EP2336071A1 - Bedienfeld mit Druckschaltern zur Steuerung elektrischer Anlagen - Google Patents
Bedienfeld mit Druckschaltern zur Steuerung elektrischer Anlagen Download PDFInfo
- Publication number
- EP2336071A1 EP2336071A1 EP10015771A EP10015771A EP2336071A1 EP 2336071 A1 EP2336071 A1 EP 2336071A1 EP 10015771 A EP10015771 A EP 10015771A EP 10015771 A EP10015771 A EP 10015771A EP 2336071 A1 EP2336071 A1 EP 2336071A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cover
- box
- push button
- push
- upper wall
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 10
- 238000007689 inspection Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- 101100325961 Arabidopsis thaliana BHLH79 gene Proteins 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
Definitions
- the present invention generally finds application in the field of electric devices for controlling people and/or material transportation and handling plants and particularly relates to a control push-button station for plants, particularly for controlling and handling elevators during maintenance and inspection of the hoistway.
- Multi-control push-button stations for controlling and handling civil or industrial plants, such as elevators, hoists, cranes, bridge cranes, and the like, comprise a box-like enclosure containing a plurality of electric contacts for connecting the push-button station to the power and service circuits of the plant.
- the push-button station is also equipped with a plurality of switches or controls connected to as many electric contacts for controlling the movements of the plant or switching from one operating state thereof to another.
- Certain particular push-button stations are equipped with an emergency button, generally of the mushroom or push-pull type, for immediately cutting off power to the plant or a part thereof, to set it to a safe state.
- a first drawback of these prior art push-button stations is that they have no adequate protection from the weather or the dirt that is typically found in their operating environments, such as building sites and hoistways.
- One example of this application is a push-button station located at the bottom of a hoistway, which has to be hermetically sealed.
- elevator plants are known, for instance from JP 2006-036405 , in which the control panel can slide in the hoistway and be inserted into a hermetically sealed outer enclosure.
- the push-button stations that are used for hoistway inspection or car maintenance which are generally mounted to the car itself or at the bottom of the pit are often inappropriately used by operators as footboards to reach higher positions or are inadvertently trampled during normal maintenance.
- JP 2003-238053 and US 7568557 B2 disclose elevator cars having a normally closed compartment in the roof, which can be opened from the outside during maintenance, and with the push-button station and the control panel held therein.
- the object of the present invention is to overcome the above drawbacks, by providing a control push-button station for plants, particularly elevators or the like, that can be manufactured in a simple and relatively inexpensive manner.
- a particular object is to provide a control push-button station for plants that ensures protection of the push-buttons and other control elements, both against the weather and dirt and against careless use by an operator.
- a further particular object is to provide a hermetically sealed push-button station, that allows operation on the plant even in the presence of water.
- Yet another object of the present invention is to provide a control push-button station for plants that has a particular pleasant appearance for applications designed to be exposed to the view.
- a control push-button station for plants as defined in claim 1 which comprises a box-like body adapted to be associated with a fixed or movable part of a plant to be controlled and houses thereinside a plurality of fixed and/or movable electric contacts for one or more power and/or service circuits of the plant, said box-like body having a side wall upperly closed by an upper wall, an emergency button located on said upper wall and electrically connected to at least one first pair of said electric contacts for at least partially opening/closing the power circuit of the plant, at least one electric device located on said upper wall of said box-like body and electrically connected to at least one second pair of said electric contacts for its connection with a corresponding power and/or service circuit and control thereof.
- the push-button station is characterized by comprising a protection cover, which is adapted to be movably associated with said box-like body for moving between an open position in which said at least one electric device is accessible to an operator and a closed position wherein said at least one electric device is not accessible to the operator.
- the cover is also configured to allow said emergency button to be always accessible both in said open position and in said closed position.
- the one or more electric devices therein such as switches, circuit breakers, electric controls or power outlets, will be constantly protected from the weather and dirt.
- the push-button station has increased efficiency and reliability, is readily usable and has lower maintenance requirements.
- the cover may be hinged to the box-like body about an axis of rotation that is either substantially parallel and transversely offset to a longitudinal direction of extension of the box-like body, or substantially orthogonal to said longitudinal direction.
