WO2016076608A1

WO2016076608A1 - Floor shining machine

Info

Publication number: WO2016076608A1
Application number: PCT/KR2015/012066
Authority: WO
Inventors: 신준
Original assignee: 주식회사 엠이티
Priority date: 2014-11-11
Filing date: 2015-11-10
Publication date: 2016-05-19
Also published as: KR20160056078A

Abstract

The present invention relates to a floor shining machine comprising a battery, which is configured to be charged by a voltage supplied from the outside and to supply the voltage to a motor installed inside the floor shining machine, and which is configured by lithium secondary batteries. The configuration of the present invention is as follows: a floor shining machine comprises a battery, which is configured to be charged by a voltage supplied from the outside and to supply the voltage to a motor installed inside the floor shining machine, and the battery comprises multiple lithium secondary batteries connected in series or in parallel, an overcharging prevention module connected to the lithium secondary batteries so as to prevent the lithium secondary batteries from being overcharged by an external power supply, and a balancing module connected to the lithium secondary batteries so as to balance cells of respective lithium batteries. According to the present invention, which is configured as above, firstly, the battery, which is configured to be charged by a voltage supplied from the outside and to supply the voltage to a motor installed inside the floor shining machine, is configured by lithium secondary batteries such that the lightweight and stable battery configuration enables stable and efficient use of the floor shining machine. Secondly, configuring the battery using lithium ion batteries or lithium iron phosphate batteries overcomes the problem of inefficient use of the floor shining machine, which results from unnecessary size and weight of the battery, and guarantees stable and efficient use. Thirdly, the configuration for driving the motor using lithium ion batteries or lithium iron phosphate batteries prevents the battery from being damaged, even during use, thereby guaranteeing stable use, and enables convenient battery replacement, when the battery is to be replaced, thereby guaranteeing convenient use.

Description

Floor polisher

The present invention relates to a floor polisher, and more particularly, a battery that is configured to charge a voltage supplied from the outside to supply a voltage to a motor installed inside the floor polisher by configuring a plurality of lithium iron phosphate batteries, which is light and high in stability. It relates to a floor polisher that can achieve a stable and efficient use through the configuration of.

In general, the floor polisher refers to an apparatus configured to rotate a pad provided to be in contact with the floor through a motor and to form gloss on the floor by rotational friction of the pad and the bottom surface.

As described above, the floor polisher for the gloss of the floor surface refers to a device for achieving the gloss of the inner and outer floor surface of the building formed of marble, etc., among these devices of the pad coupled to the lower end of the motor rotating at high speed It refers to a device that can achieve the gloss of the bottom surface through rotation.

Such a floor polisher is usually constructed by combining a motor for rotating a pad making contact with a floor and an electrical structure that can electrically control the motor.

For example, conventionally, as in

Documents

1 and 2, a floor polisher having a configuration capable of smoothly rotating a pad connected to a motor has been proposed.

However, such a conventional floor polisher was used by applying a battery using a gas or lead battery, and there was a difficulty in using a floor polisher due to unnecessary weight increase due to the large size and heavy structure of the battery. Due to this, as well as the occurrence of unnecessary stress of the use environment, there was a problem that it is difficult to achieve the floor polish work accordingly.

The present invention has been made to solve the above-mentioned problems, the battery is configured to charge the voltage supplied from the outside to supply the voltage to the motor installed inside the floor polisher by configuring a lithium iron phosphate battery light and high stability battery Through the configuration of the floor polisher to achieve a convenient and efficient use is provided.

And another object of the present invention is to configure the drive of the motor using a battery consisting of lithium iron phosphate battery to prevent damage to the battery even during use and to achieve a stable use, if you want to achieve replacement of the battery It provides a floor polisher for convenient battery replacement.

In order to achieve the above object, the present invention, in the floor polisher including a power supply device configured to charge the voltage supplied from the charger to the motor installed inside the floor polisher, the power supply device is a plurality of lithium secondary The battery is connected in series or in parallel, an overcharge preventing module connected to the battery to prevent overcharging of the voltage of the charger to the lithium secondary battery, and connected to the lithium secondary battery to connect each cell of the lithium secondary battery. The main battery controller includes a battery management system module having a balancing module configured to be balanced, a display module for detecting a charge and discharge state of the battery, and a plurality of switches for adjusting the voltage of the battery supplied to the motor. It may be configured to include.

