WO2006025097A1 - エレベータの出入口安全装置 - Google Patents
エレベータの出入口安全装置 Download PDFInfo
- Publication number
- WO2006025097A1 WO2006025097A1 PCT/JP2004/012504 JP2004012504W WO2006025097A1 WO 2006025097 A1 WO2006025097 A1 WO 2006025097A1 JP 2004012504 W JP2004012504 W JP 2004012504W WO 2006025097 A1 WO2006025097 A1 WO 2006025097A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- printed circuit
- elevator
- safety device
- circuit board
- entrance
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/142—Arrangements of planar printed circuit boards in the same plane, e.g. auxiliary printed circuit insert mounted in a main printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10189—Non-printed connector
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/1028—Thin metal strips as connectors or conductors
Definitions
- the present invention relates to an elevator entrance / exit safety device, and more particularly to an elevator entrance / exit safety device provided with a projector that emits infrared light and a light receiver that receives the infrared light.
- FIG. 1 is a cross-sectional view of the elevator doorway
- Fig. 2 is a front view of the car door provided with the elevator doorway safety device from the landing side
- Fig. 3 is a cross-sectional view of the car door and the landing door of Fig. 2.
- FIG. 11 is a longitudinal sectional view of a conventional elevator entrance / exit safety device.
- a pair of car doors 2 and 2a are provided in the car 1, and a pair of landing doors 4 and 4a that can be interlocked with the car doors 2 and 2a are provided in the hall 3. Is provided.
- the conventional safety device provided at the entrance and exit of such an elevator is to detect an obstacle using, for example, infrared rays.
- the tip of one car door 2a, that is, the door It has a projector 5 installed at the end of the contact side and a receiver 6 installed at the tip of the other car door 2, that is, the end of the door-contact side.
- These projector 5 and receiver 6 Is arranged over the entire height of the doorway and detects an obstacle (not shown) interposed between the car doors 2 and 2a.
- the projector 5 of the conventional safety device has an opening 7 that is attached to the back side of the front end of one car door 2a and faces the other car door 2.
- Case 8 transparent plate installed in opening 7, for example acrylic plate 9, printed circuit board 10 built in case 8, and light emitting element mounted on printed circuit board 10 for emitting infrared rays, for example
- it is composed of a diode group 11 and a wiring 12 having one end connected to the diode group 11 through a printed board 10.
- the light receiver 6 is attached to the back side of the tip of the other car door 2 and has a case 14 having an opening 13 facing the one car door 2a, and a transparent plate, for example, an acrylic plate 15 attached to the opening 13.
- a group 17 and a wiring 18 having one end connected to the light receiving element group 17 via a printed circuit board 16 are included.
- the cases 8 and 14 have a height of 2,000 mm, a width of 40 mm, and a thickness of 9 mm.
- infrared rays 19 are irradiated from the diode group 11 of the projector 5 through the acrylic plate 9 toward the light receiver 6. After 19 crosses the gap between the tips of the car doors 2 and 2a, the light passes through the acrylic plate 15 and is received by the light receiving element group 17 of the light receiver 6. When the infrared ray 19 is blocked by some obstacle, at least a part of the light receiving element group 17 is not detected by the infrared ray, and accordingly, a detection signal indicating that there is an obstacle is output.
- the printed circuit board 10 on which the diode group 11 of the projector 5 is mounted and the light receiving element group 17 of the light receiver 6 are mounted. Since the printed circuit board 16 is a single piece having a length dimension L, for example, it is not possible to cope with an elevator having an entrance / exit height dimension lower than 2,000 mm, and the printed circuit boards 10 and 16 should be manufactured appropriately. This has led to an increase in design and production costs.
- the printed circuit board on which the light emitting elements, that is, the diode groups 11 are arranged is arranged along the vertical direction of the elevator entrance / exit.
- the printed circuit board on which the light receiving element group 17 is arranged is divided into printed circuit boards 16a-16e along the vertical direction of the elevator doorway, and these printed circuit boards 10a-10e and printed circuit boards 16a- A configuration has been proposed in which 16e is electrically connected to each other by a connector 50 and disposed over the entire height of the entrance / exit (see, for example, Patent Document 1).
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-118927
- the printed circuit boards 10a-10e and the printed circuit boards 16a-16e are electrically connected only by the connector 50, respectively. Therefore, stress is applied to the soldered part of the connector due to the expansion and contraction of the connector part due to temperature fluctuations and the vibration received during the opening and closing operation of the door. There was a problem that the data could come off. In addition, since the signal ground is transmitted only by the connector, there is a problem that the printed circuit board is easily affected by noise.
