JP6202593B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic apparatus that includes a plurality of units that function as a control unit and a power source, and a frame that houses the plurality of units and conducts between the units.

  Conventionally, the unit and the frame and the like are electrically connected via a cable. However, in order to reduce the size of the apparatus and simplify the assembly work, Patent Document 1 discloses an electronic device in which a unit is electrically connected to a housing via a connector instead of a cable.

Japanese Patent Laid-Open No. 2003-224871

  However, in the above-described conventional technology, a connection failure of a connection member such as a cable or a connector occurs due to a connection error of a cable when assembling an electronic device, a soldering failure, a failure or breakage of a connector fitting portion, or the like. There was a problem of fear.

  Also, when housing the unit in the frame, if the mounting position of the connector is shifted, etc., there is a possibility that the unit and the frame cannot be connected. There was a problem that there was a risk of breakage.

  Furthermore, when a contact failure of the connecting member or a problem such as deformation or breakage of the connector at the time of housing the unit occurs, there is a problem that the position where the problem occurs cannot be specified.

  Therefore, the present invention has been made in view of the problems in the above-described conventional technology, and solves problems related to contact failure of connection members and problems such as deformation and breakage of the connector during housing, An object is to provide an electronic device capable of specifying the occurrence location even if a malfunction occurs.

In order to achieve the above object, the present invention provides an electronic apparatus comprising a plurality of units and a frame having a plurality of accommodating portions for accommodating the plurality of units, wherein each of the plurality of units is provided on a back surface. A conductive part is provided, and a plurality of packages for exchanging information between the unit and the frame or between the units are provided, and the frame vertically connects the conductive parts of the plurality of units. A strip board-like backboard having a width narrower than the width of the housing portion , and the backboard is in direct contact with the conductive portions of each of the plurality of units without being concavo-convexly fitted, and more in number than the package. It has few contact parts.

According to the present invention, since the conductive part on the back of the unit is in direct contact with the contact part of the backboard without being unevenly fitted, there is no need to interpose a connection member such as a cable or a connector between the unit and the frame, There is no possibility of contact failure of the connecting member, and problems related to problems such as deformation and breakage of the connector can be solved. In addition, it becomes easy to take measures against noise or the like received from the outside by a signal transmitted and received via the conductive portion and the contact portion of the backboard.

  In the electronic device, in each of the housing units, the backboard has a plurality of contact portions, and the frame includes a plurality of display portions for displaying the respective electrical connection states of the plurality of contact portions. Can do. As a result, it is possible to identify a location where an electrical connection failure has occurred, and to quickly deal with the problem.

  In addition, a plurality of contact portions of the backboard in each housing portion are arranged in a different manner for each housing portion, and the back surface of each unit corresponds to a different arrangement manner of the plurality of contact portions of the backboard. The conductive part can be arranged as described above. Thereby, it can prevent that an operator accommodates a unit in the wrong accommodation position.

  In the electronic apparatus, the conductive portion includes a plurality of protruding portions protruding toward the backboard side, and the backboard includes a plurality of contact portions corresponding to the plurality of protruding portions of the conductive portion, Each of the protrusions may be configured such that the tip of each protrusion directly contacts each of the plurality of contact portions of the backboard.

  Each of the plurality of protrusions of the conductive portion is movable in a direction opposite to the housing direction of the unit, and when the protrusion is pressed against the contact portion of the backboard, On the other hand, an elastic member that absorbs a force acting in a direction opposite to the accommodation direction of the unit can be provided. As a result, it is possible to reduce the load on the conductive portion and the backboard when the unit is accommodated, and to avoid deformation and breakage of the conductive portion and the backboard.

  In the electronic apparatus, an urging means provided for each housing portion of the frame and urging each unit housed in each housing portion in a direction opposite to the housing direction of the housing portion; and the unit Can be configured to include a fixing unit that fixes the unit in a state where the unit is biased by the biasing unit.

  The fixing means extends in the housing direction of the unit, has a rotation shaft that has at least one convex portion and is rotatably fixed to the frame, and is connected to an end portion of the rotation shaft. When the rotary shaft rotates together with the lever, the convex portion can be fitted into the concave portion to fix the unit. As a result, the assembly is easier than in the conventional screwing type, and the contact between the conductive portion and the backboard can be reliably maintained.

