Elevator monitoring device, elevator monitoring system

Abstract

Considering cases where the amount of data per unit time increases, such as when the elevator car is moving and sensor data changes constantly over a short period of time, it was not possible to adopt a communication standard with a small communication capacity and low power consumption between the monitoring unit and the relay device. [Solution] The elevator monitoring device comprises a sensor management device that reads sensor values ​​from sensors installed in the elevator car, and a communication function device that can communicate wirelessly with the sensor management device, the sensor management device having a data analysis unit that analyzes the sensor values ​​and generates analysis data, a status determination unit that determines the status of the car from the analysis data and generates status determination data, and a wireless transmission unit that transmits the status determination data wirelessly using a first communication method, and the communication function device having a wireless receiving unit that receives the status determination data transmitted from the wireless transmission unit and a network transmission unit that transmits the status determination data using a second communication method.

Description

[Technical Field]

[0001] The present disclosure relates to an elevator monitoring device and an elevator monitoring system. [Background technology]

[0002] There are elevator monitoring devices that are installed in elevator cars and monitor their external appearance with sensors, and communicate wirelessly with a central device via a mobile phone network or Wi-Fi (registered trademark) network.However, in places where the radio wave environment is poor, such as the bottom of the elevator shaft on basement floors, the elevator monitoring device cannot communicate with the central device even if it detects the status of the car, which is a problem.

[0003] To solve this problem, in Patent Document 1, a monitoring unit installed inside the car transmits camera images and information from various sensors via radio waves to a relay device, which then transmits this information to a transceiver device in the elevator monitoring center. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2003-63747 Summary of the Invention [Problem to be solved by the invention]

[0005] The monitoring unit in Patent Document 1 compresses images before sending them, but transmits information from various sensors as is. However, when considering cases where the amount of data per unit time increases, such as when the elevator car is moving and sensor data changes constantly over a short period of time, it was not possible to adopt a communication standard with low power consumption and small communication capacity between the monitoring unit and the relay device.

[0006] The present disclosure has been made to solve the above-mentioned problems, and aims to enable the adoption of communication standards with small communication capacity and low power consumption by analyzing and / or compressing data obtained from various sensors and transmitting the data in a reduced volume. [Means for solving the problem]

[0007] The elevator monitoring device of the present disclosure includes a sensor management device that reads sensor values ​​from sensors installed in an elevator car, and a communication function device that can communicate wirelessly with the sensor management device. The sensor management device includes a data analysis unit that analyzes the sensor values ​​and generates analysis data, a status determination unit that determines the status of the car from the analysis data and generates status determination data, and a data compression unit that compresses the state determination data; and a wireless transmission unit that transmits wirelessly in a first communication method, and the communication function device Compressed The device has a wireless receiving unit that receives the status determination data, and a network transmitting unit that transmits the status determination data in the second communication method. [Effects of the Invention]

[0008] According to the present disclosure, the amount of data transmitted and received between the sensor management device and the communication function device can be reduced, enabling communication with low power consumption, thereby providing a cheaper elevator monitoring device. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a diagram showing a schematic configuration of an elevator in a first embodiment. FIG. [Figure 2] 1 is a schematic diagram of an elevator monitoring system according to a first embodiment. [Figure 3] 1 is a configuration diagram of devices in an elevator monitoring system according to a first embodiment. [Figure 4] 4 is a flowchart showing the operation of the sensor management device in the first embodiment. [Figure 5]FIG. 3 is a diagram illustrating a specific example of a sensor value acquisition unit according to the first embodiment. [Figure 6] FIG. 3 is a diagram showing a specific example of a data analysis unit in the first embodiment. [Figure 7] 5 is a flowchart showing processing in a time-series acceleration data analysis unit according to the first embodiment. [Figure 8] FIG. 3 is a diagram illustrating a specific example of a state determination unit according to the first embodiment. [Figure 9] 4 is a flowchart showing the operation of the communication function device in the first embodiment. [Figure 10] 4 is a flowchart showing the operation of the center device in the first embodiment. [Figure 11] 3 is a diagram illustrating an example of hardware resources of the sensor management device according to the first embodiment. FIG. [Figure 12] FIG. 10 is a diagram illustrating another example of hardware resources of the sensor management device according to the first embodiment. [Figure 13] 2 is a diagram illustrating an example of hardware resources of a communication function device according to the first embodiment. FIG. [Figure 14] 10 is a diagram illustrating another example of hardware resources of the communication function device according to the first embodiment. FIG. [Figure 15] FIG. 10 is a diagram illustrating the configuration of devices in an elevator monitoring system according to a second embodiment. [Figure 16] FIG. 11 is a diagram illustrating the configuration of devices in an elevator monitoring system according to a third embodiment. [Figure 17] FIG. 10 is a diagram illustrating the configuration of devices in an elevator monitoring system according to a fourth embodiment. [Figure 18] FIG. 11 is a diagram illustrating the configuration of devices in an elevator monitoring system according to a fifth embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0010] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present disclosure will be described with reference to the accompanying drawings. In the drawings, the same or corresponding parts are designated by the same reference numerals, and redundant explanations will be appropriately simplified or omitted.

