CN219779843U - power supply system - Google Patents
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- CN219779843U CN219779843U CN202320189976.2U CN202320189976U CN219779843U CN 219779843 U CN219779843 U CN 219779843U CN 202320189976 U CN202320189976 U CN 202320189976U CN 219779843 U CN219779843 U CN 219779843U
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- 238000010248 power generation Methods 0.000 claims abstract description 74
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- 238000005286 illumination Methods 0.000 claims description 12
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- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
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- 238000005265 energy consumption Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
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- 230000033228 biological regulation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Abstract
The utility model relates to a power supply system, which relates to the technical field of power supply, wherein a first input end of a power supply switching device of the system is connected with a photovoltaic power generation device, a second input end of the power supply switching device is connected with a power grid, and a first output end of the power supply switching device is connected with a power supply input end of fire emergency equipment; the central controller is connected with the control end of the power supply switching device; the central controller sends a first control signal to control the power supply switching device to be switched to the first input end, so that the photovoltaic power generation device is communicated with the fire-fighting emergency equipment, and the central controller sends a second control signal to control the power supply switching device to be switched to the second input end, so that the power grid is communicated with the fire-fighting emergency equipment, the purpose that the photovoltaic power generation device and the power grid alternately supply power for the fire-fighting emergency equipment is achieved, and the problems of energy waste and potential safety hazards caused by independent power grid power supply or photovoltaic power generation device power supply are solved.
Description
Technical Field
The utility model relates to the technical field of power supply, in particular to a power supply system.
Background
Along with the national requirements of low-carbon buildings and zero-carbon buildings, the requirements on renewable energy sources are higher and higher, but the problems of rational application, reasonable distribution and management control of the corresponding renewable energy sources in the buildings are increasingly remarkable. At present, the increasing shortage of energy sources is achieved, renewable energy sources are increasingly blended into the production and life of people, and on the premise of ensuring that people live to the renewable energy source demand, the purposes of low investment cost, energy conservation, environmental protection, high efficiency, stable system, safety, reliability, simple management and control and the like are achieved, so that the renewable energy source energy generation system becomes an important topic at present. Along with the rapid development of photovoltaic power generation technology, intelligent monitoring technology, computer communication and safety management technology, more and more attention is paid to how to realize safe and reliable and simple management control while realizing low energy consumption, zero energy consumption and even negative energy consumption of a building.
The building fire emergency equipment and the lighting control management system powered by the photovoltaic power generation device have the advantages of energy conservation, economy, safety, high reliability and the like, and are key technologies for guaranteeing good operation of the building fire emergency equipment and the lighting control management system. However, when the photovoltaic power generation device is singly used in a building power supply system, for example, in overcast and rainy days, the photovoltaic power generation cannot provide sufficient electric energy for the fire-fighting emergency equipment, and meanwhile, when the fire disaster happens under the condition that the electric energy of the self-contained power storage device of the fire-fighting emergency equipment is insufficient, the fire-fighting emergency equipment cannot be normally used, and huge risks are brought to safe production and life; if the utility network is used alone to supply power, in order to ensure the normal use of the fire emergency equipment, the power supply transformer also needs to always keep the full load requirement under the condition of fire under the condition of non-fire, so that huge waste of energy is caused.
Disclosure of Invention
Therefore, the power supply system based on the building fire emergency equipment and the lighting equipment is beneficial to solving the problems of energy waste and potential safety hazards caused by independent power grid power supply or photovoltaic power generation device power supply at present.
The scheme of the utility model is as follows:
in a first aspect, a power supply system is provided, including a photovoltaic power generation device, a central controller, fire emergency equipment, and a power switching device;
the first input end of the power supply switching device is connected with the photovoltaic power generation device, the second input end of the power supply switching device is connected with the power grid, and the first output end of the power supply switching device is connected with the power supply input end of the fire emergency equipment;
the central controller is connected with the control end of the power supply switching device;
when the voltage of the photovoltaic power generation device is greater than or equal to the voltage of the fire emergency equipment, the central controller sends a first control signal to control the power supply switching device to be switched to the first input end, so that the photovoltaic power generation device is communicated with the fire emergency equipment;
when the voltage of the photovoltaic power generation device is smaller than that of the fire emergency equipment, the central controller sends out a second control signal to control the power switching device to switch to the second input end, so that the power grid is communicated with the fire emergency equipment.
