JP4699708B2 - Product display shelf equipped with a product information reading device - Google Patents

Description

  The present invention relates to a merchandise display shelf including a reading device for reading information of an RFID tag in which article information is recorded.

  In recent years, in order to manage the storage state of articles stored in furniture, an RFID tag in which article information is recorded is attached to each article, information on the RFID tag is read by a reading device, and each article is based on the read information. Various devices have been developed that manage the storage state of the storage.

  As an example of this, it is possible to read the article information recorded on the RFID tag of the article stored in the fixture by a reading device arranged on the shelf board of the fixture and manage the article based on the read article information. (See Patent Document 1).

JP 7-182357 A (paragraphs 0011-0022, FIG. 1-3)

  However, in Patent Document 1, as in the above-mentioned Document 1, when reading article information on the fixture side, for example, a part of the fixture is made of an electromagnetic shielding material (EMS material) such as metal. The electromagnetic shielding material generates a magnetic field in the opposite direction to the direction of the magnetic field of the electromagnetic wave generated from the magnetic antenna of the reading device, so that the electromagnetic wave from the reading device is affected by the electromagnetic shielding material. Therefore, an electromotive force is less likely to be generated in the RFID tag, which may cause a problem in reading an electromagnetic wave including article information recorded on the RFID tag.

  The present invention has been made paying attention to such problems, and can accurately read the article information recorded on the RFID tag of the article without being affected by the electromagnetic shielding material from the electromagnetic wave from the reading device. The purpose is to provide merchandise display shelves.

In order to solve the above-mentioned problem, a product display shelf provided with the article information reading device according to claim 1 of the present invention has a pair of left and right legs and rear ends of a pair of left and right brackets facing the front and rear. In a product display shelf that is supported on both sides of a plurality of shelf plates made of electromagnetic shielding materials facing left and right on both brackets, an article is placed on the lower shelf plate among the adjacent upper and lower shelf plates. with placing the article to which the RFID tag is attached with information, the attachment piece is formed on the lower end face both end portions of the canopy that is formed so as to face forward and obliquely downward to the front end of said upper shelf, mounting piece in the forward oblique from the formed canopy to face downwardly spaced rearward obliquely downward and fixing the support plate is a non-electromagnetic shielding material, electromagnetic waves shelf plate body and the canopy from the previous SL R FID tag Shadow from A reading device for reading RFID tag information is provided on the support plate so as to be separated by a predetermined interval or more so as to be received without being affected.
According to this feature, even if each shelf plate is an electromagnetic shielding material, the reading device does not affect the electromagnetic wave from the RFID tag from the bottom surface of the canopy formed at the front end portion of the shelf plate from the shelf body and the canopy. Since it is attached to a support plate that is a non-electromagnetic shielding material so as to be receivable at a predetermined interval or more, the electromagnetic shielding material that is a shelf plate is not affected by electromagnetic waves from the reading device, and is mounted on the lower shelf plate. The information recorded on the RFID tag of the article to be placed can be read accurately, and the reading device is inclined so as to face the lower shelf by the inclination of the canopy. Information on RFID tags of a plurality of articles placed can be read over a wide range. Furthermore, the electromagnetic waves of the reading devices positioned above and below do not interfere with each other.

A merchandise display shelf comprising the article information reading device according to claim 2 of the present invention is a merchandise display shelf comprising the article information reading device according to claim 1, wherein the merchandise display shelf is provided at the top of the plurality of shelf boards. An upper surface plate made of an electromagnetic shielding material is provided further above the shelf plate positioned, and an article with an RFID tag having article information attached is placed on the uppermost shelf adjacent to the upper surface plate in the vertical direction. The reading device for reading the RFID tag information is affected by the electromagnetic wave from the RFID tag from the lower surface of the canopy formed at the front end portion of the upper surface plate so as to face obliquely downward and forward from the uppermost shelf body and the canopy. It is characterized by being provided so as to be separated by a predetermined interval or more so that it can be received without any problem.
According to this feature, even if the upper surface plate is an electromagnetic shielding material, the reading device is affected by the electromagnetic wave from the RFID tag from the lower surface of the canopy formed at the front end portion of the upper surface plate from the uppermost shelf body and the canopy. because it is spaced Rukoto without receivable in more than a predetermined distance, without the electromagnetic waves from the reader is affected by the electromagnetic shielding member is a top plate, the article to be placed on the uppermost shelf board RFID tag A plurality of articles placed on the uppermost shelf by tilting the reading device in the direction of the lower shelf with the inclination of the canopy. RFID tag information can be read over a wide range.

