CN207426746U - A multi-functional high-power mobile power box for transmission lines - Google Patents

Abstract

The utility model is a multifunctional high-power mobile power supply box for transmission lines, which belongs to the technical field of multifunctional high-power mobile power supply boxes for transmission lines; Charging and portable power transmission line multifunctional high-power mobile power box; the technical solution adopted to solve this technical problem is: including single-chip microcomputer control module, lithium battery pack, charge and discharge protection device, photovoltaic booster module, said single-chip microcomputer control module The power input end of the photovoltaic booster module is connected with the lithium battery pack, the input end of the photovoltaic booster module is connected with the solar panel, and the power output end of the photovoltaic booster module is connected with the single-chip microcomputer control module and the lithium battery pack respectively; The output end is connected in series with the over-discharge protection module and respectively connected with the DC transformer and the inverter; a voltage sensor is also arranged between the single-chip microcomputer control module and the lithium battery pack; the utility model is applied to the operation and maintenance of transmission lines.

Description

A multi-functional high-power mobile power box for transmission lines

technical field

The utility model relates to a multifunctional high-power mobile power supply box for transmission lines, which belongs to the technical field of multifunctional high-power mobile power supply boxes for transmission lines.

Background technique

With the development of the times, all kinds of new tools and instruments applied to transmission lines are constantly updated. As a special engineering field, transmission lines often use mobile power boxes to supply power to tools for mobile work. In operation and maintenance work, according to actual needs , the mobile power supply is required to provide high-power direct current or alternating current, and the output voltage is required to be rich in variety and easy to carry; the power supply used in the field of transmission lines is widely used, and can be used for tree felling, wire crimping, angle iron drilling, welding, UAV battery life, emergency repair lighting, long-term field observation of icing and other work sites.

At present, the lithium battery is used as the power supply in the mobile power box. The power supply is limited by the size and performance. Only a battery pack with an output power of about 1000W can be set, and it cannot provide a high-power power supply of 5000W or more, and the battery is not integrated and adjustable. voltage, cannot support functions such as instant charging, only supports one-time use, and has poor battery life.

Utility model content

The utility model overcomes the deficiencies in the prior art, and the technical problem to be solved is: to provide a multifunctional high-power mobile power supply box for transmission lines that supports high output power, multiple voltage specifications, solar charging, and is convenient to carry; To solve the above technical problems, the technical solution adopted by the utility model is: a multifunctional high-power mobile power box for transmission lines, including a single-chip microcomputer control module, a lithium battery pack, a charge and discharge protection device, and a photovoltaic booster module. The single-chip microcomputer control module The power supply input end of the photovoltaic booster module is connected with the lithium battery pack, the input end of the photovoltaic booster module is connected with the solar panel, and the power supply output end of the photovoltaic booster module is connected with the single-chip microcomputer control module and the lithium battery pack respectively;

The output end of the single-chip microcomputer control module is connected in series with the over-discharge protection module, and then connected with the DC transformer and the inverter respectively.

A voltage sensor is also arranged between the single-chip microcomputer control module and the lithium battery pack.

The single-chip microcomputer control module is also connected with a cooling fan.

The single-chip microcomputer control module is also connected with an air switch.

The single-chip microcomputer control module is also connected with an LED display and a keyboard.

The output power of the lithium battery pack is DC 72V.

The inverter is a DC 72V to AC 220V inverter.

The power output terminals of the DC transformer are respectively provided with a DC 72V to 12V output port, a DC 12V to 5V output port, and a 0-80V adjustable voltage output port.

Compared with the prior art, the utility model has the following beneficial effects: the utility model, as a multifunctional high-power mobile power box applied to transmission lines, can provide large power, rich output voltage and high integration in the operation and maintenance of transmission lines , Full-featured, and supports solar charging, strong battery life, easy to carry for mobile work, while meeting general transmission line operations, it can also be used as a power supply platform for other types of transmission line operation tools, with high compatibility.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the circuit structure schematic diagram of the present utility model;

Among them, 1 is the single-chip microcomputer control module, 2 is the lithium battery pack, 3 is the charge and discharge protection device, 4 is the photovoltaic booster module, 5 is the solar panel, 6 is the over-discharge protection module, 7 is the DC transformer, and 8 is the inverter Device, 9 is a voltage sensor, 10 is a cooling fan, and 11 is an air switch.