Further, the photovoltaic power generation device comprises a photovoltaic power generation assembly and a direct current power distribution control cabinet;
the photovoltaic power generation assembly is connected with the first input end of the power supply switching device through the direct-current power distribution control cabinet.
Further, the system also comprises a storage battery energy storage cabinet;
the input end of the storage battery energy storage cabinet is connected with the second output end of the power supply switching device;
the output end of the storage battery energy storage cabinet is connected with the power supply input end of the normal illumination distribution box;
the power supply input end of the normal illumination distribution box is connected with the first output end of the power supply switching device.
Further, the system also comprises an inversion control cabinet;
the second output end of the power supply switching device is connected to the power grid through the inversion control cabinet.
Further, the fire emergency equipment comprises a fire emergency equipment emergency power cabinet, a fire emergency lighting distribution box and a fire emergency lighting special emergency power cabinet;
the first output end of the power supply switching device is connected with the power supply input end of the fire-fighting equipment emergency power supply cabinet; the first output end of the power supply switching device is connected with the power supply input end of the fire emergency lighting distribution box; the first output end of the power supply switching device is connected with the power supply input end of the emergency power supply cabinet special for fire emergency lighting;
the output end of the fire-fighting emergency equipment emergency power supply cabinet is connected with the power supply input end of the fire-fighting power equipment;
a first power distribution output end of the fire emergency lighting distribution box and a special emergency power supply cabinet for fire emergency lighting;
the second power distribution output end of the fire emergency lighting distribution box is connected with the input end of the self-powered evacuation marker lamp,
the second power distribution output end of the fire emergency lighting distribution box is connected with the input end of the self-powered evacuation lighting lamp;
the power supply output end of the emergency power supply cabinet special for fire emergency lighting and the input end of the centralized power supply evacuation marker lamp are connected;
the power supply output end of the emergency power supply cabinet special for fire emergency lighting and the input end of the centralized power supply evacuation lighting lamp are connected.
Further, the system also includes an emergency lighting controller;
the output end of the emergency lighting controller is respectively connected with the control end of the fire-fighting emergency equipment emergency power cabinet, the control end of the fire-fighting emergency lighting distribution box, the control end of the special emergency power cabinet for fire-fighting emergency lighting, the control end of the self-powered evacuation marker lamp, the control end of the self-powered evacuation illuminating lamp, the control end of the centralized power evacuation marker lamp and the control end of the centralized power evacuation illuminating lamp.
The technical scheme provided by the utility model can comprise the following beneficial effects:
the system comprises a photovoltaic power generation device, a central controller, fire emergency equipment and a power supply switching device, wherein a first input end of the power supply switching device is connected with the photovoltaic power generation device, a second input end of the power supply switching device is connected with a power grid, a first output end of the power supply switching device is connected with the fire emergency equipment, the central controller is connected with a control end of the power supply switching device, the system controls the power supply switching device to switch through the central controller, so that the photovoltaic power generation device and the power grid alternately supply power to the fire emergency equipment, and the photovoltaic power generation device is preferentially selected, thus the power supply pressure of the power grid can be reduced, and the aim of saving energy is fulfilled; when the photovoltaic power generation device cannot meet the power supply requirement, namely, the voltage of the photovoltaic power generation device is smaller than that of the fire-fighting emergency equipment, the central controller sends a second control signal to control the second input end of the power supply switching device to be communicated with the power grid, so that the power grid supplies power to the fire-fighting emergency equipment, and normal use of the fire-fighting emergency equipment is ensured; when the voltage of the photovoltaic power generation device is greater than or equal to the voltage of the fire emergency equipment, the central controller controls to send out a first control signal, and the first input end of the power supply switching device is controlled to be communicated with the photovoltaic power generation device, so that the photovoltaic power generation device supplies power to the fire emergency equipment, the load of a power grid power supply transformer is reduced, and electric energy is saved, so that the electric energy is fully utilized, and potential safety hazards caused by incapability of normal use of the fire emergency equipment are solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
FIG. 1 is a block diagram schematic diagram of a power supply system, shown in accordance with an exemplary embodiment;
FIG. 2 is a block diagram schematic diagram of a power supply system for a photovoltaic power generation device and a storage tank, according to an exemplary embodiment;
fig. 3 is a block diagram schematic diagram illustrating a power supply system of a photovoltaic power generation device according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with aspects of the utility model as detailed in the accompanying claims.
