JP2007321425A - Electric lock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To set up an electric lock easily even after door construction work and enable its stable operation. <P>SOLUTION: This electric lock 1 is provided with driving devices 20, 21 provided on a rear surface 6a being an indoor side face of a door 6 provided with a first lock device 80 and a second lock device 81 composed of existing lock devices locking and unlocking by manual operation, respectively, and connected mechanically with each lock device 80, 81 to lock and unlock each lock device 80, 81 and a feeding device 3 composed of an electric power transmission part 4 attached to a door frame 7 of the door 6, having primary winding wire provided near the door 6, and connected with commercial power supply AC and an electric power receiving part 5 having secondary winding wire provided on the door 6 so as to connect with the primary winding wire through a transformer in a non-contact manner while the door 6 is closed to feed electric power to each driving device 20, 21. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an electric lock that is installed on a door or the like and used for automatic locking and unlocking.

Conventionally, an electric lock that can be automatically locked and unlocked has been provided (for example, Patent Document 1). The electric lock disclosed in Patent Document 1 is embedded and attached to a door during door construction work, and power is supplied by a non-contact power supply member using a transformer.
JP-A-9-317346 (FIGS. 1 and 5)

  By the way, since the electric lock of patent document 1 is embed | buried in a door at the time of construction work of a door as mentioned above, it is necessary to perform installation work of an electric lock simultaneously at the time of construction work, such as a door. Therefore, when trying to install the electric lock of Patent Document 1 on a door or the like that has already been installed and manually locked and unlocked (ie, when an electric lock is to be retrofitted), The work of dismantling once and replacing the existing lock device with the electric lock of Patent Document 1 had to be performed.

  In other words, the electric lock disclosed in Patent Document 1 cannot be installed easily after the door construction work is performed, and it is very time-consuming to install the electric lock when it is retrofitted. There was a problem.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an electric lock that can be easily installed even after a door is constructed and can perform a stable operation.

  In order to solve the above problems, in the invention of the electric lock according to the first aspect of the present invention, the existing lock device for manually locking and unlocking is installed on the surface on the indoor side of the door, and the lock device has a machine. Drive device that is coupled to each other to lock and unlock the lock device, a power transmission unit that has a primary winding installed near the door and is connected to a commercial power source, and a primary device with the door closed The power supply device includes a power receiving unit that has a secondary winding installed on the door so as to be transformer-coupled in a non-contact manner with the winding and that supplies power to the drive device.

  The invention of the electric lock according to claim 2 is characterized in that, in addition to the configuration of claim 1, the power receiving unit of the driving device and the power feeding device is formed integrally.

  In addition to the configuration of claim 1, the electric lock invention of claim 3 is characterized in that the power transmission unit is embedded in the door frame and the power reception unit is embedded in the door.

  According to a fourth aspect of the invention of the electric lock, in addition to the configuration of the first aspect, at least one of the primary winding of the power transmitting unit and the secondary winding of the power receiving unit is embedded.

  In the electric lock invention of claim 5, in addition to the structure of claim 1, at least one of the primary winding and the secondary winding is formed in a film shape and disposed in the gap between the door and the door frame. It is characterized by.

  Since the invention of the electric lock according to claim 1 can be installed by a simple operation of attaching the power transmission unit of the power feeding device in the vicinity of the door and attaching the power receiving unit and the driving device of the power feeding device to the door, However, it has the effect that it can be easily installed, and since the power supply device can supply power from the commercial power source to the drive device in a non-contact manner, unlike the case where a battery or the like is used, the operation does not stop suddenly and is almost omitted. It becomes possible to operate the drive device permanently, and there is an effect that a stable operation can always be performed.

  Since the invention of the electric lock of claim 2 can attach the power receiving unit and the driving device in a lump, the installation work can be further facilitated.

  The invention of the electric lock according to claim 3 embeds the power transmission unit and the power reception unit in the door and the door frame, respectively, so as not to protrude indoors. There is an effect that a power transmission unit can be installed.

  The invention of the electric lock according to claim 4, embeds the primary winding of the power transmission unit or the secondary winding of the power reception unit or both of them, so that the amount protruding to the indoor side of the power transmission unit or the power reception unit or both thereof is increased. Thus, the power transmission unit and / or the power reception unit can be made inconspicuous, and the aesthetic appearance of the door frame and / or the door can be made difficult.

  The invention of the electric lock according to claim 5 projects into the indoor side of the power transmission unit and / or the power reception unit by forming the primary winding of the power transmission unit and / or the secondary winding of the power reception unit in a film shape. Can reduce the amount of power to be transmitted, thereby making the power transmission unit and / or power reception unit inconspicuous, making it difficult to impair the appearance of the door frame and / or the door, and also the primary winding or the secondary Since the winding or both are arranged in the gap between the door frame and the door, when the primary winding or the secondary winding or both are arranged, the door frame or the door or both are processed. There is an effect that it is not necessary.

(Embodiment 1)
As shown in FIGS. 1A and 2, the electric lock 1 of the present embodiment is provided with a first lock device 80 and a second lock device 81, each of which is an existing lock device that is manually locked and unlocked. Drive devices 20 and 21 which are installed on the rear surface 6a which is the indoor (indoor) side surface of the door 6 and are mechanically coupled to the lock devices 80 and 81 to lock and unlock the lock devices 80 and 81. The power transmission unit 4 having the primary winding 4b installed in the vicinity of the door 6 by being attached to the door frame 7 of the door 6 and connected to the commercial power source AC, and the door 6 are closed. A power feeding device 3 including a power receiving unit 5 that has a secondary winding 5b installed on the door 6 so as to be transformer-coupled to the primary winding 4b in a non-contact manner and supplies power to the driving devices 20 and 21. I have.

  First, the door 6 and the door frame 7 to which the electric lock 1 is attached will be described with reference to FIGS. In the following description, the upper side of FIG. 1A is defined as the upper side of the door 6, and the lower side of FIG.

