KR102497686B1 - Anti-overcharge system and anti-overcharge charging cabinet including the same - Google Patents

Abstract

The present invention relates to a charging box that mounts, charges, and manages a plurality of charging targets and, more specifically, to an overcharge prevention system and an overcharge prevention charging box including the same. The present invention provides the overcharge prevention system and the overcharge prevention charging box including the same which preset charging time and automatically supply and cut off power accordingly to prevent overcharge of a charging target to stably perform charging and set a charging mode per a charging target and a usage example, thereby conveniently setting charging time.

Description

Anti-overcharge system and anti-overcharge charging cabinet including the same}

The present invention relates to a charging box for mounting, charging, and managing a plurality of charging targets, and more particularly, to an overcharge prevention system and an overcharge prevention charging box including the same.

Recently, with the spread of IOS and Android operating system tablet PCs, the development of educational applications using them has become active. Thanks to the active development of these educational applications, the use of tablet PCs in the educational field is gradually increasing. In particular, newly established schools are distributing tablet PCs along with equipment such as electronic blackboards for a more effective educational environment.

However, additional equipment considering the uniqueness of schools is not being supplied together. In particular, due to the nature of schools that use and return as a group, a charging box that can charge and store multiple tablet PCs is required. However, currently, when purchasing tablet PCs, each one must be charged using the standard charger, so there is a risk of theft. , there was also a risk of electrical fire as many chargers had to be connected to limited outlets. In addition, since the tablet PC is charged while being directly exposed to the outside, the risk of damage is high.

In more detail, in the case of a conventional charger for charging a tablet PC, if the user does not check the charging time, the charging continues indefinitely even after the charging is completed, and overcharging may occur, and accordingly, the charging terminal generates heat, causing the tablet PC to Problems such as explosions may occur.

Korean Patent Registration No. 10-1084046 "Charging Cradle for Portable Terminal" (2011.11.19)

The present invention has been made to solve the above problems, and an object of the present invention is to set a charging time in advance and automatically supply and cut off power accordingly, thereby preventing overcharging of the charging target and making it more stable. It is an object of the present invention to provide an overcharge prevention system capable of charging and an overcharge prevention charging box including the same.

Another object of the present invention is to provide an overcharge prevention system and an overcharge prevention charging box including the same, in which a charging time can be set more conveniently by allowing charging modes to be set for each charging target and use case.

In addition, when a plurality of charging targets are charged at once, an overcharge prevention system and an overcharge prevention charging box including the same are provided, which are connected in parallel to each charging target and can set a charging time independently according to the charging target.

In order to solve the above problems, the overcharge prevention system according to an embodiment of the present invention includes an input terminal for receiving power from a power source and an output terminal for outputting power, to deliver power to a charging target It is characterized by including a power delivery unit, an input unit receiving charging information from the power delivery unit or the outside, and a control unit receiving the charging information from the input unit and controlling the power delivery unit.

In addition, the input unit collects charging time information, which is the time at which the power delivery unit delivers power to the charging target, and the control unit opens and blocks the flow of the power unit according to the time information.

In addition, the input unit includes a first button and a second button, and the control unit receives the number or time for which pressure is applied to the first button, determines the charging start time accordingly, and presses the second button. It is characterized in that the number or time is received and the charging end time is determined accordingly.

In addition, it is characterized in that it further comprises a guide for guiding charging information to an external user.

In addition, the guide unit may include a guide panel displaying start and end times when the power delivery unit supplies power to the charging target.

In addition, the guide unit is characterized in that it includes a guide light that emits light when the power transfer unit is supplying power to the charging target and does not emit light when not supplying power.

In addition, the input unit receives at least one of a specification of a charging target and user information, and the specification of the charging target includes a maximum battery capacity of the charging target.

