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CN101801831B - Elevator security system - Google Patents

Elevator security system Download PDF

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Publication number
CN101801831B
CN101801831B CN200780100629.1A CN200780100629A CN101801831B CN 101801831 B CN101801831 B CN 101801831B CN 200780100629 A CN200780100629 A CN 200780100629A CN 101801831 B CN101801831 B CN 101801831B
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CN
China
Prior art keywords
car
elevator
mischief
situation
safety precaution
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Expired - Fee Related
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CN200780100629.1A
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Chinese (zh)
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CN101801831A (en
Inventor
黑田慎一
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of CN101801831A publication Critical patent/CN101801831A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0012Devices monitoring the users of the elevator system

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  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

An elevator security system capable of judging the existence of the possibility of making a nuisance act or a criminal act to other users on board while making a mischievous act to veil a photographing portion of a security camera for prevention of photographing or after having made such a mischievous act and taking proper measures against these mischievous acts. The elevator security system having a car of an elevator and a security camera for photographing the inside of the car comprises an in-car-number-of-people detecting means for detecting the number of users boarding in the car, a mischief judging means for, if the state in which the brightness of image data photographed by the security camera is less than a predetermined brightness threshold continues for a certain period of time, during which the number of people detected by the in-car-number-of-people detecting means is one or more, judging that a mischievous act with respect to the security camera is made, and an anticrime operation means for, if the mischief judging means judges that the mischievous act is made, instructing an anticrime operation.

Description

Elevator safety system
Technical field
The present invention relates to elevator safety system.
Background technology
In elevator safety system in the past, usually the action of passenger in lift car is slower, but under the abnormal condition that produce act of violence, passenger's action is than very fast, be conceived to this situation, known elevator safety system is provided with: detect brightness space distribution in the lift car, and export the device of the signal corresponding with this brightness space distribution; Abnormity determining device, it is according to described and brightness space distribute unusual type, degree in the corresponding described car of signal determining; The action discriminating gear, it detects the frequency of described signal, differentiates thus the degree of the action of the interior people of car or object; The detection lift car stops at the detecting device outside the benchmark; The detecting device that detection Emergency door etc. is opened; And warning device.And described elevator safety system has the combination according to the output of the output of described abnormity determining device and described detecting device, selects the circuit (for example, with reference to patent documentation 1) of only processing according to the generation form of crime.
In addition, known in elevator safety system in the past (for example have following elevator safety system, with reference to patent documentation 2), this elevator safety system is provided for taking the pick up camera of taking the situation in the car taking of elevator in the car, and be provided for recording the VTR of the image that described pick up camera photographs, and have the failure detector for detection of described pick up camera or described VTR et out of order, also have the failure transmission device that when described failure detector detects fault, fault is sent to other system.Also known have elevator safety system that the illumination of being provided with reduces detecting unit and safety precaution unit (for example, with reference to patent documentation 3), described illumination reduces detecting unit when the brightness of the signal of video signal of exporting from the safety precaution pick up camera is lower than a reference value, it is detected reach below the predefined brightness in the car main body as taking, and output rescue running indication, the video recording indication, described safety precaution unit is when having exported rescue running indication from described illumination reduction detecting unit, make the described car main body of taking rest in nearest floor, when having exported the video recording indication from described illumination reduction detecting unit, record from the signal of video signal of described safety precaution pick up camera output.
In addition, also known in elevator safety system in the past (for example have following elevator safety system, with reference to patent documentation 4), this elevator safety system is that the surveillant of elevator or handler can retrieve the elevator monitoring arrangement of wanting the scene seen simply, in surveillance camera being located at the image monitoring device that records the supervision image in the elevator, the state of elevator record cell is set, the state of its record elevator is as the attribute of monitor record image, and to want the scene of seeing and retrieval unit is set in order can easily to find, when the supervision image of reproducing recorded, not only utilize the time on date, and utilize the operative condition of elevator to retrieve, and in order to watch the operation floor that monitors image and grasp elevator or the situation of door, operation conditions is arranged on the display unit of the operative condition of overlapping demonstration elevator on the reproduced image.
