JP2008169626A - Electric lock device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric lock device capable of easily improving security in an existing electronic equipment storage cabinet. <P>SOLUTION: An electric lock body 31 is arranged in and fixed to a cabinet door 12 of the electronic equipment storage cabinet 2. When inputting an unlocking signal, an opening-closing metallic material 61 extended onto a door lock handle 14 is rotated and stored in the electric lock body 31, and an unlocked state 71 is formed. When inputting a locking signal, the opening-closing metallic material 61 is rotated and extended onto the door lock handle 14, and a locked state 73 is formed. Thus, erection and rotary operation of the door lock handle 14 are prohibited. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an electric lock device attached to a door of an electronic equipment storage cabinet or the like.

  Conventionally, a data center facility, a control facility room, and the like are provided with a plurality of data servers and control devices, which are housed in an electronic device housing cabinet.

  The opening of the electronic equipment storage cabinet is closed by a door, and the door is opened and closed by operating a handle provided on the door so that maintenance and inspection can be performed.

  In recent years, companies and various organizations are strongly demanding to improve the environment for information security. When installing the latest electric locks in these electronic equipment storage cabinets to increase security, electric locks are included. The door was replaced, or the electronic equipment storage cabinet itself was replaced.

In addition, in a fixture or the like, a lock / unlock function may be added by applying a special process to the storage body and retrofitting a lock device. For example, as a locking device that can be retrofitted to the storage body, as shown in Patent Document 1 and Patent Document 2, the lock member is engaged with the main body of the storage means and the door of the front opening to prevent the door from being opened. There is something.
JP 2001-82014 A JP 2004-176499 A

  However, the processing and replacement of the door of the electronic equipment storage cabinet or the replacement of the electronic equipment storage cabinet itself requires a large-scale construction work, which takes a lot of cost and time.

  The patent disclosed in Patent Document 1 is a locking device that restricts the opening operation by attaching an electric lock to a storage and pressing the door of the storage through a key fitting. The lock device must be installed in consideration of the relative positional relationship with the door, and the mechanical strength and accuracy of the lock device and key fitting itself to prevent the door from being opened are also required for storing electronic devices. Application installation to the cabinet is difficult.

  The patent disclosed in Patent Document 2 is a lock mechanism that can be retrofitted to a document storage office device and can be locked and unlocked by remote control. Therefore, it is difficult to apply and install it in an electronic equipment storage cabinet.

  Further, in the case of a cabinet for storing electronic devices in which similar cabinets are connected to the left and right side portions, the device is removed for the reason that it is difficult to secure the space occupied by the device body by the respective methods in the exemplified patent documents. It doesn't even remain installed.

  The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide an electric lock device that can easily realize improvement in security in an existing cabinet for storing electronic devices. To do.

  In order to solve the above-mentioned problem, in the electric lock device according to claim 1 of the present invention, an electric lock that can be installed and fixed later on the door in a cabinet that opens a door by operating a handle provided on the door. The electric lock main body is provided with a lock unit that forms a locked state in which the operation of the handle is blocked and an unlocked state in which the operation of the handle is allowed according to an input.

  In other words, when trying to improve security in a cabinet for storing electronic equipment in which the system is operating in a data center facility, etc., the electric lock body is fixed to the door of this cabinet by screwing or bonding with a simple method. To do. Thereby, the electric lock body is installed in the cabinet.

  When the door of the cabinet is prevented from being released by the electric lock main body, the fact that the electric lock main body is locked is input. Then, in the electric lock body that has received this input, a locked state in which the operation of the handle provided on the door is blocked according to the input is formed by the locking means, and the operation of the handle becomes impossible. Thereby, opening of the door is prohibited.

  On the other hand, when the door of the cabinet is allowed to be opened by the electric lock body, an input to unlock the electric lock body is input. Then, in the electric lock body that has received this input, the unlocking state that allows the operation of the handle according to the input is formed by the locking means, and the operation of the handle becomes possible. Thereby, opening of the door can be permitted.

  Further, in the electric lock device according to claim 2, the handle is constituted by a pull-up type handle that is rotated when it is operated, and the locking means is extended on a track caused by the handle in the locked state. A lock bar that prevents the handle from being raised and is retracted from the raised track in the unlocked state to allow the handle to be raised, and a small electric motor that drives the lock bar.

  That is, when the locked state is formed, a small electric motor drives a lock bar in response to an input, thereby causing the lock bar to extend on a track by causing a pulling handle and preventing the handle from being raised. .

  In this state, since the handle is prevented from being raised by the lock bar, the handle is raised and the handle cannot be rotated, and the opening of the door is prohibited.

