WO2007071495A1 - Befehlsgerät mit schaltelementüberwachung - Google Patents
Befehlsgerät mit schaltelementüberwachung Download PDFInfo
- Publication number
- WO2007071495A1 WO2007071495A1 PCT/EP2006/068209 EP2006068209W WO2007071495A1 WO 2007071495 A1 WO2007071495 A1 WO 2007071495A1 EP 2006068209 W EP2006068209 W EP 2006068209W WO 2007071495 A1 WO2007071495 A1 WO 2007071495A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- installation unit
- unit according
- actuator
- switching element
- contact
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
Definitions
- the invention relates to an electrical installation unit for contacting electrical consumers, wherein the installation unit has at least two contact elements .
- Such an installation unit is used in machinery or electrical equipment operated by command devices such as pushbuttons, selector switches, etc. acting on the controller. These command devices are mounted in control panels, control panels, control cabinet doors or enclosure covers.
- Command devices are usually modular; that is, they consist of an actuator, a fastening part (for example, ring nut or mounting ⁇ holder) and one or more switching elements, which are designed as NC or NO contacts.
- the actuator is inserted into the rule from the front through a hole in the circuit board and mounted from the rear by means of a buildin ⁇ actuating piece.
- the switching elements are mechanically connected with screw ⁇ ben, snap hook or latch with the actuator or the attachment part.
- the electrical connection of the switching elements with the control system takes place via the connection terminals.
- switching elements be ⁇ known that try to prevent or at least to detect the errors described above.
- These switching elements include a normally closed and a normally open contact. In the unactuated state, the normally closed contact is closed and the normally open contact is open.
- the switching element slide is designed so that, when the switching elements are properly fastened to the actuator, the slide is actuated so far that the make contact is closed, but not so far that the normally closed contact is opened. In a series circuit of NC and NO and ei ⁇ ner proper spatial allocation of switching element and unactuated actuator circuit is thus closed sen. When pressing the emergency stop device of openers geöff ⁇ net and the circuit is broken, despite still being closed NO contact.
- a patented under JP 2003 272468 solution is adapted to a special attachment mechanism.
- the Heidelbergele ⁇ elements which are mounted on a support are attached by means of a rotary latch on the actuator.
- This rotary latch is designed so that it opens the normally closed contact in any position other than the locking position. If the rotary latch is brought into the locking position, without the switching elements being located on the actuator, or in case of violence, the normally closed contact remains closed, although the spatial allocation of switching element and actuator is not given. So it is not ensured that at a closed emergency stop circuit the Subject Author ⁇ Fende switching element is actually ready on the actuator.
- An advantage over the first two solutions is that when the rotary latch from the locked to the unlocked position, the normally closed contacts are opened inevitably.
- the invention has for its object to provide a command device, which inevitably interrupts the circuit in an improper spatial association between the actuator and switching element.
- the in ⁇ stallationshim comprises means for interrupting egg ⁇ ner leading to the contact elements are provided conductive connection when disassembling the installation unit.
- the installation unit has a contact device for interrupting the conductive connection.
- This contact device is present in addition to the means for interruption in disassembly of the installation unit.
- the installation unit can be used for example as Ausschal ⁇ ter or push button.
- the contact device has a relaxed and a cocked position under the action of a spring mechanism. As a result, a switching mechanism designed as a pressure switch or pushbutton can be realized in a simple manner.
- a spring mechanism to tension the contact device ⁇ planning a return spring is provided.
- the spring mechanism can be realized by simple standard components.
- the contact device is provided in the ent ⁇ unbiased position to close and in the tensioned position for interrupting the conductive connection. This is in non-actuated contact device of
- the installation unit is particularly suitable as a command device for interrupting a current ⁇ circle.
- a plunger which has a rest and an actuating position, is provided to act on the Kunststoffvorrich ⁇ tion, wherein the contact device by movement of the plunger in its rest position in the relaxed position and by movement of the plunger in its operating position in the cocked Position is transferable.
- the means for interruption ensure that in an incorrect spatial assignment between the actuator and contact device of the circuit is interrupted.
- This separate version of actuator and contact device facilitates, for example, the assembly of the command device to a control panel.
- a fastening element is advantageously provided for mounting the installation ⁇ unit on a surface by means of which by a recess in the surface of the fastener opposite side through pluggable actuator is fixable. Thus, a secure hold of the command device is guaranteed.