In addition, the control unit pre-stores one or more mode information, which is integrated information of the charging start time and end time, according to the specifications of the charging target or user information, and analyzes the information received from the input unit to determine whether or not the corresponding mode information exists. Then, if the corresponding mode information exists, the flow of the power delivery unit is opened or blocked according to the mode information.

The charging device may further include a guidance unit for guiding charging information to an external user, and the guidance unit may include a mode guidance panel displaying mode information.

In addition, it is characterized in that it further comprises a power cut-off unit for automatically cutting off the current of the power transfer unit when the current amount of the power transfer unit is greater than or equal to a predetermined amount.

In addition, the power cut-off unit includes a temperature sensor attached to either the input terminal or the output terminal, and when the measured temperature of the temperature sensor is higher than a predetermined value, it is determined that the current amount of the power transfer unit is higher than a predetermined value, and the current of the power transfer unit is automatically changed. characterized by blocking.

In addition, the power cut-off unit is characterized in that it includes a switch that is automatically turned off when the amount of current in the power delivery unit is greater than or equal to a predetermined value, and a cover that blocks the switch from the outside to prevent arbitrary manipulation from the outside.

In addition, it includes an overcharge prevention system, a container in which a charging target is mounted and fixed, a cable electrically connecting the overcharge prevention system, a power source, and a container, and the input unit receives information on a charging target through the container and cable. do.

In addition, the container has a screw hole formed on one surface, and the overfill prevention system has a fixing hole formed at a position corresponding to the screw hole, and the fixing hole and the screw hole are penetrated by one screw and fixed to each other. .

In addition, the container includes a charging rack in which one or more charging targets are grounded in parallel, a cable connects the output terminal and the charging rack, and the charging rack receives power from the cable and delivers power to each charging target. to be characterized

In addition, the input unit receives the specifications of the charging target when the charging target is grounded on the charging rack, and the control unit stores one or more mode information, which is integrated information of the charging start time and end time according to the specifications of the charging target, and , After determining whether there is mode information corresponding to the specification of the charging target received from the input unit, if the corresponding mode information exists, the flow of the power delivery unit is opened or blocked according to the mode information.

The overcharge prevention system with the above configuration and the overcharge prevention charging box including the same set the charging time in advance and automatically supply and cut off power accordingly, thereby preventing overcharging of the charging target and enabling more stable charging. There are effects that can be done.

In addition, there is an effect that the charging time can be set more conveniently by allowing the charging mode to be set for each charging target and use case.

In addition, when charging a plurality of charging targets at once, it is connected in parallel to each charging target, and the charging time can be set independently according to the charging target.

1 is a perspective view of an overcharge prevention system of the present invention.
2 is a block diagram showing the connection relationship between a control unit, an input unit, and a power delivery unit according to the present invention.
3 is a plan view illustrating an input unit and a guide unit according to the present invention.
4 is a plan view illustrating an embodiment of an input unit and a guide unit according to the present invention.
5 is a side view of the overcharge prevention system of the present invention.
6 is a plan view showing an overcharge prevention charging box according to the present invention.
7 is a side view of a container of the present invention.
Figure 8 is a schematic diagram showing the connection relationship between the charging rack and the overcharge prevention system of the present invention.
9 is a plan view illustrating an embodiment of an overcharge prevention charging box of the present invention.

Hereinafter, the technical idea of the present invention will be described in more detail using the accompanying drawings. Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Hereinafter, the overcharge prevention system 100 of the present invention will be described with reference to FIGS. 1 and 2 .

As shown in FIG. 1 , the overcharge prevention system 100 of the present invention may include a power transfer unit 110 that transfers power from a power source S to a charging target T. The power transfer unit 110 preferably includes an input terminal 111 for receiving power from the power source S and an output terminal 112 for outputting the power to the charging target T. The input terminal 111 and the output terminal 112 are preferably formed on the same surface.

In addition, the overcharge prevention system 100 of the present invention may include a controller 130 , and the controller 130 may receive charging information from the input unit 120 . The input unit 120 may receive information and transmit it to the control unit 130 . It is preferable that the control unit 130 controls the power transfer unit 110 based on the charging information received from the input unit 120 .