  On the other hand, when the unlocked state is formed, the small electric motor drives the lock bar according to the input, thereby causing the lock bar to be retracted from the track and causing the handle to be raised.

  In this state, the handle can be raised and the handle can be turned, so that the door can be opened.

  Furthermore, in the electric lock device according to claim 3, the handle is constituted by a pulling-type handle that is rotated when it is operated, and the locking means is extended on a track caused by the handle in the locked state. The lock bar is configured to prevent the handle from being raised and to be retracted from the raised track in the unlocked state to allow the handle to be raised, and an electromagnet to allow the lock bar to be prevented from being operated.

  That is, when the locked state is formed, the lock bar is operated by the pulling handle and extended on the track, and the electromagnet is operated in accordance with the input to prevent the operation of the lock bar. .

  In this state, since the operation of the lock bar that prohibits the raising of the handle is disabled, the door opening prohibited state is maintained.

  On the other hand, by operating the electromagnet in response to the input, the lock bar can be operated, whereby the lock bar can be retracted from the track.

  In this state, the door is allowed to open by raising the lock bar and retracting it from the track.

  That is, in order to suppress the opening of the cabinet door by suppressing or opening the cause that is the previous stage operation of the handle, the structural strength and closing performance of the cabinet are the same as the high performance of the handle that is originally engaged. Can be used.

  In addition, since the appearance of the engagement state of the electric lock device and the handle can intuitively know the lock state, and in the case of the handle provided with a mechanical lock in advance, double locking is also possible. In this case, the security of the cabinet for storing electronic devices is also improved.

  In addition, in the electric lock device according to the fourth aspect, the electric lock main body is provided with detection means for detecting the separation from the door fixedly installed.

  That is, the electric lock body is provided with detection means for detecting the removal from the door that is screwed or bonded and fixed, and the detection means detects the removal, so that an inadvertent drop or intent is detected. Tampering such as manual removal and peeling can be detected.

  According to another aspect of the electric lock device of the present invention, the electric lock main body has a built-in wireless communication function that operates with a power source from a storage battery, and operates according to a signal acquired through wireless communication with the electric lock control device.

  Thereby, remote control and state monitoring from the electric lock control device using wireless communication are possible.

  As described above, in the electric lock device according to the first aspect of the present invention, the structure does not directly relate to the engagement between the cabinet body for storing electronic devices and the door when compared with the conventional retrofitting lock mechanism. Therefore, it is possible to form a compact electric lock device, and therefore, it has excellent installation versatility. Especially in cabinets for storing electronic devices that employ many retractable handles that rotate when operated, conventional retrofits such as multiple cabinets connected without gaps or multiple different doors This makes it possible to install the electric lock device afterward for cabinets that could not be realized with this lock mechanism. In this way, simply by installing the electric lock device on the cabinet door, it is possible to easily add an electrically controlled function that forms a state in which the door is prohibited from being opened and an allowed state in accordance with the input of the control signal. .

  In other words, it is possible to install electric locks with screws and adhesives using a simple construction method without replacing the doors of existing cabinets or replacing the cabinets. Can be suppressed.

  Furthermore, when the electric lock body is bonded and fixed to the door of the cabinet, the system is in operation as compared with the case where chips may be generated when processing the door or the housing. In addition, an electric lock can be provided on an existing cabinet safely and easily.

  In the electric lock device according to claim 2, the lock bar is driven by a small electric motor in response to an input, thereby forming the locked state and the unlocked state, and allowing the door to be prohibited from being opened. States can be formed.

  Furthermore, in the electric lock device according to the third aspect, by operating the electromagnet according to the input, it is possible to form a state where the operation of the lock bar is enabled and a state where the operation of the lock bar is prohibited. Thereby, while preventing the operation of the lock bar, it is possible to maintain a state in which the opening of the door is prohibited, and allowing the operation of the lock bar to permit the opening of the door Can be formed.

  At this time, by manually operating the lock bar, power consumption can be suppressed as compared with a case where the lock bar is driven electrically.

  In addition, in the electric lock device according to the fourth aspect, it is possible to detect the detachment of the electric lock main body by providing the electric lock main body with detection means for detecting the detachment from the door.

  Accordingly, it is possible to know an unauthorized operation such as inadvertent dropping of the electric lock installed and fixed to the door, removal or peeling.

  In the electric lock device according to the fifth aspect, the electric lock body can be remotely controlled and monitored from the electric lock control device by using wireless communication.

  As described above, by installing the electric lock device of the present invention on an existing cabinet door for storing electronic devices, remote operation and state management of locking and unlocking of the door can be performed. In addition, unauthorized operations and abnormal conditions can be monitored, and security can be improved.

