JP2009036456A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator easy to assemble, and having high serviceability so that an inspection and repairing in a manufacturing process and a test in service and the inspection can be easily performed. <P>SOLUTION: This refrigerator has a control board, an inspection terminal arranged on the control board and a protective cover for protecting the control board, and has the protective cover opening on the door side or the side surface side in an opposed position of the inspection terminal of this control board by arranging the control board in an upper surface part of a refrigerator body, and can improve serviceability by installing an attachable-detachable cover member in a protective cover opening part. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a refrigerator controlled by an electronic control circuit, having inspection terminals on the upper surface of the refrigerator.

  As a conventional example in which the control board is disposed on the top surface of the refrigerator, as described in Patent Document 1, a control board storage space is provided inside the ridge line portion where the top plate and the back plate of the refrigerator intersect, and control is performed in this substrate storage space. There is an example of storing a substrate.

  In the conventional example, the control board is arranged on the upper surface of the refrigerator, but even if the inspection terminal is arranged on the control board, the protective cover for protecting the control board is fixed with screws. If the screw is not removed, service and repair cannot be performed, and the work becomes complicated.

  Further, as a conventional example in which a lid member that can be freely attached and detached is provided at a position facing the inspection terminal, there is an example shown in Patent Document 2.

  In the conventional example, the control board is housed in the machine room installed at the lower back of the refrigerator. Since the control board is installed in the vicinity of the opening in the back of the machine room, it is easy to attach the control board, connect the bundled wires, and inspect.

  The control board is closed by a protective cover, and several screws are used for fixing. When performing work such as product inspection in the manufacturing process and repair and inspection in the market, it is necessary to remove all of these screws, which complicates the work.

  In order to solve the above-described problem, a protective cover having an opening at an opposing position of the inspection terminal disposed on the control board is provided, and a detachable lid member is attached to the opening position of the protective cover. This facilitates repair and inspection in the market without removing the protective cover.

JP 2006-112658 A JP 2005-274084 A

  Conventionally, inspection terminals for checking the operating status of the refrigerator have been arranged on the control board, and service personnel have to pull out the refrigerator forward each time it is repaired or inspected. When there is not, there is a problem that the work is complicated by further rotating and the serviceability is poor.

  An object of the present invention is to provide a refrigerator that can reduce the movement of the refrigerator at the time of repair / inspection and the like, and that can improve the serviceability by making it easier to work.

  In the refrigerator having a control board, an inspection terminal provided on the control board, and a protective cover for protecting the control board, the control board provided on the upper surface portion of the refrigerator main body, and the control board And a cover member detachably attached to an opening formed on the door or side portion of the protective cover and at a position facing the inspection terminal of the control board. it can.

  The refrigerator of the present invention can provide a refrigerator that can easily perform inspections, repairs, services, inspections, and the like in the manufacturing process.

  FIG. 1 is a perspective view of a refrigerator showing an example of the present invention. FIG. 2 is a perspective view of a heat insulation box showing an example of the present invention. FIG. 3 is a side view of a refrigerator showing an example of the present invention. FIG. 4 is an exploded view of the joint. FIG. 5 is a rear perspective view of a refrigerator showing an example of the present invention. FIG. 6 is an exploded view of the outer box showing an example of the present invention. FIG. 7 is a detailed view of the control board housing member. FIG. 8 is an exploded view of the control board assembly. FIG. 9 is a cross-sectional view of the control board storage unit. FIG. 10 is a detailed view of the opening of the protective cover. FIG. 11 is an exploded view of the joint.

  In FIG. 1, FIG. 2, and FIG. 3, the refrigerator body 1 has an outer box 2 formed from an outer plate 2, a rear plate 3 that constitutes the rear surface, and a lower plate 4. The heat insulating box 6 is configured by foam filling. A control board housing member 9 is disposed on the upper surface formed by the heat insulating box 6.

  In FIG. 2, 6 is a heat insulation box, and is provided with a refrigerator room 31, an ice making room 32, a first freezer room 33, a second freezer room 34, and a vegetable room 35 from the top. In FIG. 3, the refrigerator compartment 31 is closed by a rotary door 36 that is rotatable by a door hinge. An ice making room door 37, a first freezing room door 38, a second freezing room door 39, and a vegetable room door 40 are provided to block the ice making room 32, the first freezing room 33, the second freezing room 34 and the vegetable room 35. These doors are drawer-type doors with a movable frame.

  The refrigerator main body 1 is hold | maintained by the support stand which mounts the leg part 24 and the compressor which were provided in the refrigerator main body lower part.

  The leg 24 is covered with a protective member 25. The protective member 25 is designed to have a sense of unity with the door, and improves the design.

