JP4679909B2 - Elevator fire operation system - Google Patents

Description

  The present invention relates to an elevator operation system for a fire that efficiently guides a visitor near a fire floor to an evacuation floor when a fire occurs in a building or the like.

  The conventional elevator control device collates the output signal of the priority stop floor storage means storing the priority stop floors ranked in advance with the output signal of the fire detection means provided on each floor of the building, and A floor that has not occurred is selected as a stop floor of the elevator car and is output to the control panel of the elevator (for example, see Patent Document 1).

  In addition, the conventional economic value evaluation support system for buildings uses the data of the elevator operation record database that collects elevator operation records to calculate the time of the number of visitors on each floor by calculating means for calculating the popularity index of the building. The integrated value is calculated, the average value of each floor of the time integral value of the number of customers for the entire building is calculated, and the average number of visitors on each floor is obtained (for example, see Patent Document 2).

  In addition, a conventional system for acquiring the distribution of personnel within a building is used to change information on the number of people traveling between the elevator and each floor, and to change the load capacity by using a weight sensor each time an elevator stops at each floor. Or a moving number acquisition means for acquiring information on the number of visitors for each floor by accumulating the above moving number of persons by means of image recognition using an infrared camera, etc. Distribution is acquired (for example, refer patent document 3).

Japanese Patent Laid-Open No. 10-182029 JP 2003-186971 A JP 2003-95550 A

In the conventional elevator control apparatus, the only criterion for selecting the stop floor from the stop floors ranked in advance is that no fire has occurred, and the number of customers staying on the fire floor is not taken into consideration.
Therefore, when the number of visitors on the fire floor is large, or when a stop floor that is farther away than the fire floor is selected, there is a problem in that visitors on the fire floor cannot be efficiently guided.

In addition, in the conventional building economic value evaluation support system, the means for calculating the number of visitors on each floor is obtained using data recorded in the elevator operation record database, and the transition of the number of visitors can be reflected immediately. It is not a thing.
For this reason, when a fire breaks out in a building, there is also a problem that it is not suitable as a means for obtaining the number of visitors on the fire floor.

  In addition, in the conventional system for acquiring personnel distribution in buildings, the number of visitors on each floor is reflected at the same time as the operation, but there is no capture function for fire occurrence information. Has stopped, and there was also a problem that it was not possible to guide visitors.

  The object of the present invention is to solve the above-mentioned problems. The purpose of the present invention is to grasp the number of visitors on each floor as needed and to increase the number of visitors near the fire floor in the event of a building fire. It is to provide an elevator fire operation system that selects an appropriate evacuation floor accordingly.

The elevator operation system according to the present invention is provided in an elevator car, and includes passenger measurement means for measuring the number of passengers getting on and off the elevators on each floor of the building, and the number of visitors on each floor by accumulating the increase and decrease of the number of passengers. The evacuation floor is selected by means of estimating the number of visitors, the fire detector installed on each floor, which outputs fire floor information in the event of a fire in the building, and information on the fire floor and the number of visitors Emergency operation means for driving the elevator , the emergency operation means includes information on the fire floor, the number of elevator operations obtained by dividing the number of visitors on the floor including the fire floor by the maximum number of passengers in the elevator, and fire The evacuation floor is selected according to the elevator lift time required for the round trip between the floor and the evacuation floor .

  According to the elevator driving system of the present invention, the number of visitors on each floor is ascertained at any time, and when a fire occurs in a building, the information on the fire floor sensed by the fire detector, the number of visitors on the fire floor, Since the elevator is guided and operated by selecting the evacuation floor, visitors near the fire floor can be guided efficiently.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding members and parts will be described with the same reference numerals.
Embodiment 1 FIG.
1 is a block diagram showing a configuration of an elevator fire-time operation system according to Embodiment 1 of the present invention.
In FIG. 1, an elevator fire operating system 1 includes passenger measuring means 3 provided in a car 2, passenger number estimating means 4, fire detector 5, and emergency operation means included in an elevator control device 7. 6 and first moving customer measuring means 8.

