CN215870767U - Low-voltage direct-current intelligent life display system - Google Patents
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Abstract
The utility model provides a low-voltage direct-current intelligent life display system, and belongs to the field of low-voltage direct current. The system adopts a box type structure and is divided into an equipment room and a low-voltage direct-current electricity utilization exhibition hall; an energy storage cabinet, a DC/DC converter cabinet, an AC/AC converter cabinet, an energy information control cabinet, an LED intelligent display screen and an air conditioner external unit are arranged in the equipment room; the outdoor unit of the air conditioner is separately provided with a small compartment for partition, and a shutter is arranged on the side of the small compartment separated from the external environment; transparent glass observation windows are reserved in the energy storage cabinet, the DC/DC converter cabinet and the AC/AC converter cabinet. The system adopts a full direct current system, covers a plurality of links of source network load storage and control, reduces unnecessary alternating current-direct current conversion processes, and greatly improves the energy utilization efficiency; the transparent glass observation window is configured, the superior characteristics of safety and high efficiency of the low-voltage direct-current system are visually presented, the whole system is green, high-efficiency, safe and reliable, the method is an innovative application demonstration of the full direct-current system facing to general users, and the method has important significance for popularization of the low-voltage direct-current system.
Description
Technical Field
The utility model relates to a low-voltage direct-current intelligent life display system, and belongs to the technical field of low-voltage direct current.
Background
With the rapid development of the energy internet technology, distributed clean energy and energy storage equipment are continuously incorporated into a power grid, intelligent electric equipment is continuously applied, and a series of electric energy direct current problems are brought to a traditional alternating current power grid. On one hand, the intermittent fluctuation characteristic of the new energy brings irregular fluctuation and impact of voltage and frequency to the system, and meanwhile, the power electronic interface injects harmonic current with complex frequency components into the system; on the other hand, when the direct current loads such as a computer, a variable frequency air conditioner, a direct current charging pile and the like use an alternating current power supply, the direct current loads are subjected to multi-stage conversion, and the loss is large. And domestic terminal household electric energy generally and uniformly adopts 220V and 50Hz alternating current, and no matter high-power electric equipment or low-power electric equipment adopts uniform alternating current power supply, certain electric shock danger can occur once the electric equipment is not used properly. Therefore, research and use of a low-voltage direct-current power distribution system are the preferred schemes for solving the problems of unstable power quality, low power conversion rate and the like of the existing alternating-current power grid.
However, low-voltage direct current is not used and demonstrated on a large scale due to the large engineering quantity of alternating current power grid transformation, low popularity of household appliances at user ends and less understanding of an alternating current and direct current system by mass residential users.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-voltage direct-current intelligent life display system which is used for overcoming the current situation that the popularization degree of the current low-voltage direct-current technology is low.
In order to achieve the aim, the utility model provides a low-voltage direct-current intelligent life display system which adopts a box type structure and comprises a box body shell, and an equipment room and a low-voltage direct-current electricity utilization display hall which are arranged in the box body shell; an energy storage cabinet, a DC/DC converter cabinet, an AC/AC converter cabinet, an energy information control cabinet, an LED intelligent display screen and an air conditioner external unit are arranged in the equipment room; the outdoor unit of the air conditioner is separately provided with a small compartment for partition, and a shutter is arranged on the side of the small compartment separated from the external environment; transparent glass observation windows are reserved in the energy storage cabinet, the DC/DC converter cabinet and the AC/AC converter cabinet.
The utility model has the beneficial effects that: the low-voltage direct-current intelligent life display system adopts a container structure and is divided into an equipment room and a low-voltage direct-current electricity utilization display hall; the system adopts a full direct current system, covers a plurality of links of source network load storage and control, reduces unnecessary alternating current-direct current conversion processes, and greatly improves the energy utilization efficiency; the transparent glass observation window is configured, so that the superior characteristics of safety and high efficiency of the low-voltage direct-current system are visually presented, the whole system is green, high-efficiency, safe and reliable, is an innovative application demonstration of the full direct-current system facing to general users, and has important significance for popularization of the low-voltage direct-current system; the outdoor unit of the air conditioner is provided with small compartments for partition, and a shutter is arranged on the side of the small compartments separated from the external environment, so that the outdoor unit of the air conditioner can ventilate and radiate; transparent glass observation windows are reserved in the energy storage cabinet, the DC/DC converter cabinet and the AC/AC converter cabinet, and therefore visitors can conveniently know the internal equipment of the cabinet body.