In more detail, as shown in FIG. 2, the input unit 120 may collect charging time information, which is the time for the power delivery unit 110 to deliver power to the charging target T, and the control unit 130 , It is preferable to open and block the flow of the power supply unit according to the charging time information collected by the input unit 120.

Hereinafter, the relationship between the input unit 120 and the guide unit 150 will be described in more detail with reference to FIGS. 3 and 4 .

As shown in FIG. 3 , the input unit 120 may include a plurality of buttons. The first button 121 of the plurality of buttons transmits a signal to the controller 130 when pressure is applied to determine the charging start time, and the second button 122 of the plurality of buttons controls the controller 130 when pressure is applied. ) to determine the charging end time.

When pressure is applied to the first button 121 or the second button 122 for a short time of less than 2 seconds, the controller 130 may generate an input signal and count the number of times pressure is applied each time pressure is applied. Alternatively, when pressure is continuously applied to the first button 121 or the second button 122 for a long time of 2 seconds or more, an input signal is generated at a constant frequency during the time during which the pressure is applied and the number of times can be counted there is.

At this time, one input signal may mean a predetermined unit time that can be arbitrarily changed, and accordingly, the charging start time and the charging end time are units of the number of times finally accumulated from the time when the input of the input unit 120 is completed. It is preferable to set after the time multiplied by the time has elapsed.

Accordingly, the user can change and apply the time at which the power transmission unit 110 delivers power to the charging target T, and ultimately prevent overcharging applied to the charging target T in advance. Therefore, the charging target (T) can be charged with high stability. In addition, by enabling the charging start time and charge end time to be set to the time counted by the unit time from the information input time, it is possible to make it easy for the user to feel and estimate the charging start time and charge end time, thereby increasing the convenience of use. there is.

At this time, the overcharge prevention system 100 of the present invention preferably further includes a guide unit 150 for guiding charging information to an external user. In more detail, the guide unit 150 may include a guide panel displaying start time and end time when the power transfer unit 110 supplies power to the charging target T. The start time guide panel 151a (151), which is a panel displaying the charging start time, is preferably located closer to the first button 121 than the second button 122, and the panel displaying the charging end time, the end time The guide panel (151b) 151 is preferably positioned closer to the second button 122 than to the first button 121.

At this time, it is preferable that the start time guidance panels 151a and 151 and the end time guidance panels 151b and 151 display the number of occurrences of input signals cumulatively counted by the control unit 130 in real time. Accordingly, the user can check the charging start time and end time with high sensory experience.

Alternatively, the start time information panels 151a and 151 and the end time information panels 151b and 151 may display the current time when input signals are not generated from the first button 121 and the second button 122. Each time an input signal is generated from the first button 121 and the second button 122, the times may be summed up and displayed by unit time. At this time, the user can accurately check the charging start time and end time.

Furthermore, the input unit 120 may further include a display information change button, and each time a pressure is applied to the display information change button, the start time guide panel 151a (151) and the end time guide panel 151b (151) The type of visual information to be displayed can be changed. For example, when the display information change button is pressed once, the start time information panel 151a, 151 and the end time information panel 151b, 151 can display the cumulatively counted number of occurrences of the input signal, and display When the information change button is pressed twice, the start time information panels 151a and 151 and the end time information panels 151b and 151 may be changed to display charging start and end times.

In addition, the guide unit 150 may include a guide light 152 that emits light when the power delivery unit 110 is supplying power to the charging target (T) and does not emit light when not supplying power. there is. Alternatively, the guide light 152 may emit light in a different color depending on whether or not power is currently supplied.

At this time, the input unit 120 may include a sensor for measuring the amount of current at the input terminal 111 and the output terminal 112 of the power control unit, and the control unit 130 determines the amount of current based on the information of the input unit 120. When it approaches 0, the guide light 152 can be turned off or its color changed.

