CN105967006A - Elevator - Google Patents

Abstract

The invention relates to an elevator, and aims to provide the elevator capable of preventing unprepared stop caused by self-diagnose of a safety device; the elevator comprises a lifting motion signal output portion, a position detection portion, a safety circuit, a controller and the safety device; when the elevator is working and the elevator is closed in standby state, the processing portion of the safety device can determine whether abnormity causing elevator malfunction exists or not, wherein the abnormities comprise whether melt-glue happens on joints or not, and/or whether the processing portion and/or storage portion, and input/output portion forming the safety device have malfunction or not.

Description

Elevator

Technical field

Embodiments of the present invention relate to elevator.

Background technology

In the past, elevator possessed the safety device for carrying out safe handling.As safety device, it is known that Mechanical safety device, employ microcomputer and software etc. electronic safety device (hreinafter referred to as Safety device).Safety device can realize the security function equal with mechanical safety device cheaply. Safety device has in the case of Lift out of order the contact of the safety circuit making cut-out elevator and disconnects Function.It addition, safety device has the abnormal speed at the car detected at the terminating layer of elevator In the case of make the function as terminating layer forced reduction apparatus that car slows down.Terminating layer forced deceleration Device is at the sedan-chair as the car position being provided with detection elevator near the superiors of terminating layer, orlop Railway carriage or compartment position detection unit.Such safety device has the phase depending on fault-free for each function of composition itself Carry out self diagnosis.

Summary of the invention

In the case of safety device has carried out having trouble-free self diagnosis in elevator travels, tie based on it Really, it is possible to while in elevator travels but makes cut-out safety circuit contact disconnect and off hand Stopped elevator.

The purpose of present embodiment is, it is provided that a kind of can suppress the self diagnosis due to safety device and Stop the elevator of this situation of elevator off hand.

The elevator of embodiment possess lifting action signal output unit, position detection part, safety circuit, Control device and safety device.The output of lifting action signal output unit represents the liter of the lifting action of elevator Fall actuating signal.Position detection part in the elevating road of described elevator interval and arrange, detect sedan-chair The position in railway carriage or compartment.Safety circuit makes the operating of described elevator stop by break.Control device control Make the operating of described elevator.Safety device arranges independent of described control device, and has process portion, This process portion in the case of it is determined that the exception that the safe handling to described elevator brings obstacle, The output of described safety circuit is made the control signal that described contact disconnects.Control device output and represent described Elevator whether be in close the door stop standby in the 1st signal.Described process portion is based on from described lifting Actuating signal output unit input described lifting action signal and from described control device input described in 1st signal determining be described elevator be not at travel in and described elevator be in close the door stopping standby in In the case of, it is determined that the exception of obstacle is brought with or without the safe handling to described elevator, described with or without giving The safe handling of described elevator bring the exception of obstacle include for described contact with or without fusible and/ Or include described process portion and/or storage part, each structure in input and output portion to constituting described safety device Have without exception for becoming device.

According to the elevator of above-mentioned composition, by being not at travelling at elevator and elevator is in stopping of closing the door The self diagnosis of safety device is carried out, it is possible to suppression is due to the self diagnosis of safety device in the case of in standby And stop this situation of elevator off hand.

Accompanying drawing explanation

Fig. 1 is the block diagram being monolithically fabricated of the elevator representing that embodiment 1 relates to.

Fig. 2 is the flow chart of the information processing controlled in device representing the elevator shown in Fig. 1.

Fig. 3 is the block diagram of the safety device representing the elevator shown in Fig. 1.

Fig. 4 is the flow chart of the information processing in the safety device representing the elevator shown in Fig. 1.

Fig. 5 is the flow chart of the information processing in the safety device representing the elevator shown in Fig. 1.

Fig. 6 is the flow chart of the information processing in the safety device representing the elevator shown in Fig. 1.

Fig. 7 is the flow chart of the information processing in the safety device of the elevator representing that embodiment 2 relates to.

Detailed description of the invention

Hereinafter, the present invention is described in detail referring to the drawings.Additionally, embodiment disclosed below is example Showing, the scope of invention is not limited to this.It addition, the element bag in embodiment disclosed below Include the element that those skilled in the art can be readily apparent that or be substantially the same.

[embodiment 1]

Fig. 1 is the figure of the schematic configuration example of the elevator representing that embodiment relates to.As it is shown in figure 1, it is electric Ladder 1 is configured to mainly include changer 2, traction machine 3, braking circuit 4, brake 5a, 5b, sedan-chair Railway carriage or compartment 6, counterweight 7, main rope 8, compensation wheel 9, compensation rope 10, speed regulator 11, speed governing rope Rope 12, pulse generator (lifting action signal output unit) 13a, 13b, position detecting switch (position Put test section) 14a, 14b, detection lug 15, relay 16a, 16b, safety circuit relay (peace Whole circuit) 17 and control device 18 that they are controlled etc..Additionally, in the present embodiment, Such as, car 6 and/or counterweight 7, main rope 8 are mainly disposed at elevating road (diagram is omitted) In.It addition, such as, changer 2 and/or traction machine 3, control device 18 and be mainly disposed at Machine Room In (diagram is omitted).In addition it is also possible to be not provided with Machine Room and by changer 2 and/or traction machine 3, Control device 18 to be arranged in elevating road.

Changer 2 electrically connects with traction machine 3 and control device 18 described later.Changer 2 is based on from control Traction machine 3 is driven or drives stopping by the drive control signal of device 18 processed input.Changer 2 It is connected with power supply via contact.

Traction machine 3 carrys out the main rope of traction 8 by rotation, makes car 6 and counterweight 7 in lifting side Relative change in location upwards.So, traction machine 3 makes car 6 lift in elevating road.Traction machine 3 control speed by changer 2.Traction machine 3 is worked by brake 5a, 5b described later and stops Spin-ended turn.

Braking circuit 4 connects on/off based on the drive control signal inputted from control device 18 described later The power supply of open brake 5a, 5b.

