CN101345154B - Switching unit for a conveying system - Google Patents
Switching unit for a conveying system Download PDFInfo
- Publication number
- CN101345154B CN101345154B CN2007101676577A CN200710167657A CN101345154B CN 101345154 B CN101345154 B CN 101345154B CN 2007101676577 A CN2007101676577 A CN 2007101676577A CN 200710167657 A CN200710167657 A CN 200710167657A CN 101345154 B CN101345154 B CN 101345154B
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- CN
- China
- Prior art keywords
- switch element
- switch
- box
- rotatable
- button
- 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.)
- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract 3
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 4
- 230000002411 adverse Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003042 antagnostic effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3031—Means for locking the spring in a charged state
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
- H01H27/06—Key inserted and then turned to effect operation of the switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H2003/3089—Devices for manual releasing of locked charged spring motor; Devices for remote releasing
Landscapes
- Push-Button Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Handcart (AREA)
Abstract
Switch unit for transport installation Switch unit (10) for a transport installation with a rotatable switching element (12), which is accommodated in a housing (11) and which can be brought from a first switch setting to a second switch setting. The rotatable switching element (12) comprises a pushbutton (14) and a rotatable plate disposed in the interior, which are connected together. Through pushing in the pushbutton (14) a rotation of the rotatable switching element (12) is caused in order to transfer this from the first switch setting to the second switch setting.
Description
Technical field
The present invention relates to a kind of switch element that is used for such as the conveyer of elevator, escalator or escalator.
Background technology
Above-mentioned switch sections is used for the urgent or safety switch of conveyer, to reach certain standard or specification.For example, can under emergency situations, start (actuate) such switch, trigger (trigger) lowering or hoisting gear and react.This class switch is designed to stop lowering or hoisting gear by manually rotating (rotation) above-mentioned switch when the condition of a fire is arranged.Emergency situations one mistake, above-mentioned switch can be got back to initial position with common key rotation immediately, thereby are reset.
Above-mentioned this emergency safety switch is complicated and expensive.Especially, owing to use key post (key cylinder), constructional depth is relatively large, thereby a groove must be set at the place of tightening up of switch or bury jack.
In addition, key and key post are provided by home provider usually, if the key post is not suitable for original otch of switch enclosure or opening, just are difficult to install.
Also useful key triggers the emergency safety switch of emergency function.
Corresponding key is placed in usually near in the independent box of emergency switch, and for example, in case of emergency, thereby the glass cover of smashing box is to open the box release key.The cost of this scheme is very high.Yet most important shortcoming is that the switch that has key after triggering alarm bell or reaction all can be returned to its initial position in any case.
But, some standards and norms regulations, the personnel that only are authorized to just can split to close and reset.
Summary of the invention
Consider the deficiency of above-mentioned existing solution, the objective of the invention is to: a kind of standard of elevator structure or escalator structure or switch of safety standard of meeting is provided, and its production cost is low, and installs simple.
In addition, the present invention also aims to provide a kind of switch durable, simple to operate, wherein switch can manual triggers, but it is only reseted and can be finished by the personnel that are authorized to.
According to an aspect of the present invention, a kind of switch element that is used for transfer equipment has been proposed, have and be contained in the box, can navigate to the rotatable switch element of second switch location from first switch, wherein: box has the front side, the front side is provided with the recess that is used for button, box has the receiving area that is used to receive rotatable switch element, box has the zone that is used to tighten up electric switch, rotatable switch element comprises button and the rotatable disc that links together, button can be pressed into and rotatable switch element rotates, so that rotatable switch element is transformed into the second switch location from first switch location, be provided with electric switch, described electric switch can inspire by the rotation of rotatable switch element and rotatable switch element can be installed in the receiving area of box with resetting.
Details are as follows for details of the present invention and various advantage.
Description of drawings
To be described in more detail the present invention by example and with reference to Figure of description below, figure is not an actual ratio, wherein:
Fig. 1 is the front perspective view according to first form of the embodiment of switch element of the present invention;
Fig. 2 is the rear view of first form under open mode according to the embodiment of switch element of the present invention;
Fig. 3 is the rear view of first form under closed state according to the embodiment of switch element of the present invention;
Fig. 4 is the front perspective view according to second form of the embodiment of switch element of the present invention;
Fig. 5 A is the preceding schematic diagram according to the 3rd form of the embodiment of switch element of the present invention;
Fig. 5 B is the part side schematic diagram that is in first switch location according to the 3rd form of the embodiment of switch element of the present invention;
Fig. 5 C is the part side schematic diagram that is in the second switch location according to the 3rd form of the embodiment of switch element of the present invention.
