CN103282298A - Termination floor forced deceleration device for elevator - Google Patents
Termination floor forced deceleration device for elevator Download PDFInfo
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- CN103282298A CN103282298A CN2010800709681A CN201080070968A CN103282298A CN 103282298 A CN103282298 A CN 103282298A CN 2010800709681 A CN2010800709681 A CN 2010800709681A CN 201080070968 A CN201080070968 A CN 201080070968A CN 103282298 A CN103282298 A CN 103282298A
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- cage
- position detecting
- detecting sensor
- output
- elevator
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- 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/02—Position or depth indicators
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
Provided is a termination floor forced deceleration device for an elevator which is capable of simplifying an installation adjustment and reducing time necessary for the installation adjustment. In the termination floor forced deceleration device for the elevator which has an overspeed monitoring unit that outputs a brake instruction for decelerating a car in the case where the speed of the car at a time when the car is positioned within a predetermined distance from the termination of a hoistway is equal to or higher than a predetermined speed set in advance, an action plate provided to the car, two position detection sensors that are provided in the hoistway in parallel along a lifting/lowering way of the car and detect the action plate, and a consistency check circuit that reverses an output therefrom in the case where the outputs from the two position detection sensors are consistent with each other on the basis of the outputs of the sensors are provided. The overspeed monitoring unit recognizes whether the car is positioned within the predetermined distance from the termination of the hoistway on the basis of the output from the consistency check circuit.
Description
Technical field
The present invention relates to the terminating layer forced reduction apparatus of elevator.
Background technology
In general, in elevator, will be arranged at the pit of the bottom of hoistway be used to the energy disperser that prevents the collision of cage or counterweight.This energy disperser needs such stroke: even when cage etc. collide with energy disperser at full speed, cage etc. is cushioned fully.The command speed of elevator is more high, and this stroke that needs is just more long.Therefore, the command speed of elevator is more high, need make the pit that energy disperser is set more dark., when this command speed is increased to when to a certain degree above, the degree of depth of needed pit just becomes unpractical numerical value.Therefore, usually be provided with such device (terminating layer forced reduction apparatus): thus it makes buffer stroke than the length that originally needed is short the degree of depth of pit be shoaled, and, with the energy disperser collision before cage etc. is slowed down.
Specifically, when cage near the moving velocity of the terminal of hoistway and cage when predetermined supervelocity detection level is above corresponding to the distance of distance terminal, this terminating layer forced reduction apparatus makes cage slow down forcibly.And, in the terminating layer forced reduction apparatus of so existing elevator, known such structure: be provided with position detecting switch at cage, and, near the terminal above the hoistway and below be provided with the cam (for example, with reference to patent documentation 1) that engages with this position detecting switch near the terminal.In this patent documentation 1 described existing terminating layer forced reduction apparatus, at cam operating point is set, make the position detecting switch action that engages with cam by this operating point, detect cage thus and arrived apart from the position of the terminal preset distance of hoistway.And, the speed of cage of this moment is confirmed, when its when the supervelocity detection level is above, cage is slowed down.
The prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication hei 10-324474 communique
Summary of the invention
The problem that invention will solve
At this, for making cage, the terminal at hoistway slows down fully, and the command speed of elevator is more high, then need be in the speed of the farther location confirmation cage of distance terminal.And, in the terminating layer forced reduction apparatus of patent documentation 1 described existing elevator like this, in order to detect the position of cage, must set the operating point that makes the position detecting switch action by cam.
Therefore, at the operating point of distance terminal set positions far away for detection of the position of cage, the total length of needed cam is elongated, if cam tilts a little, then the position of operating point will significantly change.Therefore, have such problem: the installation adjustment of cam can expend miscellaneous time, the adjustment time is installed increases.
In addition, also have such problem: if the total length of cam is elongated, then the amount of the needed material of making of cam also can increase, thereby causes the needed expense of equipment to increase.
The present invention finishes in order to solve such problem, thereby a kind of can making of its acquisition installed the terminating layer forced reduction apparatus that the elevator that can shorten the installation needed time of adjustment is oversimplified in adjustment.
For the means of dealing with problems
About the terminating layer forced reduction apparatus of elevator of the present invention, elevator has: cage, and described cage is configured in the hoistway of elevator in lifting mode freely; With the supervelocity monitoring unit, described cage be positioned at the distance predetermined apart from the terminal of described hoistway with the position time the speed of described cage be under the situation more than the predefined predetermined speed, described supervelocity monitoring unit output is used for making the braking instruction of described cage deceleration, in the terminating layer forced reduction apparatus of described elevator, the terminating layer forced reduction apparatus of described elevator possesses: action plate, and described action plate is arranged at described cage; Two position-detection sensors, described two position-detection sensors are arranged along the lift path of described cage and are arranged in the described hoistway, for detection of described action plate; And consistency check circuit, according to the two the output of described two position-detection sensors, under described both situation of output unanimity, described consistency check circuit makes the output counter-rotating from self, described supervelocity monitoring unit according to identify from the output of described consistency check circuit described cage whether be positioned at apart from the described predetermined distance of the terminal of described hoistway with the position.
The effect of invention
In the terminating layer forced reduction apparatus of elevator of the present invention, adjust such effect of needed time thereby played to make to install to adjust to oversimplify to shorten to install.
Description of drawings
Fig. 1 is the figure that the integral structure to the terminating layer forced reduction apparatus of the elevator of embodiments of the present invention 1 describes.
Fig. 2 is the time diagram that the operating state to the consistency check circuit of embodiments of the present invention 1 describes.
Fig. 3 is the diagram of circuit of the processing the when power connection of operation control part of embodiments of the present invention 1 is shown.
Fig. 4 is the time diagram that the operating state of the consistency check circuit during to the sensor abnormality of embodiments of the present invention 1 (ON fault) describes.
Fig. 5 is the time diagram that the operating state of the consistency check circuit during to the sensor abnormality of embodiments of the present invention 1 (ON fault) describes.
Fig. 6 is the time diagram that the operating state of the consistency check circuit during to the sensor abnormality of embodiments of the present invention 1 (OFF fault) describes.
Fig. 7 is the time diagram that the operating state of the consistency check circuit during to the sensor abnormality of embodiments of the present invention 1 (OFF fault) describes.
Fig. 8 is the figure that the integral structure to the terminating layer forced reduction apparatus of the elevator of embodiments of the present invention 2 describes.
The specific embodiment
The present invention will be described with reference to the accompanying drawings.In each accompanying drawing, same label is represented identical part or considerable part, suitably simplifies or omit the explanation of its repetition.
Embodiment 1
Fig. 1 to Fig. 7 is the accompanying drawing of embodiments of the present invention 1, Fig. 1 is the figure that the integral structure to the terminating layer forced reduction apparatus of elevator describes, Fig. 2 is the time diagram that the operating state to the consistency check circuit describes, Fig. 3 is the diagram of circuit of the processing the when power connection that moves control part is shown, Fig. 4 and Fig. 5 are the time diagrams that the operating state of the consistency check circuit during to sensor abnormality (ON fault) describes, and Fig. 6 and Fig. 7 are the time diagrams that the operating state of the consistency check circuit during to sensor abnormality (OFF fault) describes.
