JP4460310B2 - Rack-mount type electronic equipment - Google Patents

Description

  The present invention relates to a rack mount type electronic apparatus.

  Production equipment such as semiconductors, automobiles, and liquid crystals, and measurement, testing, experimentation, and research and development equipment are becoming more dense, high-precision, and more advanced, with a focus on electronic equipment such as various measurement equipment and control equipment. It has become necessary to arrange and use. For this reason, recently, various different electronic devices are mounted on standardized racks such as IEA and JIS, and various devices are concentrated and used, and can be mounted on such racks. Various types of thin electronic devices such as 1U and 2U sizes are increasing. In such racks, in addition to rack mount servers and computers for controlling various electronic devices mounted on them, there is a stabilized power supply that supplies power to these devices, and a power supply that is provided in the event of an emergency of the power supply. Electronic equipment such as a power failure power supply will also be installed.

  Such rack-mount type electronic devices are usually fixed by screwing to the rack, and when attaching to and detaching from the rack, it is necessary to stop or remove the screws, and it takes some time to attach and detach. It takes. However, in the case of a power supply device, since it is a basic device for supplying power to other devices, it is required to continue supplying power to other electronic devices even if a failure or accident occurs. For this reason, the uninterruptible power supply is often mounted together with the rack, but when the power supply must be replaced, the uninterruptible power supply alone cannot continue to supply power, and the power supply can be quickly It will be necessary to replace. In preparation for such a situation, when a plurality of power supply devices (power supply units) of the same type are operated in parallel and one of the power supply devices fails, so-called active power can be supplied even if the failed device is removed. A power supply device of a wire insertion / extraction (hot swap) type is also used, but even in such a case, a quick replacement of the power supply device is required. In this case, if it is a type of device that is screwed to the rack as in the conventional device, it takes time to replace it. On the other hand, if it is simply mounted on the rack, there is a risk of disconnection or dropping from the rack in the event of an earthquake. Therefore, there is a demand for a power supply device of a type that can be easily replaced and securely mounted on a rack.

  In addition, various electronic devices mounted on the rack often require different power, and the power supply device mounted on the rack can also supply multiple types of power sources with different outputs. It may be necessary to install a device (power supply unit).

  The present invention meets the above demands, and is a rack mount that can securely mount an electronic device unit such as a plurality of power supply devices (power supply units) in a predetermined space of a rack of a predetermined standard by a simple attachment / detachment operation. An object of the present invention is to provide a type electronic apparatus device.

In order to achieve the above-mentioned object, the present invention is manufactured based on a predetermined standard, and has a plurality of stages of racks having a plurality of case accommodating portions having a predetermined height and arranged adjacent to each other in the vertical direction . A rack-mount type electronic device that is detachably mounted in any of the case housing parts ,
The electronic device is
A case having a predetermined width and height, having a front surface opened and a plurality of slots defined therein, and detachably attached to the rack;
At least one electronic device unit detachably mounted in at least one of the slots;
A locking mechanism that automatically locks the electronic device into the slot almost simultaneously with completion of insertion when the electronic device unit is inserted into the slot;
The slot is defined by a top plate, a bottom plate and a side wall of the case and / or a partition wall provided in the case,
The lock mechanism is elastically deformable, and is fixed to an inner side of a side surface of the casing of the electronic device unit, and a distal end protruding from a first opening formed on the front surface of the casing. The base end portion of the housing is fixed to the surface that is bent between the base end portion and the tip end portion and is displaced in the horizontal direction within the range of the first opening. A lock member composed of one lock piece having a spring-biased convex portion that can protrude and retract from the formed second opening, and the base end portion of the casing of the electronic device unit are fixed. And a to-be-locked portion configured by a concave portion that engages with the convex portion formed on the side wall or partition wall of the case corresponding to the other surface.

  According to the present invention having the above configuration, since the electronic device unit is locked in the slot simply by inserting the electronic device unit into the slot, the electronic device unit can be quickly attached and detached, and the electronic device unit unexpectedly. Is reliably prevented from falling off and falling.

