KR101976718B1 - Method and Apparatus for Controlling Multi-Channel Power Supply - Google Patents

Abstract

Disclosed are a method and an apparatus for controlling multi-channel power supply. According to an embodiment of the present invention, the apparatus for controlling multi-channel power supply, configured to control power supplied via at least one channel, comprises: an output power supply unit for outputting power supplied to the at least one channel; a first switch unit having at least one first switch connected to each channel and provided to turn the first switch on or off such that the power is supplied to or blocked from the at least one channel according to a first switching control signal; a second switch unit having at least one second switch connected to each channel and provided to turn the second switch on or off such that the power is supplied to or blocked from the at least one channel according to a second switching control signal; and a control unit for generating the first and second switching control signals and controlling switching operations of the first switch and the second switch for each channel such that the power is supplied to or blocked from the at least one channel. Accordingly, it is possible to supply the power in a stable manner, thereby enhancing reliability of power supply.

Description

METHOD AND APPARATUS FOR CONTROLLING MULTI-CHANNEL POWER SUPPLY,

The present invention relates to a multi-channel power supply control method and apparatus therefor for supplying or blocking power to a plurality of coils.

The contents described in this section merely provide background information on the embodiment of the present invention and do not constitute the prior art.

In order to supply power to a plurality of coils, a plurality of coils must be individually or simultaneously supplied with power, and the stability of the power supply must be high when the power is supplied or cut off.

In general, a device for supplying power to a plurality of coils performs control for each channel using a relay switch or a separate DC-DC converter for each channel to control each channel.

When control is performed for each channel by using the relay switch, chattering occurs when the relay switch is turned on / off, and the power output is temporarily shaken temporarily, so that the stable power can not be supplied. In addition, when control is performed for each channel by using a relay switch, damage occurs at a contact point due to a surge caused by a physical contact point of the relay switch, thereby increasing the failure rate of the relay switch.

On the other hand, when the DC-DC converter is provided separately for each channel, there is a space restriction on multiple channels, and the converter-related cost increases depending on the number of channels.

Therefore, there is a need for a method for supplying a high-current power source to a plurality of coils stably for a short period of time, and for controlling the power supplied individually or simultaneously to a plurality of coils connected by a plurality of coils.

A main object of the present invention is to provide a multichannel power supply control method and a device therefor, which are provided with different types of switches for each channel in order to supply or cut off power to a plurality of coils.

According to an aspect of the present invention, there is provided a multi-channel power supply control apparatus for controlling power supplied through at least one channel, the multi-channel power supply control apparatus comprising: an output power supply for supplying power to at least one channel; A supply section; A first switch unit including at least one first switch connected to each of the channels and switching the first switch such that the power supply is supplied to or blocked from the at least one channel based on a first switching control signal; A second switch unit including at least one second switch connected to each of the channels and switching the second switch such that the power is supplied to or blocked from the at least one channel based on a second switching control signal; And a control unit for generating the first switching control signal and the second switching control signal and controlling the switching operation of the first switch and the second switch for each channel so that the power is supplied or blocked to the at least one channel, . ≪ / RTI >

According to another aspect of the present invention, there is provided a multi-channel power supply control method for controlling a power supply through at least one channel of a multi-channel power supply control apparatus, Determining a mode of supplying or cutting off power; Generating a first switching control signal and a second switching control signal for supplying or blocking the power to the at least one channel based on the mode; And controlling the switching operation of the first switch and the second switch for each channel so that the power is supplied or blocked to the at least one channel by using the first switching control signal and the second switching control signal have.

As described above, according to the present invention, since different types of switches are provided for each channel in order to supply or cut off power to a plurality of coils, it is possible to prevent occurrence of chattering during on / off control of the relay switch So that it is possible to stably supply power.

Also, according to the present invention, since different channels are provided for each channel in order to supply or cut off power to a plurality of coils, the power supply reliability can be improved by supplying power stably.

Further, the present invention can prevent the occurrence of surge at the physical contact point of the relay switch even when supplying power of a high current (for example, 5A or more per one stroke of the charger), and can reduce the frequency of occurrence of failure of the relay switch There is an effect.