In Fig. 1, label 1 is the hoistway of elevator.Be provided with machine room 2 at the top of this hoistway 1.And, in the bottom of hoistway 1, further excavate downwards from undermost floor ground and be formed with pit 3.Be equipped with cage 4 in lifting mode freely in hoistway 1, this cage 4 is loading liftings between a plurality of floors such as riding personnel.In addition, also dispose counterweight 5 in lifting mode freely in hoistway 1, this counterweight 5 is used for the load that acts on this cage 4 is compensated.
In the machine room 2 at the top of hoistway 1, be provided with velocity limiter 8.In addition, be provided with tension wheel 9 in the mode of rotating freely near the pit the bottom of hoistway 13.Between this velocity limiter 8 and tension wheel 9 with annular roll speed limiter rope 10.This overspeed governor 10 in a side fastening in cage 4.And, when cage 4 liftings, overspeed governor 10 turnovers, thus the rope sheave of velocity limiter 8 is with the hand of rotation corresponding with the rising or falling speed of cage 4 and rotative speed rotation.At velocity limiter 8 the speed detector 11 that is made of rotary encoder etc. for detection of the rotative speed of the rope sheave of this velocity limiter 8 is installed.Rotative speed by the rope sheave of these speed detector 11 detected velocity limiters 8 is used as speed detection signal 11a output.
The lowest end of the lift path of the cage 4 in the bottom of pit 3, the car buffer 12 of the impact when being provided with for 4 collisions of mitigation cage.In addition, the lowest end of the lift path of the counterweight 5 in the bottom of pit 3, the counterweight buffer 13 of the impact when being provided with for 5 collisions of mitigation counterweight.
The action of the equipment relevant with the running integral body of elevator is by the various control setups controls that are accommodated in the control panel 14.The operation control part 14a that is positioned at control panel 14 controls the operation of elevator (cage 4) by the action of control towing machine 6 or drg 6b.In addition, the supervelocity monitoring unit 14b that is positioned at control panel 14 monitors the speed of cage 4 according to the speed detection signal 11a from speed detector 11 outputs.And, under the situation more than the predetermined supervelocity detection speed, velocity limiter 8 is moved in the speed of judging cage 4.When velocity limiter 8 moved, overspeed governor 10 was controlled, and the not shown accident brake of being located at cage 4 is moved, thereby cage 4 is promptly stopped.
Near below in hoistway 1 terminal desired location is provided with the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b, and whether the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b are positioned at predetermined below terminal location for detection of cage 4.These the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b separate predetermined compartment of terrain arrangement setting along the lifting direction of cage 4.At this moment, the 1st lower position detecting sensor (BTA) 15a is configured to be positioned at respect to the 2nd lower position detecting sensor (BTB) 15b the below end side of hoistway 1.
In addition, near above in hoistway 1 terminal desired location is provided with the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b, and whether the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b are positioned at predetermined top terminal location for detection of cage 4.These the 1st top positions detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b separate predetermined compartment of terrain arrangement setting along the lifting direction of cage 4.At this moment, the 1st top position detecting sensor (TPA) 16a is configured to be positioned at respect to the 2nd top position detecting sensor (TPB) 16b the top end side of hoistway 1.
Be equipped with and the opposed shield 17 of these position-detection sensors at cage 4.When cage 4 was come predetermined below terminal location, the two covered the shield 17 of cage 4 with the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b.In addition, same, when cage 4 was come predetermined top terminal location, the two covered the shield 17 of cage 4 with the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b.
These position-detection sensors are contactless sensor.And at ordinary times, namely under the detecting means of position-detection sensor does not have situation that crested plate 17 covers, voltage (current potential) is higher relatively state.In addition, the position-detection sensor that covered by the shield 17 of cage 4 of its detecting means becomes the relatively low state of voltage (current potential).In following content, the higher relatively state of this voltage (current potential) is shown as the state of output (signal is arranged), the relatively low state of voltage (current potential) is shown as the cut state of output.
In control panel 14, be provided with lower position detecting sensor consistency check circuit 18 and top position detecting sensor consistency check circuit 19.Lower position detecting sensor consistency check circuit 18 is used for the output result's of the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b conformability is checked.And, will be input to supervelocity monitoring unit 14b from the output of this lower position detecting sensor consistency check circuit 18.In addition, top position detecting sensor consistency check circuit 19 is used for the output result's of the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b conformability is checked.And, will also be input to supervelocity monitoring unit 14b from the output of this top position detecting sensor consistency check circuit 19.
At this moment, for than below terminal location make forcibly under the situation of end side on the lower speed that cage 4 slows down and than above the terminal location speed that cage 4 slowed down under the situation of end side above leaning on, they can be set at different respectively values.
Lower position detecting sensor consistency check circuit 18 is made of following part: 3 safety relaies i.e. the 1st lower side relay (LWA) 20a, the 2nd lower side relay (LWB) 20b and the 3rd lower side relay (LWC) 20c; And the 1st lower side open contact 22a that opens and closes in linkage with the action of the 1st lower side relay (LWA) 20a and the 1st lower side normally closed contact 23a, the 2nd lower side open contact 22b that opens and closes in linkage with the action of the 2nd lower side relay (LWB) 20b and the 2nd lower side normally closed contact 23b and the 3rd lower side open contact 22c and the 3rd lower side normally closed contact 23c that open and close in linkage with the action of the 3rd lower side relay (LWC) 20c.
The outgoing side of the 1st lower position detecting sensor (BTA) 15a is connected with the 1st lower side relay (LWA) 20a.Between the 1st lower position detecting sensor (BTA) 15a and the 1st lower side relay (LWA) 20a, in series be inserted with the 3rd lower side open contact 22c.And the 2nd lower side open contact 22b connects in parallel with respect to the 3rd lower side open contact 22c.In addition, the outgoing side of the 2nd lower position detecting sensor (BTB) 15b is connected with the 2nd lower side relay (LWB) 20b.Between the 2nd lower position detecting sensor (BTB) 15b and the 2nd lower side relay (LWB) 20b, in series be inserted with the 3rd lower side open contact 22c.And the 1st lower side open contact 22a connects in parallel with respect to the 3rd lower side open contact 22c.
The outgoing side of the outgoing side of the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b is connected with the 3rd lower side relay (LWC) 20c of lower position detecting sensor consistency check circuit 18.Between the 3rd lower side relay (LWC) 20c and the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b, in series be inserted with the 1st lower side normally closed contact 23a and the 2nd lower side normally closed contact 23b.And the 3rd lower side open contact 22c connects in parallel with respect to the 1st lower side normally closed contact 23a.
In addition, the outgoing side of the outgoing side of the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b is connected in series with the 1st lower side open contact 22a, the 2nd lower side open contact 22b and the 3rd lower side normally closed contact 23c in lower position detecting sensor consistency check circuit 18, exports from lower position detecting sensor consistency check circuit 18 to supervelocity monitoring unit 14b then.
Top position detecting sensor consistency check circuit 19 is made of following part: 3 safety relaies i.e. the 1st upper side relay (UPA) 21a, the 2nd upper side relay (UPB) 21b and the 3rd upper side relay (UPC) 21c; And the 1st upper side open contact 24a that opens and closes in linkage with the action of the 1st upper side relay (UPA) 21a and the 1st upper side normally closed contact 25a, the 2nd upper side open contact 24b that opens and closes in linkage with the action of the 2nd upper side relay (UPB) 21b and the 2nd upper side normally closed contact 25b and the 3rd upper side open contact 24c and the 3rd upper side normally closed contact 25c that open and close in linkage with the action of the 3rd upper side relay (UPC) 21c.