- the present invention has been made to solve the above-described problems.
- By connecting a plurality of printed boards with metal pieces the influence of expansion and contraction due to temperature fluctuations and vibration caused by opening and closing of a door is achieved.
- the purpose is to provide an elevator entrance / exit safety device that will not be subject to traffic.
- An elevator entrance / exit safety device includes a projector that irradiates infrared light over the entire height of the entrance / exit with an elevator door having a car door and a landing door, and a light receiving device that receives infrared light at a position opposite to the projector.
- the projector includes a printed circuit board and a plurality of light emitting elements arranged on the printed circuit board
- the light receiver includes a printed circuit board and a plurality of light receiving elements arranged on the printed circuit board.
- the printed circuit board on which the optical element and the light receiving element are arranged is divided into a plurality along the vertical direction of the entrance and exit, and these printed boards are connected to each other and arranged over the entire height of the entrance and exit.
- a connector that electrically connects printed circuit boards, and a connector and printed circuit board for mechanical connection between printed circuit boards It is obtained by a metallic piece provided between the plates.
- the signal ground and the metal piece are electrically connected through the through hole provided in the printed board divided into a plurality, the signal ground provided in the bottom of the printed board, and the through hole. Is.
- the connector is a flexible connector, which is disposed at a position where it does not contact the metal piece.
- the metal pieces are each fixed to a printed circuit board adjacent to each other by solder.
- the metal piece is provided with a gripping projection at the end.
- the printed circuit boards can be firmly fixed by the metal pieces, so that the lateral displacement caused by expansion / contraction or vibration generated between the printed circuit boards can be prevented. And, since excessive stress is not applied to the connector, the connector will not come off. Therefore, it is possible to ensure the reliability of connection between printed circuit boards over a long period of time.
- FIG. 1 is a cross-sectional view of an elevator doorway.
- FIG. 2 is a front view of the power door provided with the elevator entrance / exit safety device as seen from the landing side.
- FIG. 3 is a cross-sectional view of the car door and landing door of FIG.
- FIG. 4 is a front view showing a schematic configuration of an elevator entrance / exit safety device according to Embodiment 1 of the present invention.
- FIG. 5 is a side view of the printed circuit board connecting portion of the elevator entrance / exit safety device according to the first embodiment of the present invention as viewed from the side.
- FIG. 6 is a side view of the printed board connecting portion of the elevator entrance / exit safety device according to Embodiment 2 of the present invention as seen from the side.
- FIG. 7 is a plan view of a printed circuit board connecting portion of an elevator entrance / exit safety device according to Embodiment 3 of the present invention as viewed from above.
- FIG. 8 is a side view of the printed board connecting portion of the elevator entrance / exit safety device according to Embodiment 3 of the present invention as seen from the side.
- FIG. 9 is a view of metal pieces used in the elevator entrance / exit safety device according to Embodiment 3 of the present invention as viewed from three directions.
- FIG. 10 is a side view of a state where a metal piece used for an elevator entrance / exit safety device according to Embodiment 3 of the present invention is gripped by tweezers.
- FIG. 11 is a longitudinal sectional view of a conventional elevator entrance / exit safety device.
- FIG. 12 is a longitudinal sectional view showing a different example of the conventional elevator entrance / exit safety device.
- FIG. 1 is a cross-sectional view of the elevator doorway
- Fig. 2 is a front view of the car door with an elevator doorway safety device as seen from the landing side
- Fig. 3 is a cross-sectional view of the car door and the landing door of Fig. 2.
- FIG. 4 is a front view showing a schematic configuration of the elevator entrance / exit safety device in Embodiment 1 of the present invention
- FIG. 5 is a side view of the printed circuit board connection portion of the elevator entrance / exit safety device in Embodiment 1 of the present invention.
- FIG. 4 is a front view showing a schematic configuration of the elevator entrance / exit safety device in Embodiment 1 of the present invention
- FIG. 5 is a side view of the printed circuit board connection portion of the elevator entrance / exit safety device in Embodiment 1 of the present invention.
- a pair of car doors 2 and 2a are provided in the car 1, and a pair of landing doors 4 and 4a that can be interlocked with the car doors 2 and 2a are provided in the hall 3. Is provided.
- a safety device provided at the entrance of such an elevator is, for example, An obstacle is detected using infrared rays.
- the projector 5 is installed at the tip of one car door 2a, that is, the end of the door, and the tip of the other car door 2, that is, the end of the door.