Further, in the above system, a DC48V electric equipment display stand, a DC375V electric equipment display stand, a DC48V socket, a DC375V socket, a mobile phone wireless charging device, and an LED display light strip are installed in the low-voltage direct-current electric exhibition hall.
The beneficial effects of doing so are: the immersive experience of the vast visitors is facilitated, and the low-voltage direct-current life is really experienced.
Further, in the system, a low-voltage direct-current distribution network is completed by adopting a multi-stage bus structure, and comprises a high-voltage power bus and a low-voltage safety bus; wherein the high-voltage power bus is arranged at a higher position in the box, and the socket of the high-voltage power bus is also arranged at a higher position in the box; the low-voltage safety bus is arranged at a lower part in the box, and the socket of the low-voltage safety bus is also arranged at the lower part; the high-voltage power bus is converted into low-voltage direct current through the DC/DC converter and is connected with the low-voltage safety bus, so that conversion between high voltage and low voltage is completed.
The beneficial effects of doing so are: the high-voltage power bus is arranged at a higher position in the box, and the socket of the high-voltage power bus is also arranged at a higher position in the box to prevent a user from getting an electric shock; the low-voltage safety bus is arranged at a lower part in the box, and the socket of the low-voltage safety bus is also arranged at the lower part so as to be connected with common low-power household appliances and effectively prevent electric shock.
Furthermore, in the system, an alternating current commercial power interface is reserved in the system and is connected with a high-voltage power bus through a bidirectional AC/DC converter.
The beneficial effects of doing so are: and an alternating current commercial power interface is reserved, so that the interaction between the system and a power grid is facilitated, and the mode of connection and disconnection is freely switched.
Further, in the above system, the high-voltage power bus adopts a DC375V voltage class, the low-voltage safety bus adopts a DC48V voltage class, and the AC mains supply is an AC220V voltage class.
Further, in the system, buses with different voltage grades are distinguished by lamp bands with different colors, the high-voltage power bus is displayed by a red lamp band, the low-voltage safety bus is displayed by a green lamp band, and the alternating-current commercial power bus is displayed by a white lamp band; and each lamp strip displays the electric energy flow direction through the indicating marks.
Further, in the system, each type of the lamp strip is formed by serially connecting a series of colored LED lamps and is powered by a DC48V bus, the DC48V bus supplies power to the lamp strip after being subjected to voltage reduction by a DC/DC converter, the output end of the DC/DC converter is connected with a lamp strip power switch, a DC375V high-voltage power bus lamp strip is connected with a DC48V low-voltage safety bus lamp strip in parallel, an AC220V alternating current commercial power bus lamp strip is connected with a direct current bus lamp strip in parallel after being serially connected by an alternating current switch, and the current flow direction is displayed through a lamp strip indication mark.
Further, in the system, the system is also provided with a box top photovoltaic power generation system, and a high-voltage power bus is connected through a photovoltaic DC/DC converter.
Further, in the system, the system is also provided with an in-box energy storage system which is used for storing surplus electric quantity generated by the photovoltaic power generation system or low-price electric energy in the low-valley period of power consumption of the power grid and releasing the surplus electric quantity in the high-peak period of the power consumption to finish peak clipping and valley filling.
Further, in the system, the in-box energy storage system comprises an energy storage control panel, a configuration current detection device is connected to an I/O port of the energy storage control panel, a configuration energy storage state LED display screen is connected to the I/O port of the energy storage control panel, the energy storage control panel calculates the SOC of the energy storage battery by combining a built-in clock and charging and discharging currents of an energy storage circuit through a current integration method, and the SOC is visually displayed in real time through the LED display screen.