  For example, the door 6 is formed of a flush door formed by forming a rectangular frame-shaped frame with unillustrated recumbent ribs and vertical rods, and affixing a rectangular plate material such as a plywood on both surfaces of the frame. A first locking device 80 for manually locking and unlocking is embedded in an edge portion of the door 6 in one horizontal direction (the right end side in FIG. 1A), and below the first locking device 80. Is embedded with a second locking device 81 for manually locking and unlocking. Further, a hinge (hinge) 9 for attaching the door 6 to the door frame 7 so as to be freely opened and closed is provided on the other end side in the horizontal direction of the door 6 (left end side in FIG. 1A). The door 6 on which the electric lock 1 is installed is not limited to the above-described flush door, but a casket (cassette) door in which an end plate is disposed in a rectangular frame-like squirrel opening composed of a recumbent fence and a vertical casket. Or it may be a solid door.

  Here, the first lock device 80 is used as a main lock, and as shown in FIG. 1A, an insertion hole (not shown) for a dead bolt 80b described later and a latch bolt 80c described later. A lock surface (not shown) having a through hole (not shown) faces a side surface of one end of the door 6 in the horizontal direction (that is, a vertical frame 71 described later of the door frame 7 with the door 6 closed). A housing 80a embedded in the door 6 so as to be exposed to the surface 6b. Further, the first locking device 80 includes the above-described dead bolt 80b provided in the casing 80a so as to protrude from the insertion hole for the dead bolt 80b provided in the locking surface of the casing 80a, and the operation of the dead bolt 80b. And a cylinder lock (not shown) for performing an operation of moving the dead bolt 80b using a key. The thumb turn is provided on the housing 80a so as to be exposed on the back surface 6a of the door 6, and the cylinder lock is provided on the housing 80a so as to be exposed on the front surface (that is, the outdoor surface) 6c of the door 6. .

  The first locking device 80 is provided on the housing 80a so as to protrude from an insertion hole for the latch bolt 80c provided on the locking surface of the housing 80a and protrudes by an elastic member (not shown) such as a spring. The above-described latch bolt 80c urged in the direction to move, and a handle lever 80d for immersing the latch bolt 80c into the housing 80a against the urging of the elastic member, The housing 80a is provided so as to be exposed on both the front surface 6c and the back surface 6a of the door 6.

  In such a first locking device 80, the thumb turn is operated from the indoor side, and the thumb turn is positioned at the locking position or the unlocking position so that the dead bolt 80b can be used for locking and unlocking, and the cylinder lock is operated from the outside of the room. By doing so, locking and unlocking with the dead bolt 80b can be performed. When the door 6 is closed, the door 6 is locked by the latch bolt 80c, and the lock by the latch bolt 80c can be released by operating the handle lever 80d. Note that a door knob may be used instead of the handle lever 80d, or a door lock integrally provided with a cylinder lock may be used.

  On the other hand, the second locking device 81 is used as an auxiliary lock, and as shown in FIG. 1A, a lock surface (not shown) having an insertion hole (not shown) for a dead bolt 81b described later. ) Includes a housing 81 a embedded in the door 6 so as to be exposed on the side surface 6 b of the door 6. The second locking device 81 includes the above-described dead bolt 81b provided in the housing 81a so as to protrude from the insertion hole of the lock surface of the housing 81a, and a thumb turn (not shown) for the operation of the dead bolt 81b. ) And a cylinder lock (not shown) for performing the operation of moving the dead bolt 81b using a key. The thumb turn is provided on the housing 81 a so as to be exposed on the back surface 6 a of the door 6, and the cylinder lock is provided on the housing 81 a so as to be exposed on the front surface 6 c of the door 6.

  In such a second locking device 81, similarly to the first locking device 80, the thumb turn is operated from the indoor side, and the thumb turn is positioned at the locking position or the unlocking position so that the dead bolt 81 b can be used for locking and unlocking. From the outdoor side, the lock can be locked and unlocked by the dead bolt 81b by operating the cylinder lock.

  In addition, since the conventionally well-known locking device can be used as such a 1st locking device 80 and the 2nd locking device 81, detailed description is abbreviate | omitted.

  The door frame 7 is, for example, a three-way frame that includes a pair of vertical frames 70 and 71 that are parallel to each other and a horizontal frame 72 that connects the upper ends of the pair of vertical frames 70 and 71. , 71 and the horizontal frame 72 are each formed in a rectangular tube shape using a metal material such as aluminum. In addition, as the vertical frames 70 and 71 and the horizontal frame 72 of the door frame 7, you may use what was formed in prismatic shape using the timber.

  In the door frame 7, a first receiving seat 73 for the first locking device 80 is provided on a side surface 71 a of the vertical frame 71 facing the side surface 6 b of the door 6, and the first receiving seat 73 has a first receiving seat 73. Bolt holes 73a and 73b into which the dead bolt 80b and the latch bolt 80c of the one-lock device 80 are respectively inserted are provided. Further, a second receiving seat 74 for the second locking device 81 is provided on the side surface 71a of the vertical frame 71, and the dead bolt 81b of the second locking device 81 is immersed in the second receiving seat 74. Bolt holes 74a are provided. Accordingly, the door 6 is locked when one of the dead bolt 80b, the latch bolt 80c, and the dead bolt 81b is immersed in the corresponding bolt hole.

  The door 6 described above is disposed in the opening of the door frame 7 and supported by the vertical frame 70 of the door frame 7 using a hinge 9, thereby being attached to the door frame 7 so as to be freely opened and closed.

  Next, the electric lock 1 of this embodiment installed in such a door 6 and the door frame 6 is demonstrated.

  As shown in FIG. 2, the electric lock 1 is configured such that the drive devices 20 and 21 that lock and unlock the lock devices 80 and 81, the power transmission unit 4 connected to the commercial power supply AC, and the drive devices 20 and 21. And a power feeding device 3 including a power receiving unit 5 for supplying power.

  As shown in FIG. 1A, the drive device 20 includes a substantially rectangular housing 20a that can be attached to the rear surface 6a of the door 6 by screwing or the like. The housing 20a includes a thumb turn knob 20b. It is attached so that it can rotate freely. The thumb-turn knob 20b is attached to the thumb-turn of the first lock device 80 to facilitate manual thumb-turn operation, and is used to automatically operate the thumb-turn by the drive device 20. An engaging concavo-convex portion (not shown) is provided in the periphery.

