JP6654768B2 - Power supply control system - Google Patents

Description

  The present invention relates to a power supply control system used when a variety of electric devices such as a television, a refrigerator, an air conditioner, and a laundry device are used for a fixed fee, and more particularly to a power supply control system that inserts a key and energizes the electric device. Things.

  Televisions, refrigerators, laundry equipment, and the like that are installed and used in facilities such as hospitals and hotels are generally charged for use (time lending) equipped with a timer.

  In this system, when using a television or the like, a prepaid card is recorded to the user that records the number of available services corresponding to the amount paid in advance, and the prepaid card is inserted into a timer attached to the television. By doing so, you can view. Then, the presence or absence of current consumption is detected by a current detection circuit mounted on the timer, arithmetic processing is performed according to the usage time, and frequency subtraction is performed according to the set predetermined subtraction rate, and the time according to the available frequency is performed. Only being able to watch TV.

  Specifically, the card timer is connected to the power line of the TV, and after the power is turned on, the available frequency corresponding to the available time based on the charging rate is reduced, and the total available frequency recorded on the prepaid card is reduced. When the power goes out, the power is cut off so that power is not supplied to the television.

  Such a timer system using a prepaid card is used, for example, for billing for the usage time of a television in a hospital room (see Patent Document 1). Japanese Patent Application Laid-Open No. H11-163873 uses a main card on which monetary data is recorded and an auxiliary card, and starts an inspection program for checking the operation of a control board on which a control circuit for controlling energization is formed. A configuration in which inspection start data is stored is disclosed. In addition, the microcomputer has means for calculating the frequency of data read by the card reader / writer in units of time, adding / subtracting and rewriting the data, and having a microcomputer determining means capable of confirming the presence / absence of a card or the presence / absence of a signal as a signal. Only when available by means, electric devices such as televisions, refrigerators, coolers, etc. were activated, and when they were activated, a signal was sent to the timer control unit, and a control board that performs arithmetic processing inside the timer according to the usage time was deployed. One is disclosed (see Patent Document 3).

JP 2002-319069 A JP 05-128351 A Japanese Patent No. 3031406

  By the way, in the timer system as described above, a timer device provided in parallel with the electric equipment and a dedicated device for adding or supplementing the available frequency to the prepaid card are required, and there is a problem that initial investment of the equipment is increased. In recent years, a method has been adopted in which the usage fee of electrical equipment is covered by accommodation and hospitalization fees so that the usage time is not limited and can be used. Is also unequal to those who use electrical equipment, which is a cause of trouble when the usage fee is settled.

  An object of the present invention is to provide a power supply control system that can be manufactured and operated at low cost and that can use electric equipment with a fixed amount and simple operation in view of the above problems. .

  For this reason, the power supply control system of the present invention is configured such that the key is inserted, the cylinder lock for switching between the first lock position and the second lock position, and the power supply to the connector is turned on at the first lock position. An electrical equipment control board that turns off the power to the connector at the lock position 2, a power plug connected to the electrical equipment control board to input commercial power, and a commercial power supply connected to the electrical equipment control board to electrical equipment A first feature is that a connection connector for energizing is provided.

  A second feature is that a plurality of the connection connectors are provided, and each time the key is switched to the first lock position, an electrical device to be energized is switched, and the cylinder lock and the electrical device control board are configured. A third feature is that a spark killer is connected therebetween.

  Further, a card reader in which a storage medium in which predetermined key information is recorded is inserted, and the key information is read from the storage medium, a display section lit and displayed when power is supplied to the electric device, and a display section A display unit control unit capable of controlling turning on or off of the display unit, a display unit detection unit that detects a state of the display unit, and an electric power that determines an electric device to which power is supplied from the state of the display unit detected by the display unit detection unit A fourth feature is that the apparatus is provided with a supply determining unit, and is configured so as to energize a predetermined electric device depending on a lighting state of a display unit each time a storage medium is inserted into a card reader.

