WO2020189474A1 - Étiquette de détection de relâchement et structure de détection de relâchement - Google Patents

Étiquette de détection de relâchement et structure de détection de relâchement Download PDF

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Publication number
WO2020189474A1
WO2020189474A1 PCT/JP2020/010712 JP2020010712W WO2020189474A1 WO 2020189474 A1 WO2020189474 A1 WO 2020189474A1 JP 2020010712 W JP2020010712 W JP 2020010712W WO 2020189474 A1 WO2020189474 A1 WO 2020189474A1
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WO
WIPO (PCT)
Prior art keywords
region
looseness detection
attached
bolt
looseness
Prior art date
Application number
PCT/JP2020/010712
Other languages
English (en)
Japanese (ja)
Inventor
夏樹 菰田
諒 松保
格 宮本
大輔 都成
武宏 西村
與志 佐藤
Original Assignee
トッパン・フォームズ株式会社
川崎重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2020033383A external-priority patent/JP7412220B2/ja
Application filed by トッパン・フォームズ株式会社, 川崎重工業株式会社 filed Critical トッパン・フォームズ株式会社
Publication of WO2020189474A1 publication Critical patent/WO2020189474A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/59—Responders; Transponders

Definitions

  • the present invention relates to a looseness detection label and a looseness detection structure that detect looseness of a tightening member tightened to a tightening target component via non-contact communication.
  • non-contact communication media using RFID technology such as non-contact IC labels and non-contact IC tags equipped with IC chips capable of writing and reading information in a non-contact state have been excellent. Due to its convenience, it is rapidly becoming widespread. Therefore, it is considered to use such RFID technology even when detecting the looseness of the bolt described above.
  • Patent Document 1 describes a technique in which an IC tag is attached to a cap portion of a bolt, and a conductor piece made of a metal or the like having an opening is attached to a ring fixed to a member to which the bolt is tightened. It is disclosed.
  • the IC tag faces the opening to enable reading to the IC tag, and if the bolt is loose, the bolt rotates to cause the IC tag to read. It does not face the opening, making it impossible to read the IC tag. Thereby, loosening of the bolt can be detected.
  • loosening of bolts can be detected without the need for large-scale equipment, dedicated bolts, washers, jigs, or the like.
  • the present invention is a looseness detection label that detects looseness of a tightening member tightened to a tightening target component via non-contact communication.
  • the looseness detection label and looseness that make it easy to obtain a sufficient communication distance even when the tightening member is small.
  • the purpose is to provide a detection structure.
  • the looseness detection label of the present disclosure is A looseness detection label that detects looseness of the tightening member tightened to the part to be tightened via non-contact communication.
  • An adhesive layer is laminated on one surface, and the band-shaped first region to be attached along the side surface of the tightening member and the first region extending in a direction orthogonal to the longitudinal direction of the first region.
  • a second region connected to the first region and adhered so as to face the tightening member from the upper surface to the side surface thereof and the second region connected to the opposite side of the first region.
  • a base base material provided with a third region to be attached to the tightening target part, and A communication antenna formed in the first region of the base base material so as to extend in the longitudinal direction of the first region.
  • Looseness detection wiring formed across the second region and the third region of the base base material, and It is arranged in the second region of the sheet base material in connection with the communication antenna and the looseness detection wiring, detects the conduction state of the looseness detection wiring, and reports the detection result via the communication antenna. It has a detection means for non-contact transmission, The first region has a length that does not overlap the second region when the loosening detection label is attached across the tightening member and the tightening target component.
  • the looseness detection structure of the present disclosure includes parts to be tightened and The tightening member tightened to the tightening target part and A non-conductive member having an outer shape substantially the same as the shape of the upper surface of the tightening member and attached to the upper surface of the tightening member.
  • An adhesive layer is laminated on one surface, and the band-shaped first region wound around the side surface of the non-conductive member and attached by the adhesive layer and the direction orthogonal to the longitudinal direction of the first region.
  • a second region that is connected to the first region so as to extend and is adhered by the adhesive layer from the upper surface to the side surface of the non-conductive member and further to the side surface of the tightening member, and the second region.
  • a base base material which is connected to the side of the region opposite to the first region and includes a third region which is attached to the tightening target component by the adhesive layer.
  • a communication antenna formed in the first region of the base base material so as to extend in the longitudinal direction of the first region.
  • Looseness detection wiring formed across the second region and the third region of the base base material, and It is arranged in the second region of the sheet base material in connection with the communication antenna and the looseness detection wiring, detects the conduction state of the looseness detection wiring, and reports the detection result via the communication antenna.
  • the first region has a length that does not overlap with the second region attached to the side surface of the non-conductive member and the tightening member in a state of being wound and attached to the side surface of the non-conductive member.
  • FIG. 1a It is a top view which shows the 1st Embodiment of the looseness detection label of this disclosure. It is a side view seen from the A direction shown in FIG. 1a. It is a top view which shows an example of the adherend to which the looseness detection label shown in FIG. 1a and FIG. 1b is attached. It is a side view seen from the direction of arrow A shown in FIG. 2a. It is a top view which shows an example of the state in which the looseness detection label shown in FIGS. 1a and 1b is attached to the adherend shown in FIGS. 2a and 2b. It is a side view seen from the A direction shown in FIG. 3a. Top surface for explaining the action when the bolt is loosened when the looseness detection label shown in FIGS.