  The housing 20a houses a drive mechanism (not shown) that rotates the thumb turn knob 20b to operate the thumb turn to perform locking and unlocking. The drive mechanism includes, for example, a motor ( A motor having gears (not shown) respectively engaged with concave and convex portions (not shown) provided on a shaft (not shown) of the motor, and concave and convex portions of the thumb turn. And a connecting portion (not shown) for rotating the thumb turn knob 20b.

  Further, the housing 20a has a receiving unit (not shown) for receiving a radio signal of a remote control device such as a remote controller or an IC card, or an operation signal of an operation panel installed on the surface 6a of the door 6. And a control unit (not shown) for controlling the operation of the drive mechanism unit in order to lock and unlock the first locking device 80 according to the content of the operation signal received by the receiving unit. The locking and unlocking of the first lock device 80 can be remotely controlled.

  Therefore, when a locking signal is transmitted from the remote control or the like, the thumb turn knob 20b is rotated by the drive mechanism so that the thumb turn is positioned at the locking position, and the door 6 is locked by the first locking device 80. Done. On the other hand, when the unlocking signal is transmitted by the remote controller or the like, the thumb turn knob 20b is rotated by the drive mechanism so that the thumb turn is located at the unlocking position, and the door 6 is unlocked by the first locking device 80. The lock is done.

  On the other hand, the drive device 21, like the drive device 20, is a housing 21a, a thumb turn knob 21b that is rotatably attached to the housing 21a, and a drive mechanism section that is housed in the housing 21a and rotates the thumb turn knob 21b. (Not shown), the description of the driving device 21 is omitted. Since the drive device 21 performs the same operation as the drive device 20, the description of the operation is also omitted.

  The driving devices 20 and 21 described above are configured so that daisy chain connection is possible, whereby the driving device 20 is connected to the power receiving unit 5 of the power feeding device 3 by the power supply line L1, and the driving device 21 is powered. By connecting to the driving device 20 via the line L2, power can be supplied from the power receiving unit 5 to each of the driving devices 20 and 21.

  As shown in FIG. 2, the power feeding device 3 includes a power transmission unit 4 installed on the door frame 7 and a power reception unit 5 installed on the door 6.

  The power transmission unit 4 is connected to a commercial power source AC using a power line L3, and is applied with a high frequency inverter 4a that outputs a high frequency voltage based on a power source voltage of the commercial power source AC, and a high frequency voltage output from the high frequency inverter 4a. Primary winding 4b, and a housing 4c that accommodates the primary winding 4b and can be attached to the construction surface by screwing or the like. The high-frequency inverter 4a can be a conventionally known one and will not be described in detail. In addition, the power source of the power transmission unit 4 is not limited to the commercial power source AC, and may be any power source that can supply power almost constantly.

  The power receiving unit 5 rectifies and outputs a voltage generated in the secondary winding 5b and the secondary winding 5b that are transformer-coupled in a non-contact manner with the primary winding 4b of the power transmission unit 4 with the door 6 closed. It has a rectifier circuit 5a composed of a diode bridge and the like, and a housing 5c that accommodates these and can be attached to the door 6 by screwing or the like. The rectifier circuit 5a is not limited to a diode bridge, and other known rectifier circuits may be used.

  Next, the operation of the power feeding device 3 will be described. First, in the power transmission unit 4 of the power feeding device 3, a high-frequency voltage is generated by the high-frequency inverter 4a based on the power supply voltage of the commercial power supply AC connected using the power supply line L3, and this high-frequency voltage is converted into the primary winding 4b. To be applied. In the power receiving unit 5, the primary winding 4 b and the secondary winding 5 b are transformer-coupled with the door 6 closed, so that the primary winding 4 b and the secondary winding 5 b of the power receiving unit 5 are connected to each other. A voltage corresponding to the ratio of the number of turns of the secondary winding 5b is generated, and this voltage is applied between the input terminals of the rectifier circuit 5a. A rectified voltage obtained by rectifying the voltage generated in the secondary winding 5b is generated between the output terminals of the rectifier circuit 5a, and this is used as a power supply voltage for the drive circuits 20 and 21.

  Therefore, in such a power feeding device 3, the primary winding 4 b of the power transmission unit 4 and the secondary winding 5 b of the power reception unit 5 are configured to be transformer-coupled in a non-contact manner. Can be supplied from the power transmission unit 4 to the power reception unit 5 in a non-contact manner, so that power can be supplied to the drive devices 20 and 21 using the power reception unit 5.

  The electric lock 1 of this embodiment is composed of the drive devices 20 and 21 and the power feeding device 3 described above. Next, an installation method (attachment method) of the electric lock 1 will be described.

  First, a method for installing the power feeding device 3 will be described. As shown in FIG. 1B, the power transmission unit 4 of the power supply device 3 is a surface on the indoor side of the door frame 7 (in the example shown in FIG. 1B, the indoor side in the horizontal frame 72 of the door frame 7. The primary winding 4b is attached to the door 6 side. After the power transmission unit 4 is attached in this manner, the power transmission unit 4 is connected to the indoor (indoor) commercial power supply AC by the power line L3. On the other hand, the power receiving unit 5 of the power feeding device 3 is attached to the back surface 6a of the door 6. At this time, the power receiving unit 5 is close to the power transmitting unit 4 installed on the door frame 7 with the door 6 closed. In addition, the door 6 is arranged such that the secondary winding 5b faces the primary winding 4b of the power transmission unit 4, that is, the secondary winding 5b is transformer-coupled to the primary winding 4b of the power transmission unit 4. It is attached to the back surface 6a.

  Next, the construction method of the drive devices 20 and 21 will be described. As shown in FIG. 1A, the drive device 20 attaches the thumb turn knob 20b to the thumb turn of the first lock device 80, and fixes the housing 20a to the back surface 6a of the door 6, thereby Install. Similarly, the drive device 21 is attached to the door 6 by attaching the thumb turn knob 21 b to the thumb turn of the second lock device 81 and fixing the housing 21 a to the back surface 6 a of the door 6. In addition, attachment to the door 6 of the power receiving part 5 of each drive device 20 and 21 and the electric power feeder 3 and attachment to the door frame 7 of the power transmission part 4 of the electric power feeder 3 are performed using the screw etc., respectively. Of course, other attachment methods may be used.