[0011] Embodiment 1 FIG. 1 is a diagram showing the schematic configuration of an elevator, FIG. 2 is a schematic diagram of an elevator monitoring system, and FIG. 3 is a diagram showing the configuration of the equipment in the elevator monitoring system.

[0012] An elevator car 1 is installed in a hoistway 2 provided in a building. The car 1 moves within the hoistway 2 between a plurality of floors.

[0013] A machine room 3 is provided directly above the elevator shaft 2. The machine room 3 contains a hoisting machine 4, a hoisting machine control panel 5, a deflector sheave 6, and an elevator control device 7.

[0014] The car 1 and the counterweight 8 are connected to both ends of a rope 9. The rope 9 is hung between the hoisting machine 4 and the deflector pulley 6, and the car 1 and the counterweight 8 are suspended.

[0015] In this elevator, a traction machine control panel 5 controls the rotation and stopping of a traction machine 4, thereby causing a car 1 installed in an elevator shaft 2 to travel upward or downward.

[0016] At each floor, a landing 12 is provided in front of the landing door 11 for boarding the elevator. When the car 1 arrives at each floor, the driving motor opens the car door 10, and the landing door 11 also opens in conjunction with this, allowing passengers at the landing 12 to board the car 1.

[0017] A hall control device 13 is installed at each hall 12. This hall control device 13 has operation buttons for calling the car 1, a display panel showing operation information of the car 1, etc. In addition, the hall control device 13 is connected to the elevator control device 7 via a communication line 14, and can send and receive information to and from each other.

[0018] A sensor management device 100 of the elevator monitoring device 15 is disposed above the car 1. A communication function device 200 of the elevator monitoring device 15 is disposed in the machine room 3. The sensor management device 100 is attached externally to the car 1 and connected by cables to various sensors 400 arranged inside the car 1. "External" here means that it is installed separately from the sensors that are installed as standard in the car 1. For example, this applies to cases where a sensor with a new function is installed in the car 1 when the elevator is old. This also applies to cases where a sensor with a new function is installed in an elevator made by another company when the information acquired by the sensors already installed as standard cannot be analyzed. Examples of the sensors 400 include acceleration sensors, air pressure sensors, door opening / closing sensors, and human presence sensors.

[0019] The elevator monitoring system is mainly composed of an elevator monitoring device 15 consisting of a sensor management device 100 and a communication function device 200, and a center device 300. The sensor management device 100 and the communication function device 200 communicate wirelessly using a communication method that complies with the BLE (Bluetooth Low Energy, "Bluetooth" is a registered trademark) communication standard. BLE communication is a communication protocol designed to achieve low power consumption, and data transfer capacity is kept small. In this case, this is the first communication method.

[0020] Furthermore, the communication function device 200 and the center device 300 transmit and receive information via a communication network 500. This communication network 500 may be a mobile phone communication network, a Wi-Fi communication network, or the like. In this case, this is the second communication method.

[0021] The block diagram of Figure 3(a) shows the configuration of the sensor management device 100. Figure 4 is a flowchart showing the operation of the sensor management device 100.

[0022] The sensor management device 100 includes a sensor value acquisition unit 101, a data analysis unit 102, a state determination unit 103, a data compression unit 104, a wireless transmission unit 105, and a wireless reception unit (not shown).

[0023] The sensor value acquisition unit 101 acquires sensor values ​​from various sensors 400 (step S001).

[0024] 5 is a diagram showing a specific example of the sensor value acquisition unit 101, in which an acceleration sensor 400a and a door opening / closing sensor 400b are installed inside the elevator car 1. The sensor value acquisition unit 101 has an acceleration sensor value reading unit 101a, an acceleration sensor value storage unit 101b, a door opening / closing sensor value reading unit 101c, and a door opening / closing sensor value storage unit 101d.