1 is a block diagram schematically showing a multi-channel power supply control apparatus according to an embodiment of the present invention.
2 is a block diagram schematically illustrating a control unit of a multi-channel power supply control apparatus according to an embodiment of the present invention.
3 is a flowchart illustrating a method of controlling a multi-channel power supply according to an exemplary embodiment of the present invention.
FIG. 4 is a flowchart illustrating a method of controlling a multi-channel power supply when a power is cut according to an exemplary embodiment of the present invention.
5 is a diagram illustrating an example of a 6-channel based multi-channel power supply control apparatus according to an embodiment of the present invention.
6 is a circuit diagram illustrating a 6-channel based multi-channel power supply control apparatus according to an embodiment of the present invention.
7 is a detailed circuit diagram of a multi-channel carbon power supply control apparatus according to an embodiment of the present invention.
8 is a diagram showing an output power waveform of a multi-channel power supply control apparatus according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In addition, the preferred embodiments of the present invention will be described below, but it is needless to say that the technical idea of the present invention is not limited thereto and can be variously modified by those skilled in the art. Hereinafter, a multi-channel power supply control method and an apparatus therefor according to the present invention will be described in detail with reference to the drawings.

The multi-channel power supply control method and apparatus of the present invention is preferably a multi-channel power supply control technology applicable to the defense industry field, but is not limited thereto, and may be applied to various fields for controlling multi-channel power supply / Do.

The multichannel power supply control method and apparatus of the present invention is described on the assumption that the power supply to be supplied / cut off is controlled in order to control the simultaneous or separate firing of a plurality of coils, but the present invention is not limited thereto. Here, the plurality of shots may be a plurality of moving objects that can be moved in the air, and may be, for example, an induction type public moving object, an aggressive public moving object, a mobile public moving object, and the like.

1 is a block diagram schematically showing a multi-channel power supply control apparatus according to an embodiment of the present invention.

The multi-channel power supply control apparatus 100 includes an output power supply unit 110, a first switch unit 120, a second switch unit 130, and a control unit 200. The multi-channel power supply control apparatus 100 of FIG. 1 is according to an embodiment, and not all of the blocks shown in FIG. 1 are essential elements, and in another embodiment, Some blocks may be added, changed or deleted.

The output power supply unit 110 senses a power source and performs an operation of outputting a power source to supply power to a plurality of coils connected in multiple channels. Specifically, the output power supply unit 110 outputs a power source applied through the power source, and the output power source is connected to the first switch unit 120 and the second switch unit 130 It is supplied in multiple coals.

The output power supply unit 110 supplies power to the control unit 200 by a plurality of coils. Specifically, the output power supply unit 110 receives the converter control signal from the control unit 200, and outputs power supplied through the power source based on the converter control signal. The power output from the output power supply unit 110 is supplied to the plurality of coils sequentially through the first switch unit 120 and the second switch unit 130. [ For example, the output power supply unit 110 operates the DC-DC converter (not shown) in the ON state based on the converter control signal received from the control unit 200, Supply.

On the other hand, the output power supply unit 110 measures the output power based on the converter control signal, and transmits the measured power measurement result information to the control unit 200. For example, the output power supply unit 110 may measure a power output through a DC-DC converter (not shown) using a current sensor (not shown). The output power supply unit 110 may feed back power measurement result information to the control unit 200 to adjust information included in the converter control signal. For example, the output power supply unit 110 feeds back the power measurement result information to adjust the ON or OFF control information of the converter control signal generated in the controller 200, the output power size of the DC-DC converter (not shown) .

The first switch unit 120 is connected between the output power supply unit 110 and the second switch unit 130 and means a module that performs a switching operation to supply or cut off power to a plurality of coils.

The first switch unit 120 may be a switching transistor, and is preferably implemented as a field effect transistor (FET) based on a non-contact semiconductor device. However, the first switch unit 120 is not limited thereto. have.

The first switch unit 120 according to the present embodiment operates in conjunction with the control unit 200 and performs a switching operation based on the first switching control signal received from the control unit 200. [ The first switching unit 120 receives the power from the output power supply unit 110 and transmits the power to the second switching unit 130 or the output power supply unit 110 from the output power supply unit 110 based on the first switching control signal. And turns off the power source.

The first switch unit 120 includes a plurality of first switches connected to each of the plurality of coils on a channel-by-channel basis, and the number of the first switches is equal to the number of channels (N: 1 <N) .

