JP5358598B2 - Escalator control device and escalator group control device - Google Patents

Abstract

The invention provides an escalator control device and an escalator group control device. The escalator is constructed in a way that, a plan related to the upper limit value, the operation speed and operation/stop of a passenger load is freely made in each time belt of a day, and in the range of the set upper limit value of the passenger load, and in the time belt capable of rotation, operation control can be performed at a set operation speed. When the passenger load exceeds the upper limit value set by the time belt, a passenger except a particular passenger is forbidden to take the escalator via a broadcasting device (71) and a display device (72). Speed control of the operation speed of the escalator is performed via an inverter (8) according to the made plan, when the time belt of no rotation is reached, the escalator automatically stops operation. Therefore, an energy control device for an escalator is provided, and the device is advantageous in that, under the condition that priority of energy saving and convenience is considered, a quantitative energy-saving plan of the escalator are conveniently set and realized.

Description

  The present invention relates to an escalator control device and an escalator group control device that perform energy-saving operation control of an escalator.

  As an energy saving control method in an escalator, as shown in Patent Document 1, there is a known example that produces an energy saving effect by adjusting to an operation speed with high operation efficiency in accordance with the operation load of the escalator.

  Moreover, as shown in Patent Document 2, there is a known example in which the driving direction, driving time, driving speed, and the like in each time zone are optimized by learning and controlling the driving of the escalator.

JP-A-10-194650 JP 2006-143450 A

  However, in these known examples, it is possible to diagnose the energy saving effect after the operation, but when the target value of the energy saving effect is set, the control corresponding to the target is not considered, and the It was not possible to plan a quantitative energy saving effect.

  An object of the present invention is to provide an escalator control device that has a plurality of energy saving functions regarding the energy saving operation of the escalator, can selectively use each energy saving function in each time zone of the day, and can select the priority of energy saving and convenience. That is.

  Another object of the present invention is to provide an escalator control device that facilitates achieving a target value for energy-saving operation.

  In a preferred embodiment of the present invention, in an escalator control device in which an induction motor is controlled at a variable speed by a PWM inverter that outputs alternating current of variable voltage and variable frequency, and the escalator is driven by the induction motor, the escalator for each time zone. A setting unit for setting an upper limit value of the passenger load of the vehicle, load detection means for detecting a passenger load of the escalator during operation, and an upper limit value of the passenger load during the time period when the passenger load detection value of the escalator during operation is Passenger load limiting means for limiting the passenger load when the value exceeds the value is provided.

  In another preferred embodiment of the present invention, a speed setting unit that sets the operating speed of the escalator for each time period, and a speed control device that controls the speed of the escalator at the operating speed set by the speed setting unit; It is provided with.

  In another preferred embodiment of the present invention, the escalator is operated in accordance with an operation setting unit that sets operation or suspension of the escalator for each time period, and an operation or suspension schedule set by the operation setting unit. And an escalator driving device for operating or pausing.

  In a specific embodiment of the present invention, the operating speed, passenger load, and driving rate of the escalator are set for each necessary time zone.

  Formula (1) shows the formula for calculating the power consumption of the escalator.

P _S = (L × V × J) / (2 × 6120 × η) + P ₀ × H (1)
Here, P _S : power consumption (kW), L: passenger load (Kg), V: speed (m / min), J: drive rate, η: efficiency of drive system, P ₀ : floor during no-load operation Power consumption per 1 m high (kW / m), H: floor height (m).

In the formula (1), in suppressing the power consumption P _S, items that are adjustable after installation of the escalator is a three-point passenger load L, operating speed V, and drive ratio J. Power consumption can be reduced by reducing these three items, but in that case, the convenience of the escalator may also be reduced.

  In a preferred embodiment of the present invention, by appropriately using these three items in each time zone, an increase in the energy saving effect in each time zone and a suppression of a decrease in escalator convenience are adjusted.

  There is a feature in each convenience drop.

  First, the method of reducing the speed is to bring out the energy saving effect by sharing the inconvenience that the time to arrive at the target floor is delayed.

  In addition, the method of restricting the number of people or restricting the weight causes inconvenience that a limited number of passengers arrive at a target floor without any loss of convenience, but other passengers cannot use the escalator.

  For example, energy saving driving by speed reduction is required during times when passengers using escalators act with a common purpose, such as when moving to a cafeteria during lunch breaks or when going to and from work.

