KR20030015521A - Automatic noncontact recharger using brightness and door locker using the same - Google Patents

Abstract

PURPOSE: A non-contact type automatic charging device using light and a door lock device using the same are provided to eliminate the necessity of replacement of battery cells, while allowing the automatic charging operation to be performed even in the absence of the light. CONSTITUTION: A non-contact type automatic charging device comprises a photovoltaic cell(110) connected to a charging circuit(120) of a battery cell(130) so as to supply an electrical energy; a residual amount monitoring unit(140) for monitoring the residual amount of the electrical energy accumulated in the battery cell; a light emitting unit for emitting a charge request signal light in accordance with the result of monitoring of the residual amount monitoring unit; a light receiving unit for receiving the charge request signal light emitted from the light emitting unit; and a light supply unit for supplying light energy for photoelectric conversion when the charge request signal light is received at the light receiving unit.

Description

Contactless automatic charging device using light and door lock device using the same {AUTOMATIC NONCONTACT RECHARGER USING BRIGHTNESS AND DOOR LOCKER USING THE SAME}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery charging device. More particularly, the present invention is applied to a battery-powered device, such as a digital door lock device or a security monitoring device. It relates to a non-contact automatic charging device using light to charge.

In general, wireless devices that operate wirelessly, such as digital door lock devices and remote controls, or security monitoring devices, such as surveillance cameras and wireless alarm devices, have a built-in battery and operate on battery power. .

Such a wireless device and a security surveillance device require a combination of a fingerprint recognition function, a voice recognition function, an information display function, and the like, and require more current consumption. In particular, since the digital door lock device is frequently used by being mounted on the door, it requires frequent battery replacement, resulting in financial and time wasting. Therefore, conventionally, in order to solve the said problem, the secondary battery is used as a battery.

However, when the secondary battery is used as a battery, when the battery is insufficiently managed, a problem arises that the door cannot be opened or the monitoring device does not operate, or the battery level is insufficient for smooth management. Checking at all times, there is an inconvenience to be charged by separating the battery in a separate charging device whenever the remaining battery charge. In addition, even in the case of a security monitoring device is installed in a place where there is no wiring, such as a door or an outer wall, or located out of reach of people, it gives a lot of inconvenience when you want to replace the battery or charge the battery.

Conventionally, to solve the conventional problems by connecting a commercial power source to the battery, in order to use the power source requires a separate wiring and there is a problem that does not look good.

The present invention is to solve the conventional problems, it is an object to automatically detect the remaining amount of battery built in the device, and to automatically charge the battery by light when the remaining amount is insufficient.

An object of the present invention is to charge the battery by the light even in a place where the solar light is not provided, and to control the degree of battery charging so as not to overcharge.

1 is a conceptual diagram illustrating the concept of an automatic charging device in non-contact using light according to an embodiment of the present invention.

2 is a schematic diagram of a non-contact automatic charging device using light according to an embodiment of the present invention.

3 is a block diagram of a non-contact automatic charging device using light according to the first embodiment of the present invention.

Figure 4 is a block diagram of a non-contact automatic charging device using light according to a second embodiment of the present invention.

5 is a block diagram of a non-contact automatic charging device using light according to a third embodiment of the present invention.

Automatic charging device according to a feature of the present invention for achieving the above technical problem includes a drive device and a light supply device.

The driving device is embedded in an electronic device (a digital door lock device, a security monitoring device, etc.) that performs the corresponding function, and determines the remaining state of the rechargeable battery built in the electronic device to charge the rechargeable battery when the remaining amount is insufficient. In this case, the driving device uses light without using an external power source to charge the rechargeable battery, and installs a photovoltaic cell on an outer circumferential surface to use light, and electrically connects the photo battery cell and the rechargeable battery to the photo battery cell. Allow the current generated by the to be applied to the rechargeable battery.