The power supply control system of the present invention has the following excellent effects.
(1) Since a timer circuit is not required, the production cost can be reduced. Further, the size can be reduced, and the installation space can be reduced.
(2) Since a dedicated device for adding or supplementing the available frequency is not required, the initial investment of the system can be suppressed.
(3) Since the number of keys or storage media created as a master key can be specified, operation costs can be reduced.
(4) Since the electric device is operated according to the state of the display unit, the energized electric device is easily visible and is highly convenient.
(5) Since power is supplied by performing an unlocking operation with a key or a storage medium, only those who desire to use the electric device can use it.
(6) Since the spark killer is provided between the cylinder lock and the electric device control board, it is possible to suppress an overvoltage generated when the key is turned off.

1 is a block diagram illustrating a power supply control system according to a first embodiment of the present invention. It is a perspective view showing the structure of the power supply control system concerning a first embodiment of the present invention. It is a block diagram showing a power supply control system concerning a second embodiment of the present invention. It is a perspective view showing the structure of the power supply control system concerning a second embodiment of the present invention. It is a flow chart explaining operation of a power supply control system concerning a second embodiment of the present invention.

<First embodiment>
Hereinafter, a power supply control system according to a first embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the power supply control system according to the first embodiment of the present invention is configured by connecting a control box 1 to electric devices such as a television 3a and a refrigerator 3b, and includes a key 2a and a cylinder lock 2b. This is a power supply control system that turns ON / OFF the electric circuit by a key switch and enables electric power to be supplied to electric devices such as the television 3a and the refrigerator 3b.

  As shown in FIG. 2, the control box 1 includes a cylinder lock 2b having a key hole 21b into which the key 2a is inserted, a power supply device 13 for inputting commercial power through a power plug 15, and an electric device control board 14, Electric power is supplied to the electric devices 3a and 3b (for example, televisions and refrigerators) connected to the electric device control board 14 via the connection cables 16a and 16b.

  In the cylinder lock 2b, for example, a printed circuit board is provided in a bottom opening of a casing, a switch rotor is rotatably housed in an inner bottom, a cylinder barrel and a shaft are formed integrally with the switch rotor, and a keyhole 21b is formed therethrough. Is formed.

  When the predetermined key 2a is inserted into the keyhole 21b, the cylinder barrel, the shaft and the switch rotor together with the key 2a are turned on (the first lock position 21a) and off (the second lock position 22a). The cylinder barrel, shaft and switch rotor rotate with the key 2a, and the movable contact piece on the end face of the switch rotor slides on the fixed contact on the surface of the printed circuit board to switch ON / OFF of the electric circuit. Have been. Therefore, the structure is usually used for a key switch, and is not limited to the above-described structure. Any form of key switch including a key and a cylinder lock may be used. In the present invention, the position of the key 2a at which power can be supplied to the electric device is referred to as a first lock position 21a, and the position of the key 2a at which power supply to the electric device is interrupted is referred to as a second lock position 22a.

  The electric device control board 14 is connected to the I / O port, a memory as a storage means for storing the energization time information, for example, an IC chip such as a RAM and a ROM, and the connection cables 16a and 16b. It is composed of a switch relay that supplies or cuts off power to the electric device in conjunction with the operation. In addition, the electric device control board 14 includes a transformer and a rectifier for inputting commercial power through the connected power supply device 13 and generating an appropriate voltage for operating the electric devices 3a and 3b. Further, it is preferable to connect a spark killer 14a between the cylinder lock 2b and the switch relay from the viewpoint of suppressing an overvoltage generated due to the OFF operation of rotating the key 2a to the second key position and preventing sparks at the contacts. . More preferably, as shown in FIG. 1, by connecting the spark killer 14a also between the switch relay and the connection cables 16a, 16b, it is expected that the failure of the control box 1 can be surely prevented, but from the viewpoint of cost reduction. For this reason, it is preferable to provide between the cylinder lock 2b and the switch relay.