  (First embodiment)

  A first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an electric lock system using an electric lock device 1 according to the present embodiment, and shows an example employed in a cabinet 2 for storing electronic devices.

  That is, an opening for maintenance and inspection is provided on the front surface of the housing 11 of the electronic equipment storage cabinet 2, and the opening is closed by the cabinet door 12 so as to be freely opened and closed. The cabinet door 12 is supported by the housing 11 on one side by hinges 13 and 13, and a door lock handle 14 for opening and closing the cabinet door 12 is provided at a free end thereof. .

  The door lock handle 14 is formed as shown in FIG. 2, and one end thereof is supported by a lock mechanism body 15 fixed to the cabinet door 12. The door lock handle 14 is housed in the recess 16 of the lock mechanism main body 15 with its tip end directed downward when the cabinet door 12 is closed. In this state, the lock mechanism 14 An engaging portion (not shown) of the main body 15 is configured to engage with the casing 11 and prevent the closed cabinet door 12 from being opened.

  When the cabinet door 12 is opened, a trigger state 21 is formed in which the front end of the door lock handle 14 is raised toward the front side, and the door lock handle 14 in the trigger state 21 is moved to the right in the figure. To turn to form a turning state 22. Then, the engagement state between the housing 11 and the engagement portion is released, and in this state, the cabinet door 12 can be opened by pulling the door lock handle 14 forward. The door lock handle 14 is constituted by a pull-up type handle that is turned during operation.

  As shown in FIG. 1, the cabinet door 12 is provided with an electric lock main body 31 constituting the electric lock device 1, and the electric lock main body 31 is connected to an electric lock control device via a cable 32. 33.

  As shown in FIG. 3, the electric lock main body 31 is attached to the cabinet door 12 of the existing electronic equipment storage cabinet 2 as a retrofit, and the side portion of the door lock handle 14 of the cabinet door 12. Is arranged. As shown in FIG. 4, the electric lock main body 31 has a bottom surface 42 of a casing 41 fixed to a surface 44 of the cabinet door 12 with screws or an adhesive 43, and is installed on the cabinet door 12.

  As shown in FIG. 3, the casing 41 is provided with a circular opening 51, and a manual operation rotary knob 52 is rotatably provided in the circular opening 51. As shown in FIG. 4, the manual operation rotary knob 52 is connected to a drive unit 53 provided therein, and is configured to be able to rotate a rotary shaft 54 of the drive unit 53. The drive unit 53 incorporates a small electric motor, and is configured so that the rotating shaft 54 can be rotationally driven by the small electric motor.

  One end of an opening / closing hardware 61 is fixed to the rotation shaft 54 as a flat lock bar with a screw 62, and the rotation shaft 54 is rotated by the drive unit 53 to rotate the opening / closing hardware 61. 3, as shown in FIG. 3A, the unlocked state 71 in which the opening and closing hardware 61 is stored in the casing 41 of the electric lock body 31, and as shown in FIG. It is configured to be able to form a locked state 73 in which a free end portion extends rightward from a slit 72 on the side of the casing 41, and in this locked state 73, the opening / closing hardware 61 is connected to the door lock handle 14. The electric lock main body 31 is arranged in the vicinity of the door lock handle 14 so as to be positioned above.

  As a result, in the locked state 73, the opening / closing hardware 61 is extended on a cause track that passes when the door lock handle 14 is raised, and the door lock handle 14 is prevented from being raised, whereby the door This prevents normal operation of the lock handle 14 and consequently restricts the opening operation of the cabinet door 12. On the other hand, in the unlocked state 71, the opening and closing hardware 61 is retracted from the raising track, and the door lock handle 14 can be raised. The locked state 73 and the unlocked state 71 can be formed by raising and appearing on the track.

  In the casing 41, a fixing and holding mechanism for fixing and holding the opening and closing hardware 61 is provided, and the fixing and holding mechanism includes an electromagnet 81 as shown in FIG. A lock link 83 is supported on the operating shaft 82 of the electromagnet 81. The lock link 83 is supported by a rotating shaft 84 at a midway portion, and a lock pin 85 is provided at the free end thereof.

  Accordingly, the lock pin 85 of the lock link 83 is arranged below the opening / closing hardware 61 in the locked state 71 with the operating shaft 82 retracted, and the opening / closing hardware The lower edge of 61 is in contact with the lock pin 85 so that the opening / closing hardware 61 is prevented from rotating, and the opening / closing hardware 61 can be fixedly held in a state of protruding sideways. It is configured as follows. Further, in a state where the electromagnet 81 is energized and the operating shaft 82 is extended, the lock pin 85 of the lock link 83 can be retracted from the moving track of the opening and closing hardware 61 (not shown). The pivoting operation of the opening / closing hardware 61 is allowed.