  • FIGS. 1a and 1b is attached across the bolt and the base as shown in FIGS. 3a and 3b. It is a figure. It is a side view seen from the A direction shown in FIG. 4a. In the looseness detection label shown in FIGS. 1a and 1b, as shown in FIGS. 4a and 4b, the attachment area attached to the side surface of the spacer and the side surface of the head portion of the bolt and the attachment attached to the base. It is a figure for demonstrating the action when the distortion occurs with a region. It is a figure which shows an example of the system for detecting looseness of a bolt with respect to a base using the looseness detection label shown in FIG. 1a and FIG. 1b.
  • FIG. 8 is a top view showing an example of a state in which the looseness detection label shown in FIGS. 8a and 8b is attached to an adherend having the same shape as the adherend shown in FIGS. 2a and 2b. It is a side view seen from the A direction shown in FIG. 9a.
  • FIGS. 9a and 9b Top surface for explaining the action when the bolt is loosened when the looseness detection label shown in FIGS. 8a and 8b is attached across the bolt and the base as shown in FIGS. 9a and 9b.
  • FIG. 1a is a top view showing a first embodiment of the looseness detection label of the present disclosure.
  • FIG. 1b is a side view seen from the direction A shown in FIG. 1a.
  • this embodiment is a looseness detection label 1 having a spacer 20 attached to one surface of the film substrate 10.
  • the film substrate 10 is the base substrate in the present disclosure.
  • the film substrate 10 is made of, for example, a PET film having a thickness of 70 ⁇ m or the like.
  • the film substrate 10 is laminated with an adhesive layer 30a to be a sticking layer by applying an adhesive to the entire surface of one surface.
  • the film substrate 10 is configured by connecting four attachment regions 10a to 10d in this order.
  • the sticking area 10a is the first area in the present disclosure.
  • the attachment region 10a has a band shape, and folded portions 16a to 16d are provided at equal intervals in the longitudinal direction thereof.
  • the surface of the attachment region 10a on the side opposite to the surface on which the adhesive layer 30a is laminated extends along the side surface of the attachment region 10a on the side of the connection side with the attachment region 10b in the longitudinal direction for communication.
  • the antenna 12 is formed.
  • the antenna 12 may have a shape of, for example, 3 ⁇ 50 mm.
  • the sticking region 10b is connected to the side side between the folded portions 16b and 16c of the sticking region 10a via the folded portion 15a so as to extend orthogonally to the longitudinal direction of the sticking region 10a.
  • a loop portion 14 connected to the antenna 12 is formed on the surface of the attachment region 10b opposite to the surface on which the adhesive layer 30a is laminated, and for looseness detection over the attachment regions 10b to 10d.
  • the wiring 13 is formed in a loop shape.
  • the IC chip 11 is mounted on the surface of the attachment region 10b where the loop portion 15 and the looseness detection wiring 13 are formed.
  • a spacer 20 is attached by the adhesive layer 30a to the surface of the attachment region 10b opposite to the surface on which the loop portion 15 and the loosening detection wiring 13 are formed.
  • the loop portion 14 is composed of, for example, a loop-shaped wiring having an outer shape of 6 ⁇ 10 mm.
  • the loop wiring 14 is connected to the antenna 12 and the IC chip 11.
  • the looseness detection wiring 13 extends from the end connected to the IC chip 11 to the attachment area 10d via the attachment area 10b and the attachment area 10c, and is folded back at the attachment area 10d to attach the attachment area 10d and the attachment area 10d. It extends to the attachment region 10d via the attachment region 10c, and the other end is connected to the IC chip 11 to form.
  • the IC chip 11 is a detection means in the present disclosure.
  • the IC chip 11 is provided with two antenna terminals (not shown) and two looseness detection terminals (not shown).
  • the IC chip 11 is mounted on the surface of the film substrate 10 on which the loop portion 15 and the looseness detection wiring 13 are formed, with the surface provided with the antenna terminal and the looseness detection terminal serving as a mounting surface.
  • Each of the antenna terminals of the IC chip 11 is connected to the antenna 12 via the loop portion 14.
  • the looseness detection terminals of the IC chip 11 are connected to both ends of the looseness detection wiring 13.
  • the IC chip 11 detects the resistance value of the loosening detection wiring 13 by passing a current due to electric power obtained by non-contact communication via the antenna 12 through the loosening detection wiring 13, and based on the resistance value, the IC chip 11 is used for loosening detection. The conduction state of the wiring 13 is detected, the detection result is converted into digital information, and non-contact transmission is performed via the antenna 12.
  • the spacer 20 is a non-conductive member in the present disclosure.
  • the spacer 20 has a regular hexagonal shape that is substantially the same as the shape of the upper surface of the bolt that is the tightening member to which the looseness detection label 1 is attached, and is orthogonal to the longitudinal direction of the attachment region 10a of the film substrate 10. It has approximately the same thickness as the width of.
  • the spacer 20 is made of a soft non-metal material such as, for example, a foamable acrylic resin.
  • the spacer 20 is attached to the attachment region 10b by the adhesive layer 30a so that one side thereof overlaps the folded portion 15a and the side facing the spacer 20 overlaps the connection side of the attachment region 10b with the attachment region 10c.
  • An adhesive layer 30b is laminated on the surface of the spacer 20 opposite to the attachment surface with the attachment region 10b by applying an adhesive to the entire surface thereof.