- the projector 5 and the receiver 6 are disposed over the entire height of the entrance and exit, and detect obstacles (not shown) interposed between the car doors 2 and 2a. It is like that.
- the projector 5 of the safety device is attached to the back side of the front end of one car door 2a and has a case 8 having an opening 7 facing the other car door 2.
- a transparent plate attached to the opening 7 such as an acrylic plate 9, a printed circuit board 10 built in the case 8, and a light emitting element that is mounted on the printed circuit board 10 and emits infrared light, such as a diode group 11
- the diode group 11 is connected to a wiring 12 having one end connected via a printed circuit board 10.
- the light receiver 6 is attached to the back surface of the tip of the other car door 2 and has a case 14 having an opening 13 facing the one car door 2a, and is attached to the opening 13.
- a transparent plate for example, an acrylic plate 15, a printed circuit board 16 built in the case 14, a light receiving element group 17 mounted on the printed circuit board 16 and facing the diode group 11, and a printed circuit board 16 in the light receiving element group 17 It consists of wiring 18 connected at one end via
- the cases 8 and 14 have a height of 2,000 mm, a width of 40 mm, and a thickness of 9 mm.
- infrared rays 19 are irradiated from the diode group 11 of the projector 5 toward the light receiver 6 through the acrylic plate 9, and the infrared rays 19 are emitted from the car doors 2 and 2 a. After crossing the gaps at the respective tips, the light passes through the acrylic plate 15 and is received by the light receiving element group 17 of the light receiver 6. When the infrared ray 19 is blocked by some obstacle, at least a part of the light receiving element group 17 is not detected by the infrared ray, and accordingly, a detection signal indicating that there is an obstacle is output.
- the elevator entrance / exit safety device is characterized in that a light-emitting element, that is, a printed circuit board on which each of the diode groups 11a-1 In is mounted, is arranged vertically in the elevator entrance / exit.
- the printed circuit board on which the light receiving element groups 17a to 17 ⁇ are mounted is divided into a plurality of printed circuit boards 16a and 16b along the vertical direction of the elevator doorway.
- These adjacent printed circuit boards 10a and 10b are electrically connected to each other via a connector 50, and adjacent printed circuit boards 16a and 16b are electrically connected to each other via a connector 50.
- the adjacent printed circuit boards 10a and 10b are mechanically firmly connected and fixed by solder or screws or the like through the metal piece 20 provided between them, and the adjacent printed circuit boards 16a and 16b are It is mechanically and firmly connected and fixed by solder or screws through a metal piece 30 provided between the two.
- the printed circuit boards can be firmly fixed with metal pieces, so that excessive stress is applied to the connector against lateral displacement caused by expansion and contraction or vibration occurring between the printed circuit boards. Because it does not add, the connector will not come off. Therefore, it is possible to ensure the reliability of connection between printed circuit boards over a long period of time.
- FIG. 6 is a side view of the printed circuit board connection portion of the elevator entrance / exit safety device according to the second embodiment of the present invention as seen from the side.
- Adjacent printed boards 10a and 10b are electrically connected to each other via a connector 50. Adjacent print boards 10a and 10b are mechanically and firmly connected and fixed by solder or screws or the like through a metal piece 20 provided between them. A signal ground 25a is formed below the printed board 10a, and a signal ground 25b is formed below the printed board 10b. Further, the printed board 10a has a through hole 26a for connecting the metal piece 20 and the signal ground 25a formed at the lower part of the printed board 10a. The printed board 10b has the connecting metal piece 20 and the printed board 10a. A through hole 26b for connecting to a signal ground 25b formed at the lower part of the substrate 10b is formed.
- connection part of the printed boards 16a and 16b is configured in exactly the same way as in the printed boards 10a and 10b.
- the printed circuit boards are firmly fixed by the metal pieces, and the lower part of the printed circuit board is formed by the bare signal ground. Compared to signal ground transmission, it is more resistant to noise and can be a device.
- Example 3
- FIG. 7 is a plan view of the printed circuit board connecting portion of the elevator entrance / exit safety device according to Embodiment 3 of the present invention as seen from above, and Fig. 8 is a print of the elevator entrance / exit safety device according to Embodiment 3 of the present invention.
- FIG. 9 is a side view of the board connecting portion viewed from the side, FIG. 9 is a view of metal pieces used in the elevator entrance / exit safety device according to Embodiment 3 of the present invention from three directions, and FIG. It is the figure which looked at the state which grasped the metal piece used for the doorway entrance / exit safety device with tweezers from the side.
