CN102126652A - Group management control device of elevator with disaster escaping operation function in fire disaster and method thereof - Google Patents
Group management control device of elevator with disaster escaping operation function in fire disaster and method thereof Download PDFInfo
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- CN102126652A CN102126652A CN2010106195753A CN201010619575A CN102126652A CN 102126652 A CN102126652 A CN 102126652A CN 2010106195753 A CN2010106195753 A CN 2010106195753A CN 201010619575 A CN201010619575 A CN 201010619575A CN 102126652 A CN102126652 A CN 102126652A
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Abstract
The present invention provides a group management control device with a disaster escaping operation function in fire disaster and a method thereof. When a fire disaster of a building occurs, the group management control device receives a fire disaster generation signal, switches an operation mode of a elevator system group to the disaster escaping operation in fire disaster and identifies a fire disaster generation storey. Furthermore disaster escaping priority of each storey is determined. A cage waiting hall calling which is transmitted from a stopping storey is registered. A cage waiting hall calling transmission storey to be responded is selected from the cage waiting hall transmission stories according to the disaster escaping priority. Afterwards, a responded transportation cage is set for the selected cage waiting hall calling. Furthermore, a safest traveling path in the traveling pathes between the selected cage waiting hall calling transmission storey and a disaster escaping storey is determined. An appropriate cage-leaving storey which is appropriate for safe leaving-out of the passengers from the selected transportation cage is selected. The selected appropriate cage-leaving storey is transmitted to the elevator control device as a target storey.
Description
Technical field
The present invention relates to a kind of controlling apparatus for elevator group manage and method, relate in particular to a kind of group management control apparatus and method with fire evacuation operation with the elevator of function.
Background technology
In recent years, along with the raising of the fire resistance of building, just studying the scheme of utilizing elevator in the taking refuge when the high building presence of fire.But, different when usual during fire, estimate at many elevator users and pour in to each hall of stopping floor.Need efficiently many elevator users be transported to safe place by the group management elevator control setup of controlling a plurality of cages, but because when common group's management control, relatively tend to the preferential of whole efficiency, therefore consider from the viewpoint of serving, can carry out best cage hardly and distribute the high zone of the urgency of building.
For fear of such situation, the device of group's management control of the special use that having disclosed in the patent documentation 1 is used in particular for taking refuge when fire takes place moves.The stop floor that the fire evacuation running gear that patent documentation 1 is disclosed will be served is divided into a plurality of coverages, have from the entry floor and begin one's duty in a plurality of cages of each coverage, when the fire detector that is arranged at each stop floor detects the fire generation, make each cage stop at nearest floor.It comprises: taking refuge operation could identifying unit, rescue floor setup unit, the operating instruction unit of taking refuge, when fire takes place, the operation of taking refuge could be judged as the operation of can not taking refuge for the cage of serving the zone of containing fire generation floor by identifying unit, and stop to stop operation behind the most close floor, be judged as the operation of to take refuge for the cage of serving the zone of not containing fire generation floor, rescue floor setup unit is for the cage that is judged as the operation of can taking refuge, set the rescue floor according to the stop floor that fire has taken place, take refuge the operating instruction unit by making the cage that is judged as the operation of taking refuge round between entry floor that becomes the floor of taking refuge and rescue floor, carry out the refuge assistant of the personnel in the building.According to such structure, the personnel that are positioned at the zone that does not contain fire generation floor are taken refuge to the floor of taking refuge efficiently, if do not move to other regional impassabitity elevator refuges but exist the building personnel that are positioned at the zone of containing fire generation floor, and the cage of serving the zone of containing fire generation floor can't be used for the such problem of taking refuge of personnel in the building.
Headed by the invention that is disclosed with patent documentation 1, in service taking refuge of proposition in the past, all be to be that purpose is implemented near the fire floor and the piston operation of the floor gap of taking refuge to increase near the allotment of the elevator fire floor quantity, perhaps building is carried out Region Segmentation, increase elevator allotment quantity to fire floor near zone.But, adopt such control method, distinguished the stop floor of being allocated cage and the stop floor of not allocating cage clearly, made the people who is positioned at the stop floor of less allocating cage produce very big uneasiness sense like this, produced panic possibly.In order to alleviate such state of affairs, can adopt at hall of elevator etc. sound radio device or guide piece are set, the people who takes refuge is guided to the means such as stop floor that to utilize cage, but that considers such device is provided with cost etc., may not talkative this be a brilliant method, can not be applicable to the such problem of building that such device can not be set but also exist.
The prior art document
Patent documentation
Patent documentation 1: the public again table 2007-029301 of Japan communique
Summary of the invention
The problem that invention will solve
The present invention makes in view of above-mentioned problem points in the past just, its purpose is to provide a kind of group management control apparatus and method with fire evacuation operation with the elevator of function, and described fire evacuation operation is meant and can stops floor allotment cage to each neatly according to the relative importance value based on the stop floor of degree of risk with function.
The means of dealing with problems
The group management control apparatus of the elevator of an example of the present invention, it carries out group's management control of a plurality of elevator devices, described a plurality of elevator device has a plurality of cages, make the jacking system of cooresponding cage lifting, control a plurality of elevator control gears of cooresponding jacking system and cage, the group management control apparatus of this elevator is characterised in that, comprise: the operational mode switching part, reception is from the signal of fire detector, when having received fire generation signal, described elevator device group's operational mode is switched to the fire evacuation operation, and described fire detector is located at each stop floor of the building that is provided with described elevator device; Fire generation floor identification part is by the fire generation signal identification fire generation floor from described fire detector; The relative importance value determination portion of taking refuge according to two sides of the intrinsic floor of taking refuge of described fire generation floor and described building or the position relation of a side and described stop floor, determines that described each stop the relative importance value of taking refuge of floor.Again, this device also has: call out register, the hall calling that registration is sent from stopping floor; Distribute control part, according to the described relative importance value of taking refuge, from be registered in hall the described calling register and call out cooresponding hall and call out and send the hall calling that selections will respond in the floor and send floor, send floor for described selecteed hall calling, the selected cage that will respond from described a plurality of cages.Again, this device also has the selected portion of the suitable floor of descending stair, it has following function: stop the described relative importance value of taking refuge of floor according to each that passes through on travel path, send floor safest travel path to the travel path of the described floor of taking refuge and judge calling out from described selecteed hall, the suitable floor of descending stair of elevator passes to the described elevator control gear that described chosen cage is controlled with the suitable floor of chosen descending stair under the selected person's of the taking safety that is suitable for described chosen cage as the purpose floor.