  • the sticking region 10c is connected to the side of the sticking region 10b facing the folded portion 15a via the folded portion 15b so as to extend in the direction opposite to the sticking region 10a.
  • a second region in the present disclosure is composed of the sticking region 10b and the sticking region 10c.
  • the sticking area 10d is the third area in the present disclosure.
  • the sticking region 10d is connected to the side of the sticking region 10c facing the folded portion 15b via the folded portion 15c so as to extend in the direction opposite to the sticking region 10b.
  • the folded portions 15a to 15c and 16a to 16d may be provided with perforations, streaks, or the like so that the film substrate 10 can be easily bent.
  • FIG. 2a is a top view showing an example of an adherend to which the looseness detection label 1 shown in FIGS. 1a and 1b is attached.
  • FIG. 2b is a side view seen from the direction of arrow A shown in FIG. 2a.
  • the looseness detection label 1 shown in FIGS. 1a and 1b is made of, for example, as shown in FIGS. 2a and 2b, a metal base 3 to be tightened and a metal base 3 to be tightened to the base 3. It is used by being attached to an adherend composed of the bolt 2.
  • a bolt 2 composed of a regular hexagonal head portion 2a and a screw portion 2b extending from one surface of the head portion 2a is provided, and a screw portion 2b is provided in a screw hole 3a formed in the base 3.
  • the bolt 2 is tightened to the base 3.
  • the bolt 2 may loosen due to vibration or the like applied from the outside, and the looseness detection label 1 shown in FIGS. 1a and 1b is used to detect the loosening.
  • FIG. 3a is a top view showing an example of a state in which the looseness detection label 1 shown in FIGS. 1a and 1b is attached to the adherend shown in FIGS. 2a and 2b.
  • FIG. 3b is a side view seen from the direction A shown in FIG. 3a.
  • the looseness detection label 1 shown in FIGS. 1a and 1b is attached to the adherend shown in FIGS. 2a and 2b and used for detecting looseness of the bolt 2, as shown in FIGS. 3a and 3b
  • the spacer 20 is attached by the adhesive layer 30b so as to overlap the upper surface of the head portion 2a of the bolt 2, and the attachment area 10a of the film substrate 10 is wound around the side surface of the spacer 20 and attached by the adhesive layer 30a.
  • the attachment region 10c of the film substrate 10 is attached by the adhesive layer 30a over the side surface of the spacer 20 and the side surface of the head portion 2a of the bolt 2, and the attachment area 10d of the film substrate 10 is attached to the base 3 It is attached to the surface of the surface with the adhesive layer 30a.
  • each of the five regions divided by the folded portions 16a to 16d of the sticking region 10a corresponds to each of the five side surfaces of the regular hexagonal side surface of the head portion 2a of the bolt 2.
  • the length of the sticking area 10a in the longitudinal direction is such that when the looseness detection label 1 is stuck across the bolt 2 and the base 3 as described above, the sticking area 10a does not overlap with the sticking area 10c. It has become.
  • the spacer 20 is attached so as to overlap the upper surface of the head portion 2a of the bolt 2, and the attachment area 10a of the film substrate 10 is wound around the side surface of the spacer 20 and attached to the film substrate 10.
  • the sticking area 10a is in a state of being stuck along the side surface of the head portion 2a of the bolt 2.
  • the attachment region 10b faces the upper surface of the head portion 2a of the bolt 2 and the attachment region is attached.
  • 10c faces the side surface of the head portion 2a of the bolt 2.
  • the attachment regions 10b and 10c which are the second regions, are attached so as to face each other from the upper surface to the side surface of the head portion 2a of the bolt 2.
  • the spacer 20 having a regular hexagonal shape substantially the same as the shape of the upper surface of the head portion 2a of the bolt 2 has been described as an example, but the upper surface of the head portion 2a of the bolt 2 has been described as an example. It may be larger or smaller in size.
  • the looseness detection wiring 13 is formed in a loop shape to be in a conductive state. Then, the looseness detection label 1 is attached across the bolt 2 and the base 3 as described above, whereby a looseness detection structure for detecting the looseness of the bolt 2 with respect to the base 3 is formed.
  • FIG. 4a shows when the loosening detection label 1 shown in FIGS. 1a and 1b is loosened in the state where the loosening detection label 1 is attached across the bolt 2 and the base 3 as shown in FIGS. 3a and 3b. It is a top view for demonstrating the action of.
  • FIG. 4b is a side view seen from the direction A shown in FIG. 4a.
  • FIG. 5 shows a sticking region 10c attached to the side surface of the spacer 20 and the side surface of the head portion 2a of the bolt 2 as shown in FIGS. 4a and 4b in the looseness detection label 1 shown in FIGS. 1a and 1b. It is a figure for demonstrating the action when the distortion occurs between the sticking area 10d stuck to the base 3.
  • the looseness detection label 1 is broken due to the distortion, and the looseness detection wiring 13 is disconnected accordingly, resulting in a non-conducting state. Then, by detecting the non-conducting state of the looseness detection wiring 13, it is detected that the bolt 2 tightened to the base 3 has loosened.
  • the looseness detection wiring 13 is in a conductive state, while the bolt 2 tightened to the base 3 is loosened.