  In FIG. 4, in the vicinity of the door hinge 42 disposed on the upper surface portion of the heat insulation box 6 that supports the refrigerator compartment door 36, the cords from the electrical components installed on the refrigerator compartment door 36 are also connected to the cords from the insulation box 6. A storage member 41 is provided and is covered with a protective cover 43 that takes into account a design for protecting the door hinge 42 and the storage member 41.

  In FIG. 5, there are inlets 28 for injecting a heat insulating material between the outer box and the inner box on the left and right sides of the back side of the control board storage space 10 as viewed from the back, and the heat insulating material (heat insulating foam gas: cyclopentane) is provided. Injecting.

  The injection port 28 is concealed by a transport handle 29 formed of a resin material to be attached later, and has a shape in consideration of design so that the injection port 28 cannot be seen.

  A power plug portion of a power cord can be inserted into the transport handle 29 so that the power cord does not hang down during transport.

  In FIG. 6, in the control board storage space 10, the control board storage member 9 is inserted into a part 21 in which a part of the top surface and the back surface of the outer plate 2 extends. By inserting, the notch portion 21 is sandwiched and fixed between the front sandwiching portion 91 and the rear sandwiching portions 92 provided on the control board housing member 9. FIG. 7 shows details of the control board housing member 9.

  The front sandwiching portion 91 is designed so that the clearance of the sandwiching portion 91 has a full width with allowance for ease of assembly, and is narrowed at several places so as to be sandwiched at that portion. Thereby, the frictional resistance at the time of assembly can be reduced and it becomes easy to assemble.

  In the fixing, only the pinching is performed, so that a projection 94 having a convex shape is provided without pinching the center portion of the front flange of the control board storage member 9, and the projection is inserted into the punching hole 22 provided on the upper surface portion of the outer plate 2. We are trying to prevent it from coming off.

  The outer peripheral flange portion of the back plate is inserted into the concave portion provided in the outer plate 2 and the concave portion of the control board housing member 9 and fixed with screws.

  The control board housing member 9 has a rib 93 having a shape along the notch 21 of the outer plate 2, and the rib 93 serves as a guide to improve assemblability. Further, the rib 93 also serves to prevent water from entering the control board storage space 10.

  The bottom surface of the control board storage member 9 is inclined, and by making the front side of the refrigerator shallow and making the back side deep, the amount by which the rear part (near the back) in the refrigerator compartment 31 is recessed can be reduced. It has a structure that suppresses the decrease.

  The board housing member 9 has a through hole 95 through which a cord from an electrical component connected to the control board 11 passes, and a rib 96 higher than the surrounding surface at the edge of the through hole to prevent water penetration. When the cord is fixed to the through hole 95, the seal member is wound around and stored in the through hole.

  The control board housing member 9 has a hook rib 97 so that the seal member housed in the through hole 95 does not move, so that the seal member bites into the hook rib 97 and does not move.

  The control board housing member 9 has a screw boss 98 for fixing the control board assembly 13, and the control board assembly 13 is positioned so as to enclose the screw boss 98.

  The control board storage member 9 has a screw boss 99 for fixing a protective cover 15 for sealing the control board storage space 10 in addition to the screw boss for fixing the control board tray 12.

  The control board housing member 9 is formed of a flame retardant synthetic resin.

  In FIG. 8, a control board assembly 13 is a combination of a control board 11 and a control board tray 12, and the control board tray 12 has ribs so as not to be scattered when a cord is wired. . The ribs are paired so that the cords are not caught and scattered, but some ribs of the control board tray 12 are not paired and are controlled with the ribs provided on the control board tray 12. The side wall of the substrate housing member 9 plays a role as a pair.

  9 is a cross-sectional view at the center of the inspection terminal 14 disposed on the control board, and FIG. 10 is a detailed view of the opening of the protective cover.

  In FIG. 9, the control board storage space 10 includes a heat insulating box 6 and a protective cover 15 for sealing the control board storage space 10.

  The protective cover 15 is opened at a position facing the inspection terminal 14 provided on the control board during assembly. A detachable lid member 16 is attached to the opening 17.

  The lid member 16 can be removed, and an abnormality or operating state of the refrigerator can be read from the inspection terminal 14 by an external inspection device, and a refrigerator control program can be written by the external inspection device.

  To remove the lid member 16, the upper notch 161 is pushed toward the center of the lid member 16 with a pen tip or the like, so that the movable claw portion 162 provided on the side surface of the lid member 16 is detached, and a special tool is removed. The lid member 16 can be removed without using the.

  In FIG. 9, the surface of the protective cover 15 to which the lid member 16 is attached is raised as a convex shape to the surface 151 whose surrounding surface is lowered one step, so that even if water spills on the lid member 16, it is difficult to accumulate. Therefore, the structure prevents water from dripping on the control board.