The second switch unit 130 is connected between the first switch unit 120 and a plurality of bulbs (not shown), and is a module that performs a switching operation to supply or cut off power to a plurality of bulbs.

The second switch unit 130 is preferably implemented as an electromagnet-based relay switch, but is not limited thereto. The second switch unit 130 may be implemented as a single IC semiconductor chip for controlling a high current or various types of circuit devices Switch.

The second switch unit 130 according to the present embodiment operates in conjunction with the control unit 200 and performs a switching operation based on the second switching control signal received from the control unit 200. [ The second switch unit 130 is turned on or off in response to a second switching control signal and supplies power to the first switch unit 120 through the first switch unit 120 or the first switch unit 120 To the OFF state in which the power supplied to the plurality of coils is cut off.

The second switch unit 130 includes a plurality of second switches connected to each of the plurality of coils on a channel-by-channel basis, and the number of the plurality of second switches is equal to the number of channels (N: 1 <N) .

The first switch unit 120 and the second switch unit 130 perform a switching operation based on the switching control signal of the controller 200.

The second switch unit 120 is first controlled to the ON state based on the switching control signal of the control unit 200 when power is supplied to the plurality of coils and then the first switch unit 120 is controlled to the ON state, Supply power to the shot. On the other hand, the first switch unit 120 is controlled to be in the OFF state preferentially on the basis of the switching control signal of the control unit 200 when the power of the plurality of coils is cut off, and then the second switch unit 120 is controlled in the OFF state Turn off power to multiple guns.

The controller 200 controls the overall operation of the multi-channel power supply controller 100. The control unit 200 may be a microcontroller unit (MCU), and if the operation can be controlled in conjunction with the output power supply unit 110, the first switch unit 120, and the second switch unit 130 Any module can be implemented.

The control unit 200 according to the present embodiment performs an operation control for supplying or cutting off power to a plurality of bullets according to an input signal according to a user's operation or input. That is, the control unit 200 may operate in a power supply mode for supplying power to a plurality of coils based on an input signal or a power cutoff mode for cutting off power supplied to a plurality of coils.

Hereinafter, the control operation of the control unit 200 in the power supply mode will be described.

The control unit 200 acquires power measurement result information from the output power supply unit 110 and generates a converter control signal for power output from the output power supply unit 110 based on the power measurement result information. The control unit 200 transmits the converter control signal to the output power supply unit 110 so that the output power is supplied to the plurality of coils. Here, the power measurement result information means a current sense signal that senses the current of the output power supply unit 110, and the converter control signal includes a DC -DC converter (not shown) to an ON state. Here, the converter control signal may include ON or OFF control information of a DC-DC converter (not shown) determined based on the power measurement result information, an output power size of a DC-DC converter (not shown), and the like.

The controller 200 generates a converter control signal for controlling the DC-DC converter (not shown) to ON only when the size of the power source corresponds to the normal category based on the predetermined threshold based on the power measurement result information To the output power supply unit (110).

The control unit 200 generates a switching control signal for controlling the switching operation of the first switch unit 120 and the second switch unit 130 when the power of the output power supply unit 110 is output based on the converter control signal do. In the power supply mode, the controller 200 first controls switching of the second switch unit 130, and then controls switching of the first switch unit 120. Specifically, the controller 200 generates a second switching control signal for controlling the second switch unit 130 to be in the ON state, transmits the second switching control signal to the second switch unit 130, and then turns on the first switch unit 120 And transmits the generated first switching control signal to the first switch unit 120. [ That is, in the power supply mode, the controller 200 confirms that the second switch unit 130 is controlled to be in the ON state by the second switching control signal, and then transmits the first switching control signal to the first switch unit 120 And controls the first switch unit 120 to be in the ON state.

Hereinafter, the control operation of the control unit 200 in the power-off mode will be described.

The control unit 200 generates a switching control signal for controlling the switching operations of the first switch unit 120 and the second switch unit 130 to shut off the power supplied to the plurality of coils. In the power-off mode, the controller 200 first controls the first switch unit 120 and then controls the second switch unit 130 to switch. Specifically, the control unit 200 generates a first switching control signal for controlling the first switch unit 120 to be in an OFF state, transmits the first switching control signal to the first switch unit 120, and then turns off the second switch unit 130 And transmits the generated second switching control signal to the second switch unit 130. The second switch unit 130 is connected to the second switch unit 130, That is, in the power off mode, the controller 200 confirms that the first switch unit 120 is controlled to the OFF state by the first switching control signal, and then transmits the second switching control signal to the second switch unit 130 And controls the second switch unit 130 to be in the OFF state.