By including the guide light 152, the user can easily determine whether or not the charging target T is charged or abnormal, and can quickly deal with abnormalities when they occur. For example, in spite of the charging time specified by the first button 121 and the second button 122, when the guidance light guides that it is not charging, the user can intuitively grasp that an abnormality has occurred in charging. and, accordingly, a quick response can be made.

Hereinafter, an embodiment of the input unit 120 and the guide unit 150 of the present invention will be described with reference to FIG. 4 . In one embodiment of the input unit 120 and the guide unit 150, the input unit 120 receives at least one of the specification and user information of the charging target (T), and the specification of the charging target (T) is the charging target ( T) of the maximum battery capacity. At this time, the controller 130 may be in a state in which one or more mode information, which is integrated information of the charging start time and end time, is pre-stored according to the specifications of the charging target T or user information. The controller 130 analyzes the information received from the input unit 120 to determine whether or not the corresponding mode information exists, and if the corresponding mode information exists, opens or blocks the flow of the power delivery unit 110 according to the mode information. It is desirable to do

Alternatively, the control unit 130 may receive the maximum battery capacity of the charging target from the input unit 120, compare the power output from the output terminal 112 to calculate a desired charging time, and start and end the charging time accordingly. Mode information can be newly established by calculating mode information, which is integrated information of . At this time, the mode information is data about the time between the charging start time and the end time, and any one of the charging start time and end time can be changed according to the user's discretion, which is It is preferably done via 2 buttons 122 .

At this time, the information unit 150 preferably includes a mode information panel 153 displaying mode information to inform the user of the currently adopted charging mode.

Hereinafter, the power cutoff unit 140 of the present invention will be described with reference to FIG. 5 .

The overcharge prevention system 100 of the present invention preferably further includes a power cut-off unit 140 that automatically cuts off the current of the power transfer unit 110 when the amount of current of the power transfer unit 110 exceeds a predetermined value. As shown in FIG. 5, the power cut-off unit 140 includes a switch that is automatically turned off when the amount of current of the power transfer unit 110 is greater than a predetermined amount and a cover that blocks the switch from the outside to prevent arbitrary manipulation from the outside ( 141) is preferably included. At this time, the switch can be electrically connected to the input terminal 111 and the output terminal 112, and turn off the power in such a way that it is automatically cut off when a current greater than the threshold value flows.

Alternatively, the power cutoff unit 140 may include a temperature sensor attached to either the input terminal 111 or the output terminal 112, and when the temperature measured by the temperature sensor is greater than or equal to a predetermined value, the power transfer unit 110 It is determined that the amount of current is greater than or equal to a predetermined amount, and the current of the power delivery unit 110 may be automatically cut off. At this time, the power cut-off unit 140 includes its own control module therein and can be driven independently of the aforementioned control unit 130. Accordingly, when a problem occurs in the control unit 130 in an emergency, the power can be easily cut off.

Hereinafter, an overcharge prevention charging box 1000 including the overcharge prevention system 100 of the present invention will be described with reference to FIGS. 6 to 9 .

As shown in FIG. 6, the overcharge prevention charging box 1000 of the present invention includes the above-described overcharge prevention system 100, a container 200 in which a charging target T is mounted and fixed, and an overcharge prevention system 100 and a cable 300 electrically connecting the power source S and the container 200 to each other. At this time, the input unit 120 may receive information on the charging target T through the container 200 and the cable 300 . In more detail, the input unit 120 may receive charging specification information of the charging target T from the container 200 and the cable 300 .

At this time, the container 200 has a screw hole 220 formed on one surface, and the overcharge prevention system 100 has a fixing hole 160 formed at a position corresponding to the screw hole 220, and the fixing hole and the screw The holes 220 are preferably penetrated by one screw and fixed to each other. This is shown in FIG. 7 .