- Adjacent print boards 1 Oa and 1 Ob are electrically connected to each other via a flexible connector 51.
- Adjacent printed circuit boards 10a and 10b are mechanically and firmly connected and fixed by solder 21 through metal pieces 20 provided between the two printed circuit boards 10a and 10b.
- the flexible connector 51 connects the signals of the printed circuit board 10a and the printed circuit board 10b to each other while avoiding the metal piece 20.
- the flexible connector 51 and the metal piece 20 are arranged so as not to contact each other. Therefore, the printed circuit board 10a, the printed circuit board 10b, and the flexible connector 51 are integrated by the metal piece 20.
- the metal piece 20 is a brass flat plate having a thickness of about 0.2 mm. It has a protrusion 20a.
- the metal piece 20 made of brass is selected as a metal that is hard and hardly deteriorates due to metal fatigue.
- connection parts of the printed circuit boards 16a and 16b and the metal piece 30 are configured in exactly the same way as the connection parts and the metal piece 20 of the printed circuit boards 10a and 10b.
- the metal piece 20 is arranged independently of the flexible connector 51. Therefore, the load applied to the flexible connector 51 with respect to the impact and vibration applied to the printed circuit boards 10a and 10b. Can be reduced. Therefore, since no external load is generated at the connection portion between the printed circuit board 10a or 10b and the flexible connector 51, it is possible to prevent damage S. Furthermore, since the solder 21 is used for joining the printed circuit boards 10a and 10b and the metal piece 20, the metal piece 20 has a thickness with good thermal conductivity and a size that can ensure strength.
- the elevator doorway entrance / exit safety device connects a plurality of printed boards with metal pieces so that they are not affected by expansion and contraction due to temperature fluctuations and vibrations caused by opening and closing of doors. Reliability can be ensured over a wide range.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/012504 WO2006025097A1 (ja) | 2004-08-30 | 2004-08-30 | エレベータの出入口安全装置 |
| JP2006531205A JP4627757B2 (ja) | 2004-08-30 | 2004-08-30 | エレベータの出入口安全装置 |
| CNA2004800258770A CN1849259A (zh) | 2004-08-30 | 2004-08-30 | 电梯的出入口安全装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/012504 WO2006025097A1 (ja) | 2004-08-30 | 2004-08-30 | エレベータの出入口安全装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006025097A1 true WO2006025097A1 (ja) | 2006-03-09 |
Family
ID=35999761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/012504 Ceased WO2006025097A1 (ja) | 2004-08-30 | 2004-08-30 | エレベータの出入口安全装置 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4627757B2 (ja) |
| CN (1) | CN1849259A (ja) |
| WO (1) | WO2006025097A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781309A (zh) * | 2015-12-24 | 2016-07-20 | 宁波金邦达智能售货设备有限公司 | 圆弧形门的防夹伤光幕装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0288269U (ja) * | 1988-12-27 | 1990-07-12 | ||
| JPH10208791A (ja) * | 1997-01-21 | 1998-08-07 | Canon Inc | 筐体内部のフレームグラウンド間接続方法 |
| JP2000118927A (ja) * | 1998-10-19 | 2000-04-25 | Hitachi Building Systems Co Ltd | エレベータ出入口の安全装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01169065U (ja) * | 1988-05-18 | 1989-11-29 | ||
| JPH069066U (ja) * | 1992-07-07 | 1994-02-04 | セイコーエプソン株式会社 | スペーサ |
| JPH09119414A (ja) * | 1995-10-27 | 1997-05-06 | Matsushita Electric Ind Co Ltd | プリント基板接続補強用固定具 |
-
2004
- 2004-08-30 CN CNA2004800258770A patent/CN1849259A/zh active Pending
- 2004-08-30 WO PCT/JP2004/012504 patent/WO2006025097A1/ja not_active Ceased
- 2004-08-30 JP JP2006531205A patent/JP4627757B2/ja not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0288269U (ja) * | 1988-12-27 | 1990-07-12 | ||
| JPH10208791A (ja) * | 1997-01-21 | 1998-08-07 | Canon Inc | 筐体内部のフレームグラウンド間接続方法 |
| JP2000118927A (ja) * | 1998-10-19 | 2000-04-25 | Hitachi Building Systems Co Ltd | エレベータ出入口の安全装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4627757B2 (ja) | 2011-02-09 |
| CN1849259A (zh) | 2006-10-18 |
| JPWO2006025097A1 (ja) | 2008-05-08 |
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