The control unit 200 controls the DC-DC converter (not shown) included in the output power supply unit 110 to be in the OFF state when both of the first switch unit 120 and the second switch unit 130 are controlled to be in the OFF state Thereby generating a converter control signal for controlling the converter. The controller 200 transmits the converter control signal to the output power supply unit 110 to cut off the power output from the plurality of coils.

The control unit 200 according to the present exemplary embodiment may be configured such that the first switching control signal and the second switching control signal are supplied to the first switch unit 120 and the second switch unit 130, respectively, And the first switching control signal and the second switching control signal may be simultaneously transmitted on multiple channels, but the present invention is not limited thereto. For example, the control unit 200 may selectively transmit the first switching control signal and the second switching control signal to all or a part of the channels, and may perform the first switching Control signal and a second switching control signal.

2 is a block diagram schematically illustrating a control unit of a multi-channel power supply control apparatus according to an embodiment of the present invention.

The controller 200 of the multi-channel power supply controller 100 includes an output power controller 210, a first switch controller 220, and a second switch controller 230. The controller 200 of FIG. 2 is according to one embodiment. Not all of the blocks shown in FIG. 2 are essential components, and in some embodiments, some blocks included in the controller 200 may be added, changed or deleted have.

The control unit 200 performs an operation control for supplying or cutting off power to a plurality of coils according to a user's operation or an input signal according to an input. That is, the control unit 200 operates in a power supply mode for supplying power to a plurality of coils based on an input signal or a power cut-off mode for cutting off power supplied to a plurality of coils. In accordance with each mode, And controls the operation of switching the first switch unit 120 or the second switch unit 130 and the like. Here, the control unit 200 may be provided with an input signal acquisition unit (not shown) for receiving an input signal by a user, but is not limited thereto.

The output power control unit 210 performs an operation of controlling an output of power supplied to a plurality of coils in conjunction with the output power supply unit 110.

The output power control unit 210 generates a converter control signal for controlling the DC-DC converter (not shown) included in the output power supply unit 110 to the ON state or the OFF state according to the power supply mode or the power cut-off mode. Here, the converter control signal includes a signal for controlling the DC-DC converter (not shown) included in the output power supply unit 110 to be in the ON state or a power supply The DC-DC converter (not shown) included in the output power supply unit 110 may be turned off.

On the other hand, the output power control unit 210 may control the output power supply unit 110 to output or cut off the power based on the power measurement result information obtained from the output power supply unit 110. For example, the output power controller 210 may control the DC-DC converter (not shown) to turn on only when the size of the power source corresponds to the normal category based on the preset threshold value Converter control signal, and may generate a converter control signal for controlling the DC-DC converter (not shown) to the ON state when the size of the power source corresponds to the normal category. For example, when +28 VDC power is being output from a DC-DC converter (not shown) of the output power supply unit 110, the output power controller 210 controls the current sensor (not shown) of the output power supply unit 110, And the output power measured based on the voltage value converted into the voltage 2 V per 5 A of the current value included in the power measurement result information is compared with a preset threshold value to control the converter Signal can be generated.

The first switch control unit 220 performs an operation of controlling the switching operation of the first switch unit 120.

The first switch control unit 220 generates a first switching control signal for controlling the first switch unit 120 to be in an ON state or an OFF state and outputs the generated first switching control signal to the first switch unit 120 send. The first switch control unit 220 generates a first switching control signal for controlling the first switch unit 120 to be in the ON state in the power supply mode and turns off the first switch unit 120 in the power shutdown mode And generates a first switching control signal for controlling.

The first switch control unit 220 transmits a first switching control signal to the first switch unit 120 interlocked with the multiple channels, and the first switch control unit 220 controls the first switch control unit 220, The first switching control signal can be transmitted at the same time, but the present invention is not limited thereto. For example, the first switch controller 220 may transmit a first switching control signal having a different time value to each of the plurality of first switches for each channel. Here, the different time values may be a value determined by an input signal by a user or a predetermined value for each channel, and may be changed as needed.