  • the looseness detection wiring 13 is in a non-conducting state. Therefore, by detecting the continuity state of the looseness detection wiring 13, it is possible to detect that the bolt 2 is loose. At that time, by detecting that the bolt 2 is loose, the looseness detection label 1 is broken when the bolt 2 tightened to the base 3 is loosened, so that the base 3 can be loosened. Even if the tightened bolt 2 is loose, the looseness can be detected.
  • FIG. 6 is a diagram showing an example of a system for detecting looseness of the bolt 2 with respect to the base 3 by using the looseness detection label 1 shown in FIGS. 1a and 1b.
  • FIG. 1 A system having a reader / writer 5 as a reading means and a management personal computer 6 as a processing means connected to the reader / writer 5 via a wire or wireless can be considered. It is also conceivable to use a handy terminal having a built-in processing means as well as a reading means as a reader / writer, in which case a management personal computer becomes unnecessary.
  • FIG. 7 is a flowchart for explaining a method of detecting looseness of the bolt 2 with respect to the base 3 by using the looseness detection label 1 shown in FIGS. 1a and 1b in the system shown in FIG.
  • the reader / writer 5 when the reader / writer 5 is close to the looseness detection label 1 and the looseness detection label 1 is detected by the reader / writer 5 (step 1), first, the reader / writer From 5, power is supplied to the looseness detection label 1, and a command to detect the continuity state of the looseness detection wiring 13 and transmit the detection result is transmitted to the looseness detection label 1 (step 2). ).
  • the attachment region 10a on which the antenna 13 is formed is not directly attached to the bolt 2 or the base 3, but is wound around the side surface of the spacer 20, and the spacer 20 is used. It is attached to the upper surface of the head portion 2a of the bolt 2. Therefore, even when the looseness detection label 1 is attached to the bolt 2 made of metal, the reader / writer 5 can perform non-contact communication with the looseness detection label 1 without being greatly affected by the metal. ..
  • step 3 When the power supplied from the reader / writer 5 is obtained by the loosening detection label 1 and the command transmitted from the reader / writer 5 is received by the IC chip 11 via the antenna 12 of the loosening detection label 1 (step 3). ), A current is supplied to the looseness detection wiring 13 by the electric power supplied from the reader / writer 5.
  • the resistance value of the looseness detection wiring 13 is detected by using the supplied current, so that the continuity state of the looseness detection wiring 13 is detected (step 4).
  • the looseness detection label 1 is attached to the bolt 2 and the bolt 2 is not loosened as shown in FIGS. 3a and 3b
  • the looseness detection wiring 13 is in a conductive state, so that the IC chip In No. 11, the resistance value of the looseness detection wiring 13 itself is detected.
  • the detected resistance value is the resistance value of the looseness detection wiring 13 itself
  • the determination result is converted into digital information as the detection result of the continuity state of the loosening detection wiring 13, and is transmitted non-contactly to the reader / writer 5 via the antenna 12 (step 5).
  • the resistance value detected by the IC chip 11 becomes almost infinite as described later. Therefore, in the IC chip 11, as the resistance value for determining that the looseness detection wiring 13 is in a conductive state, not the resistance value of the looseness detection wiring 13 itself but a value equal to or less than a certain threshold value may be used.
  • the looseness detection label 1 is attached to the bolt 2, and the bolt 2 is loosened as shown in FIGS. 4a and 4b, so that the looseness detection label 1 is broken as shown in FIG. 5 for looseness detection.
  • the looseness detection wiring 13 is in a non-conducting state. In that state, even if a current is supplied to the looseness detection wiring 13 by the electric power supplied from the reader / writer 5, the looseness detection wiring 13 is in a non-conducting state, so that the looseness detection wiring 13 has a current. Does not flow. Therefore, the resistance value detected by the IC chip 11 becomes almost infinite.
  • the resistance value detected by the IC chip 11 becomes almost infinite. Therefore, in the IC chip 11, the resistance value for determining that the looseness detection wiring 13 is in a non-conducting state is not almost infinite, but is greater than a certain threshold value larger than the resistance value of the looseness detection wiring 13 itself. May be used.
  • the detection result transmitted non-contactly from the looseness detection label 1 to the reader / writer 5 as described above is received by the reader / writer 5 (step 6)
  • the detection result received by the reader / writer 5 is the management personal computer. Transferred to 6 (step 7).
  • the looseness detection label 1 is non-contactly transmitted to the reader / writer 5 in the management personal computer 6, and the management personal computer 6 Based on the detection result transferred to, it is determined whether or not the bolt 2 is loose (step 9). Specifically, in the detection result transferred from the reader / writer 5 to the management personal computer 6, if the looseness detection wiring 13 is in a conductive state, it is determined that the bolt 2 is not loosened, and the looseness detection wiring. When 13 is in a non-conducting state, it is determined that the bolt 2 is loose.
  • the looseness detection label 1 configured in this way can be used for detecting looseness of bolts fixing the bogie, for example, in a bogie of a railroad vehicle.
  • the spacer 20 is made of a soft material such as foamable acrylic resin, looseness detection is detected even if the looseness detection label 1 is blown by the wind or falls off due to vibration while the railroad vehicle is running. The damage caused by the label 1 hitting the human body or the like can be reduced.
  • the sticking region 10a of the film substrate 10 constituting the loosening detection label 1 has a band shape and the antenna 12 is formed extending along the longitudinal direction of the sticking region 10a will be described. ..