The outgoing side of the 1st top position detecting sensor (TPA) 16a is connected with the 1st upper side relay (UPA) 21a.Between the 1st top position detecting sensor (TPA) 16a and the 1st upper side relay (UPA) 21a, in series be inserted with the 3rd upper side open contact 24c.And the 2nd upper side open contact 24b connects in parallel with respect to the 3rd upper side open contact 24c.In addition, the outgoing side of the 2nd top position detecting sensor (TPB) 16b is connected with the 2nd upper side relay (UPB) 21b.Between the 2nd top position detecting sensor (TPB) 16b and the 2nd upper side relay (UPB) 21b, in series be inserted with the 3rd upper side open contact 24c.And the 1st upper side open contact 24a connects in parallel with respect to the 3rd upper side open contact 24c.
In addition, the outgoing side of the outgoing side of the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b also is connected with the 3rd upper side relay (UPC) 21c.Between the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b and the 3rd upper side relay (UPC) 21c, in series be inserted with the 1st upper side normally closed contact 25a and the 2nd upper side normally closed contact 25b.And the 3rd upper side open contact 24c connects in parallel with respect to the 1st upper side normally closed contact 25a.
And, the outgoing side of the outgoing side of the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b is connected in series with the 1st upper side open contact 24a, the 2nd upper side open contact 24b and the 3rd upper side normally closed contact 25c in the position-detection sensor consistency check circuit 19 up, exports from top position detecting sensor consistency check circuit 19 to supervelocity monitoring unit 14b then.
Possess the elevator of the terminating layer forced reduction apparatus that constitutes as described above when connecting power supply, move according to the flow process shown in Figure 7 that illustrates later.
In Fig. 2, show lower position detecting sensor consistency check circuit 18 under the following situation and the operating state of top position detecting sensor consistency check circuit 19: after cage 4 is positioned under the undermost state power connection, cage 4 is travelled to the superiors, next travel to orlop, and then travel to the superiors.
At first, be positioned under the undermost situation at cage 4, cage 4 is positioned at than predetermined below terminal location position on the lower.Therefore, all position-detection sensor, namely the 1st lower position detecting sensor (BTA) 15a, the 2nd lower position detecting sensor (BTB) 15b, the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b are not covered by the shield 17 of cage 4.Therefore, from these all position-detection sensor outputs signal is arranged.
And in lower position detecting sensor consistency check circuit 18, under initial condition, the 1st lower side relay (LWA) 20a and the 2nd lower side relay (LWB) 20b are for being released the state of (not by excitation).Like this, the 1st lower side normally closed contact 23a between the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b and the 3rd lower side relay (LWC) 20c and the 2nd lower side normally closed contact 23b closure, therefore, the 3rd lower side relay (LWC) 20c becomes by the state of excitation.
In addition, in the position-detection sensor consistency check circuit 19, under initial condition, the 1st upper side relay (UPA) 21a and the 2nd upper side relay (UPB) 21b are for being released the state of (not by excitation) up.Like this, the 1st upper side normally closed contact 25a between the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b and the 3rd upper side relay (UPC) 21c and the 2nd upper side normally closed contact 25b closure, therefore, the 3rd upper side relay (UPC) 21c becomes by the state of excitation.
Under this state, the 1st lower side open contact 22a and the 2nd lower side open contact 22b disconnect, and the 3rd lower side normally closed contact 23c also disconnects, and therefore, is cut off from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit.In addition, the 1st upper side open contact 24a and the 2nd upper side open contact 24b disconnect, and the 3rd upper side normally closed contact 25c also disconnects, and therefore, also are cut off from 19 outputs towards supervelocity monitoring unit 14b of top position detecting sensor consistency check circuit.Thereby, the state that does not all have output for any one party from lower position detecting sensor consistency check circuit 18 and top position detecting sensor consistency check circuit 19, therefore, in supervelocity monitoring unit 14b, the position probing of cage 4 is indefinite state.
Under this state, if cage 4 is from the orlop rising and close on predetermined below terminal location, then at first the shield 17 of cage 4 covers the 1st lower position detecting sensor (BTA) 15a, is cut off from the output of the 1st lower position detecting sensor (BTA) 15a.Next, shield 17 covers the 2nd lower position detecting sensor (BTB) 15b, thereby becomes the state that the 1st lower position detecting sensor (BTA) 15a and the 2nd the two crested plate 17 of lower position detecting sensor (BTB) 15b cover.Under this state, cage 4 is positioned at predetermined below terminal location, and the two output is cut off from the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b.
And if cage 4 continues to rise, at first shield 17 no longer covers the 1st lower position detecting sensor (BTA) 15a, thus feasible output recovery from the 1st lower position detecting sensor (BTA) 15a.Because the 3rd lower side relay (LWC) 20c is by excitation, the 3rd lower side open contact 22c closure, therefore, when the output of the 1st lower position detecting sensor (BTA) 15a recovered, the 1st lower side relay (LWA) 20a was by excitation.As the 1st lower side relay (LWA) 20a during by excitation, the 1st lower side open contact 22a closure in the lower position detecting sensor consistency check circuit 18, and the 1st lower side normally closed contact 23a disconnects.Thereby the 1st lower side relay (LWA) 20a becomes and carries out the state that the oneself keeps.
And even the 1st lower side normally closed contact 23a disconnects, the 3rd lower side open contact 22c is also closed, and therefore, the 3rd lower side relay (LWC) 20c keeps the state that carries out excitation.Under this state, still be cut off from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit.Thereby in supervelocity monitoring unit 14b, the position probing of cage 4 is kept indefinite state.
When cage 4 further rose, shield 17 also no longer covered the 2nd lower position detecting sensor (BTB) 15b, was also recovered from the output of the 2nd lower position detecting sensor (BTB) 15b.Because the 3rd lower side relay (LWC) 20c is by excitation, the 3rd lower side open contact 22c closure, therefore, when the output from the 2nd lower position detecting sensor (BTB) 15b recovered, the 2nd lower side relay (LWB) 20b was by excitation.As the 2nd lower side relay (LWB) 20b during by excitation, the 2nd lower side open contact 22b closure in the lower position detecting sensor consistency check circuit 18, and the 2nd lower side normally closed contact 23b disconnects.Thereby the 2nd lower side relay (LWB) 20b also becomes and carries out the state that the oneself keeps.
When the 2nd lower side normally closed contact 23b disconnected, the 3rd lower side relay (LWC) 20c was released.When the 3rd lower side relay (LWC) when 20c is released, the 3rd lower side open contact 22c in the lower position detecting sensor consistency check circuit 18 disconnects, and the 3rd lower side normally closed contact 23c closure.Thereby, because the 1st lower side open contact 22a and the 2nd lower side open contact 22b are closed and the 3rd lower side normally closed contact 23c is also closed, therefore, become from lower position detecting sensor consistency check circuit 18 to supervelocity monitoring unit 14b (voltage is higher) state that output has signal.
Like this, if cage 4 rises from the below terminal location, then from lower position detecting sensor consistency check circuit 18 output signals.Thereby supervelocity monitoring unit 14b obtains the signal output from this lower position detecting sensor consistency check circuit 18, rises and leaves from the below terminal location thereby can identify cage 4.And, become such state: have the output from lower position detecting sensor consistency check circuit 18, on the other hand, do not have the output from top position detecting sensor consistency check circuit 19.Supervelocity monitoring unit 14b identifies cage 4 according to the situation of this output and is positioned at the top terminal location.