The car 2 moves up and down a hoistway (not shown) and has passenger measuring means 3.
Passenger measuring means 3 takes an infrared image including passengers with an infrared camera (not shown) provided in car 2, reads the number of passengers on the floor of the building from that image, and estimates the number of visitors. 4 is output.
The visitor number estimating means 4 accumulates the number of elevator passengers read by the passenger measuring means 3 to estimate the number of visitors on each floor and outputs it to the emergency operation means 6.

The fire detector 5 connected to the emergency operation means 6 is attached to each floor of the building, and outputs a fire occurrence and information on the fire floor to the emergency operation means 6 when a fire occurs.
The emergency operation means 6 is included in the elevator control device 7, selects the evacuation floor based on the information on the number of visitors from the visitor number estimation means 4 and the information on the fire floor from the fire detector 5, and leads to the car 2. Send the operation command.

The first moving customer measuring means 8 connected to the visitor number estimating means 4 is installed in a passage such as stairs or escalators connecting between the floors, or in the entrance of a building, and from a certain floor using stairs or escalators. A person who moves to another floor and a person who goes in and out of the building are counted as the number of people M1, and is output to the visitor number estimating means 4.
Here, there is a method of measuring the number of moving people, for example, using a camera (not shown) provided in a stairway passage connecting the floors of a building.

  The passenger measuring means 3 is not limited to the one that shoots an infrared image including passengers with an infrared camera, and may be one that shoots a person image with a video camera or provided in the car 2. The number of passengers may be estimated from the measured value of the weight sensor.

Hereinafter, the operation of the elevator operation system 1 having the above-described configuration will be described.
Passenger measuring means 3 takes an infrared image including passengers with an infrared camera by opening and closing doors, etc., reads the number of passengers on each floor of the building from the image, and estimates the number of passengers on each floor Output to means 4.
At the same time, the first moving customer measuring means 8 measures a person who moves from one floor to another floor using a staircase, an escalator, etc., and a person who enters and exits the building as the moving number M1, and in each floor The number of moving people M1 is output to the visitor number estimating means 4.

  The visitor number estimating means 4 estimates the number of staying guests on each floor from the number of passengers measured by the passenger measuring means 3 and the number of moving persons M1 measured by the first moving customer measuring means 8.

  Here, when the fire detector 5 detects a fire, the emergency operation means 6 selects the evacuation floor based on the information on the fire floor from the fire detector 5 and the number of guests on each floor from the visitor number estimation means 4. The operation command is transmitted to the car 2.

Here, the procedure for estimating the number of visitors of the elevator fire operating system 1 configured as described above will be described in more detail using a flowchart.
FIG. 2 is a flowchart showing a procedure for estimating the number of visitors of the elevator fire driving system 1 according to Embodiment 1 of the present invention.

  In this embodiment, as an example, the building does not have an underground floor, and has an h floor from the first floor to the highest floor h (an integer greater than or equal to 2), and at least one evacuation elevator is installed. It is assumed that the total number of elevators j (an integer equal to or greater than 2) is included, and fire detectors 5 are provided on each floor.

Each elevator E (j) includes the number of visitors N (i) corresponding to an arbitrary floor i (i = 1 to h), an increase / decrease value ΔN (i) due to a change with time, and a floor including an arbitrary floor i. Each variable includes the number of people M1 (i) who move between the floors and the corrected number of visitors N ′ (i).
First, all the above variables are initialized to 0 (step S101).

Subsequently, it is determined whether or not the number of passengers has increased or decreased before and after arrival of the elevator E (j) on the floor i (step S102).
In step S102, when it is determined that the number of passengers has increased or decreased (that is, Yes), a value obtained by adding the current increase / decrease value ΔN (i) to the previous visitor number N (i) (= N (i) + ΔN (I)) is updated and set as the number of visitors N (i) by only the passengers of this elevator (step S103).
On the other hand, if it is determined in step S102 that the number of passengers does not increase or decrease (that is, No), the process returns to step S102.