In the group management control apparatus of the elevator of another example of the present invention, described calling register is that the type of call that wheelchair is called out or called out is usually registered to call out the hall calling of sending floor from hall also.Again, the selected portion of the suitable floor of described descending stair also has following function: when the hall calling that described cage responded is not the wheelchair calling, according to the relative importance value of taking refuge, selected be positioned at from described cage call out send floor to the travel path of the described chosen suitable floor of descending stair midway, be not floor but stop floor that the person of taking of described cage can take refuge safely the purpose floor of taking refuge as described cage.
The effect of invention
According to example of the present invention, a kind of group management control apparatus and method with fire evacuation operation with the elevator of function is provided, and described fire evacuation operation is meant and can stops floor allotment cage to each neatly according to the relative importance value based on the stop floor of degree of risk with function.
Description of drawings
Fig. 1 is used for the figure that the structure example to the group management control apparatus of the elevator of an example of the present invention describes.
Fig. 2 is the diagram of circuit of an example of summary of action of the group management control apparatus of expression first example of the present invention.
Fig. 3 is the figure of an example of the classification of each of expression performance example of the present invention relative importance value of taking refuge of stopping floor and other regulation way of level.
Fig. 4 is the instantiation by the definite relative importance value of taking refuge of example of the present invention.
Fig. 5 is the example of the hall call list in the example of the present invention.
Nomenclature
100 ... group management control apparatus
102A, 102B, 102C ... cage
104A, 104B, 104C ... elevator control gear
106A, 106B, 106C ... Weight detector
108A, 108B ... the hall call button
110 ... call register apparatus
112 ... distribute control setup
114A, 114B ... fire detector
116 ... the operational mode shifter
118 ... fire generation floor means of identification
122 ... the suitable floor selecting apparatus of descending stair
120 ... the relative importance value of taking refuge is determined device
The specific embodiment
Below, with reference to accompanying drawing an example of the present invention is described suitably.
(the 1st example)
Be used for the figure that the structure example to the group management control apparatus 100 of the elevator of an example of the present invention describes shown in Fig. 1.For the structure that makes group management control apparatus 100 is clearer, in Fig. 1, also express a part in the lump as the elevator device of its controlled object.The controlled object of the group management control apparatus 100 of elevator is a plurality of elevator devices, in the drawings, as an example, demonstrates the elevator device of 3 systems.But the group management control apparatus of elevator of the present invention is not limited to the control of the elevator device of 3 systems, can carry out the control of the elevator device of any a plurality of systems.The elevator device of 3 systems of system A shown in Figure 1, system B and the C of system has: cage 102A separately, 102B and 102C, make these cages 102A, 102B and 102C respectively the jacking system of lifting (figure does not show), control these cages 102A respectively, 102B and 102C, and elevator control gear 104A, 104B and the 104C of the action of cooresponding jacking system.
Each cage 102A, 102B and 102C are provided with the car call button (figure does not show) that the person's of taking named place of destination floor of cage is used, but also are respectively arranged with not overweight Weight detector 106A, 106B and the 106C of loaded weight that is used to make cage.Stop the hall of floor at each of elevator, be provided with and wish that the people who takes cage calls out cage 102A, the hall call button of hall call button 108A, 108B etc. that 102B and 102C use.The hall calling signal of sending from hall call button 108A, 108B etc. is delivered to group management control apparatus 100, and the call register apparatus 110 by group management control apparatus 100 is registered.From being arranged on cage 102A, 102B and 102C the car call signal that sends of the car call button used of the person's of taking named place of destination floor of in-to-in, cage (figure does not show) separately also are delivered to group management control apparatus 100, and the call register apparatus 110 by group management control apparatus 100 is registered.When presence of fire not usual, according to calling out and car call by the hall of call register apparatus 110 registrations, the distribution control setup 112 that group management control apparatus 100 is had, in order to have considered the operation of whole efficiency etc., to elevator control gear 104A, the floor that 104B and 104C indication should respond is to the only cage 102A of the hall call distribution that is registered, 102B or 102C.That is, distribute control setup 112 when disaster usual do not taken place,, carry out and considered cage 102A, the 102B of single-piece transport efficiency and the allotment of 102C according to lift group management control method in the past well known by persons skilled in the art.For example, for the calling of sending from hall, calculate the time till cage 102A, 102B and 102C arrive, the allotment of carrying out cage makes its aviation value become minimum.But, under the situation that fire has taken place, adopt the distribution method when usual, may not necessarily be preferentially to the high floor allotment cage of the degree of risk as near the floor the fire generation floor.Therefore, under the situation that fire has taken place, the method for minute distribution controlling method when usual need be changed, thereby promptly to the high floor allotment cage of degree of risk.
Stopping storey setting at each of elevator has fire detectors such as fire detector 114A, 114B, and the signal that the fire detector of these fire detectors 114A, 114B etc. will represent whether to have detected fire passes to the operational mode shifter 116 and the fire generation floor means of identification 118 of group management control apparatus 100.