- the switching element is indirectly connected by screwing or snapping over the fastener or directly to the actuator.
- the installation unit can be mounted safely and easily.
- the means for interrupting the conductive connecting a contacting element which is in ⁇ associated with the stallationsiser a removable part, and two dacasele ⁇ elements on the contacting element for contacting.
- the assignment of the contacting element to the detachable part of the installation unit ensures in a simple manner that the conductive connection is interrupted when the installation unit is removed.
- a conductive contact pin is provided as the contacting element, which is arranged in the properly assembled state of the installation unit between the at ⁇ the connecting elements .
- the contact pin and / or the two connecting elements on a spring property and the distance between the connecting elements is smaller than the diameter or the width of the contact pin.
- the spring property can be realized in the contact pin, for example by a longitudinal slot.
- an insulating material in such a way to a ⁇ embedding of the contact pin provided that upon contacting the contact pin no leitfä ⁇ Higes part is longer be touched with the connecting elements. For example, restrictions on the permissible operating voltage or operating current are not required.
- two connecting elements in the switching ⁇ element and attached to the actuator conductive contact pin are provided as a means for interrupting the conductive connection by means of which with a correct spatial allocation between Actuator and switching element, a conductive connection between the connecting elements via the contact pin can be produced, which can be plugged through a recess in a housing of the switching element.
- the presence of the inadvertently connected to the actuator pin is automatically ensured that in actuators, in which the use of switching elements is provided with absence assurance, no normal switching elements without absence assurance can be mounted.
- the contact pin and / or the two connecting elements on a spring property, wherein the distance between the connecting elements is smaller than the diameter or the width of the contact ⁇ pen.
- an insulating material is provided for embedding the contact pin, that when contacting the contact pin with the connecting elements no conductive part is more touchable.
- the length of the contact pin is dimensioned such that upon release of the switching element from the actuator, the conductive connection between the connecting elements can be interrupted before on the actuator no effect on the plunger is exercisable.
- the conductive connection is already interrupted before the actuator can no longer fulfill its function.
- the recess in the housing of the switching ⁇ elements, through which the contact pin is plugged through funnel-shaped. As a result, the joining of switching element and actuator is facilitated.
- an electrical conductor is provided as ⁇ shear con- takt istselement instead of the contact pin.
- This conductor may be, for example, a wire or a stranded wire.
- the electrical conductor advantageously has an electrical insulation. In turn, this results in no restrictions with respect to the operating current and the operating voltage compared to normal switching elements.
- the electrical conductor is firmly connected with one end to a connecting member and connected to the walls ⁇ ren end on the other connecting element via a plug connection.
- the interruption of the electric circuit can be realized without destruction by releasing the connection between the electrical conductor and the connecting element.
- the installation unit which is embodied with a separate actuator and switching ⁇ element, as a means for interrupting the conductive connection, two connecting elements in the Wegele ⁇ ment and provided by two recesses in a housing of the switching element feasible electrical conductor, wherein the electrical conductor is firmly connected at one end with a connecting element and after a correct spatial borrowing between switching element and actuator by a provided on a housing of the actuator Aus ⁇ recess feasible and connectable at the second end to the second connecting element.
- the electrical conductor to an electrical insulation.
- the length of the electrical conductor is dimensioned such that upon release of the switching element from the actuator, the conductive connection between the two connecting elements can be interrupted before over the actuator no effect is exerted on the plunger. This ensures that a spatial separation of actuator and switching element also entails an electrical interruption of the conductive connection.
- the installation unit of the fastening mechanism between the switching element and actuator is provided with blocked ram and exceeding a certain operating force to separate the switching element from the actuator.
- Contacts may weld as a result of a short circuit. Is this Ver ⁇ welding so massive that, for example, when pressing an emergency stop command device, the contacts are not broken, the safety-related function of the device, that is, the opening of the contacts, no longer exists.
- Inventive ⁇ proper switching element of the fixing mechanism can be made between the switching element and actuator so that the switching element actuating force by transmitting the Be ⁇ when exceeding a certain welding force over the blocked slider from the actuator triggers (e.g., by a predetermined breaking point) and thereby, despite welded contacts, the circuit is necessarily interrupted by separation of the contact pin from the switching element.