When the cage 4 that continues to rise closes on the top terminal location, the shield 17 of cage 4 at first covers the 2nd top position detecting sensor (TPB) 16b, then cover the 1st top position detecting sensor (TPA) 16a, thereby become the state that the 1st top position detecting sensor (TPA) 16a and the 2nd the two crested plate 17 of top position detecting sensor (TPB) 16b cover.Under this state, cage 4 is positioned at predetermined top terminal location, and the two output is cut off from the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b.And, still be cut state from top position detecting sensor consistency check circuit 19 towards the output of supervelocity monitoring unit 14b.
If cage 4 further continues to rise, at first, shield 17 no longer covers the 2nd top position detecting sensor (TPB) 16b, thus feasible output recovery from the 2nd top position detecting sensor (TPB) 16b.At this, because the 3rd upper side relay (UPC) 21c is by excitation, the 3rd upper side open contact 24c closure, therefore, when the output from the 2nd top position detecting sensor (TPB) 16b recovered, the 2nd upper side relay (UPB) 21b was by excitation.And, as the 2nd upper side relay (UPB) 21b during by excitation, thereby closed the 2nd upper side relay (UPB) 21b that makes of the 2nd upper side open contact 24b carries out oneself's maintenance, and, thereby the 2nd upper side normally closed contact 25b disconnection discharges the 3rd upper side relay (UPC) 21c.
If cage 4 further rises from this state, then shield 17 also no longer covers the 1st top position detecting sensor (TPA) 16a, is also recovered from the output of the 1st top position detecting sensor (TPA) 16a.Because the 3rd upper side relay (UPC) 21c is released, therefore, even the output of the 1st top position detecting sensor (TPA) 16a recovers, the 1st upper side relay (UPA) 21a is not also still by excitation but keep d/d state.Thereby, still be cut off from 19 outputs towards supervelocity monitoring unit 14b of top position detecting sensor consistency check circuit.
Like this, when cage 4 arrives the superiors from predetermined top terminal location rising, next begin to descend towards orlop.And when cage 4 closed on predetermined top terminal location, at first, the shield 17 of cage 4 covered the 1st top position detecting sensor (TPA) 16a, was cut off from the output of the 1st top position detecting sensor (TPA) 16a.Next, shield 17 covers the 2nd top position detecting sensor (TPB) 16b, thereby becomes the state that the 1st top position detecting sensor (TPA) 16a and the 2nd the two crested plate 17 of top position detecting sensor (TPB) 16b cover.Under this state, cage 4 is positioned at predetermined top terminal location, and the two output is cut off from the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b.
Like this, along with the output from the 2nd top position detecting sensor (TPB) 16b is cut off, the 2nd upper side relay (UPB) 21b is released.When the 2nd upper side relay (UPB) when 21b is released, the 2nd upper side normally closed contact 25b closure, therefore the 3rd upper side relay (UPC) 21c is by excitation.
And if cage 4 continues to descend, at first shield 17 no longer covers the 1st top position detecting sensor (TPA) 16a, thus feasible output recovery from the 1st top position detecting sensor (TPA) 16a.Because the 3rd upper side relay (UPC) 21c is by excitation, the 3rd upper side open contact 24c closure, therefore, when the output of the 1st top position detecting sensor (TPA) 16a recovered, the 1st upper side relay (UPA) 21a was by excitation.As the 1st upper side relay (UPA) 21a during by excitation, closed and the 1st upper side normally closed contact 25a of the 1st upper side open contact 24a disconnects.Thereby the 1st upper side relay (UPA) 21a becomes and carries out the state that the oneself keeps.
At this, even the 1st upper side normally closed contact 25a disconnects, the 3rd upper side open contact 24c is also closed, and therefore, the 3rd upper side relay (UPC) 21c keeps the state that carries out excitation.Under this state, still be cut off from 19 outputs towards supervelocity monitoring unit 14b of top position detecting sensor consistency check circuit.Thereby, in supervelocity monitoring unit 14b, keep the state that cage 4 is positioned at the top terminal location that identifies.
If cage 4 further descends, then shield 17 also no longer covers the 2nd top position detecting sensor (TPB) 16b, is also recovered from the output of the 2nd top position detecting sensor (TPB) 16b.Because the 3rd upper side relay (UPC) 21c is by excitation, the 3rd upper side open contact 24c closure, therefore, when the output of the 2nd top position detecting sensor (TPB) 16b recovered, the 2nd upper side relay (UPB) 21b was by excitation.As the 2nd upper side relay (UPB) 21b during by excitation, closed and the 2nd upper side normally closed contact 25b of the 2nd upper side open contact 24b disconnects.Thereby the 2nd upper side relay (UPB) 21b also becomes and carries out the state that the oneself keeps.
When the 2nd upper side normally closed contact 25b disconnected, the 3rd upper side relay (UPC) 21c was released.When the 3rd upper side relay (UPC) when 21c is released, the 3rd upper side open contact 24c disconnects and the 3rd upper side normally closed contact 25c closure.Thereby, because the 1st upper side open contact 24a and the 2nd upper side open contact 24b are closed and the 3rd upper side normally closed contact 25c is also closed, therefore, become from top position detecting sensor consistency check circuit 19 to supervelocity monitoring unit 14b the state that output has signal.
Like this, if cage 4 descends and leaves from the top terminal location, then from top position detecting sensor consistency check circuit 19 output signals.Thereby supervelocity monitoring unit 14b obtains the signal output from this top position detecting sensor consistency check circuit 19, descends and leaves from the top terminal location thereby can identify cage 4.And, become that all there is the state of output in the two from lower position detecting sensor consistency check circuit 18 and top position detecting sensor consistency check circuit 19.Supervelocity monitoring unit 14b identifies the centre that cage 4 is positioned at the terminal location of above and below according to the situation of this output.
When having carried out once the cage that travels 4 from orlop to the superiors when closing on predetermined below terminal location again, the shield 17 of cage 4 at first covers the 2nd lower position detecting sensor (BTB) 15b.Like this, be cut off from the output of the 2nd lower position detecting sensor (BTB) 15b, so far, the 2nd lower side relay (LWB) 20b that has been subjected to excitation is released.When the 2nd lower side relay (LWB) when 20b is released, the 2nd lower side open contact 22b disconnects, and therefore, is cut off from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit.
And, when cage 4 arrives predetermined below terminal location and when making the 1st lower position detecting sensor (BTA) 15a also crested plate 17 covering, also be cut off from the output of the 1st lower position detecting sensor (BTA) 15a.Like this, the 1st lower side relay (LWA) 20a that has been subjected to excitation is released.When the 1st lower side relay (LWA) when 20a is released, the 1st lower side normally closed contact 23a closure, therefore the 3rd lower side relay (LWC) 20c is by excitation.
When cage 4 further descends and when making the 2nd lower position detecting sensor (BTB) 15b no longer crested plate 17 covering, output from the 2nd lower position detecting sensor (BTB) 15b recovers, thereby makes the 2nd lower side relay (LWB) 20b by excitation.As the 2nd lower side relay (LWB) 20b during by excitation, the 2nd lower side normally closed contact 23b disconnects, and therefore the 3rd lower side relay (LWC) 20c is released.