Brake 5a, 5b, in the case of being disconnected power supply by braking circuit 4, are braked work. The braking operation of such brake 5a, 5b makes the rotation of traction machine 3 stop.

Car 6 is the parts of passenger's boarding.Car 6 is arranged in be arranged in elevating road not shown Between a pair car guide rail, by being provided with more than 1 via relative to car guide rail Not shown guide lifts along car guide rail, thus lifts in elevating road.Car 6 It is connected with counterweight 7 by main rope 8 via traction machine 3.Car 6 passes through via compensating wheel 9 Compensate rope 10 to be connected with counterweight 7.Car 6 is by utilizing the main rope of power traction of traction machine 3 Rope 8 and lift.Car 6 is connected with speed regulator 11 by speed regulating rope 12.When car 6 rises During fall action, speed regulator 11 rotates.

Counterweight 7 is the parts of lifting in elevating road in linkage of the lifting with car 6.Balance is joined Weigh 7 to be arranged between a pair not shown counterweight guide rail, set via relative to counterweight guide rail The not shown guide having put more than 1 lifts along counterweight guide rail.Counterweight 7 warp It is connected with car 6 by main rope 8 by traction machine 3.Counterweight 7 is via compensating wheel 9 by mending Repay rope 10 to be connected with car 6.

Main rope 8 is to connect car 6 and a plurality of rope of counterweight 7, is wound around on traction machine 3. Main rope 8 is the parts making car 6 and counterweight 7 lift with tractive manner.

Compensating wheel 9 is to suppress to compensate in car 6 lifts the portion that rope 10 vibrates in the horizontal direction Part.Compensate wheel 9 and be configured at the pit arranged in the downside of elevating road, be wrapping with compensation rope 10.

Compensate rope 10 and be suspended in car 6 and counterweight 7.Specifically, rope 10 is compensated An end be linked to car 6, another end is linked to counterweight 7.

Speed regulator 11 is connected with car 6 via speed regulating rope 12.Speed regulator 11 is connected to pulse generation Device 13a, 13b.Speed regulator 11 is rotated by the lifting action of car 6.

Speed regulating rope 12 is the parts of the speed regulator wheel being hung on speed regulator 11.

Pulse generator 13a, 13b are the portions that output represents the lifting action signal of the lifting action of elevator Part.Specifically, pulse generator 13a, 13b detects sedan-chair by the rotation of detection speed regulator 11 The lifting action in railway carriage or compartment 6.Pulse generator 13a, 13b electrically connect with safety device 40 described later.Arteries and veins Rush generator 13a, 13b and export the rotation of speed regulator 11 as pulse signal i.e. arteries and veins to safety device 40 Rush generator signal.

Position detecting switch 14a, 14b are the parts of the position of the car 6 in detection elevating road.Position Detection switch 14a, 14b electrically connect with safety device 40 described later.Position detecting switch 14a, 14b Sustained height in elevating road arranges a pair.Position detecting switch 14a, 14b are at the orlop of elevating road And arrange multipair near the superiors at spaced intervals.Position detecting switch 14a, 14b detection is described later Detection lug 15 near and non-close.Position detecting switch 14a, 14b are by the detection of detection lug 15 Result exports safety device 40 as cage position signal.Here, cage position signal is examined in position When slowdown monitoring switch 14a, 14b detect detection lug 15 (when becoming below predetermined value with the distance of car 6) It is output as activating (ON).It addition, cage position signal does not detects at position detecting switch 14a, 14b It is output as inactive (OFF) to (during with the distance of car 6 more than predetermined value) during detection lug 15. More specifically, cage position signal only at car 6 near setting of position detecting switch 14a, 14b It is output as when putting layer activating.Therefore, car 6 be positioned at output cage position signal position detection open Close 14a, 14b arranges position.So, in position detecting switch 14a, 14b detection elevating road The position of car 6.It addition, cage position signal is same by a pair position detecting switch 14a, 14b Time be output as activate, inactive.Position detecting switch 14a, the 14b so constituted by with elevator 1 The applicable speed of buffer that is suitable for of normal speed and change and number be set.

Detection lug 15 is disposed in car 6.Detection lug 15 with position detecting switch 14a, 14b away from Detected by position detecting switch 14a, 14b in the case of becoming below predetermined value.This testing result It it is previously described cage position signal.

Relay 16a, 16b are to disconnect safety circuit relay when making its contact disconnect (OFF) The parts of 17.Specifically, for relay 16a, 16b, its contact and safety circuit relay 17 are connected in series.Relay 16a, 16b electrically connect with safety device 40 described later.Relay 16a, 16b is in the feelings that the relay control signal inputted from safety device 40 described later is " relay connection " Under condition, the contact of relay 16a, 16b is made to maintain the state connected.Relay 16a, 16b from In the case of the relay control signal of safety device 40 input is " relay disconnection ", make relay The contact of 16a, 16b disconnects.

Safety circuit relay 17 is the parts being made the operating of elevator 1 stop by break.Peace The on/off of the contact of whole circuit relay 17 and the contact of relay 16a, 16b is connected in linkage / disconnect.That is, the contact of safety circuit relay 17 is in the feelings of the contact of relay 16a, 16b Connect under condition.It addition, the contact of safety circuit relay 17 breaks at the contact of relay 16a, 16b Disconnect in the case of opening.For this safety circuit relay 17, its contact be disposed in brake 5a, Contact between 5b with braking circuit 4 is connected.It addition, for safety circuit relay 17, its contact It is connected with the contact being disposed between changer 2 and power supply.Therefore, at safety circuit relay 17 Contact disconnect in the case of, the power supply of changer 2 is cut-off and the energising of traction machine 3 is cut off. Now, the power supply of brake 5a, 5b is cut-off and brake 5a, 5b work, and traction machine 3 stops Rotate.