- a controller for measuring the potential difference between the contact pins and at least one of the two Kunststoffele- elements of the installation unit In a ord ⁇ voltage in accordance with the mounted circuit element and a clock means by Kon ⁇ closed circuit of the contact pin and both contact elements lie the installation unit in terms of voltage at the same potential. When the contact device is open, the contact element lying on the same side as the contact pin and the contact pin have the same potential but a different potential than the contact element lying on the opposite side of the contact device. This can be done, for example, with an EMERGENCY STOP chain
- a controller for measuring the potential difference between both sides of the contact device is provided.
- the contact ⁇ device is open or closed.
- the installation unit is a controller for measuring the Potentialdif ⁇ ference between the two sides of the means for interrupting the conductive connection is provided. This can be determined in a simple manner, whether a correct spatial assignment of the actuator to the switching element is present.
- the installation unit for USAGE ⁇ is dung as an EMERGENCY STOP command device is provided.
- This momentary closing of the EMERGENCY STOP circuit can possibly lead to dangerous operating conditions. In the solution according to the invention this is not the case.
- FIG. 2 shows the EMERGENCY STOP actuator from FIG. 1 in the actuated state
- FIG 3 shows the emergency stop actuator of FIG 1, wherein the Actuate the ⁇ ger is separated from the switching element
- FIG. 4 shows the switching element of the EMERGENCY STOP actuator from FIG. 1 with a controller for measuring the potential difference between the contact pin and the contact elements of the installation unit;
- FIG 5 is provided to the emergency-stop actuator of Figure 1, wherein for With ⁇ tel to interrupt the conductive compound in place as shown in Figures 1 to 4, a wire or a strand of the contact pin.
- the command device is of modular construction and consists of a switching element 4 and an actuator 6, wherein the actuator 6, the actual control element 1 belongs, by means of which a user operates the emergency stop command device.
- the emergency stop command device is mounted on egg ⁇ ner control panel 2.
- the actuator 6 was passed through a hole in the control panel 2 and fastened with ⁇ means of a fastener 3.
- the switching element 4 by means of Druckelementbefesti ⁇ tion 5 was mounted by snapping on the actuator 6.
- the contact elements of the installation unit are designed as connection terminals 14, 15.
- a contact pin 7 As a means for interrupting the lei ⁇ border connection between the terminals 14 and 15 is a contact pin 7 and as connecting elements a Festschalt Georgia 8 and a connector 9. Due to the curved shape of the Festschalt Industriess 8 and the connector 9, these two connecting elements receive a resilient egg ⁇ genschaft by which a secure electrical connection to the contact pin 7 can be produced.
- the contact pin 7, which is inseparably connected to the actuator 6, is guided in the assembly of the switching element 4 to the actuator 6 by a switching element 4 provided for this purpose recess, which is vorteilhaf ⁇ tange funnel-shaped.
- the presence of the contact pin 6, which is inseparably connected to the actuator 6, automatically ensures that no normal switching elements can be mounted without absence assurance in the case of actuators 6 in which the use of switching elements 4 with absence protection is provided.
- the contact pin 7 lines the electrical contact to the Ver ⁇ binding elements 8, 9 and is therefore free of tension, as soon as he is separated from the switching element. 4 As a result, there are no problems with contact protection.
- the switching element 4 has fer ⁇ ner a contact device 10 which is operated by a switching element slider 16.
- FIG. 2 shows the EMERGENCY STOP command device from FIG. 1 in the actuated state. It can be seen how the operating force acts through actuation of the Whyele ⁇ ments 1 via a plunger 17 to the switching element slider 16 to open the contact device 10th As a result, as mentioned above, the return spring 19 is transferred into its tensioned state.
- FIG. 1 For an explanation of the further reference symbols see FIG. 1.
- FIG 3 again shows the EMERGENCY STOP command device of Figure 1, where ⁇ is achieved in the switching element 4 by the actuator. 6
- the contact device 10 is closed by the restoring force of the return spring 19.
- Good to see is the funnel-shaped recess in the Wegelement- housing 12 through which the switching pin 7 is passed during assembly of the switching element 4 with the actuator 6.
- insulating material 11 is attached, which ensures that no conductive part is more touchable, as soon as the contact pin 7 has made a conductive connection to the connecting elements 8, 9.