- the configuration of the push-button station may be selected according to each particular application and the environment it is designed for, while always ensuring all the above advantages.
- hermetically sealing means are provided, which are associated with the box-like body and/or the cover to protect the electric devices from contact with liquids, when the cover is in said closed position.
- the push-button station may be used in particularly moist places, and in flooding conditions, with the same function being preserved.
- the hermetically sealing means may be also designed to configure a push-button station with IP67 protection according to the UNI EN 60529 standard, to comply with the requirements of standards EN81/72 and EN81/74 for firefighters' and high passenger traffic elevators.
- the push-button station of the invention may be mounted to the car C of an elevator plant, preferably to its exterior, for control and handling thereof, during inspection or maintenance of the car C and/or the hoistway H.
- the push-button station 1 may be also located at the bottom of the pit P of the hoistway H for usual inspection and/or maintenance of the hoistway H itself.
- the push-button 1 may be used in combination with any kind of handling or transport plant such as, without limitation, hoists, escalators or corridors, cranes, bridge cranes and the like, in a manner that is known to the skilled person and will not be described in further detail herein.
- a push button station 1 of the invention comprises a box-like body 2 adapted to be attached to a fixed or movable part of the plant to be served, and housing therein a plurality of fixed and/or movable electric contacts, not shown and known per se.
- the types and numbers of electric contacts may be selected according to the configuration of the plant to be served, as is obvious to the skilled person.
- the box-like body 2 has a substantially prismatic side wall 3, upperly closed by a substantially flat upper wall 4.
- the side wall 3 may have one or more removable portions 5 to allow connection of the electric contacts to one or more power and/or service circuits of the plant, also not shown.
- An emergency button 6 is located on the upper wall 4 of the box-like body 2 and is electrically connected to at least one first pair of electric contacts, which are adapted to connect it to the power circuit of the plant for cutting off/turning on the latter or a part thereof.
- the emergency button 6 in the figure is of the mushroom type, with a fixed cylindrical lower portion 6' and a movable upper portion 6".
- the button 6 can be triggered and/or reset either by pushing and pulling the movable portion 6" or through a rotational and translational motion thereof.
- emergency button 6 which is shown by way of example and without limitation, may be replaced by any other type of emergency button compatible with the application for which the push-button station 1 is designed.
- the emergency button 6 can cause cutoff of either the entire plant or a part thereof, such as the elevator car C, with one or more emergency and/or service circuits being left on.
- Further electric devices may be also located on the upper wall 4 of the box-like body 2, and be electrically connected in a known manner to corresponding pairs of electric contacts, for connection to corresponding power and/or service circuits of the plant for control or monitoring thereof.
- the configurations of the figures show a selector 7, which is designed to switch the plant between normal operation and inspection operation, a pair of buttons 8, 9 for controlling the up and down movement of the car C and a multipurpose button 10, having two or three purposes, for managing the signaling circuits.
- An outlet 11 is also provided for possible connection and power supply to an additional external electric device, not shown, such as a service lamp or an electrical tool, to provide the plant maintenance or inspection operator with a voltage source near the operating area.
- an additional external electric device not shown, such as a service lamp or an electrical tool, to provide the plant maintenance or inspection operator with a voltage source near the operating area.
- the box-like body 2 is also equipped with a protective cover 12, which is adapted to be associated in a fixed or removable manner to its side wall 3, and is anyway movable between an open position, as shown in Fig. 2 , in which the electric devices 7, 8, 9, 10, 11 are accessible from the outside, and a closed position, as shown in Figs. 3 to 6 , in which the electric devices 7, 8, 9, 10, 11 are protected and inaccessible from the outside.
- a protective cover 12 which is adapted to be associated in a fixed or removable manner to its side wall 3, and is anyway movable between an open position, as shown in Fig. 2 , in which the electric devices 7, 8, 9, 10, 11 are accessible from the outside, and a closed position, as shown in Figs. 3 to 6 , in which the electric devices 7, 8, 9, 10, 11 are protected and inaccessible from the outside.
- the cover 12 is also configured to allow the emergency button 6 to be always accessible both when the cover 12 is in the open position and when it is in the closed position.
- the cover 12 is hinged to the side wall 3 along a predetermined axis of rotation R.