  Then, the drive device 20 installed on the door 6 in this way is connected to the power receiving unit 5 of the power supply device 3 through the power supply line L1, and the drive device 21 is connected to the drive device 21 through the power supply line L2. Installation of lock 1 is completed.

  By the way, although these power supply lines L1 and L2 may be wired directly to the back surface 6a of the door 6, the door 6 is a flash door formed by attaching plate materials to both sides of the frame as in this embodiment. In some cases, a hole may be formed in the indoor board so that the power lines L1 and L2 are passed through the flash door. In this way, since the power supply lines L1 and L2 are hidden, the appearance is clear and the aesthetic appearance can be improved.

  As described above, according to the electric lock 1 of the present embodiment, the power transmission unit 4 of the power feeding device 3 is attached in the vicinity of the door 6, and the power receiving unit 5 and the driving devices 20 and 21 of the power feeding device 3 are attached to the door 6. Since it can be installed by a simple work that is simply attached, it is possible to easily install even after the door 6 is constructed. In addition, since power can be supplied from the commercial power supply AC to the driving devices 20 and 21 in a non-contact manner by the power supply device 3, unlike the case where a battery or the like is used, the operation does not stop suddenly and is driven almost permanently. The devices 20 and 21 can be operated, and there is an effect that stable operation can always be performed.

  In this embodiment, in order to operate the thumb turn, an example of a driving device using a thumb turn knob provided with an uneven portion on the outer peripheral surface is shown, but the configuration of the driving device is not limited to this example. . For example, the drive device may include a thumb turn that can be automatically operated by the drive device and that can be manually operated. When installing such a drive device, it is only necessary to remove the existing thumb turn from the lock device installed on the door 6 and attach the thumb turn of the drive device instead. Here, since the thumb turn can be removed from the lock device as long as the door is open, the drive device can be easily installed even after the door 6 is constructed.

  In addition, a sensor or the like for detecting the opening / closing of the door 6 may be provided in the drive device to provide an unlocking / unlocking detection function for detecting whether the door 6 has been correctly locked / unlocked, or other functions. You may make it combine. These points are the same in Embodiments 2 to 5 described later.

(Embodiment 2)
As shown in FIGS. 3A and 3B, the electric lock 10 of the present embodiment is characterized in that the driving device 20 and the power receiving unit 5 of the power feeding device 3 are integrally formed. Since the configuration is the same as that of the electric lock 1 of the first embodiment, the same components are denoted by the same reference numerals and description thereof is omitted. Since the operation of the electric lock 10 is the same as that of the electric lock 1 of the first embodiment, the description thereof is omitted.

  That is, as shown in FIGS. 3A and 3B, the electric lock 10 includes an integrated drive unit 22 formed by integrally forming the power reception unit 5 in the drive device 20, the drive device 21, and the power transmission unit 4. It consists of and. In FIG. 3B, the integrated drive unit 22 is shown in a simplified manner.

  The integrated driving device 22 is configured to freely rotate a thumb turn knob 20b of the driving device 20 into a housing 22a formed integrally with the housing 20a of the driving device 20 and the housing 5b of the power receiving unit 5 of the power feeding device 3. And the components of the drive device 20 described above (the drive mechanism unit that rotates the thumb turn knob 20b, the receiving unit, and the control unit) and the components of the power receiving unit 5 described above (the secondary winding 5b and the rectification) The circuit 5a) is housed. The driving device 20 and the power receiving unit 5 are electrically connected within the housing 22a. Moreover, in this integrated drive device 22, when the integrated drive device 22 is installed on the door 6, the secondary winding 5b is a surface facing the outside of the door 6 in the housing 22a (the right surface in FIG. 3A). ) In the housing 22a.

  The electric lock 10 according to the present embodiment includes the integrated drive device 22 described above, the drive device 21 described in the first embodiment, and the power transmission unit 4. Next, a method for installing the electric lock 10 ( A mounting method) will be described.

  The integrated drive device 22 is attached to the door 6 by attaching the thumb turn knob 20 b to the thumb turn of the first lock device 80 and fixing the housing 22 a to the back surface 6 a of the door 6. On the other hand, the power transmission unit 4 of the power feeding device 3 has a primary winding on the surface on the indoor side of the door frame 7 (in the example illustrated in FIG. 3A, the surface on the indoor side of the vertical frame 71 of the door frame 7). The secondary winding 5b and the primary winding 4b are attached in a transformer-coupled state with the wire 4b being close to and facing the secondary winding 5b of the integrated drive device 22. After the power transmission unit 4 is attached in this way, the power transmission unit 4 is connected to the indoor (indoor) commercial power supply AC through the power line L3.

  The drive device 21 is attached to the door 6 by attaching the thumb turn knob 21 b to the thumb turn of the second lock device 81 and fixing the housing 21 a to the back surface 6 a of the door 6. In addition, attachment to the door 6 of each drive device 22 and 21 and attachment to the door frame 7 of the power transmission part 4 of the electric power feeder 3 are performed using the screw etc., respectively. Of course, other attachment methods may be used. And the installation of the electric lock 10 is completed by connecting the drive device 21 thus installed on the door 6 to the power receiving unit of the integrated drive device 22 using the power line L2.

  The power line L2 may be directly wired to the rear surface 6a of the door 6, but when the door 6 is a flash door in which plate materials are attached to both sides of the frame as in the present embodiment. Alternatively, a hole may be made in the plate material on the indoor side, and the power line L2 may be passed through the flash door. In this way, since the power supply line L2 is hidden, the appearance is clear, and the aesthetic appearance can be improved.

  According to the electric lock 10 of the present embodiment described above, the power transmission unit 4 of the power feeding device 3 is attached in the vicinity of the door 6, and the integrated drive device 22 and the drive device 21 are simply attached to the door 6. Since it can be installed, there is an effect that it can be easily installed even after the construction work of the door 6. In addition, since the integrated drive device 22 formed by integrally forming the power reception unit 5 and the drive device 20 of the power supply device 3 is used, the power reception unit 5 and the drive device 20 can be attached together, As compared with the case where the power receiving unit 5 and the drive device 20 are separately mounted as in the first embodiment, an effect of facilitating the installation work of the electric lock is achieved.