And, make if cage 4 continues to descend the 1st lower position detecting sensor (BTA) 15a no longer crested plate 17 cover, then the output from the 1st lower position detecting sensor (BTA) 15a recovers., at this constantly, the 3rd lower side relay (LWC) 20c is not by excitation, and therefore the 3rd lower side open contact 22c disconnects.Thereby even recover from the output of the 1st lower position detecting sensor (BTA) 15a, the 1st lower side relay (LWA) 20a is not also by excitation.Therefore, keep cut state from lower position detecting sensor consistency check circuit 18 towards the output of supervelocity monitoring unit 14b.
Like this, after terminal location arrived orlop below cage 4 processes, if cage 4 begins to rise again, then at first the 1st lower position detecting sensor (BTA) 15a crested plate 17 covered.And, next the 2nd lower position detecting sensor (BTB) 15b also crested plate 17 cover, when the two output was cut off from the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b, the 3rd lower side relay (LWC) 20c was by excitation.
The 3rd lower side relay (LWC) 20c by the state of excitation under, if cage 4 rises, make the 1st lower position detecting sensor (BTA) 15a no longer crested plate 17 cover, thereby make the output from the 1st lower position detecting sensor (BTA) 15a recover, then the 1st lower side relay (LWA) 20a is by excitation and carry out oneself maintenance.In addition, make if cage 4 further rises the 2nd lower position detecting sensor (BTB) 15b also no longer crested plate 17 cover, thereby make the output from the 2nd lower position detecting sensor (BTB) 15b also recover, then the 2nd lower side relay (LWB) 20b is also by excitation and carry out oneself maintenance.
By the stage of excitation, what be cut off is recovered from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit at the 2nd lower side relay (LWB) 20b.Like this, from cage 4 through terminal location below predetermined and arrive orlop begin to rise and pass through again below terminal location above till during in, only from top position detecting sensor consistency check circuit 19 output signals, lower position detecting sensor consistency check circuit 18 does not have output signal.Supervelocity monitoring unit 14b identifies cage 4 according to the situation of this output and is positioned at the below terminal location.
And, when cage 4 moves to the top of below terminal location, output from lower position detecting sensor consistency check circuit 18 recovers, all there is the state of output in the two from lower position detecting sensor consistency check circuit 18 and top position detecting sensor consistency check circuit 19 thereby become, therefore, supervelocity monitoring unit 14b identifies the centre that cage 4 is positioned at the terminal location of above and below.
Then, when cage 4 rises and arrive the top terminal location, output from top position detecting sensor consistency check circuit 19 is cut off, become the state that signal is only arranged from 18 outputs of lower position detecting sensor consistency check circuit, supervelocity monitoring unit 14b identifies cage 4 and is positioned at the top terminal location.And, when coming the below of top terminal location when cage 4 declines, output from top position detecting sensor consistency check circuit 19 recovers, and therefore, supervelocity monitoring unit 14b identifies the centre that cage 4 is positioned at the terminal location of above and below.
Like this, cage 4 is turned round once from orlop to the superiors, thereby utilize shield 17 that the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b and the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b are covered once, the operating state with lower position detecting sensor consistency check circuit 18 and top position detecting sensor consistency check circuit 19 resets thus.And supervelocity monitoring unit 14b identifies the position of cage 4 based on the output of these consistency check circuit.
Namely, under only having output from lower position detecting sensor consistency check circuit 18 and not having situation from the output of top position detecting sensor consistency check circuit 19, supervelocity monitoring unit 14b identifies cage 4 and is positioned at the top terminal location.In addition, on the contrary, do not exist only having output from top position detecting sensor consistency check circuit 19 under the situation from the output of lower position detecting sensor consistency check circuit 18, supervelocity monitoring unit 14b identifies cage 4 and is positioned at the below terminal location.And in that the two all exists under the situation of output from lower position detecting sensor consistency check circuit 18 and top position detecting sensor consistency check circuit 19, supervelocity monitoring unit 14b identifies cage 4 and is positioned at midway location.
And, as described above, up to the terminating layer running that behind power connection, makes cage 4 from terminating layer to opposition side once, thereby till utilizing shield 17 that each position-detection sensor is all covered, do not identify cage 4 and be positioned at midway location, be positioned at terminal location but identify cage 4.Therefore, until at cage behind the power connection 4 till round trip between two terminating layers, operation control part 14a need be set at the maximum speed of cage 4 speed corresponding with energy disperser (bumper) (below, be called " bumper corresponding speed "), rather than command speed.
The flow process of the processing of the operation control part 14a the when diagram of circuit of Fig. 3 shows this power connection.
When power connection, at first, in step S1, operation control part 14a exhales ladder or landing call to confirm to whether having registered car.And, there is car to exhale under the situation of ladder or landing call in registration, in step S2, maximum speed is set at the bumper corresponding speed, in step S3, operation control part 14a responds the exhaling ladder of this registration and cage 4 is travelled then.
Unregistered when having car to exhale ladder or landing call in step S1, perhaps response is exhaled ladder and after cage 4 is travelled, is entered step S4 in step S3.In this step S4, whether the cage 4 of operation control part 14a stops at orlop is confirmed.Stop at cage 4 and to enter step S5 under the undermost situation, operation control part 14a travels to the superiors cage 4 with the bumper corresponding speed.And in following step S6, operation control part 14a exhales ladder or landing call to confirm to whether having registered car.
In this step S6, when having car to exhale ladder or landing call, in step S7, operation control part 14a travels to orlop cage 4 with the bumper corresponding speed when unregistered, in step S8 maximum speed is set at command speed then, a series of processing finishes.On the other hand, in step S6, have car to exhale under the situation of ladder or landing call in registration, in step S9, operation control part 14a responds the exhaling ladder of this registration and cage 4 is travelled.
And in following step S10, whether the cage 4 of operation control part 14a stops at orlop is confirmed, stop under the undermost situation at cage 4, enter step S8, maximum speed is set at command speed, a series of processing finishes.On the other hand, do not stop under the undermost situation at cage 4, return step S6.
On the other hand, in step S4, do not stop under the undermost situation at cage 4, enter step S11.And whether operation control part 14a stops at the superiors to cage 4 in step S11 confirms, does not stop at cage 4 under the situation of the superiors, in step S12 whether cage 4 is stopped at interlayer and confirms.In step S11 cage 4 stop under the situation of the superiors or in step S12 cage 4 stop under the situation of interlayer, enter step S13.
In step S13, operation control part 14a travels to orlop cage 4 with the bumper corresponding speed.And in following step S14, operation control part 14a exhales ladder or landing call to confirm to whether having registered car.In this step S14, when unregistered when having car to exhale ladder or landing call, operation control part 14a travels to the superiors cage 4 with the bumper corresponding speed in step S15, in step S8 maximum speed is set at command speed then, and a series of processing finishes.
On the other hand, in step S14, have car to exhale under the situation of ladder or landing call in registration, operation control part 14a responds the exhaling ladder of this registration and cage 4 is travelled in step S16.And in following step S17, whether the cage 4 of operation control part 14a stops at the superiors is confirmed, stop at cage 4 under the situation of the superiors, enter step S8, maximum speed is set at command speed, a series of processing finishes.On the other hand, do not stop at cage 4 under the situation of the superiors, return step S14.