  As described above, according to the present invention, it is possible to solve problems such as contact failure of the connecting member and deformation and breakage of the connector when the unit is accommodated, and even if a problem occurs, it is possible to specify the occurrence location. Electronic devices can be provided.

It is a front view which shows one Embodiment of the electronic device which concerns on this invention. It is a rear view of the electronic device shown in FIG. It is a figure for demonstrating operation | movement of the connection part of the unit of the electronic device shown in FIG. 1, Comprising: (a) is before accommodation of a unit, (b) is a connection part spring and a connection pin spring shrink | contracted after accommodation of a unit. Each state is shown. It is a front view which shows the contact part etc. which are arrange | positioned at the back board of the electronic device shown in FIG. It is a fragmentary perspective view of the electronic device shown in FIG. 1, Comprising: The state which removed the side plate of the rack housing | casing is shown. FIG. 2 is a perspective view illustrating a lever, a shaft, and the like that are rotatably mounted on the rack of the electronic device illustrated in FIG. 1. It is a perspective view of the unit of the electronic device shown in FIG. It is a figure for demonstrating the connection operation | movement of the unit of an electronic device shown in FIG. 1, and a rack, Comprising: (a) shows before the connection, (b) shows at the time of a connection, respectively. FIG. 7 is a diagram for explaining an operation of fixing the unit of the electronic device shown in FIG. 1 in the housing portion of the rack housing by a lever, a shaft, and the like shown in FIG. Indicates after fixation. FIG. 7 is a diagram for explaining an operation of fixing the unit of the electronic device shown in FIG. 1 in the housing portion of the rack housing by a lever, a shaft, and the like shown in FIG. Indicates after fixation.

  Next, embodiments of the present invention will be described in detail with reference to the drawings. In the following description, an electronic apparatus including a unit and a rack (frame) will be described.

  1 and 2 show an embodiment of an electronic apparatus according to the present invention. The electronic apparatus 1 includes a rack case 2 having a plurality of housing portions 3 (3A to 3F), a rack case 2 With four units 11 (11A to 11D) individually accommodated in the four accommodating parts 3A to 3D, two power supply units 21 (21A and 21B) individually accommodated in the two accommodating parts 3E and 3F, etc. Composed.

  As shown in FIG. 1, each unit 11 includes a plurality of packages 12 that exchange information between the unit 11 and the rack 2 and between the units 11.

  As shown in FIG. 3, each of the units 11 is fixed to the back plate 32, a rectangular housing-like connection portion (conductive portion) 30 disposed so as to penetrate the back plate 32, and the connection portion 30. A rectangular spring holding portion 42, a connecting portion spring 33 that is interposed between the back plate 32 and the spring holding portion 42 and is arranged to be extendable and retractable in the receiving direction X of the unit 11, and accommodated in the connecting portion 30. A plurality of connection pins (protruding portions of the conductive portion) 41 (16 × 4 × 4 in the illustrated example) and each of the connection pins 41 are attached to the accommodation direction X of the unit 11 so as to be extendable and contractable. And a connection pin spring 34. The same number of connection portions 30 as the contact portions 25 (see FIG. 2) of the backboard (printed circuit board) 20 disposed on the back surface of the rack housing 2, that is, three in each unit 11 are provided. Further, as shown in FIG. 7, guided portions 15 are provided on both sides of the unit 11.

  The backboard 20 is provided with three contact portions 25 shown in FIG. 4 in each accommodating portion 3, and each contact portion 25 is a corner that guides and accommodates the spring holding portion 42 of the unit 11. Surrounded by the cylindrical contact portion guide 35, there are a plurality of contact points 25a. With this backboard 20, the connection portions 30 (connection pins 41) of the plurality of units 11 are vertically connected.