Detailed ways

As shown in Figure 1, a multifunctional high-power mobile power box for transmission lines of the present invention includes a single-chip microcomputer control module 1, a lithium battery pack 2, a charging and discharging protection device 3, and a photovoltaic booster module 4, and the single-chip microcomputer control module 1 The power input end of the photovoltaic booster module 4 is connected to the lithium battery pack 2, the input end of the photovoltaic booster module 4 is connected to the solar panel 5, and the power output end of the photovoltaic booster module 4 is connected to the single-chip microcomputer control module 1 and the lithium battery pack 2 respectively;

The output end of the single-chip microcomputer control module 1 is connected in series with the over-discharge protection module 6 and connected with the DC transformer 7 and the inverter 8 respectively.

A voltage sensor 9 is also arranged between the single-chip microcomputer control module 1 and the lithium battery pack 2 .

The single-chip microcomputer control module 1 is also connected with a cooling fan 10 .

The single-chip microcomputer control module 1 is also connected with an air switch 11 .

The single-chip microcomputer control module 1 is also connected with an LED display screen and a keyboard.

The output power of the lithium battery pack 2 is DC 72V.

The inverter 8 is a DC 72V to AC 220V inverter.

The power output terminals of the DC transformer 7 are respectively provided with a DC 72V to 12V output port, a DC 12V to 5V output port, and a 0-80V adjustable voltage output port.

The utility model is used as a working portable power supply box. The circuit wiring and component distribution in the box are reasonable and compact. The control unit is integrated on a circuit board by setting a single-chip microcomputer control module 1. The specification of the power supply box designed and used is 460 mm x 420 mm x 180 mm. mm, the weight of the box is 15KG, which makes the whole power box more portable and can be used in field operations.

The lithium battery pack 2 adopted in the utility model is: use 100 18650 type batteries with a capacity of 2650mh, 5C discharge, and 3.7V, and use 5 parallel 20 strings to form a 72V large-capacity, high-power lithium battery pack. The maximum output power can reach 5000W; the lithium battery pack 2 can provide a large current power output for a heavy load load, and by setting a charge and discharge protection device 3, that is, a protection board is installed in the battery pack to prevent the battery from being overcharged and overcharged. put, the power supply has high stability.

As a power supply box with charging function, the utility model is equipped with a solar battery panel 5 outside the power supply box. The power output end of the solar battery panel is connected with a photovoltaic booster module 4, which can convert the collected solar energy into corresponding The charging power supply is used to charge the lithium battery pack 2; by setting the solar panel 5, the power box has the ability to charge and discharge multiple times, and the battery life of the power box is improved; The function of charging into 220V mains AC power supply.

The over-discharge protection module 6 is installed between the single-chip microcomputer control module 1 and the DC transformer 7, which can ensure the safe discharge of the lithium battery pack and avoid damage to the circuit due to low voltage.

The DC transformer 7 is used as a transformer at the DC output end, which can convert the electric energy inside the lithium battery into DC output of various specifications; the adjustable step-down DC-DC converter is used as the DC transformer 7, and the voltage of the battery pack can be adjusted. Any required DC voltage from 0-72V, the maximum passing current is 60A, to realize the charging and power supply of DC electric tools or battery packs with different voltage levels, in order to ensure the common DC power output, 12V and 5V can be specially set of the power output.

The inverter 8 is used as a device for converting direct current to alternating current, and adopts an inverter with a maximum load power of 5000W, which can convert the direct current of the battery pack into a stable 220V alternating current to provide stable alternating current for high-power electrical appliances.

The utility model is additionally provided with other accessories according to the actual situation, the voltage sensor 9 can collect the remaining power of the lithium battery pack 2, and can remind the staff to charge in time when the power is insufficient; in order to ensure the normal operation of the power box, a cooling fan is usually provided 10. Distribute the heat generated by the lithium battery pack 2 out of the box in time; if the power box encounters an accident or emergency during the charging and discharging process, the air switch 11 can be cut off at any time to protect the circuit and the battery.