  On the other hand, energy saving operation by limiting the number of people (weight limit) is required in the time zone where the arrival time is restricted within normal working hours and when it is not.

  In addition, when there are multiple escalators in the building, depending on the time of day, there may be a case where a specific escalator is stopped according to the life pattern of each floor and energy saving is performed by setting the boarding rate to zero. As an example, an escalator running to the cafeteria floor will not be very inconvenient even if it is stopped outside the meal time zone, and an escalator running to the conference room floor may be stopped when there is no scheduled meeting Is possible.

  According to a preferred embodiment of the present invention, it is possible to provide an escalator control device that easily achieves a target energy saving effect while considering the energy saving performance and convenience of the escalator.

  By adjusting the energy saving and convenience of the escalator to what the administrator intends, specific energy saving effects can be achieved according to the target environment, usage conditions, seasons, and living conditions of each floor. It becomes possible to realize it in planning.

It is an example of one setting screen of the setting operation part of the energy saving control classified by time zone by the load upper limit value setting in Example 1 of the present invention. It is a figure which shows the maximum value of the number of customers of boarding / alighting according to each time slot | zone of the escalator in the Example of FIG. It is the other example of a setting screen of the setting operation part of the energy saving control classified by time zone by the load upper limit value setting in Example 1 of the present invention. It is a control block diagram of the escalator control apparatus in Example 1 of this invention. It is a control flowchart of the load limiting operation according to time slot | zone in Example 1 of this invention. It is an example of one setting screen of the setting operation part of the energy saving control classified by time zone by speed and load upper limit value setting in Example 2 of the present invention. It is the other example of a setting screen of the setting operation part of the energy saving control classified by time zone by the speed and load upper limit value setting in Example 2 of the present invention. It is a control flow figure of speed limit operation according to time zone in Example 2 of the present invention. It is an example of a setting screen of the energy-saving control setting operation part according to time zone of the escalator which gets on and off to the cafeteria floor in Example 3 of this invention. It is an example of a setting screen of the energy-saving control setting operation part classified by time zone of the escalator getting on and off to the conference room floor in Example 3 of this invention. It is an example of a setting screen of the energy-saving control setting operation part classified by time zone of the escalator getting on and off to the hospital floor in Example 3 of the present invention. It is a control flow figure of operation according to time zone in Example 3 of the present invention. It is a conceptual diagram of the escalator structure in a building in Example 4 of this invention. It is an example of a setting screen of the setting operation part of the energy saving control classified by time of a plurality of escalators in Example 4 of the present invention. It is an example of the description screen of the number of escalator operation | movement for every time slot | zone in Example 4 of this invention shown in FIG. It is the other example of a setting screen of the setting operation part of the energy saving control classified by time of a plurality of escalators in Example 4 of the present invention. It is an example of the description screen of the number of escalator operation | movement for every time slot | zone in Example 4 of this invention shown in FIG. It is a control block diagram of multiple escalator centralized operation control in Example 4 of the present invention. It is a control flow figure of centralized operation control of a plurality of escalators in Example 4 of the present invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  A first embodiment of the present invention will be described with reference to FIGS.

  The present embodiment has a plurality of energy saving functions, and each energy saving function is selectively used for each time zone of the day, but even with one type of energy saving function, by changing the application rate of the energy saving function, It is possible to achieve the purpose.

  In this embodiment, an example of using an energy saving function for limiting passenger load within a certain time is used as an example, and the load factor is selectively used for each time zone.

  As an example, an escalator connected to an office in a building is taken as an example.

  FIG. 1 is an example of a setting screen of an operation unit for load limitation in each time zone of a target escalator. In the present embodiment, an escalator in a building in an office where business negotiations with a customer are the main business is taken as an example, and an example of demand that is the basis for the setting in FIG. 1 will be described with reference to FIG.

  FIG. 2 is a diagram showing the maximum value of the number of customers who visited the company in each time zone obtained from the statistical values in the target building.