  • the communication distance was measured using a BHT series manufactured by Denso Wave Co., Ltd. as a reader / writer with an output of 0.1 W.
  • the communication distance was 10 cm when the looseness detection wiring 13 was not broken, and the communication distance was 5 cm when the looseness detection wiring 13 was broken.
  • the loosening detection label 1 shown in FIGS. 1a and 1b is wound around the side surface of the spacer 20 and the spacer 20 is the head portion 2a of the bolt 2.
  • the communication distance when the sticking area 10a was stuck along the side surface of the head portion 2a of the bolt 2 was measured. Then, the communication distance was 17 cm when the looseness detection wiring 13 was not broken, and the communication distance was 8 cm when the looseness detection wiring 13 was broken.
  • the length of the communication antenna is increased.
  • the antenna 12 is formed in a region facing the upper surface of the head portion 2a of the bolt 2, even if the antenna is formed in the region having the maximum diameter of the head portion 2a of the bolt 2, the length thereof is the head of the bolt 2. It can only be lengthened up to the maximum diameter of part 2a.
  • the looseness detection label 1 of the present embodiment is wound around the side surface of the spacer 20 and is attached to the upper surface of the head portion 2a of the bolt 2 so as to follow the side surface of the head portion 2a of the bolt 2. It has a band-shaped sticking area 10a stuck to. Therefore, if the antenna 12 is formed so as to extend along the longitudinal direction of the strip, the length of the antenna 12 can exceed the maximum diameter of the head portion 2a of the bolt 2. As a result, the communication distance can be increased as described above.
  • the spacer 20 when the spacer 20 is attached to the upper surface of the head portion 2a of the bolt 2, it is attached to the side surface of the spacer 20.
  • the antenna 12 By forming the antenna 12 in the attachment region 10a to be attached, the antenna 12 and the bolt 2 are electrically coupled to each other, and there is a possibility that the communication distance is further improved.
  • the width of the antenna 12 is preferably about 10 mm to 40 mm, more preferably about 30 mm to 40 mm.
  • the antenna 12 for non-contact transmission of the conduction state of the looseness detection wiring 13 is formed so as to extend in the longitudinal direction of the band-shaped attachment region 10a. Therefore, when the looseness detection label 1 is attached across the bolt 2 and the base 3, the antenna 12 has a shape along the side surface of the head portion 2a of the bolt 2. As a result, even when the bolt 2 is small, the length of the antenna 12 can be increased, and it becomes easy to obtain a sufficient communication distance. Further, the non-metal spacer 20 is attached to the attachment area 10b to be attached to the head portion 2a of the bolt 2, and the antenna 20 is arranged along the side surface of the spacer 20 to make the bolt 2 conductive. Even if it is made of a material, it is possible to avoid shortening the communication distance.
  • FIG. 8a is a top view showing a second embodiment of the looseness detection label of the present disclosure.
  • FIG. 8b is a side view seen from the direction A shown in FIG. 8a.
  • this embodiment is a looseness detection label 101 which is different from the looseness detection label 1 shown in FIGS. 1a and 1b in that it does not have the spacer 20 and the adhesive layer 30b.
  • FIG. 9a is a top view showing an example of a state in which the looseness detection label 101 shown in FIGS. 8a and 8b is attached to an adherend having the same shape as the adherend shown in FIGS. 2a and 2b. ..
  • FIG. 9b is a side view seen from the direction A shown in FIG. 9a.
  • the looseness detection label 101 shown in FIGS. 8a and 8b does not have the spacer 20 of the looseness detection label 1 shown in FIGS. 1a and 1b. Therefore, as the adherend to be attached, as shown in FIGS. 9a and 9b, it is conceivable that a non-metal bolt 102 is used instead of the metal bolt 2 shown in FIGS. 2a and 2b. Be done.
  • the looseness detection label 101 shown in FIGS. 8a and 8b is used to detect looseness of the bolt 102 in such an adherend, as shown in FIGS. 9a and 9b, the attachment region of the film substrate 110 is attached.
  • the 110b is attached to the upper surface of the head portion 102a of the bolt 102 by the adhesive layer 30a, and the attachment region 110a of the film substrate 110 is wound around the side surface of the head portion 102a of the bolt 102 and attached by the adhesive layer 30a. Further, the sticking area 110c of the film substrate 110 is stuck to the side surface of the head portion 102a of the bolt 102 by the adhesive layer 30a, and the sticking area 110d of the film substrate 110 is stuck to the surface of the base 3 by the adhesive layer 30a. To wear. At that time, each of the five regions divided by the folded portions 16a to 16d of the attachment region 110a corresponds to each of the five side surfaces of the regular hexagonal side surface of the head portion 102a of the bolt 102.
  • the sticking area 110a overlaps the sticking area 110c. It has become something that does not become.
  • the attachment region 110a of the film substrate 110 is wound around the side surface of the head portion 102a of the bolt 102 and attached, so that the attachment region 110a of the film substrate 110 is attached to the side surface of the head portion 102a of the bolt 102. It will be in a state of being pasted along the line.
  • the looseness detection wiring 13 is formed in a loop shape, so that the looseness detection label 101 is in a conductive state. Then, the looseness detection label 101 is attached across the bolt 102 and the base 3 as described above to form a looseness detection structure for detecting looseness of the bolt 102 with respect to the base 3.