In the power supply mode, the first switch control unit 220 confirms that the power is supplied from the output power supply unit 110, and then outputs a first switching control signal for controlling the first switch for the entire multi- To the first switch unit (120). Here, the first switch control unit 220 transmits the first switching control signal so that the first switch unit 120 is controlled to be in an ON state in a state in which the second switch unit 130 is in the ON state.

Meanwhile, in the power cutoff mode, the first switch control unit 220 outputs a first switching control signal for controlling the first switch to the OFF state for all of the multi-channels or some selected channels to which the power is supplied from the output power supply unit 110, To the first switch unit (120). Here, the first switch control unit 220 controls the first switch unit 120 to be turned OFF before the second switch unit 130 is turned ON, that is, before the second switch unit 130 is turned OFF And transmits a first switching control signal.

The first switch control unit 220 turns ON / OFF the first switch unit 120 in consideration of the operation state of the second switch unit 130, thereby stably supplying power to a plurality of coils Or blocked.

The second switch control unit 230 controls the switching operation of the second switch unit 130.

The second switch control unit 230 generates a second switching control signal for controlling the second switch unit 130 to be in an ON state or an OFF state and outputs the generated second switching control signal to the second switch unit 130 send. The second switch control unit 230 generates a second switching control signal for controlling the second switch unit 130 to the ON state in the power supply mode and turns off the second switch unit 130 in the power shutdown mode And generates a second switching control signal for controlling.

The second switch control unit 230 transmits a second switching control signal to the second switch unit 130 interlocked with the plurality of channels, and the second switch control unit 230 transmits the second switching control signal to each of the plurality of second switches The second switching control signal can be transmitted at the same time, but the present invention is not limited thereto. For example, the second switch controller 230 may transmit a second switching control signal having a different time value to each of the plurality of second switches for each channel. Here, the different time values may be a value determined by an input signal by a user or a predetermined value for each channel, and may be changed as needed.

In the power supply mode, the second switch control unit 230 confirms that the power is supplied from the output power supply unit 110, and then outputs a second switching control signal for controlling the second switch to the ON state for all of the multi- To the second switch unit (130). The second switch controller 230 controls the second switch unit 130 to be in the ON state when the first switch unit 120 is in the OFF state before the first switch unit 120 is controlled to be in the ON state, So as to transmit the second switching control signal.

Meanwhile, in the power cutoff mode, the second switch control unit 230 turns off the second switch for the entire multi-channel or selected selected channel from the output power supply unit 110 via the first switch unit 120 To the second switch unit 130. The second switch unit 130 is connected to the first switch unit 130 and the second switch unit 130, Here, the second switch control unit 230 determines that the first switch unit 120 is controlled to be in the OFF state, that is, when the first switch unit 120 is in the OFF state, the second switch unit 130 is in the OFF state To the second switching control signal.

The second switch control unit 230 turns ON / OFF the second switch unit 130 in consideration of the operation state of the first switch unit 120, thereby stably supplying power to a plurality of coils Or blocked. The second switch control unit 230 turns ON / OFF the second switch unit 130 in consideration of the operation state of the first switch unit 120, thereby preventing the chattering phenomenon and the contact of the second switch The surge phenomenon can be prevented and the leakage current can be blocked by maintaining the open state physically without damaging the second switch.

3 is a flowchart illustrating a method of controlling a multi-channel power supply according to an exemplary embodiment of the present invention.

The multi-channel power supply controller 100 operates in a power supply mode in which power is supplied to a plurality of coils according to a user's operation or an input signal according to input (S310).

In the power supply mode, the multi-channel power supply control apparatus 100 controls the DC-DC converter (not shown) included in the output power supply unit 110 to be in an ON state (S320).

After confirming that the power source (DC power source) is outputted according to the control of step S320 (S330), the multi-channel power source supply control device 100 selects at least one channel among the multiple channels to supply power to at least one shot (S340).

The multi-channel power supply controller 100 switches the first switch unit 120 of the selected channel and the second switch unit 130 of the second switch unit 130 to the ON state preferentially (S350). In step S350, the multi-channel power supply controller 100 switches the second switch unit 130 to the ON state while the first switch unit 120 is in the OFF state, Chattering phenomenon and surge effect on the relay contact can be minimized.