Commodity display shelf including a reader of the article information according to claim 3 of the present invention is a merchandise display rack comprising a reading device of the article information according to claim 1 or 2, in said canopy Illumination for illuminating the lower shelf direction is provided, and a translucent support plate having the readout device is provided below the illumination.
According to this feature, by providing a translucent support plate below the illumination, it is possible to illuminate the lower shelf direction from the illumination installed in the canopy. The reading device can also be applied to the plate and the top plate.

A merchandise display shelf comprising the article information reading device according to claim 4 of the present invention is a merchandise display shelf comprising the article information reading device according to claim 3 , wherein the reading device is formed in an annular shape, It is provided on the light-transmitting support plate.
According to this feature, it is possible to read the information of the RFID tag of the article placed on the lower shelf without impairing the illumination effect installed in the canopy by the readout device provided in an annular shape on the support plate.

A merchandise display shelf comprising the article information reading device according to claim 5 of the present invention is a merchandise display shelf comprising the article information reading device according to any one of claims 1 to 4 , wherein the shelf board includes: A wiring port is provided at the corner of the rear end.
According to this feature, since the communication cable connected to the reading device passes through the wiring port formed at the corner of the rear end of the shelf board, the wiring process is performed along the pedestal of the merchandise display shelf. The communication cable does not protrude into the article storage section, and the appearance from the front of the merchandise display shelf is not impaired. In particular, the communication cable is effectively concealed even when the shelf board is moved up and down.

  Examples of the present invention will be described below.

  FIG. 1 is a perspective view showing an overall image of a product display shelf provided with an article information reading device according to Embodiment 1 of the present invention, and FIG. 2 is a perspective view showing a shelf board provided with the reading device. 3 is a side cross-sectional view taken along line CC in FIG. 2, FIG. 4 (a) is an enlarged perspective view showing the reading device, and FIG. 4 (b) is a perspective view showing mounting of the reading device. 5 is a side sectional view showing the AA line in FIG. 1, and FIG. 6 is a plan sectional view showing the BB line in FIG. This product display shelf (hereinafter referred to as “product display shelf 1”) is installed in a product store such as a supermarket or a convenience store, and a large number of products are placed on the product display shelf 1 so that consumers can directly (Hereinafter, the article 19) can be taken out.

  Embodiment 1 of the present invention will be described with reference to the drawings. As shown in FIG. 1, the commodity display shelf 1 is provided with a shelf plate made of electromagnetic shielding material (in this embodiment, metal steel material) on the floor surface. A mounting table 5 is provided, and a pair of leg posts 2 made of an electromagnetic shielding material extending in the vertical direction from the floor surface are provided at a rear side of the mounting table 5 with a predetermined distance therebetween on the left and right.

  A horizontal member (not shown) is sandwiched between the upper ends of the two pillars 2, and an upper surface plate 13 is further provided on the upper part. The left and right leg pillars 2, the mounting table 5, and the horizontal member are provided. A frame is constituted by (not shown). A back plate 6 made of an electromagnetic shielding material (a metal steel material in the present embodiment) and a back cover (not shown) also made of an electromagnetic shielding material are fitted back and forth between the frame pillars 2. Attached.

  A plurality of engagement holes 2 a are formed in the pedestal 2 in the vertical direction, and a wiring hole 2 b for wiring a LAN cable 21 described later to the outside is formed below the pedestal 2. A plurality of shelves 3 made of electromagnetic shielding materials are provided in a vertical direction at a predetermined height position of the back plate 6. The shelf board 3 is placed and locked on the upper end of a bracket 4 attached in advance to the engagement hole 2 a of the pedestal 2. Hereinafter, in the present embodiment, the front side of the product display shelf 1 is assumed to be the front, and the back side of the product display shelf 1 is assumed to be the rear.