  As shown in FIG. 2, the energy saving effect is exhibited by adjusting the upper limit value of the passenger load according to the number of customers at each time zone. The limit load setting of FIG. 1 according to FIG. 2 is set by setting the load of one passenger to 65 (kg) and multiplying the maximum number of passengers in each time zone shown in FIG. 2 by 65 (kg). . That is, the upper limit value of the passenger load corresponds to a value obtained by converting the cumulative number of people allowed to enter the escalator in each time zone into the load. In addition, since it is not the number of people who boarded at the same time, but the total number of people, for example, if a person with a weight of 65 kg rides one by one from 12:00 to 14:00, the escalator will operate until the 12th person, When the 12th person has been carried or when the 13th person has boarded, the boarding is restricted by stopping the escalator. In addition, when the person whose weight is lighter than 65 kg gets in, the allowable total number of persons increases. However, the time zone from 10:00 am to 12:00 pm and from 14:00 pm to 17:00 pm is the time for business talks with customers, and the maximum number of passengers actually exceeds 20 people, so there is a load limit. Not supposed to be.

  On the other hand, in each time zone in which the load limit is set in FIG. 1, the employees in the office perform individual business activities, and there are employees who do not need to use the escalator. Therefore, the energy saving effect is increased by limiting the total load of the escalator passenger.

  Here, as measures for load limitation, measures such as stopping the escalator when the total load exceeds the maximum limit load or prohibiting passengers other than specific passengers from entering the escalator by an announcement, etc. And At this time, passengers who cannot enter the escalator shall move using stairs. An example of a passenger who can use an escalator preferentially is an employee who performs a specific task such as customer entertainment or transportation. Here, the instantaneous passenger total load is calculated by sequentially detecting the motor driving force and converting it from the motor driving force.

  FIG. 3 is an example of a setting screen of the operation unit for load limitation in each time slot when further energy saving is required. In this figure, the limit load in each time zone is half of that in Fig. 1, and the reason is assumed that the target energy-saving effect cannot be obtained unless the load is limited so far. Yes.

  In FIG. 3, the load restriction is removed during the negotiation time zone, but there are cases where customers cannot get on and off the escalator outside the negotiation time zone. Accordingly, FIG. 3 shows a setting example in which the customer is requested to cooperate in energy saving because it is out of business hours under the situation where energy saving is prioritized. However, if a complaint is made by a customer, consider reducing the load limit and drawing out the target energy saving effect with other consumer devices in the building.

  FIG. 4 is a control block diagram of the escalator control device according to the first embodiment of the present invention. The control system of the load limiting operation in this embodiment will be described with reference to the block circuit diagram of FIG. 4 and the process flow diagram of FIG. FIG. 4 is a block circuit diagram of a control system according to the present invention. In FIG. 4, the operation unit for setting the limit load in each time zone in FIG.

  First, the limit load for each time zone set in the operation unit 1 is stored in the memory 4 in the microcomputer 3 (S2). When the operation is started (S3), the timepiece 2 always reads the time by the radio wave and sends the time signal to the CPU 5 in the microcomputer 3 via the input circuit 6 (S4). Therefore, the CPU 5 reads the limit load at the read time from the memory 4 (S5). Next, the total load of passengers during actual operation is detected (S6, S7), and this is compared with the limit load by the CPU 5 (S8). If the total load is determined by the output via the output circuit 7 as described above, If the maximum load is exceeded, the passenger load limiting means is activated. As the passenger load limiting means, the escalator is stopped, or the announcement device 71 and the display device 72 prohibit the passengers other than the specific passenger from entering the escalator (S9). Do not exceed. The actual load value in this case is detected by the torque detector 10 based on the current value flowing from the inverter 8 to the motor 9 (S6), and the total load is estimated using the torque value (S7). . This series of actions is continued until the operation is finished (S10 and S11). This is the operation method of the load limit control in each time zone.

  A second embodiment of the present invention will be described with reference to FIGS. In this embodiment, in addition to the energy saving function for limiting the passenger load within a certain period of time, an escalator operation speed control is added, and the two energy saving functions are selectively used in each time zone.

  FIGS. 6 and 7 are examples of setting screens of the setting operation unit of the time-based energy saving control by setting the speed and load upper limit values in the second embodiment of the present invention. In these drawings, as in FIG. 1, an example of setting the energy saving function in each time zone of the escalator connected to the office in the building is shown. As a measure for load limitation, as in the first embodiment, when the total load exceeds the maximum limit load, the escalator is stopped or passengers other than the specific passenger are prohibited from entering the escalator by an announcement, etc. Measures shall be taken.