Example 1
Referring to fig. 1, fig. 1 is a schematic block diagram of a power supply system according to an exemplary embodiment, as shown in fig. 1, the power supply system includes a photovoltaic power generation device 1, a central controller 2, a fire emergency device 3 and a power supply switching device 4, wherein a first input end of the power supply switching device 4 is connected with the photovoltaic power generation device 1, a second input end of the power supply switching device 4 is connected with a power grid 5, a first output end of the power supply switching device 4 is connected with a power supply input end of the fire emergency device 3, it is ensured that the power grid 5 or the photovoltaic power generation device 1 can be communicated with the fire emergency device 3 through the power supply switching device 4, continuous power supply to the fire emergency device 3 is ensured, and normal operation of the fire emergency device 3 is ensured.
The central controller 2 is connected with the control end of the power supply switching device 4, and the power supply switching device 4 is controlled to realize switching by sending different control signals through the central controller 2, so that the dual power supply switching of the power grid or the photovoltaic power generation device 1 is realized, and the electric energy is reasonably distributed.
Specifically, when the voltage of the photovoltaic power generation device 1 is greater than or equal to the voltage of the fire-fighting emergency equipment 3, the central controller 2 sends a first control signal to control the power supply switching device 4 to switch to the first input end, so that the photovoltaic power generation device 1 is communicated with the fire-fighting emergency equipment 3, and the photovoltaic power generation device 1 supplies power to the fire-fighting emergency equipment 3, so that the load of a power supply transformer of the power grid 5 is reduced, and electric energy is saved.
Under the condition that the photovoltaic power generation device 1 can not meet the power supply demand, for example, continuous overcast and rainy weather is met, namely when the voltage of the photovoltaic power generation device 1 is smaller than the voltage of the fire emergency equipment 3, the central controller 2 sends a second control signal to control the power supply switching device 4 to switch to the second input end, so that the power grid 5 is communicated with the fire emergency equipment 3, and at the moment, the power grid 5 supplies power to the fire emergency equipment 3, so that the power supply demand of the fire emergency equipment 3 is ensured, normal use of the fire emergency equipment 3 is also ensured even if the fire emergency is met, and the potential safety hazard is solved.
Specifically, the central controller 2 obtains the voltage of the photovoltaic power generation device 1 and the voltage of the fire emergency equipment 3 through the detection device, and controls the power supply switching device 4 according to the voltage of the photovoltaic power generation device 1 and the fire emergency equipment 3.
Referring to fig. 2, fig. 2 is a schematic block diagram of a power supply system of a photovoltaic power generation device and an electric storage and energy storage cabinet according to an exemplary embodiment, as shown in fig. 2, a second output end of a power supply switching device 4 is connected to an input end of an electric storage and energy storage cabinet 6, an output end of the electric storage and energy storage cabinet 6 is connected to an input end of a normal illumination distribution box 7, and when the power provided by the photovoltaic power generation device 1 meets the fire emergency device 3, the residual power is stored in the electric storage and energy storage cabinet 6. The photovoltaic power generation device 1 comprises a photovoltaic power generation assembly 11 and a direct current power distribution control cabinet 12, and the direct current power distribution control cabinet 12 automatically adjusts output voltage of electric energy provided by the photovoltaic power generation device 1.
Specifically, the storage and energy storage cabinet 6 is provided with a plurality of groups of storage and energy storage devices, and can supply power to the normal illumination distribution box 7 under the condition that no electric energy is provided by the photovoltaic power generation device 1. The storage battery energy storage device has a communication function of energy emergency dispatching, and the energy emergency dispatching can be carried out among a plurality of groups of storage battery energy storage devices.