The summary of an example of the action of the group management control apparatus 100 when with reference to Fig. 2 fire being taken place describes.The diagram of circuit of the summary of an example of the action of the group management control apparatus 100 of this example of expression shown in Fig. 2.When usual, group management control apparatus 100 carries out the control (S202) of usual pattern.During presence of fire, operational mode shifter 116 receives from the fire generation signal of the fire detector output of fire detector 114A or 114B etc., the instruction (S206) of the operation of taking refuge when to distributing control setup 112 to transmit the take refuge operation of operational mode when usual being switched to fire.In addition, at this moment, 116 pairs of call register apparatus of operational mode shifter 110 transmit forbids that the destination floor specification signal from cage 102A, 102B and 102C is the instruction (S208) of the registration of car call.Its result is taking refuge in servicely, and the person of taking of cage can not the named place of destination floor, and is as mentioned below, and the person's of taking following elevator floor is selected by the suitable floor selecting apparatus of elevator down 122.When distributing control setup 112 from operational mode shifter 116 reception switching command signals, group management control apparatus 100 enters into the master mode when taking refuge operation.The fire generation signal of exporting from the fire detector of fire detector 114A or 114B etc. is received by fire generation floor means of identification 118, identifies fire generation floor (S210).The relative importance value of taking refuge is determined device 120 according to the fire generation floor that is identified by fire generation floor means of identification 118 and as the position of the intrinsic floor of taking refuge of the superiors of building and undermost end layer, building etc., though determine to make in order to succour the people who waits at this hall cage towards each of cage response stop the relative importance value of taking refuge (S212) of floor.Each stops being determined of registration of take refuge relative importance value and the hall calling of floor with having or not that it doesn't matter.The back is elaborated to each definite method of stopping the relative importance value of taking refuge of floor with reference to Fig. 3.The hall calling signal of sending from the hall call button of hall call button 108A, 108B etc. is received by call register apparatus 110, is registered, is stored in (S214) in the hall call list with the cooresponding stop floor of the hall calling signal that is received successively according to the order that receives the hall calling signal.Call register apparatus 110 is in the state that receives the hall calling signal when flat, when receiving the hall calling signal, append and register in the hall call list.Each that determine that device 120 determines by the relative importance value of taking refuge stopped the relative importance value and be delivered to by the data of the hall call list of call register apparatus 110 registrations and distribute control setup 112 of taking refuge of floor.Distributing control setup 112 will be registered in stop floor in the stop floor in the hall call list, that the relative importance value of taking refuge is the highest selects to call out as the hall that will respond and sends floor (S216), the hall that responds is called out and is sent floor and be not assigned with cage 102A, 102B or 102C (below, be designated as 102 (X) sometimes) as yet.Next, distribute control setup 112 to distribute to selected (S218) that calls out the cage 102 (X) that sends floor at the hall that will respond of S216 selection.At whole cage 102 (X) when being assigned with, till the distribution that wait until a certain cage 102 (X) is disengaged always.Distribute 112 pairs of control setups and the selected cooresponding elevator control gear 104 of cage 102 (X) (X) to send instruction, make its response distribute the hall calling of cage 102 (X) to send floor (S220).That is, indication cage 102 (X) is advanced to sending floor in the hall that will the respond calling of S216 selection.Cage 102 (X) sends floor according to this indication to the hall calling that is assigned with and advances.Stop the data of the relative importance value of taking refuge of floor about each that determine by the relative importance value of taking refuge that device 120 determines, be delivered to the suitable floor selecting apparatus 122 of descending stair.The suitable floor selecting apparatus of descending stair 122 is selected to be made at the selected hall of S216 and calls out the suitable floor of descending stair (S222) that sends elevator under the people that floor takes.The hall that suitable floor selecting apparatus 122 responses of descending stair have been assigned with cage 102 (X) is called out, call out at selecteed hall and to send after floor waits for that the people of cage takes, elevator control gear 104 (X) to control cage 102 (X) sends indication, makes cage 102 (X) to (S224) advances at the selected stop floor that makes the person's of taking descending stair (the suitable floor of descending stair) of S222., return S216,, call out the selected cage 102 (X) of response successively, above-mentioned repeatedly processing for the high hall that is registered of the relative importance value of taking refuge according to the data of take refuge relative importance value and hall call list thereafter.
Next, each definite method of stopping the relative importance value of taking refuge of floor of determining device 120 based on the relative importance value of taking refuge in the group management control apparatus 100 is described.
As mentioned above, group management control apparatus 100 has fire generation floor means of identification 118, and the fire generation signal that this fire generation floor means of identification 118 transmits according to the fire detector from fire detector 114A or 114B etc. is discerned the location information of fire generation floor.Based on the location informations of taking refuge floor and holding layer of fire generation floor of being discerned by this fire generation floor means of identification 118 and group management control apparatus 100 inside preservations, the relative importance value of taking refuge is determined the relative importance value of taking refuge of device 120 definite each stop floors.
Suitably set the relative importance value of taking refuge that each stops floor, make the relative importance value of taking refuge of the floor that must sue and labour rapidly higher.Below, the example of determining of the relative importance value of taking refuge of this example is described.At first, show the relative importance value of taking refuge that each stops floor by " classification " and " rank " these two parameters.At first, stipulate that by the height of classification each stops the relative importance value of taking refuge of floor, the relative importance value height of taking refuge of the stop floor of the group that the relative importance value of taking refuge of the stop floor of the group that classification is high is set lowlyer than classification.Again, about belonging to the stop floor of identical category, the relative importance value of taking refuge of the stop floor that rank is high is set than higher.
Classification illustrates this stop floor and belongs to the take refuge state of floor or fire generation floor etc. or which kind of state or the attribute in the attribute.State or attribute as stopping floor have following four kinds: " the end layer " with the such attribute of the superiors or orlop; Be set in the building, have " floor of taking refuge " that can when disaster takes place, the attribute outside the building; " fire generation floor " by fire generation floor means of identification 118 states identification, that be in positive presence of fire; And " other " floor that does not belong to these floors.The state of certain stop floor or attribute belong to a plurality of kinds of time-likes in 4 kinds, preferentially specify the state of this stop floor according to " fire generation floor "＞" floor of taking refuge "＞" end layer "＞order of " other ".The value of classification is for example set as following.At first, because " fire generation floor " is the most dangerous, therefore establishes it and be the highest classification 5.Owing to think that " floor of taking refuge " is the safest, therefore be set at minimum classification 0 again.About the floor of " other ", according to the height of degree of risk to low ordinal ranking.To be clipped between " fire generation floor " and other " fire generation floor " and between the do not take refuge floor of " other " of floor be made as classification 4, will be clipped between " fire generation floor " and nearest " end layer " and between do not take refuge floor and this nearest end layer of " other " of floor be made as classification 3.Again, the floor that is clipped between fire generation floor and the nearest refuge story is made as classification 2, be clipped between refuge story and other refuge stories and do not have the floor of fire genetic horizon between this refuge story and other refuge stories or be clipped in refuge story and and immediate end layer between floor and this immediate end layer be made as classification 1.