The light supply device is for supplying light to the optical battery cell, is separated from the driving device, and is driven only when a signal for requesting light supply is input from the driving device.

The light supply request signal output from the drive device to the light supply device is a digital light signal, and has a wavelength of a band different from the wavelength of light supplied from the light supply device to the drive device.

More specifically, the driving device includes a photo battery cell connected to supply electrical energy to a charging circuit of a rechargeable battery, a remaining amount monitoring unit for monitoring the remaining amount of electrical energy stored in the rechargeable battery, and a charge request signal according to the monitoring result of the remaining amount monitoring unit. And a communication light emitting unit for emitting light.

The light supply device is spaced apart from the light emitting unit, and is separated from the light receiving unit for communication and receives the charge request signal light from the light emitting unit and the optical battery cell and is electrically connected to the light receiving unit. And a light supply unit configured to supply light energy for photoelectric conversion to the optical battery cell as received.

Hereinafter, a non-contact automatic charging device using light according to an embodiment of the present invention with reference to the accompanying drawings.

1 is a conceptual diagram illustrating the concept of a non-contact automatic charging device using light according to an embodiment of the present invention. As shown in Figure 1, the automatic charging device of the present invention includes a drive device (100). The driving device 100 is a device which is built in a digital door lock device, a security monitoring device or the like, and is driven by a power source of a battery built in the digital door lock device or the security monitoring device. The solar cell 100 for converting the energy into electrical energy or the photovoltaic cell 100 for converting the general light energy into electrical energy is mounted. Therefore, the following photo battery cells may be solar cells.

Solar cells use electron phenomena in semiconductors, and use silicon to form a single module by connecting several unit cells in series by a PN junction. When light is irradiated to the PN junction, electrons excel in covalent bonds of the crystal due to the energy of the light, thereby creating a band of electrons and holes. The electrons move toward the N-type and the holes move toward the P-type by the positive electric field. Therefore, an electrically neutral balance is inclined to generate a potential between the N-type and P-type semiconductors. For this reason, P type has a positive potential, N type has a negative potential, and acts as an electromotive force to an external circuit, and usually generates about 2.1 V of electromotive force per unit cell.

According to the present invention, the photo battery cell 110 and the rechargeable battery 130 are electrically connected to each other so that the rechargeable battery 130 can be charged with the current generated in the charging circuit 120 by the photo battery cell 110. According to the present invention, the remaining amount monitoring unit 140 electrically connected to the rechargeable battery 130 is provided inside the device to monitor the remaining state of the rechargeable battery 130 at all times, and the photo battery cell 110 when the remaining capacity of the rechargeable battery 130 is insufficient. Charge the rechargeable battery 130 with the current generated by the ().

Here, the digital door lock device incorporating the driving device 100 functions as a locking device that is driven by a power source of a built-in rechargeable battery and is mounted on a door to be mechanically engaged or released with the door. At this time, the digital door lock device is a device using an encryption number consisting of a combination of installed buttons (0-9, *, #, etc.) as a key, and internally, an encryption button sound, that is, an encrypted digital sound, When sequentially input as the set encryption number, the opening and closing operation is performed.

Referring to the conceptual description of the present invention with reference to FIG. 1, when the device is installed in a place where sunlight does not shine, the rechargeable battery 130 may not be charged, and the current generated by the photovoltaic cell 110 may not be charged. If the battery 130 is continuously charged, the life of the rechargeable battery 130 may be shortened or broken.

Therefore, the present invention has the configuration as shown in FIG. 2 to solve the problems shown in FIG. 2 is a schematic diagram of a non-contact automatic charging device using light according to an embodiment of the present invention.

As shown in FIG. 2, the present invention further includes a light supply device 200 to enable generation of current by light even when installed in a place without sunlight. The light supply device 200 is spaced apart from the driving device 100 and supplies light to the driving device 100. The light supplying device always directs the light to the photo battery cell 110 so that sufficient light is supplied to the photo battery cell. To 110.