As shown in fig. 2, the electric energy provided by the photovoltaic power generation device 1 is preferentially selected to supply power to the normal illumination distribution box 7 and the fire emergency equipment 3, when the electric energy provided by the photovoltaic power generation device 1 cannot meet the requirement, the electric energy is switched to the electric network 5 to supply power to the fire emergency equipment 3, at this time, the electric network 5 is communicated with the fire emergency equipment 3 through the first output end of the source switching device 4, and is simultaneously switched to the electric storage energy storage cabinet 6 to supply power to the normal illumination distribution box 7, when the electric energy of the electric storage energy storage cabinet 6 is exhausted, the electric storage energy storage cabinet 6 is switched to the electric network 5 to supply power to the normal illumination distribution box 7, at this time, the electric network 5 is communicated with the normal illumination distribution box 7 through the second output end of the source switching device 4, and the electric network 5 is switched to supply power to the normal illumination distribution box 7 through the electric storage energy storage cabinet 6.
Referring to fig. 3, fig. 3 is a schematic block diagram of a power supply system of a photovoltaic power generation device according to an exemplary embodiment, where, in a case where electric energy provided by the photovoltaic power generation device 1 shown in fig. 3 meets fire emergency equipment 3, residual electric energy may be selectively connected to a power grid through a second output end of the power switching device 4 to supply power to the power grid 5.
Specifically, the photovoltaic power generation assembly 11 electrically connects the DC power to the DC power distribution control cabinet 12, and reaches a set voltage value (DC 110V-DC 1000V) (Direct Current, abbreviated as DC) through automatic voltage regulation of the DC power distribution control cabinet 12, and electrically connects the second output end of the power switching device 4 to the first port of the inverter control cabinet 9, and the second port of the inverter control cabinet 9 is electrically connected to the power grid 5 through the bidirectional smart meter 10, and the third port of the inverter control cabinet 9 is electrically connected to the normal lighting distribution box 7, where the inverter control cabinet 9 itself also includes a bidirectional smart meter.
When no photovoltaic power generation device generates power, the power grid 5 continuously supplies power to the normal lighting lamp through the electric connection between the bidirectional intelligent ammeter 10 and the inverter control cabinet 9 and the normal lighting distribution box 7, so that the production and life requirements of people are guaranteed.
Referring to fig. 2 and 3, the fire emergency device 3 as shown in fig. 2 and 3 includes a fire emergency power cabinet 31, a fire emergency power device 311, a fire emergency lighting distribution box 32, a self-powered evacuation marker 321, a self-powered evacuation lamp 322, a fire emergency lighting special emergency power cabinet 33, a centralized power evacuation marker 331 and a centralized power evacuation lamp 332, wherein the fire emergency lighting distribution box 32, the self-powered evacuation marker 321, the self-powered evacuation lamp 322, the fire emergency lighting special emergency power cabinet 33, the centralized power evacuation marker 331 and the centralized power evacuation lamp 332 belong to a fire emergency lighting and evacuation indication system.
The fire-fighting equipment emergency power cabinet 31 is used for providing the electric energy produced by the photovoltaic power generation device 1 or the electric energy of the power grid 5 to fire-fighting equipment (such as a fire-fighting water pump, a fire-fighting smoke prevention fan); the power supply input end of the fire-fighting equipment emergency power supply cabinet 31 is connected with the first output end of the power supply switching device 4, and in a non-fire state, the electric energy generated by the photovoltaic power generation device 1 or the electric energy of the power grid 5 is communicated with the fire-fighting equipment emergency power supply cabinet 31 through the power supply switching device 4, and the electric energy generated by the photovoltaic power generation device 1 or the electric energy of the power grid 5 charges an energy storage battery in the fire-fighting equipment emergency power supply cabinet 31 so as to ensure that enough power can be provided for fire-fighting equipment in the fire state.
The output end of the fire-fighting equipment emergency power supply cabinet 31 is connected with the input end of the fire-fighting power equipment 311.
As shown in fig. 2, the fire-fighting power equipment 311 does not work in a non-fire state, and the fire-fighting power equipment 311 must be ensured to work normally in a fire state, but the fire-fighting power equipment 311 has relatively high power, and must be powered by a fire-fighting power supply according to the national standard requirement, so that the energy generated by the photovoltaic power generation device 1 or the energy of the power grid 5 charges the energy storage battery in the fire-fighting equipment emergency power cabinet 31 in the non-fire state, and the direct-current energy is reversely transformed into voltage-regulating and filtering to be alternating-current energy through the inverter to power the fire-fighting power equipment 311 in the fire state.
