CN216216624U

CN216216624U - Light stores up firewood integration base station and synthesizes power supply system

Info

Publication number: CN216216624U
Application number: CN202122324561.5U
Authority: CN
Inventors: 张明阳
Original assignee: Huaxia Power Investment Wisdom Beijing Energy Co ltd
Current assignee: Huaxia Power Investment Wisdom Beijing Energy Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-05
Anticipated expiration: 2031-09-24

Abstract

The utility model belongs to the technical field of base station power supply, and particularly discloses an integrated power supply system of a light-diesel-storage base station, which comprises a photovoltaic assembly, a mains supply module, a diesel generator module, a direct-current power supply converter, an energy storage battery pack and an industrial personal computer, wherein the electric energy output end of the photovoltaic assembly is connected with the direct-current input end of the direct-current power supply converter, the electric energy output ends of the mains supply module and the diesel generator module are connected with the alternating-current input end of the direct-current power supply converter through a first ATS switch, the output end of the direct-current power supply converter is respectively connected with the energy storage battery pack and a load, the electric energy output end of the energy storage battery pack is connected with the load, the industrial personal computer is provided with a plurality of information acquisition ends for acquiring corresponding output electric energy information, and the industrial personal computer is respectively connected with the power supply control ends of the photovoltaic assembly, the mains supply module, the diesel generator module and the energy storage battery pack. By adopting the technical scheme, the industrial personal computer is used for controlling each component and each module to be matched with the power supply module, so that the base station can operate stably.

Description

Light stores up firewood integration base station and synthesizes power supply system

Technical Field

The utility model belongs to the technical field of base station power supply, and relates to a light-storage-diesel-storage integrated base station comprehensive power supply system.

Background

There are thousands of emergency calls placed in transit by wireless devices each year, meaning that even during a power grid outage or in severe weather conditions, the base stations cannot fail to blackout, and these base station facilities require a large amount of backup power to ensure that the end user information flow never stops. Therefore, the reliable power supply of the base station is important, and in order to thoroughly solve the problem of reliable power supply of the base station in remote areas, the integrated power supply system of the light-storage-diesel integrated base station is designed and developed and is mainly used for terminal base stations in remote areas such as barren mountains, islands, deserts and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a comprehensive power supply system of a light-storage-diesel-storage integrated base station, which realizes reliable power supply to the base station.

In order to achieve the purpose, the basic scheme of the utility model is as follows: a light-diesel-storage integrated base station comprehensive power supply system comprises a photovoltaic module, a mains supply module, a diesel generator module, a direct-current power supply converter, an energy storage battery pack and an industrial personal computer;

the electric energy output end of the photovoltaic module is connected with the direct current input end of the direct current power supply converter;

the electric energy output end of the commercial power module is connected with the alternating current input end of the direct current power supply converter through a first ATS switch;

the electric energy output end of the diesel generator module is connected with the alternating current input end of the direct current power supply converter through a second ATS switch;

the output end of the direct-current power supply converter is respectively connected with the energy storage battery pack and the load, and the electric energy output end of the energy storage battery pack is connected with the load;

the industrial computer is provided with a plurality of information acquisition ends, the information acquisition ends are respectively arranged at the electric energy output ends of the photovoltaic assembly, the commercial power module, the diesel generator module and the energy storage battery pack and used for acquiring corresponding output electric energy information, and the industrial computer is respectively connected with the power supply control ends of the photovoltaic assembly, the commercial power module, the diesel generator module and the energy storage battery pack.

The working principle and the beneficial effects of the basic scheme are as follows: the industrial personal computer judges the operation and power supply conditions of each component and each module through the collected electric energy information, so that the start and stop of each component and each module are controlled. The photovoltaic module can convert solar energy into power for the load of an operator through the direct-current power supply converter, and redundant electric energy can be charged and stored through the energy storage battery pack. The utility model is used for supplying power to the load, and when the commercial power has a power failure, control the diesel generator module through the industrial computer and start and carry out the load power supply to charge to the energy storage battery group. The electric energy stored in the energy storage battery pack can also supply power for the base station load when needed, and a plurality of power supply modules ensure the energy of the base station and realize reliable power supply for the base station.

The solar energy water heater further comprises a box body, wherein the photovoltaic assembly, the commercial power module, the diesel generator module, the energy storage battery pack and the industrial personal computer are all arranged in the box body, and the box body is provided with a smoke sensing module, a water immersion module and a door travel switch;

the smoke sensing module comprises a plurality of smoke collecting ends and smoke sensing alarms in one-to-one correspondence with the smoke sensing collecting ends, the smoke collecting ends are respectively installed on each side face in the box body, the output ends of the smoke collecting ends are connected with the corresponding smoke sensing alarms, and the smoke sensing alarms are arranged on the outer walls of the corresponding box bodies;

the water immersion module is arranged on four sides of a box door of the box body and used for collecting water immersion signals, and the output end of the water immersion module is connected with a water immersion alarm and the control end of the dryer;

the door travel switch is arranged at the box door of the box body and used for controlling the opening and closing of the box door.

