CN105262202A - A small emergency mobile power supply station for warehouses - Google Patents

Abstract

The invention discloses a small emergency mobile power supply station for a warehouse, which is characterized by comprising an electric forklift storage battery module (1), a closing control switch (2), an emergency power supply module (3) and a multifunctional emergency power supply system distribution box (4); the emergency power supply module (3) comprises a battery pack (3-2), a power supply circuit (3-1), a power management control unit (3-3), a filter (3-4), a rectangular wave generator (3-5), a transformer winding (3-6), an external load or socket interface (3-7), a power supply module (3-8), a micro single chip microcomputer control unit (3-9), a controllable frequency generator (3-10), an axial flow fan heat dissipation unit (3-11), a temperature protection feedback module (3-12), a battery under-voltage feedback module (3-13) and a waveform feedback circuit (3-14); the invention has the advantages of economy, practicability, enterprise cost reduction, quick and flexible movement, long power supply time, wide application range, strong safety and long service life.

Description

A small emergency mobile power supply station for warehouses

Technical field:

The invention relates to a small-sized emergency mobile power supply station for warehouses, which is widely used in emergency power supply for material warehouses and belongs to the field of warehouse emergency management tools.

Background technique:

The emergency material reserve in the material warehouse is responsible for the maintenance and allocation of emergency materials in the area. It is very important to ensure uninterrupted power supply in the warehouse area. It is best for such warehouses to be equipped with emergency power supply equipment.

General emergency power supply equipment includes emergency diesel generator sets, emergency gas turbine generator sets, UPS power supplies, etc. Emergency diesel generator sets and emergency gas turbine generator sets are high in procurement and maintenance costs for daily use in warehouses, which is not conducive to enterprises Cost reduction, large volume, heavy body, inconvenient movement, need to be loaded and transported, unable to quickly reach the designated power supply location; UPS power supply is small in size, convenient and flexible to use, but small in capacity and short in power supply time, cannot meet Long-term power requirements.

Material warehouses are generally equipped with electric forklifts. While being used as material handling equipment, electric forklifts also have the characteristics of large battery capacity, fast movement, and flexible steering. The above characteristics are not fully utilized in daily use.

Invention content:

The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide an economical and practical combination of electric forklifts, reduce enterprise costs, move quickly and flexibly, have long power supply time, wide application range, strong safety, and long service life. Emergency mobile power supply station.

The purpose of the present invention can be achieved through the following measures: a small emergency mobile power supply station for warehouses, which is characterized in that it includes an electric forklift battery module, the electric forklift battery module is connected to the emergency power supply module through a closed control switch, and the emergency power supply module Connect the distribution box of the multi-functional emergency power supply system; the emergency power supply module includes a micro-single-chip microcomputer control unit, and the micro-single-chip microcomputer control unit is respectively connected to the battery undervoltage feedback module, power management control unit, DC48-DC5V power supply module, controllable frequency generator, temperature Protection feedback module, waveform feedback circuit, axial flow fan cooling unit, battery undervoltage feedback module connected to 48V battery pack, power management control unit connected to AC220 power supply circuit, 48V battery pack, filter, and filter connected to DC48-DC5V power supply Module, rectangular wave generator, DC48-DC5V power supply module is connected to the controllable frequency generator, the controllable frequency generator is connected to the rectangular wave generator, the rectangular wave generator is respectively connected to the temperature protection feedback module, the transformer winding, and the transformer winding is respectively connected to the waveform feedback The circuit module, external load or socket interface, AC220 power supply circuit, 48V battery pack are connected to the external AC220V input terminal; the external load or socket interface is connected to the power output air switch; the multi-functional emergency power supply system distribution box includes the power output air switch, power The output air switch is respectively connected to the industrial special socket and the multi-functional power output socket, and the power output air switch is connected to the external load or socket interface of the emergency power module.

In order to further realize the object of the present invention, the multi-functional power output strip is provided with three 3-hole sockets, three two-hole sockets and three USB power transmission holes.