  • FIG. 10a shows when the loosening detection label 101 shown in FIGS. 8a and 8b is loosened in the state where the loosening detection label 101 is attached across the bolt 102 and the base 3 as shown in FIGS. 9a and 9b. It is a top view for demonstrating the action of.
  • FIG. 10b is a side view seen from the direction A shown in FIG. 10a.
  • the bolt 102 is attached to FIG. 10a due to external vibration or the like.
  • the attachment area 110c attached to the side surface of the head portion 2a of the bolt 102 and the base 3. Distortion occurs between the attached region 110d and the attached region 110d.
  • the looseness detection label 101 is broken due to the distortion, and the looseness detection wiring 13 is disconnected accordingly, resulting in a non-conducting state. Then, by detecting the non-conducting state of the looseness detection wiring 13, it is detected that the bolt 102 tightened to the base 3 has loosened.
  • the looseness detection wiring 13 is in a conductive state.
  • the looseness detection wiring 13 is in a non-conducting state. Therefore, by detecting the continuity state of the looseness detection wiring 13, it is possible to detect that the bolt 102 is loose. At that time, by detecting that the bolt 102 is loose, the looseness detection label 101 is broken when the bolt 102 tightened to the base 3 is loosened, so that the base 3 can be loosened. Even if the tightened bolt 102 has a small looseness, the looseness can be detected.
  • FIG. 11a is a top view showing a third embodiment of the looseness detection label of the present disclosure.
  • FIG. 11b is a side view seen from the direction A shown in FIG. 11a.
  • the first region is divided into two attachment regions 210a-1,210a-2 with respect to the looseness detection label 1 shown in FIGS. 1a and 1b.
  • the looseness detection label 201 is different in that it is present.
  • the two attachment regions 210a-1,210a-2 each have a strip shape and are connected to the attachment region 10b via the folded portions 215a-1,215a-2.
  • Antennas 212-1,212-2 extending in the longitudinal direction are formed in the attachment regions 210a-1,210a-2, respectively. These antennas 212-1,122-2 are connected to each other via a loop portion 14.
  • the attachment regions 210a-1,210a-2 are provided with folded portions 16a to 16d in the same manner as those shown in FIGS. 1a and 1b.
  • the looseness detection label 201 configured as described above is also used for detecting looseness of the bolt 2 by being attached to the adherend shown in FIGS. 2a and 2b in the same manner as those shown in FIGS. 1a and 1b.
  • the spacer 20 is attached by the adhesive layer 30b so as to overlap the upper surface of the head portion 2a of the bolt 2, and the attachment areas 210a-1,210a-2 of the film substrate 210 are attached to the side surfaces of the spacer 20, respectively. It is wrapped and attached by the adhesive layer 30a.
  • the attachment region 10c of the film substrate 210 is attached by the adhesive layer 30a over the side surface of the spacer 20 and the side surface of the head portion 2a of the bolt 2, and the attachment area 10d of the film substrate 210 is attached to the base 3 It will be attached to the surface of the surface by the adhesive layer 30a.
  • the antennas 212-1,212-2 for non-contact transmission of the conduction state of the looseness detection wiring 13 are provided in the longitudinal direction of the strip-shaped attachment regions 210a-1,210a-2. Each is formed to extend. Therefore, when the looseness detection label 201 is attached across the bolt 2 and the base 3 shown in FIGS. 2a and 2b, the antennas 212-1,122-2 are along the side surface of the head portion 2a of the bolt 2. It will have such a shape. As a result, even when the bolt 2 is small, the length of the antenna 212-1,212-2 can be increased, and it becomes easy to obtain a sufficient communication distance.
  • FIG. 12a is a top view showing a fourth embodiment of the looseness detection label of the present disclosure.
  • FIG. 12b is a side view seen from the direction A shown in FIG. 12a.
  • the first region is divided into two attachment regions 310a-1 and 310a-2 with respect to the looseness detection label 1 shown in FIGS. 1a and 1b.
  • the looseness detection label 301 is different in that it is connected to different sides of the sticking area 310b.
  • the two attachment regions 310a-1 and 310a-2 each have a strip shape, and are connected to different sides of the attachment region 310b via the folded portions 315a-1 and 315a-2.
  • Antennas 312-1, 312-2 extending in the longitudinal direction thereof are formed in the attachment regions 310a-1 and 310a-2, respectively. These antennas 312-1, 312-2 are connected to each other via a loop portion 314.
  • the attachment regions 310a-1 and 310a-2 are provided with folded portions 16a and 16d in regions facing the corners of the side surface of the spacer 20 when the spacer 20 is attached to the side surface.
  • the looseness detection label 301 configured as described above is also used for detecting looseness of the bolt 2 by being attached to the adherend shown in FIGS. 2a and 2b in the same manner as those shown in FIGS. 1a and 1b.
  • the spacer 20 is attached by the adhesive layer 30b so as to overlap the upper surface of the head portion 2a of the bolt 2, and the attachment areas 310a-1 and 310a-2 of the film substrate 310 are attached to the side surfaces of the spacer 20, respectively. It is wrapped and attached by the adhesive layer 30a.
  • the attachment region 10c of the film substrate 310 is attached by the adhesive layer 30a over the side surface of the spacer 20 and the side surface of the head portion 2a of the bolt 2, and the attachment area 10d of the film substrate 310 is attached to the base 3 It will be attached to the surface of the surface by the adhesive layer 30a.