  Next, by adding the number of visitors M1 (i) and the number of visitors N (i) that move between the escalator, the stairway, and the entrance of the building, it is more reliable than the number of visitors N (i) only by elevator users. The corrected number of visitors N ′ (i), which is highly probable, is obtained as in the following equation (1) (step S104).

  N ′ (i) = N (i) + ΔM (i) (1)

Here, the corrected number of visitors N ′ (i) is obtained using the result of the first moving customer measuring means 8, but the estimated mobility Δμ (i) of the visitors obtained empirically in the floor i. May be used.
At this time, the corrected number of visitors N ′ (i) can be expressed by the following equation (2).

  N ′ (i) = N (i) · (1 + Δμ (i)) (2)

  In addition, in buildings where there are no escalators or in low-utilization stairs passages, for example, relatively high-rise buildings, the impact on the number of visitors N (i) by the number of people M1 (i) is considered to be low. You can ignore it.

Next, it is determined whether or not there is a cancel command (step S105). If it is determined that there is a cancel command (that is, Yes), the processing in FIG. 2 is terminated.
On the other hand, if it is determined in step S105 that there is no cancel instruction (ie, No), the process returns to step S102 to continue estimating the number of visitors.

Next, the operation procedure of the evacuation elevator in the emergency operation mode of the elevator fire operation system 1 configured as described above will be described in more detail with reference to flowcharts.
FIG. 3 is a flowchart showing the procedure of the emergency operation mode of the elevator fire operation system 1 according to the first embodiment of the present invention.
Here, it is assumed that the fire floor is p, and the visitors of the fire floor p and the floor p + 1 that is immediately above the fire floor p are evacuated.

The elevator for evacuation is divided into the larger number of comparison passengers NL (i) and comparison passenger number NL (i) among the number of visitors N (i) and the corrected number of visitors N ′ (i) by the maximum number of passengers l of the elevator. There are variables for the number of elevator operations Q (i) and the time T (i) required for a round trip from the fire floor to the first floor per elevator.
The evacuation elevator has a plurality of evacuation floors set in advance.

First, all the above variables are initialized to 0 (step S201), and the elevator is operated normally (step S202).
Here, at a certain floor i, it is determined whether or not the fire detector 5 has detected a fire (step S203). If it is determined that no fire is detected (ie, No), the process returns to step S202. Continue normal operation.
On the other hand, if it is determined in step S203 that a fire has been detected (ie, Yes), the evacuation elevator is switched to the emergency operation mode (step S204).
When switching to emergency operation mode, evacuation elevators will be able to register for car calls and landing calls only in the fire floor or multiple consecutive floor groups including the fire floor or in the central control room, In the other floors, the calling function of the car 2 is stopped.

Subsequently, the floor i is set to the fire floor p (step S205).
The number of visitors N (p) on the fire floor p is compared with the corrected number of visitors N ′ (p), and the larger value is set as the number of comparison customers NL (p), and the number of visitors N (p + 1) on the immediately upper floor p + 1 is corrected. The number of staying guests N ′ (p + 1) is compared, and the larger value is set as a comparison number of guests NL (p + 1) (step S206).

  Next, it is determined whether or not the fire floor p is the first floor (step S207), and if it is determined that the fire floor p is the first floor (that is, Yes), the number of comparison customers NL (p) is set to the maximum elevator. Dividing by the number of passengers l, the number of elevator operations Q (p) is obtained as in the following equation (3) (step S208).

  Q (p) = NL (p) / l (3)

Subsequently, it is determined whether or not the added value ΣQ (p) between the operation frequency Q (p) and the operation frequency Q (p + 1) is equal to or greater than a predetermined number arbitrarily set from the time required for evacuation (step) S209) When it is determined that the number is less than the predetermined number of times (that is, No), the floor farthest from the first floor is selected as the evacuation floor, and the elevator is guided (step S210), and the process of FIG. .
On the other hand, if it is determined in step S209 that the number of times is equal to or greater than the predetermined number of times (that is, Yes), the nearest floor is selected as the evacuation floor among a plurality of evacuation floors set in advance in the evacuation elevator to guide the elevator. Operation is performed (step S211), and the process of FIG. 3 is terminated.