  A plurality of articles 19 to which RFID (Radio Frequency IDentification, wireless identification) tags, which will be described later, are attached, are placed on the top surface of the shelf board 3. The front end portions of the shelf plates 3 and the upper surface plate 13 have canopies 3a and 13a (in this embodiment, metal steel material) formed so as to face obliquely downward in the front, and on the lower surfaces of the canopies 3a and 13a The RFID antenna 9, which is a reading device to be described in detail later, is provided corresponding to each of the top plate 13 and each shelf plate 3. Inside the mounting table 5, a relay device 16 having functions such as a concentrator and a tuner, and a power adapter 17 for supplying power to the RFID antenna 9 and the relay device 16 are provided.

  Each RFID antenna 9 is connected to a communication cable 18 including a signal cable (not shown) for transmitting and receiving various signals and a power supply cable (not shown) for supplying power, and the signal cable is a relay device. The power feeding cable is connected to the power adapter 17 and disposed in the commodity display shelf 1.

  The relay device 16 is connected via a LAN cable 21 to a management computer 20 that is connected to the LAN network and manages and operates the article management system. In the relay device 16, various types of data can be transmitted and received between the management computer 20 and the RFID antenna 9 by a tuner having a data conversion function.

  That is, by transmitting the item information data of the RFID tag of the item 19 to the management computer 20, the management computer 3 can centrally manage the item information of the item 19 placed on each of the plurality of shelves 3. It is like that.

  Note that each of the RFID antenna 9 of this embodiment and the RFID tag on which article information is recorded use an annular coil antenna (not shown) and is guided between the RFID antenna 9 and the coil of the RFID tag. Communication is performed by the electromagnetic induction method using the magnetic flux generated in this way.

  And, the reading frequency of the RFID antenna 9 of this embodiment uses the frequency of the electromagnetic induction short wave band (13.56 MHz), but the present invention is not limited to these electromagnetic induction methods and frequencies, For example, there are electromagnetic induction type long wave band (up to 135 kHz) and microwave type radio wave band (2.45 GHz) using microwave wave, etc., which are placed on product display shelves and shelf boards. In accordance with the shape, characteristics, and communication distance of the product to be used, an RFID antenna and an RFID tag having an optimum method and frequency suitable for a more ideal environment may be appropriately used.

  Next, the internal structure of the merchandise display shelf 1 will be mainly described. As shown in FIG. 5, a plurality of downward hooked engagement pieces 4 a are formed at the rear end of the bracket 4, and are engaged and fixed to the engagement holes 2 a and attached to the pedestal 2. A plurality of locking grooves 4 b are formed at the upper end of the bracket 4, and reinforcing members 3 c are provided on the bottom surface of the shelf board 3 so as to face each other, and the shelf board 3 is placed on the bracket 4. Then, the reinforcing material 3c is locked in the locking groove 4b and fixed in position. Similarly, the brackets 4 are provided in multiple stages (four stages in this embodiment), and the shelf plates 3 are placed on these brackets 4 and fixed in position. An upper surface plate 13 is disposed above the shelf plate 3 located at the uppermost stage, and the lower surface of the rear end portion 13b of the upper surface plate 13 is brought into contact with the upper end of the horizontal member 8 provided at the upper end portions of the two pillars 2. Then, it is fixed and attached with a bolt (not shown).

  RFID antennas 9 are respectively provided below the canopies 3a and 13a formed at the front end portions of the shelf plates 3 and the upper surface plate 9, and the communication cables 18 connected to the RFID antennas 9 are downward from the rear. Wiring formed in the pedestal 2 is connected to the relay device 16 and the power adapter 17 through the cable hole 5a formed on the rear side of the shelf of the mounting table 5, and the LAN cable 21 is wired from the relay device 16. It is arranged outside through the hole 2b.

  Further, the back plate 6 made of a hard plastic material and the back cover 7 made of a hard plastic material having substantially the same shape are fitted and attached between the two pillars 2 so that the wiring of the communication cable 18 is exposed to the outside from the rear. It is concealed without.

  Thus, from the RFID antenna 9 provided so as to correspond to each shelf 3 corresponding to the upper shelf and the canopies 3a, 13a of the upper surface plate 13, the shelf corresponding to the lower shelf located directly below 3 and the article information of the RFID tag 11 of the article 19 placed on the shelf board of the placing table 5 can be read out.