As described above, the terminating layer forced reduction apparatus of this embodiment below terminal and above terminal be respectively equipped with two position-detection sensors, the output of these position-detection sensors is inputed to supervelocity monitoring unit 14b by the consistency check circuit, identify cage 4 thus and whether be positioned at predetermined terminal location.In the terminating layer forced reduction apparatus that constitutes like this, show during being arranged at two position-detection sensors of same end side any one from Fig. 4 to Fig. 7 and produce action under the unusual situation, lower position detecting sensor consistency check circuit 18 and top position detecting sensor consistency check circuit 19.
At first, figure 4 illustrates following situation: the ON fault has taken place in the 1st lower position detecting sensor (BTA) 15a in two lower position detecting sensors, i.e. the fault of output signal constantly always.And, at this, suppose behind power connection, turn round from orlop at cage 4 and to the superiors, fault has taken place.Thereby up to behind power connection, cage 4 turns round to the superiors from orlop, then cage 4 from the superiors drop to predetermined below terminal location nearby till, all identical with Fig. 2, thus omit its explanation.
When cage 4 closed on predetermined below terminal location, the shield 17 of cage 4 at first covered the 2nd lower position detecting sensor (BTB) 15b.Like this, be cut off from the output of the 2nd lower position detecting sensor (BTB) 15b, so far, the 2nd lower side relay (LWB) 20b that has been subjected to excitation is released.When the 2nd lower side relay (LWB) when 20b is released, the 2nd lower side open contact 22b disconnects, and therefore, is cut off from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit.
Next, cage 4 arrives predetermined below terminal location, and the 1st lower position detecting sensor (BTA) 15a also crested plate 17 covers., because the ON fault has taken place the 1st lower position detecting sensor (BTA) 15a, therefore be not cut off from the output of the 1st lower position detecting sensor (BTA) 15a but exist.Therefore, the 1st lower side relay (LWA) 20a keeps by the state of excitation.Thereby, the state that the 1st lower side normally closed contact 23a remains open, the 3rd lower side relay (LWC) 20c can be by excitation.
Thereby if cage 4 further descend make the 2nd lower position detecting sensor (BTB) 15b no longer crested plate 17 cover, then the output from the 2nd lower position detecting sensor (BTB) 15b recovers., because the 3rd lower side relay (LWC) 20c is by excitation, therefore, the 3rd lower side open contact 22c is disconnected, and the 2nd lower side relay (LWB) 20b is not by excitation.
Like this, if the ON fault takes place in the 1st lower position detecting sensor (BTA) 15a, then when the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b crested plate 17 cover, the 1st lower side relay (LWA) 20a keeps by the state of excitation, and the 2nd lower side relay (LWB) 20b and the 3rd lower side relay (LWC) 20c are no longer by excitation.This situation cage 4 rise from orlop and by below also be identical during terminal location.Thereby, even cage 4 rises and by the below terminal location from orlop, can be from lower position detecting sensor consistency check circuit 18 output signals yet.
Namely, even take place at the 1st lower position detecting sensor (BTA) 15a under the situation of ON fault, when cage 4 drops to predetermined below terminal location, also be cut off from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit.Therefore, supervelocity monitoring unit 14b can identify cage 4 be positioned at the below terminal location.But, even cage 4 is from the orlop rising and by the below terminal location, also not from lower position detecting sensor consistency check circuit 18 output signals, therefore, supervelocity monitoring unit 14b keeps such state: identify cage 4 and be positioned at the below terminal location.
This state means that the position of cage 4 is by supervelocity monitoring unit 14b wrong identification., this wrong identification is identified in secure side rather than in hazardous side.That is, continue because the maximum speed of elevator is set to the state of the bumper corresponding speed slower than command speed, therefore can guarantee safety.
Fig. 5 shows the situation that the ON fault has taken place for the 2nd lower position detecting sensor (BTB) 15b in two lower position detecting sensors.At this, identical with the situation of Fig. 4, suppose behind power connection, turn round from orlop at cage 4 and to the superiors, fault has taken place.Thereby up to behind power connection, cage 4 turns round to the superiors from orlop, then cage 4 from the superiors drop to predetermined below terminal location nearby till, all identical with Fig. 2.
In this case, when the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b crested plate 17 cover, the 2nd lower side relay (LWB) 20b keeps by the state of excitation, and the 1st lower side relay (LWA) 20a and the 3rd lower side relay (LWC) 20c are no longer by excitation.Thereby, the situation that the ON fault takes place with the 1st lower position detecting sensor (BTA) 15a of front is identical, even cage 4 is from the orlop rising and by the below terminal location, also not from lower position detecting sensor consistency check circuit 18 output signals.
Namely, even take place at the 2nd lower position detecting sensor (BTB) 15b under the situation of ON fault, when cage 4 drops to predetermined below terminal location, also be cut off from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit.Therefore, supervelocity monitoring unit 14b can identify cage 4 be positioned at the below terminal location.And, even cage 4 is from the orlop rising and by the below terminal location, also not from lower position detecting sensor consistency check circuit 18 output signals, therefore, supervelocity monitoring unit 14b keeps such state: identify cage 4 and be positioned at the below terminal location.Thereby, because the position at secure side identification cage 4, therefore, the situation that the ON fault takes place with the 1st lower position detecting sensor (BTA) 15a of front is identical, can when guaranteeing safety, identify cage 4 dropped to predetermined below terminal location.
Figure 6 illustrates following situation: the OFF fault has taken place in the 1st lower position detecting sensor (BTA) 15a in two lower position detecting sensors, i.e. the fault of output signal no longer.At this, also the situation with the front is identical, supposes behind power connection, turns round from orlop at cage 4 and to the superiors fault has taken place.Thereby up to behind power connection, cage 4 turns round to the superiors from orlop, then cage 4 from the superiors drop to predetermined below terminal location nearby till, all identical with Fig. 2.
When cage 4 closed on predetermined below terminal location, the shield 17 of cage 4 at first covered the 2nd lower position detecting sensor (BTB) 15b.Like this, be cut off from the output of the 2nd lower position detecting sensor (BTB) 15b, so far, the 2nd lower side relay (LWB) 20b that has been subjected to excitation is released.When the 2nd lower side relay (LWB) when 20b is released, the 2nd lower side open contact 22b disconnects, and therefore, is cut off from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit.
Next, when cage 4 arrives predetermined below terminal location and when making the 1st lower position detecting sensor (BTA) 15a also crested plate 17 covering, also be cut off from the output of the 1st lower position detecting sensor (BTA) 15a.Like this, the 1st lower side relay (LWA) 20a that has been subjected to excitation is released.When the 1st lower side relay (LWA) when 20a is released, the 1st lower side normally closed contact 23a closure, therefore the 3rd lower side relay (LWC) 20c is by excitation.
Then, when cage 4 descended, the 2nd lower position detecting sensor (BTB) 15b and the 1st lower position detecting sensor (BTA) 15a no longer crested plate 17 covered.At this moment, output from the 2nd lower position detecting sensor (BTB) 15b recovers, but because the OFF fault has taken place the 1st lower position detecting sensor (BTA) 15a, therefore, after this can not recover from the output of the 1st lower position detecting sensor (BTA) 15a.
Thereby if the OFF fault takes place the 1st lower position detecting sensor (BTA) 15a, then the 1st lower side relay (LWA) 20a is no longer by excitation.Thereby, the state that the 1st lower side open contact 22a remains open, therefore, even cage 4 is from the orlop rising and by the below terminal location, also no longer from lower position detecting sensor consistency check circuit 18 output signals.