  The opening 17 opens at a position facing the inspection terminal 14, but the bottom surface of the substrate housing member 9 is inclined, so that the opening is used for inspection in order to facilitate connection of external inspection equipment. The opening is made larger behind the terminal 14 so that an external inspection device can be easily connected.

  The position of the inspection terminal 14 provided on the control board 11 is provided in the front part of the control board storage space 10 and is provided at a position closest to the front surface of the refrigerator main body. The attachment / detachment of the cover member 16 and the connection of the terminal of the external inspection device to the inspection terminal 14 can be facilitated.

  In the vicinity of the inspection terminal 14 on the control board 11, the control board arrangement is such that tall components such as terminals are not arranged, the bundled wires are kept away, and attachment of the lid member 16 is not hindered.

  As described above, by providing a control board on the refrigerator upper surface, opening the facing position of the inspection terminal and providing a removable part, it is not necessary to pull out the refrigerator forward in service, inspection, repair, etc. Since the serviceability is improved, the present invention can be applied to uses such as a cooling storage room having a control board on the upper surface portion and a dual-purpose terminal.

  FIG. 11 is a view in which the inspection terminals are installed in the door hinge protective cover of the refrigerator door body. The refrigerator compartment door 36 has electrical components such as an operation display unit for operating or displaying the operation state of the refrigerator from the outside. These electrical components are accommodated in a storage member 41 in the vicinity of the door hinge 42. It is connected to the cord of the insulated box 6.

  The storage member 41 is a member that stores the connected terminal, but the electric wire from the heat insulating box 6 also stores the terminal 80 that is not connected to the cord from the refrigerator compartment door body 36.

  The terminal 80 is electrically connected to the inspection terminal 14 disposed on the control board 11 and is used for service, repair, etc., so that the terminal 80 is usually left unconnected and the storage member 41. And is protected by a protective cover 43.

  The protective cover 43 is opened at a position facing the storage member 41, and a detachable lid member 46 is attached to the opening 45.

  At the time of service, repair, etc., the lid member 46 can be removed and an external inspection device can be connected to read the refrigerator state and operating status, and the refrigerator control program can be written by the external inspection device.

  As described above, the inspection terminal is arranged in the door hinge protection cover on the upper surface of the refrigerator, and the refrigerator is used for service, inspection, repair, etc. by opening the opposing position of the inspection terminal and providing a removable part. Since there is no need to pull it out before, the serviceability is improved, so that it can also be applied to uses such as a cooling storage box provided with an inspection terminal near the door hinge on the upper surface.

The perspective view of the refrigerator which shows an example of this invention. The perspective view of the heat insulation box which shows an example of this invention. The side view of the refrigerator which shows an example of this invention. FIG. The rear perspective view of the refrigerator which shows an example of this invention. The outer case exploded view which shows an example of this invention. FIG. 3 is a detailed view of a control board storage member. The exploded view of the control board assembly. Sectional drawing of a control board storage part. The detailed view of the opening part of a protective cover. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Refrigerator main body 2 Outer plate 3 Back plate 4 Lower plate 5 Inner box 6 Heat insulation box 9 Control board storage member 10 Control board storage space 11 Control board 12 Control board tray 13 Control board assembly 14 Inspection terminals 15, 25, 43 Protective cover 16 Lid member 17 Opening 21 Outer plate notch 22 Outer plate hole 24 Leg 28 Inlet 29 Transport handle 31 Refrigeration chamber 32 Ice making chamber 33 First freezing chamber 34 Second freezing chamber 35 Vegetable chamber 36 Refrigeration chamber door 37 Ice making room door 38 First freezing room door 39 Second freezing room door 40 Vegetable room door 41 Storage member 42 Door hinge 45 Protective cover opening 46 Lid member 91 Front clamping part 92 Rear left and right clamping parts 93, 96, 97 Rib 94 Protrusion 95 Through-holes 98, 99 Screw boss 151 Surface 161 lowered one step Upper notch 162 Moving claw

Claims (3)

In a refrigerator having a control board, an inspection terminal disposed on the control board, and a protective cover for protecting the control board,
The control board disposed on the upper surface of the refrigerator main body, a protective cover that covers the control board, a door-side or side-side part of the protective cover, and formed at a position facing the inspection terminal of the control board. And a lid member detachably attached to the opening.   2. The refrigerator according to claim 1, wherein the detachable lid member is attached to the protective cover opening having an opening at a position facing the inspection terminal.   In a refrigerator having a door hinge for holding the door body in a box on the upper surface of the refrigerator body, the refrigerator includes a control board and an inspection terminal for the control board, and the inspection terminal is arranged near the door hinge. A refrigerator characterized by being installed.

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