Preferably, in the lock member, the convex portion of the lock piece includes an inclined guide surface located on the proximal end side and a vertical engagement surface located on the distal end side.

Preferably, the tip of the lock piece is a lock release lever that releases the engagement between the convex portion and the concave portion.

  Preferably, the electronic device unit includes a unit-side connector connected to a case-side connector fixed to the case, and the protrusion of the lock member and the recess of the locked part are When the electronic device unit is inserted into the slot and the two connectors are properly connected, the convex portion is provided in a positional relationship such that the convex portion engages with the concave portion.

Still preferably, the electronic device unit is a power supply device.
In this case, the same power supply device can be provided in a plurality of slots of the case, and these power supply devices can be connected in parallel so that redundant operation is possible.

  Further, a power output device having different outputs may be provided in a plurality of slots of the case to constitute a multiple output power supply device.

  Further preferably, the rack on which the rack mount electronic device is mounted is a 19 inch wide rack of EIA standard, and the height of the case is 1U size of the standard.

  The above-described or other objects, operations, and effects of the present invention will become apparent from the following embodiments and drawings thereof.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, a preferred embodiment of a rack-mount type electronic device apparatus of the invention will be described in detail with reference to the drawings.

  1 is a perspective view showing a rack mount type electronic apparatus according to an embodiment of the present invention, FIG. 2 is a plan view showing the internal structure of the rack mount type electronic apparatus shown in FIG. 1, and FIG. FIG. 4 is a perspective view seen from the outside of the electronic device unit to which the lock mechanism of the electronic device apparatus is attached, FIG. 4 is a perspective view seen from the inside of the electronic device unit to which the lock mechanism is attached, and FIGS. It is explanatory drawing which shows the state which locks.

  As shown in FIG. 1 and FIG. 2, a rack mount type electronic apparatus device 1 according to an embodiment of the present invention is a 1U size that is detachably mounted on a standardized rack (not shown) such as IEA or JIS. Case 2 and a plurality of electronic device units 3A, 3B, 3C accommodated in the case.

  Inside the case 2, three slots 21A, 21B, and 21C for accommodating the three electronic device units 3A, 3B, and 3C are detachably formed (see FIGS. 1 and 2). Each slot is defined by a top plate, a bottom plate, and a side wall of the case 2 and / or a partition wall provided in the case 2.

  The rack-mount type electronic device 1 according to this embodiment supplies power to other electronic devices such as servers mounted in the same rack, and each of the electronic device units 3A, 3B, and 3C is a DC stabilized power supply device. (Power supply unit), which can supply power independently from each power supply device. In this case, the same power supply device may be installed in a plurality of slots of the case, and the power supply devices may be connected in parallel so that redundant operation is possible. A multi-output power supply device may be configured.

  Although the size of the case 2 is configured as a 1U size for a 19-inch rack, it is needless to say that the size is not limited to this size and may be 2U or larger.

  In the case 2, case-side connectors 22A, 22B, and 22C are fixedly provided at positions on the inner side of the slots 21A, 21B, and 21C. On the other hand, unit-side connectors 32A, 32B, and 32C corresponding to these case-side connectors 22A, 22B, and 22C are provided on the back surfaces of the respective power supply devices 3A, 3B, and 3C. These case-side connectors 22A, 22B, and 22C are provided in a positional relationship in which the connection with the unit-side connectors 32A, 32B, and 32C is completed when the power supply devices 3A, 3B, and 3C are completely inserted into the slots 21A, 21B, and 21C, respectively. It has been.

  In addition, when the power supply devices 3A, 3B, and 3C are inserted into the slots 21A, 21B, and 21C, the rack-mount type electronic device is configured so that each power supply device is inserted into the slot into which the power supply device is inserted. A lock mechanism 4 for automatically locking is provided.