Drawings
FIG. 1 is a schematic diagram of the electrical wiring topology of the low voltage DC intelligent life display system in an embodiment of the system of the present invention;
FIG. 2 is a front view of a low voltage DC smart life display system in an embodiment of the system of the present invention;
FIG. 3 is a top view of a low voltage DC smart life display system in an embodiment of the system of the present invention;
in the figure, 1 is a power grid AC-to-high voltage level DC module, 2 is an energy storage system module, 2-1 is an energy storage converter, 2-2 is an energy storage battery, 2-3 is a current sensor, 2-4 is an energy storage control panel, 2-5 is an energy storage state display screen, 3 is a photovoltaic power generation system module, 4 is a photovoltaic air conditioning module, 5 is a high voltage level DC-to-low voltage level DC module, 6 is a high power electrical connection module, 7 is a low power electrical connection module, 8-1 is a white light strip, 8-2 is a red light strip, 8-3 is a green light strip, 101 is a power grid AC connection line, 102 is a high voltage level DC bus, 103 is a zero line, 104 is a low voltage level DC bus, 105 is a zero line, QF1 is a first AC circuit breaker, QF2 to QF13 are respectively a second DC circuit breaker to a thirteenth DC circuit breaker, QF14 is a related switch of QF1, A is a photovoltaic power generation system, B is a box body shell, C is an intelligent display screen, D is an energy storage cabinet, E is an AC/DC converter cabinet, F is a DC/DC converter cabinet, G is an energy information control cabinet, H is a high-power electrical appliance, I is a low-power electrical appliance, J is a display stand, K is a high-voltage power bus lamp strip, L is a low-voltage safety bus lamp strip, M is an alternating current commercial power bus lamp strip, N is an air conditioner outdoor unit, O is a DC375V high-voltage socket, and P is a DC48V low-voltage socket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
The embodiment of the system is as follows:
the embodiment provides a low-voltage direct-current intelligent life display system which adopts a box type structure and comprises a box body shell, a device room and a low-voltage direct-current electricity utilization display hall, wherein the device room and the low-voltage direct-current electricity utilization display hall are arranged in the box body shell; an energy storage cabinet, a DC/DC converter cabinet, an AC/AC converter cabinet, an energy information control cabinet, an LED intelligent display screen and an air conditioner external unit are arranged in the equipment room; the outdoor unit of the air conditioner is provided with small compartments for partition, and a shutter is arranged on the side of the small compartments separated from the external environment, so that the outdoor unit of the air conditioner can ventilate and radiate; transparent glass observation windows are reserved in the energy storage cabinet, the DC/DC converter cabinet and the AC/AC converter cabinet, so that visitors can conveniently know the equipment in the cabinet body; the DC48V electric equipment exhibition stand, the DC375V electric equipment exhibition stand, the DC48V socket, the DC375V socket, the mobile phone wireless charging equipment, the LED display lamp strip and the like are arranged in the low-voltage direct-current electric exhibition hall, so that vast visitors can conveniently carry out immersive experience, and really experience low-voltage direct-current life; wherein the DC48V socket is directly touchable so that the user directly feels the safety of the low voltage direct current.
The low-voltage direct-current intelligent life display system adopts a multi-level bus structure to complete a low-voltage direct-current distribution network, and comprises a high-voltage power bus and a low-voltage safety bus; wherein, the high-voltage power bus is arranged at a higher position in the box, and the socket is also arranged at a higher position in the box to prevent a user from getting an electric shock; the low-voltage safety bus is arranged at the lower part in the box, and the socket of the low-voltage safety bus is also arranged at the lower part so as to be connected with common low-power household appliances and effectively prevent electric shock; the high-voltage power bus is converted into low-voltage direct current through the DC/DC converter and is connected with the low-voltage safety bus, so that conversion between high voltage and low voltage is completed. The low-voltage direct-current intelligent life display system is provided with an alternating-current commercial power interface, the alternating-current commercial power interface is connected with a high-voltage power bus through a bidirectional AC/DC converter, and the interface is set to facilitate interaction between the system and a power grid and free switching between a grid-connected mode and a grid-disconnected mode.
The high-voltage power bus adopts a DC375V voltage grade, the low-voltage safety bus adopts a DC48V voltage grade, and the alternating current commercial power is an AC220V voltage grade; buses with different voltage grades are distinguished by lamp belts with different colors, a high-voltage power bus is displayed by a red lamp belt, a low-voltage safety bus is displayed by a green lamp belt, and an alternating current commercial power bus is displayed by a white lamp belt; and each lamp strip displays the electric energy flow direction through the indicating marks. Each type of lamp strip is formed by serially connecting a series of colored LED lamps and powered by a DC48V bus, the DC48V bus supplies power to the lamp strip after being subjected to voltage reduction by a DC/DC converter, the output end of the DC/DC converter is connected with a lamp strip power switch, a DC375V high-voltage power bus lamp strip is connected with a DC48V low-voltage safety bus lamp strip in parallel, an AC220V alternating current commercial power bus lamp strip is connected with a direct current bus lamp strip after being serially connected by an alternating current switch, and the current flow direction is displayed through a lamp strip indicating mark.