As shown in fig. 3, the fire-fighting power equipment 311 is charged by the energy generated by the photovoltaic power generation device 1 or the energy of the power grid 5 in a non-fire state, and the fire-fighting power equipment 311 is powered by the power grid 5 in a fire state, and the fire-fighting power equipment 311 is powered by the energy of the energy storage battery in the fire-fighting power equipment emergency power cabinet 31 when the power grid 15 cannot be powered, and the dc energy is inverse-transformed, voltage-regulated and filtered into ac energy through the inverter to power the fire-fighting power equipment 311.
As shown in fig. 2 and 3, the fire emergency lighting distribution box 32 is configured to provide the electric energy generated by the photovoltaic power generation device 1 or the electric energy of the electric network 5 to the fire emergency lighting and evacuation indication system, and the power supply input end of the fire emergency lighting distribution box 32 is connected to the first output end of the power switching device 4, so that the photovoltaic power generation device 1 or the electric network 5 is communicated with the fire emergency lighting distribution box 32 through the power switching device 4, so that the electric energy generated by the photovoltaic power generation device 1 or the electric energy of the electric network 5 is provided to the fire emergency lighting distribution box 32, and the input power of the fire emergency lighting distribution box 32 can adopt direct current power supply or alternating current power supply.
As shown in fig. 2 and 3, a first power distribution output of the fire emergency lighting power distribution box 32 is connected to an input of a fire emergency lighting dedicated emergency power supply cabinet 33. In the non-fire state, the energy produced by the photovoltaic power generation device 1 or the energy of the power grid 5 charges the energy storage battery pack of the emergency power cabinet 33 special for fire emergency lighting through the fire emergency lighting distribution box 32, so as to ensure that the fire emergency lighting and evacuation indication system has enough power in the fire state.
As shown in fig. 2 and 3, the second power distribution output end of the fire emergency lighting power distribution box 32 is connected to the input end of the self-powered evacuation marker lamp 321, and the second power distribution output end of the fire emergency lighting power distribution box 32 is connected to the input end of the self-powered evacuation illuminating lamp 322.
The power of the self-powered evacuation sign lamp 321 is particularly small and is generally smaller than or equal to 1W, most of the self-powered evacuation lamp 322 is not lighted or is lighted by induction in a non-fire state, but in the fire state, all the lamps must be lighted, the power of the last stage of power supply source is required to be supplied by a storage battery power supply according to the national standard, so that the electric energy produced by the photovoltaic power generation device 1 or the electric energy of the electric network 5 is supplied to the self-powered evacuation sign lamp 321 and the self-powered evacuation lamp 322 by the storage battery pack in the non-fire state, the electric energy produced by the photovoltaic power generation device 1 or the electric network 5 is supplied to the self-powered evacuation sign lamp 321 and the self-powered evacuation lamp 322 by the fire emergency illumination distribution box 32 in the fire state, when the electric energy produced by the photovoltaic power generation device 1 or the electric network 5 cannot meet the power supply requirements of the self-powered evacuation sign lamp 321 and the self-powered evacuation lamp 322, the storage battery pack and the self-powered evacuation lamp 322 are respectively charged by the self-powered evacuation sign lamp 321 and the self-powered evacuation lamp 322, the whole energy-powered evacuation lamp is reduced by the energy-saving power supply system, and the energy-saving power supply efficiency of the power supply system is further improved, and the energy-saving performance of the whole system is realized, and the energy-saving performance is realized by the energy is further realized by the energy-saving system and the whole system and the energy-saving system.
The power generated by the photovoltaic power generation device 1 or the power of the power grid 5 is switched to the power supply of the self-powered evacuation marker lamp 321 and the self-powered evacuation lighting lamp 322 by the self-powered storage battery pack, and the power supply is realized by the microprocessor control of the self-powered evacuation marker lamp 321 and the self-powered evacuation lighting lamp 322.