  The structure of the shelf board 3 will be specifically described. FIG. 2 shows a perspective view of the shelf board 3 as viewed from above, and the shelf board 3 includes a canopy 3a having a front end portion made of an electromagnetic shielding material (a metal steel material in this embodiment). 3e, a reinforcing material 3c, and a support plate 12 made of a non-electromagnetic shielding material (hard plastic material in this embodiment). An RFID antenna 9 is provided on the upper surface of the support plate 12.

The shelf body 3e has both end portions (not shown) and a rear end portion 3b bent downward, a canopy 3a is formed so that the front end portion extends obliquely downward toward the front, and a corner of the rear end portion 3b is formed. The part is formed with a wiring port 3b 'penetrating in the front-rear direction. The reinforcing member 3c has an upward U-shaped cross section and is formed in the left and right length directions. The reinforcing member 3c is welded and fixed to the front and rear of the bottom surface of the shelf board main body 3e to increase the strength of the shelf board main body 3e. From both ends of the rear end of the lower end surface of the canopy 3a, attachment pieces 3d are formed obliquely upward and backward, and a support plate 12 is attached as will be described in detail later.

  As shown in FIG. 3, the RFID antenna 9 is attached to the upper surface of the support plate 12, a communication cable 18 is connected to the RFID antenna 9, and wiring is performed from the canopy 3 a along both ends of the shelf main body 3 e, The rear end portion 3b is disposed from the rear to the lower side through the wiring port 3b ′. The canopy 3a and the support plate 12 positioned above and below the RFID antenna 9 also have a function as an antenna protective film for preventing the RFID antenna 9 from being damaged or broken when the article 19 is stored, for example. ing.

  The mounting position of the support plate 12 to the mounting piece 3d is separated from the lower surface of the shelf main body 3e by a predetermined distance (L1) or more, and is separated from the upper surface of the canopy 3a by a predetermined distance or more (L2) toward the rear and downward. It has been. With respect to the distance (L1) between the RFID antenna 9 and the shelf body 3e that is an electromagnetic shielding material and the distance (L2) between the RFID antenna 9 and the canopy 3a that is an electromagnetic shielding material, In order to cause the RFID tag (not shown) to receive without being affected by the main body 3e and the canopy 3a and to cause the RFID antenna 9 to receive electromagnetic waves from the RFID tag without being affected by the shelf body 3e and the canopy 3a, at least It has been experimentally verified that the distance between the RFID antenna 9 and the shelf main body 3e and the canopy 3a is preferably 40 mm or more.

  Therefore, in this embodiment, as shown in FIG. 5 described above, the distance (L1) between the RFID antenna 9 and the shelf body 3e applied to the commodity display shelf 1, and the RFID antenna 9 and the canopy 3a (L2) is 40 mm. Note that the distance (L1) between the upper surface plate body 13e of the upper surface plate 13 that is an electromagnetic shielding material and the RFID antenna 9 and the distance (L2) between the canopy 13a and the RFID antenna 9 are also set to a predetermined distance ( L1) and (L2) are separated from each other, and each predetermined interval (L1) (L2) is 40 mm. Similarly, the attachment position of the RFID tag 11 provided on the article 19 is preferably 40 mm or more away from the shelf board main body 3e and the canopy 3a, and the upper surface board main body 13e and the canopy 13a.

  The attachment of the RFID antenna 9 to the support plate 12 will be described in more detail. As shown in FIG. 4A, the RFID antenna 9 is fixed to the support plate 12 with an adhesive, and bolt holes 12 a penetrating vertically are formed at both ends of the support plate 12. As shown in FIG. 4 (b), the left and right mounting pieces 3d are formed with bolt holes 3d 'penetrating vertically at positions corresponding to the bolt holes 12a of the support plate 12, and the bolts 26 are connected to the bolt holes 12a. Then, the support plate 12 is fixed to the mounting piece 3d by screwing into the bolt hole 3d ′.

  Thus, since the RFID antenna 9 as a reading device is fixed to the lower surface of the canopy 3a of the shelf board 3 via the support plate 12, the RFID antenna 9 can be firmly attached, and the support plate 12 is attached to the canopy 3a. By being detachably attached to the attachment piece 3d, maintenance work in the support plate 12, the RFID antenna 9, and the canopy 3a can be quickly performed.