  The lock mechanism 4 includes lock members 40A, 40B, and 40C provided on the power supply devices 3A, 3B, and 3C, and a locked portion 50A that is provided on the case 2 side and is locked by the lock members 40A, 40B, and 40C. 50B and 50C. Each of the lock members 40A, 40B, and 40C has a spring-biased convex portion 45 that can protrude and retract from an opening 48 formed in the side surface 13a of the casing 13 of the power supply device. The lock portions 50A, 50B, 50C are respectively recessed portions 50 (50A, 50B) that engage with the protruding portions 45 formed on the side wall 13a of the case 2 or the partition wall of the slot corresponding to the side surface 13a of the casing 13 of the power supply device. , 50C).

  More specifically, as shown in FIGS. 3 and 4, the lock members 40 </ b> A, 40 </ b> B, and 40 </ b> C are fixed at the inner ends of the side surfaces 13 a of the casing 13 of the power supply device with rivets 46. And a lock piece 42 having a tip protruding from an opening 43 formed on the front surface of the power supply device, and a lock release lever 41 operable from the front surface of the power supply device attached to the front end portion of the lock piece 42. It is configured. The lock piece 42 is made of an elastically deformable metal plate such as iron, and the portion between the base end portion and the tip end portion is bent so as to form a substantially triangular cross section as shown in FIGS. 3 and 4. A spring-biased convex portion 45 that can protrude and retract from an opening 48 formed in the side surface 13a of the housing 13 of the apparatus is formed. That is, the convex portion 45 has an inclined guide surface 45B located on the proximal end side of the lock piece 42 and a vertical engagement surface 45A located on the distal end side, and the distal end portion of the lock piece 42 is It is configured to be able to protrude and retract from the opening 48 as it is displaced in the horizontal direction within the range of the opening 43 on the front surface of the power supply device.

  Thus, the lock piece 42 forms a leaf spring and is elastically deformed mainly at the urging portion 47 shown in FIG. And since the urging | biasing force is given to the locking piece 42 by the urging | biasing part 47, the convex part 45 is normally in the state pushed out through the opening 48 to the outer side surface 13a of the housing | casing 13 of the power supply device. When the lock release lever 41 is moved in the direction of the arrow shown in FIG. 3 against this urging force, the tip of the lock piece 42 moves in the horizontal direction in the opening 43, so that the convex portion 45 moves to the inside of the power supply device. Fully drawn into.

  Next, the operation and effect of the present embodiment will be described by taking the case where the power supply device 3A is mounted in the slot 21A of the case 2 as an example (see FIGS. 1, 2 and 5). In this case, the power supply device 3A is inserted into the slot in alignment with the opening edge 23 of the slot 21A as indicated by an arrow. As the power supply device 3A is inserted into the slot 21A, as shown in FIG. 5A, the inclined guide surface 45B of the convex portion 45 is pressed against the opening edge 23 of the slot, and the urging portion 47 is deformed. Further, when the power supply device 3A is pushed into the slot 21A, as shown in FIG. 5B, the entire convex portion 45 is pushed inside the side surface of the casing of the power supply device. Further, when the power supply device 3A is continuously pushed to the insertion completion position, the case side connector 22A and the unit side connector 32A are connected, and almost simultaneously, the convex portion 45 reaches the position of the concave portion 50A, as shown in FIG. 5C. The convex portion 45 engages with the concave portion 50 </ b> A by the elastic restoring force of the biasing portion 47. By this engagement, the vertical engagement surface 45A of the convex portion 45 is hooked on the concave portion 50A and locking is completed, and the disconnection between the connectors and the drop of the power supply device 3A from the slot 21A are prevented.

  Next, a case where the power supply device 3A is pulled out from the slot 21A will be described. When the lock release lever 41 is slid in the horizontal direction indicated by the arrow in FIGS. 3 and 4, the convex portion 45 is completely drawn into the inner side of the side surface 13a of the housing 13 of the power supply device 3A, and the convex portion 45 and the concave portion 50A. The power supply device 3A can be pulled out from the slot 21A.

  As described above, according to the present embodiment, the case-side connector and the unit-side connector are connected and the power supply device is locked in the slot simply by inserting the power supply device into the slot. As a result, it is possible to reliably prevent the power supply device from being accidentally detached and dropped.