As shown in fig. 2 and 3, the power supply output end of the emergency power cabinet 33 special for fire emergency lighting and the input end of the centralized power evacuation marker lamp 331 are connected; the power supply output end of the emergency power supply cabinet 33 and the input end of the centralized power supply evacuation lighting lamp 332 for fire emergency lighting are connected.
The power of the centralized power evacuation lamp 331 is particularly small, generally less than or equal to 1W, most of the lamps are not lighted or are lighted by the electric energy generated by the photovoltaic power generation device 1 in the emergency power cabinet 33 or the electric energy induction of the power grid 5 in the emergency power cabinet 33, the power of the lamps is relatively small, all the lamps must be lighted in the fire state, and meanwhile, the last-stage power supply requirement according to the national standard must be supplied by a storage battery power supply, so that the electric energy generated by the photovoltaic power generation device 1 or the electric energy of the power grid 5 in the non-fire state charges the energy storage battery pack of the emergency power cabinet 33 through the emergency power distribution box 32, and the emergency power cabinet 33 supplies power to the emergency power evacuation lamp 331 and the emergency power evacuation lamp 332.
The self-powered evacuation marker 321 and the centralized power evacuation marker 331 have help seeking and positioning functions; the self-powered evacuation lights 322 and the centralized power evacuation lights 332 have video monitoring and automatic positioning functions.
As shown in fig. 2 and 3, the output end of the emergency lighting controller 8 is connected to the control end of the Fire equipment emergency power cabinet 31, the control end of the Fire emergency lighting distribution box 32, the control end of the Fire emergency lighting emergency power cabinet 33, the control end of the self-powered evacuation marker 321, the control end of the self-powered evacuation lamp 322, the control end of the centralized power evacuation marker 331, and the control end of the centralized power evacuation lamp 332, and the input end of the emergency lighting controller 8 is connected to a Fire alarm signal FAS (Fire alarm system) system controller. The working state, fault state, storage battery state, management control state and collected video picture and other data information of the equipment are transmitted to the emergency lighting controller 8 and are inquired, displayed or operated on a display screen of the emergency lighting controller, the whole fire emergency lighting system and the fire emergency power system are centrally managed and monitored in real time, and the system is in an intact state at the early stage of the fire state, and is safer and more reliable, scientific and efficient, more energy-saving and environment-friendly.
The emergency lighting controller 8 can display real-time environmental conditions, personnel distribution conditions in the evacuation channel, the evacuation path and the evacuation area collected by the self-powered evacuation lighting lamp 322 and the centralized power evacuation lighting lamp 332 with the video monitoring function and the positioning function through the real-time electronic map;
the emergency lighting controller 8 can display the distribution situation of the evacuees and rescue workers in the evacuation path and the evacuation area through the self-powered evacuation marker lamp 321 and the centralized power evacuation marker lamp 331 with the help seeking and positioning functions through the system self-powered electrified map.
The emergency lighting controller 8 comprises an uninterruptible power supply, an industrial computer, a liquid crystal display (CRT), a router (communication gateway), a man-machine interface and the like.
Once the fire alarm signal appears, after the emergency lighting controller 8 receives the alarm signal sent by the FAS, the equipment such as the fire-fighting equipment emergency power cabinet 31, the fire-fighting emergency lighting distribution box 32, the fire-fighting emergency lighting special emergency power cabinet 33, the self-powered evacuation marker 321, the self-powered evacuation illuminating lamp 322, the centralized power evacuation marker 331 and the centralized power evacuation illuminating lamp 332 are controlled to enter the working state of the fire situation.
The emergency lighting controller 12, which monitors the operating status, fault status, battery status, charge-discharge status, management control status, and voltage and current parameters of the fire equipment emergency power cabinet 31, fire emergency lighting distribution box 32, fire emergency lighting special emergency power cabinet 33, adopts the Modbus standard communication protocol, and all of the above equipment is electrically connected with the Modbus expansion module of the high-speed router in the emergency lighting controller 8 by the shielded twisted pair wire through the CAN bus.
The fire emergency lighting distribution box 32, the special emergency power cabinet 33 for fire emergency lighting monitor the working state, the fault state, the storage battery state, the charge and discharge state, the management control state and the routers of the voltage and current parameters of the self-powered evacuation marker lamp 321, the self-powered evacuation lamp 322, the centralized power evacuation marker lamp 331 and the centralized power evacuation lamp 332 by adopting Modbus standard communication protocol, and the equipment is electrically connected with the routers through the LONWORKS bus.