Compared with the prior art, the present invention can produce the following positive effects: the present invention can make full use of the characteristics of large battery capacity, fast movement, and flexible steering of electric forklifts, and has lower procurement and maintenance costs than emergency diesel generator sets and emergency gas turbine generator sets , convenient and flexible to move, larger battery capacity than UPS power supply, and longer power supply time. The present invention is used in conjunction with a warehouse electric forklift, which can quickly reach the designated location to provide long-term emergency power supply for various electrical equipment, and provide reliable guarantee for uninterrupted power supply in the warehouse area. It has:

1. Reduce enterprise costs. No need to purchase emergency power supply equipment, use the existing electric forklift battery in the warehouse, use the emergency power supply module that matches the specification of the forklift battery, connect it to the battery of the electric forklift, and connect the output terminal to the multi-functional power strip to connect the forklift battery to DC Converted to 220V sinusoidal alternating current to make a small emergency mobile power supply station for warehouses, and combined with electric forklift battery maintenance daily, no additional maintenance and maintenance costs are required.

2. Fast and flexible movement. Specially designed for electric forklifts, it can make full use of the characteristics of fast driving, small size, and flexible steering of electric forklifts to quickly reach the designated position, rotate horizontally in any direction to connect to the power supply, and provide power supply for electrical equipment.

3. Long power supply time. Taking full advantage of the large capacity of the electric forklift battery, it can provide long-term power supply for more than 24 hours for common electrical equipment.

4. Wide application range. Equipped with single-phase, three-phase sockets, industrial sockets and USB charging ports, suitable for a variety of electrical equipment.

5. Strong safety and long service life. Installed with multiple protection components such as temperature protection feedback module and battery undervoltage feedback module, it has multiple protection functions such as temperature adjustment and low voltage protection. While ensuring the safety of use, it can maximize the service life of the emergency power supply station.

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a block diagram of the electrical principle of the emergency power supply module of the present invention.

detailed description:

The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing:

Embodiment: A small emergency mobile power supply station for a warehouse (see Figure 1), which includes an electric forklift battery module 1, the electric forklift battery module 1 is connected to the emergency power supply module 3 by closing the control switch 2, and the emergency power supply module 3 is connected to Multifunctional emergency power system distribution box 4.

The emergency power supply module 3 (see Figure 2) includes a micro-single-chip control unit 3-9 composed of STC12C2052, and the micro-single-chip control unit 3-9 is respectively connected to the battery undervoltage feedback module 3-13, the power management control unit 3-3, and the DC48- DC5V power module 3-8, controllable frequency generator 3-10, temperature protection feedback module 3-12, waveform feedback circuit 3-14, axial flow fan cooling unit 3-11, battery undervoltage feedback module 3-13 connection The 48V battery pack 3-2, the power management control unit 3-3 are respectively connected to the AC220 power supply circuit 3-1, the 48V battery pack 3-2, the filter 3-4, and the filter 3-4 are respectively connected to the DC48-DC5V power supply module 3- 8. Rectangular wave generator (inverter bridge) 3-5, DC48-DC5V power module 3-8 connected to controllable frequency generator 3-10, controllable frequency generator 3-10 connected to rectangular wave generator (inverter bridge ) 3-5, rectangular wave generator (inverter bridge) 3-5 are respectively connected to temperature protection feedback module 3-12, transformer winding 3-6, transformer winding 3-6 are respectively connected to waveform feedback circuit module 3-14, external load Or the socket interface 3-7, the AC220 power supply circuit 3-1, and the 48V battery pack 3-2 are connected to the external AC220V input terminal. The external load or socket interface 3-7 is connected with the power output air switch 4-1.

The distribution box 4 of the multifunctional emergency power supply system includes a power output air switch 4-1. In addition to contacting and breaking the circuit, the power output air switch 4-1 can also monitor the short circuit, severe overload and undervoltage of the circuit or electrical equipment. Protect. The power output air switch 4-1 is respectively connected to the industrial special socket 4-2 and the multifunctional power output socket 4-3, and the power output air switch 4-1 is connected to the external load of the emergency power module 3 or the socket interface 3-7. The industrial special socket 4-2 matches the power demand of special equipment, ensuring that the use environment can achieve power output coordination in civilian-grade industrial equipment. The multifunctional power output strip 4-3 has three 3-hole sockets for connecting external common electrical equipment, three 2-hole sockets for external external electrical equipment, and three USB power transmission holes, which can automatically Identify devices, support 2A fast charging, overload protection switch with power indicator light, prevent overload, and meet the power demand of mobile phones and other voltage devices.