  The escalator driven by the operation unit shown in FIG. 6 and FIG. 7 is 20 or 10 [m / min] and 12:00 at the time of commuting from 7:00 am to 9:00 pm and from 17:00 pm to 19:00 pm as shown in the figure. During the lunch break from 14:00 to 14:00, a speed reduction operation for energy saving is performed at 10 [m / min].

  Although the speed limit was not put in Example 1 of FIGS. 1-5, the time slot | zone which restrict | limits the said speed | velocity has the high possibility that the passenger using an escalator will act with a common objective. Therefore, even if the operating speed of the escalator is reduced, it is a time zone that does not affect the business so much. In this embodiment, the switching speeds are three types of 30, 20, and 10 [m / min], 30 [m / min] is a normal operation, and 20 and 10 [m / min] are a speed reduction operation. However, even during the same speed-reduced operation, during lunch breaks where sufficient time adjustment is possible, it is operated at a speed of 10 [m / min], and during commuting when the time adjustment is somewhat difficult, it is usually 20 [m / min]. Keep driving at speed. However, when a situation that further requires the energy saving effect in the escalator comes out, the set value is switched to 10 [m / min] for the commuting speed as shown in FIG.

  Next, a detailed description of the speed switching control method in this embodiment will be described with reference to the block circuit diagram of FIG. 4 and the processing flow diagram of FIG.

  Also in the processing flow chart for the speed of each time zone in FIG. 8, the control until the time set in each time zone set in the operation unit 1 is stored in the memory 4 and the time read by the radio wave in the timepiece 2 is sent to the CPU 5. The method is the same as the load limiting control method of the first embodiment (S13). Therefore, if the operation is started (S14), the CPU 5 reads the speed at the next read time from the memory 4 (S15), and executes the processes of steps S5 to S9 described in FIG. That is, the limit load at the time read by the CPU 5 is read from the memory 4 (S5), the total load of the passengers operating the actual machine is detected (S6, S7), and this is compared with the limit load by the CPU 5 (S8). When the total load exceeds the maximum load, the passenger load limiting means is activated. As the passenger load limiting means, the escalator is stopped or the announcement device 71 and the display device 72 prohibit the passengers other than the specific passenger from entering the escalator (S9), and the total load of the actual machine always exceeds the limit load. Do not.

  In step S16 of FIG. 8, the set speed at the current time is read from the memory, the operating speed command signal is sent to the inverter 8 via the output circuit 7 (S17), and the frequency for obtaining the designated rotational speed. The motor 9 is driven by the voltage (S18 and S19). This series of operations is continued until the operation is completed (S20 and S21).

  In this embodiment, in FIG. 6, the load limit time is set only in the afternoon, but when a situation that further requires an energy saving effect in the escalator comes out, as shown in FIG. 7, the load limit is also adopted in the morning. To do. In FIG. 7, the maximum total load of the passenger is set to 700 [kg] in the time zone from 9:00 am to 12:00 am. Further, as described above, in FIG. 7, the speed setting value at the time of going to and from work is lowered to 10 [m / min] in order to bring out a further energy saving effect.

  The control system of the load limiting operation in the present embodiment is the same as the control system of the load limiting operation in the first embodiment, and the detailed flow of the control is the same as steps S5 to S9 in FIG. Completed as a step frame.

  The above is the control method of the energy saving operation utilizing the speed setting in each time zone. The control method of the present embodiment makes it possible to calculate the energy saving effect by reducing the speed by utilizing the power consumption calculation formula (1). Specifically, in order to satisfy the target power consumption, the speed reduction time and the reduction speed in FIG. 6 are adjusted, and the reduction in power consumption obtained from the power consumption calculation formula (1) by the adjustment is adjusted. It is possible to achieve the target by calculating and increasing the speed reduction time until the target power consumption reduction amount is reached or by decreasing the speed.

  In the present embodiment, it is possible to change the setting in multiple stages by combining two types of restriction items for energy saving, load and speed, and a time zone.

  This embodiment is an energy-saving control method for each time zone of an escalator that gets on and off the floor so that almost no people go in and out in a certain time zone.

  In this case, in addition to the two energy saving functions shown in the first embodiment, it is an energy saving control method for operating the escalator to be stopped in each time zone. The driving rate J is made zero for the power consumption of the escalator.

  FIGS. 9-11 shows the example of a setting screen of the energy-saving control setting operation part according to time of the escalator connected to the dining room floor, the conference room floor, and the hospital floor in the third embodiment of the present invention, respectively.