Patent documentation 1: Japanese kokai publication sho 58-113087 communique
Patent documentation 2: Japanese kokai publication hei 10-245172 communique
Patent documentation 3: TOHKEMY 2004-315186 communique
Patent documentation 4: TOHKEMY 2000-351546 communique
But, in the elevator safety system in the past shown in the patent documentation 1, unusual generation judgement in the car is to be undertaken by the frequency that detects the characteristic signals corresponding with brightness space distribution in the car, therefore, not only there is the behavior of blocking the photography section of the safety precaution pick up camera that is arranged on cab interior for the user in the car with hand or object, be difficult to detect the problem of this situation, and, in the situation that the photography section of safety precaution pick up camera is blocked, exist be difficult to by detect with car in the brightness space problem that the frequency of corresponding characteristic signals carries out the unusual generation judgement in the car that distributes.And, usually the action of the user in the car is slowly, but this be when producing act of violence unusual user's action to accelerate be prerequisite, the user carries out in the quick operated situation when unusual when not having, and has the problem that may be abnormal with this situation error detection.
And, in the elevator safety system in the past shown in the patent documentation 2, owing to be confined to detect the fault of safety precaution pick up camera, therefore, exist as the problem that lacks instantaneity for the reply of mischief behavior or criminal offence, in the elevator safety system in the past shown in the patent documentation 3, no matter have or not the user in the car, all carry out the safety precaution action detecting in the situation that is lower than a reference value from the brightness of the signal of video signal of safety precaution pick up camera output, thereby in car, do not take under user's the state of so-called empty car, illumination in car is because in the former thereby situation of turning off the light such as energy-conservation, also be considered as being lower than a reference value and carrying out the safety precaution action from the brightness of the signal of video signal of safety precaution pick up camera output, therefore, having may be to the problem that has or not mischief behavior or criminal offence this point to carry out wrong judgement.
And, in the elevator safety system shown in the above patent documentation, all do not consider the number of the user in the car when in judging car, having or not mischief behavior or criminal offence, for example, so close the mischief behavior (hoodwink) that photography section that a user only carried out blocking the safety precaution pick up camera for the safety precaution pick up camera hinders photography, or after a part of user among the user more than 2 people that take in car has carried out mischief behavior (hoodwink) to the safety precaution pick up camera, might carry out to other user who jointly takes molestation or criminal offence this point, can not correctly judge the problem that existence can not be carried out the suitable safe precaution measure corresponding with situation for mischief behavior or criminal offence.
Summary of the invention
The present invention proposes in order to address the above problem just, a kind of elevator safety system is provided, for example, can according to only be under the state of the empty car of what is called the illumination in the car because energy-conservation etc. former thereby turn off the light, or the photography section that user is only blocked the safety precaution pick up camera for the safety precaution pick up camera hinders the mischief behavior of photography, or after a user among the user more than 2 people that take in car has carried out the mischief behavior to the safety precaution pick up camera, might carry out to other user who jointly takes the situation in the such car of molestation or criminal offence, carry out the suitable safe precaution measure for these mischief behaviors etc.
The elevator safety system that the present invention relates to have in the hoistway that is configured in elevator lifting freely car and be arranged on the safety precaution pick up camera that is used in the described car taking in the described car, this elevator safety system constitutes to have: number detecting unit in the car, and the number of the user in described car is taken in its detection; The mischief identifying unit, the brightness of the view data that described safety precaution pick up camera photographs less than the state continuance certain hour of predetermined luminance threshold and the number that the number detecting unit detects in the described car during this period be that this mischief identifying unit is judged to be the mischief behavior of having carried out for described safety precaution pick up camera in the situation more than 1 people; And the safety precaution working cell, being judged to be in the situation of having carried out described mischief behavior at described mischief identifying unit, the safety precaution action is carried out in this safety precaution working cell order.