  When the support plate 12 is attached to the attachment piece 3, the attachment position of the support plate 12 of the RFID antenna 9 is attached to a position separated from the left and right attachment pieces 3 inward by a predetermined distance (L0) or more. , And attached to a position separated from the tip of the canopy 3a by a predetermined distance (L3) or more.

  Regarding the distance (L0) between the RFID antenna 9 and the mounting piece 3d that is an electromagnetic shielding material, and the distance (L3) between the RFID antenna 9 and the tip of the canopy 3a, the electromagnetic wave from the RFID antenna 9 is attached to the mounting piece 3d and the canopy. In order to cause the RFID tag (not shown) to receive without being influenced from the tip of 3a and to cause the RFID antenna 9 to receive electromagnetic waves from the RFID tag without being affected by the shelf body 3e and the reinforcing material 3c, at least It has been experimentally verified that the distance between the RFID antenna 9 and the mounting piece 3d and the distance between the RFID antenna 9 and the tip of the canopy 3a is preferably 40 mm or more.

  Therefore, in this embodiment, the distance (L0) (L3) between the RFID antenna 9 and the tip of the mounting piece 3d and the canopy 3a is 40 mm. Note that the distance between the mounting pieces 13d of the upper surface plate 13 and the tip of the canopy 13a, which are electromagnetic shielding materials, and the RFID antenna 9 is also separated by a predetermined distance (L0) (L3) or more, similar to the shelf board 3. The predetermined intervals (L0) and (L3) are 40 mm (see FIG. 5).

  As described above, the mounting positions of the RFID antenna 9 corresponding to the reading devices provided on the shelf plate 3 and the upper plate 13 which are the upper shelf plates are the shelf plate main body 3e, the lower surface of the upper plate main body 13e, and the canopies 3a and 13a. The electromagnetic waves from the RFID antenna 9 which is a reading device attached to each shelf 3 made of an electromagnetic shielding material are upwardly attached by attaching them at positions spaced apart from each other by a predetermined distance (L1) or (L2). The information of the RFID tag of the article 19 placed on the shelf board 3 as the lower shelf board and the shelf board of the mounting table 5 can be reliably read out without being affected by the shelf board 3 as the shelf board.

  Similarly, an electromagnetic wave from the RFID antenna 9 which is a reading device attached to the upper surface plate 13 made of an electromagnetic shielding material is placed on the shelf plate 3 installed at the uppermost stage without being affected by the upper surface plate 13. The information of the RFID tag of the article 19 to be read can be read reliably.

  In addition, the RFID antenna 9 is attached to the support plate 12 at a position spaced apart from the front ends of the mounting pieces 3d and 13d and the canopies 3a and 13a by a predetermined distance (L0) (L3), so that the canopy 3a is as in this embodiment. Even in the case of the electromagnetic shielding material, by separating the RFID antenna 9 by a predetermined distance (L0) (L3) or more, the electromagnetic wave from the RFID tag 11 is not affected by the electromagnetic wave from the RFID antenna 9. Reception can be performed more accurately.

  Further, since the top plate 13 and each shelf plate 3 are made of electromagnetic shielding materials, the information on the RFID tag 11 of the article is displayed on the lower shelf plate without the electromagnetic waves of the RFID antennas 9 positioned above and below interfering with each other. Can be reliably read for each shelf plate 3 and each shelf plate of the mounting table 5.

  Further, as shown in FIG. 5, the RFID antenna 9 is inclined and attached so as to face the shelf plate 3 of the lower shelf plate and the shelf plate of the mounting table 5, for example, each shelf plate 3 and In addition to the case where the RFID tag 11 is attached to the upper surface side of the article 19 placed on the shelf plate of the mounting table 5, the RFID tag 11 ′ on the front side and the RFID tag 11 ″ on the back side, Information of these RFID tags 11, 11 ′, 11 ″ can be read over a wide range.

  Next, as shown in FIG. 6, the RFID antenna 9 is spaced inward by a predetermined distance (L4) or more inward from the bracket 4 locked to the left and right pedestals 2 at a predetermined mounting position on the canopy 3a. It is attached (40 mm in this embodiment). A plurality of articles 19 are placed on the shelf 3, and RFID tags 11 are attached to the top surfaces of the articles 19.