Next, with reference to Fig. 3 an example of other regulation way of level is described.Other obtains method according to the difference of stopping the classification under the floor and difference level, but basically, can come definite by " fire genetic horizon " or " refuge story " and the position relation of stopping layer.Here, the aggregate value of the floor height of whole floorings of building is made as α, is made as X to the distance of nearest fire genetic horizon, the distance from refuge story to the fire genetic horizon is made as Y, be made as Z from stopping layer a distance, as following, set the rank of each classification to nearest refuge story.At first, the rank of the fire genetic horizon of classification 5 is made as α.Again, the rank of the refuge story of classification 0 is made as 0.The rank of the stop layer of classification 4, classification 3 is made as α-X.This expression is left fire floor relative importance value more and is reduced more.Again, be clipped in the rank of stop floor of the classification 2 of fire generation floor and the immediate floor of taking refuge, be according to the distance X of immediate fire generation floor with make rank begin minimizing from the floor of taking refuge to the ratio of the distance Y of fire generation floor from α.For example, the rank of the stop floor of classification 2 is made as α (1-X/Y).The rank of the stop floor of classification 1 be made as from this stop floor to the immediate floor of taking refuge apart from Z.
Fig. 4 illustrates the instantiation of the relative importance value of determining according to the classification that has illustrated as an example and other regulation way of level of taking refuge.Here, building is underground 5 layers, 25 layers 30 layers building on the ground, and each height of stopping floor is 3[m].Again, the floor of taking refuge is 1F and 9F.Usually, the floor of taking refuge is set at personnel in the building and can goes out floor outside this building.Fig. 4 is that fire has taken place for hypothesis 4F and 19F.At this moment, be 5 as the 4F of fire generation floor and the classification of 19F, be 0 as the 1F of the floor of taking refuge and the classification of 9F.Being clipped in 20F～24F between the end layer 25F of the fire generation floor 19F and the superiors and the classification of end layer 25F that should the interval is 3.Further, be clipped in 2F and 3F between fire genetic horizon 4F and the refuge story 1F, be clipped in the 5F～8F between fire genetic horizon 4F and the refuge story 9F and be clipped in fire genetic horizon 19F and refuge story 9F between the classification of 10F～18F be 2.At last, regulation is clipped in refuge story 1F and orlop promptly to hold B1～B4 between layer B5 and the classification of this end layer B5 is 1.
About rank, stipulate by method shown in Figure 3.The aggregate value α of the floor height of building is 3.0[m] * 30 layers=90.Therefore, be 90 as the 4F of fire genetic horizon and the rank of 19F.Again, the rank as refuge story 1F and 9F is 0.The rank that belongs to the floor of classification 3 is tried to achieve by the distance of this floor and fire genetic horizon.For example, the rank of 23F adopts the distance X of 23F and immediate fire genetic horizon 19F to be defined as α-X=90[m]-3.0[m] * 4 layers=78.The rank that belongs to the floor of classification 2 for example adopts the distance Y from refuge story to the fire genetic horizon, obtains by α (1-X/Y).For example, as the rank of the 12F of the floor that belongs to classification 2, X=3.0[m] * 7 layers=21, Y=3.0[m] * 10 layers=30,90 * (1-21/30)=27 (advancing one when the remainder occurring).Again, the rank of stop floor that belongs to classification 1 to the obtaining apart from Z of immediate refuge story, for example, the rank of B4 is 3.0[m according to this stop floor] * 4=12.
Next, explanation be to call out for the hall that is issued, distribute an example of the method for cage 102 (X) according to the relative importance value of taking refuge that is determined.As prerequisite, in this example, distribution control setup 112 in the group management control apparatus 100, be to go up the calling of direction or the calling of direction down no matter from the signal of the hall call button transmission of hall call button 108A, 108B etc., all with the identical mode of thinking to having sent the stop floor distribution cage that this hall is called out.The cage of calling out in response to hall 102 (X) is automatically towards by the selected suitable floor of descending stair of method described later, and therefore it doesn't matter with the direction self of calling.Again, the following situation of the distribution of the cage of this example is described, promptly 1 cage only distributes 1 hall to call out to send floor, call out for 1 hall and send the situation that floor only distributes 1 cage.In the example of Shuo Ming other, be suitable for different distribution methods in the back.
After, explanation be instantiation by the controlling apparatus for elevator group manage of these 3 cage 102A, 102B and 102C being controlled with cage 102A, 102B and the cooresponding elevator control gear 104A of 102C, 104B and 104C respectively 100.But,, also can implement in an identical manner even the number of the cage of being controlled increases.Group management control apparatus 100 will send floor that hall calls out successively and be recorded in the call register apparatus 110 that its inside has with as the hall call list.Distribution state and hall call list that each hall is called out remain in the call register apparatus 110 in the lump.Distribution state illustrates for each hall to call out whether distribute cage, under the situation of distributing cage, is that the cage 102 (X) of which system is assigned with.Certain hall call list constantly is as an example shown in Fig. 5 (a).
For example, with call out cooresponding distribution state from the hall of the 11F of the registration order 1 that is recorded as the hall call list and be " not ".This expression does not distribute any cage for calling out from the hall of the 11F that is recorded as registration order 1.Again, be " A " with calling out cooresponding distribution state from the hall of the 23F that is recorded as registration order 4, the cage 102A of the A of system is assigned to the floor that sends of this calling in 3 cages of this expression.About distribution state " B ", " C " also is the same, and expression B machine, C machine are respectively allocated to as hall and call out 22F, the 20F that sends floor.The hall that is assigned with cage is called out the relative importance value ratio of taking refuge send floor 23F, 22F, 20F and is registered in other the relative importance value height of taking refuge of stop floor in the hall call list shown in Fig. 5 (a).The new hall that receives is called out and is added last in the hall call list.On the contrary, the cage 102 (X) that is assigned with reaches hall that this cage will respond and calls out and send floor, after the person of taking is multiplied by cage and sets out, the hall call information that is registered in this floor in the hall call list is deleted, and the registration order that other halls are called out is put on.Upgrade so repeatedly, call register apparatus 110 always has registration the floor of hall calling and the up-to-date information of distribution state thereof to remain in the hall call list.
The hall calling of having selected to respond is sent after the floor, next, distributes the control setup 112 selected cages 102 (X) that will reply selecteed stop floor.As selected reference, for example general method is the selected the shortest cage 102 (X) of time that is spent till the selecteed stop floor that reaches.But, be the state shown in Fig. 5 (b) in the content of hall call list, and cage have under three the situation, the cage that can distribute is the cage 102B of the remaining B of system only, therefore cage 102B is assigned as the cage of response 24F.Its result, the hall call list is the state shown in Fig. 5 (c) from the state variation shown in Fig. 5 (b).