  9 to 11, compared with FIGS. 6 and 7, in addition to the energy saving function according to two time zones of speed control and load control, whether or not the escalator is operated, that is, an operation for selecting a stop. Department is installed.

  In these drawings, the control method relating to the speed control and load control of each escalator is the same as that in the first embodiment and the second embodiment, and the description thereof is omitted in this embodiment. Further, when utilizing this embodiment, there may be cases where there is no operation for speed control and load control. In this case, it is possible to eliminate the speed control and load control operation sections in FIGS. is there.

  Whether or not each escalator is in operation depends on the usage status of each connected floor. Use stairs to move to a floor where the escalator does not operate, or use an elevator if the building is equipped with an elevator. And jump over the floor and move.

  FIG. 9 is a setting example screen for energy-saving control of an escalator that gets in and out of a cafeteria.

  The escalator is operated only during the time of eating, and only during the two time periods from 12:00 to 14:00 and from 18:00 to 20:30. Further, since there are many users during the operation, the operation speed is always set to the usual 30 [m / min], and the load limit is not applied.

  Next, FIG. 10 is a setting example screen of energy saving control of an escalator that gets in and out of a conference room. The escalator is operated from 10:00 to 12:00 in the morning when the conference is held frequently and 14 in the afternoon. Driving only from the time to 18:00. The movement of the floor in this case can be achieved by devising each individual, the driving speed is set to the lowest speed of 10 [m / min], and the load limit is set to 500 [kg] or less.

  Finally, FIG. 11 is a setting example screen of energy saving control of an escalator that gets on and off the hospital floor. The escalator is operated from 8:30 am 30 minutes before the morning examination start time of the hospital to the morning examination end time 13 Until the hour, and in the afternoon consultation time zone from 14:30 to 18:30. The escalator is stopped from 13:00 to 14:30 and after 18:30 when the hospital visit is completely absent. Further, the driving is related to personal protection, the driving speed is always set to the usual 30 [m / min], and no load limitation is applied.

  Next, the control method of the present embodiment will be described with reference to the block circuit diagram of FIG. 4 and the processing flow diagram of FIG.

  First, the limit load for each time zone set in the operation unit 1, the set speed for each time zone, and the operation schedule for operation or suspension for each time zone are stored in the memory 4 (S23). In this embodiment, it is necessary to determine whether or not it is time to drive the escalator at each time, and the time zone read in FIG. 12 is stored in the memory 4 (S23) and then read by the clock 2. In (S24), it is determined whether or not the time is within the operation time (S25). Then, when the operation time is entered, the same speed control as that shown in FIG. 8 and the same load limiting control as that shown in FIG. 5 are continued until the power is turned off (S37 and S38). However, since there is a time zone in which the operation is stopped after starting the operation once, the operation returns to the beginning even during the speed control and the load limiting control (S37 to S24), and the operation is continued by reading the time with the clock 2. The determination of whether to stop operation is always repeated (S24-S26).

  Further, even after the operation is temporarily stopped (S26), the time is continuously read (S24), and the timing for resuming the operation is always observed (S25).

  Also in the present embodiment, as shown in the figure, the control for the operation speed is the same as that shown in FIG. 8, and the control for the load limit is the same as that shown in FIG. The process steps of the load limit control and the speed control of FIG. 8 are sequentially applied to steps S27 to S36 in FIG. These two controls are the same as those in the first and second embodiments, and detailed description thereof is omitted to avoid duplication.

  The above is the detailed description of the present embodiment. As an effect of the present embodiment, the degree of freedom in selecting the priority ratio of energy saving and convenience is expanded, and an operation that further enhances the energy saving in the building becomes possible.

  The present embodiment is a control method for producing an energy saving effect by restricting the number of operating escalators in each time zone in a building where a plurality of escalators are installed.

  In this case, in the power consumption of the escalator shown in the equation (1), the operation with the drive rate J set to zero is set in each time zone for a plurality of escalators.

  FIG. 13 is a conceptual diagram of the in-building escalator configuration according to the fourth embodiment of the present invention.

  This figure shows the structure of each floor in a building of a certain company, and closes up the installation part of the escalator on the rising side in the building. In this embodiment, a centralized control method for the escalator on the ascending side will be described.