[0025] The acceleration sensor 400a is installed on the wall of the car 1 and measures the acceleration of the car 1 as it ascends and descends. The door opening / closing sensor 400b is installed on the car door 10 and measures the opening degree of the car door 10. The measured value is zero when the car door 10 is closed and increases steadily as the car door 10 is opening.

[0026] The acceleration sensor value reading unit 101a reads acceleration values ​​from the acceleration sensor 400a at regular time intervals and stores them sequentially in the acceleration sensor value storage unit 101b. Thus, the acceleration sensor value storage unit 101b stores the acceleration values ​​as time-series data.

[0027] Similarly, the door opening / closing sensor value reading unit 101c reads the value of the opening degree of the car door 10 from the door opening / closing sensor 400b at regular intervals and stores the value in the door opening / closing sensor value storage unit 101d one by one. Therefore, the door opening / closing sensor value storage unit 101d stores the opening degree values ​​as time-series data.

[0028] The data analysis unit 102 analyzes the values ​​acquired by the sensor value acquisition unit 101 and generates analysis data (step S002).

[0029] FIG. 6 is a diagram showing a specific example of the data analysis unit 102, which has a time-series acceleration data analysis unit 102a, a car position storage unit 102b, a car speed storage unit 102c, a running direction storage unit 102d, an acceleration feature point storage unit 102e, a time-series door opening / closing data analysis unit 102f, and a door opening / closing state storage unit 102g.

[0030] The time-series acceleration data analysis unit 102a reads and analyzes the time-series acceleration data accumulated in the acceleration sensor value storage unit 101b in time series. Then, the position data, speed data, running direction data, and characteristic point data of the acceleration change of the car 1 are obtained and stored in the car position storage unit 102b, the car speed storage unit 102c, the running direction storage unit 102d, and the acceleration characteristic point storage unit 102e.

[0031] FIG. 7 is a flowchart showing the processing in the time-series acceleration data analysis unit 102a. First, the acceleration time-series data accumulated in the acceleration sensor value storage unit 101b in a time-series manner is read out, and the acceleration function F(a) is derived (step S101). Next, feature points of the change in the acceleration function F(a) are extracted (step S102). This feature point data of the change in acceleration is change data when the acceleration change amount exceeds a predetermined amount, such as in the case of a sudden stop, or when the acceleration change amount exceeds a predetermined amount in the lateral direction, such as in the case of abnormal vibration of the car. In this way, when the acceleration change data greatly exceeds a predetermined value, it is determined in step S102 that a feature point has been found, and this feature point is stored in the acceleration feature point storage unit 102e (step S103).

[0032] Next, the acceleration function F(a) is integrated to derive a speed function F(v), which is stored in the car speed storage unit 102c (step S104).

[0033] Next, it is determined whether the speed function F(v) is 0 (step S105). If the value is 0 in step S105, the car 1 is stopped, and therefore "stop" is stored in the travel direction storage unit 102d (step S107). If the value is not 0 in step S105, it is determined whether the value F(a) at the most recent time when F(v) changed from 0 is greater than or less than 0 (step S106). If it is determined in step S106 that the value is less than 0, "down" is stored in the travel direction storage unit 102d (step S108), and if it is determined that the value is greater than 0, "up" is stored in the travel direction storage unit 102d (step S109).

[0034] Next, the speed function F(v) is integrated to derive the position function F(x), and the position of the car is stored in the car position storage unit 102b (step S110). Note that this position is a value indicating a floor or an interval between floors.

[0035] The time-series door opening / closing data analysis unit 102f acquires and analyzes the time-series data of the opening degree accumulated in the door opening / closing sensor value storage unit 101d in time series, determines whether the door is open or closed, and stores the door opening / closing data in the door opening / closing state storage unit 102g.

[0036] Generally, when monitoring the external appearance of a moving object such as an elevator, it is necessary to read values ​​from the sensor at short time intervals, resulting in a large amount of stored time-series data. However, when using a communication standard with a small data transfer capacity such as BLE communication, it is necessary to reduce the amount of data transmitted. For this reason, the data analysis unit 102 attempts to reduce the amount of data.