  Hereinafter, a second embodiment of the rack-mount type electronic device apparatus of the present invention will be described. In addition, description is abbreviate | omitted about the part which is common in the said 1st Embodiment, and only a difference is demonstrated.

  In the second embodiment, a power output socket (not shown) is provided on the front surface of the power supply device 3C as in the power supply device (power supply unit) 3C in FIG. The plug 51 is configured to be connected to this socket. The power output socket is provided adjacent to the front opening 43 so as to interfere with the operation of the plug 51 and the lock release lever 41 connected to the socket.

  More specifically, when the plug 51 is inserted into the socket, the movement of the lock piece 42 in the horizontal direction is restricted, and the convex portion 45 cannot be completely drawn into the inside of the unit. That is, as shown in FIG. 1, when the plug 51 is inserted into the socket, the left end surface 41A of the lock release lever 41 collides with the right side surface of the plug 51, and the lock release lever 41 is moved further. I can't slide. For this reason, in order to draw the convex part 45 completely inside the unit, the plug 51 must be pulled out from the socket 31A.

  That is, when the plug 51 is inserted, it is impossible to attach or remove the power supply device because the convex portion 45 of the lock member is not completely drawn into the inside of the side surface 13a of the housing 13 of the power supply device. As described above, the operation of the lock release lever 41 interferes with the plug 51. When the plug 51 is inserted, there is a possibility that the power supply device is in an operating state. With this configuration, when the power supply device is attached or removed, the user can remove the plug 51. The power supply device can be stopped. Further, it is possible to prevent erroneous attachment / detachment of the power supply device during operation of the power supply device.

  The restriction of the range of movement of the unlocking lever by removing the plug is merely an example. FIG. 6 is a third embodiment showing another example. In this embodiment, the seesaw type switch 6 is provided on the front surface of the power supply device so as to be close to the lock release lever 41 and interfere with each other. When the switch 6 is ON, the side surface 71A of the lock release lever 71 is switched on. It collides with the side surface 61 on the side, and the sliding of the unlocking lever 71 is prevented. When the switch 6 is turned off, the collision is resolved, and the lock release lever 71 can be slid. Also according to this embodiment, it is possible to reliably prevent erroneous removal while the power supply device is operating.

  Although the rack mount type electronic device apparatus of the present invention has been described based on the preferred embodiments, the present invention is not limited to these embodiments, and various improvements and modifications can be made.

  For example, in the above embodiment, the locking member on the power supply device (electronic device unit) side is provided on the side surface side of the casing of the power supply device, and the locked portion is provided on the side wall or partition wall of the case corresponding thereto, Depending on the installation space, the lock member on the power supply device (electronic device unit) side may be provided on the top surface or bottom surface side of the housing of the power supply device, and the locked portion may be provided on the top plate or bottom plate of the case.

  Further, in the above embodiment, the lock member is provided on the power supply device (electronic device unit) side and the locked part is provided on the case side, but on the contrary, the lock member is provided on the case side, You may provide a to-be-locked part in the power supply device (electronic device unit) side. In this case, those skilled in the art can easily understand that the inclined guide surface of the convex portion of the lock member is disposed on the front side of the case and the vertical engagement surface is disposed on the back side of the case. In this way, it is only necessary to form a recess on the power supply device (electronic device unit) side, and an internal space for providing a lock member is not necessary, and the configuration can be simplified.

  Further, in the above embodiment, the power supply device has been described as an example of the electronic device unit mounted on the rack mount type electronic device device. However, the present invention is not limited to the power supply device, and the uninterruptible device, the hard disk, An electronic device unit such as an optical disk drive or DAT can be mounted in the slot, and in this case, each electronic device unit can be provided with a simple locking mechanism as described above.

  Furthermore, in the above embodiment, an example in which an electronic device unit such as a power supply device is mounted in all slots of the rack-mount type electronic device case has been described. However, one electronic device unit is provided in at least one slot. Needless to say, it should be attached.