If it is determined in step S207 that the fire floor p is not the first floor (i.e., No), the number of elevator operations Q (p) obtained in the same manner as in step S208, and 1 from the fire floor per elevator. The total operation time Q (p) · T (p) required for the emergency operation of the elevator is obtained by multiplying the time T (p) required for the round trip to the floor (step S212).
At this time, the sum ΣQ (p) · T (p) of the total operation time Q (p) · T (p) and Q (p + 1) · T (p + 1) is arbitrarily set from the time required for evacuation, etc. 3 (step S213). If it is determined that the time is less than the predetermined time (ie, No), the elevator is guided to the first floor (step S214), and the processing of FIG. 3 is performed. finish.
On the other hand, if it is determined in step S213 that the time is equal to or longer than the predetermined time (that is, Yes), the nearest floor closer to the first floor than the fire floor p is evacuated among a plurality of evacuation floors set in advance in the evacuation elevator. The floor is selected and the elevator is inductively operated (step S215), and the process of FIG. 3 is terminated.

In addition, you may add the visitor in the floor p-1 which is the floor immediately under the fire floor p as an evacuation object here.
Further, when ignoring the moving number ΔM1 (i), it is not necessary to execute step S206.

  According to the elevator driving system 1 according to Embodiment 1 of the present invention, the number of visitors on each floor of the building is estimated at any time, and when a fire of the building occurs, the fire detection provided on each floor Since the evacuation floor is selected based on the information on the fire floor of the vessel 5 and the number of visitors near the fire floor and the elevator is guided, the visitors near the fire floor can be guided smoothly.

Embodiment 2. FIG.
FIG. 4 is a block diagram showing a configuration of an elevator fire operating system 1 according to Embodiment 2 of the present invention.
In FIG. 4, the elevator driving system 1 </ b> A has second moving passenger measuring means 9.

The visitor number estimation means 4A includes a block management unit 10 that collectively manages a plurality of consecutive floors as hierarchical blocks. The number of elevator passengers read by the passenger measurement means 3 is integrated to calculate each visitor block. Estimate the number of visitors.
In addition, the second moving passenger measuring means 9 is installed in a passage such as stairs or escalators connecting between the respective hierarchical blocks, or a building entrance and exit from one hierarchical block to another hierarchical block using the stairs or escalator. The person who moves to and the person who goes in and out of the building are counted as the moving person number M2 and output to the visitor number estimating means 4A.
Other configurations are the same as those described in the first embodiment, and a description thereof will be omitted.

Here, the operation | movement which estimates the number of visitors of the operation system 1A at the time of the fire of the elevator of the said structure is demonstrated.
FIG. 5 is a flowchart showing a procedure of estimating the number of visitors in the elevator driving system 1A according to Embodiment 2 of the present invention.

Each elevator E (j) includes the number of visitors N (i) corresponding to an arbitrary floor i (i = 1 to h), an increase / decrease value ΔN (i) due to a change with time, and a hierarchy including an arbitrary floor i. Each variable includes the number of visitors B (k) of block k, the number of people M2 (k) who move between hierarchical blocks including an arbitrary hierarchical block k, and the corrected number of visitors B ′ (k) of hierarchical block k associated therewith. .
Here, for example, a case where three adjacent floors are handled as one hierarchical block will be described.
First, all the above variables are initialized to 0 (step S301).

Subsequently, it is determined whether or not the number of passengers has increased or decreased before and after the arrival of the elevator E (j) on the floor i (step S302).
In step S302, when it is determined that the number of passengers has increased or decreased (that is, Yes), a value obtained by adding the current increase / decrease value ΔN (i) to the previous visitor number N (i) (= N (i) + ΔN (I)) is updated and set as the number of visitors N (i) by only the passengers of this elevator (step S303).
On the other hand, if it is determined in step S302 that the number of passengers does not increase or decrease (that is, No), the process returns to step S302.