  In addition, a substrate 91 is provided in the casing 41, and a separation detection micro switch 92 is provided on the substrate 91. The separation detecting micro switch 92 is configured such that the contact 93 protrudes from the electric lock body 31 through a small hole 94 provided in the bottom surface 42.

  Thereby, in the state where the bottom surface 42 of the electric lock body 31 is installed and fixed to the cabinet door 12, the contact 93 of the separation detection micro switch 92 is pressed against the cabinet door 12, and the separation detection is performed. While the micro switch 92 is turned on, when the bottom surface 42 of the electric lock body 31 is detached from the cabinet door 12, the contact 93 of the separation detecting micro switch 92 is separated from the cabinet door 12. Accordingly, the separation detecting micro switch 92 is configured to be turned off, and detection means for detecting removal or peeling from the cabinet door 12 on which the electric lock body 31 is installed and fixed is configured. Yes.

  Further, the substrate 91 is provided with a light emitting diode 101, and the light emitting diode 101 is configured to be exposed from a window 102 provided in the casing 41.

  The light emitting diode 101 and the detachment detection microswitch 92 are connected to the control unit 111 built in the electric lock body 31, and the control unit 111 is supplied with power from the storage battery 112. Yes. The control unit 111 is configured mainly with a microcomputer and includes a communication circuit that is operated by a power source from the storage battery 112. As shown in FIG. 1, the communication circuit is connected to the electric lock control device 33 via the cable 32, and also includes a wireless communication circuit.

  Thereby, the control unit 111 is configured to operate in accordance with the input of the control signal from the electric lock control device 33 or the input of the control signal acquired by wireless communication. For example, when the unlock signal is input In other words, the electromagnet 81 is energized to retract the lock pin 85 from the moving path of the opening / closing hardware 61 and the driving motor 53 is operated by the small electric motor to rotate the opening / closing hardware 61. After the unlocked state 71 is formed, the electromagnet 81 is de-energized. In this state, the opening / closing hardware 61 is rotated by the manual operation rotary knob 52, and the locked state 73. When the lock link 83 is formed, the lock link 83 rotates while slidingly contacting the opening / closing hardware 61, so that the lock pin 85 is disposed below the opening / closing hardware 61. And it is configured so as to form a state.

  At this time, in the drive unit 53 that does not include the small motor, the manual operation rotary knob 52 is manually operated while the electromagnet 81 is in operation, and the opening / closing hardware 61 is rotated to the unlocked state. 71 is formed.

  On the other hand, when a locking signal is input, the driving unit 53 is operated by the small electric motor to rotate the opening / closing metal 61 to form the locking state 73. At this time, the lock link 83 rotates while slidingly contacting the opening / closing hardware 61 as the opening / closing hardware 61 rotates, so that the lock pin 85 is disposed below the opening / closing hardware 61. The operation of the opening / closing hardware 61 is blocked.

  Further, in the drive unit 53 that does not include the small electric motor, the manual operation rotary knob 52 is manually operated, and the opening / closing hardware 61 is rotated to form the locked state 73.

  Accordingly, the opening / closing metal fitting 61, the driving unit 53 including the small electric motor that drives the opening / closing metal fitting 61, and the electromagnet 81 that allows the operation of the opening / closing metal fitting 61 to be blocked can be received according to input. Locking means for forming the locked state 73 in which the operation of the door lock handle 14 is blocked and the unlocked state 71 in which the operation of the door lock handle 14 is permitted is configured.

  Further, the control unit 111 is configured to emit light from the light emitting diode 101 in the unlocked state 71, and the lockable state 73 and the unlocked state 71, or the manually operable state of the opening and closing hardware 61. It is configured so that it can be visually confirmed.

  Further, the control unit 111 detects an off input when the detachment detection micro switch 92 is turned off, so that the electric lock main body 31 can be detached from the cabinet door 12, peeled off, or dropped off. It is configured to be able to detect the status information, and when this is detected, it is configured to transmit that fact to the electric lock control device 33.

  In the above configuration, when the security is improved in the electronic equipment storage cabinet 2 in which the system is operating in a data center facility or the like, the electric lock body is attached to the cabinet door 12 of the electronic equipment storage cabinet 2. 31 is fixed to the cabinet door 12 with screws or an adhesive 43. Thereby, the electric lock body 31 is installed in the electronic equipment housing cabinet 2.