Thereafter, the multi-channel power supply control apparatus 100 switches the first switch unit 120 of the selected channel to the ON state (S360). That is, in the power supply mode, the multi-channel power supply controller 100 controls the first switch unit 120 to be in the ON state after confirming that the second switch unit 130 is controlled to be in the ON state. Here, the multi-channel power supply controller 100 may switchably control the second switch unit 130 and then switch the first switch unit 120, thereby stably supplying a high current power to a plurality of coils.

After both the first switch unit 120 and the second switch unit 130 are switched to the ON state, the multi-channel power supply control apparatus 100 can obtain the result feedback information on the power supplied to the plurality of guns (S370). Here, the result feedback information may be fed back from a plurality of shots, but is not limited thereto, and may be fed back from any one of the shot launching systems.

FIG. 4 is a flowchart illustrating a method of controlling a multi-channel power supply when a power is cut according to an exemplary embodiment of the present invention.

In operation S410, the multi-channel power supply controller 100 operates in a power-off mode in which the power supplied to a plurality of coils is cut off according to an operation signal input by a user or an input signal.

In the power-off mode, the multi-channel power supply control apparatus 100 selects at least one channel to which power is supplied (S420), and selects one of the first switch unit 120 and the second switch unit 130 of the selected channel 1 switch unit 120 to the OFF state preferentially (S430). In step S430, the multi-channel power supply control apparatus 100 switches the first switch unit 120 to the OFF state while the second switch unit 130 is in the ON state, thereby stably turning off the high-current power supply to a plurality of coils .

Thereafter, the multi-channel power supply controller 100 switches the second switch unit 130 of the selected channel to the OFF state (S440). That is, in the power-off mode, the multi-channel power supply control apparatus 100 controls the second switch unit 130 to be in the OFF state after confirming that the first switch unit 120 is controlled to be in the OFF state. Here, the multi-channel power supply controller 100 performs switching control of the first switch unit 120 and then switching control of the second switch unit 130 so that chattering and surge of the relay contact Can be prevented, and the second switch unit 130 can be physically opened without Damage applied thereto.

The multi-channel power supply controller 100 controls the DC-DC converter (not shown) included in the output power supply unit 110 when both the first switch unit 120 and the second switch unit 130 are controlled to be in the OFF state, (S450), and cuts off the power supply output to the plurality of coils (S460).

After the first switch unit 120, the second switch unit 130, and the DC-DC converter (not shown) are both switched to the OFF state, the multi-channel power supply control apparatus 100 controls the power supply Lt; / RTI &gt; (step S470). Here, the result feedback information may be fed back from a plurality of shots, but is not limited thereto, and may be fed back from any one of the shot launching systems.

3 and FIG. 4, the steps are sequentially executed. However, the present invention is not limited thereto. In other words, Figures 3 and 4 are not limited to time-series order, as they would be applicable to altering and executing the steps described in Figures 3 and 4 or performing one or more steps in parallel.

The multi-channel power supply control method according to the present embodiment described in FIGS. 3 and 4 can be implemented in an application (or a program) and recorded in a recording medium readable by a terminal device (or a computer). A recording medium on which an application (or a program) for realizing the multi-channel power source control method according to the present embodiment is recorded and which can be read by the terminal device (or the computer) includes all kinds of records in which data that can be read by the computing system is stored Device or medium.

5 is a diagram illustrating an example of a 6-channel based multi-channel power supply control apparatus according to an embodiment of the present invention.

In FIG. 5, a multi-channel power supply control apparatus 100 connected in six channels for stably supplying or shutting off power to six coils will be described.

5, in the multi-channel power supply controller 100, the controller 200 may be a microcontroller unit (MCU), and the output power supply unit 110 may include a DC-DC converter A converter (DC-DC converter), and a current sensor (current transducer) for sensing output power. The first switch unit 120 includes a plurality of FETs connected to each of the six channels and the second switch unit 130 may include a plurality of relay switches connected to each of the six channels .