  The number of visitors B (k) of the hierarchical block k including the floor i is the sum ΣN () of the number of visitors N (i), N (i + 1), N (i + 2) corresponding to the floors i, i + 1, i + 2. i) (step S304).

  Next, by adding the number of people M2 (k) who move in the escalator, the stairway, and the entrance of the building and the number of visitors B (k) in the hierarchy block k, the stay in the hierarchy block k only by the elevator passengers The corrected visitor number B ′ (k) of the hierarchical block k, which is more reliable than the customer number B (k), is obtained as in the following equation (4) (step S305).

  B '(k) = B (k) + M2 (k) (4)

Next, it is determined whether or not there is a cancel command (step S306). If it is determined that there is a cancel command (that is, Yes), the processing in FIG. 5 is terminated.
On the other hand, if it is determined in step S306 that there is no cancel instruction (that is, No), the process returns to step S302 to continue estimating the number of visitors.

Next, an operation procedure of the evacuation elevator in the emergency operation mode of the elevator fire operating system 1A having the above-described configuration will be described.
FIG. 6 is a flowchart showing a procedure of the emergency operation mode of the elevator fire-time operation system 1A according to the second embodiment of the present invention.

The evacuation elevator uses the larger number of comparison customers BL (k) and comparison visitor number BL (k) among the number of visitors B (k) of the hierarchy block k and the corrected number of visitors B ′ (k) of the hierarchy block k. There are variables of the elevator operation frequency Q (k) divided by the maximum number of elevator passengers l and the time T (k) required for a round trip from the fire floor to the first floor per elevator.
In this case as well, for example, a case where three adjacent floors are handled as one hierarchical block will be described.
The evacuation elevator has a plurality of evacuation floors set in advance.

First, all the above variables are initialized to 0 (step S401), and the elevator is operated normally (step S402).
Here, at a certain floor i, it is determined whether or not the fire detector 5 has detected a fire (step S403). If it is determined that no fire is detected (ie, No), the process returns to step S402. Continue normal operation.
On the other hand, if it is determined in step S403 that a fire has been detected (ie, Yes), the evacuation elevator is switched to the emergency operation mode (step S404).
When switching to emergency operation mode, evacuation elevators will be able to register for car calls and landing calls only in the fire floor or multiple consecutive floor groups including the fire floor or in the central control room, In the other floors, the calling function of the car 2 is stopped.

Subsequently, the floor i is set to the fire floor p, and the hierarchical block k including the fire floor p is set to the hierarchical block q (step S405).
At this time, the number of visitors B (q) of the hierarchical block q is represented by the sum ΣN (p) of the number of visitors N (p), N (p + 1), N (p + 2) corresponding to the floors p, p + 1, p + 2. Can do.
Subsequently, the number of visitors B (q) in the hierarchical block q and the corrected number of visitors B ′ (q) are compared, and a larger value is set as the number of comparison customers BL (q) (step S406).

  Next, it is determined whether or not the fire floor p is the first floor (step S407). If it is determined that the fire floor p is the first floor (that is, Yes), the number of comparison customers BL (q) is set to the maximum elevator. Dividing by the number of passengers l, the elevator operation frequency Q (q) is obtained as in the following equation (5) (step S408).

  Q (q) = NL (q) / l (5)

Subsequently, it is determined whether or not the number of times of operation Q (q) is equal to or greater than a predetermined number of times set arbitrarily from the time required for evacuation (step S409), and is determined to be less than the predetermined number of times (that is, No). In such a case, any one of the hierarchical blocks farthest from the first floor is selected as the evacuation floor to guide the elevator (step S410), and the process of FIG.
On the other hand, if it is determined in step S409 that the number of times is equal to or greater than the predetermined number of times (that is, Yes), the evacuation floor set in the nearest hierarchical block is selected from the plurality of evacuation floors set in advance in the evacuation elevator. The elevator is inductively operated (step S411), and the process of FIG. 6 is terminated.