  Regarding the distance (L4) between the RFID antenna 9 and the bracket 4 that is an electromagnetic shielding material, the RFID tag 11 receives the electromagnetic wave from the RFID antenna 9 without being affected by the bracket 4, and the electromagnetic wave from the RFID tag 11 is bracketed. It has been experimentally verified that at least the distance between the RFID antenna 9 and the bracket 4 is preferably 40 mm or more so that the RFID antenna 9 can receive the signal without being influenced by the antenna 4. Therefore, in this embodiment, the distance (L4) between the RFID antenna 9 and the bracket 4 is set to 40 mm.

  Since the communication cable 18 connected to the RFID antenna 9 is passed through the wiring port 3b ′ formed at the corner of the rear end 3b of the shelf board 3 and wiring processing is performed along the pedestal 2, the communication cable 18 is communicated. The cable 18 can be prevented from protruding into the storage portion of the article 19, and the appearance from the front of the merchandise display shelf 1 is not impaired. In particular, the communication cable 18 can be effectively concealed even when the shelf board 3 is moved up and down.

  As described above, in the first embodiment, the RFID antenna 9 serving as a reading device can be mounted apart from the shelf plate 3 and the upper surface plate 13 serving as electromagnetic shielding materials and the canopies 3a and 13a via the support plate 12, so that The electromagnetic wave including the article information of the RFID tag 11 attached to the article 19 placed on the shelf board 3 and the shelf board 5 of the placing table 5 is not affected by these electromagnetic shielding materials. 9, and by providing the RFID antenna 9 on the lower surface side of the canopies 3 a and 13 a, the RFID antenna 9 can be tilted so as to face the lower shelf plate, and a plurality of components placed on the shelf plate can be placed. Information of the RFID tag 11 attached to the article 19 can be read over a wide range.

  Next, a second embodiment of the present invention will be described with reference to FIGS. FIG. 7 is a perspective view showing the reading device, and FIG. 8 is a side sectional view showing a shelf board to which the reading device is attached.

  In the following second embodiment, the same structural parts as those of the first embodiment will be denoted by the same reference numerals, and detailed description thereof will be omitted. As shown in FIG. 7, the RFID antenna 9 is formed in an annular shape and an opening 9b is formed. The RFID antenna 9 is fixed to a support plate 12 ′ having translucency (in this embodiment, a translucent hard plastic material) with an adhesive, and penetrates both ends of the support plate 12 ′ in the vertical direction. Bolt holes 12a are formed.

  As shown in FIG. 8, an illumination 32 is provided inside the canopy 3 a, and an article (not shown) placed on the shelf board 3, which is a lower shelf board located directly below, or the shelf board of the mounting table 5. Since the support plate 12 'is detachably fixed to the mounting plate 3d with bolts 26 so as to be positioned below the illumination 32, the illumination 32 installed in the canopy 3a is configured. Maintenance work such as replacement can be performed quickly.

  In this way, by providing the light-transmitting support plate 12 ′ below the illumination 32, light from the illumination 32 installed in the canopy 3 a can pass through the opening 9 b of the RFID antenna 9 ′. Since it is possible to illuminate the direction of the shelf board, it is possible to install the RFID antenna on the illuminated shelf board and the top board. Further, since the RFID antenna 9 ′ is provided in a ring shape on the support plate 12 ′, the RFID tag information of the article installed on the lower shelf board is not impaired without impairing the effect of the illumination 32 installed in the canopy 3a. Reading can be performed.

  As described above, the first and second embodiments of the present invention have been described with reference to the drawings. However, the specific configuration is not limited to these embodiments, and the present invention can be changed or added without departing from the scope of the present invention. For example, in the above embodiment, the RFID antenna 9 is provided in the canopy 3a so that the RFID antenna 9 is protected without being exposed to the outside. However, the present invention is not limited to this. Instead, for example, the RFID antenna 9 may be installed on the lower surface of the support plate 12 and provided with an antenna protective film on the surface so that the RFID antenna 9 is exposed in the storage unit. The installation state of the RFID antenna 9 may be determined according to the form.

  Moreover, in the said Example, although the RFID tag 11 is stuck and attached to the article | item 19, this invention is not limited to this, For example, the RFID tag 11 is embedded and attached in the article | item 19, or the article | item 19 is attached. The RFID tag may be inserted into the inside as it is, and an RFID tag may be appropriately attached by an attachment method utilizing the product characteristics of the article.