Assembly identical and similar or that have a same function is represented with identical Reference numeral in institute's drawings attached.
Embodiment
Fig. 1 is the front perspective view according to first form of the embodiment of switch element 10 of the present invention, is specially adapted to elevator structure or other conveyer.As shown in Figure 1, switch element 10 comprises box 11, for example, can be the form of lid or front panel.The circular recess bigger slightly than the button 14 of rotatable switch element 12 is arranged in the box 11.Button 14 is outstanding from recess, thereby can actuate from the outside.For button 14 can be rotated, the shape that its shape selects the shape with circular recess to be complementary.
In the illustrated embodiment form, button 14 is designed to its exterior periphery and is provided with cylindrical flange, and its inside is provided with the triangle key button of raising.This key button can manually be pushed as actuating (actual) press element.In contrast, cylindrical flange is mainly used in the guiding of situation knob down 14 in box 11 that button 14 is depressed.
In the illustrated embodiment form, switch element 10 comprises safe unit, and it must remove before when pressing button 14.In illustrated example, split pin 13 is as safety element 13, and when button 14 was placed in first switch location (cutting out the location), described split pin 13 was passed button 14 and inserted.
But also can use according to design separately must be destroyed, pulls out, and removes or other the safety element that unclamps.
Symbol, mark or Warning Mark can for example be arranged in the regional A3.
Further the present invention is described in detail below in conjunction with Fig. 2.Be depicted as the rearview of the box of opening 11.As can be seen, rotatable disc 15 is as the intermediary element of rotatable switch element 12.Rotatable disc 15 is set to the approximate circle disk shape among Fig. 2, and externally circumference is provided with the breach (excision) of picture lug (lug) shape projection and/or fundamental sum dish 15 self slot shape at grade.
Yet, also can replace pie dish 15 with difform rotatable disc 15.What especially be fit to is polygon dish 15, and described polygon dish 15 has the pin linear element (for example, pin 30 in Fig. 5 B) outstanding from the front of rotatable disc 15 with the projection of replacement lug-shaped and/or the breach of slot shape.These pin linear elements preferably extend abreast with the rotation axis R1 of rotatable switch element 12.
The button 14 of rotatable disc 15 and rotatable switch element 12 is connected.In first form of embodiment as shown in Figures 1 to 3, button 14 and rotatable disc 15 can be for using the integral body as plastic material.Yet rotatable switch element 12 also can be made up of several parts.
According to the present invention, the particularly important is, the guiding that pushing of button 14 is converted to rotatable disc 15 is rotated, promptly, the linear displacement that the rotation axis R1 of button 14 and rotatable switch element 12 takes place abreast is converted into the rotation of rotatable switch element 12 around rotation axis R1.For this reason, rotatable switch element 12 is installed in the receiving area, rear (region) of box 11 in mode that can homing, thereby thereby rotatable switch element 12 is rotated rotatable switch element 12 by torsional interaction or bias voltage.
The rotation of rotatable switch element 12 is by button 14 being pushed box 11, relying on the moment of torsion of predefined clockwise direction (among Fig. 1) to realize.In Fig. 2, this rotation is anticlockwise.So switch element 10 is converted to second switch location (opening the location) by first switch location (closing the location).
The zone that is used for fixing electric switch 17 is arranged in box 11 places or the box 11.In the example shown, for having the microswitch of three electric terminals and switch lever.Push switch bar actuatable switches 17, and the triggering reaction (such as, the cut-out of warning or lift appliance).
For example, rotatable switch element 12 can be pressed in the box 11 by recuperability (restoring force), so that it is outstanding by recess from the front of box 11 to be in the button 14 of first switch location.When button 14 is pressed in, must use the power of offsetting recuperability.
According to embodiment form separately, moment of torsion and/or recuperability are provided by the spring element 16 that is arranged on box 11 places.A plurality of spring elements 16 preferably are set.