After, as long as there is the cage that can distribute, distribute control setup 112 just to continue to distribute cage 102 (X), till not having the cage that can distribute.After the cage 102 (X) that group management control apparatus 100 is managed all distributes, temporarily stop the distribution of later cage, wait until that always the cage 102 (X) that can distribute occurs.Like this, it is not the distribution method of carrying out by common group's management control of only having considered whole efficiency, but selects the stop floor that will respond successively according to the relative importance value of taking refuge of above explanation.
Next, the method for selecting the purpose floor of cages 102 (X) by the suitable floor selecting apparatus 122 of descending stair is described.In this manual, " purpose floor " is meant the stop floor that the person of taking that utilizes elevator gets off from cage, and " the suitable floor of descending stair " is the purpose floor that fire utilizes the person of taking of elevator refuge when taking place, and is meant the stop floor that safety or degree of risk are low.In this example, the hall that the suitable floor selecting apparatus 122 of descending stair is responded according to cage (X) is called out and is sent the selected path that can more safely move of floor, and the cooresponding floor of taking refuge in the path with chosen in the floor of taking refuge more than 1 that building is intrinsic is chosen to be the suitable floor of descending stair.Therefore, in this example, the purpose floor is some floors of taking refuge.Towards the floor of taking refuge can safe operation the path for example can be selected in the path that operating path does not have fire generation floor midway.Again, the method selected of the illustrative relative importance value of taking refuge of the employing Fig. 4 that next describes in addition.Now, establishing the floor hall that is assigned to cage 102 (X), to call out the position send floor be R, and the position of the stop floor of the floor P that is equivalent to take refuge is S
P, the classification that regulation is stopped the relative importance value of taking refuge of floor F is C (F), rank is L (F).At this moment, adopt value shown in Figure 4, the value of the S (P) that will calculate according to formula (1) is as path R → S
PDegree of risk.In the same manner, adopt the formula identical with formula (1) calculate from the position R of the stop floor that sends the hall calling to the cooresponding stop floor position of the floor Q S that takes refuge
QLong-pending and S (Q), with the value of S (Q) as path R → S
QDegree of risk.
Like this, the hall that is responded from cage (X) is called out and is sent the parameter of floor to the relative importance value of taking refuge of the path of the floor of taking refuge each stop floor that cage passed through midway according to the rules, each floor of taking refuge is calculated degree of risk, selected path, the path that its value is minimum as safety.Promptly, the suitable floor selecting apparatus 122 of descending stair is according to the classification and the rank of the parameter of the relative importance value of taking refuge as regulation, obtain the stop floor that has responded from cage (X) and advance to each degree of risk when taking refuge floor, with selected path, the path of degree of risk minimum as safety, will be selected as the suitable floor of descending stair with the cooresponding floor of taking refuge in chosen path.For example, when building is a state shown in Figure 4, try to achieve as following to the degree of risk in the path of each floor of taking refuge from 5F.According to value shown in Figure 4, the degree of risk with the floor 9F that takes refuge during as the purpose floor is, 2 * 54+2 * 36+2 * 18=216, and the degree of risk with the floor 1F that takes refuge during as the purpose floor is 5 * 90+2 * 60+2 * 30=630.So the judgement floor 9F little relatively safety of degree of risk during as the purpose floor of will taking refuge is carried out the operation of taking refuge thereby carrying the person of taking to this floor.The degree of risk in path is decided by whether contain fire generation floor in its path to a great extent.
The suitable floor of descending stair by the suitable floor selecting apparatus 122 of descending stair is selected passes to the elevator control gear (X) of control cage (X) by distributing control setup 112.
According to above explanation as can be known,, compare, can make cage quickly responds to needs the danger of act of rescue when fire takes place stop floor with common group's management control according to this example.Can make by safer path and utilize under the people that elevator takes refuge from the stop floor of danger to the purpose floor again.In addition, when the De Zhuan Condition such as position of fire generation floor etc. change, all upgrades take refuge relative importance value and the chosen suitable floor of descending stair at every turn.Renewal can easily be carried out from the variation of the signal of the fire detector of fire detector 114A, 114B etc. by 118 supervision of fire generation floor means of identification.
(the 2nd example)
The suitable floor selecting apparatus 122 of the descending stair of this example is by after the selected suitable floor of descending stair of method illustrated in the relevant record of the 1st example, under defined terms, the hall that is responded at cage 102 (X) is called out and is sent floor to the path of the chosen suitable floor of descending stair midway, selects to be judged as not to be to take refuge floor but be that safe stop floor is as the purpose floor with reference to predefined benchmark.For example, the classification of the relative importance value of taking refuge is though that stop floor below 2 is not the floor of taking refuge, still selected this stops floor of the suitable floor selecting apparatus 122 of descending stair is as the purpose floor of taking refuge and moving.Further, in other examples, will belong to classification and the rank of classification below 2 is that stop floor below 10 is as the security purpose floor in when operation of taking refuge.Set after this benchmark, suppose under the state of Fig. 4 of instantiation of relative importance value is taken refuge in expression cage (X) response 16F.At this moment, the suitable floor selecting apparatus 122 of descending stair is selected and is taken refuge floor 9F as the suitable floor of descending stair.The stop floor midway in the path of 16F to 9F all is a classification 2, and these are stopped, and rank is 10F at the stop floor below 10 in the floor, satisfies above-mentioned benchmark.Therefore, at this moment, the suitable floor selecting apparatus 122 selected 10F of descending stair march to 10F as purpose floor, the cage (X) of cage (X) from 16F.
According to this example, by selecting the floor stop floor that satisfies benchmark in addition of taking refuge as the purpose floor, can relax the concentrating of building personnel and the crowding of hall that are positioned at the floor hall of taking refuge, even if avoid new cage to arrive the situation that the person of taking also less can descend elevator, and shortened the traveling time of the cage in when operation of taking refuge, can call out expeditiously by other hall of rapid response and take refuge.Whether the hall of floor of taking refuge is crowded can be by being provided with the force-feeling sensor of the existence of surveying the people at hall, to pass to group management control apparatus 100 from force-feeling sensor's signal and judge, perhaps also can be group management control apparatus 100 judges according to take refuge behind the floor benchmark of " time of opening the door of cage 102 (X) is more than the specified value (30 seconds etc.) " etc. of arrival.