In this case, the balancing module may be configured to be connected to a plurality of lithium secondary batteries constituting the battery, respectively, and to maintain charge at a predetermined voltage in each of the lithium secondary batteries by comparing the voltage input from the charger with a predetermined voltage.

In addition, the lithium secondary battery may be composed of a lithium iron phosphate battery.

And, when the battery is configured by connecting a plurality of lithium iron phosphate battery, it may be configured to achieve a weight of less than 100 ~ 130kg.

In addition, the motor may be configured as an A / C motor.

The present invention as described above can obtain the following effects.

First, the battery composed of lithium iron phosphate battery is configured to charge the voltage supplied from the charger to the motor installed inside the floor polisher, thereby making it possible to use a stable and efficient floor polisher through the construction of a light and stable battery. Can be achieved.

Second, by applying the battery as a lithium iron phosphate battery, it is possible to achieve stable and efficient use, overcoming the problem that the use of the floor polisher is not smooth due to unnecessary size and weight of the battery.

Third, by using the lithium iron phosphate battery pack with a built-in battery management system to drive the motor to prevent damage to the battery even during use to achieve a stable use, convenient when you want to replace the battery It is possible to achieve convenient use with battery replacement.

Figure 1 is a schematic diagram showing the configuration of the floor polisher connected.

Figure 2 is a schematic diagram showing a motor and battery connection of the floor polisher.

3 is a circuit diagram showing a connection state of a battery and a motor according to the present invention.

Figure 4 is an enlarged circuit diagram of the main portion extract showing a state in which the battery and the battery management system module is connected according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings as follows.

Prior to the above description, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

First, the configuration of the present invention will be described with reference to FIGS.

As shown in FIGS. 1 and 2, the bottom polisher 1 is connected to the pad 4 such that the handle 5 provided therein is rotatable through the motor 2 provided inside the connection case 3. And, it is configured to be made so that the polishing process using the frictional force according to the rotation of the pad 4 to the bottom surface to achieve the gloss through the process of rotating the pad 4 in accordance with the rotation of the motor 2 will be.

For example, a power supply device 100 capable of supplying a voltage to a motor 2 installed inside the bottom polisher 1 by charging a voltage supplied from the charger 10 is configured as shown in FIG. Likewise, after the battery 110 charges the voltage of the charger 10, the power distribution panel 20, the motor controller 30, the instrument panel 40, and the like, which are provided inside the case 3, are charged using the charged voltage. It is configured to make an electrical connection to enable operation.

At this time, the floor polisher according to the present invention as shown in Figure 3 and 4, the configuration of the power supply device 100, a plurality of lithium secondary battery 111 is connected to the battery 110 in series or in parallel And an overcharge prevention module 121 connected to the battery 110 to prevent the voltage of the charger 10 from being overcharged to the lithium secondary battery 111, and the lithium secondary battery 111 connected to the lithium secondary battery 111. The battery management system module 120 having the balancing module 122 configured to balance the cells of the secondary batteries 111 and the display module 131 for detecting the charge and discharge states of the battery 110 are provided. It is configured to include a main controller 130 is provided with a plurality of switches 132 to adjust the voltage of the battery 110 supplied to the motor (2).

For example, as illustrated in FIG. 3, the battery 110 of the power supply device 100 may be charged in series or in series such that a plurality of lithium secondary batteries 111 may be charged through a voltage input from the charger 10. It is composed of parallel connection.

In particular, as shown in FIGS. 3 and 4, the battery 10 is compared with a preset voltage even when a plurality of lithium secondary batteries 111 are charged through a voltage input from the charger 10. 3, which is configured to be electrically connected to a balancing module 122 configured to maintain a predetermined voltage in each of the secondary batteries so that charging can be maintained, and is illustrated in FIG. 3 to charge the lithium secondary battery 111. As described above, even when the voltage of the charger 10 is supplied, the overcharge prevention may be prevented that the voltage of the charger 10 is excessively supplied to the lithium secondary battery 111 to prevent the lithium secondary battery 111 from being overcharged. It is configured to be electrically connected to the module 121.