[0037] That is, here, the car position is the value of the floor or the value indicating the distance between floors. The car speed does not change when the car is stopped or traveling at a constant speed, so the values ​​during this period are omitted. The traveling direction is summarized into three values: stopped, up, and down. Only special cases, such as when a predetermined amount of acceleration change is exceeded, such as in a sudden stop, or when a predetermined amount of acceleration change in the lateral direction is exceeded, such as in abnormal vibration of the car, are extracted as acceleration feature points. The door open / closed state is summarized into two values: door open and door closed.

[0038] By doing this, the total amount of data stored in the car position memory unit 102b, the car speed memory unit 102c, the traveling direction memory unit 102d, the acceleration feature point memory unit 102e, and the door opening / closing state memory unit 102g can be significantly reduced compared to the amount of data accumulated in the acceleration sensor value memory unit 101b and the door opening / closing sensor value memory unit 101d.

[0039] The state determination unit 103 determines the state of the car 1 from the data analyzed by the data analysis unit 102, and generates state determination data (step S003).

[0040] FIG. 8 is a diagram showing a specific example of the state determination unit 103, which has a door-open state running determination unit 103a, a door-open state running detection memory unit 103b, an abnormal stop determination unit 103c, an abnormal stop detection memory unit 103d, an abnormal vibration determination unit 103e, an abnormal vibration detection memory unit 103f, an inter-floor stop determination unit 103g, an inter-floor stop detection memory unit 103h, and a model-specific determination criterion memory unit 103i.

[0041] The door-open state running determination unit 103a, the abnormal stop determination unit 103c, the abnormal vibration determination unit 103e, and the inter-floor stop determination unit 103g extract the reference values ​​for the corresponding model from the determination criteria stored in advance in the determination criteria storage unit 103i for each model, and determine the state by appropriately comparing the values ​​with the car position, car speed, running direction, acceleration feature point, and door open / closed state values ​​stored in the car position storage unit 102b, the car speed storage unit 102c, the running direction storage unit 102d, the acceleration feature point storage unit 102e, and the door open / closed state storage unit 102g.

[0042] The door-open running determination unit 103a acquires values ​​of the car position, car speed, running direction, and door open / closed state, and determines at what position the car ran with the door open according to the determination criteria for each model.Then, data on the car running with the door open is stored in the door-open running detection storage unit 103b.

[0043] The abnormal stop determination unit 103c acquires the values ​​of the car position, car speed, and acceleration feature point, and determines at which position the car has abnormally stopped according to the determination criteria for each model. Then, the abnormal stop data is stored in the abnormal stop detection storage unit 103d.

[0044] The abnormal vibration determination unit 103e acquires the car position and the value of the acceleration characteristic point, and determines at which position abnormal vibration has occurred in the car according to the determination criteria for each model. Then, the abnormal vibration data is stored in the abnormal vibration detection storage unit 103f.

[0045] The inter-floor stop determination unit 103g acquires the values ​​of the car position and car speed, and determines at what position the car has stopped between floors according to the determination criteria for each model. Then, the data on the inter-floor stop is stored in the inter-floor stop detection storage unit 103h.

[0046] Even when determining whether elevator 1 is running normally, which is not the case in this specific example, the number of patterns indicating the state is limited, such as door open stop and stopping floor, door closed stop and stopping floor, traveling upward, traveling downward, etc., so the data capacity is reduced.

[0047] The data compression unit 104 compresses the state determination data generated by the state determination unit 103 (step S004). That is, when data is stored in the door-open state running detection storage unit 103b, the abnormal stop detection storage unit 103d, the abnormal vibration detection storage unit 103f, and the inter-floor stop detection storage unit 103h, the data compression unit 104 compresses the data.

[0048] The wireless transmitting unit 105 transmits the data compressed by the data compressing unit 104 to the communication function device 200 by BLE communication (step S005).

[0049] The block diagram of Fig. 3(b) shows the configuration of the communication function device 200. Fig. 9 is a flowchart showing the operation of the communication function device 200. The communication function device 200 has a wireless receiving unit 201, a network transmitting unit 202, a wireless transmitting unit (not shown), and a network receiving unit (not shown).

[0050] The wireless receiving unit 201 receives compressed data transmitted by BLE communication from the sensor management device 100 (step S201). Next, the network transmitting unit 202 converts the compressed data from the BLE communication format to a network communication format, such as a format for a mobile phone communication network or a Wi-Fi communication network (step S202). After that, the network transmitting unit 202 transmits the compressed data to the center device 300 (step S203).