  When the electric lock device 1 prevents the cabinet door 12 from being released, a lock signal is output from the electric lock control device 33 connected to the electric lock body 31 via the cable 32. Then, in the electric lock main body 31 to which this locking signal is input, a locked state 73 is formed in which the operation of the door lock handle 14 provided on the cabinet door 12 is blocked according to the input, and the door lock handle 14 operation becomes impossible. Thereby, opening of the cabinet door 12 is prohibited.

  On the other hand, when the electric lock device 1 allows the cabinet door 12 of the electronic equipment storage cabinet 2 to be released, the electric lock control device 33 connected to the electric lock body 31 via the cable 32 is used. Output unlock signal. Then, in the electric lock body 31 to which this unlocking signal is input, an unlocked state 71 that allows the operation of the door lock handle 14 according to the input is formed, and the door lock handle 14 can be operated. It becomes. Thereby, opening of the cabinet door 12 is allowed.

  In this way, only by installing and fixing the electric lock main body 31 to the cabinet door 12 of the electronic equipment storage cabinet 2, the locked state 73 in which the opening of the cabinet door 12 is prohibited according to the input and the permitted solution. An electric lock system that forms the lock state 71 can be easily constructed.

  For this reason, it becomes possible to install an electric lock system without performing a large-scale construction such as replacing the cabinet door 12 of the existing electronic device storage cabinet 2 or replacing the electronic device storage cabinet 2. The introduction cost of the electric lock system can be greatly reduced.

  Further, when the electric lock body 31 is bonded and fixed to the cabinet door 12 of the electronic equipment storage cabinet 2, chips may be generated when the cabinet door 12 or the housing 11 is processed. As compared with the case where there is, the electric lock system can be provided in the existing electronic equipment storage cabinet 2 safely and easily even when the system is in operation.

  Therefore, it is possible to easily improve the security of the existing electronic equipment storage cabinet 2 and to manage the state of the cabinet door 12.

  When the locking state 73 is formed, the small electric motor rotates the opening / closing metal 61 in response to the input of the locking signal, thereby causing the door locking handle 14 to cause the door locking handle 14 to move on the track. To prevent the door lock handle 14 from being raised.

  In this state, the door lock handle 14 is prevented from being raised by the opening and closing hardware 61, so that the door lock handle 14 cannot be raised and the door lock handle 14 can be turned. Opening of the door 12 can be prohibited.

  On the other hand, when the unlocked state 71 is formed, the small electric motor drives the opening and closing hardware 61 in response to the input of the unlocking signal, thereby causing the opening and closing hardware 61 to be retreated from the track, The door lock handle 14 can be raised.

  In this state, the door lock handle 14 can be raised and the door lock handle 14 can be turned, so that the cabinet door 12 can be opened.

  Thus, by driving the opening and closing hardware 61 with the small electric motor in response to an input from the electric lock control device 33, the locking state 73 in which the opening of the cabinet door 12 is prohibited and the solution in which the opening is permitted. A locked state 71 can be formed.

  At this time, the electromagnet 81 is turned off in the locked state 73 in which the opening / closing hardware 61 is raised by the door lock handle 14 and extended on the track, thereby preventing the opening / closing hardware 61 from being operated. .

  On the other hand, when the unlocked state 71 is formed, the electromagnet 81 is turned on so that the opening and closing hardware 61 can be operated. Therefore, the rotary knob 52 for manual operation or the rotary knob 52 for manual operation can be operated. The opening and closing hardware 61 can be raised and retracted from the track manually.

  Thus, by operating the electromagnet 81, it is possible to form a state in which the operation of the opening / closing hardware 61 in the locked state 73 is enabled and a state in which the operation of the opening / closing hardware 61 is prohibited.

  Accordingly, by preventing the opening and closing hardware 61 from being operated, the cabinet door 12 can be kept from being opened, and by allowing the opening and closing hardware 61 to be operated, the cabinet door 12 can be opened. An acceptable state can be formed.

  At this time, power consumption can be suppressed compared with a case where the small electric motor is abolished and only the manual operation of the opening and closing hardware 61 is driven.

  The electric lock body 31 is provided with a detachment detection microswitch 92 that detects detachment from the cabinet door 12 that is fixedly installed, and detects an off operation of the detachment detection microswitch 92. Thus, the detachment of the electric lock body 31 from the cabinet door 12 can be detected.

As a result, the electric lock control device 33 can detect an unauthorized operation such as inadvertent dropping of the electric lock main body 31 installed and fixed to the cabinet door 12, intentional removal or peeling.

  (Second Embodiment)

  Hereinafter, a second embodiment of the present invention will be described with reference to the drawings, and the same or equivalent parts as those of the first embodiment will be described with the same reference numerals.