Such a configuration is provided with the above-described balancing module 122 and the overcharge prevention module 132 in the battery management system module 120 electrically connected to the battery 10 constituting the power supply 100 is the battery 10 ) And the battery management system module 120 is configured to be made through the electrical connection.

Referring to the configuration of the battery 110 as described above in more detail, as shown in Figure 3 showing a plurality of lithium secondary battery 111 constituting the battery 110, to be charged using the voltage of the charger 10 It is preferable to configure so that it is possible, but in order to achieve such a configuration is not described in detail in the present invention, it is more preferable to comprise a voltage terminal for receiving a voltage input from the charging relay, the charger.

In addition, the overcharge prevention module 121 is provided in the battery management system module 120 to prevent the battery 110 from being overcharged by the battery 110, as shown in FIG. 3. By providing a plurality of prevention modules (121, 121a) it is possible to achieve a more secure charging of the battery.

Meanwhile, when the balancing module 122 of the battery management system module 120 described above is connected to the plurality of lithium secondary batteries 111 constituting the battery, the plurality of lithium secondary batteries connected in series or in parallel. By maintaining the uniform capacity of the 111 to maintain the overall balance of the plurality of lithium secondary batteries 111 connected in series or in parallel, the use of a battery composed of the lithium secondary battery 111 can be made smoothly. It is to ensure that.

At this time, the balancing module 122 is connected to each of the lithium secondary battery 111 individually, and then connected to the plurality of lithium secondary battery 111, that is connected in series or in parallel, that is, the entire battery 110 configured as described above It can be used by connecting and configuring the balancing module 122 that can be protected, and connect the plurality of lithium secondary batteries 111 in parallel or in series, and then connect and use the balancing module 122 that can protect them as a whole. As a matter of course, the configuration of the balancing module 122 may be applied according to a user's selection.

That is, the balancing module 122 is provided in the lithium secondary battery 111 constituting the battery 10, respectively, or after connecting a plurality of lithium secondary battery 111 in parallel or in series, the entire battery 110 The balancing module 122 may be electrically connected to be used to balance the balance of the balancing module 122. The configuration of the balancing module 122 may include the capacities of the plurality of lithium secondary batteries 111 connected to form the battery 110. If the balancing module 122 can maintain a uniform, it can be used in various configurations by the user's selection and electrically connected to the battery 110.

In addition, the overcharge protection module 121 is configured to prevent the life of the plurality of lithium secondary batteries 1110 connected in series or in parallel due to unnecessary overcharging is configured in such a configuration that the overcharge protection module 121 is in series Alternatively, if overcharge of the plurality of lithium secondary batteries 121 connected in parallel can be applied in various configurations according to the user's selection.

In addition, as shown in Figure 3, the battery 110 is a regulator even when configured to make an electrical connection with the balancing module 122 and the overcharge protection module 121 provided in the battery management system module 120. It is configured to be connected to the (REGULATOR) can be configured so that the user can stably maintain the internal voltage of the battery 110 without having to specify the voltage.

In addition, as shown in FIG. 3, the balancing module 120 includes a display module 131 capable of detecting a charge / discharge state of the battery 110 and a battery 110 supplied to the motor 2. It is configured to be electrically connected to the main controller 130 is provided with a plurality of switches 132 that can adjust the voltage of the).

In this configuration, as shown in FIGS. 1 to 3 through the configuration of the main controller 130, by displaying the charge and discharge state of the battery 110 to the instrument panel 40 is connected to the battery 110, the user To recognize and achieve a stable use of the battery (110).

That is, although not shown and described in detail in the present invention, the main controller 130 to form a floor polisher (1) so that the main controller 130 to check the charge and discharge state of the battery 110 through the main controller 130 ( It is configured to be electrically connected to 40, the voltage of the battery 110 in the direction of the motor controller 30 is connected to the motor 2 to be smoothly transmitted to the motor (2) through the motor controller 30 ) Will be configured to be driven.

In addition, the battery 110 described above is composed of a lithium iron phosphate battery.

