JP2020046162A - Storage - Google Patents

Abstract

To provide a storage including a storage internal lamp and enabling reduction of work hours related to assembly of the storage internal lamp.SOLUTION: A storage includes: a box shaped storage body having a storage chamber 16; a door 13 which is attached to the storage body and can open or close the storage chamber 16; and a storage internal lamp 30 disposed at the storage chamber 16. The storage internal lamp 30 is characterized by including: a substrate 31 having one surface 31A oriented to the door 13 side and the other surface 31B oriented to the opposite side of the door 13; an infrared sensor 40 provided on the one surface 31A; and an LED 33 provided on the other surface 31B.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a storage.

  2. Description of the Related Art Conventionally, a storage having a configuration in which opening of a door is detected and an interior light is turned on is known as a storage. Patent Literature 1 describes a configuration in which a magnet is provided on a door side and a reed switch is provided on a storage main body (refrigerator main body) side. In the configuration of Patent Literature 1, when the door is opened, the magnet moves away from the reed switch, so that the reed switch operates, and it is possible to detect that the door is opened.

JP 2001-248962 A

  In the above configuration, it is necessary to assemble the reed switch and the interior light with respect to the storage main body, respectively, which increases the number of work steps. For this reason, it is required to further reduce the number of work steps required for assembling the interior light.

  The present invention has been completed on the basis of the above-described circumstances, and has an object to reduce the number of man-hours required for assembling an interior light.

  In order to solve the above problem, a storage of the present invention is provided in a box-shaped storage main body having a storage room, a door attached to the storage main body, a door capable of opening and closing the storage room, and the storage room. And a substrate having one surface facing the door side and the other surface facing the opposite side to the door, and provided on the one surface. It is characterized by including an infrared sensor and a light source provided on the other surface.

  According to the above configuration, since the temperature (infrared ray amount) in the detectable area of the infrared sensor changes when the door is opened, it is detected that the door is opened by detecting the temperature change by the infrared sensor. Can be. Thereby, the light source can be turned on by detecting that the door is opened. In the above configuration, the infrared sensor and the light source are provided on a common substrate, and the infrared sensor and the light source can be handled as one component. For this reason, for example, as compared with a configuration in which the infrared sensor and the light source are arranged at different locations, the number of work steps for assembling can be reduced. Further, the light source provided on the other surface can illuminate the storage room from the door side. For this reason, the interior light can be arranged at the front part (the side relatively close to the door) of the storage room, and assembly and maintenance of the interior light can be easily performed.

  Further, the interior light may be provided on a wall surface of a wall part constituting the storage room, and the light source may be disposed at an end of the other surface on the center side of the storage room. it can. The situation in which the light from the light source toward the center of the storage room is blocked by the substrate can be suppressed, and the storage room can be more reliably illuminated.

  According to the present invention, it is possible to reduce the number of work steps related to assembling the interior light.

FIG. 1 is a front view showing a cooling storage according to an embodiment of the present invention. Perspective view showing cooling storage Sectional view showing the vicinity of the door in the cooling storage Perspective view showing the interior light Exploded perspective view showing the interior light Front view showing interior light (view from door side) Sectional view showing the interior light (corresponding to the view cut along the line VII-VII in FIG. 6) Sectional view showing the storage room

  One embodiment of the present invention will be described with reference to FIGS. In this embodiment, as shown in FIG. 1, a two-door horizontal (table-type) cooling storage 10 is exemplified as a storage. As shown in FIG. 1, the cooling storage 10 includes a horizontally long box-shaped storage main body 11 (insulated box), a machine room 12 arranged on the side (left side) of the storage main body 11, and a pair of doors 13. , 13 (insulated door) and a top plate 15 that forms the top surface of the cooling storage 10. In the following description, the door 13 side is the front side, the side opposite to the door 13 is the rear side, and the front-rear direction is the Y-axis direction. The left-right direction when the cooling storage 10 is viewed from the front side is defined as the left-right direction (X-axis direction) of the cooling storage 10, and the height direction of the cooling storage 10 is defined as the Z-axis direction.