Control the parts that device 18 is the operating controlling elevator 1.Control device 18 based on passing through passenger Enter from each device such as the operation dish of the boarding place being arranged at each layer and/or the operation dish that is arranged in car 6 The operation signal that row operates and exports, exports drive control signal to drive control traction to changer 2 Machine 3, thus makes car 6 liters be down to target zone.Control device 18 and changer 2, braking circuit 4 Electrically connect with safety device 40 described later.Control device 18 and carry out the traction machine 3 via changer 2 Drive control and braking circuit 4 driving control.Control device 18 to changer 2 and braking Circuit 4 exports drive control signal respectively.Control device 18 to be inputted from safety device 40 described later Represent the control signal of abnormal information.

Control the 1st diagnosis signal the (the 1st that device 18 output is relevant to the operating condition of elevator 1 Signal) and the 2nd diagnosis signal (the 2nd signal).Here, the 1st diagnosis signal and the 2nd Diagnosis signal is based on the control signal exported from each device of elevator 1 and/or operation signal determining electricity The operating condition of ladder 1 signal corresponding with operating condition.Specifically, the 1st diagnosis signal is Represent elevator 1 be in close the door stop standby in signal.1st diagnosis signal is in pass at elevator 1 Door stop standby in the case of become activations (ON), elevator 1 be not at closing the door stop standby in In the case of become inactive (OFF).2nd diagnosis signal be represent car 6 the superiors with The signal of operating in the total travel of the elevating road between lower floor.2nd diagnosis signal at car 6 The total travel of the elevating road between upper strata and orlop becomes activation (ON) in the case of operating.The 2 diagnosis signals such as exist time standby at the superiors or the orlop as terminating layer at car 6 Activation (ON) is become in the case of the calling of lower floor or the superiors.It addition, do not going up most at car 6 In the total travel of the elevating road between layer and orlop in the case of operating, the 2nd diagnosis signal becomes Inactive (OFF).Control device 18 and specifically carry out output based on the flow process shown in Fig. 2 diagnosis use The process of signal.

Control device 18 and confirm the operating condition (step S11) of elevator 1.Then, device 18 is controlled Judge elevator 1 whether be in close the door stopping standby in (step S12).Control device 18 be judged to Elevator 1 be not at closing the door stopping standby in the case of (situation of "No"), enter step S14. Control device 18 be judged to elevator 1 be in close the door stopping standby in the case of (situation of "Yes"), Enter step S13.

Then, controlling device 18 makes the 1st diagnosis signal activation export safety device 40 (step Rapid S13).

Then, control device 18 and confirm calling input (step S14) in car 6 and/or hall.So After, control device 18 and determine whether there is the calling (step S15) of terminating layer.Control device 18 sentencing It is set to and does not has, in the case of the calling of terminating layer (situation of "No"), to enter step S19.Control dress Put 18 in the case of the calling being judged to have terminating layer (situation of "Yes"), enter step S16.

Then, controlling device 18 makes the 2nd diagnosis signal activation export safety device 40 (step Rapid S16).

Then, control device 18 and confirm the operating condition (step S17) of elevator 1.Then, control Device 18 judges whether the operating condition of elevator 1 is changed as the standby and/or direction after terminating layer arrival (step S18).Controlling device 18 in the operating condition being judged to elevator 1 is not after terminating layer arrives The conversion of standby and/or direction in the case of (situation of "No"), terminate the process of this flow process.Control Device 18 is in the standby and/or direction conversion that the operating condition being judged to elevator 1 is after terminating layer arrives In the case of (situation of "Yes"), enter step S19.

Then, control device 18 and make the 1st diagnosis signal inactive and export safety device 40, Terminate the process (step S19) of this flow process.

Display device 20 is arranged on Machine Room.Display device 20 is such as set by displays such as liquid crystal displays Standby composition.Display device 20 electrically connects with safety device 40 described later.Display device 20 shows safety The result of the information processing in device 40.Specifically, display device 20 shows from safety dress Put the attention information of 40 outputs.Display device 20 is confirmed by attendant when the operation of elevator 1.

Long-Range Surveillance Unit 30 is arranged on remote monitroing center.Long-Range Surveillance Unit 30 possesses display dress Put and/or store device.Long-Range Surveillance Unit 30 electrically connects with safety device 40 described later.Remotely prison View apparatus 30 shows the result of the information processing in safety device 40.Specifically, remotely supervise The attention information exported from safety device 40 is shown in display device or is stored in by view apparatus 30 Storage device.Long-Range Surveillance Unit 30 is confirmed by the attendant of remote monitroing center when elevator 1 operates.

Safety device 40 arranges independent of controlling device 18.Safety device 40 is to be stored by execution The electronic safety device of the safety of elevator 1 is guaranteed in internal program.About safety device 40 In concrete information processing, described below.It addition, safety device 40 has as terminating layer strong The running speed anomaly monitoring function of deceleration device processed.Here, running speed anomaly monitoring function be Terminating layer passes through the function that convertor controls makes car 6 stop in a controlled fashion.More specifically, Running speed anomaly monitoring function is independently of elevator 1 and detects the abnormal speed of car 6, is judging The function that car 6 slows down is made in the case of velocity anomaly for car 6.Running speed anomaly monitoring merit Can install as the program with such function.About as running speed anomaly monitoring function Concrete information processing, described below.

Safety device 40 e.g. microcomputer and/or software etc..As it is shown on figure 3, safety device 40 is double The system heavily changed, mainly includes the 1st interface portion (hreinafter referred to as 1I/F) the 41, the 2nd interface Portion (hreinafter referred to as 2I/F) 42a, 42b, interface 3 portion (hreinafter referred to as 3I/F) 43a, 43b, display lamp 44a, 44b, memorizer 45a, 45b and CPU (process portion) 46a, 46b。

1I/F41 is for using from the 1st diagnosis signal and the 2nd diagnosis that control device 18 output Signal, from position detecting switch 14a, 14b output cage position signal and fusible supervision signal defeated The interface entered.