But, the method for selecting of the above-mentioned purpose floor of this example, just the kind of calling out at the hall that sends from the hall call button is not that wheelchair is called out but is performed during general (usually) calling.This be because, the kind that hall is called out is a wheelchair when calling out, even if be judged as safe stop floor, makes the person of taking under this stop floor during elevator, for the wheelchair user such take refuge the time dysbasia the people to force to utilize stair.Therefore, it is under the situation of wheelchair calling that hall is called out, and will be chosen to be the purpose floor of car 102 (X) by the selected floor of taking refuge of the floor system of selection of taking refuge of the suitable floor selecting apparatus 122 of the described descending stair of the 1st example.In this example, register the classification that hall is called out in the hall call list of the call register apparatus 110 that receives the hall calling in advance, the suitable floor selecting apparatus 122 of descending stair identifies the classification that hall is called out by reference hall call list.
(the 3rd example)
In this example, when illustrated distribution control setup 112 distributes cage in the record of relevant the 1st example, allow a plurality of cages of distribution for 1 hall calling.Whether allowed the judgement of the hall calling that distributes a plurality of cages, for example the height of the classification of the relative importance value of taking refuge by sending the stop floor that hall calls out is determined, call out for the hall that the stop floor that is subordinated to the classification more than the predetermined classification sends, allow to distribute a plurality of cages., send the value of classification of parameter of the relative importance value of taking refuge of the stop floor that hall calls out as regulation here, determine that from taking refuge of the relative importance value of taking refuge of determining to stop floor is preferential device 120 obtains.For example, suppose that the hall that sends for the stop floor that is subordinated to the classification of classification more than 3 calls out, allow to distribute 2 cages.Receive new hall when calling out, send classification under the stop floor that new hall calls out and be classification 3 when above, two of registrations are stopped halls callings of floor from this in the hall call list of call register apparatus 110.As mentioned above, distribute control setup 112 to determine the distribution of cage with reference to the hall call list of call register apparatus 110, therefore can by in advance in the hall call list a plurality of halls of registration call out to carry out and distribute control, make that the number of the cage that distributed is corresponding with the number of the hall calling of being registered.
According to this example, can make at the high stop floor of the relative importance value of taking refuge and wait for that the people of refuge elevator earlier takes refuge.
(the 4th example)
The relative importance value of taking refuge of this example determines that device 120 not only stops the state of floor or attribute and each according to each and stop the position relation of floor, and also the load information of obtaining according to the Weight detector 106A, the 106B that are had separately from cage 102A, 102B and 102C and 106C changes at the initial relative importance value of determining of taking refuge in service of taking refuge.But, for the relation that does not make the priority of distributing control is significantly collapsed, just change the rank of relative importance value of taking refuge, and can not change the classification of the relative importance value of taking refuge.Definite method of the relative importance value of taking refuge of taking refuge operation zero hour is as the 1st example is put down in writing.After the operation of taking refuge begins, in the operation control process of taking refuge, the relative importance value of taking refuge is determined device 120, the cage of calling out at the response hall 102 (X) reaches the stop floor that sends the hall calling according to the indication that distributes control setup 112, make the person of taking be multiplied by elevator, when closing elevator door, receive the information of Weight detector 106 (X), for example load factor.The relative importance value of taking refuge determines that device 120 increases and decreases the rank of the relative importance value of taking refuge according to the load factor even load information that is received.Take refuge relative importance value the level other increase and decrease method be not unique, for example the load factor that detected of the Weight detector 106 (X) of cage 102 (X) is less than under 80% the situation, the rank of the relative importance value of taking refuge of the stop floor that cage 102 (X) is responded reduces 10% from the value of determining originally, under load factor was situation more than 80%, the rank of the relative importance value of taking refuge of the stop floor that cage 102 (X) is responded increased by 10% from the value of determining originally.
According to this example, take the stop floor that the people of elevator tails off for wait, can reduce the relative importance value of the allotment of cage 102 (X) before the people gathers certain degree, the people to taking refuge who improves cage 102 (X) also has the distribution relative importance value of other a lot of stop floors.
(the 5th example)
In the above-mentioned relevant record of the 1st example, what illustrate is when distributing control setup 112 to select the cage 102 (X) that will respond selected 1 stop floor, at this cage 102 (X) in response to selecteed 1 stop floor, arrive the purpose floor, put down after the person of taking the situation of this cage 102 (X) of reallocating.The distribution control setup 112 of this example, the selected cage 102 (X) that will respond selected 1 stop floor, this car 102 (X) is in response to selected 1 stop floor, the elevator user takes car 102 (X) at this stop floor, during less than the value predesignated, distribute control setup 112 to make the stop floor of car 102 (X) at the load factor in the moment of closing elevator door in response to other.That is,, make the stop floor of cage 102 (X) under this person's of taking the state carrying in response to other when the load factor of the cage 102 (X) of having taken the man-hour of waiting at selected 1 stop floor during less than the value predesignated.Distribute control setup 112 to obtain the load factor of cage 102 (X) by information here, from the set Weight detector 106 (X) of cage 102 (X).For example, cage 102 (X) is in response to selected 1 stop floor, the elevator user takes cage 102 (X) at this stop floor, at the load factor in the moment of closing elevator less than under the situation such as 50% o'clock for example, distribute control setup 112 to be considered as to append the state that distributes cage 102 (X), send floor according to other halls callings that are registered in the hall call list and select suitable stop floor, call out the distribution of appending for selected other halls.
Again, in response to other halls that are added distribution call out floors, the load factor of having taken the cage 102 (X) after the user of elevator is during still less than the value predesignated, similarly, can also call out selection for other hall and can append the stop floor of distribution.
According to above explanation as can be known, according to this example, less take for the person of taking who takes refuge, load factor still has the cage of enough and to spare, carrying under the person's of taking the state, this cage is called out in response to other hall sent floor, can carry out taking refuge of personnel in the building thus expeditiously.
But, owing to need prevent owing to call out to other hall and to send floor and append to distribute and make cage 102 (X) move to the situation of the stop floor of danger, therefore send floor and append the branch timing calling out, need to be provided with the restriction that the hall that can distribute is called out to other hall.For example, additional such as " the stop floor of classification below the classification of the stop floor that is assigned with at first under only can responding ", " when the classification of affiliated classification and the stop floor that is assigned with at first is identical; the stop floor lower that only can respond rank " or " move the stop floor that just can not arrive for opposite sense not, only can respond in 2 floorings " such condition to the selected suitable floor of descending stair of the suitable floor selecting apparatus of descending stair 122 than the rank of the stop floor that is assigned with at first.Again, also can calculate identical with the degree of risk of passing through the travel path that the suitable floor selecting apparatus of descending stair 122 implements that the 1st example is put down in writing, obtain the degree of risk that moves to other travel paths when stopping floors from the stop floor that is assigned with at first, and additional " being that the value predesignated can respond when following in the degree of risk of being tried to achieve only " such condition.