- the box-like body 2 substantially extends in a direction of longitudinal extension L to a predetermined length I.
- the axis of rotation R of the cover 12 is substantially parallel and transversely offset to the longitudinal direction L of extension of the box-like body 2.
- the cover 12 will preferably have a longitudinal extension e substantially coincident with the predetermined length I of the box-like body 2 or its upper wall 4.
- the cover 12 may be placed in other positions, for instance hinged along an axis of rotation substantially orthogonal to the longitudinal direction L of the box-like body 2, although this is not shown.
- box-like body 2 which is shown with a substantially rectangular shape, may also have a different shape, e.g. a square or polygonal shape, without limitation to the scope of the present invention.
- the emergency button 6 may be located at either the center or the periphery of the upper wall 4.
- the button 6 is in a substantially central area 13 and the cover 12 has a pair of longitudinal closure portions 14, 15, offset along the longitudinal axis of extension L.
- the cover defines a central opening 16 that, with the cover 12 closed, is designed to overlap the central area 13 with the emergency button 6, and to coincide therewith.
- the height h of the cover 12 is smaller than the height h', h" of the emergency button 6 in the off state of Fig. 4 and the on state of Fig. 5 respectively.
- the longitudinal portions 14, 15 of the cover 12 have corresponding mutually facing and longitudinally offset transverse walls 17, 18, which delimit the opening 16 for access to the emergency button 6 with the cover 12 in the closed position.
- the two longitudinal portions 14, 15 may be completely separated and independently hinged along a common axis R, to allow selective access to part of the electric devices 7, 8, 9, 10, 11.
- the mutually facing and substantially parallel transverse walls 17, 18 are joined by at least one longitudinal lateral rib 19 to define, with the cover 12 in the closed position, a closed or open protective cage 20 for the emergency button 6.
- the lateral rib 19 has a concave upper surface 21, for easier grasp of the emergency button 6 by an operator even with the cover 12 in the closed position.
- the inner lateral surface 22 will also be substantially concave, with a radius of curvature r substantially coincident with the maximum radius r MAX of the emergency button 6, to surround at least part of its periphery, e.g. half of its circumference.
- the push-button station 1 is also equipped with an annular protection member 23, which is integral with the upper wall 4 of the box-like body 2 and is located at the periphery of the emergency button 6.
- the protection member 23 may have such a peripheral extension as to surround the emergency button 6 it its entirety or in part, like in the illustrated embodiment.
- its maximum height h'" is preferably smaller than the maximum height of the longitudinal rib 19 and is preferably substantially equal to the minimum height thereof, i.e. its height at the lowest point of its upper concave surface 21.
- the annular member 23 will at least partially protect the emergency button 6, even with the cover 12 in the open position, without limiting the operation thereof.
- the cover 12 will have snap closure means for locking it to the side wall 3 or the upper wall 4 of the box-like body 2.
- these means may include a pair of hook-like elements 25, 26 integral with corresponding longitudinal portions 14, 15 of the cover 12 and designed to be introduced and snap locked into corresponding slots, referenced 27 and 28 respectively, formed in the box-like body 2. This will prevent both accidental opening of the cover 12 when the push-button station 1 is not used and undesired opening thereof during use of the plant, due to normal vibrations.
- the snap closure means may be of the reversible type to allow the cover 12 to be hinged both to the right and to the left of the emergency button 6.
- the side wall 3 may have two pairs of holes, generally designated 29, for each of its substantially parallel and transversely opposite longitudinal sides 31, 31', for receiving fastening members, not shown, such as screws or the like, for movable attachment of the cover 12.
- These sides 31, 31' also have two pairs of slots, the left-side slots 27, 28 being only visible in the figures, for selectively receiving and locking the hook-like elements 25, 26 of the cover.
- cover 12 and/or the box-like body 2 may comprise hermetic sealing means, such as a seal, not shown, which are stably or removably associated with the free edge 30 of the cover 12 that is designed to abut against the body 2, to protect the devices 7, 8, 9, 10, 11 from accidental contact with liquids, with the cover 12 in the closed position.