This low-voltage direct current wisdom life display system still disposes roof photovoltaic power generation system, inserts high-pressure power bus through photovoltaic DC/DC converter, and transparent glass observation window is reserved to DC/DC converter cabinet, is convenient for understand inner structure.
This low pressure direct current wisdom life display system still disposes incasement energy storage system for the surplus electric quantity that the storage photovoltaic power generation system sent or the low price electric energy of electric wire netting power consumption valley period, and release in the power consumption peak period, accomplish the peak clipping and fill the valley.
This low pressure direct current wisdom life display system's energy storage cabinet sets up transparent glass and looks at the window and carry out perspective observation to internal device, and wherein, incasement energy storage system includes the energy storage control panel, and configuration current detection equipment inserts energy storage control panel IO mouth, and configuration energy storage state LED display screen inserts energy storage control panel IO mouth, and the energy storage control panel adopts the current integration method to combine built-in clock and energy storage circuit charge-discharge current to calculate energy storage battery state of charge SOC to carry out directly perceived real-time display through the LED display screen.
This low pressure direct current wisdom life display system configuration energy information switch board carries out online real time monitoring to each submodule piece of low pressure direct current distribution system, realizes solar energy power generation, energy storage, power consumption integration management, carries out the energy allotment according to system running state, sends out through transparence and stores up and uses, realizes the energy utilization intelligent management that becomes more meticulous.
The LED intelligent display screen is configured between the devices of the low-voltage direct-current intelligent life display system, the energy information management system is displayed, each link such as real-time power generation, energy storage and power utilization is monitored and fault early-warning is carried out, and a visual energy utilization feeling is given to numerous visitors.
The low-voltage dc smart life display system of the present embodiment is described in detail with reference to fig. 1:
the port of the power grid alternating current connecting line 101 is connected with one end of the power grid alternating current to high voltage level direct current module 1, and the other end of the power grid alternating current to high voltage level direct current module 1 is connected with the high voltage level direct current bus 102 to convert alternating current into direct current with higher voltage level.
The photovoltaic power generation system module 3 (namely a box top photovoltaic power generation system), the energy storage system module 2 (namely an in-box energy storage system) and the photovoltaic air conditioning module 4 are connected with the high-voltage-level direct-current bus 102, the high-power electrical appliance connecting module 6 is connected with the high-voltage-level direct-current bus 102, and the high-power electrical appliance connecting module 6 comprises a refrigerator interface, a washing machine interface, an induction cooker interface and other high-power electrical appliance reserved interfaces.
The high-voltage-class dc bus 102 is connected to the low-voltage-class dc bus 104 through the high-voltage-class dc-to-low-voltage-class dc module 5, and converts the dc power of a higher voltage class into the dc power of a lower voltage class.
The low-power electrical appliance connecting module 7 is connected with the low-voltage-level direct-current bus 104, wherein the low-power electrical appliance connecting module 7 comprises an LED lamp interface, an electric fan interface and other low-power electrical appliance reserved interfaces.
The energy storage system module 2 comprises a third breaker QF3, an energy storage converter 2-1, an energy storage battery 2-2, a current sensor 2-3, an energy storage control board 2-4 and an energy storage state display screen 2-5. The current sensor 2-3 is connected in an energy storage circuit connected with the energy storage battery 2-2 and the energy storage converter 2-1, an I/O interface of the energy storage control panel 2-4 is respectively connected with the current sensor 2-3 and the energy storage state display screen 2-5, the charge state of the energy storage battery 2-2 is calculated through a current integration method by combining the collected current value and a built-in clock, and the charge state is visually displayed on the energy storage state display screen 2-5.
One end of the white light strip 8-1 is connected with an associated switch QF14, the other end of the white light strip is connected with a zero line 105, and an associated switch QF14 is connected with a low-voltage level direct current bus 104; one end of the red light strip 8-2 is connected with a low-voltage-level direct-current bus 104, and the other end is connected with a zero line 105; one end of the green lamp strip 8-3 is connected to a low-voltage-level direct-current bus 104, and the other end is connected to a zero line 105.