By such restriction is set, can be under situation the about person of taking of cage not being exposed in the dangerous state, selection can be appended the stop floor of distribution.
(the 6th example)
The distribution control setup 112 of this example, even if whole cage 102 (X) is being carried out under the state that distributes, under the situation of newly having registered the hall calling of calling out the some high stop floor that sends floor from the relative importance value of taking refuge than the hall that these cages responded, change is assigned with the response distribution that the low hall of relative importance value calls out the cage that sends floor of taking refuge, and the high hall of the relative importance value of taking refuge of the new registration of this cage response is called out sent floor.At this moment, hall that the relative importance value of taking refuge of selected so that cage response is low is called out the distribution state of sending floor and is changed to unallocated.
For example, it is the state that the hall call list shown in Fig. 5 (a) is registered like that hall is called out, supposing that cage 102A, 102B and 102C are assigned to respectively responds under this state with 23F, 22F, 20F, and all 3 cages of being controlled for group management control apparatus 100 distribute.Under this state, send new hall from 21F and call out, and register.When the relative importance value of taking refuge that the hall that has distributed cage is called out take refuge relative importance value and the new registration floor 21F of 20F, 22F that registration stops floor and 23F compared, relative importance value was 20F＞21F (newly)＞22F＞23F.At this moment, distribute to new registration floor 21F, the distribution state of 23F is changed to " not " being registered with the take refuge cage 102A of the low 23F of relative importance value of response.According to circumstances, the cage 102B that is registered with response 22F is distributed to new registration floor 21F, the distribution state of 22F is changed to " not ".
According to this example, can call out for the high hall of the relative importance value of taking refuge and carry out the distribution of cage with adjusting to changed conditions.
But, no matter be what kind of situation, distributing altering is when taking refuge the high floor of relative importance value, can produce waste on the contrary sometimes.For example, be about to stop at cage in the stop floor that has distributed cage etc. under the situation, its efficiency ratio of stop floor that the cage response has been assigned with is higher.Therefore, the situation that can carry out distributing altering only limit to cage 102 (X) no show still in order to stop at the distribution floor that will respond the situation of the position that reduces speed now.Also have, when the cage 102 (X) of the low stop floor of the relative importance value of taking refuge that becomes the distributing altering object needs reverse directions in order to respond new hall calling, also do not carry out distributing altering.
(the 7th example)
The distribution control setup 112 of this example, whole cage 102 is being carried out under the state that distributes, cage 102 is being arrived the notice of taking time pass to the distribution state that is registered in the hall call list is sent floor for the hall calling of " not " hall very much.The form of notice is integrated into the kind of the equipment of equipment (figure does not show), for example sound radio device or the message read out instrument etc. that are arranged on hall.The equipment of notification received hall with the notice content propagation in hall.Cage 102 is arrived the notice of taking time to be propagated in the method for hall various very much, for example, by sound radio device (figure do not show) will " keep you waiting " such broadcast radiated in the method for hall, with the message of identical content be presented on the message read out instrument (figure does not show) method or and with the method for these sound radios and message demonstration.
According to this example, can pass on situation accurately by personnel in the building of elevator refuge to wanting, want by personnel in the building of elevator refuge can recognize utilize taking refuge of elevator can spend the long time, can obtain to judge is the relatively good stair reasonable judgement material of taking refuge that also is to use of wait elevator.
More than, various examples are illustrated, group management control apparatus of the present invention can adopt for example microcomputer (MPU), hardware such as ROM, RAM, install as embedded system, also can install by the hardware of special uses such as gate array, FPGA or cell array according to the embedded software action.
More than, as mentioned above, in example of the present invention, according to information such as the fire generation signal of fire detector etc. based on the fire generation floor that obtains from the building side, each is stopped floor determine the relative importance value of taking refuge, in group's management allocation algorithm when usual operation, carry out the distribution of cage based on the relative importance value of taking refuge of each stop floor.Thus, based on the relative importance value of taking refuge of respectively stopping floor of having considered degree of risk, can carry out the allotment of cage more neatly.Example of the present invention is that the group's management when usual operation distributes and adds the information of considering other in the control and the operation control of the taking refuge during fire of carrying out, and compared with prior art, can make algorithm have alerting ability.Again, different with the execution of definite floor in the building and the piston operation between the floor of taking refuge etc., do not need to be used for the device that in building personnel broadcast evacuation route etc., can suppress to be provided with cost.
Of the present inventionly be not limited to described each example, can the implementation phase, in the scope that does not break away from its main idea, be out of shape its inscape that discloses it specialized.And, can form various inventions by the above-mentioned a plurality of members that example disclosed of appropriate combination.For example, can from all inscapes shown in the example, delete several inscapes.Further, also can cross over the appropriate combined member of different examples.
Claims (9)
1. the group management control apparatus of an elevator, it carries out group's management control of a plurality of elevator devices, described a plurality of elevator device has a plurality of cages, makes the jacking system of cooresponding cage lifting, a plurality of elevator control gears of the cooresponding jacking system of control and cage, the group management control apparatus of this elevator is characterised in that, comprising:
The operational mode switching part, reception is from the signal of fire detector, when having received fire generation signal, described elevator device group's operational mode is switched to the fire evacuation operation, described fire detector be located at the building that is provided with described elevator device each stop floor;
Fire generation floor identification part is by the fire generation signal identification fire generation floor from described fire detector;
The relative importance value determination portion of taking refuge according to two sides of the intrinsic floor of taking refuge of described fire generation floor and described building or the position relation of a side and described stop floor, determines that described each stop the relative importance value of taking refuge of floor;
Call out register, the hall calling that registration is sent from stopping floor;
Distribute control part, according to the described relative importance value of taking refuge, from be registered in hall the described calling register and call out cooresponding hall and call out and send the hall calling that selections will respond in the floor and send floor, send floor for described selecteed hall calling, the selected cage that will respond from described a plurality of cages; With
The suitable floor of descending stair is selected portion, has following function: stop the described relative importance value of taking refuge of floor according to each that on travel path, passes through, send floor safest travel path to the travel path of the described floor of taking refuge and judge calling out from described selecteed hall, the suitable floor of descending stair of elevator passes to the described elevator control gear that described chosen cage is controlled with the suitable floor of chosen descending stair under the selected person's of the taking safety that is suitable for described chosen cage as the purpose floor.