The present invention relates to elevator safety system, elevator safety system have in the hoistway that is configured in elevator lifting freely car and be arranged on the safety precaution pick up camera that is used in the described car taking in the described car, this elevator safety system constitutes to have: number detecting unit in the car, and the number of the user in described car is taken in its detection; The mischief identifying unit, the brightness of the view data that described safety precaution pick up camera photographs less than the state continuance certain hour of predetermined luminance threshold and the number that the number detecting unit detects in the described car during this period be that this mischief identifying unit is judged to be the mischief behavior of having carried out for described safety precaution pick up camera in the situation more than 1 people; And the safety precaution working cell, being judged to be in the situation of having carried out described mischief behavior at described mischief identifying unit, the safety precaution action is carried out in this safety precaution working cell order.Thus, bring into play following effect: can be determined with exactly and may not hinder the mischief behavior of photography or similarly after the mischief behavior in the photography section that has carried out blocking the safety precaution pick up camera, other user who jointly takes is carried out molestation or criminal offence, and can according to the situation in the car, carry out the suitable safe precaution measure for mischief behavior, molestation and criminal offence.
Description of drawings
Fig. 1 is the integrally-built block diagram of the elevator safety system of expression embodiments of the present invention 1~embodiment 5.
Fig. 2 is the diagram of circuit of acts of determination of the mischief identifying unit of expression embodiments of the present invention 1.
Label declaration
1 car; 2 safety precaution pick up cameras; 3 view data; 4 elevator monitor units; 5 mischief identifying units; 6 car load detectors; 7 car load datas; 8 mischief detection signals; 9 safety precaution working cells; 10 display units; 11 switch portion; 12a the 1st command signal; 12b the 2nd command signal; 12c the 3rd command signal; 13 elevator control gears; 14 voice aviso devices; 15 the 1st communication units; 16 elevators are concentrated central monitoring position; 17 the 2nd communication units; 18 notification units.
The specific embodiment
Embodiment 1
Fig. 1 relates to embodiments of the present invention 1~embodiment 5, is the integrally-built block diagram of expression elevator safety system.
And Fig. 2 is the diagram of circuit of the acts of determination of the mischief identifying unit 5 of narrating later in the expression embodiments of the present invention 1.
In the drawings, 1 is illustrated in the car of lifting in the hoistway that does not have graphic elevator, be arranged on the safety precaution pick up camera 2 in this car 1, taking image that described car 1 interior situation obtains as view data 3, export to the mischief identifying unit 5 of being located at elevator monitor unit 4.And, be provided with the car load detector 6 of the load that detects described car 1 at described car 1, take the unit of the number of the user in described car as detection, this car load detector 6 as car load data 7, is exported to described mischief identifying unit 5 to the load that imposes on described car 1 that detects.
Described mischief identifying unit 5 is according to described view data 3 and described car load data 7, determine whether described safety precaution pick up camera 2 has been carried out the mischief behavior, as described later, at the average brightness of the brightness of the described view data 3 of the expression state continuance certain hour less than predetermined luminance threshold, and in the situation that described car load data 7 has continued greater than the state of the 1st load threshold value during this period, described mischief identifying unit 5 is judged to be the mischief behavior (hoodwink) of described safety precaution pick up camera 2 having been carried out hindering its photography, and will represent that the mischief detection signal 8 of this situation exports to the safety precaution working cell 9 of being located at described elevator monitor unit 4.In addition, described the 1st load threshold value is redefined for the value that satisfies following condition, that is, and and car during greater than described car 1 unmanned state load and below the car load when a user of SBW takes the state of described car 1.
This is based on following thinking and sets, at described car load data 7 greater than described the 1st load threshold value, be that the user takes under the state of described car 1, illumination in the described car 1 can be owing to energy-conservation etc. not former thereby turn off the light, can think that in principle the illumination of described car 1 is in bright light, thereby the average brightness of common described view data 3 is greater than certain certain value, but the average brightness of this described view data 3 less than the situation more than the state continuance certain hour of described luminance threshold under, the user who takes described car 1 might pass through someway, photography section such as block described safety precaution pick up camera 2 with hand or object etc. hinders the photography of described safety precaution pick up camera 2.