The battery module 1 of the electric forklift provides power output guarantee for the electric equipment, and the 48V power is exported through the battery module 1 of the electric forklift, and the opening and closing of the circuit is controlled by the closing control switch 2; The power voltage is converted into 220V sinusoidal alternating current to match subsequent equipment applications; the 220V power enters the distribution box 4 of the multifunctional mobile emergency power supply system, and then redistributes the power through the power output air switch 4-1 inside, all the way through the industrial dedicated The socket 4-2 outputs outwards, and one way outputs outwards through the multifunctional power output socket 4-3.

After the external AC220 power supply circuit 3-1 is powered on, the current enters the filter 3-4 through the power management control unit 3-3, and then enters the micro-single-chip control unit 3-9 composed of STC12C2052 through the DC48-DC5V power module 3-8; STC12C2052 detects the voltage in the circuit. If the signal is normal, the voltage is recognized as normal, indicating that the external power supply is normal, and the power management control unit 3-3 is given a normal signal to charge the DC48V battery pack 3-2. If the signal is abnormal, the DC48V battery is not charged. Group 3-2 charging;

After the external AC220 power supply circuit 3-1 is powered off, the 48V battery pack 3-2 provides power output, and the current enters the filter 3-4 through the power management control unit 3-3, and part of it enters the rectangular wave generator (inverter bridge) 3 -5; a part enters the controllable frequency generator 3-10 through the DC48-DC5V power module 3-8; a part enters the micro-single-chip microcomputer control unit 3-9 composed of STC12C2052 through the DC48-DC5V power module 3-8; in the detection circuit of the single-chip microcomputer STC12C2052 If the voltage signal is normal and the voltage is recognized as normal, it means that the power supply of the battery pack is normal. The control signal is solved by the controllable frequency generator 3-10, and then the output signal is input to the rectangular wave generator (inverse variable bridge) 3-5; then the rectangular wave generator (inverter bridge) 3-5 converts the current into a rectangular wave form and transmits it to the transformer winding 3-6, and the transformer winding 3-6 converts the voltage into AC220V current and transmits it to the external load Or socket interface 3-7;

The temperature automatic adjustment system automatically controls the system temperature below 50 degrees through the temperature protection feedback module. When the temperature rises to 50 degrees, the axial flow fan cooling unit 11 starts to work, and when the temperature is lower than 35 degrees, the fan stops working.

Claims (2)

1. the small-sized emergent mobile supply station in warehouse, it is characterized in that it comprises electri forklift storage battery module (1), electri forklift storage battery module (1) connects emergency power supply module (3) by Closed control switch (2), and emergency power supply module (3) connects multi-function emergency power-supply system distribution box (4);

Emergency power supply module (3) comprises one chip microcomputer control unit (3-9), one chip microcomputer control unit (3-9) connects battery undervoltage feedback module (3-13) respectively, power supply management control unit (3-3), DC48-DC5V power module (3-8), controllable frequency generators (3-10), temperature protection feedback module (3-12), waveform feedback circuit (3-14), axial flow blower heat radiation unit (3-11), the anti-power feeding module of battery undervoltage (3-13) connects 48V battery pack (3-2), power supply management control unit (3-3) connects AC220 power supply circuits (3-1) respectively, 48V battery pack (3-2), filter (3-4), filter (3-4) connects DC48-DC5V power module (3-8) respectively, square-wave generator (3-5), DC48-DC5V power module (3-8) connects controllable frequency generators (3-10), controllable frequency generators (3-10) connects square-wave generator (3-5), square-wave generator (3-5) connects temperature protection feedback module (3-12) respectively, Transformer Winding (3-6), Transformer Winding (3-6) connects waveform feedback circuit module (3-14) respectively, external loading or jack interface (3-7), AC220 power supply circuits (3-1), 48V battery pack (3-2) is connected with external AC 220V input, external loading or jack interface (3-7) are connected with electric power delivery air switch (4-1), multi-function emergency power-supply system distribution box (4) comprises electric power delivery air switch (4-1), electric power delivery air switch (4-1) connects industrial private jack (4-2) respectively, multifunction power exports insert row (4-3), and electric power delivery air switch (4-1) is connected with emergency power supply module (3) external loading or jack interface (3-7).

2. the small-sized emergent mobile supply station in a kind of warehouse according to claim 1, is characterized in that described multifunction power exports insert row (4-3) and is provided with 33 plug-in positions, hole, 32 plug-in positions, hole and 3 USB transmission of electricity positions, hole.