This is because the conventional floor polisher 1 is configured to drive the engine of the motor 2 provided inside the floor polisher 1 by using a large and heavy lead-acid battery or using GAS. In order to prevent the problem of increasing the size and weight of the battery due to the characteristics of the battery, it is to enable a stable use by reducing the overall weight and volume of the floor polisher through this configuration.

In addition, as described above, even when the battery 110 is composed of a plurality of lithium iron phosphate battery, the battery 110 is configured to achieve a weight of 100 ~ 130kg or less by the battery ( Even when the 110 is provided, the weight of the bottom polisher 1 is increased due to the unnecessary weight of the battery 110 to prevent the user from achieving a smooth use of the bottom polisher 1.

Accordingly, when the lithium secondary battery 111 forming the battery 110 is used as a lithium iron phosphate battery, the battery 110 may be configured while increasing the stability (reduction of explosion risk) of the entire battery 111. It is possible to obtain a cost reduction effect, which is due to the feature that the lithium iron phosphate battery is composed of iron, which is higher in price and stability than cobalt or manganese as a cathode material, higher stability and cost than when applying a lithium ion battery This is because the reduction effect can be obtained.

This, in the case of the lithium iron phosphate battery described above has the advantage that there is no risk of explosion unlike conventional batteries using iron as a positive electrode, a large difference from the case of applying a lithium ion battery in energy density or charge / discharge time There is no safety and low energy density, even when used to achieve a battery has the advantage of high efficiency and stability is excellent, by using the characteristics of the lithium iron phosphate battery lithium secondary battery forming the battery 110 Even if it is to configure the paper is to use a lithium iron phosphate battery, not a lithium ion battery.

Accordingly, when the lithium secondary battery 111 of the battery 110 described above uses a lithium iron phosphate battery, high stability and cost reduction effect can be obtained, and the efficiency of the overall floor polisher 1 can be improved. Will be.

However, the configuration of the battery 110 using the lithium iron phosphate battery as described above can of course be changed by the user appropriately according to the user's working environment or the place or purpose of use.

In addition, the motor 2 applied to the floor polisher 1 of the present invention driven through the voltage of the battery 110 is configured as an A / C motor.

This is to prevent the problem of shortening the life of the motor and reducing noise and rotation efficiency when applying the D / C motor in the conventional floor polisher, but it is difficult to control the torque or speed of the motor, but for a long time In the present invention, in order to use the characteristics of the A / C motor which can obtain a higher efficiency than the D / C motor, the motor driven through the voltage of the battery 110 is configured as an A / C motor. will be.

While the invention has been shown and described with respect to particular embodiments, it is to be understood that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as provided by the following claims. It will be obvious to those of ordinary skill.

Claims

In the floor polisher including a power supply device 100 is configured to charge the voltage supplied from the charger 10 to supply to the motor (2) installed inside the floor polisher (1),

The power supply device 100

The battery 110 is a plurality of lithium secondary battery 111 is connected in series or in parallel,

An overcharge prevention module 121 connected to the battery 110 to prevent the voltage of the charger 10 from being overcharged to the lithium secondary battery 111, and the lithium secondary battery 111 connected to the lithium secondary battery 111. A battery management system module 120 having a balancing module 122 configured to balance each cell of the battery 111;

The main controller is provided with a display module 131 for detecting the charging and discharging state of the battery 110, and a plurality of switches 132 for adjusting the voltage of the battery 110 supplied to the motor 2. Floor polisher comprising a 130.
The method of claim 1,

The balancing module 122 is

Charge is maintained at a predetermined voltage for each of the lithium secondary batteries 111 by comparing the voltage input from the charger 10 to each of the plurality of lithium secondary batteries 111 constituting the battery 110 with a preset voltage. Floor polisher, characterized in that configured to.
The method of claim 1,

The lithium secondary battery 111 is a floor polisher, characterized in that consisting of lithium iron phosphate battery.
The method according to claim 1 or 3,

When the battery 110 is configured by connecting a plurality of lithium iron phosphate battery, floor polisher, characterized in that configured to achieve a weight of less than 100 ~ 130kg.
The method of claim 1,

The motor is a floor polisher, characterized in that consisting of the A / C motor.