CN204391184U - A kind of battery combination being applied to fork truck and starting - Google Patents

Abstract

A kind of battery combination being applied to fork truck and starting, be made up of battery module, cylindrical lithium battery is arranged in support, cylindrical lithium battery positive pole homonymy, cylindrical lithium battery negative pole homonymy, with interior insert-type copper nut and insulation projection on support, support is provided with two shaping nickel sheet, shaping nickel sheet is with four lugs, and the some face of weld of two shaping nickel sheet is connected with the positive pole of post lithium battery and cathode pot-welding respectively, the some face of weld is with porose; Be connected by conducting copper bus between battery module with battery module, conducting copper bus be bolted shaping nickel sheet and with on support in insert-type copper nut be fixedly connected with, conducting copper bus is outside equipped with cover plate.The utility model has large current discharging capability, selected cylinder type lithium battery has that capacity is large, volume is little, can heavy-current discharge, fastness is reliable, fail safe is high, have extended cycle life.

Description

A battery combination applied to forklift starting

technical field

The utility model relates to a battery combination, in particular to a battery combination used for starting a forklift.

Background technique

Starting battery, a lithium-ion battery/lead-acid battery/nickel-metal hydride and nickel-cadmium battery specially used for starting, lighting, ignition and power supply of vehicles, ships and aircraft. Generally refers to the car battery, or car start battery. Mostly, the rated capacity C of the rated battery is about 36-210A·h. Summary of the characteristics of the new starter battery:

1. Ultra-fast charging: charging for 10 seconds to 10 minutes can reach more than 95% of its rated capacity;

2. Ultra-large current discharge: high-current discharge capacity is super strong, energy conversion efficiency is high, process loss is small, and high-current energy cycle efficiency is ≥ 90%;

3. Ultra-low internal resistance;

4. Ultra-wide temperature resistance: good ultra-low temperature characteristics, wide temperature range -40℃～+70℃;

5. Ultra-long life: the number of deep charge and discharge cycles can reach 10,000 to 500,000 times, and there is no "memory effect".

In recent years, with the development of lithium battery technology, more and more sight-seeing cars, instruments and meters, machinery and equipment and other fields use lithium batteries, and starter batteries can also be found in the market. With the enhancement of national and government environmental protection awareness, lithium batteries will definitely have a bright future in the market.

Contents of the invention

The purpose of the utility model is to provide a kind of battery combination applied to forklift starting, which improves the discharge capacity of the cylindrical lithium battery to the limit value.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a battery combination used for starting a forklift, which is composed of a battery module, including a cylindrical lithium battery, which is characterized in that: the cylindrical lithium battery is installed in the bracket, and the positive electrode of the cylindrical lithium battery is On the same side, on the same side as the negative electrode of the cylindrical lithium battery, there are embedded copper nuts and insulating protrusions on the bracket, two formed nickel sheets are installed on the bracket, the formed nickel sheet has four tabs, and the points of the two formed nickel sheets The welding surfaces are respectively connected to the positive and negative poles of the column lithium battery by spot welding, and there are holes on the spot welding surface; the battery module is connected to the battery module through a diversion copper bar, and the diversion copper bar is connected with a formed nickel sheet by bolts and connected to the battery module. The embedded copper nut on the bracket is fixedly connected, and the diversion copper bar is provided with a cover plate outside.

The utility model has a large current discharge capacity, and the selected cylindrical lithium battery has a large capacity, a small volume, can discharge a large current, is firm and reliable, has high safety, and has a long cycle life.

Description of drawings

Figure 1 is an exploded view of the module of the present invention.

Fig. 2 is a schematic diagram of the module connection structure of the present invention.

Fig. 3 is the schematic diagram of the structure of the molded nickel sheet of the utility model.

Fig. 4 is a schematic diagram of the structure of the bracket of the present invention.

Fig. 5 is a structural diagram of the diversion copper bar of the present invention.