- FIG 5 shows an embodiment of the electrical installation unit according to the invention
- a wire or a stranded wire 21 is used in the refraction as a means to lower ⁇ the conductive compound in place of the contact pin 7, as shown in Figures 1 to 4 are shown.
- the wire or the strand 21 is fixedly attached at one end to a fixed switching piece 20, which represents one of the two connecting elements, wherein at the other end of the wire or the strand 21, a plug-in connection 24 is mounted, which with the secondtechnischsele ⁇ ment, the connector 23, is connected.
- the wire or the strand 21 is guided through a recess on the actuator 22, which ensures that upon release of the switching element 4 from the actuator 6, the conductive connection between the terminals of the installation unit 14 and 15 by pulling the connector 24 from the connector 23 is inevitably interrupted.
- the length of the Drah ⁇ tes 21, which is preferably performed electrically insulated, is dimensioned such that when dismantling the emergency stop, the electrical connection is broken by pulling out the plug 24 from the connector 23 command device before the contact device 10 is no longer can be opened by operating the control element 1.
- the second end of the wire 21, instead of by means of the plug connection ⁇ 24, also be fixedly connected to the connector 23. In this case, the positive opening of the conductive connection takes place during disassembly of the emergency stop command device
- the invention relates to an electric In ⁇ stallationshim wherein the installation unit has to make contact with electrical consumers, at least two contact elements.
- the invention has for its object to provide an installation unit in which upon disassembly of the installation unit existing between the two contact elements electrical connection is zwangsläu ⁇ fig interrupted. This object is achieved in that the installation unit has means which are provided for interrupting the leading to the contact elements conductive connection during disassembly of the installation unit.
- These means consist of two connecting elements in a switching element of the installation unit and example ⁇ a contact pin of a conductive material that produces a conductive connection between the connecting elements in a properly mounted state of the installation unit.
- the electrical connection between the connecting elements by a wire or a strand can be produced, for example, is interrupted by the or the ze the electrical connection when disassembling the installation ⁇ unit, for example, by tearing of the wire or Lit ⁇ .
- the installation unit according to the invention in ⁇ example, in use as an emergency stop command device.
Landscapes
- Push-Button Switches (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Burglar Alarm Systems (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT06807771T ATE432528T1 (de) | 2005-12-20 | 2006-11-08 | Befehlsgerät mit schaltelementüberwachung |
DE502006003849T DE502006003849D1 (de) | 2005-12-20 | 2006-11-08 | Befehlsgerät mit schaltelementüberwachung |
US12/086,588 US7943872B2 (en) | 2005-12-20 | 2006-11-08 | Command device with switching element monitoring |
CN2006800485152A CN101346790B (zh) | 2005-12-20 | 2006-11-08 | 一种用于接触用电设备的电气安装单元 |
EP06807771A EP1964139B1 (de) | 2005-12-20 | 2006-11-08 | Befehlsgerät mit schaltelementüberwachung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05027927A EP1801830A1 (de) | 2005-12-20 | 2005-12-20 | Befehlsgerät mit Schaltelementüberwachung |
EP05027927.2 | 2005-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007071495A1 true WO2007071495A1 (de) | 2007-06-28 |
Family
ID=36216980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/068209 WO2007071495A1 (de) | 2005-12-20 | 2006-11-08 | Befehlsgerät mit schaltelementüberwachung |
Country Status (6)
Country | Link |