In addition, as shown in FIG. 8 , the container 200 may include a charging rack 210 in which one or more charging targets T are grounded in parallel. The cable 300 connects the output terminal 112 and the charging rack 210, and the charging rack receives power from the cable 300 and preferably transmits power to each charging target (T).

In addition, the input unit 120 receives the specification of the charging target (T) when the charging target (T) is grounded to the charging rack 210, and the controller 130 charges according to the charging target (T) specification. One or more pieces of mode information, which is integrated information of a start time and an end time, may be pre-stored, and after determining the presence or absence of mode information corresponding to the specifications of the charging target T received from the input unit 120, the corresponding mode information When exists, it is preferable to open or block the flow of the power delivery unit 110 according to the mode information.

Alternatively, the control unit 130 may receive the maximum battery capacity of the charging target from the input unit 120, compare the power output from the output terminal 112 to calculate a desired charging time, and start and end the charging time accordingly. Mode information can be newly established by calculating mode information, which is integrated information of . At this time, the mode information is data about the time between the charging start time and the end time, and any one of the charging start time and end time can be changed according to the user's discretion, which is It is preferably done via 2 buttons 122 .

At this time, the information unit 150 preferably includes a mode information panel 153 displaying mode information to inform the user of the currently adopted charging mode.

In addition, two or more overcharge prevention systems 100 may be installed in the container 200 . At this time, each overcharge prevention system 100 may supply power to different charging racks 210 . This is shown in FIG. 9 . Accordingly, when the charging target (T) requiring different charging times needs to be charged at the same time, the charging time can be independently controlled only by being grounded to different charging racks (210).

Technical ideas should not be interpreted as being limited to the above-described embodiments of the present invention. Not only the scope of application is diverse, but also various modifications and implementations are possible at the level of those skilled in the art without departing from the gist of the present invention claimed in the claims. Therefore, such improvements and changes fall within the protection scope of the present invention as long as they are obvious to those skilled in the art.

100: overcharge prevention system
110: power delivery unit
111: input terminal
112: output terminal
120: input unit
121: first button
122: second button
130: control unit
140: power cutoff
141: cover
150: information unit
151: visual guidance panel
151a: start time guidance panel
151b: end time information panel
152: guidance light
153: mode guidance panel
160: fixed hole
1000: Overcharge prevention charging box
200: container
210: charging rack
220: screw hole
300: cable
S: power source
T: charging target

Claims (16)