In the attached drawings: 1. Formed nickel sheet; 2. Bracket; 3. Cylindrical lithium battery; 4. Bolt; 5. Cover plate; 6. Insulation protrusion; .

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:

The utility model is shown in Fig. 1, Fig. 2 and Fig. 3. It is a battery combination applied to forklift starting. It consists of battery modules, including a cylindrical lithium battery 3, which is installed in the bracket 2, and The positive pole is on the same side, the negative pole of the cylindrical lithium battery 3 is on the same side, and the support 2 has an embedded copper nut and an insulating protrusion 6, as shown in Figure 4: two formed nickel sheets 1 are installed on the support 2, and the formed nickel sheet 1 has a There are four tabs, and the spot welding surfaces 8 of the two formed nickel sheets 1 are respectively connected to the positive and negative poles of the column lithium battery 3 by spot welding, and the spot welding surfaces 8 have holes; as shown in Figure 2 and Figure 5: the battery The module and the battery module are connected by a diversion copper bar 7. The diversion copper bar 7 is connected with a formed nickel sheet 1 through a bolt 4 and is fixedly connected with the embedded copper nut on the bracket 2. The diversion copper bar 7 is provided with a cover plate 5.

The above-mentioned embodiment is only to describe the preferred implementation of the present utility model, not to limit the design and protection scope of the present utility model. Various modifications and improvements made in the technical solution of the utility model shall fall within the scope of protection of the utility model.

Example

A battery combination used for starting forklifts, characterized in that: the bracket is provided with embedded copper nuts and insulating protrusions, the cylindrical lithium battery is placed in the bracket in parallel, and after positive and negative spot welding with the formed nickel strip, Lead out four tabs in four directions of the bracket, fix the protruding tabs on the embedded copper nuts of the bracket with bolts, connect them in series with diversion copper strips, and finally insert the cover plate into the slot of the bracket. According to the theory of discharge capacity of cylindrical lithium battery, it can discharge continuously at 500 amperes and instantaneous discharge at 1000 amperes. The structure of the utility model is shown in the figure. According to the start-up battery combination, the cylindrical lithium battery 3 is loaded into the bracket 2 in parallel, and the positive and negative poles of the cylindrical lithium battery 3 are respectively paralleled together by the formed nickel strip 1. , the positive pole and the negative pole are respectively connected in parallel to lead out four tabs, which are used as the total positive pole or total negative pole of the parallel module. When the parallel module is connected in series, use the diversion copper bar 5 and the bolt 4 to connect. The lithium battery 3 is connected to the formed nickel strip 1 by spot welding, and the serial connections between the modules are connected by bolts 4 and diversion copper bars 5. The bracket 2 is made of ABS material, and the structure is stable and cheap, and the thermoplastic type is good. The formed nickel strip 1 is Commonly used materials in lithium battery connections are easy to process, and the diversion copper bar 5 is tin-plated for anti-oxidation treatment, which can play a good role in heat dissipation and diversion.

Claims (1)

1. the battery combination being applied to fork truck and starting, be made up of battery module, comprise cylindrical lithium battery (3), it is characterized in that: cylindrical lithium battery (3) is arranged in support (2), cylindrical lithium battery (3) positive pole homonymy, cylindrical lithium battery (3) negative pole homonymy, with interior insert-type copper nut and insulation projection (6) on support (2), support (2) is provided with two shaping nickel sheet (1), shaping nickel sheet (1) is with four lugs, the point face of weld (8) of two shaping nickel sheet (1) is connected with the positive pole of post lithium battery (3) and cathode pot-welding respectively, the upper band of the some face of weld (8) is porose, be connected by conducting copper bus (7) between battery module with battery module, conducting copper bus (7) is connected with shaping nickel sheet (1) by bolt (4) and is fixedly connected with the interior insert-type copper nut on support (2), and conducting copper bus (7) is outside equipped with cover plate (5).