  The control box 1 according to the first embodiment of the present invention has the above-described block configuration, and is provided in a housing 1a as shown in FIG. The keyhole 21b is provided on the front side of the housing 1a in consideration of operability. A power supply plug 15 for inputting commercial power and connection connectors 16a and 16b for supplying power to the electric devices 3a and 3b are provided on the rear side of the housing 1a. Then, by inserting the key 2a into the keyhole 21b and rotating the key 2a to the first lock position 21a for switching, the power supply to the electric device is started via the switch relay of the electric device control board 14 (by closing the circuit switch). By turning the key 2a to the second lock position 22a for switching, the power supply to the electric device is cut off (by opening the circuit switch) via the switch relay of the electric device control board 14. .

<Second embodiment>
Hereinafter, a power supply control system according to a second embodiment of the present invention will be described with reference to FIGS.

  In the power supply control system according to the second embodiment of the present invention, as shown in FIG. 3, a control box 1 is connected to electric devices such as a television 3a and a refrigerator 3b, and predetermined key information is stored. This is a power supply control system that enables electric power to be supplied to electric devices using the card key 2c. Here, a case where a magnetic or IC card is used as the card key 2c will be described as an example.

  As shown in FIG. 3, the control box 1 includes a card reader 11 for reading a magnet or an IC, display units 12a and 12b, a power supply device 13 connected to a commercial power supply, and an electric device control board 14. The electric devices 3a and 3b (for example, televisions and refrigerators) connected to and disposed on the device 14 via the connection cables 16a and 16b are operated.

  That is, the control box 1 includes a card reader 11 having reading means for reading key information stored in the card key 2 c, a power supply 13 connected to a commercial power supply via a power plug 15, a card reader 11 and a power supply It is composed of an electric equipment control board 14 connected to the device 13 and a plurality of display units 12a and 12b connected to the electric equipment control board 14, and is connected and arranged from the electric equipment control board 14 via external connectors 16a and 16b. The power is supplied to the electrical devices 3a and 3b.

  As the card key 2c, any storage medium in which key information is recorded in advance by magnetism or IC can be used. Here, the key information refers to information for authenticating whether or not the inserted card key 2c is correct, and is, for example, an encrypted barcode.

  The electric device control board 14 controls an I / O port, a memory as storage means for storing key information from the card reader 11, for example, an IC chip such as a RAM and a ROM, and turns on / off the display units 12a and 12b. CPU including a display unit control unit capable of detecting the display units 12a and 12b to be turned on / off, and a power supply determination unit that determines a device to which power is supplied based on the lighting state of the display units 12a and 12b. It is composed of In addition, the electric device control board 14 includes a transformer and a rectifier for inputting commercial power through the connected power supply device 13 and generating an appropriate voltage for operating the electric devices 3a and 3b.

  Each of the display units 12a and 12b employs a light-emitting diode that is turned on in response to a light-on / light-off command from the electric device control board 14. The CPU of the device control board 14 is configured to determine the on / off state of the display units 12a and 12b. However, the above example is merely an example, and the present invention is not limited to this example, and can be appropriately changed.

  The control box 1 according to the second embodiment of the present invention has the above-described block configuration, and is provided in the housing 1a as shown in FIG. The display sections 12a and 12b and the insertion slot 11a of the card key 2c are provided on the front side of the housing 1a for convenience in order to make it easy to visually recognize the energized state. A power supply plug 15 for inputting commercial power and connection connectors 16a and 16b for supplying power to the electric devices 3a and 3b are provided on the rear side of the housing 1a.

  Next, the main processing of the power supply control system according to the second embodiment of the present invention will be described with reference to FIGS. When it is determined that the card key 2c is inserted into the card key insertion slot 11a (S1), the key information of the card key 2c is read by the card reader 11 (S2), recorded on the electric device control board 14, and displayed on the display unit 12a, The lighting state of 12b is detected and determined (S3).

  When it is determined that both the display units 12a and 12b are turned off, the electric device 3a is energized (S4), the display unit 12a is turned on (S5), and the card key 2c is ejected from the card reader 11 (S10). ).

  When it is determined that only the display unit 12a is turned on, the electric device 3b is energized (S6), the display unit 12b is turned on (S7), and the card key 2c is ejected from the card reader 11 (S10).