The surface of the power supply box of the utility model is provided with an LED display screen and an operating keyboard connected to the single-chip microcomputer control module 1. According to actual needs, when connecting an electrical appliance with a specific power consumption, the power plug of the electrical appliance can be connected to the specific voltage of the power box. The output terminal is connected, and the LED display will display the remaining power of the lithium battery pack 2 at this time, the value of the battery output voltage, and the value of the adjustable voltage. have a certain degree of freedom.

The utility model is provided with the use parameter detail of each interface port of panel as follows:

Main power switch: set to an air switch that limits the DC current to no more than 60A;

220V AC voltage output terminal: it is the AC 220V power source transferred through the built-in inverter device, the maximum output power is 5000W;

Solar charging port: It is the input terminal of DC 9-60V to 12-80V boost module, and the maximum charging power is 600W;

DC charging port: AC 220V becomes DC 84V charging port through a dedicated lithium battery converter;

12V DC interface: it is the output port of the 48V-80V to 12V converter, and the current limit is 10A;

5V DC interface: two USB interfaces for 12V to 5V, limited current 10A;

Voltage adjustment device: through the built-in knob, the output can be adjusted to any DC voltage of 0-80V, and the maximum current is 50A.

In order to ensure the safe use of the power supply box, the utility model needs to monitor the voltage and current of the power supply and the temperature of the control fan in real time. According to actual needs, a temperature sensor can be installed on the cooling fan, and the sensor can be connected with the single-chip control module.

The operation and maintenance work of transmission lines is mostly carried out in areas where it is inconvenient to take electricity outdoors. The utility model provides power for new electric tools and high-power electric tools that need to be used in the line operation and maintenance work, and can be used for electric saws, electric drills, Angle grinders and other high-power electric tools provide reliable and long-term working power, and can be used as emergency backup power for multiple computers, printers, copiers, supply power to DC electric tools with different voltage requirements, and can support solar charging. It can be used as an outdoor power supply device for UAV systems, greatly improving the endurance of UAV systems.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (8)

1. a kind of transmission line of electricity multifunctional high-power mobile electrical power box, it is characterised in that：Including single chip control module（1）, lithium Battery pack（2）, charging and discharging protection device（3）, photovoltaic boost module（4）, the single chip control module（1）Power input With lithium battery group（2）It is connected, the photovoltaic boost module（4）Input terminal and solar panel（5）It is connected, photovoltaic boosting mould Block（4）Power output end respectively with single chip control module（1）, lithium battery group（2）It is connected；

The single chip control module（1）Output terminal concatenation Cross prevention module（6）Afterwards respectively with commutator transformer（7）, it is inverse Become device（8）It is connected.

2. a kind of transmission line of electricity multifunctional high-power mobile electrical power box according to claim 1, it is characterised in that：The list Piece machine control module（1）With lithium battery group（2）Between be additionally provided with voltage sensor（9）.

3. a kind of transmission line of electricity multifunctional high-power mobile electrical power box according to claim 2, it is characterised in that：The list Piece machine control module（1）It is also associated with radiator fan（10）.

4. a kind of transmission line of electricity multifunctional high-power mobile electrical power box according to claim 3, it is characterised in that：The list Piece machine control module（1）It is also associated with air switch（11）.

5. a kind of transmission line of electricity multifunctional high-power mobile electrical power box according to claim 4, it is characterised in that：The list Piece machine control module（1）It is also associated with LED display and keyboard.

6. a kind of transmission line of electricity multifunctional high-power mobile electrical power box according to claim 1, it is characterised in that：The lithium Battery pack（2）Out-put supply is direct current 72V.

7. a kind of transmission line of electricity multifunctional high-power mobile electrical power box according to claim 6, it is characterised in that：It is described inverse Become device（8）Turn alternating current 220V inverter for direct current 72V.

8. a kind of transmission line of electricity multifunctional high-power mobile electrical power box according to claim 6, it is characterised in that：It is described straight Convertor transformer（7）Power output end be respectively arranged with that direct current 72V turns 12V output ports, direct current 12V turns 5V output ports, 0- 80V adjustable voltage output ports.