  As shown in FIG. 1, a lamp (display unit) 13 for confirming the connection status is provided on the front surface of the rack 2, and this display lamp 13 is mounted on the backboard 20 as shown in FIG. 5. The contact / non-contact determination result determined by the high-intensity LED 22 (not shown in FIG. 2) arranged on the display lamp 13 is displayed on the display lamp 13 via the light transmission member 23 such as an optical fiber in the rack 2. Is done. Thereby, it is determined whether the left and right connection portions 30 of the unit 11 are electrically connected, that is, all of the connection pins 41 of the connection portion 30 and each of the contact points 25a of the contact portion 25 of the backboard 20. It is possible to quickly determine whether or not is electrically connected.

  As shown in FIG. 6, a pair of levers 14 arranged in a plurality of stages on the front surface of the rack housing 2 are coupled to a shaft 18, two convex portions 17 provided on the shaft 18, and a concave portion of the unit 11. 16 (see FIG. 7) to fix the unit 11 while urging the unit 11 in the rear surface direction of the rack 2. Although not shown, elastic means such as a spring for pressing the unit 11 to the front side is provided on the back side of each housing portion 3 of the rack housing 2.

  Next, the assembly operation of the electronic apparatus 1 having the above configuration will be described with reference to FIGS.

  As shown in FIG. 1 and FIG. 8A, the guided portions 15 (see FIG. 7) provided on both sides of the unit 11 are brought into contact with the guide rails (not shown) of the rack 2. 11 is inserted in the housing part 3 of the rack 2 in the X direction, and the connection pin 41 of the connection part 30 of the unit 11 is brought into contact with the contact point 25 a of the contact part 25 of the backboard 20.

  When the unit 11 is further inserted into the housing 3 from the state in which the connection pin 41 is in contact with the contact point 25a, the connection portion spring 33 and the connection pin spring 34 contract as shown in FIG. 8B. Then, the force applied to the connection part 30 and the connection pin 41 is absorbed.

  After inserting the unit 11, as shown in FIGS. 1, 6 and 7, the lever 14 located on the right side of the front surface of the rack housing 2 is rotated from the upper side to the left side, whereby FIGS. 9 (a) and 10. From the state shown in FIG. 9A, as shown in FIG. 9B and FIG. 10B, the convex portion 17 of the shaft 18 is fitted into the concave portion 16 of the unit 11, and the curved surface portion 17a of the convex portion 17 is formed. It is possible to fix the unit 11 while urging the unit 11 in the accommodation direction X in the accommodation unit 3 by using it. Thereby, the unit 11 can be fixed in a state of being biased to the rack housing 2. The lever 14 positioned on the left side of the front surface of the rack 2 is rotated in the right direction to fix the unit 11 contrary to the above operation.

  As shown in FIG. 5, the contact state between the connection portion 30 of the unit 11 and the contact portion 25 of the backboard 20 is determined by the high-intensity LED 22 on the backboard 20 (not shown in FIG. 2). The lighting / extinguishing of the high-intensity LED 22 is associated with the connection / disconnection of the connection pin 41 and the contact point 25a, and the light of the high-intensity LED 22 is displayed on the front surface of the rack 2 via the light transmission member 23. 13, the operator can easily confirm that each of all the connection pins 41 and the contact point 25a are connected visually.

  As described above, according to the present invention, since the connection pin 41 and the contact point 25a are directly contacted without using a connection member such as a cable or a connector, there is no possibility of causing a contact failure. Moreover, since the connection part spring 33 and the connection pin spring 34 are provided to absorb the load, the connection pin 41, the connection part 30, and the contact part 25 can be prevented from being damaged. Furthermore, the connection pin 41 and the contact point 25a can be reliably maintained by urging the connection pin 41 toward the contact point 25a.

  In addition, the some contact part 25 provided in each accommodating part 3A-3D of the rack housing | casing 2 is arrange | positioned in a respectively different style for every accommodating part 3A-3D, and is accommodated in the backplate 32 of each unit 11. The connection part 30 can be arrange | positioned so as to correspond to the arrangement | positioning style of the contact part 25 of accommodating part 3A-3D. For example, in FIG. 2, the upper storage portions 3A and 3B have the upper side of the contact portion 25 on the right upper side at the same position as the ceiling of the package 12, but the lower storage portions 3C and 3D are on the right side. The upper side of the upper contact portion 25 is shifted downward by a dimension C in the height direction with respect to the ceiling portion of the package 12. Moreover, in each accommodating part 3A-3D, the contact part 25 located on the lower right side and the contact part 25 located on the left side can be arranged at different positions in the height direction and the horizontal direction. Thereby, it can prevent that an operator accommodates the unit 11 in the wrong accommodating part 3. FIG.