The layout of the low-voltage dc smart life display system in this embodiment is shown in fig. 2 and 3:
photovoltaic power generation system A is laid on the top of box shell B, and whole box divide into equipment room and low pressure direct current power consumption show room.
Energy storage D, AC/DC converter cabinet E, DC/DC converter cabinet F, energy information switch board G all place in the equipment room, and outer machine N of air conditioner arranges in the booth alone, and wisdom display screen C hangs on the right side of booth on the top for wisdom can the platform show with the ability.
The high-power electrical appliance H, the low-power electrical appliance I and the exhibition stand J, DC375V high-voltage socket O, DC48V low-voltage socket P are uniformly distributed in the low-voltage direct current energy-using exhibition hall, wherein the high-power electrical appliance H and the low-power electrical appliance I are positioned on the exhibition stand J, and the DC375V high-voltage socket O and the DC48V low-voltage socket P are grouped in pairs and are distributed in six groups.
High-voltage power bus-bar lamp area K is located the show room upside, and low pressure safety bus-bar lamp area L is located show room downside, exchanges near commercial power interface that commercial power bus-bar lamp area M is located the equipment room, and all lamp areas show the current flow direction through different colours and bright and dark condition, distinguish the voltage class.
In summary, the low-voltage dc smart life display system of the embodiment adopts a container structure, and mainly includes a roof photovoltaic system, an in-tank energy storage system, an energy storage cabinet, a converter cabinet, a pure dc household appliance, display lamp strips with different voltage levels, and a smart information control system, wherein a distribution network system is formed among the systems through multi-level buses, and the low-voltage dc system is visually displayed through auxiliary devices such as transparent glass viewing windows and lamp strips; the low-voltage direct-current intelligent life display system adopts a full direct-current system, covers a plurality of links of source network load storage and control, reduces unnecessary alternating current-direct current conversion processes, and greatly improves the energy utilization efficiency; a multi-level bus structure is arranged and distributed at high and low positions, so that the electric shock risk is reduced, and the electricity safety is improved; the transparent glass viewing window, the intelligent display screen and the lamp belts with different colors are configured, so that the safety and high-efficiency superior characteristics of the low-voltage direct-current system are visually presented; the whole system is green, efficient, safe and reliable, is an innovative application demonstration of the full direct current system facing to the vast common users, and has important significance for the popularization of the low-voltage direct current system.
The low-voltage direct-current intelligent life display system of the embodiment also has the following advantages:
the complete low-voltage direct-current intelligent life display system is provided, the life of a low-voltage direct-current power distribution terminal user is displayed comprehensively from source network load storage and control, the characteristics of safety and high efficiency of a low-voltage direct-current system are visually presented, a certain demonstration guiding effect is played for the popularization of low-voltage direct current at the user side, and a terminal application scene of safety and high efficiency of low-voltage direct-current power distribution is displayed for general users.
The low-voltage direct-current intelligent life display system for the vast terminal non-electric power professional users is designed, a complete low-voltage direct-current power distribution and utilization structure comprising a plurality of source network load storage and control processes is constructed, the characteristics of safety, reliability, environmental friendliness and high electric energy utilization efficiency of the low-voltage direct-current system are visually presented, and the low-voltage direct-current intelligent life display system has certain demonstration and popularization significance; the system relates to a plurality of power distribution and utilization links controlled by source network load storage, is intelligent and efficient, has visual presentation mode and strong interactive experience sense, and is an exemplary low-voltage direct-current display system.
A low-voltage direct-current intelligent life display system is designed. The box top photovoltaic power generation system can effectively utilize renewable energy sources to reduce power purchasing of a power grid; the energy storage system carries out peak clipping and valley filling and utilizes the peak-valley difference price to consume electric energy, so that the electricity utilization cost can be effectively reduced; the system adopts full direct current distribution power utilization, is efficient and economical, adds display elements, improves the interaction sense, has certain demonstration popularization significance, and improves the public acceptance of the low-voltage direct current system.