1 is a perspective view showing a rack mount electronic device according to an embodiment of the present invention. It is a top view which shows the internal structure of the rack-mount type electronic device apparatus shown in FIG. It is the perspective view seen from the outer side of the electronic device unit with which the lock mechanism of the said rack mount type electronic device apparatus is mounted | worn. It is the perspective view seen from the inner side of the electronic device unit with which the said lock mechanism is mounted | worn. 5A to 5C are explanatory views showing a state where the lock mechanism is locked. It is a fragmentary perspective view which shows the mutual relationship of the lock release lever and switch which are other embodiment of the rack mount type electronic device apparatus shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rack mount type electronic device apparatus 2 Case 3, 3A, 3B, 3C Electronic device unit (power supply device, power supply unit)
4 Lock mechanism 13 Housing 13a Side surface 21A, 21B, 21C Slot 22A, 22B, 22C Case side connector 31A Socket 32A, 32B, 32C Unit side connector 40A, 40B, 40C Lock member 41 Lock release lever 42 Lock piece 43 Open 45 Convex Portion 45A Vertical engagement surface 45B Inclined guide surface 46 Rivet 47 Energizing portion 48 Openings 50A, 50B, 50C Locked portion (recessed portion)
51 Plug 6 Switch 61 Switch side 71 Lock release lever 71A Lock release lever side

Claims (8)

Removably attached to one of the plurality of case housing portions of the rack having a plurality of case housing portions having a predetermined height which are manufactured based on a predetermined standard and are arranged adjacent to each other in the vertical direction. A rack-mounted electronic device device to be mounted,
The electronic device is
A case having a predetermined width and height, having a front surface opened and a plurality of slots defined therein, and detachably attached to the rack;
At least one electronic device unit detachably mounted in at least one of the slots;
A locking mechanism that automatically locks the electronic device into the slot almost simultaneously with completion of insertion when the electronic device unit is inserted into the slot;
The slot is defined by a top plate, a bottom plate and a side wall of the case and / or a partition wall provided in the case,
The lock mechanism is elastically deformable, and is fixed to an inner side of a side surface of the casing of the electronic device unit, and a distal end protruding from a first opening formed on the front surface of the casing. The base end portion of the housing is fixed to the surface that is bent between the base end portion and the tip end portion and is displaced in the horizontal direction within the range of the first opening. A lock member composed of one lock piece having a spring-biased convex portion that can protrude and retract from the formed second opening, and the base end portion of the casing of the electronic device unit are fixed. A rack-mount type electronic device apparatus comprising: a recessed portion that engages with the protrusion formed on the side wall or partition wall of the case corresponding to the surface. 2. The rack mount type electronic device according to claim 1 , wherein the lock member includes an inclined guide surface on the base end side and a vertical engagement surface on the tip end side. Equipment device. The rack-mount type electronic device apparatus according to claim 1 , wherein the front end portion of the lock piece is a lock release lever that releases engagement between the convex portion and the concave portion. The electronic device unit includes a unit-side connector connected to a case-side connector fixedly provided on the case, and the convex portion of the lock member and the concave portion of the locked portion are the electronic device unit. The rack mount type according to any one of claims 1 to 3 , wherein the convex portion is provided in a positional relationship such that the convex portion engages with the concave portion when both connectors are properly connected. Electronic equipment device. The rack-mount type electronic device according to any one of claims 1 to 4 , wherein the electronic device unit is a power supply device. The rack-mount type electronic device apparatus according to claim 5 , wherein the same power supply device is provided in a plurality of slots of the case, and the power supply devices are connected in parallel so that redundant operation is possible. The rack-mount type electronic device apparatus according to claim 5 , wherein power supplies with different outputs are provided in a plurality of slots of the case to constitute a multi-output power supply. Rack the rack-mounted electronic apparatus is mounted, a 19-inch wide rack EIA standard, also the height of the case, according to any to 7 of claims 1 a 1U size of the same standard Rack-mount type electronic equipment.

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