Namely, even take place at the 1st lower position detecting sensor (BTA) 15a under the situation of OFF fault, when cage 4 drops to predetermined below terminal location, also be cut off from 18 outputs towards supervelocity monitoring unit 14b of lower position detecting sensor consistency check circuit.Therefore, supervelocity monitoring unit 14b can identify cage 4 be positioned at the below terminal location.And, even cage 4 is from the orlop rising and by the below terminal location, also not from lower position detecting sensor consistency check circuit 18 output signals, therefore, supervelocity monitoring unit 14b keeps such state: identify cage 4 and be positioned at the below terminal location.Thereby, therefore identical with the situation of the ON fault of front because in the position of secure side identification cage 4, can when guaranteeing safety, identify cage 4 dropped to predetermined below terminal location.
And, taken place under the situation of OFF fault at the 2nd lower position detecting sensor (BTB) 15b shown in Figure 7, though omit detailed explanation, be identical with the situation of front.
In addition, more than the situation of any one party et out of order among the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b is illustrated, but also be identical for the situation of any one party et out of order among the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b.
The terminating layer forced reduction apparatus of the elevator of Gou Chenging is as described above, cage 4 be positioned at apart from the predetermined distance of the terminal of hoistway with the position time, namely, cage be positioned at than below terminal location on the lower end side the position or than above terminal location lean on above under the situation of position of end side, when the speed of cage 4 when predefined predetermined speed is above, supervelocity monitoring unit 14b output is used for braking instruction that cage 4 is slowed down.
And two position-detection sensors (the 1st lower position detecting sensor (BTA) 15a and the 2nd lower position detecting sensor (BTB) 15b or the 1st top position detecting sensor (TPA) 16a and the 2nd top position detecting sensor (TPB) 16b) lift path along cage 4 in hoistway 1 that is used for the shield 17 as action plate of being located at cage 4 is detected is arranged setting.
And, possesses the consistency check circuit, it is according to the two the output of two position-detection sensors, under described both situation of output unanimity, make the output counter-rotating from self, supervelocity monitoring unit 14b according to identify from the output of consistency check circuit cage 4 whether be positioned at apart from the predetermined distance of the terminal of hoistway 1 with the position.
At this, the two the state of output unanimity of two position-detection sensors is following such state: for example as shown in Figure 2, if the output from the side among both is cut off, then the output of following from the opposing party also is cut off, if the output from the side among both recovers, then the output of following from the opposing party also recovers.Under the situation of output unanimity from both like this, make the output counter-rotating from consistency check circuit self, that is, under the situation that signal is arranged from the output of consistency check circuit, should export cut-out, and under from the cut situation of the output of consistency check circuit, output be recovered.
Therefore, need not to use cam just can detect cage and whether be positioned at terminal location, can make to install to adjust and oversimplify, install the needed time of adjusting thereby can shorten.In addition, at this moment, by using two position-detection sensors and consistency check circuit, can under the situation that position-detection sensor self is not arranged fault detection capability, guarantee higher reliability.In addition, owing to do not use cam, can suppress the needed expenses such as manufacturing of equipment lower.
In addition, finished the output that detects this content of action plate and described both the inconsistent situation of output from least one side of two position-detection sensors the two under, the consistency check circuit carries out such output: this output make supervelocity monitoring unit 14b identify cage 4 be positioned at apart from the described predetermined distance of the terminal of hoistway 1 with the position, that is, the consistency check circuit will be exported cut-out.
At this, the two the state of output inconsistent (consistent) of two position-detection sensors is following such state: for example as Fig. 4 extremely shown in Figure 7, although be cut off from the output of the side among both, be not cut off from the opposing party's output; Perhaps opposite, although recover from the output of the side among both, from the opposing party's not recovery of output.Taking place under so consistent situation, be cut off from the output of consistency check circuit, supervelocity monitoring unit 14b identifies cage 4 and is positioned at terminal location up and down.
Therefore, though the side in two position-detection sensors take place under the unusual situation, thereby also can judge in secure side and guarantee safety, identify cage simultaneously and dropped to terminal location.
Fig. 8 is the figure of embodiments of the present invention 2, and is the figure that the integral structure to the terminating layer forced reduction apparatus of elevator describes.
As previously mentioned, in embodiment 1, for the operating state of position-detection sensor consistency check circuit being set when the power connection, need make cage carry out the once running of the terminating layer from terminating layer to opposition side, thereby utilize shield that each position-detection sensor is all covered once.This also is being identical when have a power failure waiting restoring electricity after causing power supply to be cut off.That is, if cause power supply to be cut off because power failure waits, then the excitation of the relay of position-detection sensor consistency check circuit all is disengaged.And, if when restoring electricity, do not make cage carry out the once running of the terminating layer from terminating layer to opposition side, then can't normally identify the position of cage.
Therefore, possess battery at this embodiment that describes 2, described battery is used for waiting the operating state that causes the relay before power supply is about to be cut off of holding position detecting sensor consistency check circuit under the cut situation of power supply because having a power failure.
That is, as shown in Figure 8, battery 26 is connected in lower position detecting sensor consistency check circuit 18 and top position detecting sensor consistency check circuit 19.Causing under the cut situation of power supply because have a power failure waiting, from this battery 26 to these position-detection sensor consistency check circuit supply capabilities.And, keep by means of action (excitation) state of the electric power of supplying with from this battery 26 to each relay of position-detection sensor consistency check circuit.
And other structure is identical with embodiment 1 with action, omits its detailed explanation.
As described above in the terminating layer forced reduction apparatus of the elevator of Gou Chenging, can play the effect identical with embodiment 1, on this basis, even causing under the cut situation of power supply because power failure waits, also can the operating state of the relay of position-detection sensor consistency check circuit be kept, thereby when restoring electricity, need not to make cage to carry out the once running of the terminating layer from terminating layer to opposition side, just can normally identify the position of cage.
Utilizability on the industry
The present invention can utilize in the terminating layer forced reduction apparatus of the elevator with following such supervelocity monitoring unit: if be positioned at apart from the predetermined distance of the terminal of hoistway with the position time the speed of cage reach predefined predetermined speed, then described supervelocity monitoring unit output is used for braking instruction that cage is slowed down.
Label declaration
1: hoistway;
2: machine room;
3: pit;
4: cage;
5: counterweight;
6: towing machine;
6a: drive rope sheave;
6b: drg;
7: main rope;
8: velocity limiter;
9: tension wheel;
10: overspeed governor;
11: speed detector;
11a: speed detection signal;
12: car buffer;
13: counterweight buffer;
14: control panel;
14a: operation control part;
14b: supervelocity monitoring unit;
15a: the 1st lower position detecting sensor (BTA);
15b: the 2nd lower position detecting sensor (BTB);
16a: the 1st top position detecting sensor (TPA);
16b: the 2nd top position detecting sensor (TPB);
17: shield;
18: lower position detecting sensor consistency check circuit;
19: top position detecting sensor consistency check circuit;
20a: the 1st lower side relay (LWA);
20b: the 2nd lower side relay (LWB);
20c: the 3rd lower side relay (LWC);
21a: the 1st upper side relay (UPA);
21b: the 2nd upper side relay (UPB);
21c: the 3rd upper side relay (UPC);
22a: the 1st lower side open contact;
22b: the 2nd lower side open contact;
22c: the 3rd lower side open contact;
23a: the 1st lower side normally closed contact;
23b: the 2nd lower side normally closed contact;
23c: the 3rd lower side normally closed contact;
24a: the 1st upper side open contact;
24b: the 2nd upper side open contact;
24c: the 3rd upper side open contact;
25a: the 1st upper side normally closed contact;
25b: the 2nd upper side normally closed contact;
25c: the 3rd upper side normally closed contact;
26: battery.