  Similarly to the first embodiment, the power supply device 3 can supply power from the commercial power supply AC to the integrated drive device 22 and the drive device 21 in a non-contact manner, so that the operation is suddenly stopped unlike the case of using a battery or the like. Therefore, the integrated driving device 22 and the driving device 21 can be operated almost permanently, and there is an effect that stable operation can always be performed.

(Embodiment 3)
By the way, the door 6 is configured by forming a rectangular frame-like frame with a horizontal gutter and a vertical gutter and affixing a rectangular plate material such as plywood to both sides of the frame, so that the contents are hollow. Further, since the vertical frames 70 and 71 and the horizontal frame 72 constituting the door frame 7 are each formed in a rectangular tube shape using a metal material such as aluminum, the contents are hollow like the door 6. It has become.

  The electric lock 11 of the present embodiment takes into account the above points so that the aesthetic appearance of the door 6 and the door frame 7 is not impaired when the power feeding device 31 of the electric lock 11 is installed.

  Below, the electric lock 11 of this embodiment is demonstrated in detail. The electric lock 11 includes driving devices 20 and 21 and a power feeding device 31. In the following description, the same components as those of the electric lock 1 of the first embodiment are denoted by the same reference numerals and description thereof is omitted. The operation of the electric lock 11 is also the same as that of the electric lock 1 of the first embodiment, and the description thereof is omitted.

  As shown in FIG. 4A, the power supply device 31 includes a power transmission unit 41 and a power reception unit 51.

  Similarly to the power transmission unit 4 of the first embodiment, the power transmission unit 41 is connected to the commercial power source AC using the power line L3, and outputs a high frequency voltage based on the power source voltage of the commercial power source AC. A primary winding 4b to which a high-frequency voltage output from the high-frequency inverter 4a is applied is provided, and a casing 41a for storing these is provided. Here, the primary winding 4b is housed in the housing 41a so as to be close to one surface of the housing 41a. Moreover, the housing | casing 41a is formed in the magnitude | size which can be accommodated in the horizontal frame 72 which is a rectangular tube shape as mentioned above.

  The power receiving unit 51 rectifies and outputs the voltage generated in the secondary winding 5b and the secondary winding 5b which are transformer-coupled in a non-contact manner with the primary winding 4b of the power transmission unit 41 in a state where the door 6 is closed. A rectifier circuit 5a composed of a diode bridge or the like, and a casing 51a for storing them are provided. Here, the secondary winding 5b is housed in the housing 51a so as to be close to one surface of the housing 51a. Moreover, the housing | casing 51a is formed in the magnitude | size which can be accommodated in the space part between the board | plate materials affixed on both surfaces of the framework of the door 6. FIG.

  Therefore, in the electric lock 11 of the present embodiment, the installation work of the power feeding device 31 is performed as follows. Note that the installation work of the drive devices 20 and 21 is the same as that in the first embodiment, and thus the description thereof is omitted.

  When installing the power feeding device 31 (the power transmission unit 41 and the power reception unit 51), as a preparation, as shown in FIG. 4B, the surface facing the door 6 in the door frame 7 (shown in FIG. 4B). In the example, a power transmission window hole 7a is formed on the lower surface of the horizontal frame 72 of the door frame 7 so that the one surface of the casing 41a of the power transmission unit 41 faces the outside. Moreover, as shown in FIG.4 (b), for the electric power reception for making the said one surface of the housing | casing 51a of the electric power reception part 51 face outside on the surface of the door 6 which opposes the window hole 7a in the state which closed the door 6. A window hole 6d is formed.

  Next, the installation method of the power transmission part 41 and the power receiving part 51 is demonstrated. The power transmission unit 41 is accommodated in the door frame 7 so that the one surface of the housing 41a faces the power transmission window hole 7a provided in the door frame 7. Thereafter, the power transmission unit 41 is connected to the commercial power source AC by the power line L3. The power receiving unit 51 is housed in the door 6 such that the one surface of the housing 51 a faces the window 6 d for receiving power provided in the door 6. The storing operation of the power receiving unit 51 in the door 6 can be performed by peeling the plate material of the door 6.

  In the state where the door 6 is closed, the power feeding device 31 thus installed has the one surface of the casing 41a of the power transmission unit 41 facing the power transmission window hole 7a and the power reception unit 51 facing the power reception window hole 6d. The one surface of the casing 51a is opposed to the transformer 51, so that the primary winding 4b of the power transmission unit 41 and the secondary winding 5b of the power reception unit 51 are transformer-coupled. It is possible to supply power to

  According to the electric lock 11 of the present embodiment described above, the same effects as those of the first embodiment are obtained, and the power transmission unit 41 is housed (embedded) in the door frame 7 and the power reception unit 51 is housed in the door 6. Therefore, the power transmission unit 41 and the power reception unit 51 are not visible, and this brings about an effect that the door 6 and the door frame 7 can be installed without impairing the aesthetic appearance.

  In the above example, the contents of the door 6 and the door frame 7 are hollow. However, the door 6 may use a mirror plate as in the case of a saddle (roof assembly) door, or the door frame 7 Is made of wood and is filled with the contents, a recess for storing the power transmission unit 41 is provided in the door frame 7 and a recess for storing the power receiving unit 51 is provided in the door. If the power transmission unit 41 and the power reception unit 51 are embedded, the same effect can be obtained.

  The configuration of the present embodiment can also be adopted in the second embodiment. The power transmission unit 41 of the present embodiment is used as the power transmission unit, and the power transmission unit 41 is housed in the door frame 7. The body drive device 22 may be housed in the door 6.

(Embodiment 4)
By the way, in Embodiment 3, the casing 41a of the power transmission unit 41 is embedded in the door frame 7, but the sizes (thickness dimensions and the like) of the vertical frames 70 and 71 and the horizontal frame 72 which are frame members of the door frame 7 are used. If the width dimension) is smaller than the dimension of the casing 41a of the power transmission unit 41, the casing 41a of the power transmission unit 41 may not be embedded in the door frame 7. In such a case, if the power reception unit 51 is left embedded in the door 6, the distance between the primary winding 4b of the power transmission unit 41 and the secondary winding 5b of the power reception unit 51 is increased, and transformer coupling cannot be performed well. The power receiving unit 51 must also be installed on the back surface 6 a of the door 6 without being embedded in the door 6.