If it is determined in step S407 that the fire floor p is not the first floor (ie, No), the number of elevator operations Q (q) obtained in the same manner as in step S408, and 1 from the fire floor per elevator. The total operation time Q (q) · T (q) required for the emergency operation of the elevator is obtained by multiplying the time T (q) required for the round trip to the floor (step S412).
At this time, it is determined whether or not the total operation time Q (q) · T (q) is equal to or longer than a predetermined time arbitrarily set from the time required for evacuation (step S413), and is less than the predetermined time (step S413). That is, when it is determined No), the elevator is guided to the first floor (step S414), and the process of FIG. 6 is terminated.
On the other hand, if it is determined in step S413 that the time is equal to or longer than the predetermined time (that is, Yes), among the plurality of evacuation floors set in advance in the evacuation elevator, the nearest hierarchical block closer to the first floor than the fire floor p is set. The selected evacuation floor is selected to guide the elevator (step S415), and the process of FIG. 6 is terminated.

According to the elevator fire operating system 1A according to the second embodiment of the present invention, when a building fire occurs, a plurality of continuous floors are assumed to be hierarchical blocks, and the number of visitors for each hierarchical block is estimated at any time. Selects the evacuation floor based on the information on the fire floor of the fire detector 5 provided on each floor and the number of guests in the hierarchical block including the fire floor, and guides the elevator. Guidance can be performed smoothly.
Moreover, since the number of visitors for each hierarchical block is estimated, the number of installed cameras or the like as the second moving customer measuring means 9 can be reduced as compared with the case of estimating the number of visitors for each floor. Cost can be reduced.

It is a block diagram which shows the structure of the operation system at the time of the fire of the elevator which concerns on Embodiment 1 of this invention. It is a flowchart which shows the procedure which estimates the number of visitors of the operation system at the time of fire of the elevator which concerns on Embodiment 1 of this invention. It is a flowchart which shows the procedure of emergency operation mode of the operation system at the time of fire of the elevator which concerns on Embodiment 1 of this invention. It is a block diagram which shows the structure of the operation system at the time of fire of the elevator which concerns on Embodiment 2 of this invention. It is a flowchart which shows the procedure which estimates the number of visitors of the operation system at the time of the fire of the elevator which concerns on Embodiment 2 of this invention. It is a flowchart which shows the procedure of emergency operation mode of the operation system at the time of fire of the elevator which concerns on Embodiment 2 of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Elevator fire operating system, 2 cars, 3 passenger measurement means, 4 passenger number estimation means, 5 fire detector, 6 emergency operation means, 7 elevator control device, 8 first moving passenger measurement means, 9 2 moving customer measuring means, 10 block management section.

Claims (3)

Passenger measuring means provided in an elevator car for measuring the number of people getting on and off the elevator on each floor of the building;
A visitor number estimating means for accumulating the increase / decrease in the number of passengers and estimating the number of visitors on each floor,
A fire detector that is provided on each floor and outputs information on the fire floor when a fire occurs in the building;
Selecting an evacuation floor based on the information on the fire floor and the information on the number of visitors, and an emergency driving means for driving the elevator , and
The emergency operation means includes the information on the fire floor, the number of times of operation of the elevator obtained by dividing the number of guests on the floor including the fire floor by the maximum number of passengers of the elevator, and the fire floor and the evacuation floor. The elevator fire operating system , wherein the evacuation floor is selected according to the elevator lift time required for reciprocation . A first moving passenger measuring means installed in at least one of a passage connecting the floors and the entrance of the building, and measuring a first moving number of persons from each floor to another floor;
The elevator operating system according to claim 1, wherein the number-of-visiting-number estimating means estimates the number of staying guests on each floor based on the number of passengers getting on and off and the first number of moving people. A second moving customer measuring means;
The second moving customer measuring means is installed in at least one of a passage connecting each hierarchical block and a doorway of the building, with a plurality of continuous floors in the building as one hierarchical block, Measure the second number of people moving from each hierarchical block to other hierarchical blocks,
The visitor number estimating means includes block management means for managing the visitor number in units of the hierarchical blocks,
2. The elevator operation system according to claim 1, wherein the block management unit estimates the number of visitors in each of the hierarchical blocks based on the number of people getting on and off and the second number of moving people.

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