- hermetic sealing means such as a seal, not shown, which are stably or removably associated with the free edge 30 of the cover 12 that is designed to abut against the body 2, to protect the devices 7, 8, 9, 10, 11 from accidental contact with liquids, with the cover 12 in the closed position.
- the cover 12 is adapted to slide along the side wall 3 above the upper wall 4, to move from its open position, as shown in Fig. 7 , to its closed position, as shown in Fig. 8 , or vice versa.
- the cover 12 may slide along a substantially longitudinal sliding direction X, but it may also slide along a direction transverse to the longitudinal direction L of the box-like body 2, although this is not shown.
- the cover 12 may consist of two independently sliding portions, e.g. in opposite senses along a longitudinal or transverse sliding direction.
- the electric devices 7, 8, 9, 10, 11 may be of substantially the same type as those of the push-button station 1 of the first configuration as described above.
- the emergency button 6 is located in a peripheral area of the upper wall 4 and is protected by an annular member 23 that surrounds at least part of its periphery in both open and closed positions of the cover 12, while always ensuring its accessibility.
- the push-button station of the invention fulfills the intended objects and particularly meets the requirement of ensuring constant protection of its most sensitive components against the weather, infiltrations of liquids and negligent use.
- the push-button station 1 Due to the presence of a movably attached cover 12 and its particular configuration, the most sensitive components will be always protected and the push-button station 1 will have, in its closed position, a particularly attractive appearance, which will make its use preferable in applications exposed to the view, such as in hoistways with glass walls.
- the push-button station of this invention is susceptible to a number of changes and variants, within the inventive concept disclosed in the appended claims. All the details thereof may be replaced by other technically equivalent parts, and the materials may vary depending on different needs, without departure from the scope of the invention.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITVI2009A000301A IT1395791B1 (it) | 2009-12-21 | 2009-12-21 | Pulsantiera per il comando di impianti |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2336071A1 true EP2336071A1 (de) | 2011-06-22 |
EP2336071B1 EP2336071B1 (de) | 2012-08-22 |
Family
ID=42358084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20100015771 Active EP2336071B1 (de) | 2009-12-21 | 2010-12-17 | Bedienfeld mit Druckschaltern zur Steuerung elektrischer Anlagen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2336071B1 (de) |
IT (1) | IT1395791B1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016207706A1 (en) * | 2015-06-23 | 2016-12-29 | Giovenzana International B.V. | Safety system for maintenance of a lift or elevator |
DE102016102668A1 (de) * | 2016-02-16 | 2017-08-17 | W + W Aufzugkomponenten Gmbh U. Co. Kg | Einrichtung für eine Aufzugsanlage, die eine im Aufzugsschacht anbringbare Inspektionssteuereinrichtung aufweist |
DE102016205892A1 (de) * | 2016-04-08 | 2017-10-12 | Thyssenkrupp Ag | Inspektionssteuerung für Aufzugsanlagen |
DE102016114802A1 (de) * | 2016-08-10 | 2018-02-15 | Eaton Electrical Ip Gmbh & Co. Kg | Schutzabdeckung |
IT201900002223A1 (it) * | 2019-02-15 | 2020-08-15 | Giovenzana Int B V | Pulsantiera per operare la manutenzione di un ascensore con organo di illuminazione incorporato |
WO2022190239A1 (ja) * | 2021-03-10 | 2022-09-15 | 株式会社日立製作所 | エレベーターシステム |
US11858777B2 (en) | 2022-06-03 | 2024-01-02 | Otis Elevator Company | Elevator car with moving electrical box |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6487481A (en) * | 1987-09-28 | 1989-03-31 | Mitsubishi Electric Corp | Rescue operating device for elevator |
