Intelligent mobile DC power supply system

Abstract

The utility model provides an intelligent mobile direct-current power supply system, which belongs to the technical field of standby power supplies and comprises a charging part and a power storage part electrically connected with the charging part, an ampere meter is mounted in the charging part, an ampere meter and a voltmeter are mounted in the power storage part, and the charging part comprises at least one charging module. The input end of the charging module is connected with an alternating current input unit, the output end of the charging module is connected with a direct current power supply line, the other end of the direct current power supply line is connected with a control bus, a bus voltmeter and a direct current monitoring module are installed on the control bus, and the power storage part comprises a storage battery which is connected with the control bus of the charging part through a connecting wire. The charging part and the power storage part are respectively integrated in the moving mechanism, and the two parts can be independently operated or quickly combined to adapt to various scenes, so that the flexibility and the reliability of the mobile direct-current power supply system are remarkably improved, and the limitation that a traditional integrated power supply cannot be used in a split manner is solved.

Description

Technical Field

[0001] This utility model belongs to the field of backup power technology, specifically relating to an intelligent mobile DC power supply system. Background Technology

[0002] As modern society becomes increasingly reliant on electricity, especially in the event of grid failures, natural disasters, or in remote areas, ensuring the continuity and stability of power supply becomes crucial.

[0003] Existing backup power supplies use an integrated charging and energy storage design, which has poor flexibility and applicability. Utility Model Content

[0004] The purpose of this invention is to provide an intelligent mobile DC power supply system to overcome the technical problem that existing integrated power supplies cannot be used separately.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] An intelligent mobile DC power supply system includes a charging section and an energy storage section electrically connected to the charging section. An ammeter is installed in the charging section, and an ammeter and a voltmeter are installed in the energy storage section.

[0007] The charging section includes at least one charging module. The input end of the charging module is connected to an AC input unit, and the output end of the charging module is connected to a DC power supply line. The other end of the DC power supply line is connected to a control bus. A bus voltmeter and a DC monitoring module are installed on the control bus.

[0008] The energy storage section includes a battery, which is connected to the control bus of the charging section via connecting wires.

[0009] The charging section and the energy storage section are respectively integrated in the moving mechanism.

[0010] Furthermore, a surge protector is also installed at the input end of the charging module.

[0011] Furthermore, one end of the surge arrester is connected to an air switch, and the other end is grounded.

[0012] Furthermore, an air switch, a first shunt, and a first ammeter are installed on the DC power supply line.

[0013] Furthermore, a control switch, a battery voltmeter, a second shunt, a second ammeter, and a fuse are installed on the connecting wire.

[0014] Furthermore, a battery inspection device is also installed at the battery location.

[0015] Furthermore, a reverse diode is installed between the control bus and the power supply line to the load end.

[0016] Furthermore, the charging component is integrated into a charging chassis, and the front of the charging chassis is equipped with a removable protective metal panel.

[0017] Furthermore, the charging chassis is equipped with a switch quantity acquisition module.

[0018] Furthermore, the energy storage component is integrated into the battery box, and self-locking rollers are installed at the bottom of the battery box.

[0019] Compared with the prior art, the present invention has the following beneficial technical effects:

[0020] This utility model provides an intelligent mobile DC power supply system, which is divided into a charging section and a battery storage section. Through a split-integrated design, the two parts can operate independently or be quickly combined to adapt to various scenarios, significantly improving the flexibility and reliability of the mobile DC power supply system. It solves the limitation of traditional integrated power supplies that cannot be used separately. In addition, a DC monitoring module is installed on the control bus of the charging section. Data is collected in real time through a meter with communication function and transmitted to the DC monitoring device to achieve accurate monitoring and efficient management of the charging process, avoiding overcharging, undercharging and other situations, and improving charging efficiency and battery life.

[0021] Preferably, the AC incoming line is equipped with a surge protector to effectively resist mains power surges and ensure the safe and stable operation of the charger and the entire system.

[0022] Preferably, the switch in the charging box is equipped with auxiliary and alarm contacts, and the switch status and alarm signals are collected in real time by the switch quantity acquisition module and uploaded to the DC monitoring module. Once an abnormality occurs, it can be detected and handled in a timely manner, which greatly improves the reliability of the system operation.