  In the above embodiment, the canopies 3a and 13a are formed of an electromagnetic shielding material, but the present invention is not limited to this, and the canopy is formed of a non-electromagnetic shielding material (for example, hard plastic), and the RFID You may make it attach an antenna to a canopy so that it may space apart from the shelf board which is an electromagnetic shielding material.

  In the above embodiment, the management computer 20 is provided outside (see FIG. 1), so that a plurality of other merchandise display shelves (not shown) can be managed centrally. However, the present invention is not limited to this. For example, the management computer 20 may be built in the mounting table 5 in which the relay device 16 is accommodated, or the articles may be managed for each merchandise display shelf. good.

It is a perspective view which shows the whole image of a goods display shelf provided with the reading apparatus of the article information in Example 1 of this invention. It is a perspective view which shows the shelf provided with the reading apparatus. It is a sectional side view which shows the CC line of FIG. (A) is an expansion perspective view which shows a reading device, (b) is a perspective view which shows the process of attaching a reading device to a canopy. It is a sectional side view which shows the AA line of FIG. It is a plane sectional view showing a BB line of FIG. FIG. 6 is a perspective view illustrating a reading device in Embodiment 2. It is a sectional side view which shows the shelf board with which the reading device of Example 2 was attached.

Explanation of symbols

1 product display shelf 2 pedestal (electromagnetic shielding material)
2a engaging hole 2b wiring hole 3, 3 'shelf board (electromagnetic shielding material)
3a Canopy 3b Rear end 3b 'Wiring port 3c Reinforcing material (electromagnetic shielding material)
3d Mounting piece (part of the canopy)
3d 'bolt hole 3e shelf board body 4 bracket 4a engaging piece 4b locking groove 5 mounting base 5a cable hole 6 back plate (electromagnetic shielding material)
7 Rear plate (electromagnetic shielding material)
8 Horizontal member 9, 9 'RFID antenna (reading device)
9b Opening 11, 11 ′, 11 ″ RFID tag 12 Support plate (non-electromagnetic shielding material)
12 'Translucent support plate (non-electromagnetic shielding material)
12a Bolt hole 13 Top plate (electromagnetic shielding material)
13a Canopy 13b Rear end 13c Reinforcing material (electromagnetic shielding material)
13d Mounting plate 13e Top plate body 18 Communication cable (including power supply cable and signal cable)
19 Article 26 Bolt 32 Lighting

Claims (5)

The rear ends of a pair of left and right brackets facing the front and rear are respectively supported by left and right pedestals, and both sides of a plurality of shelves made of electromagnetic shielding materials facing the left and right directions are placed on both brackets. In the commodity display shelf, an article having an RFID tag having article information is disposed on a lower shelf board among adjacent upper and lower shelf boards, and is directed obliquely forward and downward to a front end portion of the upper shelf board. the attachment piece is formed on the lower end face both end portions of the formed canopy as, the mounting piece, from said formed canopy to face forward and obliquely downward spaced rearward obliquely downward at a non-electromagnetic shielding material there the support plate is fixed, pre-SL before the reading device for reading the RFID tag information to be separated electromagnetic waves Shelf body and affected capable of receiving more than a predetermined distance without the canopy from R FID tag A merchandise display shelf provided with an article information reading device, which is provided on the support plate. An RFID tag having an upper surface plate made of an electromagnetic shielding material further above the shelf plate positioned at the uppermost level of the plurality of shelf plates, and having article information on the uppermost shelf plate vertically adjacent to the upper surface plate The reading device that reads out the RFID tag information is placed on the front end portion of the top plate so that the electromagnetic wave from the RFID tag is transmitted from the bottom surface of the canopy formed to face the front and lower side . A merchandise display shelf comprising the article information reading device according to claim 1, wherein the article information reading device is provided so as to be receivable without being affected by the shelf body and the canopy . Provided an illumination for illuminating the shelves direction of said lower in said canopy, a reader of the article information according to claim 1 or 2 a support plate is provided with a light-transmitting property with the reading device below the illumination Product display shelf provided. The product display shelf comprising the article information readout device according to claim 3 , wherein the readout device is formed in an annular shape and provided on the translucent support plate. Commodity display shelf including a reader of the article information according to any one of claims 1 to 4 provided with a wiring opening in the corner portion of the rear end portion of the shelf board.

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