2I/F42a is for the interface from the pulse generator signal input of pulse generator 13a output. 2I/F42a has counter circuit.This counter circuit rotation side by pulse generator signal To carrying out, counting increases, counting reduces.Such as, if the direction of rotation of pulse generator signal is sedan-chair Railway carriage or compartment 6 along ascent direction travel time direction of rotation, then counter circuit carry out counting increase.It addition, If the direction of rotation of pulse generator signal be car 6 along descent direction travel time direction of rotation, Then counter circuit carries out counting minimizing.The counted number of pulses that 2I/F42a will carry out step-by-step counting CPU46a, 46b is exported as pulse generator signal.Additionally, 2I/F42b is for from pulse The interface of the pulse generator signal input of generator 13b output, is constituted in the same manner as 2I/F42a.

3I/F43a is to controlling device 18 and/or relay 16a, display device 20, remotely monitoring Device 30 exports the interface of data.Specifically, 3I/F43a is using in safety device 40 The result of information processing and the abnormal information that obtains exports control device 18.3I/F43a using as The result of the information processing in safety device 40 and the attention information that obtains export display device 20 with And Long-Range Surveillance Unit 30.3I/F43a will control the relay control signal output of relay 16a To relay 16a.Additionally, 3I/F43b is to controlling device 18 and/or relay 16b, display Device 20, Long-Range Surveillance Unit 30 export the interface of data, constitute in the same manner as 3I/F43a.

Display lamp 44a is such as made up of 7 n segment display ns (7SEGLED).Additionally, display lamp 44b Constitute in the same manner as display lamp 44a.

Memorizer 45a is the program and/or required needed for the information processing in storage safety device 40 The parts of data.Memorizer 45a is such as made up of E2PROM.It addition, memorizer 45a storage As the program needed for the information processing of electronic safety device and/or required data.Such as, storage Device 45a storage have needed for the information processing in running speed anomaly monitoring function set in advance each The Velocity Reference of car position is as Velocity Reference data.Additionally, memorizer 45b and memorizer 45a Similarly constituting, storage has identical program and/or data.

CPU46a is carried out program that memorizer 45a stored to perform the information in safety device 40 The parts processed.CPU46a has and it is determined that the safe handling to elevator 1 brings obstacle In the case of exception, relay 16a, 16b are exported the function of the control signal making contact disconnect.This Outward, CPU46b is carried out program that memorizer 45b stored to perform the information in safety device 40 The parts processed, are constituted in the same manner as CPU46a.CPU46a and CPU46b is in normal work In the case of, perform identical information processing simultaneously and obtain identical result.Therefore, CPU46a Work is mutually monitored, such as if there is timing deviation or the result of information processing with CPU46b Not equal abnormal, then make the contact of relay 16a, 16b disconnect.

This CPU46a carries out the information processing as electronic safety device.CPU46a is specifically carried out Process based on the flow process shown in Fig. 4～Fig. 6.

CPU46a carries out main process based on the flow process shown in Fig. 4.

CPU46a carries out initializing (step S21).Refer at safety device 40 here, initialize Power supply situation about being switched on and/or memorizer 45a, 45b are stored in the case of being reset different Often labelling (flag) and/or the such temporary data of Care Mark initialize.Then, CPU46a As main routine (routine) process and etc. (step S22) to be interrupted.Creating the situation of interruption Under, CPU46a carries out security function and/or process associated with it (regular interruption process).Say below This regular interruption bright processes.

CPU46a carries out signal input processing (step S31).CPU46a will be via 2I/F42a From pulse generator 13a input pulse generator signal and/or via 1I/F41 from position detection open The cage position signal closing 14a, 14b input is stored in memorizer 45a.CPU46a is examining from position In the case of slowdown monitoring switch 14a, 14b have input cage position signal, it is determined that travel in this position for car 6 That puts detection switch 14a, 14b arranges position.It addition, CPU46a will be via 1I/F41 from control The diagnosis signal of device 18 processed input, fusible supervision signal and the exception via 3I/F43a output Information, attention information, the 1st relay control signal are stored in memorizer 45a.

Then, CPU46a carries out operating condition supervision process (step S32).CPU46a is based on arteries and veins Rush generator signal, it is determined that include car 6 be in traveling is also off in, car 6 along rise and The operating condition which direction declined is moved.It addition, CPU46a is being judged to that car 6 is in row The speed of car 6 is calculated in the case of sailing.Here, to the speed of the car 6 in CPU46a Calculate and illustrate.CPU46a is according to the count value detected last time and this counting counted to get Value, calculates displacement by the distance worked as with each pulsion phase.Then, CPU46a is according to sedan-chair The displacement in railway carriage or compartment 6 and calculate the speed of car 6 cycle time of regular interruption.So, CPU46a Calculate the speed of car 6.Now, CPU46a by the operating condition that determined and/or is calculated The speed of car 6 is stored in memorizer 45a.

Then, CPU46a carries out the running speed anomaly monitoring as running speed anomaly monitoring function Process (step S33).Specifically, CPU46a carries out following such process as running speed Information processing in anomaly monitoring process.CPU46a detects based on by position detecting switch 14a, 14b The position of the car 6 gone out, speed and the Velocity Reference data to the car 6 calculated in step s 32 The speed of car 6 compare.CPU46a has exceeded speed in the speed of the car 6 calculated In the case of the speed of the car 6 of benchmark data, it is determined that carry out with abnormal speed for car 6 Travel.Then, CPU46a is in the situation being judged to that car 6 is travelling with abnormal speed Under make abnormal marking activate (ON).

Then, CPU46a carries out peripheral device anomaly monitoring process (step S34).CPU46a is Normally maintain the running speed anomaly monitoring function of safety device 40, monitor safety device 40 Peripheral device.As the information processing of the peripheral device for monitoring safety device 40, CPU46a example As judged the concordance of pulse generator signal or judging to be arranged at 2 position inspections of sustained height The concordance of the dual of slowdown monitoring switch 14a, 14b or determine whether that having overhauled the detection of whole position opens Close 14a, 14b (supervision of position detecting switch 14a, 14b described later processes) or judge safety The internal circuit of device 40 has (such as, the fusible supervision of relay 16a described later processes) without exception. CPU46a is judged to exception in the case of pulse generator signal is inconsistent.CPU46a is being arranged It is judged in the case of the dual of 2 position detecting switch 14a, 14b of sustained height is inconsistent Abnormal.CPU46a is (such as, relay in the case of the internal circuit of safety device 40 has extremely The situation that 16a is fusible) it is judged to exception.CPU46a it is determined that arbitrarily abnormal in the case of, Abnormal marking is made to activate (ON).

