WO2014065454A1

WO2014065454A1 - Electric device connected with external adaptor and motor system

Info

Publication number: WO2014065454A1
Application number: PCT/KR2012/008998
Authority: WO
Inventors: 배종홍; 이섬규
Original assignee: 주식회사 코아리버
Priority date: 2012-10-25
Filing date: 2012-10-30
Publication date: 2014-05-01
Also published as: KR20140053437A; KR101394614B1

Abstract

An electric device connected with an external adaptor, and a motor system are disclosed. The motor system relates to a motor system, comprising: an external adaptor converting AC power to DC power to provide input power; and a motor device for driving a motor using the input power. The motor device comprises: a first connection unit connected with the external adaptor to receive the input power; a power conversion unit converting the input power to the DC power corresponding to the required capacity of the motor device to generate the converted power; and a load unit for driving the motor by using the converted power. Thus, according to the electric device connected with the external adaptor and the motor system, a resource and a cost due to separate manufacturing of a customized power conversion device corresponding to each electric device can be reduced since a power supply can be constituted by using the standardized and mass-produced arbitrary adaptor.

Description

Electrical and motor systems with external adapters

The present invention relates to an electric device and a motor system connected to an external adapter, and more particularly, to an electric device and a motor system connected to the external adapter, which is powered from an external adapter.

Recently, various electric devices such as mobile phones, PDAs, and notebook computers are used. In order to supply the DC power required for such electrical equipment, a power converter for converting household AC power into DC power is used together with the electrical equipment.

In this regard, the power conversion device connected to the general electrical equipment is the same as Korea Utility Model Publication "No. 20-0248044".

In this case, since the use, type, and manufacturer of the electric device differs in the capacity, voltage, and current value of the power source required for the electric device, accordingly, various power converters for providing power capacity suitable for the electric device may be manufactured separately, It is mounted inside the electric device.

As such, the difference in capacity between the power converters is large, and if an incorrectly connected power converter is connected to the electric device, the electric device may not perform a function or a charging error, a system malfunction, or a failure may occur. In particular, when using a power converter that can supply only a small capacity to the electrical equipment that requires a large capacity may damage the power converter or electronic equipment.

Therefore, the shape of the power supply jack of the power converter and the connection port of the electric device is designed and manufactured differently according to the type, required capacity, manufacturer, or the like of the electric device, or as shown in FIG. The matching power supply circuit 12 is mounted inside the electric device 10 at all, and the external AC power supply (ADD, ASS) is converted into a suitable DC power supply (VDD (IVV), GND (IGG)) to load circuit 11 To feed.

Accordingly, there are the following problems in the prior art as described above.

By manufacturing a customized power conversion device for each electric device or mounting it therein, resources and costs for producing a power unit are inevitably consumed.

In addition, even if the shape of the power supply jack and the connection port is the same, if the supply capacity of the power converter is inadequate for the electrical device, it may cause a failure and shorten the life of the device, and may confuse the user.

Accordingly, the present invention is to provide an electric machine and a motor system capable of being supplied with power from any adapter commercially available to be drawn out to solve the above conventional problems.

A motor system according to an embodiment of the present invention for achieving the above object is a motor including an external adapter for converting AC power into DC power to provide an input power and a motor device for driving the motor using the input power. A system comprising: a first connection unit connected to the external adapter to receive input power, and a power conversion unit converting the input power into a DC power corresponding to a required capacity of the motor device to generate converted power; And a load unit for driving the motor with the converted power source.

On the other hand, the motor device may be connected to an external adapter for providing input power of a predetermined supply capacity different from the required capacity.

In addition, a power conversion unit generates a signal for generating a conversion signal for converting the input power to the conversion power by comparing the input power detection unit for sensing the supply capacity of the input power, the detected supply capacity and the predetermined required capacity. And a switching unit for switching the input power according to the conversion signal to generate the conversion power corresponding to the required capacity.

The supply capacity may include any one or more of the voltage value, the current value, and the power value of the input power supply, and the necessary capacity includes one or more of the qualified voltage value, the qualified current value, and the qualified power value of the motor device. can do.

In addition, the motor device may further include a second connection part capable of connecting with an external electric device to provide the converted power to the external electric device.

The motor device may further include a controller configured to control on / off of the connection of the external electric device from the second connection unit.

In addition, the external adapter may include a transformer for transforming the input AC power, and a rectifier for converting the transformed AC power into DC power, and the transformer and the rectifier may be configured as a single circuit.

An electrical device according to another embodiment of the present invention for achieving the above object is an electrical device that receives input power from an external adapter for converting AC power into DC power, and is connected to the external adapter to receive input power. 1 connection unit, a power conversion unit for generating a conversion power by converting the input power to a DC power that meets a predetermined required capacity.