  Therefore, in the electric lock 12 of the present embodiment, the thickness and width dimensions of the vertical frames 70 and 71 and the horizontal frame 72 of the door frame 7 are small and the casing 41a of the power transmission unit 41 cannot be embedded. However, the power receiving unit 51 is embedded in the door 6 for the purpose of improving the beauty.

  Below, the electric lock 12 of this embodiment is demonstrated in detail. As shown in FIG. 5A, the electric lock 12 according to the present embodiment includes drive devices 20 and 21 and a power feeding device 32. In the following description, the same components as those of the electric lock 11 of the third embodiment are denoted by the same reference numerals and description thereof is omitted. The operation of the electric lock 12 is the same as that of the electric lock 11 of the third embodiment, and the description thereof is omitted.

  As shown in FIG. 5A, the power supply device 32 includes a power transmission unit 42 and a power reception unit 51. Here, the power transmission unit 42 includes a high-frequency inverter 4a, a primary winding 4b to which a high-frequency voltage output from the high-frequency inverter 4a is applied, and a casing 42a that houses them.

  And the housing | casing 42a of the power transmission part 42 of this embodiment protrudes integrally with the substantially rectangular 1st accommodating part 42b and the 1st accommodating part 42b which mainly accommodate the high frequency inverter 4a, and is mainly primary winding. And a second storage portion 42c in which the wire 4b is stored. The second storage portion 42c is formed in a size that can be stored (embedded) in the door frame 7. That is, since the second storage portion 42c only needs to be large enough to store the primary winding 4b, the thickness and width dimensions of the vertical frames 70 and 71 and the horizontal frame 72 of the door frame 7 are small. Even if it exists, it becomes possible to form in the magnitude | size which can be embed | buried in the door frame 7. FIG.

  Therefore, in the electric lock 12 of the present embodiment, the installation work of the power feeding device 32 is performed as follows. Note that the installation work of the drive devices 20 and 21 is the same as that in the first embodiment, and thus the description thereof is omitted.

  First, when installing the power feeding device 32, as a preparation, as shown in FIG. 5B, the surface on the indoor side of the door frame 7 (in the example shown in FIG. 5B, the door frame 7 A recess 7b having a size capable of storing the second storage portion 42c of the housing 42a of the power transmission unit 42 without protruding from the surface on the indoor side is formed on the surface of the horizontal frame 72 on the indoor side. Moreover, as shown in FIG.5 (b), for the electric power reception for making the said one surface of the housing | casing 51a of the electric power reception part 51 face the exterior on the surface of the door 6 which opposes the recess 7b in the state which closed the door 6 A window hole 6d is formed.

  Next, the power transmission unit 42 of the power supply apparatus 32 is installed on the door frame 7. This installation operation is performed as follows. That is, as shown in FIG. 5B, in the state where the second storage portion 42c in which the primary winding 4b is stored is stored in the storage recess 7b provided in the door frame 7, the first storage portion 42b is moved. The power transmission unit 42 is installed on the door frame 7 by being attached to the door frame 7 with screws or the like. Moreover, after attaching the power transmission part 42 to the door frame 7, the power transmission part 42 is connected to the indoor (indoor) commercial power supply AC by the power line L3. In addition, since the installation work of the power receiving unit 51 is as described in the third embodiment, the description thereof is omitted.

  In the state where the door 6 is closed, the power supply device 32 installed in this way has the second storage part 42c stored in the storage recess 7b and the casing 51a of the power receiving part 51 facing the power receiving window hole 6d. Thus, the primary winding 4b of the power transmission section 42 and the secondary winding 5b of the power reception section 51 are transformer-coupled, so that the power from the power transmission section 42 to the power reception section 51 is Supply becomes possible.

  In the electric lock 12 of the present embodiment described above, since the second storage part 42c in which the primary winding 4b is stored in the housing 42a of the power transmission part 42 is embedded in the storage recess 7b of the door frame 7, Even when the power receiving unit 51 is embedded in the door 6, the two windings 5 b of the power receiving unit 51 and the primary winding 4 b of the power transmitting unit 42 can be transformer-coupled, whereby the casing 51 b of the power receiving unit 51 is connected to the door. 6 can be prevented from projecting indoors.

  That is, according to the electric lock 12 of the present embodiment, the same effects as those of the first embodiment can be obtained, and only the primary winding 4b is embedded in the door frame 7, so that the frame of the door frame 7 can be obtained. Even when the size of the material is smaller than the size of the power transmission unit 42, the power reception unit 51 can be embedded in the door 6, so that the door 6 can be installed without impairing the aesthetic appearance. Further, since the power transmission unit 42 is installed on the rear surface (inner side surface) of the door frame 7 with the second storage unit 42c embedded in the door frame 7, the high-frequency inverter circuit 4a as in the first embodiment. Compared with the case where the casing 4c of the power transmission unit 4 containing the primary winding 4b is provided on the door frame 7, the amount of the power transmission unit 42 protruding to the indoor side can be reduced, thereby making the power transmission unit 42 conspicuous The effect that it can make it hard to spoil the beauty of the door frame 7 is lost. Moreover, since the 1st accommodating part 42b does not need to be embed | buried under the door frame 7, there exists no effect that an installation place is not limited to the magnitude | size of the door frame 7, and there exists an effect that an installation freedom degree can be improved.

  In the present embodiment, the first storage portion 42b in which the high-frequency inverter 4a is stored and the second storage portion 42c in which the primary winding 4b is stored are integrally formed to form the casing 42a of the power transmission unit 42. However, the first storage portion 42b and the second storage portion 42c may be separated.