[0051] The block diagram of Fig. 3(c) shows the configuration of the center device 300. Fig. 10 is a flowchart showing the operation of the center device 300. The center device 300 has a network receiving unit 301, a data restoring unit 302, a status monitoring unit 303, and a network transmitting unit (not shown).

[0052] The network receiving unit 301 receives compressed data transmitted from the communication function device 200 (step S301). Next, the data restoring unit 302 restores the compressed data to the original data. (Step S302) This data is the same as the data stored in the door-open state running detection memory unit 103b, the abnormal stop detection memory unit 103d, the abnormal vibration detection memory unit 103f, and the inter-floor stop detection memory unit 103h. The status monitoring unit 303 processes this data and displays it on a monitor so that the operator of the center device 300 can monitor the status. (Step S303) .

[0053] As described above, in the elevator monitoring system of the first embodiment, the amount of data transmitted and received between the sensor management device 100 and the communication function device 200 can be reduced, enabling communication with low power consumption such as BLE communication. This makes it possible to provide a more affordable elevator monitoring device. Furthermore, since the communication function device 200 transmits the state determination data to the center device 300 in a compressed state, it is possible to reduce the amount of communication on the mobile phone communication network or WiFi network, thereby reducing communication costs.

[0054] The functions of the wireless transmitting unit and the wireless receiving unit may be combined into a wireless communication unit, and the functions of the network transmitting unit and the network receiving unit may be combined into a network communication unit.

[0055] Furthermore, wireless communication between the communication function device and the sensor management device may be performed using a communication method other than BLE communication that consumes low power and has a small data transfer capacity.

[0056] Furthermore, if the status determination data is sufficiently small, it may be transmitted from the wireless transmission unit 105 as is without being compressed.

[0057] Furthermore, in elevators that do not have a machine room, the communication function device 200 may be installed in the elevator shaft.

[0058] 11 is a diagram illustrating an example of hardware resources of the sensor management device 100. The hardware resources of the sensor management device 100 include a processor 110, a memory 111, and a transmission / reception circuit 112. Note that there may be multiple processors 110, memories 111, and transmission / reception circuits 112.

[0059] 5, 6, and 8 are performed by a memory 111. Programs are stored in the memory 111, and are read out as needed and executed by the processor 110 to perform functions such as reading, analyzing, determining, and compressing. The wireless transmission unit 105 is performed by a transmission / reception circuit 112.

[0060] The processor 110 is also called a CPU (Central Processing Unit), central processing unit, arithmetic unit, microprocessor, microcomputer, or DSP. The memory 111 may be a semiconductor memory, a magnetic disk, a flexible disk, an optical disk, a compact disk, a minidisk, or a DVD. Usable semiconductor memories include RAM, ROM, flash memory, EPROM, and EEPROM.

[0061] Fig. 12 is a diagram showing another example of hardware resources of the sensor management device 100. In the example of Fig. 12, the sensor management device 100 includes a processing circuit including a processor 110, a memory 111, a transmission / reception circuit 112, and dedicated hardware 113. Some of the functions of the sensor management device 100 are realized by the dedicated hardware 113. It is also possible to realize all of the functions of the sensor management device 100 by the dedicated hardware 113. The dedicated hardware 113 can be a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof.

[0062] 13 is a diagram showing an example of hardware resources of the communication function device 200. The communication function device 200 has, as hardware resources, a processor 210, a memory 211, and a transmission / reception circuit 212. Note that there may be multiple processors 210, memories 211, and transmission / reception circuits 212.

[0063] The memory 211 is responsible for processing such as storing data when transmitting and receiving. The memory 211 also stores programs that are read out as appropriate and executed by the processor 210 to perform functions such as converting communication formats. The transmission and reception of data is handled by the transmission and reception circuit 212.

[0064] Fig. 14 is a diagram showing another example of hardware resources of the communication function device 200. In the example of Fig. 14, the communication function device 200 comprises a processing circuit including a processor 210, a memory 211, a transmission / reception circuit 212, and dedicated hardware 213. Some of the functions of the communication function device 200 are realized by the dedicated hardware 213. It is also possible to realize all of the functions of the communication function device 200 by the dedicated hardware 213.

[0065] Embodiment 2 Fig. 15 is a diagram showing the configuration of devices in an elevator monitoring system according to embodiment 2. In Fig. 15, the data compressed by the sensor management device 100 is decompressed by the communication function device 200, not by the center device 300 in Fig. 3.