On the other hand, the first connection portion can be connected to an external adapter that provides an input power supply of a predetermined supply capacity different from the required capacity.

In addition, the power conversion unit generates a signal for generating a conversion signal for converting the input power to the conversion power by comparing the input power detection unit for sensing the supply capacity of the input power, the detected supply capacity and the predetermined required capacity. And a switching unit for switching the input power according to the conversion signal to generate the conversion power corresponding to the required capacity.

In addition, the supply capacity includes any one or more of the voltage value, current value, power value of the input power, the required capacity includes any one or more of the qualified voltage value, the qualified current value, the qualified power value of the electrical device. can do.

The apparatus may further include a second connection unit which is capable of connecting with a separate external electric device to provide the converted power to the external electric device.

The apparatus may further include a controller configured to control on / off of the connection of the external electric device from the second connector.

According to the electric device and the motor system of the present invention described above, since the power stage can be configured using any standardized and mass-produced adapter, it is possible to save resources and costs by separately manufacturing a power conversion device for each electric device. It can also help to protect the environment.

In addition, the configuration is simpler than the conventional electric equipment equipped with a power conversion device therein can bring a different design.

In addition, even if the shape of the power supply jack and the connection port is the same, if the supply capacity of the power converter is not suitable for the electrical equipment, it may cause a failure and shorten the life of the device, it can solve the conventional problems that may confuse the user have.

1 is a view showing the configuration of a conventional electric machine.

2 is a block diagram showing an electric machine system according to an embodiment of the present invention.

FIG. 3 is a diagram illustrating a configuration of the electric apparatus shown in FIG. 2.

4 is a block diagram showing an electric machine system according to another embodiment of the present invention.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the text.

However, this is not intended to limit the present invention to a specific disclosure, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

The terms "comprise" or "having" in the present application are intended to indicate that there is a feature, step, operation, component, part, or a combination thereof described on the specification, but one or more other features, steps, operations It is to be understood that the present invention does not exclude the possibility of the presence or the addition of elements, parts, or combinations thereof.

In addition, unless otherwise defined, all terms used herein including technical or scientific terms have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

FIG. 2 is a block diagram illustrating an electric device system according to an embodiment of the present invention, and FIG. 3 is a diagram illustrating a configuration of the electric device shown in FIG. 2.

Referring to FIG. 2, the electric device system according to the present embodiment includes an electric device 100 and an external adapter 200.

More specifically, the external adapter 200 of the present embodiment is a power conversion means for converting AC power into DC power, and may be an AC / DC converter or a voltage regulator. The external adapter 200 converts the input AC powers ADD1 and ASS1 into DC power sources VDD (IVV) and GND (IGG) according to the target voltage and the target power. In addition, the external adapter 200 rectifies the transformer 210 and the transformed AC power (ADD2, ASS2) consisting of a transformer circuit for primarily transforming the AC power (ADD1, ASS1) to the DC power supply (VDD (IVV) ), And a rectifier 220 configured as a rectifier circuit for converting to GND (IGG). The transformer 210 and the rectifier 220 may be configured as one single circuit.

On the other hand, the DC power (VDD (IVV), GND (IGG)) converted from the external adapter 200 reaches a power supply jack (not shown) through a cable, and through the power supply jack of the electric device 100 Supplied as input power, the power supply jack is connected to a power connection port (not shown) of the electric device 100 to which power is supplied. Therefore, the power supply jack may be formed in a shape that can be inserted into the power connection port of the electronic device 100 to be fixed.

In particular, the external adapter 200 according to the present embodiment is a commercially available adapter, and any adapter may be used regardless of the type of the electric device.

The electric device 100 according to the present embodiment performs a unique function of the electric device 100 through an input power source that is a direct current power source (VDD (IVV), GND (IGG)) from the external adapter 200. In particular, the electrical device 100 of the present embodiment can be connected to any external adapter 200 that provides an input power supply of a predetermined supply capacity different from the required required capacity, and the input power supply from the external adapter 200 can be connected. It is converted into conversion power supplies VDD '(IVV') and GND (IGG ') having a necessary capacity and supplied to the load.

More specifically, the electric device 100 includes a connection unit 110, a power conversion unit 120 and a load unit 130.

First, the connection unit 110 receives input power VDD (IVV) and GND (IGG) from the external adapter 200. Here, the connection unit 110 may include various power ports, power lines, etc. for receiving input power VDD (IVV) and GND (IGG).