US5762003A (en) | 1997-02-24 | 1998-06-09 | Buckeye Steel Castings Company | Railroad hopper car underframe transition casting |
US6302240B1 (en) * | 2000-06-19 | 2001-10-16 | Kuei-Tang Shih | Auxiliary safety lift device for the cab of an elevator |
US20030010576A1 (en) * | 2001-07-10 | 2003-01-16 | Malone Thomas F. | Top of car inspection station with alarm |
JP2003238053A (ja) | 2002-02-18 | 2003-08-27 | Toshiba Elevator Co Ltd | エレベータの乗りかご |
JP2006036405A (ja) | 2004-07-23 | 2006-02-09 | Hitachi Ltd | エレベーター装置 |
EP1967477A1 (de) * | 2007-03-09 | 2008-09-10 | Inventio Ag | Notfallvorrichtung zum Einbau in eine Aufzugskabine einer Aufzugsanlage |
US7568557B2 (en) | 2003-07-03 | 2009-08-04 | Inventio Ag | Elevator car with car electrical system integrated in the car roof and method of mounting an elevator installation |
-
2009
- 2009-12-21 IT ITVI2009A000301A patent/IT1395791B1/it active
-
2010
- 2010-12-17 EP EP20100015771 patent/EP2336071B1/de active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6487481A (en) * | 1987-09-28 | 1989-03-31 | Mitsubishi Electric Corp | Rescue operating device for elevator |
US5762003A (en) | 1997-02-24 | 1998-06-09 | Buckeye Steel Castings Company | Railroad hopper car underframe transition casting |
US6302240B1 (en) * | 2000-06-19 | 2001-10-16 | Kuei-Tang Shih | Auxiliary safety lift device for the cab of an elevator |
US20030010576A1 (en) * | 2001-07-10 | 2003-01-16 | Malone Thomas F. | Top of car inspection station with alarm |
JP2003238053A (ja) | 2002-02-18 | 2003-08-27 | Toshiba Elevator Co Ltd | エレベータの乗りかご |
US7568557B2 (en) | 2003-07-03 | 2009-08-04 | Inventio Ag | Elevator car with car electrical system integrated in the car roof and method of mounting an elevator installation |
JP2006036405A (ja) | 2004-07-23 | 2006-02-09 | Hitachi Ltd | エレベーター装置 |
EP1967477A1 (de) * | 2007-03-09 | 2008-09-10 | Inventio Ag | Notfallvorrichtung zum Einbau in eine Aufzugskabine einer Aufzugsanlage |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016207706A1 (en) * | 2015-06-23 | 2016-12-29 | Giovenzana International B.V. | Safety system for maintenance of a lift or elevator |
CN107820482A (zh) * | 2015-06-23 | 2018-03-20 | 纪文查那公司 | 用于电梯或升降机维护的安全系统 |
CN107820482B (zh) * | 2015-06-23 | 2020-07-31 | 纪文查那公司 | 用于电梯或升降机维护的安全系统 |
DE102016102668A1 (de) * | 2016-02-16 | 2017-08-17 | W + W Aufzugkomponenten Gmbh U. Co. Kg | Einrichtung für eine Aufzugsanlage, die eine im Aufzugsschacht anbringbare Inspektionssteuereinrichtung aufweist |
DE102016102668B4 (de) * | 2016-02-16 | 2017-09-28 | W + W Aufzugkomponenten Gmbh U. Co. Kg | Einrichtung für eine Aufzugsanlage, die eine im Aufzugsschacht anbringbare Inspektionssteuereinrichtung aufweist |
DE102016205892A1 (de) * | 2016-04-08 | 2017-10-12 | Thyssenkrupp Ag | Inspektionssteuerung für Aufzugsanlagen |
DE102016114802A1 (de) * | 2016-08-10 | 2018-02-15 | Eaton Electrical Ip Gmbh & Co. Kg | Schutzabdeckung |
IT201900002223A1 (it) * | 2019-02-15 | 2020-08-15 | Giovenzana Int B V | Pulsantiera per operare la manutenzione di un ascensore con organo di illuminazione incorporato |
EP3696128A1 (de) | 2019-02-15 | 2020-08-19 | Giovenzana International B.V. | Steuertastentafel zur wartung eines aufzugs, komplett mit einem eingebauten beleuchtungselement |
WO2022190239A1 (ja) * | 2021-03-10 | 2022-09-15 | 株式会社日立製作所 | エレベーターシステム |
US11858777B2 (en) | 2022-06-03 | 2024-01-02 | Otis Elevator Company | Elevator car with moving electrical box |
Also Published As
Publication number | Publication date |
---|---|
EP2336071B1 (de) | 2012-08-22 |
ITVI20090301A1 (it) | 2011-06-22 |
IT1395791B1 (it) | 2012-10-19 |
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