In addition, the light supply device 200 may be driven only when the remaining amount of the rechargeable battery 130 is insufficient, so that the life is long. In this case, the driving of the light supply device 200 is performed by the driving device 100, and in particular, by the digital light signal output from the driving device 100.

Here, the optical signal output from the driving device 100 should be different from the wavelength of the light provided from the light supply device 200.

Hereinafter, a non-contact automatic charging device using light according to a first embodiment of the present invention will be described in more detail with reference to FIG. 3.

3 is a block diagram of a non-contact automatic charging device using light according to the first embodiment of the present invention. As shown in FIG. 3, the driving device 100 according to the first embodiment of the present invention includes an optical battery cell 110, a charging circuit 120, a rechargeable battery 130, a remaining amount monitoring unit 140, and a main controller ( 150 and a communication light emitting unit 160, and the light supply device 200 includes a communication light receiving unit 210, a light emission controller 220, and a light supply unit 230.

In operation, the remaining state of the rechargeable battery 130 is always monitored by the remaining amount monitoring unit 140 that detects the voltage of the rechargeable battery 130, and the voltage of the rechargeable battery 130 detected by the remaining amount monitoring unit 140. Is input to the controller 150, and the controller 150 determines the remaining state of the rechargeable battery 130 based on the voltage of the input rechargeable battery 130.

In the above determination, when the controller 150 determines that the remaining capacity of the rechargeable battery 130 is insufficient, the controller 150 outputs and drives a control signal to the communication light emitting unit 160, and the communication light emitting unit 160 notifies the driving of the light supply device. The signal is emitted to the light supply device 200.

The light supply device 200 and the driving device 100 are installed to face each other. In particular, the communication light emitting unit 160 and the communication light receiving unit 210 face each other, and the light emitting unit 200 and the optical battery cell 110 It is installed to face each other.

The communication light receiver 210 receives the light irradiated from the communication light emitter 160 and transmits the light to the light emission controller 220, and the light emission controller 220 determines the digital light signal. In this case, if the determined signal is driven by the light supply unit 230, the light emission controller 220 turns on the switch S2 to allow external power to be applied to the light supply unit 230.

The light supply unit 230 is a laser diode, a light emitting diode (LED), or the like, and is driven by the light emission controller 220 to supply light to the photo battery cell 110. In this case, the wavelength of the light emitted from the light supply unit 230 has a wavelength of a band sensitive to the operation of the photo battery cell 110. This is because the photovoltaic cells (or solar cells) are sensitive to the operation of each kind, that is, they have bands with different reception sensitivity. Therefore, in the present invention, the light supply unit 230 supplies light having a wavelength corresponding to the installed battery cells regardless of the solar cells or the photovoltaic cells.

In addition, the light irradiated from the optical battery cell 110 should have a wavelength of a band different from the wavelength of the light supplied from the communication light emitting unit 160. This is because when the light irradiated by the communication light emitting unit 160 and the light irradiated by the light emitting unit 200 are the same, an undesired current may be generated by the photo battery cell 110 and charged in the rechargeable battery 130.

On the other hand, the photo battery cell 110 receives the light supplied from the light emitting unit 230 and converts it into electrical energy to be input to the charging circuit 120. At this time, the switch S1 is maintained in the on state by the controller 150. The maintenance of the on state of the switch S1 is until the controller 150 determines that the state of charge of the rechargeable battery 130 is sufficient. That is, when the voltage of the rechargeable battery 130 reaches a predetermined voltage, the controller 150 determines that the battery is sufficiently charged, and accordingly turns off the switch S1 so that the current is no longer applied to the rechargeable battery 130.

The charging circuit 120 collects an electrical signal input from each cell of the photo battery cell 110, generates a current, and supplies the current to the rechargeable battery 130.