  When it is determined that both the display units 12a and 12b are turned on, the power supply to the electric devices 3a and 3b is cut off (S8), and both the display units 12a and 12b are turned off (S9), and the card reader 11 sends the card key 2c. Is discharged (S10).

  Since the power supply control system according to the second embodiment of the present invention is configured as described above, by repeatedly inserting and ejecting the card key 2c into and from the card reader 11, (1) the electric devices 3a, 3b can be operated in a non-energized state, (2) only the electric device 3a is in the energized state, and (3) both the electric devices 3a and 3b can be operated in the energized state repeatedly.

  Note that the gist of the power supply control system according to the first embodiment of the present invention is that the key 2a is inserted into the cylinder lock 2b and rotated, the unlocking operation and the locking operation are repeated, and the power supply to the electric device is turned on. The point of switching off is that the gist of the power supply control system according to the second embodiment of the present invention is that every time an unlocking operation of inserting a card key 2 c as a storage medium into the card reader 11 is performed, The point is that the energization is repeatedly switched from ON to OFF. Therefore, in the above-described embodiment, the description has been made such that the energization to each of the electric devices is switched from ON to OFF using two electric devices. However, the present invention is not limited to this. For example, only one electric device is used. In the case where one electric device is provided repeatedly, ON → OFF is repeated. When three or more electric devices are provided, the power supply to each electric device is turned ON → OFF. good.

  In addition, by combining these, in the power supply control system according to the first embodiment of the present invention, the electric device to be energized may be switched each time the key 2a is switched to the first lock position 21a.

  Furthermore, the first embodiment of the present invention is combined with the second embodiment of the present invention. For example, the first embodiment is provided with the display units 12a and 12b in the second embodiment, The lighting may be performed by receiving a light-on / light-off command from the board 14, and the CPU of the electric device control board 14 may determine the light-on / light-off state of the display units 12 a and 12 b.

  The card key 2c is created as a storage medium only for the purpose of using the electric device as described above. In addition, for example, key information is magnetically or IC-recorded in a room key for locking a hotel room. These may be read by the card reader 11. As described above, the number of storage media to be created can be specified, and it is not necessary to create an unspecified number of cards, so that operating costs can be reduced. In the present embodiment, the television and the refrigerator are taken as examples of the electric equipment. However, the present invention is not limited to this, and any electric equipment generally installed in facilities such as hospitals and hotels may be used. Examples of such electrical devices include telephones, washing machines, extension outlets, terminal devices such as USBs, PCs, tablets, and LAN lines.

DESCRIPTION OF SYMBOLS 1 Control box 1a Case 11 Card reader 11a Card key insertion slot 12 Display unit 13 Power supply device 14 Electrical equipment control board 14a Spark killer 15 Power plug 16 Connector 2a Key 2b Cylinder lock 2c Card key 21a First lock position 22a 2 lock position 21b keyhole 3 electrical equipment

Claims (3)

In a power supply control system for energizing connected electrical equipment, a key is inserted, a cylinder lock for switching between a first lock position and a second lock position, and energization to a connection connector is turned on at the first lock position. An electrical equipment control board for turning off the power to the connector at the second lock position, a power plug connected to the electrical equipment control board for inputting commercial power, and a commercial power supply connected to the electrical equipment control board. A power supply control system, comprising: a plurality of connection connectors for energizing the electric device, and each time the key is switched to the first lock position, the electric device to be energized is switched . The power supply control system according to claim 1, wherein a spark killer is connected between the cylinder lock and the electric device control board . In a power supply control system for energizing connected electrical equipment, a storage medium in which predetermined key information is recorded is inserted, a card reader that reads key information from the storage medium, and power is supplied to the electrical equipment. A display unit that is lit and displayed when the display unit is on, a display unit control unit that can control turning on or off of the display unit, a display unit detection unit that detects a state of the display unit, and a display unit that is detected by the display unit detection unit. Power supply determining means for determining an electric device to which electric power is supplied from a state, wherein a predetermined electric device is turned on by a lighting state of a display unit every time a storage medium is inserted into a card reader. And power supply control system.

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