Then, CPU46a carries out output process (step S35).CPU46a as step S33, In the case of the result of S34 and abnormal marking are for activating, output makes the contact of relay 16a break The relay control signal opened.When the contact of relay 16a is disconnected, safety circuit relay 17 Contact be disconnected.When the contact of safety circuit relay 17 is disconnected, the changer 2 of elevator 1 Power supply be cut off.Then, the energising of traction machine 3 is cut off.Now, the electricity of brake 5a, 5b Source is cut off, and brake 5a, 5b work, and traction machine 3 stops the rotation.Thus, elevator 1 continues to stop State only also limits operating.It addition, CPU46a is in the case of Care Mark is for activating, one The operating of elevator 1 is continued on limit, attention information exports display device 20 and carries out urging maintenance Display or output to Long-Range Surveillance Unit 30.In remote monitroing center, by from remotely monitoring dress Put 30 reports and notice that information is urged and carried out maintenance measure or indicate attendant.It addition, it is logical Cross from remote monitroing center to the remote service instruction controlling device 18 and safety device 40, at sedan-chair Railway carriage or compartment 6 standby in so that the mode that carries out the self diagnosis of whole parts makes elevator 1 operating examine Disconnected.

Then, CPU46a carries out normal condition and recovers standby process (step S36).CPU46a exists In the case of abnormal marking is for activating, such as, stop elevator 1 as the state that abnormal marking is activation, Until finding that the position of elevator 1 exception is overhauled, repaired and confirm as elevator 1 by attendant and pacify Only it is all.

In step S34, CPU46a carries out based on the flow process shown in Fig. 5 different as peripheral device The supervision of position detecting switch 14a, 14b that often supervision processes processes.CPU46a detects in position and opens Close during the supervision of 14a, 14b processes, based on pulse generator signal and the 2nd diagnosis signal, Elevator 1 is in traveling and in the total travel of the elevator 1 elevating road between the superiors and orlop In the case of operating, it is determined whether overhauled whole position detecting switch 14a, 14b, based on being judged Result export attention information.

CPU46a confirms pulse generator signal (step S41).CPU46a confirms in step S31 In be stored in counted number of pulses and the speed of car 6 of memorizer 45a.

Then, CPU46a judges whether elevator 1 is in (step S42) in traveling.Here, elevator Whether 1 be in traveling and judged by the speed of car 6.Now, for not misinterpretation car 6 The vibration of the car 6 caused because of passenger's boarding during stopping, such as to have exceeded several m/min etc. predetermined It is judged in the case of speed that car 6 travels.CPU46a is being judged to that elevator 1 is not at row In the case of sailing (situation of "No"), terminate the process of this flow process and return to original routine. CPU46a is being judged to (situation of "Yes") in the case of elevator 1 is in traveling, enters step S43.That is, during the supervision at position detecting switch 14a, 14b processes, following process is only at elevator 1 be in traveling in the case of perform.

Then, CPU46a confirms the cage position signal (step from position detecting switch 14a, 14b Rapid S43).CPU46a confirms to be stored in the cage position signal of memorizer 45a in step S31.

Then, CPU46a judges the concordance (step S44) of dual.CPU46a judges dual Whether the signal of position detecting switch 14a, 14b after change carries out identical work.Here, dual After position detecting switch 14a, 14b refer to be arranged at sustained height a pair position detecting switch 14a, 14b.It addition, identical work refers to that the signal from position detecting switch 14a, 14b is the most defeated Enter to safety device 40.So, position detecting switch 14a, 14b no longer has double when breaking down The concordance heavily changed.Therefore, if there being the concordance of dual, then be judged to position detecting switch 14a, 14b normally works.It addition, without the concordance of dual, be then judged to position detecting switch 14a, 14b are abnormal.CPU46a carries out identical work at the signal of position detecting switch 14a, 14b It is judged in the case of work normally work.CPU46a is carrying out the letter of position detecting switch 14a, 14b Number in the case of the different moment is transfused to or only one side such as is transfused at the abnormal work, it is determined that for different Often.CPU46a, in the case of it is determined that extremely (situation of "No"), enters step S54. CPU46a is (situation of "Yes") in the case of being judged to normally work, and enters step S45.

Then, CPU46a judges that job order is the most correct (step S45).CPU46a judges sedan-chair The travel direction (ascent direction or descent direction) in railway carriage or compartment 6 and position detecting switch 14a, 14b carry out work The order made is the most consistent.CPU46a such as at car 6 from the superiors to orlop along descent direction In the case of traveling, if from intermediate layer to position detecting switch 14a, the 14b arranged near orlop Carry out successively from upper beginning turning on/off work, be then judged to normally work.If it addition, from centre The order of position detecting switch 14a, 14b that layer is arranged near orlop jumpily carries out connecing on/off Go into operation work or differing heights position detecting switch 14a, 14b simultaneously carry out turn on/off work, Then CPU46a it is determined that exception.CPU46a is ("No" in the case of it is determined that extremely Situation), enter step S54.CPU46a in the case of being judged to normally work ("Yes" Situation), enter step S46.

Then, CPU46a confirms the 2nd diagnosis signal (step S46).CPU46a confirms from control 2nd diagnosis signal of device 18 processed output.

Then, CPU46a judges that whether the 2nd diagnosis signal is as activating (step S47).CPU46a It is being judged to that the 2nd diagnosis signal is not for, in the case of activating (situation of "No"), terminating this flow process Process and return to original routine.CPU46a is being judged to that the 2nd diagnosis signal is activate In the case of (situation of "Yes"), enter step S48.I.e., if there is the position detection not detected The diagnostic process of switch 14a, 14b, only in the car 6 elevating road between the superiors and orlop Total travel performs in the case of operating.

Then, CPU46a confirms the input (step S48) of whole position detecting switch 14a, 14b. Now, the process moment of step S48 is stored in memorizer 45a by CPU46a.