As shown in Figure 2, spring element 16 can adopt sheet spring or torsionspring, and it is installed in the fringe region of receiving area of box 11.These spring elements 16 are in circumferential area and rotatable disc 15 engagements.When switch element 10 was installed, spring element 16 can be by bias voltage easily, thereby applies (apply) moment of torsion and/or recuperability.
Because default moment of torsion and (consider from the front side) along clockwise direction to rotate voluntarily, and convert the second switch state in order to prevent rotatable switch element 12, at least one abut 20 is arranged in the scope of receiving area of box 11.Be provided with a plurality of this abuts 20 in the example shown in Fig. 2.In first switch location, the lug-shaped projection of rotatable disc 15 and/or slot shape breach are oppressed towards these abuts 20 by moment of torsion.In this switch location, rotatable disc 15 is placed on the first plane A1 of switch enclosure.Consider that from the front side of box 11 be provided with the second plane A2 (second plane), it is after the first plane A1.
By pressing button 14, rotatable switch element 12 is parallel to rotation axis R1 displacement backward, and leaves the first plane A1.A1 and A2 zone are tangible on accompanying drawing.A1 is equivalent to the front surface of rotatable disc 15.They are adjacent to each other.Described abut 20 upwards promotes from the first plane A1.Rotatable disc 15 1 enters the second plane A2, and abut 20 just discharges rotatable disc 15, and this dish rotates in a clockwise direction because of the existence of moment of torsion.On the second plane A2, also be provided with at least one abut.Rotatable disc 15 rotations are up to this abut.One of them abut on the second plane A2 in accompanying drawing 2 by Reference numeral 27 characterizations.
The abut 20 of the first plane A1 also can be called the first rotation abut (rotationabutments) herein, and the abut 27 of the second plane A2 also can be called the second rotation abut herein.
Optionally translation or conversion element (translation element) 18,19 are arranged in the box 11, are used for actuating indirectly of electric switch 17, so that rotatable switch element 12 during rotation, act on the switch lever of electric switch 17.Fig. 2 has shown distortion, and wherein conversion element has and is used for rotatable disc 15 interactional area presseds 18 and is used for and switch 17 interactional damping zones 19.Damping zone 19 can guarantee that excessive power is not applied on the switch lever of switch 17.
As long as button is pressed in, button flushes with front surface and can not be booked again.
For the authorized person can be reset, switch element 10 has protection and resets function.For this reason, as shown in Figure 1, the key head that promotes is arranged on button 14 places, in the embodiment shown promptly, protection is reseted function by following realization: button 14 is constructed to, utilize spanner (not shown), polygon spanner preferably, make button 14 and rotatable disc 15 get back to first switch location from the second switch location together by returning rotation.Key allows to hold button 14, and applies the necessary power of moment of torsion of antagonistic spring element 16.
The cable feed-through of passing through (feedthrough) 23 that is used for cable 21 is arranged on rear wall 21 places, and in order to connect the control of switch 17 and elevator or other electrical/electronic system, this is necessary.
Picture is already mentioned, and lamp or indicating device can be arranged on switch element 10 places, so that the state of switch element 10 is visual.Fig. 4 has shown second form of embodiment, and warning indicator 24 is arranged on the top of the box 11 of switch element 10, in case and button 14 be pressed or control and confirm to trigger function, warning indicator 24 is just lighted.In the example shown, be the fire alarm switch 10 that indicates " forbidding taking (boarding prohibited) ", prevent from after triggering fire alarm, to enter cage.Generally (function is closed, and promptly switch element 10 is positioned at and closes the location), the symbol of warning indicator 24 " being prohibited from entering " is invisible or may be seen indistinctly.
Such fire alarm switch can satisfy for example condition of standard EN81-73 (NORM EN81-73).
Accompanying drawing 5A-5C has shown the 3rd form of embodiment in detail.Compare with above-described embodiment; the rotation protection of rotatable switch element 12 in first switch location is not to realize by the rotatable disc 15 that is arranged on box 11 places and the interaction of abut 20, but the structure of the nonrotational symmetry by button 14 is realized.The button 14 of nonrotational symmetry is installed in the recess 25 of box 11, and this prevents that button 14 from rotating into first switch location (position) (cutting out the location).