And, as described later, at the average brightness of the described view data 3 state continuance certain hour less than predetermined luminance threshold, and in the situation that described car load data 7 has continued greater than the state of the 2nd load threshold value during this period, described mischief identifying unit 5 is judged to be a part of user among the user more than 2 people that take in car the safety precaution pick up camera has been carried out hindering the mischief behavior of its photography after, might carry out molestation or criminal offence to other user who jointly takes, and will represent that the mischief detection signal 8 of this situation exports to the safety precaution working cell 9 of being located at described elevator monitor unit 4.In addition, described the 2nd load threshold value is redefined for the value that satisfies following condition, that is, the car load when taking the state of described car 1 greater than a user of SBW, and below the car load when 2 users of SBW take the state of described car 1.
Receive the safety precaution working cell 9 of described mischief detection signal 8, to the display unit 10 of being located at described elevator monitor unit 4 and switch portion 11 outputs the 1st command signal 12a.
Described switch portion 11 is mounted in the normal open switch between described safety precaution pick up camera 2 and the described display unit 10, closed when receiving described the 1st command signal 12a, described view data 3 is imported into described display unit 10, shows the image that is photographed by described safety precaution pick up camera 2 at described display unit 10.
And, described display unit 10 is when receiving the described car load data 7 of expression greater than described the 1st command signal 12a of described the 1st load threshold value, for example show " the safety precaution pick up camera is by mischief " this message, the surveillant reports to the police to elevator, might block the mischief behavior that the photography section of described safety precaution pick up camera 2 hinders its photography in order to notify independent 1 people to take user in described car 1.
And, described display unit 10 is when receiving the described car load data 7 of expression greater than described the 1st command signal 12a of described the 2nd load threshold value, for example show " in elevator, carrying out molestation " this message, the surveillant reports to the police to elevator, so that notice is taken after a part of user among the user more than 2 people in described car 1 carried out hindering the mischief behavior of its photography to described safety precaution pick up camera 2, might carry out molestation or criminal offence to other user who jointly takes.
In addition, receive described the 1st command signal 12a and closed described switch portion 11, stopping to export described the 1st command signal 12a from described mischief identifying unit 5, again disconnect in the time of can not receiving described the 1st command signal 12a.
Fig. 2 is the diagram of circuit of the mischief acts of determination of the described mischief identifying unit 5 of expression.
At first, in step S1, described mischief identifying unit 5 is for example obtained from the described view data 3 of described safety precaution pick up camera 2 outputs with the frequency of 30 of per seconds, then in step S2, add the brightness value of pixel unit to the described view data 3 that obtains, after all the addition of the brightness value of pixel finishes, this additive value divided by total pixel number, is calculated the average brightness of described view data 3 thus.
And, after calculating average brightness, change step S3 over to, obtain at this time point by the described car load data 7 that described car load detector 6 detects, then change step S4 over to.In this step S4, judge whether described average brightness and described car load data 7 satisfy following two conditionals (processing of the 1st condition criterion) simultaneously.
The described average brightness that in step S2, calculates<described luminance threshold
The described car load data 7 of in step S3, obtaining>described the 1st load threshold value (perhaps described the 2nd load threshold value)
Satisfy at the same time in the situation of these two conditionals changing step S5 over to, be considered as and carrying out the mischief behavior, mischief is judged that count value (initial value 0) adds 1, changes step S6 over to.In step S6, judge whether described mischief judgement count value satisfies following conditional (processing of the 2nd condition criterion) simultaneously.
Count value>count threshold is judged in described mischief
Satisfying in the situation of this conditional, namely, in the situation greater than described count threshold after the count value addition is judged in mischief described in the step S5, change step S7 over to, export the 1st command signal 12a to described display unit 10 and described switch portion 11, described mischief is judged after count value is initialized as 0 returned step S1.And in the situation that does not satisfy this conditional, that is, described mischief is judged count value in the situation below the described count threshold, keeps described mischief to judge the current value of count value, returns step S1.
On the other hand, in the 1st condition criterion of step S4 is processed, in the situation of at least one conditional that does not satisfy two conditionals in judgement, using, change step S8 over to, described mischief is judged after count value is initialized as 0 returned step S1.