[0066] 15(b), the wireless receiving unit 201 receives compressed data transmitted by BLE communication from the sensor management device 100. Next, the data restoring unit 203 restores the compressed data to the original data. The network transmitting unit 202 converts this data into a format for a mobile phone communication network, a Wi-Fi communication network, or the like, and transmits it to the center device 300.

[0067] Elevator monitoring devices 15 for multiple elevators are connected to the center device 300. It is assumed that the elevator monitoring devices 15 will transmit compressed data as well as uncompressed data. In this case, the network receiving unit 301 needs to identify whether the data is compressed or not, which complicates the processing. In contrast, the processing load can be reduced by uniformly transmitting only uncompressed data to the center device 300.

[0068] Embodiment 3 Fig. 16 is a diagram showing the configuration of devices in an elevator monitoring system according to embodiment 3. In Fig. 16, analysis of data acquired from sensors and state determination are performed by a communication function device 200, instead of the sensor management device 100 in Fig. 15.

[0069] In FIG. 16(a), data acquired by a sensor value acquisition unit 101 is compressed by a data compression unit 104 and transmitted from a wireless transmission unit 105 via BLE communication.

[0070] 16(b), in the communication function device 200, the original data restored by the data restoration unit 203 is analyzed by the data analysis unit 204 and the state is determined by the state determination unit 205.

[0071] When the data acquired by the sensor 400 is not large, the data can be compressed to reduce the communication volume to a level that allows BLE communication. Also, by having the communication function device 200 perform relatively complex data analysis and status determination processing, the sensor management device 100 can be simplified in configuration and reduced in weight. By reducing the weight of the sensor management device 100 placed in the car 1, the load on the hoisting machine 4 can be reduced.

[0072] Embodiment 4 Fig. 17 is a diagram showing the configuration of devices in an elevator monitoring system according to embodiment 4. In Fig. 17, analysis of data acquired from the sensors in Fig. 3 and state determination are performed by the center device 300, not the sensor management device 100.

[0073] In FIG. 17(a), data acquired by a sensor value acquisition unit 101 is compressed by a data compression unit 104 and transmitted from a wireless transmission unit 105 via BLE communication.

[0074] 17(c), in the center device 300, the original data restored by the data restoration unit 302 is analyzed by the data analysis unit 304, and the state is determined by the state determination unit 305.

[0075] When the data acquired by the sensor 400 is not large, the data can be compressed to reduce the communication volume to a level that allows BLE communication. Also, by having the center device 300 perform relatively complex data analysis and status determination processing, the sensor management device 100 can be simplified in configuration and reduced in weight. By reducing the weight of the sensor management device 100 placed in the car 1, the load on the hoisting machine 4 can be reduced.

[0076] Furthermore, when it is necessary to implement a variety of different analysis methods and judgment methods depending on the characteristics of each elevator model, the sensor management device 100 and the communication function device 200 can be made model-independent, thereby reducing the labor required to manage and operate the devices installed in the elevator, thereby making it possible to provide a more affordable elevator monitoring device.

[0077] Embodiment 5. 18 is a diagram showing the configuration of devices in an elevator monitoring system according to Embodiment 5. In FIG. 18, the data restoration performed by the center device 300 in FIG.

[0078] 18(b), the wireless receiving unit 201 receives compressed data transmitted by BLE communication from the sensor management device 100. Next, the data restoring unit 203 restores the compressed data to the original data. The network transmitting unit 202 converts this data into a format for a mobile phone communication network, a Wi-Fi communication network, or the like, and transmits it to the center device 300.

[0079] This simplifies the configuration and reduces the weight of the sensor management device 100. By reducing the weight of the sensor management device 100 disposed in the car 1, the load on the hoisting machine 4 can be reduced.

[0080] Moreover, by uniformly transmitting only uncompressed data to the center device 300, the processing load can be reduced.

[0081] Although the preferred embodiments have been described in detail above, the present invention is not limited to these embodiments, and various modifications and substitutions can be made to the above-described embodiments without departing from the scope of the disclosure.