  As shown in FIG. 3, the storage main body 11 is configured by filling a heat insulating material (not shown) such as a foamed resin between the exterior plate 14 and the interior plate 19. The storage main body 11 is a box having an opening 16A opened forward, and has a storage chamber 16 communicating with the opening 16A. On the left side of the storage room 16, a cooler room (not shown) is provided via a cooling duct 17, and the cooler room houses a cooler, a cooling fan, and the like. By driving the cooling fan, air can be circulated between the cooler room and the storage room 16, and the cool air generated by the cooler is supplied to the storage room 16. The pair of doors 13 is a double door type door, and each door 13 is rotatably attached to the storage body 11 via a pair of upper and lower hinges 18, 18. Thereby, the door 13 is configured to be able to open and close the storage room 16. The opening 16A is divided into right and left by a center pillar 21 (see FIG. 1, not shown in FIG. 2).

  As shown in FIG. 2, an interior light 30 is arranged on a ceiling surface of the storage room 16. The interior light 30 is arranged at the front of the storage room 16. As shown in FIG. 7, the interior lamp 30 includes a substrate 31 that is long in the left-right direction, a case 50 that houses the substrate 31, an LED 33 (light source), and an infrared sensor 40. The substrate 31 is arranged in a posture of being inclined downward toward the rear (inside of the refrigerator), and has one surface 31A facing the door 13 (front side) and the other surface facing the side opposite to the door 13 (rear side). 31B. More specifically, one surface 31 </ b> A faces in a direction inclining downward toward the door 13, and the other surface 31 </ b> B faces in a direction inclining upward as moving away from the door 13. The infrared sensor 40 is provided on one surface 31A, and the LED 33 is provided on the other surface 31B. In addition, as shown in FIG. 3, the interior lamp 30 is provided on a ceiling surface 24 of the storage room 16 (a wall surface of a wall constituting the storage room). In addition, the ceiling surface 24 of the storage room 16 is configured by an interior plate 19 (a wall portion forming the storage room). As shown in FIG. 7, the LED 33 is disposed at an end of the other surface 31B on the center side (lower right side in FIG. 7) of the storage room 16. Note that FIG. 8 illustrates the center P1 (center in the refrigerator) of the storage room 16.

  The infrared sensor 40 is a pyroelectric infrared sensor, and as shown in FIG. 7, a pyroelectric element 41 (sensor element) mounted on the board 31, a peripheral wall 42 surrounding the periphery of the pyroelectric element 41, A hemispherical lens 43 that covers the pyroelectric element 41 from the front. The peripheral end of the lens 43 is provided with a projection 45 (flange) extending over the entire circumference. The infrared sensor 40 can detect that the door 13 has been opened based on a change in the amount of infrared light in the detectable area. Specifically, the infrared sensor 40 is arranged so as to face forward (toward the door 13), and the detectable area of the infrared sensor 40 includes the area in front of the infrared sensor 40. Accordingly, when the door 13 changes from the closed state to the open state, the temperature (the amount of infrared rays) in the detectable region of the infrared sensor 40 changes. Open can be detected. The infrared sensor 40 and the LED 33 are each electrically connected to the board 31 which is a control board, and the LED 33 is turned on when the infrared sensor 40 detects that the door 13 is opened. Further, the substrate 31 is electrically connected to the control unit 22, and the control unit 22 performs control such as stopping a cooling fan when the infrared sensor 40 detects that the door 13 is opened. Note that the control unit 22 is disposed in, for example, the machine room 12, but is not limited thereto.