Here, the controller 150 turns off the switch S1 and simultaneously drives the communication light emitting unit 160 so that a digital light signal for stopping the driving of the light emitting unit 230 is input to the communication light receiving unit 210. . The digital light signal for stopping the driving of the light emitter 230 is transmitted to the light emission controller 220 by the communication light receiver 210, and the light emission controller 220 determines the received digital light signal to control the switch S2. By turning off, the external power is not applied to the light emitter 230. Accordingly, light is not supplied to the photo battery cell 110.

Hereinafter, a non-contact automatic charging device using light according to a second embodiment of the present invention will be described with reference to FIG. 4. 4 is a block diagram of an automatic charging device using light according to a second embodiment of the present invention.

The automatic charging device according to the second embodiment of the present invention further includes a function of monitoring the state of the driving device 100 and the light supply device 200 while monitoring the state of each other. To this end, the second embodiment of the present invention further includes a first display unit 170 on the driving device 100 and a second display unit 240 on the light supply device 200 for monitoring, as shown in FIG. 4. It is configured by.

In operation, the main controller 150 of the driving device 100 applies a command signal for supplying light from the light supply device 200 through the communication light emitting unit 160, and then supplies the light supply device for a predetermined time. When light is not supplied from the battery 200 (ie, when the voltage of the rechargeable battery does not rise), the first display unit 170 is driven to notify the user of the abnormality of the light supply device 200.

In this case, the first display unit 170 and the second display unit 240 may be a device for generating an alarm sound, may be a device for emitting an alarm light, in particular, the abnormality of the light supply device 200 through a letter or symbol. It may be a device for notifying.

On the other hand, the light emission control unit 220 of the light supply device 200 is a signal of the communication light emitting unit 160 of the driving device 100 received through the communication light receiving unit 210 is abnormal data, or the light to the driving device 100 If a signal for requesting the light supply is not input even after a predetermined time (a period of remaining charge of the battery is insufficient) from the time of supplying the light source, the second display unit 240 is driven to notify the user of the abnormality of the driving device 100.

The controller 150 of the driving device 100 receives light from the light supply device 200 and receives light from the next light supply device 200 from the time when the rechargeable battery 130 is charged. The time until the point of time is checked, and when the checked time is within a predetermined time, the first display unit 170 is driven to notify the performance of the rechargeable battery 130. The controller 150 determines the state of the rechargeable battery 130 according to the output of the remaining amount monitoring unit 140, that is, during charging, fullness, failure, overcharging, error occurrence, and the like. 170).

Hereinafter, a non-contact automatic charging device using light according to a third embodiment of the present invention will be described with reference to FIG. 5.

5 is a block diagram of a non-contact automatic charging device using light according to a third embodiment of the present invention. As shown in FIG. 5, the automatic charging device according to the third embodiment of the present invention has the driving device 100 and the light supply device 200 having the same configuration. This is to drive the light supply device 200 by its own rechargeable battery without using an external power source like the driving devices of the first and second embodiments while performing both the functions of the first and second embodiments.

Here, it can be seen from the description of FIG. 1 that the driving device 100 includes a configuration for performing its own function such as a digital door lock device or a security monitoring device in addition to the configuration shown in FIG. 5.

Accordingly, each of the devices 100 and 200 may generate the first and second rechargeable batteries 12 and 22 and the light incident from the opposing device as current, respectively. First and second to monitor the remaining amount of the first and second photovoltaic cells 10 and 20, the charging circuits 11 and 21, and the first or second rechargeable batteries 12 and 22 to charge 22). The first and second light emitting units 15 and 25 for communication for outputting a digital light signal to inform the remaining power shortage of the remaining amount monitoring unit 13 and 23 and the first or second rechargeable batteries 12 and 22 and the digital light signal Operating state of the device facing the first and second light receiving units 16 for communication, the first and second light supply units 18 and 28 for supplying light to each other, and the own rechargeable batteries 12 and 22. The first and second display units 17 and 28 and the switches S1, S2, S3 and S4 indicating the result of monitoring the abnormality of the first and second controls for turning on / off control and operation of each component. And control sections 14 and 24.