Finally, it should be noted that the above examples are only for illustrating the technical embodiments of the present invention and not for limiting, and those skilled in the art should understand that the technical solution of the present invention can be modified or substituted equivalently without departing from the spirit and scope of the technical solution of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A low-voltage direct-current intelligent life display system is characterized by adopting a box-type structure and comprising a box body shell, a device room and a low-voltage direct-current electricity utilization display hall, wherein the device room and the low-voltage direct-current electricity utilization display hall are arranged in the box body shell; an energy storage cabinet, a DC/DC converter cabinet, an AC/AC converter cabinet, an energy information control cabinet, an LED intelligent display screen and an air conditioner external unit are arranged in the equipment room; the outdoor unit of the air conditioner is separately provided with a small compartment for partition, and a shutter is arranged on the side of the small compartment separated from the external environment; transparent glass observation windows are reserved in the energy storage cabinet, the DC/DC converter cabinet and the AC/AC converter cabinet.
2. The low-voltage direct-current intelligent life display system according to claim 1, wherein a DC48V electric equipment exhibition stand, a DC375V electric equipment exhibition stand, a DC48V socket, a DC375V socket, a mobile phone wireless charging device and an LED display light strip are arranged in the low-voltage direct-current electric exhibition hall.
3. The low-voltage direct-current intelligent life display system according to claim 1 or 2, wherein the system adopts a multi-stage bus structure to complete a low-voltage direct-current distribution network, and comprises a high-voltage power bus and a low-voltage safety bus; wherein the high-voltage power bus is arranged at a higher position in the box, and the socket of the high-voltage power bus is also arranged at a higher position in the box; the low-voltage safety bus is arranged at a lower part in the box, and the socket of the low-voltage safety bus is also arranged at the lower part; the high-voltage power bus is converted into low-voltage direct current through the DC/DC converter and is connected with the low-voltage safety bus, so that conversion between high voltage and low voltage is completed.
4. The low-voltage DC intelligent life display system of claim 3, wherein the system is provided with an AC mains interface and is connected to the high-voltage power bus via a bidirectional AC/DC converter.
5. The low-voltage direct-current intelligent life display system according to claim 4, wherein the high-voltage power bus adopts a DC375V voltage level, the low-voltage safety bus adopts a DC48V voltage level, and the alternating-current commercial power is an AC220V voltage level.
6. The low-voltage direct-current smart life display system according to claim 5, wherein buses with different voltage levels are distinguished by using lamp strips with different colors, the high-voltage power bus is displayed by using a red lamp strip, the low-voltage safety bus is displayed by using a green lamp strip, and an alternating-current commercial power bus is displayed by using a white lamp strip; and each lamp strip displays the electric energy flow direction through the indicating marks.
7. The low-voltage direct-current smart life display system according to claim 6, wherein each type of light strip is formed by serially connecting a series of colored LED lamps and is powered by a DC48V bus, the DC48V bus supplies power to the light strip after being subjected to voltage reduction by a DC/DC converter, the output end of the DC/DC converter is connected with a light strip power switch, a DC375V high-voltage power bus light strip is connected in parallel with a DC48V low-voltage safety bus light strip, an AC220V alternating current commercial power bus light strip is connected in series by an alternating current switch and then connected in parallel with the direct current bus light strip, and the current flow direction is displayed through a light strip indication mark.
8. The low-voltage direct-current smart life display system of claim 7, wherein the system is further configured with a roof photovoltaic power generation system, and is connected to the high-voltage power bus through a photovoltaic DC/DC converter.
9. The low-voltage DC intelligent life display system as claimed in claim 8, wherein the system is further configured with an in-box energy storage system for storing surplus electricity generated by the photovoltaic power generation system or low-price electric energy in the valley period of power consumption of the power grid, and releasing the surplus electricity in the peak period of power consumption to complete peak clipping and valley filling.
10. The low-voltage direct-current intelligent life display system according to claim 9, wherein the in-box energy storage system comprises an energy storage control panel, a current detection device is configured to be connected to an I/O port of the energy storage control panel, an energy storage state LED display screen is configured to be connected to the I/O port of the energy storage control panel, the energy storage control panel calculates the SOC of the energy storage battery by combining a built-in clock and charging and discharging currents of an energy storage circuit through a current integration method, and the SOC is visually displayed in real time through the LED display screen.
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| CN215870767U true CN215870767U (en) | 2022-02-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113162017A (en) * | 2020-09-30 | 2021-07-23 | 国网河北省电力有限公司雄安新区供电公司 | Low-voltage direct-current intelligent life display system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113162017A (en) * | 2020-09-30 | 2021-07-23 | 国网河北省电力有限公司雄安新区供电公司 | Low-voltage direct-current intelligent life display system |
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