Claims (according to the modification of the 19th of treaty)
1.(the modification back) a kind of terminating layer forced reduction apparatus of elevator, described elevator has:
Cage, described cage is configured in the hoistway of elevator in lifting mode freely; With
The supervelocity monitoring unit, described cage be positioned at the distance predetermined apart from the terminal of described hoistway with the position time the speed of described cage be under the situation more than the predefined predetermined speed, described supervelocity monitoring unit output is used for making the braking instruction of described cage deceleration
The terminating layer forced reduction apparatus of described elevator is characterised in that,
The terminating layer forced reduction apparatus of described elevator possesses:
Action plate, described action plate is arranged at described cage;
Two position-detection sensors, described two position-detection sensors are arranged along the lift path of described cage and are arranged in the described hoistway, for detection of described action plate; And
The consistency check circuit, according to the two the output of described two position-detection sensors, under described both situation of output unanimity, described consistency check circuit makes the output counter-rotating from self,
Finished the output that detects described this content of action plate and described both the inconsistent situation of output from described at least one side both under, described consistency check circuit carries out such output: this output make described supervelocity monitoring unit identify described cage be positioned at the described predetermined distance of terminal apart from described hoistway with the position
Described supervelocity monitoring unit according to identify from the output of described consistency check circuit described cage whether be positioned at apart from the described predetermined distance of the terminal of described hoistway with the position.
2.(deletion)
3.(deletion)
4.(the modification back) the terminating layer forced reduction apparatus of elevator according to claim 1 is characterized in that,
Described consistency check circuit carries out such output: this output makes under the initial condition when the power connection of elevator, described supervelocity monitoring unit identify described cage be positioned at apart from the described predetermined distance of the terminal of described hoistway with the position.
5. the terminating layer forced reduction apparatus of elevator according to claim 4 is characterized in that,
The terminating layer forced reduction apparatus of described elevator possesses the operation control part for the operation of the described cage of control,
Described operation control part is set in the maximum speed of described cage below the described predetermined speed when the power connection of elevator.
6. the terminating layer forced reduction apparatus of elevator according to claim 5 is characterized in that,
Described operation control part makes described cage automatically come and go running between terminating layer up and down behind the power connection of elevator, after this maximum speed with described cage is set at command speed.
7.(deletion)
8.(deletion)
Illustrate or state (according to the modification of the 19th of treaty)
Added in claim 1 that claim 2 puts down in writing " finished the output that detects described this content of action plate and described both the inconsistent situation of output from described at least one side both under, described consistency check circuit carries out such output: this output make described supervelocity monitoring unit identify described cage be positioned at apart from the described predetermined distance of the terminal of described hoistway with the position " structure.
And, deleted claim 2,3,7,8.
Claims (8)
1. the terminating layer forced reduction apparatus of an elevator, described elevator has:
Cage, described cage is configured in the hoistway of elevator in lifting mode freely; With
The supervelocity monitoring unit, described cage be positioned at the distance predetermined apart from the terminal of described hoistway with the position time the speed of described cage be under the situation more than the predefined predetermined speed, described supervelocity monitoring unit output is used for making the braking instruction of described cage deceleration
The terminating layer forced reduction apparatus of described elevator is characterised in that,
The terminating layer forced reduction apparatus of described elevator possesses:
Action plate, described action plate is arranged at described cage;
Two position-detection sensors, described two position-detection sensors are arranged along the lift path of described cage and are arranged in the described hoistway, for detection of described action plate; And
The consistency check circuit, according to the two the output of described two position-detection sensors, under described both situation of output unanimity, described consistency check circuit makes the output counter-rotating from self,
Described supervelocity monitoring unit according to identify from the output of described consistency check circuit described cage whether be positioned at apart from the described predetermined distance of the terminal of described hoistway with the position.
2. the terminating layer forced reduction apparatus of elevator according to claim 1 is characterized in that,
Finished the output that detects described this content of action plate and described both the inconsistent situation of output from described at least one side both under, described consistency check circuit carries out such output: this output make described supervelocity monitoring unit identify described cage be positioned at apart from the described predetermined distance of the terminal of described hoistway with the position.
3. according to the terminating layer forced reduction apparatus of any described elevator in claim 1 and the claim 2, it is characterized in that,
Described consistency check circuit is made of safety relay.
4. according to the terminating layer forced reduction apparatus of any described elevator of claim 1 to the claim 3, it is characterized in that,
Described consistency check circuit carries out such output: this output makes under the initial condition when the power connection of elevator, described supervelocity monitoring unit identify described cage be positioned at apart from the described predetermined distance of the terminal of described hoistway with the position.
5. the terminating layer forced reduction apparatus of elevator according to claim 4 is characterized in that,
The terminating layer forced reduction apparatus of described elevator possesses the operation control part for the operation of the described cage of control,
Described operation control part is set in the maximum speed of described cage below the described predetermined speed when the power connection of elevator.
6. the terminating layer forced reduction apparatus of elevator according to claim 5 is characterized in that,
Described operation control part makes described cage automatically come and go running between terminating layer up and down behind the power connection of elevator, after this maximum speed with described cage is set at command speed.
7. according to the terminating layer forced reduction apparatus of any described elevator of claim 1 to the claim 6, it is characterized in that,
The terminating layer forced reduction apparatus of described elevator possesses battery, and when elevator was cut off the electricity supply, described battery was to described consistency check circuit supply capability.
8. according to the terminating layer forced reduction apparatus of any described elevator of claim 1 to the claim 7, it is characterized in that,
Do not detecting under the situation of described action plate, described two position-detection sensors are output as the higher relatively state of current potential, are detecting under the situation of described action plate, and described two position-detection sensors are output as the relatively low state of current potential.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2010/073527 WO2012090264A1 (en) | 2010-12-27 | 2010-12-27 | Termination floor forced deceleration device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103282298A true CN103282298A (en) | 2013-09-04 |
| CN103282298B CN103282298B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201080070968.1A Active CN103282298B (en) | 2010-12-27 | 2010-12-27 | Termination floor forced deceleration device for elevator |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2660179B1 (en) |
| JP (1) | JP5541372B2 (en) |
| KR (1) | KR101447399B1 (en) |
| CN (1) | CN103282298B (en) |
| WO (1) | WO2012090264A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112015006721T5 (en) * | 2015-07-22 | 2018-04-12 | Mitsubishi Electric Corporation | LIFT DEVICE |
| JP7292480B1 (en) | 2022-08-04 | 2023-06-16 | 三菱電機ビルソリューションズ株式会社 | elevator safety device |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2660179A1 (en) | 2013-11-06 |
| KR20130061758A (en) | 2013-06-11 |
| JP5541372B2 (en) | 2014-07-09 |
| EP2660179A4 (en) | 2017-11-15 |
| JPWO2012090264A1 (en) | 2014-06-05 |
| WO2012090264A1 (en) | 2012-07-05 |
| EP2660179B1 (en) | 2020-12-16 |
| KR101447399B1 (en) | 2014-10-06 |
| CN103282298B (en) | 2015-07-08 |
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