  As shown in FIGS. 4 and 5, the case 50 has a box shape that is long in the left-right direction, and has a substantially triangular shape in a side view (see a cross-sectional view in FIG. 7). The case 50 includes a first case component 51 made of a light-blocking member, a second case component 52 made of a light-transmissive member, and a third case 52 made of a light-blocking member. And a case constituent member 53. The first case component member 51 is provided at a front end of the pedestal portion 54 attached to the interior plate 19 (see FIG. 6) constituting the ceiling surface of the storage room 16, and is formed to be inclined downward toward the rear. And a front wall portion 58 extending at the front end.

  At both ends in the left-right direction on the back surface of the pedestal portion 54, mounting claws 55 are provided. As shown in FIG. 6, a reinforcing plate 20 is provided at a position corresponding to the mounting claw 55 on the upper surface of the interior board 19. A through hole 19A is formed through the interior plate 19, and a through hole 20A is formed through the reinforcing plate 20. The mounting claw 55 is configured to be inserted from below into the through-holes 19A and 20A, and then to be locked from above from the edge of the through-hole 20A in the reinforcing plate 20. The reinforcing plate 20 may not be provided, and the mounting claw 55 may be configured to be directly engaged with the edge of the through hole 19A in the interior plate 19 from above.

  As shown in FIG. 5, the pedestal portion 54 is formed with a wiring outlet 56 for drawing out the wiring 23 (see FIG. 7) drawn from the substrate 31 to the outside of the case 50. As shown in FIG. 5, the pedestal portion 54 has a pair of insertion holes 54A, 54A. The screw 63 inserted into the insertion hole 54 </ b> A is fastened to a mounting boss 64 provided on the second case component 52.

  As shown in FIG. 5, the second case component 52 includes a cover 57 that mainly covers the LEDs 33 from behind. The cover 57 has translucency, and the light of the LED 33 can be emitted to the outside of the case 50 through the cover 57. As a result, the light emitted from the LED 33 mainly travels backward, and can illuminate the inside of the storage room 16. The cover 57 is configured to diffuse transmitted light, for example. The second case component 52 has an opening 52A opened upward and an opening 52B opened forward, and the opening 52A is formed by the pedestal 54 of the first case component 51. The opening 52 </ b> B is closed by the front wall portion 58 of the first case component 51.

  The case 50 has a circular through hole 50A into which the infrared sensor 40 is inserted, as shown in FIG. The third case constituent member 53 is fixed to the second case constituent member 52, and forms a through hole 50A together with the first case constituent member 51. Note that the third case component 53 may be formed integrally with the second case component 52. The infrared sensor 40 is held by a hole edge of the through hole 50A. As shown in FIG. 5, a concave portion 59 that is opened downward is formed in the center of the front side wall portion 58 of the first case component member 51 in the left-right direction, and the concave portion 59 is opened downward at the bottom of the concave portion 59. A semicircular through-hole forming portion 60 is formed. The through-hole constituting section 60 constitutes the upper half of the through-hole 50A.

  As shown in FIG. 5, the third case component 53 extends upward from the center in the left-right direction of the front end of the cover 57 and has a plate-like shape that closes the recess 59 of the first case component 51. . The third case component 53 has a through-hole component 61 having a semicircular shape that is open upward. The through-hole forming portion 61 forms the lower half of the through-hole 50A.

  On the inner peripheral surface of the through hole 50A (the lower surface of the through hole forming part 60 and the upper surface of the through hole forming part 61), a groove 62 is formed over the entire circumference. More specifically, the groove portion 62 includes a groove portion 62A formed on the lower surface of the through hole forming portion 60 and a groove portion 62B formed on the upper surface of the through hole forming portion 61. As shown in FIG. 7, a projection 45 provided on the lens 43 of the infrared sensor 40 is fitted into the groove 62 (the groove 62A and the groove 62B). This makes it possible to hold the infrared sensor 40 by sandwiching the infrared sensor 40 between the through-hole forming part 60 and the through-hole forming part 61.