In the elevator safety system that consists of as mentioned above, the average brightness of the view data that photographs at the safety precaution pick up camera is during less than the state continuance certain hour of predetermined luminance threshold, when the load of car during this period is in the situation about having continued of the state below the 1st load threshold value, because nobody in the car, thereby be judged to be and do not carry out mischief behavior etc. (illumination in the car is because energy-conservation etc. former thereby turn off the light, the perhaps illumination et out of order in the car), do not report to the police to the elevator surveillant, when the load of car during this period greater than the 1st load threshold value, and be in the lasting situation of the following state of the 2nd load threshold value, be judged to be independent 1 people and take the mischief behavior that photography section that user in car 1 carried out blocking the safety precaution pick up camera hinders its photography, make the display unit of elevator monitor unit show the predetermined message etc. of this situation of expression, the surveillant reports to the police to elevator, in the situation that the load of car has during this period continued greater than the state of the 2nd load threshold value, after being judged to be a part of user among the user more than 2 people that take in car the safety precaution pick up camera having been carried out hindering the mischief behavior of its photography, might carry out molestation or criminal offence to other user who jointly takes, make the display unit of elevator monitor unit show the predetermined message etc. of this situation of expression, the surveillant reports to the police to elevator, thus, can judge exactly only be under the state of the empty car of what is called the illumination in the car because energy-conservation etc. former thereby turn off the light, or the photography section that user has only carried out blocking the safety precaution pick up camera for the safety precaution pick up camera hinders the mischief behavior of photography, still take after a user among the user more than 2 people in car carried out the mischief behavior to the safety precaution pick up camera, might carry out to other user who jointly takes the situation in the such car of molestation or criminal offence, carry out suitable safe precaution measure for these mischief behaviors etc. by the elevator surveillant.
Embodiment 2
In the structure of the embodiment 1 narrated in front at the embodiment 2 of this explanation, be judged to be in the situation of in described car 1, having carried out mischief behavior etc. at described mischief identifying unit 5, by being located at the voice aviso device in the described car 1, the implementer of this mischief behavior in the described car 1 etc. carries out the warning corresponding with the content of this mischief behavior etc.
Namely, receive the described safety precaution working cell 9 by the described mischief detection signal 8 of described mischief identifying unit 5 outputs, to elevator control gear 13 outputs the 2nd command signal 12b of the running etc. of control elevator, described elevator control gear 13 indications that receive the 2nd command signal 12b are located at voice aviso device 14 output needles in the described car 1 to the alert message of mischief behavior etc.
Wherein, this alert message hypothesis be according to described car load data 7 greater than described the 1st load threshold value or greater than described the 2nd load threshold value different information, at described car load data 7 greater than described the 1st load threshold value and in the situation below described the 2nd load threshold value, this alert message for example is the message of " please stop the mischief to the safety precaution pick up camera ", in the situation of described car load data 7 greater than described the 2nd load threshold value, this alert message for example is the message of " please stop at the molestation in the elevator ".
And, as the alert message output indication method of exporting in this case described voice aviso device 14 from described elevator control gear 13, can consider following method, in described elevator control gear 13 and described voice aviso device 14, prepare the shared table of the corresponding relation of having determined index sequence number and message content in advance, described elevator control gear 13 sends this index sequence number, the described voice aviso device 14 outputs message corresponding with the described index sequence number that receives.
For aforesaid example, the content of described table is made as index sequence number 1: " please stop the mischief to the safety precaution pick up camera ", index sequence number 2: " please stop at the molestation in the elevator ", at described car load data 7 greater than described the 1st load threshold value, and in the situation below described the 2nd load threshold value, described elevator control gear 13 sends index sequence numbers 1 to described voice aviso device 14, the message that described voice aviso device 14 outputs are corresponding with the described index sequence number 1 that receives, the message that namely " please stop the mischief to the safety precaution pick up camera ".And, in the situation of described car load data 7 greater than described the 2nd load threshold value, described elevator control gear 13 sends index sequence numbers 2 to described voice aviso device 14, the described voice aviso device 14 outputs message corresponding with the described index sequence number 2 that receives, the message that namely " please stop at the interior molestation of elevator ".