Fig. 5 B shows this first switch location (being also referred to as 0 degree location).The top of button 14 is passed the front of box 11 and is given prominence to, and can not rotate.Axle is arranged in rotatable disc 15 lower zones 28, and coaxial with the rotation axis R1 of rotatable switch element 12.Axle can be installed in the spring element 29 (the preferred compression spring that uses) with resetting, and described spring element 29 is supported against the rear wall 21 of switch enclosure 11.Spring element 29 applies recuperability, and described recuperability promotes button 14 and upwards passes through the recess 25 of box 11, and makes it remain on first switch location.
Switch element 10 shown in Fig. 5 C is positioned at second switch location (if rotatable switch element 12 has turned over 15 degree, being also referred to as 15 degree location).As can be seen, button 14 has been pressed into the recess 25 by box 11.Axle is positioned on the rear wall 21 (abut) now, and spring element 29 is compressed, and this increases and has suffered recuperability.
Simultaneously, the recess 25 of box 11 is left on the top of button 14, can freely rotate around axle R1.As top further describing, at least one spring element 16 (not shown) is set, to pass through moment of torsion bias voltage rotatable disc 15.By being pressed into of button 14, rotatable disc 15 moves to the second plane A2 from the first plane A1.This moment, rotatable disc 15 and button 14 rotated around axle R1 together under torsional interaction.At least one abut 27 is set on the second plane A2.For example, abut 27 can allow the rotatable switch element 12 moving axis R1 that rotates to rotate 15 degree.Yet, also different angles can be set.
The switch 17 that rotation by rotatable disc 15 is switched can be once more similarly be provided with the embodiment of other form.This switch is not shown among the accompanying drawing 5A-5C.For example, extend the also pin 30 of actuatable switches 17 vertically, can be arranged on rotatable disc 15 places.
Present embodiment is provided with safety element equally.Use the disk of easily breaking 26 as safety element in the existing scheme.
Based on the description of top each embodiment, various combination of elements cause more changeableization.
The characteristics of switch element 10 are that gross thickness is little.And the present invention allows the structure of switch element 10 compact especially.Switch element 10 can not have built-in box, bury under the situation of jack or analog and install.Any relevant safe functioning that can be used for lift appliance or escalator/escalator.
The advantage of switch element 10 is that it is equipped with safety device (for example, split pin, protective cover) and prevents that the protection that unauthorized is reseted from reseting function.Resetting apparatus is integrated in the button 14 or the embodiment form that combines with it is especially favourable.
Trigger in order to obtain more obvious visual buttons, 3 visual edges of button can cover with the cap that can clog (for example, plastic material part).3 edges are just not obvious, and the cap that can clog can take off, and reset, and then block up once more.
Composition element can constitute variant.Button has shape and the size that modulation element " is prohibited from entering ".If press, rotate, remain on horizontal level and light demonstration and " be prohibited from entering ".Symbol " is prohibited from entering " before inspiring in no instance and shows---when only lighting as seen.Reseting at that time must be by special spanner, for example by the corresponding aperture of locating on every side at modulation element.
Claims (13)
1. switch element (10) that is used for transfer equipment has and is contained in rotatable switch element (12) in the box (11), that can navigate to the second switch location from first switch, it is characterized in that:
Box (11) has the front side, and the front side is provided with the recess (25) that is used for button (14),
Box (11) has the receiving area that is used to receive rotatable switch element (12),
Box (11) has the zone that is used to tighten up electric switch (17),
Rotatable switch element (12) comprises button (14) and the rotatable disc (15) that links together,
Button (14) can be pressed into and rotatable switch element (12) rotates, so that being transformed into second switch from first switch location, rotatable switch element (12) locatees,
Be provided with electric switch (17), described electric switch (17) can inspire by the rotation of rotatable switch element (12) and
Rotatable switch element (12) can be installed in the receiving area of box (11) with resetting.
2. switch element as claimed in claim 1 (10), it is characterized in that rotatable switch element (12) is pressed in the box (11) by recuperability, so that button (14) is outstanding by recess (25) from the front side of box (11), wherein when being pressed into button (14), must use power with the recuperability adverse effect.
3. switch element as claimed in claim 2 (10) is characterized in that at least one spring element (16; 29) be arranged on box (11) and locate, thereby moment of torsion and/or recuperability are provided.
4. switch element as claimed in claim 2 (10) is characterized in that spring element (29) is arranged on box (11) and locates, and described spring element (29) acts on the axle of rotatable switch element (12) and goes up so that recuperability to be provided.