2. the group management control apparatus of elevator as claimed in claim 1 is characterized in that, described calling register is that the type of call that wheelchair is called out or called out is usually registered to call out the hall calling of sending floor from hall also,
The selected portion of the suitable floor of described descending stair also has following function: when the hall calling that described cage responded is not the wheelchair calling, according to the relative importance value of taking refuge, selected be positioned at from described cage call out send floor to the travel path of the described chosen suitable floor of descending stair midway, be not floor but stop floor that the person of taking of described cage can take refuge safely the purpose floor of taking refuge as described cage.
3. the group management control apparatus of elevator as claimed in claim 1, it is characterized in that described distribution control part has for the high hall of determining by the described relative importance value determination portion of taking refuge of the relative importance value of taking refuge calls out the function of sending a plurality of described cages of floor distribution.
4. the group management control apparatus of elevator as claimed in claim 1, it is characterized in that, the described relative importance value determination portion of taking refuge has the function according to the relative importance value of taking refuge of initial each stop floor determined of load information change, and described load information is obtained from the Weight detector that carries respectively on described cage.
5. the group management control apparatus of elevator as claimed in claim 1, it is characterized in that, described distribution control part has following function: judge that from carrying at the load information that the Weight detector on the described cage is obtained load factor has under the situation of enough and to spare according to calling out at the 1st hall that described cage responded when sending floor and having carried the user, make described cage respond the 2nd hall and call out and send floor.
6. the group management control apparatus of elevator as claimed in claim 1, it is characterized in that, described distribution control part has following function: after having finished for the distribution of whole cages, newly registered when being higher than these halls that cage responded that distributed and calling out the hall of the some stop floors that send floor and call out, will be allocated to the take refuge cage of the low stop floor of relative importance value of response and change to the high stop floor of the described relative importance value of taking refuge of the new registration of response from the described relative importance value of taking refuge.
7. as the group management control apparatus of any described elevator among the claim 1-6, it is characterized in that described distribution control part also has the notice that described cage arrival is taken time very much and passes to the function that the described relative importance value of taking refuge is low and hall unallocated cage is called out the hall that sends floor.
8. the group management control method of an elevator, it carries out group's management control of a plurality of elevator devices, described a plurality of elevator device has a plurality of cages, makes the jacking system of cooresponding cage lifting, a plurality of elevator control gears of the cooresponding jacking system of control and cage, the group management control method of this elevator is characterised in that, comprising:
Reception is from the step of the signal of fire detector, and described fire detector is located at each stop floor of the building that is provided with described elevator device;
The operational mode switch step when described fire detector receives fire generation signal, switches to the fire evacuation operation with described elevator device group's operational mode;
Fire generation floor identification step is by the fire generation signal identification fire generation floor from described fire detector;
The relative importance value determining step of taking refuge according to two sides of the intrinsic floor of taking refuge of described fire generation floor and described building or the position relation of a side and described stop floor, determines that described each stop the relative importance value of taking refuge of floor;
Call out register step, the hall calling that registration is sent from stopping floor;
Hall is called out and to be sent floor and select step, according to the described relative importance value of taking refuge, calls out and sends the hall calling that selections will respond in the floor and send floor from call out cooresponding hall with the hall that is registered described calling register step;
Cage distributes controlled step, calls out for described selecteed hall and sends floor, the selected cage that will respond from described a plurality of cages;
The suitable floor of descending stair is selected step, stop the described relative importance value of taking refuge of floor according to each that on travel path, passes through, send floor safest travel path to the travel path of the described floor of taking refuge and judge calling out, the suitable floor of descending stair of elevator under the selected person's of the taking safety that is suitable for described chosen cage from described selecteed hall; With
The suitable floor of chosen descending stair is passed to the step of the described elevator control gear that described chosen cage is controlled as the purpose floor.
9. the group management control method of elevator as claimed in claim 8 is characterized in that, in described calling register step, is that the type of call that wheelchair is called out or called out is usually registered to call out the hall calling of sending floor from hall also,
In the selected step of the suitable floor of described descending stair, when the hall calling that described cage responded is not the wheelchair calling, according to the relative importance value of taking refuge, selected be positioned at from described cage call out send floor to the travel path of the described chosen suitable floor of descending stair midway, be not floor but stop floor that the person of taking of described cage can take refuge safely the purpose floor of taking refuge as described cage
The group management control method of described elevator also comprises, selected in the selected step of the suitable floor of described descending stair is not to take refuge floor but stop floor that the person of taking of described cage can take refuge safely during as the purpose floor of described cage, this purpose floor is passed to the step of the described elevator control gear that described chosen cage is controlled.
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| JP2010-001759 | 2010-01-07 | ||
| JP2010001759A JP2011140381A (en) | 2010-01-07 | 2010-01-07 | Device and method of group supervisory control for elevator having fire evacuation operation function |
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| CN102126652A true CN102126652A (en) | 2011-07-20 |
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| CN2010106195753A Pending CN102126652A (en) | 2010-01-07 | 2010-12-21 | Group management control device of elevator with disaster escaping operation function in fire disaster and method thereof |
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| CN102653372A (en) * | 2011-03-01 | 2012-09-05 | 东芝电梯株式会社 | Elevator |
| CN102897621A (en) * | 2011-07-27 | 2013-01-30 | 株式会社日立制作所 | Disaster response type elevator system |
| CN105600640A (en) * | 2016-03-23 | 2016-05-25 | 西继迅达（许昌）电梯有限公司 | Novel elevator firefighting control method and system |
| CN106794960A (en) * | 2014-11-11 | 2017-05-31 | 三菱电机株式会社 | Elevator device and elevator control method |
| CN114873395A (en) * | 2017-10-30 | 2022-08-09 | 株式会社日立制作所 | Elevator analysis system and elevator analysis method |
| CN117197968A (en) * | 2023-11-01 | 2023-12-08 | 广州雅图新能源科技有限公司 | Emergency guiding system and method for guiding rescue capsule in high-rise building |
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| JP6259369B2 (en) * | 2014-07-18 | 2018-01-10 | 株式会社日立ビルシステム | Call registration device for elevator |
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| JP2011140381A (en) | 2011-07-21 |
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Application publication date: 20110720 |