In addition, the mischief acts of determination of the described mischief identifying unit 5 in the present embodiment is identical with the mischief acts of determination of described mischief identifying unit 5 in the embodiment 1 shown in Figure 2.
In the elevator safety system that consists of as mentioned above, be judged to be in the situation of in car, having carried out mischief behavior etc. at the mischief identifying unit, from being located at the voice aviso device output alert message corresponding with the number of taking the user in car in the car, warn by the implementer to this mischief behavior in the car etc., needn't be by elevator surveillant's operation, can automatically carry out rapidly the suitable warning corresponding with the situation in the car, can carry out for the mischief behavior, the suitable safe precaution measure of molestation or criminal offence.
In addition, voice aviso device output according to the situation in the car and different warning messages also can be that tone color or volume are according to the situation in the car and different alarm sounds.
Embodiment 3
In the structure of the embodiment 1 narrated in front or embodiment 2 at the embodiment 3 of this explanation, be judged to be in the situation of in described car 1, having carried out mischief behavior etc. at described mischief identifying unit 5, circular is concentrated central monitoring position to elevator, and it is to monitor the facility that is arranged on the elevator in a plurality of buildings by the service companies of elevator or the unifications such as management company of mansion that this elevator is concentrated central monitoring position.
Namely, receive the described safety precaution working cell 9 by the described mischief detection signal 8 of described mischief identifying unit 5 outputs, to the 1st communication unit 15 outputs the 3rd command signal 12c that is located at described elevator monitor unit 4, receive described the 1st communication unit 15 of the 3rd command signal 12c, utilize such as internet or the such communication line of radiolink (PHS etc.), send to the 2nd communication unit 17 of being located at elevator and concentrating central monitoring position 16 and to be illustrated in the signal that carries out mischief behavior etc., it is the facilities that are arranged on the elevator in a plurality of buildings by unification such as the management company supervision of the service companies of elevator or mansion that this elevator is concentrated central monitoring position 16.And, receive this described the 2nd communication unit 17 that is illustrated in the signal that carries out mischief behavior etc., concentrate the notification unit 18 of central monitoring position 16 to send order to being located at described elevator, the described notification unit 18 that receives this order concentrates the surveillant of central monitoring position 16 to report to the police by the tinkle of bells that pipes etc. to described elevator.
Wherein, this the tinkle of bells be made as according to described car load data 17 greater than described the 1st load threshold value, or greater than described the 2nd load threshold value different tone color or volumes, in this case, the tinkle of bells in described notification unit 18, pipe different tone colors or volume, can be with described the 3rd command signal 12c and the described signal that carries out mischief behavior etc. that is illustrated in, distinguish be made as according to described car load data 17 greater than described the 1st load threshold value, or greater than described the 2nd load threshold value different signals.
In addition, the mischief acts of determination of the described mischief identifying unit 5 in the present embodiment is identical with the mischief acts of determination of embodiment 1 shown in Figure 2 and the described mischief identifying unit 5 in the embodiment 2.
In the elevator safety system that consists of as mentioned above, be judged to be in the situation of in car, having carried out mischief behavior etc. at the mischief identifying unit, circular is concentrated central monitoring position to elevator, receive this circular, be located at notification unit that elevator concentrates central monitoring position according to the situations such as number of taking the user in car pipe tone color or the different the tinkle of bells of volume, can carry out for the mischief behavior according to the situation in the car thus, the suitable safe precaution measure of molestation or criminal offence is such as making elevator concentrate the personnel of central monitoring position to rush for fast scene etc.
Embodiment 4
In the structure of embodiment 1~embodiment 3 of narrating in front at the embodiment 4 of this explanation, be judged to be in the situation of in described car 1, having carried out mischief behavior etc. at described mischief identifying unit 5, make described car 1 rest in nearest floor and the wait of opening the door.
Namely, receive the described safety precaution working cell 9 by the described mischief detection signal 8 of described mischief identifying unit 5 outputs, described the 2nd command signal 12b of described elevator control gear 13 outputs to the running etc. of control elevator, the described elevator control gear 13 that receives the 2nd command signal 12b is controlled, and makes described car 1 rest in nearest floor and the wait of opening the door.