  • the antennas 312-1, 312-2 for non-contact transmission of the conduction state of the looseness detection wiring 13 are provided in the longitudinal direction of the band-shaped attachment regions 310a-1 and 310a-2. Each is formed to extend. Therefore, when the looseness detection label 301 is attached across the bolt 2 and the base 3 shown in FIGS. 2a and 2b, the antennas 312-1, 312-2 are along the side surface of the head portion 2a of the bolt 2. It will have such a shape. As a result, even when the bolt 2 is small, the lengths of the antennas 312-1, 312-2 can be increased, and it becomes easy to obtain a sufficient communication distance.
  • FIG. 13a is a top view showing a fifth embodiment of the looseness detection label of the present disclosure.
  • FIG. 13b is a side view seen from the direction A shown in FIG. 13a.
  • the attachment area 410b is attached to the looseness detection label 1 shown in FIGS. 1a and 1b of the bolt 2 (see FIGS. 2a and 2b). It has a regular hexagonal shape that is the same as the shape of the upper surface, and is different in that it is formed as two antennas 412 in the sticking area 410b in addition to the antenna 12 formed in the sticking area 10a as a communication antenna. Loosening detection label 401.
  • Each of the two antennas 412 formed in the sticking area 410b is formed in an arc shape from the connection point between the loop portion 14 and the antenna 12 along one end side of the sticking area 410b.
  • the looseness detection label 401 is attached to the adherend shown in FIGS. 2a and 2b and used for looseness detection of the bolt 2 in the same manner as those shown in FIGS. 1a and 1b.
  • the sticking area 410b and the spacer 20 are stuck by the adhesive layer 30b so as to overlap the upper surface of the head portion 2a of the bolt 2, and the sticking area 10a of the film substrate 410 is wound around the side surface of the spacer 20. It is attached by the adhesive layer 30a.
  • the attachment area 10c of the film substrate 410 is attached by the adhesive layer 30a over the side surface of the spacer 20 and the side surface of the head portion 2a of the bolt 2, and the attachment area 10d of the film substrate 410 is attached to the base 3 It will be attached to the surface of the surface by the adhesive layer 30a.
  • the looseness detection label 401 of this embodiment is also formed so that the antenna 12 for non-contact transmission of the conduction state of the looseness detection wiring 13 extends in the longitudinal direction of the band-shaped attachment region 10a. Therefore, when the looseness detection label 401 is attached across the bolt 2 and the base 3 shown in FIGS. 2a and 2b, the antenna 12 has a shape along the side surface of the head portion 2a of the bolt 2. It becomes. As a result, even when the bolt 2 is small, the length of the antenna 12 can be increased, and it becomes easy to obtain a sufficient communication distance. Further, in the looseness detection label 401 of the present embodiment, the communication distance can be extended by forming the antenna 412 not only in the sticking area 10a of the film substrate 410 but also in the sticking area 410b.
  • the looseness detection label 401 of this embodiment has a sticking region 410b having a regular hexagonal shape that is the same as the shape of the upper surface of the bolt 2 to be stuck (see FIGS. 2a and 2b).
  • the shape of the landing region 410b is not limited to this, and may be any shape that does not protrude from the upper surface of the bolt 2 to be attached (see FIGS. 2a and 2b).
  • the spacer 20 is attached to the surface of the attachment area 410b opposite to the surface on which the looseness detection wiring 13 is formed, similar to those shown in FIGS. 1a and 1b.
  • the spacer 20 is not provided, as in the case of those shown in FIGS. 8a and 8b.
  • the bolt is attached to a non-metal bolt in the same manner as that shown in FIGS. 8a and 8b.
  • the looseness detection label 401 of the present embodiment has a configuration that does not have the spacer 20 because the attachment region 410b has a regular hexagonal shape that is the same as the shape of the upper surface of the bolt to be attached, as described above.
  • the alignment between the sticking area 410b and the bolt becomes easy.
  • the attachment region 410b does not have a regular hexagonal shape that is the same as the shape of the upper surface of the bolt to be attached, but has a 120 ° corner portion that is one corner of the regular hexagon, it is sufficient. By superimposing the corner portion on one corner portion on the upper surface of the bolt to be attached and attaching the corner portion, the alignment between the attachment area 410b and the bolt becomes easy.
  • the two antennas 412 formed in the attachment region 410b to be attached so as to overlap the upper surface of the head portion 2a of the bolt 2 have been described by taking an arc-shaped antenna as an example.
  • the shape is not limited to the arc shape.
  • the antennas 12, 212-1,122-2, 312-1,312-2 are attached to the attachment regions 10a, 110a, 210a-1,210a-2, 310a-1, 310a. -2 is formed from one end to the other end in the longitudinal direction, and when attached to the bolt 2, it is configured to face two or more side surfaces of the head portion 2a of the bolt 2.
  • the communication antenna formed in the sticking region of the above if it is formed so as to extend in the longitudinal direction of the first sticking region, the head portion 2a of the bolt 2 is 1 when the antenna is stuck to the bolt 2. It may be configured to face only one side surface. In such a configuration, as shown in FIGS.
  • connection point between the loop portion 14 and the antenna 12 is along one end of the sticking area 410b. If the configuration has two antennas 412 formed in an arc shape, it becomes easy to secure a sufficient communication distance.
  • the looseness detection label of the present disclosure is a looseness detection label that detects looseness of a tightening member tightened to a tightening target component via non-contact communication.