The box plays the guard action, and photovoltaic module, commercial power module, diesel generator module, energy storage group battery and industrial computer all arrange the box in, and the integral erection, the maintenance of being convenient for. Set up smoke and feel module, water logging module and door travel switch on the box, realize the fire protection, water logging protection and the lock protection to equipment in the box, improve the security that equipment used.

Furthermore, the output end of the smoke sensing module is connected with the opening control end of the door travel switch, and the output end of the water immersion module is connected with the closing control end of the door travel switch.

When smoke information is collected by the smoke sensing module, the smoke sensing module outputs a control signal to the door travel switch, the door of the control box is opened, smoke is discharged and heat is dissipated conveniently and timely, and meanwhile, the quick processing of faults in the box body by workers is facilitated. And when the water logging module detects the signal that the water logging goes into the box, in order to avoid more steam entering box, need guarantee that the chamber door is in the closed condition.

Further, still include serial servers, the industrial computer passes through serial servers and is connected with photovoltaic module, commercial power module, diesel generator module and energy storage battery group respectively.

And the industrial personal computer is smoothly connected with other parts by using the serial server, so that the use is facilitated.

Further, the system comprises a cloud server, wherein the cloud server is connected with a signal output end of the industrial personal computer through a wireless communication module.

Through high in the clouds server, various electric energy signals and the operation information of industrial computer self that the industrial computer gathered are long-range received, are convenient for look over.

Further, the direct-current power supply converter comprises a monitoring module, a plurality of photovoltaic modules and a plurality of rectifying modules, wherein the monitoring module is used for collecting current and voltage information of the direct-current input end, the alternating-current input end and the energy storage battery pack, and the output end of the monitoring module is connected with the output control end of the direct-current power supply converter;

the direct current input end of the direct current power supply converter is connected with the photovoltaic module, the alternating current input end of the direct current power supply converter is connected with the rectifying module, and the output ends of the photovoltaic module and the rectifying module are connected in parallel on a common direct current bus where the energy storage battery pack is located.

The direct-current power supply converter converts alternating current input by high-voltage direct current, diesel or alternating current commercial power connected in series with the photovoltaic module into stable and reliable direct current through the photovoltaic module or the rectifying module, and redistributes the direct current to supply power to multiple paths of loads. And the monitoring unit can monitor the running state of each part of the system in real time and carry out corresponding intelligent control.

Further, the electric energy information collected by the industrial personal computer comprises voltage, current and power information of the photovoltaic module, electrifying information of the commercial power module, power and power duration of the diesel generator module and SOC of the energy storage battery pack.

The obtained electric energy information is processed by the industrial personal computer and is used for analyzing and outputting corresponding control signals to the corresponding component modules to control power supply.

Drawings

FIG. 1 is a schematic flow chart of a comprehensive power supply system of a light-diesel-storage integrated base station of the utility model;

fig. 2 is a schematic structural diagram of a direct-current power supply converter of the integrated power supply system of the light-diesel-storage integrated base station.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

As shown in figure 1, the utility model discloses a light-storage-diesel-storage integrated base station comprehensive power supply system which provides safe and reliable DC power supply for base station equipment of communication operators, wherein the DC power supply is-48V or-57V so as to supply power for loads of 4G or 5G base stations. The system comprises a photovoltaic module, a commercial power module, a diesel generator module, a direct-current power supply converter, an energy storage battery pack and an industrial personal computer.

The electric energy output end of the photovoltaic module is electrically connected with the direct current input end of the direct current power supply converter, the photovoltaic module adopts PV photovoltaic panels to collect solar energy, for example, 7 strings of 400Wp photovoltaic panels (such as DA-400) are connected into a system in 3 groups and 6 rows, the installation capacity reaches 16kWp, and in actual use, the number of the PV panels can be adjusted according to the actual illumination radiation conditions of project installation sites so as to meet different actual requirements of customers.

The electric energy output end of the commercial power module is electrically connected with the alternating current input end of the direct current power supply converter through an Automatic Transfer Switching (ATS) switch.