  In the above example, the contents of the door 6 and the door frame 7 are hollow, but the door 6 uses a mirror plate like a cocoon door, 7 is made of wood and is filled with the contents, a recess for storing the second storage portion 42c of the power transmission section 42 is provided in the door frame 7 and the power receiving section 51 The same effect can be acquired if the power transmission part 42 and the power receiving part 51 are embed | buried by providing the recessed part for accommodation in the door 6. FIG.

  By the way, the casing of the power receiving unit 51 is mainly composed of a storage unit in which the rectifier circuit 5a is stored and a storage unit in which the secondary winding 5b is mainly stored (even if each storage unit is integrated, it is separate. Only the storage portion in which the secondary winding 5 b is stored may be embedded in the door 6.

  In this way, the power receiving unit 51 is installed on the back surface 6a of the door 6 in a state where the storage unit in which the secondary winding 5b is stored is embedded in the door 6, so that the rectification as in the first embodiment is performed. Compared with the case where the housing 5c of the power receiving unit 5 that houses the circuit 5a and the secondary winding 5b is installed on the back surface 6a of the door 6, the amount of protrusion of the power receiving unit 51 on the indoor side can be reduced. There is an effect that it is possible to make the power receiving unit 51 inconspicuous and to make it difficult to impair the beauty of the door 6. Moreover, since the storage part in which the rectifier circuit 5a is stored does not need to be embedded in the door 6, the installation location is not limited by the size of the door 6, and the installation flexibility can be improved. .

  By the way, the configuration of the present embodiment can also be adopted in the second embodiment, and the power transmission unit 42 of the present embodiment is used as the power transmission unit of the power feeding device, and the second storage unit 42c of the power transmission unit 42 is used as a door frame. 7 and the integrated drive device 22 may be stored in the door 6. In this way, as in the case of the second embodiment, since the power receiving unit and the drive device can be attached together, there is an effect that the installation work of the electric lock becomes easy.

(Embodiment 5)
The electric lock 13 according to the present embodiment includes drive devices 20 and 21 and a power feeding device 33. In the following description, the same components as those of the electric lock 11 of the third embodiment are denoted by the same reference numerals and description thereof is omitted. The operation of the electric lock 13 is the same as that of the electric lock 11 of the third embodiment, and the description thereof is omitted.

  As shown in FIG. 6A, the power supply device 33 includes a power transmission unit 43 and a power reception unit 51. The power transmission unit 43 includes a housing 43a in which the high-frequency inverter 4a is housed, and a primary winding 43b that is connected to the high-frequency inverter 4a housed in the housing 43a through a power line L4. Here, the primary winding 43b is, for example, a film-shaped air-core coil formed by forming a coil pattern with a wiring pattern on an insulating substrate, and the thickness thereof is the same as that of the horizontal frame 72 of the door frame 7. The thickness is such that it can be disposed in the gap with the door 6.

  Therefore, in the electric lock 13 of the present embodiment, the installation work of the power feeding device 33 is performed as follows. Note that the installation work of the drive devices 20 and 21 is the same as that in the first embodiment, and thus the description thereof is omitted.

  First, when installing the power feeding device 33, as a preparation, as shown in FIG. 6B, the housing of the power receiving unit 51 is placed on the surface of the door 6 facing the door frame 7 with the door 6 closed. A power receiving window hole 6d is formed to allow the one surface of the body 51a to face the outside.

  Next, the casing 43a of the power transmission unit 43 of the power feeding device 33 is installed at a predetermined place in the room, and is connected to the indoor (indoor) commercial power supply AC through the power line L3. Then, the primary winding 43b of the power transmission unit 43 is fixed to the surface of the horizontal frame 72 of the door frame 7 that faces the power receiving window hole 6d of the door 6 using an adhesive or the like, and the power line L4 is used. To the high-frequency inverter 4a of the power transmission unit 43. In addition, since the installation work of the power receiving unit 51 is as described in the third embodiment, the description thereof is omitted.

  In the state where the door 6 is closed, the power feeding device 33 installed in this way is the primary winding 43b fixed to the door frame 7 and the housing 51a of the power receiving unit 51 facing the power receiving window hole 6d. As a result, the primary winding 43b of the power transmission unit 43 and the secondary winding 5b of the power reception unit 51 are transformer-coupled, thereby supplying power from the power transmission unit 43 to the power reception unit 51. It becomes possible.

  In the electric lock 13 of the present embodiment described above, since the primary winding 43b of the power transmission unit 43 is fixed to the surface of the door frame 7 facing the door 6, even when the power reception unit 51 is embedded in the door 6. The two windings 5b of the power reception unit 51 and the primary winding 43b of the power transmission unit 43 can be transformer-coupled so that the casing 51b of the power reception unit 51 does not protrude from the door 6 to the indoor side. Can do.

  That is, according to the electric lock 13 of the present embodiment, the same effect as that of the first embodiment is obtained, and the power receiving unit 51 of the power feeding device 33 is embedded in the door 6, so that the appearance of the door 6 is impaired. There is an effect that it can be installed without any problems. In addition, the primary winding 43b of the power transmission unit 43 is provided on the surface of the door frame 7 facing the door 6, and the housing 43a can be installed at a predetermined place in the room. Compared to the case where the housing 4c of the power transmission unit 4 that houses the circuit 4a and the primary winding 4b is provided in the door frame 7, the power transmission unit 43 is made inconspicuous, and the aesthetic appearance of the door frame 7 can be made difficult. There is an effect.

  In particular, since the film-like primary winding 43b is arranged in the gap between the door frame 7 and the door 6, power is supplied from the power transmission unit 43 to the power reception unit 51. In contrast, there is an effect that it is not necessary to process the door frame 7. As a result, it is possible to reduce the burden of the current recovery obligation. In addition, since it is not necessary to process the door frame 7, the power receiving unit 51 can be embedded in the door 6 regardless of the size of the frame material of the door frame 7.

  As another example of the electric lock of this embodiment, the one shown in FIG. In the example illustrated in FIG. 7A, the power supply device for the electric lock includes a power transmission unit 41 and a power reception unit 52. In addition, since the power transmission part 41 is the same as that of what was described in the said Embodiment 2, description is abbreviate | omitted.