In the power supply mode for supplying power to six shots, the microcontroller unit 200 acquires the power measurement result information from the current sensor and generates the converter control signal based on the power measurement result information. The microcontroller unit 200 transmits the generated converter control signal to the DC-DC converter, and outputs power for supplying the generated DC voltage to a plurality of coils.

The microcontroller unit 200 confirms that power is outputted from the DC-DC converter and controls each of the plurality of FETs 120 and the plurality of relay switches 130, respectively.

In the power supply mode, the microcontroller unit 200 first controls the plurality of relay switches 130 to the ON state and then controls the plurality of FETs 120 to the ON state. That is, the microcontroller unit 200 controls the plurality of FETs 120 to be in the ON state after confirming that the plurality of relay switches 130 are controlled to be in the ON state.

The microcontroller unit 200 may transmit the same switching control signal simultaneously to all or some of six channels in order to control the plurality of relay switches 130 connected to each of the six channels, It is also possible to transmit different switching control signals to the entire channel or each of the partial channels. For example, the microcontroller unit 200 can transmit different switching control signals at different timings according to priority, time difference, etc. for each channel of the plurality of relay switches 130. [ The microcontroller unit 200 may transmit the same switching control signal simultaneously to all or some of six channels to control the plurality of FETs 120 connected to each of the six channels, It is also possible to transmit different switching control signals to all or some of the channels. For example, the microcontroller unit 200 can transmit different switching control signals at different timings according to priority, time difference, and the like for each channel of the plurality of FETs 120.

On the other hand, in the power cutoff mode for shutting off the power supplied to the six rods, the microcontroller unit 200 confirms the channel to which power is supplied, and preferentially selects the plurality of FETs 120 of at least one channel OFF state, and then controls the plurality of relay switches 130 to the OFF state. That is, the microcontroller unit 200 controls the plurality of FETs 120 to be in the OFF state while the plurality of relay switches 130 are in the ON state, (130) to the ON state.

When the plurality of FETs 120 and the plurality of relay switches 130 are all controlled to be in the OFF state, the microcontroller unit 200 transmits the converter control signal to the DC-DC converter so that the output of the power supplied to the plurality of coils .

6 is a circuit diagram illustrating a 6-channel based multi-channel power supply control apparatus according to an embodiment of the present invention.

6 shows a circuit diagram of a 6-channel-based multi-channel power supply controller 100. In FIG. The first to sixth channels have the same circuit configuration, and a circuit configuration for the DC-DC converter may be further implemented in the power supply control device 600 of the first channel. Since the circuit configuration of each of the first to sixth channels is the same except for the configuration of the DC-DC converter, the configuration of the power supply control device 600 of the first channel will be described with reference to FIG. 7, The description of the configuration of the control apparatus is omitted.

7 is a detailed circuit diagram of a multi-channel carbon power supply control apparatus according to an embodiment of the present invention.

The power supply controller 600 of the first channel includes a power output sensing unit 710, an FET control unit 720 and a relay control unit 730. The power supplied to the charger includes a power output detection unit 710, Via the control unit 720 and the relay control unit 730.

The power output detection unit 710 detects the size of the power supplied to the bullet and controls the supply or cutoff of the output power. Each of the FET control unit 720 and the relay control unit 730 includes an FET switch and a relay switch for stably supplying power supplied from the power output detection unit 710 and controls the switching operation of the FET switch and the relay switch And stably supplies power to at least one shot.

7, it is preferable that the FET control unit 720 is connected between the power output detection unit 710 and the relay control unit 730. The power supply control device 600 of the first channel outputs power from the DC-DC converter of the power output detection unit 710, and controls the relay switch to the ON state. Then, the first channel power supply control device 600 controls the voltage applied to the gate of the FET switch to supply power to the bullet through the relay switch in the open state. On the other hand, when the charger is shut off, the power supply controller 600 of the first channel controls the voltage applied to the gate of the FET switch to be cut off, preferentially shutting off the FET switch, controlling the relay switch to the OFF state, Ensure that the power supply is disconnected.

8 is a diagram showing an output power waveform of a multi-channel power supply control apparatus according to an embodiment of the present invention.

8A shows a waveform of an output power supply that supplies power to a plurality of coils by using only a conventional relay switch, and FIG. 8B shows a waveform of an output power supplied to the multi-channel power supply control apparatus 100 of the present invention The first switch unit 120 and the second switch unit 130 are used to supply power to a plurality of coils.