Then, CPU46a determines whether to there is position detecting switch 14a, 14b (step not detected S49).Here, imagination cannot be carried out whole position due to broken string and/or the loose contact of diagnosis signal This situation of diagnosis putting detection switch 14a, 14b diagnoses.CPU46a judges in whole positions Put in detection switch 14a, 14b and whether there is position detecting switch 14a, the 14b not being transfused to. CPU46a is (situation of "No") in the case of position detecting switch 14a, the 14b not detected, Enter step S52.In CPU46a in the case of there is position detecting switch 14a, the 14b not detected (situation of "Yes"), enters step S50.

Then, CPU46a confirms to confirm whole position detecting switch step S48 from last time The 1st elapsed time (step S50) having inputted process of 14a, 14b.Then, CPU46a judges Whether the 1st elapsed time confirmed in step s 50 is the 1st scheduled time more than (step S51). CPU46a be judged to the 1st elapsed time less than (situation of "No") in the case of the 1st scheduled time, Enter step S52.CPU46a is in the feelings being judged to that the 1st elapsed time was the 1st scheduled time more than Under condition (situation of "Yes"), enter step S53.

And, CPU46a makes Care Mark inactive, the process of process ends and return to original Routine (step S52).

And, CPU46a makes Care Mark activate, the process of process ends and return to original Routine (step S53).Thus, whole position detecting switch 14a, 14b were being confirmed from last time Having inputted in the case of have passed through the 1st scheduled time more than, Care Mark becomes activation.Therefore, exist In safety device 40, during the self diagnosis length about whole position detecting switch 14a, 14b can be suppressed Do not carry out and be placed.

And, CPU46a makes abnormal marking activate, the process of process ends and return to original Routine (step S54).

In step S34, such as, CPU46a carries out based on the flow process shown in Fig. 6 as periphery The supervision that the contact of the relay 16a that device anomaly monitoring processes is fusible processes.CPU46a is fusible Supervision process in, based on pulse generator signal and the 1st diagnosis signal, do not locate at elevator 1 In travel in and elevator 1 be in close the door stopping standby in the case of, for the contact of relay 16a Determine whether that the safe handling to elevator 1 brings the abnormal i.e. with or without fusible of obstacle.It addition, CPU46a is in fusible supervision processes, it is determined that be at elevator 1 from based on the 1st diagnosis signal In the case of during stopping of closing the door is standby, last time determined contactless fusible whether to have passed through the 2nd pre- Fix time above, in the case of being judged to have passed through the 2nd scheduled time more than, export attention information.

CPU46a confirms pulse generator signal (step S61).This process carries out same with step S41 The process of sample.

Then, CPU46a judges whether elevator 1 is in (step S62) in traveling.This process is carried out Process as step S42.CPU46a is in the case of being judged to that elevator 1 is in traveling (situation of "Yes"), the process of process ends and return to original routine.CPU46a is sentencing In the case of being set to during elevator 1 is not at travelling (situation of "No"), enter step S63.That is, In the fusible supervision of the contact of relay 16a processes, following process is only not at elevator 1 Perform in the case of in traveling.This be in order to suppress the self diagnosis due to safety device 40 and off hand Stop this situation of elevator 1.

Then, CPU46a confirms to confirm step S67 the contact of relay 16a from last time 2nd elapsed time (step S63) of fusible process.Then, CPU46a judges in step S63 Whether the 2nd elapsed time of middle confirmation is the 2nd scheduled time more than (step S64).Here, the 2nd The scheduled time is preferably the time the shortest compared with the between-failures of relay.Such as, if one day one The fusible of the secondary contact to relay 16a diagnoses, then can ensure that viability.CPU46a is sentencing It was set to for the 2nd elapsed time less than (situation of "No") in the case of the 2nd scheduled time, terminates this stream The process of journey and return to original routine.CPU46a is being judged to that the 2nd elapsed time was the 2nd pre- Fix time above in the case of (situation of "Yes"), enter step S65.

Then, CPU46a confirms the 1st diagnosis signal (step S65).Then, CPU46a sentences Whether fixed 1st diagnosis signal is to activate (step S66).CPU46a is being judged to that the 1st diagnosis is used Signal be nonactivated in the case of (situation of "No"), enter step S70.CPU46a is judging Be the 1st diagnosis signal be activate in the case of (situation of "Yes"), close the door owing to elevator 1 is in Stop standby in, so enter step S67.Now, CPU46a will be judged in step S66 1st diagnosis signal is the process moment activated to be stored in memorizer 45a.

Then, CPU46 makes the contact disconnection of relay 16a, 16b confirm fusible (step S67). Then, CPU46a determines whether there is fusible (step S68).CPU46a be judged to the most fusible In the case of (situation of "No"), the process of process ends and return to original routine.CPU46a Be judged to have fusible in the case of (situation of "Yes"), enter step S69.

Then, CPU46a makes abnormal marking activate, the process of process ends and return to original Routine (step S69).

And, CPU46a confirms to be judged to step S66 that the 1st diagnosis signal was sharp from last time Live moment rise through the 3rd elapsed time (step S70).Then, CPU46a judges the 3rd warp Cross whether the time is the 3rd scheduled time more than (step S71).CPU46a is being judged to that the 3rd passes through Time, less than (situation of "No") in the case of the 3rd scheduled time, enters step S72.CPU46a Be judged to the 3rd elapsed time be the 3rd scheduled time more than in the case of (situation of "Yes"), enter Enter step S73.

And, CPU46a makes Care Mark inactive, the process of process ends and return to original Routine (step S72).

And, CPU46a makes Care Mark activate, the process of process ends and return to original Routine (step S73).Thus, contact fusible of relay 16a, 16b was being confirmed from last time Rising in the case of have passed through the 3rd scheduled time more than, Care Mark becomes activation.Therefore, in safety In device 40, do not enter during the fusible self diagnosis length of the contact about relay 16a, 16b can be suppressed Go and be placed.