The electric energy output end of the diesel generator module is electrically connected with the alternating current input end of the direct current power supply converter through a second ATS switch, the diesel generator module selects a 4-stroke in-line 4-cylinder water-cooled diesel engine unit (such as GB-164C), the rated output power of the unit is set to be 9kW, the standby power is 10kW, the unit configuration which is practical for high altitude and cold regions is developed, reasonable unit selection can be carried out according to the region of a user base station, the power configuration of the unit used in the high altitude and cold regions is improved for ensuring the output requirement of full power, the power configuration of the engine and the generator is improved, an air inlet heating device and a water jacket heating device are added, and the unit can be ensured to be successfully started at any time. Unit base oil tank design capacity is 1000L, can satisfy unit full-power operation 370h, the base oil tank is the integral welding of bending of 6 mm's A3 steel sheet and forms, it is sturdy and durable, the oil tank design has the electron oil level gaugember, electron oil level table installation position, supply the real-time oil level that control system detected diesel oil, there are oil filler hole and oil discharge opening on the right side, there is the filter screen in the oil filler hole, can carry out primary filter to diesel oil, the valve of 4 minutes is installed to the oil discharge opening, be convenient for regularly discharge bottom oil and deposit in the oil tank.

The output end of the direct-current power supply converter is respectively electrically connected with the energy storage battery pack and the load, the electric energy output end of the energy storage battery pack is electrically connected with the load, the energy storage battery pack adopts a lithium battery pack, preferably a square lithium iron phosphate battery, the safety is higher, for example, 4 or 10 lithium iron phosphate modules with 48V 100Ah are configured, the 48V 100Ah lithium iron phosphate module is formed by connecting 1 group of 3.2V 100Ah lithium iron phosphate battery cores 16 in series, and a BMS battery management system is configured; with a 485 communication interface. The base station has surplus electric quantity to store energy, and the electric quantity is supplemented by a photovoltaic module or a diesel generator module when insufficient.

As shown in fig. 2, the DC power converter includes a monitoring module (e.g., a DC2600 monitoring module), a plurality of photovoltaic modules (e.g., 3 photovoltaic modules, i.e., the DC conversion module of fig. 2), and a plurality of rectifier modules (e.g., 3 rectifier modules, the output power of each rectifier module is 3KW), the monitoring module is configured to collect the current and voltage information of the DC input terminal, the ac input terminal, and the energy storage battery pack, and the output terminal of the monitoring module is electrically connected to the output control terminal of the DC power converter. The direct current input end of the direct current power supply converter is electrically connected with the photovoltaic module, the alternating current input end of the direct current power supply converter is electrically connected with the rectifying module, the output ends of the photovoltaic module and the rectifying module are connected in parallel on a common direct current bus (the anode of the common direct current bus is grounded) where the energy storage battery pack is located, and a direct current distribution unit is arranged on the common direct current bus.

In the normal operation process of the direct-current power supply converter, a monitoring module in the direct-current power supply converter detects that the generated energy input by the photovoltaic module is sufficient, and then the photovoltaic module is controlled to charge the load and the energy storage battery preferentially. When the generated energy of the photovoltaic module is low and the electric quantity of the commercial power module is supplied normally, the monitoring module outputs a corresponding control signal to control the rectification module to supply power to the direct-current load and charge the storage battery. When the commercial power module is in a power failure state and the photovoltaic module has no solar energy input, the rectifying module and the photovoltaic module stop working, and the energy storage battery pack supplies power to the direct current load. And after the input of the commercial power module or the photovoltaic module is recovered, the rectifying module or the photovoltaic module supplies power to the direct-current load again, and charges the energy storage battery pack to supplement the consumed electric quantity.

The industrial computer is provided with a plurality of information acquisition ends, the information acquisition ends are respectively arranged at the electric energy output ends of the photovoltaic assembly, the commercial power module, the diesel generator module and the energy storage battery pack and used for acquiring corresponding output electric energy information, and the industrial computer is respectively electrically connected with the power supply control ends of the photovoltaic assembly, the commercial power module, the diesel generator module and the energy storage battery pack. The industrial personal computer is a reinforced enhanced personal computer, and can detect and control the production process, electromechanical equipment and process equipment. The electric energy information collected by the industrial personal computer comprises voltage, current and power information of the photovoltaic module, electrifying information of the commercial power module, power and power duration of the diesel generator module, and SOC (State of Charge) of the energy storage battery pack, wherein the SOC is used for reflecting the residual capacity of the battery, and the value of the SOC is defined as the ratio of the residual capacity to the battery capacity.