In addition, the power conversion unit 120 converts the input power (VDD (IVV), GND (IGG)) input through the connection unit 110 to the qualified DC power of the electrical device 100 converted power (VDD '(IVV). '), GND (IGG')) and outputs it to the load unit 130. At this time, the power conversion unit 120 may include a converter such as a DC / DC converter, and serves as a system charger.

More specifically, referring to FIG. 3, the power converter 120 includes an input power detector 121, a signal generator 122, and a switching unit 123 to pre-input input power having a predetermined supply capacity. Converts to a DC power source corresponding to the set capacity of the set electrical device 100 and generates a converted power.

Here, the input power detector 121 detects the supply capacity of the input power input from the connection unit 110. Here, the supply capacity may include any one or more of a voltage value, a current value, and a power value of the input power source.

For example, if the supply capacity is the current value of the input power, the input power detector 121 detects the current of the input power. The input power detector 121 may include a first sensing resistor for sensing current according to an embodiment. At this time, the input power detector 121 senses the magnitude of the voltage across the first sense resistor, and since the magnitude of the first sense resistor is fixed, it can sense the current by the formula of V = I * R. .

In addition, the signal generator 122 generates a converted signal for converting the input power to the converted power by comparing the sensed supply capacity with a preset required capacity.

On the other hand, the required capacity includes any one or more of the qualified voltage value, the qualified current value, the qualified power value of the electric device, in advance so that easy comparison with the supply capacity to be input by the input power detector 121 in advance It can be coded and stored in a memory (not shown) of an electrical device.

Therefore, the signal generation unit 122 receives the supply capacity information from the input power detection unit 121, converts the supply capacity information received as an analog signal into a digital signal, and codes the same as the required capacity information to supply the supply capacity and the required capacity. The capacitance is compared, and according to the result, a conversion signal for converting an input power source into a qualified conversion power source of an electric device is generated. The conversion signal is a signal for controlling the switching of the switching unit 123, which will be described later.

In addition, the switching unit 123 generates the converted power by switching the input power according to the converted signal from the signal generator 122.

The switching unit 123 includes a switch S as shown in FIG. 3, and converts power through switching following the conversion signal of the switch S. FIG. The switch S is preferably composed of a transistor such as a FET, but the range is not limited as long as it can function as a switching function.

In addition to the switch S, the switching unit 123 may include elements such as an inductor Lf and capacitors Cin and Cf.

Specifically, referring to FIG. 3, in the switching unit 123, the switch S may be connected to an input terminal of the switching unit 123. In this case, one end of the switch S may be connected to the input terminal of the switching unit 123, and the other end of the switch S may be connected to the inductor Lf. The other end of the inductor Lf may be connected to the output end of the switching unit 123. One end of the first capacitor Cin may be connected to an input terminal of the switching unit 123, that is, one end of the switch S, and the other end of the first capacitor Cin may be connected to a ground terminal. One end of the diode Df may be connected to the other end of the switch S, that is, one end of the inductor Lf, and the other end of the diode Df may be connected to the other end of the first capacitor Cin. One end of the second capacitor Cf may be connected to the output end of the switching unit 123, that is, the other end of the inductor Lf, and the other end of the second capacitor Cf may be connected to the other end of the first capacitor Cin. have.

Here, although one circuit configuration of the switching unit 123 has been described, it is sufficient that the switching unit 123 converts the power input through the connection unit 110 into conversion power having a necessary capacity, and the circuit configuration is the above-described example. It is not limited to. That is, since the switching unit 123 includes the above-described converter, it is, of course, included in the scope of the present invention as long as it can serve as a converter.

Referring back to FIG. 2, the load unit 130 includes each unit for performing a unique function of the electric device 100 except for the connection unit 110 and the power conversion unit 120, and in the power conversion unit 120. The converted conversion power supplies VDD '(IVV') and GND (IGG ') are input. For example, when the electric device 100 is a motor device, the load unit 130 drives the motor with conversion power supplies VDD '(IVV') and GND (IGG '). In addition, when the electrical device 100 is a computer, the load unit 130 may include a CPU (Central Processing Unit), RAM, ROM, main board, HDD (Hard Di or Driver), and the like. When 100 is a TV, the load unit 130 may include a screen, a tuner, a scaler, and the like.

On the other hand, if the electrical device 100 includes a configuration that receives input power from any external adapter such as LED lighting device, audio device, video device, small home appliance, as well as motor device, computer, TV, and converts into qualified conversion power source It is not limited to the kind.

Referring to FIG. 4, the electric device system according to the present embodiment includes an electric device 100 and an external adapter 200.