A power delivery unit for delivering power to a charging target, including an input terminal for receiving power from a power source and an output terminal for outputting power;
An input unit for receiving charging information from the power delivery unit or the outside, and
A control unit for receiving charging information from the input unit and controlling the power delivery unit; and
an overcharge prevention system including a housing accommodating the power delivery unit, the input unit, and the control unit inside and outside;
a container in which the filling target is mounted and fixed, and detachably coupled to the housing;
A cable electrically connecting the power delivery unit, the power source, and the container of the overcharge prevention system;
The input unit receives charging information from the power delivery unit or charging information of the charging target inside the container,
the container,
A screw hole is formed on one side,
The overcharge prevention system is characterized in that a fixing hole is formed at a position corresponding to the screw hole, and the fixing hole and the screw hole are penetrated by one screw and fixed to each other.
A power delivery unit for delivering power to a charging target, including an input terminal for receiving power from a power source and an output terminal for outputting power;
An input unit for receiving charging information from the power delivery unit or the outside, and
A control unit for receiving charging information from the input unit and controlling the power delivery unit; and
an overcharge prevention system including a housing for accommodating the power transmission unit, the input unit, and the control unit inside and outside;
a container in which the filling target is mounted and fixed, and detachably coupled to the housing;
A cable electrically connecting the power delivery unit, the power source, and the container of the overcharge prevention system;
The input unit receives charging information from the power delivery unit or charging information of the charging target inside the container,
The container includes a charging rack in which one or more charging targets are grounded in parallel,
The cable connects the output terminal and the charging rack,
The charging rack receives power from the cable and delivers power to each of the charging targets,
The input unit,
Receiving the specifications of the charging target when the charging target is grounded to the charging rack,
The control unit,
According to the specifications of the charging target, one or more mode information, which is integrated information of the charging start time and end time, is pre-stored,
After determining the presence or absence of mode information corresponding to the specification of the charging target received from the input unit,
If the corresponding mode information exists,
An overcharge prevention charger characterized in that the flow of the power delivery unit is opened or blocked according to the mode information.
According to claim 1 or 2,
The input unit,
The power delivery unit collects charging time information, which is a time for delivering power to the charging target,
The control unit,
An overcharge prevention charger characterized by opening and blocking the flow of the power supply unit according to time information.
According to claim 3,
The input unit,
Including a first button and a second button,
The control unit,
Receiving the number or time for which pressure is applied to the first button and determining a charging start time accordingly;
Receiving the number or time of pressure applied to the second button and determining the charging end time accordingly.
According to claim 3,
An overcharge prevention charging box further comprising a guide for guiding charging information to an external user.
According to claim 5,
The guide,
The overcharge prevention charging box of claim 1 , wherein the power delivery unit includes a guide panel displaying a start time and an end time for supplying power to the charging target.
According to claim 5,
The guide,
The overcharge prevention charger, characterized in that the power delivery unit includes a guide light that emits light when power is being supplied to the charging target and does not emit light when power is not being supplied.
According to claim 1 or 2,
The input unit,
Receiving at least one of the specifications and user information of the charging target,
The specification of the charging target is an overcharge prevention charger, characterized in that it includes the maximum battery capacity of the charging target.
According to claim 8,
The control unit,
According to the specifications of the charging target or user information, one or more mode information, which is integrated information of the charging start time and end time, is pre-stored,
After analyzing the information received from the input unit and determining whether the corresponding mode information exists,
If the corresponding mode information exists,
An overcharge prevention charger characterized in that the flow of the power delivery unit is opened or blocked according to the mode information.
According to claim 9,
Further comprising a guide unit for guiding charging information to an external user,
The guide unit may include a mode guide panel displaying the mode information.
According to claim 1 or 2,
and a power cut-off unit that automatically cuts off the current of the power transfer unit when the amount of current of the power transfer unit is greater than or equal to a predetermined value.
According to claim 11,
The power cut-off unit includes a temperature sensor attached to any one of the input terminal and the output terminal,
When the measured temperature of the temperature sensor is equal to or greater than a predetermined value, it is determined that the amount of current of the power delivery unit is equal to or greater than a predetermined value;
Overcharge prevention charging box, characterized in that automatically cut off the current of the power delivery unit.
According to claim 11,
The power cutoff unit,
A switch that is automatically turned off when the amount of current of the power delivery unit is greater than a predetermined amount, and
An overcharge prevention charger comprising a cover that blocks the switch from the outside to prevent arbitrary manipulation from the outside.
According to claim 2,
the container,
A screw hole is formed on one side,
The overcharge prevention system is characterized in that a fixing hole is formed at a position corresponding to the screw hole, and the fixing hole and the screw hole are penetrated by one screw and fixed to each other.
According to claim 1,
The container includes a charging rack in which one or more charging targets are grounded in parallel,
The cable connects the output terminal and the charging rack,
The charging rack is an overcharge prevention charging box, characterized in that for receiving power from the cable and delivering power to each of the charging targets.
According to claim 15,
The input unit,
Receiving the specifications of the charging target when the charging target is grounded to the charging rack,
The control unit,
According to the specifications of the charging target, one or more mode information, which is integrated information of charging start time and end time, is pre-stored,
After determining the presence or absence of mode information corresponding to the specification of the charging target received from the input unit,
If the corresponding mode information exists,
An overcharge prevention charger characterized in that the flow of the power delivery unit is opened or blocked according to the mode information.

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