  In the present embodiment, two lamps (display units) 13 are arranged on the front surface of the rack 2 so that it can be determined which of the left and right connection portions 30 of the unit 11 is not connected. Three display lamps 13 may be provided, and the connection status of each of the three connection units 30 may be determined.

  In the above description, only the connection of the unit 11 has been described. That is, as shown in FIGS. 1 and 2, each of the power supply units 21A and 21B is accommodated in the accommodating portions 3E and 3F. At this time, as shown in FIG. The connection pin 41 of the connection part 30 of the unit 11 can be brought into contact with the contact point 25a of the contact part 25 of the backboard 20 and is electrically connected by the display lamp 13 And the power supply unit 21 can be fixed by the lever 14.

  Furthermore, although the electronic device 1 including the unit 11 and the rack housing 2 has been described, a frame that is not formed in a housing shape may be used, and the housing portion 3 (3A) that houses the unit 11 and the power supply unit 21. The present invention can be applied to any frame provided with ˜3F).

DESCRIPTION OF SYMBOLS 1 Electronic device 2 Casing housing | casing 3 (3A-3F) Housing part 11 (11A-11D) Unit 12 Package 13 Display lamp 14 Lever 15 Guided part 16 Concave part 17 Convex part 17a Curved part 18 Shaft 20 Backboard 21 (21A, 21B) Power supply unit 22 High-brightness LED
23 Light transmission member 25 Contact portion 25a Contact point 30 Connection portion 32 Back plate 33 Connection portion spring 34 Connection pin spring 35 Contact portion guide 41 Connection pin 42 Spring holding portion

Claims (7)

An electronic device comprising a plurality of units and a frame having a plurality of accommodating portions for accommodating the plurality of units,
Each of the plurality of units includes a conductive portion on the back surface, and includes a plurality of packages that exchange information between the unit and the frame or between the units.
The frame includes a strip-like backboard having a width narrower than the width of the accommodating portion, which vertically connects the conductive portions of the plurality of units.
The electronic apparatus according to claim 1, wherein the backboard has a contact portion that is in direct contact with the conductive portions of each of the plurality of units without being unevenly fitted and is smaller in number than the package . In each of the housing portions, the backboard has a plurality of contact portions,
The electronic apparatus according to claim 1, wherein the frame includes a plurality of display units that display respective electrical connection states of the plurality of contact units. The plurality of contact portions of the backboard in each housing portion are arranged in a different manner for each housing portion,
The electronic device according to claim 2, wherein the conductive portion is disposed on a back surface of each unit so as to correspond to different arrangement modes of the plurality of contact portions of the backboard. The conductive portion includes a plurality of protrusions protruding toward the backboard side,
The backboard includes a plurality of contact portions corresponding to the plurality of protruding portions of the conductive portion,
4. The electronic device according to claim 1, wherein tips of the plurality of projecting portions directly contact each of the plurality of contact portions of the backboard. Each of the plurality of projecting portions of the conductive portion is movable in a direction opposite to the housing direction of the unit,
5. An elastic member that absorbs a force acting in a direction opposite to the housing direction of the unit when the protrusion is pressed against the contact portion of the backboard. The electronic device as described in. An urging means that is provided for each housing portion of the frame and urges each unit housed in each housing portion in a direction opposite to the housing direction of the housing portion;
The electronic apparatus according to claim 1, further comprising a fixing unit that fixes the unit in a state where the unit is biased by the biasing unit. The fixing means includes a rotating shaft that extends in the housing direction of the unit, has at least one convex portion and is rotatably fixed to the frame, and a lever connected to an end of the rotating shaft. And at least one recess formed on the side surface of the unit,
The electronic device according to claim 6, wherein when the rotation shaft rotates together with the lever, the convex portion fits into the concave portion and fixes the unit.

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