  FIG. 6 is a diagram showing an electric lock system using the electric lock device 1 according to the present embodiment, and shows an example of use in a data center facility 201 in which data servers are centrally arranged.

  In this data center facility 201, a plurality of data servers used by each company are managed, and each data server is accommodated in each electronic equipment storage cabinet 2,. An opening for maintenance and inspection is provided on the front surface of the housing 11 of each of the electronic equipment storage cabinets 2..., And the opening is closed by a cabinet door 12 so as to be opened and closed. The cabinet door 12 is supported by the housing 11 on one side by hinges 13 and 13, and a door lock handle 14 for opening and closing the cabinet door 12 is provided at a free end thereof. .

  The door lock handle 14 is formed as shown in FIG. 2, and one end thereof is supported by a lock mechanism body 15 fixed to the cabinet door 12. The door lock handle 14 is housed in the recess 16 of the lock mechanism main body 15 with its tip end directed downward when the cabinet door 12 is closed. In this state, the lock mechanism 14 An engaging portion (not shown) of the main body 15 is configured to engage with the casing 11 and prevent the closed cabinet door 12 from being opened.

  When the cabinet door 12 is opened, a trigger state 21 is formed in which the front end of the door lock handle 14 is raised toward the front side, and the door lock handle 14 in the trigger state 21 is moved to the right in the figure. To turn to form a turning state 22. Then, the engagement state between the housing 11 and the engagement portion is released, and in this state, the cabinet door 12 can be opened by pulling the door lock handle 14 forward. The door lock handle 14 is constituted by a pull-up type handle that is turned during operation.

  As shown in FIG. 3 and FIG. 5, the electric lock body constituting the electric lock device 1,... .. Are provided, and each electric lock body 31,... Is configured to be able to communicate with the wireless communication device 211 by radio communication using radio waves, as shown in FIG. The wireless communication device 211 is connected to the electric lock control device 33, and the electric lock control device 33 is connected to the electric lock management computer 213 via the IP network 212.

  Thus, the electric lock main bodies 31,... Provided in the electronic equipment storage cabinets 2,... Are connected to the electric lock management computer via the wireless communication device 211 and the IP network 212. 213, and the electric lock management computer 213 can collectively manage the state of each cabinet door 12,... Of each electronic equipment storage cabinet 2,. ing.

  As shown in FIG. 3, the electric lock body 31 is attached to the cabinet door 12 of the existing electronic equipment storage cabinet 2 as a retrofit, and the side portion of the door lock handle 14 of the cabinet door 12. Is arranged. As shown in FIG. 4, the electric lock body 31 has a bottom surface 42 of a casing 41 fixed to the surface 44 of the cabinet door 12 with screws or an adhesive 43 attached to the cabinet door 12. is set up.

  As shown in FIG. 3, the casing 41 is provided with a circular opening 51, and, for example, a manual operation rotary knob 52 is rotatably provided in the circular opening 51. As shown in FIG. 4, the manual operation rotary knob 52 is connected to a drive unit 53 provided therein, and is configured to be able to rotate a rotary shaft 54 of the drive unit 53. The drive unit 53 incorporates a small electric motor, and is configured so that the rotating shaft 54 can be rotationally driven by the small electric motor.

  One end of an opening / closing hardware 61 is fixed to the rotation shaft 54 as a flat lock bar with a screw 62, and the rotation shaft 54 is rotated by the drive unit 53 to rotate the opening / closing hardware 61. 3, as shown in FIG. 3A, the unlocked state 71 in which the opening and closing hardware 61 is stored in the casing 41 of the electric lock body 31, and as shown in FIG. It is configured to be able to form a locked state 73 in which a free end portion extends rightward from a slit 72 on the side of the casing 41, and in this locked state 73, the opening / closing hardware 61 is connected to the door lock handle 14. The electric lock main body 31 is arranged in the vicinity of the door lock handle 14 so as to be positioned above.

  As a result, in the locked state 73, the opening / closing hardware 61 is extended on a cause track that passes when the door lock handle 14 is raised, and the door lock handle 14 is prevented from being raised, whereby the door This prevents normal operation of the lock handle 14 and consequently restricts the opening operation of the cabinet door 12. On the other hand, in the unlocked state 71, the opening and closing hardware 61 is retracted from the raising track, and the door lock handle 14 can be raised. The locked state 73 and the unlocked state 71 can be formed by raising and appearing on the track.

  In the casing 41, a fixing and holding mechanism for fixing and holding the opening and closing hardware 61 is provided, and the fixing and holding mechanism includes an electromagnet 81 as shown in FIG. A lock link 83 is supported on the operating shaft 82 of the electromagnet 81. The lock link 83 is supported by a rotating shaft 84 at a midway portion, and a lock pin 85 is provided at the free end thereof.