  In FIG. 13, the first floor is a lobby, the second floor is a medical office and clinic, the third and fourth floors are deskwork floors, several conference rooms are located on the fifth floor, and the sixth floor is a cafeteria. .

  FIG. 14 shows a setting screen example of the selection operation unit for the energy saving function for each time zone.

  In the operation shown in this figure, if the operations of the escalators shown in the third embodiment are individually processed, the same setting can be made by integrating them. Therefore, the operation unit is integrated and managed centrally, and each operation information is communicated to the control unit of each escalator.

  FIG. 15 is a notation screen example of the number of operating escalators for each time period in the fourth embodiment of the present invention shown in FIG.

  FIG. 15 is a setting screen example of a driving operation unit showing an example of driving setting for stopping the escalator in a time zone in which the escalator is not required in each floor tenant. In FIG. 15, the operation method of the escalator (5th floor → 6th floor) rising to the cafeteria is the same operation method as in Example 3, and the operation time is 2 times from 12:00 to 14:00 and from 18:00 to 20:30. The driving time of the escalator (4th floor ⇒ 5th floor) that gets in and out of the conference room is 2 times from 10:00 am to 12:00 am and from 14:00 to 18:00 pm. In addition, unlike the hospital, the escalator that gets in and out of the medical room (1st floor → 2nd floor) is supposed to drive during the working hours.

  The driving method of FIG. 14 is such that the escalator is continuously operated during a time zone where many employees may use the escalator, and the escalator is stopped during a time zone when there is little possibility of using the escalator.

  FIG. 16 is another setting screen example of the setting operation unit of the energy saving control for each time zone of the plurality of escalators in the fourth embodiment of the present invention, and requires an operation method that further increases the energy saving effect even if the convenience is impaired. It is an example of a setting screen in the case of doing.

  In FIG. 16, the total operating time of the escalator is reduced as compared with FIG. 14. First, as the operating time of the escalator (4th floor → 5th floor) getting on and off the conference room, the operating time in the afternoon Is reduced from 14:00 to 16:00, and the escalator is stopped after 16:00 when the frequency of conferences is low.

  As for the escalator (2nd floor → 3rd floor, 3rd floor → 4th floor) that gets in and out of the office, it will drive until 20:30 when many employees may work in the driving time in Fig. 14 However, in FIG. 16, the operation time is set to the normal end time of 18:00, and the escalator is also stopped between 12:00 and 16:00, which also serves to reduce the electricity bill by adjusting the supply and demand of the electric energy.

  FIG. 17 is a display screen example of the number of operating escalators for each time period in the fourth embodiment of the present invention shown in FIG. With the operation method shown in FIG. 16, the total number of escalators operating in each time zone is further reduced from the state shown in FIG. 15, as shown in FIG.

  FIG. 18 is a control block diagram of the multiple escalator centralized operation control according to the fourth embodiment of the present invention, and FIG. 19 is a control flowchart of the multiple escalator centralized operation control according to the fourth embodiment.

  In the block circuit diagram of the centralized operation control illustrated in FIG. 18, the operation unit that operates the operation and stop of each escalator in each time zone illustrated in FIGS. 14 and 16 is abbreviated as the operation unit 11. FIG. 18 is a block circuit diagram of the centralized operation control device for the escalator group, but the escalator control device shown in FIG. 4 can be individually provided for each escalator.

  First, similarly to the first embodiment, the operation time of each escalator in each time zone set in the operation unit 11 is stored in the memory 14 (S40). The timepiece 12 always reads the time by radio waves, and sends the time signal to the CPU 15 in the microcomputer 13 via the input circuit 16 (S41). Therefore, when there is an escalator that is operating time at each time, an operation start signal is sent to each operation control unit 18 via the output circuit 17 (S42). Further, the operation is stopped when the time read after the start of operation becomes the operation stop time (S41 and S42). This series of operations continues until all the power related to the escalator is turned off (S43 and S44). This is the control method of this embodiment.

  As an effect of the present embodiment, in a building having a plurality of escalators, the energy saving performance in the building is strengthened with respect to the total energy consumption in the building, and the energy saving and convenience in terms of all escalators in the building are improved. The degree of freedom for selecting the priority ratio is expanded.

  In the present embodiment, the individual control of each escalator is omitted, but as described above, the individual escalators shown in the second and third embodiments in the control unit (FIG. 4) of each escalator. Of course, it is possible to further increase the energy saving effect by introducing a control method.