  As shown in FIG. 7A, the power receiving unit 52 includes a casing 52a in which the rectifier circuit 5a is accommodated, and a secondary winding connected to the rectifier circuit 5a accommodated in the casing 52a through a power line L5. The secondary winding 52b is, for example, a film-shaped air-core coil formed by forming a coil pattern with a wiring pattern on an insulating substrate, and the thickness thereof is the horizontal frame of the door frame 7 The thickness is such that it can be disposed in the gap between 72 and the door 6.

  Therefore, in the example shown in FIG. 7A, the installation work of the power receiving unit 52 of the power feeding apparatus is performed as follows. In addition, since the installation work of the drive devices 20 and 21 and the installation work of the power transmission unit 41 of the power feeding device are the same as those in the third embodiment, the description thereof is omitted.

  That is, the power receiving unit 52 installs the casing 52a at a predetermined place on the back surface 6a of the door 6, and connects to the driving device 20 through the power line L1. Then, the secondary winding 52b of the power receiving unit 52 is fixed to the surface of the door 6 facing the one surface of the casing 41a of the power transmission unit 41 provided in the door frame 7 using an adhesive or the like, and the power source The line L5 is used to connect to the rectifier circuit 5a of the power receiving unit 52.

  In the state where the door 6 is closed, the power supply device installed in this manner is configured such that the one surface of the casing 41a of the power transmission unit 41 provided on the door frame 7 and the secondary of the power reception unit 52 fixed to the door 6 are provided. Winding 52b is opposed to each other, so that primary winding 41b of power transmission unit 41 and secondary winding 52b of power reception unit 52 are transformer-coupled, and power from power transmission unit 41 to power reception unit 52 is transmitted. Supply becomes possible.

  In the example shown in FIG. 7A described above, the film-like secondary winding 52 b is disposed in the gap between the door frame 7 and the door 6 to supply power from the power transmission unit 41 to the power reception unit 52. Thus, when the power transmission unit 41 is embedded in the door frame 7, the power reception unit 52 can be installed without processing the door 6. As a result, it is possible to reduce the burden of the current recovery obligation. In addition, since the housing 52a of the power receiving unit 52 that houses the rectifier circuit 5a is provided on the back surface 6a of the door 6, the power receiving unit that houses the rectifier circuit 5a and the secondary winding 5b as in the first embodiment. Compared with the case where the casing 5c of the unit 5 is installed on the back surface 6a of the door 6, the amount of the power receiving unit 52 protruding to the indoor side can be reduced, thereby making the power receiving unit 52 inconspicuous and the beauty of the door 6 There is an effect that it can be made difficult to damage.

  Still another example of the electric lock of the present embodiment is shown in FIG. In the example shown in FIG. 7B, the electric lock power supply device includes a power transmission unit 43 and a power reception unit 52. That is, in the example shown in FIG. 7B, both the primary winding 43b and the secondary winding 52b are formed in a film shape and disposed in the gap between the door frame 7 and the door 6, thereby transmitting the power transmission unit 43. Since the power supply to the power receiving unit 52 is performed, the power transmission unit 43 and the power receiving unit 52 can be installed without processing both the door frame 7 and the door 6. As a result, it is possible to reduce the burden of the current recovery obligation.

  In addition, since the primary winding 43b of the power transmission unit 43 is provided on the surface of the door frame 7 facing the door 6, and the housing 43a can be installed at a predetermined place in the room, the high-frequency inverter circuit as in the first embodiment. Compared with the case where the housing 4c of the power transmission section 4 that houses the 4a and the primary winding 4b is provided in the door frame 7, the power transmission section 43 is not conspicuous, and the aesthetic appearance of the door frame 7 can be made difficult to be impaired. Play. In addition, since the back surface 6a of the door 6 is provided with the casing 52a of the power receiving unit 52 that houses the rectifier circuit 5a, the power receiving unit that houses the rectifier circuit 5a and the secondary winding 5b as in the first embodiment. Compared with the case where the casing 5c of the unit 5 is installed on the back surface 6a of the door 6, the amount of the power receiving unit 52 protruding to the indoor side can be reduced, thereby making the power receiving unit 52 inconspicuous and the beauty of the door 6 There is an effect that it can be made difficult to damage.

(A) is explanatory drawing of the electric lock of Embodiment 1, (b) is a partial explanatory view which shows the attachment state of an electric lock. It is a block diagram of an electric lock. (A) is explanatory drawing of the electric lock of Embodiment 2, (b) is a partial explanatory view which shows the attachment state of an electric lock. (A) is explanatory drawing of the electric lock of Embodiment 3, (b) is a partial explanatory view which shows the attachment state of an electric lock. (A) is explanatory drawing of the electric lock of Embodiment 4, (b) is a partial explanatory view which shows the attachment state of an electric lock. (A) is explanatory drawing of the electric lock of Embodiment 5, (b) is partial explanatory drawing which shows the attachment state of an electric lock. (A) is a partial explanatory view showing other examples of the electric lock of Embodiment 5, and (b) is a partial explanatory view showing other examples.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electric lock 20, 21 Drive apparatus 3 Power supply apparatus 4 Power transmission part 5 Power reception part 6 Door 6a Back surface 7 Door frame 80 1st lock apparatus 81 2nd lock apparatus AC Commercial power supply

Claims (5)

  A drive unit that is installed on the interior side of a door provided with an existing locking device that is manually locked and unlocked, and mechanically coupled to the locking device to lock and unlock the locking device, and in the vicinity of the door A power transmission unit having a primary winding installed on the power source and connected to a commercial power source, and a secondary winding installed on the door so as to be transformer-coupled in a non-contact manner with the primary winding with the door closed. An electric lock comprising: a power receiving device including a power receiving unit that has a wire and supplies power to the driving device.   The electric lock according to claim 1, wherein the power receiving unit of the driving device and the power feeding device is integrally formed.   The electric lock according to claim 1, wherein the power transmission unit is embedded in the door frame, and the power reception unit is embedded in the door.   The electric lock according to claim 1, wherein at least one of the primary winding of the power transmission unit and the secondary winding of the power reception unit is embedded.   2. The electricity according to claim 1, wherein at least one of the primary winding of the power transmission unit and the secondary winding of the power reception unit is formed in a film shape and disposed in a gap between the door and the door frame. Tablets.

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