  Accordingly, the lock pin 85 of the lock link 83 is arranged below the opening / closing hardware 61 in the locked state 71 with the operating shaft 82 retracted, and the opening / closing hardware The lower edge of 61 is in contact with the lock pin 85 so that the opening / closing hardware 61 is prevented from rotating, and the opening / closing hardware 61 can be fixedly held in a state of protruding sideways. It is configured as follows. Further, in a state where the electromagnet 81 is energized and the operating shaft 82 is extended, the lock pin 85 of the lock link 83 can be retracted from the moving track of the opening and closing hardware 61 (not shown). The pivoting operation of the opening / closing hardware 61 is allowed.

  In addition, a substrate 91 is provided in the casing 41, and a separation detection micro switch 92 is provided on the substrate 91. The separation detecting micro switch 92 is configured such that the contact 93 protrudes from the electric lock body 31 through a small hole 94 provided in the bottom surface 42.

  Thereby, in the state where the bottom surface 42 of the electric lock body 31 is installed and fixed to the cabinet door 12, the contact 93 of the separation detection micro switch 92 is pressed against the cabinet door 12, and the separation detection is performed. While the microswitch 92 is turned on, when the bottom surface 42 of the electric lock body 31 is peeled off from the cabinet door 12, the contactor 93 of the detachment detection microswitch 92 is removed from the cabinet door 12. The separation detecting micro switch 92 is configured to be turned off when it is separated, and a detecting means for detecting separation from the cabinet door 12 on which the electric lock main body 31 is installed and fixed is configured.

  Further, the substrate 91 is provided with a light emitting diode 101, and the light emitting diode 101 is configured to be exposed from a window 102 provided in the casing 41.

  The light emitting diode 101 and the separation detecting microswitch 92 are connected to the control unit 111 built in the electric lock body 31, and the control unit 111 is supplied with power from the storage battery 112. Yes. The control unit 111 is configured mainly with a microcomputer and includes a communication circuit that is operated by a power source from the storage battery 112. The communication circuit includes a wireless communication circuit that operates with a power source from the storage battery 112, and communicates with the wireless communication device 211 by wireless communication using radio waves, and the electric network via the IP network 212 It is configured to be able to communicate with the lock management computer 213.

  Thus, the electric lock main body 31 and the electric lock control device 33 are configured to be non-wired, and the work load at the time of introduction can be reduced.

  The control unit 111 is configured to acquire a control signal from the electric lock management computer 213 by wireless communication via the electric lock control device 33, and to operate according to the input of the control signal. For example, when an unlocking signal is input, the electromagnet 81 is energized to retract the lock pin 85 from the moving track of the opening / closing hardware 61 and the small electric motor operates the driving unit 53 to open and close the opening / closing. After the unlocked state 71 is formed by turning the hardware 61, the energization to the electromagnet 81 is cut off. In this state, the opening / closing hardware 61 is moved by the manual operation rotary knob 52. When the lock state 73 is formed by rotating the lock link 83, the lock link 83 is rotated while being in sliding contact with the opening / closing hardware 61, whereby the lock pin 85 is moved. And it is configured so as to form a serial disposed below the opening and closing hardware 61 state.

  At this time, in the drive unit 53 that does not include the small motor, the manual operation rotary knob 52 is manually operated while the electromagnet 81 is in operation, and the opening / closing hardware 61 is rotated to the unlocked state. 71 is formed.

  On the other hand, when a locking signal is input, the driving unit 53 is operated by the small electric motor to rotate the opening / closing metal 61 to form the locking state 73. At this time, the lock link 83 rotates while slidingly contacting the opening / closing hardware 61 as the opening / closing hardware 61 rotates, so that the lock pin 85 is disposed below the opening / closing hardware 61. The operation of the opening / closing hardware 61 is blocked.

  Further, in the drive unit 53 that does not include the small electric motor, the manual operation rotary knob 52 is manually operated, and the opening / closing hardware 61 is rotated to form the locked state 73.

  Accordingly, the opening / closing metal fitting 61, the driving unit 53 including the small electric motor that drives the opening / closing metal fitting 61, and the electromagnet 81 that allows the operation of the opening / closing metal fitting 61 to be blocked can be received according to input. Locking means for forming the locked state 73 in which the operation of the door lock handle 14 is blocked and the unlocked state 71 in which the operation of the door lock handle 14 is permitted is configured.