In the preferred mode of this scheme, light stores up firewood integration base station and synthesizes power supply system still includes the box, and photovoltaic module, commercial power module, diesel generator module, energy storage group battery and industrial computer all set up in the box, are equipped with smoke and feel module, water logging module and door travel switch on the box. The smoke sensing module comprises a plurality of smoke collecting ends (such as smoke sensors MQ-2) and smoke sensing alarms (adopting buzzers or LED lamps and the like) which are in one-to-one correspondence with the smoke sensing collecting ends, the smoke collecting ends are respectively installed on each side face in the box body, the output ends of the smoke collecting ends are electrically connected with the corresponding smoke sensing alarms, the smoke sensing alarms are arranged on the outer walls of the corresponding box bodies, for example, the smoke sensing alarms are welded or bonded on the outer walls of the box bodies, and a worker can quickly acquire the positions of accidents according to the smoke alarms on the outer walls of the corresponding box bodies, so that the overhauling speed is accelerated.

The water immersion modules on the box body are arranged on four sides of a box door of the box body and used for collecting water immersion signals on the four sides of the box door, and information collection is comprehensive. The output electric connection of water logging module has the control end of water logging alarm and drying-machine, and the drying-machine setting is inboard at the chamber door, and the water logging alarm is installed on the chamber door outer wall. The water immersion module is preferably a water immersion sensor or a humidity sensor, such as an XW1000 positioning water leakage induction line, an XW-DC-01 water immersion sensor and the like. The door travel switch is arranged at the box door of the box body and used for controlling the opening and closing of the box door. Preferably, the output end of the smoke sensing module is electrically connected with the opening control end of the door travel switch, and the output end of the water immersion module is electrically connected with the closing control end of the door travel switch. When smoke information is collected by the smoke sensing module, the smoke sensing module outputs a control signal to the door travel switch, the door of the control box is opened, smoke is discharged and heat is dissipated conveniently and timely, and meanwhile, the quick processing of faults in the box body by workers is facilitated. And when the water logging module detects the signal that the water logging goes into the box, in order to avoid more steam entering box, need guarantee that the chamber door is in the closed condition.

In a preferred mode of this scheme, light stores up firewood integration base station and synthesizes power supply system still includes serial servers, and the industrial computer passes through serial servers respectively with photovoltaic module, commercial power module, diesel generator module and energy storage battery group electric connection. The serial server adopts an 8-port RS232/485 rack type serial server to support 8-channel 485 serial ports, converts multi-channel dispersed, low-speed and different-standard serial devices into Ethernet for centralized management, and can realize remote reading of serial data after the virtual serial port is installed.

In an optimal selection mode of this scheme, light stores up firewood integration base station and synthesizes power supply system still includes the high in the clouds server, and the high in the clouds server passes through the signal output part electric connection of wireless communication module and industrial computer, and wireless communication module can adopt DTU equipment (Data Transfer unit, Data transmission unit is the wireless terminal equipment who is used for specially converting serial Data into IP Data or converting IP Data into serial Data and carry out the conveying through wireless communication network). The serial server can also send data to a designated server on the network through the DTU, and the DTU can also receive the data from the server and forward the information to the serial device.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A light-diesel-storage integrated base station comprehensive power supply system is characterized by comprising a photovoltaic module, a mains supply module, a diesel generator module, a direct-current power supply converter, an energy storage battery pack and an industrial personal computer;

2. The light-diesel-storage integrated base station comprehensive power supply system of claim 1, further comprising a box body, wherein the photovoltaic module, the commercial power module, the diesel generator module, the energy storage battery pack and the industrial personal computer are all arranged in the box body, and a smoke sensing module, a water immersion module and a door travel switch are arranged on the box body;

3. The integrated power supply system for the light-storage-diesel integrated base station as claimed in claim 2, wherein the output end of the smoke sensing module is connected with the opening control end of the door travel switch, and the output end of the water immersion module is connected with the closing control end of the door travel switch.

4. The integrated power supply system of the light-diesel-storage integrated base station as claimed in claim 1, further comprising a serial server, wherein the industrial personal computer is respectively connected with the photovoltaic module, the commercial power module, the diesel generator module and the energy storage battery pack through the serial server.

5. The integrated power supply system of the light-storage-diesel base station as claimed in claim 1, further comprising a cloud server, wherein the cloud server is connected with the signal output end of the industrial personal computer through the wireless communication module.

6. The integrated power supply system of the light-diesel-storage integrated base station as claimed in claim 1, wherein the dc power converter comprises a monitoring module, a plurality of photovoltaic modules and a plurality of rectifying modules, the monitoring module is used for collecting current and voltage information of the dc input terminal, the ac input terminal and the energy storage battery pack, and an output terminal of the monitoring module is connected with an output control terminal of the dc power converter;

7. The integrated power supply system of claim 1, wherein the electric energy information collected by the industrial personal computer comprises voltage, current and power information of the photovoltaic module, power-on information of the commercial power module, power and power duration of the diesel generator module, and SOC of the energy storage battery pack.