In addition, the mischief acts of determination of the described mischief identifying unit 5 in the present embodiment is identical with the mischief acts of determination of embodiment 1 shown in Figure 2 and the described mischief identifying unit 5 in the embodiment 2.
In the elevator safety system that consists of as mentioned above, be judged to be in the situation of in car, having carried out mischief behavior etc. at the mischief identifying unit, by making car rest in nearest floor and the wait of opening the door, make and remove so-called secret room state in the car, be in the state that can be monitored by everybody, can prevent mischief behavior, molestation or criminal offence thus.
And, after a part of user among the user more than 2 people that take in car has carried out the mischief behavior to the safety precaution pick up camera, other user who jointly takes is carried out in the situation of molestation or criminal offence, and this other user can access the implementer's who flees from this molestation or criminal offence chance.
Utilizability on the industry
As mentioned above, elevator safety system of the present invention mischief behavior in preventing lift car etc. aspect more useful.

Claims (6)

1. elevator safety system, described elevator safety system have the lifting that is configured in the elevator hoistways freely car and be arranged on the safety precaution pick up camera that is used for taking the situation in the described car in the described car, it is characterized in that described elevator safety system has:
Number detecting unit in the car, the number of the user in described car is taken in its detection;
The mischief identifying unit, the brightness of the view data that described safety precaution pick up camera photographs less than the state continuance certain hour of predetermined luminance threshold and the number that the number detecting unit detects in the described car during this period be that this mischief identifying unit is judged to be the mischief behavior of having carried out for described safety precaution pick up camera in the situation more than 1 people; The brightness of the view data that described safety precaution pick up camera photographs less than the state continuance certain hour of predetermined luminance threshold and the number that the number detecting unit detects in the described car during this period be that described mischief identifying unit is judged to be and has carried out for the mischief behavior of described safety precaution pick up camera and for the molestation of not taking the person jointly or criminal offence in the described car in the situation more than 2 people; And
The safety precaution working cell is judged to be in the situation of having carried out described mischief behavior at described mischief identifying unit, and the safety precaution action is carried out in this safety precaution working cell order;
Be judged to be in the situation of only having carried out described mischief behavior and described mischief identifying unit is judged to be in the situation of having carried out described mischief behavior and described molestation or described criminal offence at described mischief identifying unit, the safety precaution action that described safety precaution working cell order is carried out is different.
2. elevator safety system according to claim 1 is characterized in that, the number detecting unit has car load detecting unit in the described car, and described car load detecting unit is located at described car, for detection of the load that imposes on described car.
3. elevator safety system according to claim 1 is characterized in that, described elevator safety system has:
The elevator monitor unit, it monitors the state of elevator; And
Display unit, it is located at described elevator monitor unit, in situation about receiving from the order of described safety precaution working cell, described display unit indicator gauge is shown in the image that the message of having carried out described mischief behavior or described molestation or described criminal offence in the described car and described safety precaution pick up camera photograph.
4. elevator safety system according to claim 1, it is characterized in that, described elevator safety system has the voice aviso device, described voice aviso device is located in the described car, in situation about receiving from the order of described safety precaution working cell, described voice aviso device carries out the warning for the implementer of described mischief behavior or described molestation or described criminal offence.
5. elevator safety system according to claim 1, it is characterized in that, described elevator safety system has communication unit, in situation about receiving from the order of described safety precaution working cell, described communication unit circular elevator concentrates central monitoring position to carry out described mischief behavior or described molestation or described criminal offence in described car, and it is the unified facility that is arranged on the elevator in a plurality of buildings that monitors that described elevator is concentrated central monitoring position.
6. elevator safety system according to claim 1, it is characterized in that, described elevator safety system has elevator control unit, and in situation about receiving from the order of described safety precaution working cell, described elevator control unit makes described car rest in nearest floor back pullout (BPO) and waits for.
CN200780100629.1A 2007-10-11 2007-10-11 Elevator security system Expired - Fee Related CN101801831B (en)

Applications Claiming Priority (1)

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PCT/JP2007/069800 WO2009047850A1 (en) 2007-10-11 2007-10-11 Elevator security system

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