Therefore, the automatic charging device according to the third embodiment of the present invention has all the functions of the first and second embodiments, and can generate and use power by itself without the help of an external power source.

In the first to third embodiments of the present invention, only a case where a secondary battery, that is, a rechargeable battery is used, has been described, but it is possible to use a capacitor having a large capacity instead of the rechargeable battery. When a capacitor having a large capacity is used instead of the rechargeable battery, it is preferable to use the capacitor in a state where the capacitor is fully filled in advance.

The technical spirit of the present invention has been described above with reference to the accompanying drawings, but this is by way of example only and not intended to limit the present invention. In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.

The present invention is to automatically charge the rechargeable battery built-in digital door lock device or security monitoring device using light whenever necessary, to eliminate the inconvenience of replacing the rechargeable battery, and to automatically charge even in the absence of light This prevents the device from operating due to lack of remaining charge.

Claims (9)

An optical battery cell connected to supply electrical energy to a charging circuit of a rechargeable battery; A remaining amount monitoring unit for monitoring a remaining amount of electric energy accumulated in the rechargeable battery; A communication light emitting unit emitting light of a charge request signal according to a monitoring result of the remaining amount monitoring unit; A communication light receiving unit which receives a charge request signal light from the communication light emitting unit; And The non-contact automatic charging device using light including a light supply unit for supplying light energy for photoelectric conversion to the optical battery cell in accordance with the charge request light is received in the light receiving unit. In claim 1, The light receiving unit is configured to receive only signal light spaced apart from the light emitting unit, and the light supply unit is a non-contact automatic charging device using light, characterized in that configured to transmit only the light energy in a state spaced apart from the optical battery cell. In claim 1, The light emitting unit is a non-contact automatic charging device using light, characterized in that configured to emit a charge completion signal light toward the light receiving unit according to the charge completion signal transmitted from the remaining amount monitoring unit. In claim 1, Non-contact automatic charging device using light, characterized in that the light emitted from the light supply and the light emitted from the light emitting unit has a wavelength of different bands. In claim 1, A first step of informing the abnormality of the light supply unit by determining that no light is incident from the light supply unit when the electric energy of the rechargeable battery detected through the remaining amount monitoring unit does not increase even after a predetermined time after requesting light emission through the light emitting unit; Non-contact automatic charging device using light further comprising a display unit. In claim 5, And an error detection unit configured to determine the state of the rechargeable battery by determining the output of the remaining amount monitoring unit, and to drive the first display unit to determine the charged state and abnormality of the rechargeable battery. In claim 1, If the device is spaced apart from the light emitting unit and is electrically connected to the light receiving unit and a signal for requesting light supply from the light emitting unit does not occur even after a predetermined time has elapsed since the light is supplied to the optical battery cell, the user may have an abnormality of the device. Non-contact automatic charging device using light further comprising a second display unit for notifying. In the digital door lock device which is driven by a built-in rechargeable battery, a plurality of buttons for generating a digital button sound is formed, and the lock and release of the door using a password consisting of a combination of the plurality of button sounds, the key, An optical battery cell connected to supply electrical energy to a charging circuit of a rechargeable battery; A remaining amount monitoring unit for monitoring a remaining amount of electric energy accumulated in the rechargeable battery; And And a communication light emitting unit for emitting a charge request signal light according to the monitoring result of the remaining amount monitoring unit. In claim 8, A communication light receiving unit spaced apart from the light emitting unit and receiving a charge request signal light from the light emitting unit; And Non-contact type using a light spaced apart from the optical battery cell and electrically connected to the light receiving unit, and further comprising a light supply unit for supplying the optical energy for photoelectric conversion to the optical battery cell as the charge request light is received in the light receiving unit Automatic charging device.