As shown in the graphs of FIGS. 8A and 8B, in the multi-channel power supply control apparatus 100 of the present invention, in the power supply mode or the power cutoff mode, 2 switch unit 130 at different timings, it is possible to supply a stable power source in which the waveform of the power source is not shaken to a plurality of coils.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. Modifications will be possible. Therefore, the embodiments of the present invention are not intended to limit the scope of the technical idea of the embodiment of the present invention, but the scope of the technical idea of the embodiment of the present invention is not limited by these embodiments. The scope of protection of the embodiments of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as being included in the scope of the embodiments of the present invention.

100: Multi-channel power supply controller 110: Output power supply
120: first switch unit 130: second switch unit
200:
210: output power control unit 220: first switch control unit
230: second switch control section

Claims (11)

An apparatus for controlling power supplied through at least one channel,
An output power supply for outputting power for supplying the at least one channel;
A first switch unit including at least one first switch connected to each of the channels and switching the first switch such that the power supply is supplied to or blocked from the at least one channel based on a first switching control signal;
And at least one second switch connected to the first switch unit and connected to each of the channels, wherein the second switch is switched on / off so that the power is supplied to or blocked from the at least one channel based on a second switching control signal, A second switch unit for switching the first switch unit; And
A control unit for generating the first switching control signal and the second switching control signal and controlling the switching operation of the first switch and the second switch for each channel so that the power is supplied or blocked to the at least one channel, Including,
Wherein the controller controls to switch one of the first switch and the second switch preferentially according to whether the power source is supplied or cut off. The method according to claim 1,
Wherein,
When the power is supplied to the at least one channel, the first switch unit is controlled to be turned on by using the first switching control signal, and the second switch unit is turned on by using the second switching control signal Channel power supply control device. 3. The method of claim 2,
Wherein,
Controls the second switch unit based on the second switching control signal and controls the first switch unit based on the first switching control signal after the switching operation of the second switch unit is completed Channel power supply control unit. The method of claim 3,
Wherein,
The first switching control signal and the second switching control signal for supplying the power to each of the first switch and the second switch connected to all or a part of the channels of the at least one channel, Channel power supply control device. The method according to claim 1,
Wherein,
Wherein when the power is cut off to the at least one channel, the first switch unit is controlled to be turned OFF by using the first switching control signal, and the second switch unit is turned OFF by using the second switching control signal Channel power supply control device. 6. The method of claim 5,
Wherein,
And controls the first switch unit based on the first switching control signal and controls the second switch unit based on the second switching control signal after the switching operation of the first switch unit is completed Channel power supply control unit. The method according to claim 6,
Wherein,
The first switching control signal and the second switching control signal for shutting off the power supply to the first switch and the second switch connected to all or a part of the channels of the at least one channel, Channel power supply control device. The method according to claim 1,
Wherein the first switch unit performs a switching operation using a transistor based on a non-contact semiconductor element connected to each of the channels, and the second switch unit performs a switching operation using a relay switch connected to each of the channels,
Wherein the control unit supplies or cuts off the power outputted through the switching operation to at least one char which is equal to the number of channels. A method for controlling power supplied to a multi-channel power supply control device through at least one channel,
Determining a mode of supplying or blocking power to the at least one channel;
Generating a first switching control signal and a second switching control signal for supplying or blocking the power to the at least one channel based on the mode;
And controlling the switching operation of the first switch and the second switch for each channel so that the power is supplied or blocked to the at least one channel by using the first switching control signal and the second switching control signal,
Wherein the step of controlling the switching operation controls one of the first switch and the second switch to preferentially switch according to whether the power supply is supplied or cut off. 10. The method of claim 9,
Wherein the step of controlling the switching operation comprises:
And controls the second switch to be turned on preferentially based on the second switching control signal in a mode of supplying power to the at least one channel, and after the switching operation of the second switch is completed, Wherein the first switch is controlled to be in the ON state based on the control signal. 10. The method of claim 9,
Wherein the step of controlling the switching operation comprises:
In a mode of powering off the at least one channel
Controls the first switch to be in an OFF state preferentially based on the first switching control signal and controls the second switch to an OFF state based on the second switching control signal after the switching operation of the first switch is completed Channel power supply control method.

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