CPU46b carries out the process identical with the information processing in previously described CPU46a. CPU46a and CPU46b, in the case of normally working due to dual, performs identical simultaneously Information processing, obtains identical result.

So, the safety device 40 of the elevator 1 that embodiment relates to is different for the speed that normally keeps on the go Often function for monitoring, carries out monitoring the information processing of the peripheral device of safety device 40.

The elevator 1 that embodiment relates to includes, such as above composition effect, carrying out its effect below Explanation.

So, the elevator 1 that embodiment from the description above relates to, in order to normally maintain safe dress Put the running speed anomaly monitoring function in 40, monitor the peripheral device of safety device 40.Now, Safety device 40 is based on the 1st diagnosis signal and the 2nd diagnosis signal, it is possible to according to elevator 1 Operating condition carry out self diagnosis.Specifically, safety device 40 be in stopping at elevator 1 and 1st diagnosis signal be activation i.e. elevator 1 be in close the door stopping standby in the case of, carry out relay The contact of device 16a, 16b is with or without fusible self diagnosis.Thus, safety device 40 can suppress due to Self diagnosis and stop elevator 1 off hand.So, safety device 40 can suppress due to self diagnosis Stop elevator 1 off hand.

It addition, safety device 40 is that the situation i.e. car 6 activated is in the superiors at the 2nd diagnosis signal And between orlop in the case of operating, confirm that the input of whole position detecting switch 14a, 14b is entered Whether row exists the diagnostic process of position detecting switch 14a, 14b of not detecting.Thus, safety device 40 self diagnosis that can carry out whole position detecting switch 14a, 14b effectively.So, safety dress Put 40 and can carry out repertoire (in the present embodiment for whole position detecting switch 14a, 14b) Self diagnosis.

It addition, the elevator 1 related to according to embodiment, safety device 40 position detecting switch 14a, 14b do not have dual conforming in the case of, in the work being found that position detecting switch 14a, 14b The incorrect situation of order, the contact of relay 16a, 16b made have fusible situation such to peace In the case of for the national games turn is brought the exception of obstacle, abnormal marking is made to activate.When abnormal marking becomes activation Time, elevator 1 continues the state stopped, being limited operating.Thus, elevator 1 is at the place of self diagnosis In the case of reason result is the exception being found that and bringing obstacle to safe handling, it is possible to make elevator 1 practical Ground becomes the state of stopping.

It addition, the elevator 1 related to according to embodiment, safety device 40 is at whole position detecting switch 14a, 14b exist position detecting switch 14a, the 14b not detected and confirmed all from last time The 1st elapsed time having inputted process of position detecting switch 14a, 14b is the 1st scheduled time more than Situation, implement the most completely not to be the self diagnosis of the abnormal parts bringing obstacle to safe handling In the case of, make Care Mark activate.Safety device 40 is in the case of Care Mark is for activating, it is possible to While continuing the operating of elevator 1, attention information being exported display device 20 and carries out promoting inspection The display repaiied or output are to Long-Range Surveillance Unit 30.Thus, even if such as being provided with elevator The application of the building of 1 and be set as not stopping so that not in the superiors by the layer near terminating layer And in the total travel between orlop in the case of operating, safety device 40 also suppresses about whole positions Do not carry out during the self diagnosis length of detection switch 14a, 14b and be placed.

It addition, the elevator 1 related to according to embodiment, safety device 40 from last time to relay 16a, The contact of 16b fusible carries out in the case of self diagnosis rises and have passed through the 3rd scheduled time more than, making note Meaning flag activation.Safety device 40 is in the case of Care Mark is for activating, it is possible to continue elevator The operating of 1, attention information is exported display device 20 carry out promoting maintenance display or Output is to Long-Range Surveillance Unit 30.Thus, safety device 40 suppresses about relay 16a, 16b Do not carry out during the fusible self diagnosis length of contact and be placed.

It addition, the elevator 1 related to according to embodiment, because reporting note to Long-Range Surveillance Unit 30 Meaning information, it is possible to such as promote carry out maintenance measure or indicate attendant.It addition, Elevator 1 is such as by sending remotely to control device 18 and safety device 40 from remote monitroing center Maintenance instruction, it is possible to make elevator 1 in the way of carrying out the self diagnosis of whole parts in car 6 is standby Operating diagnoses.

[embodiment 2]

Fig. 7 is the flow chart representing the information processing in the elevator 1 that embodiment 2 relates to.In this reality Executing in mode, CPU46a is carrying out position detecting switch 14a, 14b of based on the flow process shown in Fig. 7 Supervision process on this point the most different from embodiment 1.Other structures in present embodiment and enforcement Mode 1 is similarly constituted.

CPU46a it is determined that to the safety fortune of elevator 1 for position detecting switch 14a, 14b Turn in the case of bringing the exception of obstacle, it is determined that be judged as abnormal position detecting switch 14a, 14b Whether it is positioned at the front of the travel direction that the calling to elevator 1 responds.Then, CPU46a enters Row is following to be processed: in the case of being judged to that position detecting switch 14a, 14b are located anteriorly, output makes The control signal that the contact of relay 16a, 16b disconnects, is being judged to position detecting switch 14a, 14b In the case of the most located anteriorly, defeated after the operating stopping to the travel direction that this calling responds The control signal that the contact of relay 16a, 16b of sening as an envoy to disconnects.

Step S81～S93 are identical, therefore with the process shown in step S41 of embodiment 1～S53 Omit the description.CPU46a judges the concordance (step S84) of dual.CPU46a is being judged to Deposit (situation of "No") in an exceptional case, enter step S94.CPU46a is just being judged to Often in the case of work (situation of "Yes"), enter step S85.Then, CPU46a judges work Work order is the most correct (step S85).CPU46a is ("No" in the case of it is determined that extremely Situation), enter step S94.CPU46a in the case of being judged to normally work ("Yes" Situation), enter step S86.