  • An adhesive layer is laminated on one surface, and the band-shaped first region to be attached along the side surface of the tightening member and the first region extending in a direction orthogonal to the longitudinal direction of the first region.
  • a second region connected to the first region and adhered so as to face the tightening member from the upper surface to the side surface thereof and the second region connected to the opposite side of the first region.
  • a base base material provided with a third region to be attached to the tightening target part, and A communication antenna formed in the first region of the base base material so as to extend in the longitudinal direction of the first region.
  • Looseness detection wiring formed across the second region and the third region of the base base material, and It is arranged in the second region of the sheet base material in connection with the communication antenna and the looseness detection wiring, detects the conduction state of the looseness detection wiring, and reports the detection result via the communication antenna. It has a detection means for non-contact transmission, The first region has a length that does not overlap the second region when the loosening detection label is attached across the tightening member and the tightening target component.
  • the band-shaped first region of the base base material is attached along the side surface of the tightening member, and the base base material is attached.
  • the two regions are attached so as to face each other from the upper surface to the side surface of the tightening member, and the third region of the base base material is attached to the tightening target component.
  • the looseness detection wiring When the base base material is not distorted, the looseness detection wiring is in a conductive state, but when the base base material is distorted, the base material is broken due to the distortion, and the looseness detection wiring is broken. The wire breaks and becomes non-conducting. Then, the detection means detects the conduction state of the loosening detection wiring, and the detection result is transmitted non-contact via the communication antenna, so that the tightening member tightened to the tightening target component is loosened. Will be detected. At that time, since the communication antenna for non-contact transmission of the conduction state of the looseness detection wiring is formed so as to extend in the longitudinal direction of the band-shaped first region, the communication antenna is formed on the side surface of the tightening member. It will have a shape that conforms to. As a result, it becomes easy to obtain a sufficient communication distance.
  • the tightening member has an outer shape substantially the same as the shape of the upper surface of the tightening member, has a non-conductive member attached to a part of the second region of the base base material by an adhesive layer, and has a length of the first region. If the width in the direction orthogonal to the direction is substantially the same as the thickness of the non-conductive member, even if the tightening member is made of a conductive material, it is possible to avoid shortening the communication distance.
  • a so-called metal-compatible antenna has been put into practical use in order to suppress a decrease in communication distance when attached to a component made of a conductive material.
  • metal-compatible antennas often have a hard structure because the dielectric or metamaterial is composed of a sintered body.
  • the non-conductive member it is possible to avoid shortening the communication distance even if the tightening member is made of a conductive material without using a metal-compatible antenna.
  • the communication antenna may be formed in the second region as well.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

La présente invention comprend : un substrat de film 10 qui comprend une zone d'adhérence en forme de bande 10a adhérant le long de la surface latérale d'un boulon, une zone d'adhérence 10b reliée à la zone d'adhérence 10a et adhérant de la surface supérieure à la surface latérale du boulon, et une zone d'adhérence 10c qui est reliée à la zone d'adhérence 10b et qui adhère à une base ; une antenne 12 formée sur la zone d'adhérence 10a du substrat de film 10 de façon à s'étendre dans la direction longitudinale de celui-ci ; un câblage de détection de relâchement 13 formé à travers les zones d'adhérence 10b, 10c du film 10 ; et une puce à circuit intégré 11 qui détecte un état de conduction du câblage de détection de relâchement 13 et transmet le résultat de détection sans contact par l'intermédiaire de l'antenne 12, la zone d'adhérence 10a ayant une longueur de façon à ne pas chevaucher la zone d'adhérence 10b lorsqu'une étiquette de détection de relâchement 1 adhère à une région à travers le boulon et la base.
PCT/JP2020/010712 2019-03-19 2020-03-12 Étiquette de détection de relâchement et structure de détection de relâchement WO2020189474A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2019051128 2019-03-19
JP2019-051128 2019-03-19
JP2020033383A JP7412220B2 (ja) 2019-03-19 2020-02-28 緩み検知ラベル及び緩み検知構造
JP2020-033383 2020-02-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324325B2 (fr) * 1973-11-27 1978-07-20
JP2007533562A (ja) * 2003-12-12 2007-11-22 クレセンス、フランシス・エム 製品に対する税が支払われているか否かを電子的に判定するための装置
JP2011152932A (ja) * 2010-01-27 2011-08-11 Toppan Printing Co Ltd Ｉｃタグ付容器
US20140184390A1 (en) * 2012-12-28 2014-07-03 Meps Real-Time, Inc. Rfid tag for medication container closure
JP2018529119A (ja) * 2015-09-08 2018-10-04 凸版印刷株式会社 Ｉｃタグ付きシール及びその取り付け方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324325B2 (fr) * 1973-11-27 1978-07-20
JP2007533562A (ja) * 2003-12-12 2007-11-22 クレセンス、フランシス・エム 製品に対する税が支払われているか否かを電子的に判定するための装置
JP2011152932A (ja) * 2010-01-27 2011-08-11 Toppan Printing Co Ltd Ｉｃタグ付容器
US20140184390A1 (en) * 2012-12-28 2014-07-03 Meps Real-Time, Inc. Rfid tag for medication container closure
JP2018529119A (ja) * 2015-09-08 2018-10-04 凸版印刷株式会社 Ｉｃタグ付きシール及びその取り付け方法

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