5. switch element as claimed in claim 3 (10), it is characterized in that first plane (A1) and second plane (A2) are arranged in the receiving area of box (11), wherein rotatable switch element (12) is arranged on first plane (A1) in first switch location, and rotatable switch element is arranged on second plane (A2) in the second switch location.
6. switch element as claimed in claim 5 (10) is characterized in that: described at least one spring element (16; 29) is arranged on box (11) and sentences moment of torsion just is provided, and in first plane (A1), first pivot stop point (20) is arranged in the receiving area, rotatable switch element (12) by moment of torsion by being pressed on described first pivot stop point (20).
7. switch element as claimed in claim 5 (10) is characterized in that: described at least one spring element (16; 29) be arranged on box (11) and sentence moment of torsion just is provided, and when button (14) when being pressed into, rotatable switch element (12) penetrates second plane (A2), and causes that by moment of torsion rotation is up to second pivot stop point (27) at that.
8. as the described switch element of arbitrary aforementioned claim (10), it is characterized in that conversion element (18,19; 30) be arranged in the box (11) to be used for actuating indirectly of electric switch (17), rotatable switch element (12) acts on the electric switch (17) when rotating with box lunch.
9. as each described switch element (10) among the claim 1-7, it is characterized in that switch element (10) has the protection restore funcitons.
10. switch element as claimed in claim 9 (10), it is characterized in that protecting restore funcitons by following realization: button (14) is constructed to, utilize spanner,, make rotatable switch element (12) be returned to first switch location from the second switch location by returning rotary knob (14).
11., it is characterized in that switch element (10) has safety element (13 as each described switch element (10) among the claim 1-7; 26), described safety element (13; 26) be pressed into button (14) before must be destroyed, pull out, remove or discharge.
12. as each described switch element (10) among the claim 1-7, it is characterized in that rear wall (21) is arranged on box (11) and locates, thus can with switch element (10) as an integral installation on smooth surface.
13., it is characterized in that indicating device (24) is arranged on box (11) and locates, thereby make the state of switch element (10) visual as each described switch element (10) among the claim 1-7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06118549.2 | 2006-08-07 | ||
| EP06118549 | 2006-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101345154A CN101345154A (en) | 2009-01-14 |
| CN101345154B true CN101345154B (en) | 2010-11-03 |
Family
ID=37606841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101676577A Expired - Fee Related CN101345154B (en) | 2006-08-07 | 2007-08-06 | Switching unit for a conveying system |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101345154B (en) |
| HK (1) | HK1122398A1 (en) |
| NO (1) | NO20074072L (en) |
| SG (1) | SG139670A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE407781C (en) * | 1925-01-02 | Voigt & Haeffner Akt Ges | Spring drive for electrical switch | |
| GB2288071A (en) * | 1994-03-30 | 1995-10-04 | Gen Electric | Closing system for a circuit breaker |
| US5905240A (en) * | 1997-10-06 | 1999-05-18 | General Electric Company | Contact closing solenoid assembly for air circuit breakers |
| EP1484273A1 (en) * | 2003-06-04 | 2004-12-08 | Inventio Ag | Elevator control panel with key switch |
-
2007
- 2007-07-17 SG SG200705271-5A patent/SG139670A1/en unknown
- 2007-08-06 CN CN2007101676577A patent/CN101345154B/en not_active Expired - Fee Related
- 2007-08-07 NO NO20074072A patent/NO20074072L/en not_active Application Discontinuation
-
2009
- 2009-02-18 HK HK09101547.7A patent/HK1122398A1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE407781C (en) * | 1925-01-02 | Voigt & Haeffner Akt Ges | Spring drive for electrical switch | |
| GB2288071A (en) * | 1994-03-30 | 1995-10-04 | Gen Electric | Closing system for a circuit breaker |
| US5905240A (en) * | 1997-10-06 | 1999-05-18 | General Electric Company | Contact closing solenoid assembly for air circuit breakers |
| EP1484273A1 (en) * | 2003-06-04 | 2004-12-08 | Inventio Ag | Elevator control panel with key switch |
Also Published As
| Publication number | Publication date |
|---|---|
| SG139670A1 (en) | 2008-02-29 |
| HK1122398A1 (en) | 2009-05-15 |
| CN101345154A (en) | 2009-01-14 |
| NO20074072L (en) | 2008-02-08 |
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