CPU46a judges that position detecting switch 14a, the 14b in front is the most abnormal (step S94). Here, in the case of the rear of car 6 switch there occurs fault, terminate it in current operating Before there is no obstacle.Therefore, in the present embodiment, be found that in step S84 or step S85 different In the case of normal position detecting switch 14a, 14b is positioned at the front of car 6, carry out processing so that electricity Ladder 1 stops.CPU46a does not has the feelings of exception at position detecting switch 14a, 14b of being judged to front Under condition (situation of "No"), enter step S95.CPU46a detects in the position being judged to front In the case of switch 14a, 14b are abnormal (situation of "Yes"), enter step S96.

And, CPU46a determines whether to be in (step S95) in traveling.CPU46a is being judged to In the case of being in traveling (situation of "Yes"), the process of process ends and return to original Routine.CPU46a, in the case of being judged to be not in traveling (situation of "No"), enters step Rapid S96.

Then, CPU46a makes abnormal marking activate, the process of process ends and return to original Routine (step S96).

According to such elevator 1, in addition to the effect of embodiment 1, even if detection is opened in position Close 14a, 14b do not have dual conforming in the case of or at position detecting switch 14a, 14b The order of work incorrect in the case of, if position detecting switch 14a, the 14b in front are the most different Often, then current operating not being had obstacle, therefore safety device 40 can suppress at current operating knot Elevator 1 is stopped off hand before bundle.So, safety device 40 can suppress to current operating Elevator 1 is stopped when having put passenger in car 6 in the case of there is no obstacle.It addition, If safety device 40 does not has concordance or the position of dual at position detecting switch 14a, 14b Put that the order of work of detection switch 14a, 14b is incorrect and the position detecting switch 14a in front, 14b is abnormal, then can stop elevator 1 rapidly.

Above-mentioned embodiment can be combined without departing from the range of invention main idea.

Such as, safety device 40 when making Care Mark activate by the information processing in CPU46a, Record represents the code of position detecting switch 14a, 14b of not detecting, transmits the code as attention information A part be shown in display device 20 or be sent to Long-Range Surveillance Unit 30, it is possible to dimension The personnel of protecting notify to overhaul which component.

It addition, process as peripheral device anomaly monitoring, illustrate the CPU46a constituting safety device 40 And/or memorizer 45a, 1I/F41,2I/F42a, 42b and each structure of 3I/F43a, 43b Device (internal circuit) is become to carry out having N/R supervision to process the (prison of the internal circuit of safety device Depending on process) situation.CPU46a based on pulse generator signal and the 1st diagnosis signal, Elevator 1 be not at travel in and elevator 1 be in close the door stopping standby in the case of, to constitute peace Aforesaid each constituent apparatus of full device 40 determines whether that the safe handling to elevator 1 brings the different of obstacle Often.The supervision of the internal circuit of this safety device processes such as in aforesaid step S66 and step S67 Between perform information processing.Then, CPU46a be judged to constitute safety device 40 respectively constitute dress Put in the case of not having extremely (situation of "No"), enter step 67.It addition, CPU46a is sentencing Be set to constitute each constituent apparatus of safety device 40 have abnormal in the case of, enter step S69.

Illustrate several embodiments of the invention, but these embodiments are to enumerate as an example , do not limit the intention of invention scope.These embodiments can be with other various sides Formula is implemented, without departing from carrying out various omission in the range of invention main idea, replace, change. These embodiments and deformation thereof are contained in scope or the main idea of invention, and are contained in claim In the range of described invention and equivalent thereof.

Claims (5)

1. an elevator, it is characterised in that possess:

Lifting action signal output unit, its output represents the lifting action signal of the lifting action of elevator；

Position detection part, its in the elevating road of described elevator interval and arrange, detection car Position；

Safety circuit, it makes the operating of described elevator stop by break；

Controlling device, it controls the operating of described elevator；And

Safety device, it arranges independent of described control device, and has process portion, this process portion In the case of it is determined that the exception that the safe handling to described elevator brings obstacle, to described peace Whole circuit output makes the control signal that described contact disconnects,

Described control device output represent described elevator whether be in close the door stop standby in the 1st letter Number,

Described process portion is based on the described lifting action letter inputted from described lifting action signal output unit Number and from described control device input described 1st signal determining be described elevator be not at travel And described elevator be in close the door stopping standby in the case of, it is determined that with or without the safety to described elevator Operating brings the exception of obstacle, the described exception bag bringing obstacle with or without the safe handling to described elevator Include for described contact with or without fusible and/or to constitute described safety device include described process portion And/or storage part, input and output portion each constituent apparatus for have without exception.

Elevator the most according to claim 1, wherein,

The output of described control device represents described elevator elevating road whether between the superiors and orlop Total travel in operating the 2nd signal,

Described process portion is based on the described lifting action letter inputted from described lifting action signal output unit Number and from described control device input described 2nd signal determining be that described elevator is in traveling also And in the total travel of the elevating road that described elevator is between the superiors and orlop in the case of operating, sentence Determine whether overhauled all of described position detection part, export attention information based on the result judged.

Elevator the most according to claim 1, wherein,

Described process portion is being described electricity based on described 1st signal determining inputted from described control device Ladder be in stopping of closing the door standby in the case of, it is determined that judged that described contact was with or without fusible being from last time No have passed through the scheduled time, in the case of being judged to have passed through the scheduled time, export attention information.

Elevator the most according to claim 1, wherein,

Described process portion it is determined that to the safe handling of described elevator for described position detection part In the case of bringing the exception of obstacle, it is determined that be judged as there is described abnormal described position detection part Whether it is positioned at the front of the travel direction that the calling to described elevator responds, the rheme being judged to Put test section located anteriorly in the case of, the output of described safety circuit is made the control that described contact disconnects Signal, in the case of being judged to that described position detection part is the most located anteriorly, is being carried out to this calling The control that the output of described safety circuit is made described contact disconnect after stopping by the operating of the travel direction of response Signal.

5. according to the elevator according to any one of Claims 1 to 4, wherein,

Described elevator possesses either one of display device and Long-Range Surveillance Unit,

Described display device is arranged on the vicinity of described elevator, shows the result in described process portion,

Described Long-Range Surveillance Unit is arranged away from described elevator, shows the result in described process portion.