[0023] Preferably, the outer wall of the charging chassis is equipped with a removable protective metal panel, which can protect the monitoring module, switches and other components during transportation.

[0024] Preferably, the energy storage section uses a wireless individual battery voltage acquisition module to monitor the battery status in real time, ensuring that each battery can work normally and avoiding the impact of individual battery failure on the entire power supply system.

[0025] Preferably, the charging box and battery cart are equipped with a hand-pulled cart and a split design respectively, and the wheels are all designed with self-locking, which facilitates transportation and fixation in various terrains and environments.

[0026] Preferably, a reverse diode is installed between the control bus and the power supply line at the load end to prevent current from flowing in the opposite direction, protect other electronic components from damage by reverse current, and ensure the stable operation of the entire charging system. Attached Figure Description

[0027] Figure 1 This is a structural diagram of an intelligent mobile DC power supply system according to an embodiment of this utility model;

[0028] Figure 2 A schematic diagram of the circuit structure of an intelligent mobile DC power supply system in an embodiment of this utility model;

[0029] Figure 3 Main view of the charging chassis in this embodiment of the utility model;

[0030] Figure 4 Side view of the charging chassis in this embodiment of the utility model;

[0031] Figure 5 The battery box structure diagram in this embodiment of the utility model.

[0032] Among them, 1. Charging box; 2. Battery box; 3. Output quick connector; 4. Quick connector. Detailed Implementation

[0033] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0034] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] In one embodiment of this utility model, such as Figure 1 As shown, an intelligent mobile DC power supply system is provided, including a charging section and an energy storage section. The charging section and the energy storage section are respectively integrated in the mobile mechanism and are electrically connected by connecting wires.

[0037] Specifically, the circuit principle and structure of the intelligent mobile DC power supply system are as follows: Figure 2 As shown, the charging section includes a charging module, an AC input unit, a DC power supply line, a control bus, and a DC monitoring module. The AC input unit is connected to the input terminal of the charging module. One end of the DC power supply line is connected to the output terminal of the charging module, and the other end of the DC power supply line is connected to the control bus KM1+ and KM1-. ​​A bus voltmeter 21PV3 and a DC monitoring module 11JK are installed on the control bus. The specific model of the DC monitoring module is IPM-DM.

[0038] In addition, a first shunt 21FR1 and a first ammeter 21PA1 are installed on the DC power supply line to measure the DC current output by the charging module.

[0039] The energy storage section includes a battery, connecting wires, and electrical components mounted on the connecting wires. The battery is connected to the control bus of the charging section via the connecting wires.

[0040] In particular, the charging and energy storage components are integrated into the portable device, which can be used in combination or independently to meet various emergency and temporary power needs and ensure the continuity and stability of power supply.

[0041] In one optional embodiment, the AC input unit includes an AC input line, an AC input power input circuit breaker 11JQ is installed on the AC input line, the AC input line is connected to the input terminal of the charging module via a mains cable, two control switches, 11Q1 and 11Q2, are provided at the input port of the charging module to control the charging module, there are two charging modules, 11AD and 12AD, both of which are AC / DC modules used to convert AC power to DC power output, the charging module is connected to the DC power supply line via DC bus 1L+ and 1L-, and an air switch 11ZK is also installed on the DC power supply line;

[0042] Optionally, the AC input unit also includes a protection module, which includes a surge arrester 21F, which is connected to the mains power supply L and N via an air switch 21QFS.

[0043] The electrical components on the connecting wires of the energy storage section include a control switch 11BK, a battery voltmeter 21PV2, a second shunt 21FR2, and a second ammeter 21PA2. To increase the safety of the line, a fuse 12FU is also installed on the connecting wires.

[0044] A battery inspection device, IPM-BM-S, is also installed at the battery location.

[0045] A reverse diode is installed between the control bus and the load bus to ensure unidirectional current flow and stable operation of the entire charging system.

[0046] In another embodiment of this utility model, an intelligent mobile DC power supply system is provided, the whole system consisting of a charger and a battery.

[0047] The charger section consists of one DC monitoring device, two AC220V input and DC220V 10A output charging modules, one set of battery wireless acquisition main module, one 4G wireless communication module, one switch quantity acquisition module, a DC voltmeter, a DC ammeter, one AC input surge protector, one AC input switch, two charging module input switches, one battery input / output switch, one DC output main switch, three DC load switches, and auxiliary and alarm contacts for the switches.