The components are electrically connected.
It is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.
It should be noted that in the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means at least two.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (2)
1. The power supply system is characterized by comprising a photovoltaic power generation device, a central controller, fire emergency equipment and a power supply switching device;
the first input end of the power supply switching device is connected with the photovoltaic power generation device, the second input end of the power supply switching device is connected with a power grid, and the first output end of the power supply switching device is connected with the power supply input end of the fire emergency equipment;
the central controller is connected with the control end of the power supply switching device;
when the voltage of the photovoltaic power generation device is greater than or equal to the voltage of the fire emergency equipment, the central controller sends a first control signal to control the power switching device to switch to a first input end so as to enable the photovoltaic power generation device to be communicated with the fire emergency equipment;
when the voltage of the photovoltaic power generation device is smaller than the voltage of the fire emergency equipment, the central controller sends a second control signal to control the power switching device to be switched to a second input end so as to enable a power grid to be communicated with the fire emergency equipment; the photovoltaic power generation device comprises a photovoltaic power generation assembly and a direct current power distribution control cabinet;
the photovoltaic power generation assembly is connected with the first input end of the power supply switching device through the direct-current power distribution control cabinet;
the system also comprises a storage battery energy storage cabinet;
the input end of the storage battery energy storage cabinet is connected with the second output end of the power supply switching device;
the output end of the storage battery energy storage cabinet is connected with the power supply input end of the normal illumination distribution box;
the power supply input end of the normal illumination distribution box is connected with the first output end of the power supply switching device;
the system also comprises an inversion control cabinet;
the second output end of the power supply switching device is connected to a power grid through the inversion control cabinet;
the fire-fighting emergency equipment comprises a fire-fighting equipment emergency power cabinet, a fire-fighting emergency lighting distribution box and a fire-fighting emergency lighting special emergency power cabinet;
the first output end of the power supply switching device is connected with the power supply input end of the fire-fighting equipment emergency power supply cabinet; the first output end of the power supply switching device is connected with the power supply input end of the fire emergency lighting distribution box; the first output end of the power supply switching device is connected with the power supply input end of the emergency power supply cabinet special for fire emergency lighting;
the output end of the fire-fighting equipment emergency power supply cabinet is connected with the power supply input end of the fire-fighting power equipment;
the first power distribution output end of the fire emergency lighting distribution box is connected with the input end of the special emergency power supply cabinet for fire emergency lighting;
the second power distribution output end of the fire emergency lighting distribution box is connected with the input end of the self-powered evacuation marker lamp;
the second power distribution output end of the fire emergency lighting distribution box is connected with the input end of the self-powered evacuation lighting lamp;
the power supply output end of the emergency power supply cabinet special for fire emergency lighting and the input end of the centralized power supply evacuation marker lamp are connected;
the power supply output end of the emergency power supply cabinet special for fire emergency lighting and the input end of the centralized power supply evacuation lighting lamp are connected.
2. The system of claim 1, further comprising an emergency lighting controller;
the output end of the emergency lighting controller is respectively connected with the control end of the fire-fighting emergency equipment emergency power cabinet, the control end of the fire-fighting emergency lighting distribution box, the control end of the fire-fighting emergency lighting special emergency power cabinet, the control end of the self-powered evacuation marker lamp, the control end of the self-powered evacuation illuminating lamp, the control end of the centralized power evacuation marker lamp and the control end of the centralized power evacuation illuminating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320189976.2U CN219779843U (en) | 2023-02-08 | 2023-02-08 | power supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320189976.2U CN219779843U (en) | 2023-02-08 | 2023-02-08 | power supply system |
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| Publication Number | Publication Date |
|---|---|
| CN219779843U true CN219779843U (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320189976.2U Active CN219779843U (en) | 2023-02-08 | 2023-02-08 | power supply system |
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| Country | Link |
|---|---|
| CN (1) | CN219779843U (en) |
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2023
- 2023-02-08 CN CN202320189976.2U patent/CN219779843U/en active Active
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