The external adapter 200 according to the present embodiment is a commercially available adapter that converts AC power into DC power, and any adapter may be used regardless of the type of the electric device. In addition, the external adapter may include a rectifier 220 configured as a rectifier circuit and a transformer 210 configured as a transformer circuit, and the rectifier 220 and the transformer 210 may be configured as one single circuit. .

In addition, the electric device 100 performs a unique function of the electric device 100 through an input power source that is a direct current power source from the external adapter 200. In particular, the electrical device 100 of the present embodiment can be connected to any external adapter 200 that provides an input power supply of a predetermined supply capacity different from the required required capacity, and input power from the external adapter 200 ( The VDD (IVV) and the GND (IGG) are converted into the conversion power supplies VDD '(IVV') and GND (IGG ') having the necessary capacity, and are provided to the load.

More specifically, the electric device 100 may include a first connection unit 110 that receives input power VDD (IVV) and GND (IGG) from an external adapter 200, input power VDD (IVV), and GND (IGG). And a power conversion unit 120 and a load unit 130 for converting the power into a DC power supply corresponding to a predetermined required capacity to generate converted powers VDD '(IVV') and GND (IGG ').

In particular, the electric device 100 according to the present embodiment may further include a second connection unit 140 capable of connecting with the external electric device 300 to provide the converted power to the external electric device 300. Accordingly, the external electric device 300 may receive the converted power through the second connection unit 140 to use power for various purposes such as charging, and the power is applied to the external electric device 300 by a switch. The device 400 may be controlled on / off.

Meanwhile, detailed configurations and functions of the first connection unit 110, the power conversion unit 120, and the load unit 130 of the present embodiment are the same as those described with reference to FIGS. 2 and 3, and thus descriptions thereof will be provided with reference to FIGS. 2 and 3. Replace with the description for 3.

In addition, the electrical apparatus 100 receives input power from an arbitrary external adapter 200 such as a motor device, a computer, a TV, an LED lighting device, an audio device, a video device, a small household appliance, and converts it into a qualified conversion power source. If it contains, it is not limited to the kind.

Claims

An external adapter converting AC power into DC power to provide input power; And

A motor system including a motor device for driving a motor using the input power source,

The motor device,

A first connection part connected to the external adapter to receive input power;

A power converter converting the input power into a DC power corresponding to a required capacity of the motor device to generate converted power;

And a load unit for driving the motor with the converted power source.
The method of claim 1,

The motor device

A motor system connected with an external adapter for providing an input power supply of a predetermined supply capacity different from the required capacity.
The method of claim 2,

The power conversion unit

An input power detector configured to detect a supply capacity of the input power;

A signal generation unit for generating a converted signal for converting the input power into converted power by comparing the sensed supply capacity with the predetermined required capacity; And

And a switching unit configured to switch the input power according to the converted signal to generate converted power corresponding to the required capacity.
The method of claim 3, wherein

The supply capacity includes any one or more of the voltage value, current value, power value of the input power source,

And the required capacity includes any one or more of a qualified voltage value, a qualified current value, and a qualified power value of the motor device.
The method of claim 1,

The motor device

And a second connection part capable of connecting with an external electric device to provide the converted power to the external electric device.
The method of claim 5,

The motor device

And a control unit which controls on / off of the connection of the external electric device from the second connection unit.
The method of claim 1,

The external adapter

A transformer for transforming the input AC power and a rectifier for converting the transformed AC power into DC power;

And the transformer and the rectifier are configured in a single circuit.
An electric device that receives input power from an external adapter that converts AC power into DC power,

A first connector connected to the external adapter to receive input power;

And a power converter configured to convert the input power into a DC power corresponding to a predetermined required capacity to generate converted power.
The method of claim 8,

The first connection portion

And an external adapter for providing an input power supply of a predetermined supply capacity different from the required capacity.
The method of claim 9,

The power conversion unit

An input power detector configured to detect a supply capacity of the input power;

A signal generation unit for generating a converted signal for converting the input power into converted power by comparing the sensed supply capacity with the preset required capacity; And

And a switching unit to switch the input power according to the converted signal to generate converted power corresponding to the required capacity.
The method of claim 10,

The supply capacity includes any one or more of the voltage value, current value, power value of the input power source,

The required capacity includes any one or more of a qualified voltage value, a qualified current value, and a qualified power value of the electric device.
The method of claim 8,

And a second connection part capable of connecting with a separate external electric device to provide the converted power to the external electric device.
The method of claim 12,

And a control unit that controls on / off control of the connection of the external electric device from the second connection part.
The method of claim 8,

The external adapter

A transformer converting the input AC power, and a rectifying unit converting the transformed AC power into DC power,

And the transformer and the rectifier are composed of a single circuit.