  Next, effects of the present embodiment will be described. According to the above configuration, since the temperature (infrared ray amount) in the detectable area of the infrared sensor 40 changes when the door 13 opens, the door 13 opens when the temperature change is detected by the infrared sensor 40. Can be detected. Thus, the LED 33 can be turned on by detecting that the door 13 is opened. In the above configuration, the infrared sensor 40 and the LED 33 are provided on the common substrate 31. For this reason, since the infrared sensor 40 and the LED 33 can be handled as one component, the number of work steps required for assembly can be reduced as compared with, for example, a configuration in which the infrared sensor 40 and the LED 33 are arranged at different locations. . The LED 33 provided on the other surface 31B can illuminate the inside of the storage room 16 from the door 13 side. For this reason, the interior light 30 can be arranged at the front part (the side relatively close to the door) of the storage room 16, and assembly and maintenance of the interior light 30 can be easily performed.

  Further, when the infrared sensor 40 and the LED 33 are arranged at different places, it is necessary to provide a board corresponding to each of the infrared sensor 40 and the LED 33. In the present embodiment, the number of substrates can be reduced by arranging the infrared sensor 40 and the LEDs 33 on the front and back of the substrate 31, respectively.

  If it is detected that the door 13 is opened using a reed switch, it is necessary to arrange the reed switch close to a magnet provided on the door 13. For this reason, it is difficult to arrange the reed switch in the storage room 16, and it is difficult to integrate the reed switch with the interior lamp 30. On the other hand, the infrared sensor 40 can detect that the door 13 is opened even when the infrared sensor 40 is arranged at a distance from the door 13. Therefore, the infrared sensor 40 can be arranged in the storage room 16 and can be integrated with the interior lamp 30.

  Further, the interior lamp 30 includes a case 50 that accommodates the substrate 31. The case 50 has a through hole 50A through which the infrared sensor 40 is inserted. The infrared sensor 40 is formed on the inner peripheral surface of the through hole 50A. And a projection 45 fitted into the groove 62. By inserting the infrared sensor 40 into the through hole 50 </ b> A, the infrared sensor 40 can be exposed outside the case 50. By fitting the projection 45 into the groove 62, the infrared sensor 40 can be held in the through hole 50A. For this reason, the substrate 31 can be held via the infrared sensor 40, and it is possible to reduce the number of dedicated members for holding the substrate 31 in the case 50.

  Further, the interior light 30 is provided on the ceiling surface 24 of the storage room 16, and the LED 33 is arranged at an end of the other surface 31 </ b> B of the substrate 31 on the center side of the storage room 16. A situation in which light from the LED 33 toward the center of the storage room 16 is blocked by the substrate 31 can be suppressed, and the inside of the storage room 16 can be more reliably illuminated.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above-described embodiment, the configuration in which the interior light 30 is provided on the ceiling surface of the storage room 16 is exemplified, but the configuration is not limited thereto. For example, the interior light 30 may be provided on a side surface of the storage room 16.
(2) The light source is not limited to the LED, and can be appropriately changed. Further, the infrared sensor 40 may use an infrared sensor other than the pyroelectric type, for example, an infrared sensor having a thermopile as a sensor element may be used.
(3) In the above embodiment, the cooling storage is exemplified as the storage, but the storage is not limited to this.

DESCRIPTION OF SYMBOLS 10 ... Cooling storage (storage), 11 ... Storage main body, 13 ... Door, 16 ... Storage room, 24 ... Ceiling surface (wall surface of the wall which comprises a storage room), 30 ... Interior light, 31 ... Board, 31A ... One surface, 31B ... The other surface, 33 ... LED (light source), 40 ... Infrared sensor, P1 ... Center of storage room 16

Claims (2)

A box-shaped storage body having a storage room;
A door attached to the storage main body and capable of opening and closing the storage room,
And an interior light arranged in the storage room,
The interior light,
A substrate having one surface facing the door side and the other surface facing the opposite side to the door,
An infrared sensor provided on the one surface,
A light source provided on the other surface. The interior light is provided on a wall surface of a wall constituting the storage room,
The storage according to claim 1, wherein the light source is disposed at an end of the other surface on the center side of the storage room.

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