---|---|
US (1) | US7943872B2 (de) |
EP (2) | EP1801830A1 (de) |
CN (1) | CN101346790B (de) |
AT (1) | ATE432528T1 (de) |
DE (1) | DE502006003849D1 (de) |
WO (1) | WO2007071495A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITVI20080160A1 (it) | 2008-06-30 | 2010-01-01 | Pizzato Elettrica Srl | Interruttore di sicurezza. |
FR2936902B1 (fr) * | 2008-10-07 | 2010-09-17 | Schneider Electric Ind Sas | Dispositif d'arret d'urgence |
JP5095691B2 (ja) * | 2008-10-27 | 2012-12-12 | 富士電機機器制御株式会社 | 押しボタンスイッチ |
FR2950472B1 (fr) * | 2009-09-21 | 2011-08-26 | Schneider Electric Ind Sas | Dispositif d'arret d'urgence |
US8420961B2 (en) * | 2010-06-22 | 2013-04-16 | Schneider Electric USA, Inc. | Contact block with interlock |
CA2933982C (en) * | 2013-12-19 | 2021-08-24 | Eaton Electrical Ip Gmbh & Co. Kg | Contact element |
KR102517376B1 (ko) | 2016-04-19 | 2023-04-03 | 엘에스일렉트릭(주) | 투입저항을 구비하는 차단기 |
CN110676082B (zh) * | 2019-10-23 | 2021-06-25 | 广东海洋大学 | 一种电气自动化设备故障紧急断电装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0382345A2 (de) * | 1989-02-09 | 1990-08-16 | Molex Incorporated | Einstückig gegossenes elektrisches Verbindungsgehäuse mit abtrennbarem Hebel |
DE4111150A1 (de) * | 1991-04-06 | 1992-10-08 | Kronenberg Gmbh H & J | Sicherheitsschalter |
EP0660450A2 (de) * | 1993-12-27 | 1995-06-28 | General Motors Corporation | Elektrische schnell trennbare Vorrichtung für hohe Stromstärken |
US6198058B1 (en) * | 1999-09-27 | 2001-03-06 | Rockwell Technologies, Llc | Switch contact mechanism |
EP1553609A1 (de) * | 2002-09-09 | 2005-07-13 | Idec Izumi Corporation | Schalteinrichtung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3436497A (en) * | 1967-08-31 | 1969-04-01 | Cutler Hammer Inc | Electrical switch having a lost motion operator assembly |
US4306123A (en) * | 1979-02-21 | 1981-12-15 | Taylor Glenn R | Contact block |
DE4101493C2 (de) | 1991-01-19 | 2001-07-19 | Schlegel Georg Gmbh & Co | Elektrischer Schalter mit einer Kontaktvorrichtung und einem Stößel |
JP4169995B2 (ja) | 2002-03-13 | 2008-10-22 | Idec株式会社 | 操作スイッチ |
JP3899281B2 (ja) * | 2002-04-11 | 2007-03-28 | Idec株式会社 | 押ボタンスイッチ |
US6987235B2 (en) * | 2003-06-06 | 2006-01-17 | Rockwell Automation Technologies, Inc. | Redundant switch having torsional compliance and arc-absorbant thermal mass |
-
2005
- 2005-12-20 EP EP05027927A patent/EP1801830A1/de not_active Withdrawn
-
2006
- 2006-11-08 DE DE502006003849T patent/DE502006003849D1/de active Active
- 2006-11-08 AT AT06807771T patent/ATE432528T1/de not_active IP Right Cessation
- 2006-11-08 US US12/086,588 patent/US7943872B2/en not_active Expired - Fee Related
- 2006-11-08 CN CN2006800485152A patent/CN101346790B/zh not_active Expired - Fee Related
- 2006-11-08 WO PCT/EP2006/068209 patent/WO2007071495A1/de active Application Filing
- 2006-11-08 EP EP06807771A patent/EP1964139B1/de not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0382345A2 (de) * | 1989-02-09 | 1990-08-16 | Molex Incorporated | Einstückig gegossenes elektrisches Verbindungsgehäuse mit abtrennbarem Hebel |
DE4111150A1 (de) * | 1991-04-06 | 1992-10-08 | Kronenberg Gmbh H & J | Sicherheitsschalter |
EP0660450A2 (de) * | 1993-12-27 | 1995-06-28 | General Motors Corporation | Elektrische schnell trennbare Vorrichtung für hohe Stromstärken |
US6198058B1 (en) * | 1999-09-27 | 2001-03-06 | Rockwell Technologies, Llc | Switch contact mechanism |
EP1553609A1 (de) * | 2002-09-09 | 2005-07-13 | Idec Izumi Corporation | Schalteinrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP1801830A1 (de) | 2007-06-27 |
DE502006003849D1 (de) | 2009-07-09 |
CN101346790A (zh) | 2009-01-14 |
US7943872B2 (en) | 2011-05-17 |
ATE432528T1 (de) | 2009-06-15 |
EP1964139A1 (de) | 2008-09-03 |
CN101346790B (zh) | 2011-10-05 |
US20090084663A1 (en) | 2009-04-02 |
EP1964139B1 (de) | 2009-05-27 |
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