Multifunctional emergency power supply

Abstract

The utility model discloses a multifunctional emergency power supply which comprises a main-standby power switching circuit, a DC-AC inverter, a charging control circuit, a charging equalization circuit and a battery pack. The main-standby power switching circuit is respectively connected with the DC-AC inverter, the charging control circuit and the charging equalization circuit, the main-standby power switching circuit is connected with an input port and an output interface, and the charging equalization circuit is respectively connected with the charging control circuit, the DC-AC inverter and the battery pack. After a large number of lamps are installed on site, the system can monitor each lamp in real time, so that fault positions of the lamps can be found in time, and maintenance can be reminded in time. Each lamp has a unique address ID, each lamp can be monitored through a remote controller, a battery pack is provided with an equalizing device, a charger charges the whole battery pack, and when the batteries are fully charged, the problem that the voltage of each battery is unbalanced is solved. After the battery pack is charged and discharged for many times, the voltage of each battery of the battery pack is not unbalanced, thereby ensuring the discharge emergency time of the battery pack.

Description

Technical Field

[0001] This utility model relates to the field of emergency power supply technology, and in particular to a multifunctional emergency power supply. Background Technology

[0002] Commercially available fire emergency power supplies only have a single AC220V output mode. When powering lights, they can only turn on the lights and turn them off when the power is cut off. When a light malfunctions on site, it is impossible to locate the fault in time, and it is impossible to repair or replace it promptly.

[0003] Commercially available fire emergency power supplies often lack a battery equalization device during charging. The charger charges the entire battery pack, resulting in voltage imbalances in each cell when fully charged, leading to overall capacity imbalance. After multiple charge-discharge cycles, the voltage of each cell in the battery pack becomes severely unbalanced, shortening the emergency discharge time. Summary of the Invention

[0004] In view of the problems existing in the prior art, the purpose of this utility model is to provide a multifunctional emergency power supply.

[0005] To solve the above problems, the present invention adopts the following technical solution.

[0006] A multifunctional emergency power supply includes a main-backup power switching circuit, a DC-AC inverter, a charging control circuit, a charging equalization circuit, and a battery pack. The main-backup power switching circuit is connected to the DC-AC inverter, the charging control circuit, and the charging equalization circuit, and has an input port and an output interface. The charging equalization circuit is connected to the charging control circuit, the DC-AC inverter, and the battery pack.

[0007] As a further improvement of this utility model, the main-standby power switching circuit is connected to a CAN communication module, the CAN communication module is connected to a DC-AC inverter, and the CAN communication module is also connected to an Mbus communication module.

[0008] Beneficial effects of this utility model

[0009] Compared with existing technologies, the advantages of this utility model are:

[0010] After a large number of lights are installed on-site, the system can monitor each light in real time, enabling timely detection of light malfunctions and prompt maintenance reminders. Lights at a height of 8m or less can be powered by DC 36V, while lights at a height of 8m or more can be powered by AC 220V. Each light has a unique address ID, and each light can be monitored remotely via a controller.

[0011] The battery pack is equipped with an equalization device. When the charger charges the entire battery pack, it resolves the issue of voltage imbalance among individual cells. After multiple charge-discharge cycles, the voltage of each cell in the battery pack will not become unbalanced, ensuring the battery pack's emergency discharge time. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the principle of this utility model. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0014] Please see Figure 1 A multifunctional emergency power supply includes a main-backup power switching circuit 1, a DC-AC inverter 4, a charging control circuit 2, a charging equalization circuit 3, and a battery pack. The main-backup power switching circuit 1 is connected to the DC-AC inverter 4, the charging control circuit 2, and the charging equalization circuit 3, and has an input port and an output interface 7. The charging equalization circuit 3 is connected to the charging control circuit 2, the DC-AC inverter 4, and the battery pack. The main-backup power switching circuit 1 is connected to a CAN communication module 5, which is connected to the DC-AC inverter 4. The CAN communication module 5 is also connected to an Mbus communication module 6.

[0015] The main AC220V power supply is input into the main-standby power switching circuit 1. Since the main AC220V power supply is normal, the DC-AC inverter 4 stops working, and the main AC220V is directly output to output interface 7, which outputs AC220V. When the main AC220V power supply fails, the DC-AC inverter 4 starts working. The battery pack's DC48V is input to the DC-AC inverter 4 via the charging equalization circuit 3. The inverter boosts and inverts the battery pack's DC48V voltage to AC220V, and the main-standby power switching circuit 1 switches to inverter power supply output to output interface 7.

[0016] When the main AC 220V power supply is operating normally, the main-backup power switching circuit 1 outputs one power source to the charging control circuit 2. The charging control circuit 2 then converts the AC power to DC and outputs a DC 60V constant current 5A power source to the charging equalization circuit 3. The charging equalization circuit 3 controls the charging current of each cell according to the battery pack voltage, ensuring that the voltage difference between each cell is minimized during charging and after full charging, i.e., the voltage of each cell remains balanced. Because the voltage difference between each cell is small, the amount of electricity discharged by each cell is basically the same, which also extends the service life of the entire battery pack.

[0017] The main-backup power switching circuit 1 outputs one power supply to the Mbus communication module 6. The Mbus communication module 6 steps down the AC220V to DC36V via AC-DC conversion, and then outputs DC36V to the Mbus communication interface via a pulse modulation circuit. This Mbus communication module 6 has communication functions and can power low-voltage type A intelligent lighting fixtures. The operating status of high-voltage type B intelligent lighting fixtures and low-voltage type A lighting fixtures can be monitored through the Mbus communication module 6.

[0018] The CAN communication module 5 acquires the working status of the main-backup power switching circuit 1 through the acquisition interface IO circuit, acquires the working status of the battery pack through the charging equalization circuit 3 and DC-AC inverter 4, acquires the working status of the Mbus communication module 6 through the acquisition interface TTL circuit and performs data exchange processing, and then connects to the host computer through the CAN communication interface circuit to form a remote monitoring system.

[0019] The above modules are connected and organized into a dedicated fire emergency power supply, which has multiple functions such as intelligent battery charging, automatic switching between main and backup power, lighting monitoring, and remote power monitoring. It also enables the use of intelligent functions in fire emergency lighting systems.

[0020] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A multifunctional emergency power supply, characterized in that, It includes a main-to-standby power switching circuit, a DC-AC inverter, a charging control circuit, a charging equalization circuit, and a battery pack. The main-to-standby power switching circuit is connected to the DC-AC inverter, the charging control circuit, and the charging equalization circuit, and has an input port and an output interface. The charging equalization circuit is connected to the charging control circuit, the DC-AC inverter, and the battery pack.

2. The multifunctional emergency power supply according to claim 1, characterized in that: The main-standby power switching circuit is connected to a CAN communication module, which is connected to the DC-AC inverter. The CAN communication module is also connected to an Mbus communication module.

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