  In a desirable embodiment of the present invention, it is possible to change the setting in multiple stages by combining two types of restriction items for energy saving such as load (load) and operation speed, and an operation time zone. This control method can also be used when responding to the increase / decrease of consumer devices in the city, the setting of energy saving function for each season, and the like.

  Also, if the energy saving effect in the building increases due to another action, such as replacement of air-conditioning equipment, the energy saving characteristics by the escalator may not be necessary so much, so the energy saving function in each time zone It is also possible to switch to a control method that reduces convenience and improves convenience.

  As described above, in this embodiment, it is possible to freely set selection of priority for energy saving and convenience in the escalator.

  The present invention relates to an energy saving operation of an escalator, and is considered to be highly usable particularly as an adjustment of energy saving and convenience.

  DESCRIPTION OF SYMBOLS 1 ... Operation part, 2 ... Clock, 3 ... Microcomputer, 4 ... Memory, 5 ... CPU, 6 ... Input circuit, 7 ... Output circuit, 71 ... Announcement device, 72 ... Display device, 8 ... Inverter, 9 ... Motor, 10 DESCRIPTION OF SYMBOLS ... Torque detector, 11 ... Operation part, 12 ... Clock, 13 ... Microcomputer, 14 ... Memory, 15 ... CPU, 16 ... Input circuit, 17 ... Output circuit, 18 ... Control part of each escalator.

Claims (9)

A variable voltage-variable frequency of the induction motor by the output to the PWM inverter AC was variable speed control, the escalator over control apparatus for driving a escalator by the induction motor,
A setting unit that sets the upper limit of passenger load on the escalator for each time period
Load detecting means for detecting a passenger load of the escalator during operation, and when a passenger load detection value by the load detection means of the escalator during operation exceeds an upper limit value of the passenger load during the time period, the passenger load An escalator control device comprising passenger load limiting means for limiting   2. The escalator control device according to claim 1, wherein the upper limit value of the passenger load is obtained by converting a cumulative number of persons allowed to enter the escalator in each time zone into a load.   The escalator control device according to claim 1, wherein the passenger load limiting means is boarding limiting means for limiting boarding into the escalator.   The escalator control device according to claim 1, wherein the passenger load limiting means is an announcement device that limits boarding of the escalator.   The escalator control device according to claim 1, wherein the passenger load limiting unit is an operation stop unit that stops the operation of the escalator.   In any one of Claims 1-5, The speed setting part which sets the driving speed of the said escalator for every time slot | zone, The speed control apparatus which speed-controls the said escalator with the driving speed set by the said speed setting part. An escalator control device characterized by comprising. In any one of Claims 1-6, the said escalator is set along the operation setting part which sets the driving | operation or stop of the said escalator for every time slot | zone, and the operation schedule of the driving | operation or stop set by the said operation setting part. An escalator control device comprising an escalator drive device that is operated or stopped. A variable voltage-variable frequency of the induction motor by the output to the PWM inverter AC was variable speed control, the escalator over control apparatus for driving a escalator by the induction motor,
A load upper limit setting unit for setting an upper limit value of a passenger load within a predetermined time, a load detection means for detecting a passenger load of the escalator during operation, and a passenger load detection value by the load detection means of the escalator during operation A load limiting control device including a passenger load limiting means for limiting the passenger load when the passenger load exceeds an upper limit value of the passenger load in the time period,
A speed control unit including a speed setting unit configured to set an operating speed of the escalator within a predetermined time and a speed control unit configured to operate the escalator at an operating speed set by the speed setting unit, or the escalator within a predetermined time At least among operation control devices including an operation setting unit that sets operation or suspension of operation , and an operation control unit that operates or halts the escalator in accordance with an operation schedule of operation or suspension set by the operation setting unit. An escalator control device comprising two control devices. In an escalator group control device that is installed in a building and controls a plurality of escalators driven by this induction motor by variable speed control of the induction motor by a PWM inverter that outputs AC of variable voltage and variable frequency.
Wherein the plurality of operation schedule setting portion that sets the operation schedule of operation or pause of the corresponding escalator every and each time slot each escalator escalators, and along the set the operation schedule by the operation schedule setting portion, a plurality An escalator group control device comprising an operation control unit for operating or pausing each of the escalators.

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