  Further, the control unit 111 is configured to emit light from the light emitting diode 101 in the unlocked state 71, and the lockable state 73 and the unlocked state 71, or the manually operable state of the opening and closing hardware 61. It is configured so that it can be visually confirmed.

  Further, the control unit 111 detects an off input when the detachment detection micro switch 92 is turned off, so that the electric lock main body 31 can be detached from the cabinet door 12, peeled off, or dropped off. It is configured to be able to detect the status information. When this is detected, the electric lock is transmitted via the wireless communication device 211 and the electric lock control device 33 by using wireless communication to that effect. It is configured to transmit to the management computer 213.

  With the above configuration, when the security is improved in the electronic equipment storage cabinet 2 in which the system is operating in the data center facility 201, the electric lock body is attached to the cabinet door 12 of the electronic equipment storage cabinet 2. The electric lock body 31 can be installed in the electronic equipment storage cabinet 2 by fixing the screw 31 with a simple process or fixing with an adhesive 43.

  Thereby, the effect similar to 1st Embodiment can be acquired.

  In addition, it is possible to perform remote control and state monitoring by performing wireless communication using radio waves between the electric lock body 31 and the electric lock control device 33.

  And by installing this electric lock body 31 in a plurality of electronic device storage cabinets 2,..., The opening / closing control of the cabinet doors 12,. In addition, the electric lock management computer 213 can collectively manage state monitoring and the like.

  Therefore, compared with the case where each electronic equipment storage cabinet 2,... Is provided with a mechanical locking device and managed, it is inconvenient for complicated management work such as having to carry a plurality of keys, and opening and closing. Security problems such as no records remaining can be resolved.

In each of the above embodiments, the case where the plate-shaped opening / closing metal fitting 61 is rotated and extended from the electric lock main body 31 has been described as an example, but the present invention is not limited thereto.

  (Third embodiment)

That is, as shown to (a) of FIG. 6, you may comprise by the cylindrical opening-and-closing metal fitting 61 extended from the side part of the said electric lock main body 31 so that it can retract | retreat.

  (Fourth embodiment)

  Further, as shown in FIG. 6 (b), it may be constituted by a lever-shaped opening / closing metal fitting 61 extending from the rotating shaft 54 of the driving unit 53. In this case, the opening / closing metal fitting 61 is gripped. By holding it, the opening and closing hardware 61 can be directly rotated.

It is a perspective view which shows the 1st Embodiment of this invention. It is explanatory drawing which shows the lock handle for doors of the embodiment. (A) is explanatory drawing which shows the unlocking state of the embodiment, (b) is explanatory drawing which shows a locking state. It is sectional drawing which shows the electric lock main body of the embodiment. It is a perspective view which shows the 2nd Embodiment of this invention. (A) is a figure which shows the 3rd Embodiment of this invention, (b) is a figure which shows the 4th Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electric lock device 2 Electronic equipment storage cabinet 11 Case 12 Cabinet door 14 Door lock handle 21 Raised state 22 Rotating state 31 Electric lock body 33 Electric lock control device 53 Drive part 61 Opening and closing hardware (lock bar)
DESCRIPTION OF SYMBOLS 71 Unlocked state 73 Locked state 81 Electromagnet 92 Separation detection microswitch 111 Control unit 112 Storage battery 211 Wireless communication device 213 Electric lock management computer

Claims (5)

In the cabinet that opens the door by operating the handle provided on the door,
It has an electric lock body that can be retrofitted to the door,
An electric lock device characterized in that the electric lock body is provided with a lock means for forming a locked state in which the operation of the handle is blocked and an unlocked state in which the operation of the handle is allowed according to an input. While the handle is constituted by a retractable handle that is caused to rotate during operation,
A lock bar that extends on the raceway caused by the handle in the locked state and prevents the handle from being raised, and is retracted from the cause raceway in the unlocked state to enable the handle to be raised; 2. The electric lock device according to claim 1, wherein the electric lock device comprises a small electric motor for driving the lock bar. While the handle is constituted by a retractable handle that is caused to rotate during operation,
A lock bar that extends on the raceway caused by the handle in the locked state and prevents the handle from being raised, and is retracted from the cause raceway in the unlocked state to enable the handle to be raised; 2. An electric lock device according to claim 1, wherein the electric lock device comprises an electromagnet which allows the operation of the lock bar to be blocked.   4. The electric lock device according to claim 1, wherein the electric lock body is provided with detecting means for detecting intentional detachment or inadvertent detachment from the fixed door.   5. The electric lock body according to claim 1, wherein the electric lock body has a built-in wireless communication function that operates with a power source from a storage battery, and operates according to a signal acquired through wireless communication with the electric lock control device. The electric lock device as described.

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