[0048] The charger section uses single-phase AC220V power supply, outputting a rated voltage of DC220V and a rated current of 20A. It collects AC input voltage, DC voltage, and DC current via voltmeters and ammeters with communication functions and transmits the data to the DC monitoring device. Data from the DC monitoring module is transmitted to a mobile app via a 4G wireless communication module. For sites with weak 4G network signals in the power distribution room, signal enhancement devices are configured to improve 4G network stability.

[0049] like Figure 1 As shown, a quick-connect connector 3 for the output end is provided on the top of the charging housing 1, such as... Figure 3 , Figure 4 As shown, the charging section is integrated in the charging housing 1. The charging housing 1 is equipped with a handcart, and the outer wall of the charging housing 1 is equipped with a removable protective metal panel. The handcart is used to protect the monitoring, modules, switches and other components during transportation.

[0050] All switches in the charging box 1 are equipped with auxiliary and alarm contacts. The switch opening and closing status and trip alarm signals are collected by the switch quantity acquisition module installed in the charging box 1 and uploaded to the DC monitoring module.

[0051] The battery section consists of 18 12V 40AH lead-acid batteries and 18 wireless voltage acquisition modules, such as... Figure 5 As shown, lead-acid batteries are integrated in battery box 2. Self-locking rollers are installed at the bottom of battery box 2. Quick connectors 4 are provided on battery box 2. Each box contains 3 batteries and is internally connected, for a total of 6 battery boxes. A wireless single-cell battery voltage acquisition module is built into battery box 2. The wireless single-cell battery voltage acquisition module is equipped with a separate power switch for enabling and disabling the wireless single-cell battery voltage acquisition module.

[0052] Each battery box output port uses a foolproof quick-connect plug to prevent accidental short circuits on site while facilitating quick on-site connection.

[0053] The following are some application scenarios of this utility model:

[0054] 1. The charging section is used independently and supplies power directly to the load.

[0055] 2. The energy storage section can be used independently. After the energy storage section is fully charged by the charging section, it can be used independently to supply power to the load.

[0056] 3. The charging section and the energy storage section are used together. First, the charging section is used to supply power to the load and the energy storage section at the same time. If the power supply section fails, the power supply is switched to the energy storage section.

[0057] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. An intelligent mobile DC power supply system, characterized by, It includes a charging section and an energy storage section electrically connected to the charging section. An ammeter is installed in the charging section, and an ammeter and a voltmeter are installed in the energy storage section. The charging section includes at least one charging module. The input end of the charging module is connected to an AC input unit, and the output end of the charging module is connected to a DC power supply line. The other end of the DC power supply line is connected to a control bus. A bus voltmeter and a DC monitoring module are installed on the control bus. The energy storage section includes a battery, which is connected to the control bus of the charging section via connecting wires. The charging section and the energy storage section are respectively integrated in the moving mechanism.

2. The intelligent mobile DC power supply system of claim 1, wherein, A surge arrester is also installed at the input end of the charging module.

3. The intelligent mobile DC power supply system according to claim 2, characterized in that, One end of the surge arrester is connected to an air switch, and the other end is grounded.

4. The intelligent mobile DC power supply system of claim 1, wherein, An air switch, a first shunt, and a first ammeter are installed on the DC power supply line.

5. The intelligent mobile DC power supply system of claim 1, wherein, The connecting wire is equipped with a control switch, a battery voltmeter, a second shunt, a second ammeter, and a fuse.

6. The intelligent mobile DC power supply system of claim 1, wherein, A battery inspection device is also installed at the battery location.

7. The intelligent mobile DC power supply system of claim 1, wherein, A reverse diode is installed between the control bus and the power supply line to the load.

8. The intelligent mobile DC power supply system of claim 1, wherein, The charging section is integrated in the charging housing (1), and the outer wall of the charging housing (1) is equipped with a removable protective metal panel.

9. The intelligent mobile DC power supply system of claim 8, wherein, The charging box (1) is equipped with a switch quantity acquisition module.

10. The intelligent mobile DC power supply system of claim 1, wherein, The energy storage component is integrated in the battery box (2), and self-locking rollers are installed at the bottom of the battery box (2).

Images