[0082] Furthermore, when the number, quantity, amount, range, etc. of each element is mentioned in the embodiments, the device of this disclosure is not limited to the mentioned number unless otherwise specified or clearly specified in principle. Furthermore, the structures, etc. described in the embodiments are not necessarily essential unless otherwise specified or clearly specified in principle. [Explanation of symbols]

[0083] 1. Car, 2. Hoistway, 3. Machine room, 4. Hoisting machine, 5. Hoist control panel , 6 deflector wheels, 7 Elevator control device , 8 counterweights, 9 Rope, 11 Platform door, 12 Platform, 13 Platform control device, 14 Communication line, 15 Elevator monitoring device, 100 sensor management device, 101 sensor value acquisition unit, 101a acceleration sensor value reading unit, 101b acceleration sensor value storage unit, 101c door opening / closing sensor value reading unit, 101d door opening / closing sensor value storage unit, 102 data analysis unit, 102a time series acceleration data analysis unit, 102b car position storage unit, 102c car speed storage unit, 102d running direction storage unit, 102e acceleration characteristic point storage unit, 102f time-series door opening / closing data analysis unit, 102g door opening / closing state storage unit, 103 state determination unit, 103a door open state running determination unit, 103b door open state travel detection storage unit, 103c abnormal stop determination unit, 103d abnormal stop detection storage unit, 103e abnormal vibration determination unit, 103f abnormal vibration detection memory unit, 103g floor-to-floor stop determination unit, 103h Floor-to-floor stop detection memory section, 103i Model-specific judgment criteria memory section 104 data compression unit, 105 radio transmission unit, 110 processor, 111 memory, 112 transmitting / receiving circuit, 113 dedicated hardware, 200 communication function device, 201 radio receiving unit, 202 network transmitting unit, 203 data restoration unit, 204 data analysis unit, 205 state determination unit, 210 processor, 211 memory, 212 transmitting and receiving circuit, 213 dedicated hardware, 300 center device, 301 network receiving unit, 302 data recovery unit, 303 status monitoring unit, 304 data analysis unit, 305 status determination unit, 400 sensor, 500 communication network

Claims

1. An elevator monitoring device includes a sensor management device that reads sensor values ​​from sensors installed in an elevator car, and a communication function device that can wirelessly communicate with the sensor management device, The sensor management device includes a data analysis unit that analyzes the sensor value and generates analysis data, and a state determination unit that determines the state of the elevator car from the analysis data and generates state determination data. a data compression unit that compresses the state determination data; a wireless transmission unit that wirelessly transmits the compressed state determination data using a first communication method; The communication function device is characterized in that it has a wireless receiving unit that receives the compressed status determination data transmitted from the wireless transmitting unit, and a network transmitting unit that transmits the status determination data using a second communication method.

2. 2. The elevator monitoring device according to claim 1, wherein the network transmission unit transmits the compressed state determination data.

3. 2. The elevator monitoring device according to claim 1, wherein the communication function device has a data restoration unit that restores the compressed status determination data, and the network transmission unit transmits the restored status determination data.

4. An elevator monitoring device includes a sensor management device that reads sensor values ​​from sensors installed in an elevator car, and a communication function device that can wirelessly communicate with the sensor management device, the sensor management device includes a data compression unit that compresses the sensor value, and a wireless transmission unit that wirelessly transmits the compressed sensor value using a first communication method; the communication function device comprises a wireless receiving unit that receives the compressed sensor value transmitted from the wireless transmitting unit, a data restoring unit that restores the compressed sensor value, a data analyzing unit that analyzes the restored sensor value and generates analysis data, a status determining unit that determines the status of the elevator car from the analysis data and generates status determination data, and a network transmitting unit that transmits the status determination data by a second communication method.

5. The sensor is an acceleration sensor that measures the acceleration of the car, and a door opening / closing sensor that measures the opening degree of a door of the car, The analysis data is at least one of position data of the car, speed data of the car, running direction data of the car, acceleration change data of the car, and door opening / closing data of the car, 5. The elevator monitoring device according to claim 1, wherein the state determination data is at least one of data indicating that the car is running with its door open, data indicating that the car has stopped abnormally, data indicating that the car has vibrated abnormally, and data indicating that the car has stopped between floors.

6. An elevator monitoring system including a sensor management device that reads sensor values ​​from sensors installed in elevator cars, a communication function device capable of wirelessly communicating with the sensor management device, and a center device capable of communicating with the communication function device via a communication network, the sensor management device includes a data compression unit that compresses the sensor value, and a wireless transmission unit that wirelessly transmits the compressed sensor value using a first communication method; the communication function device includes a wireless receiving unit that receives the compressed sensor value transmitted from the wireless transmitting unit, and a network transmitting unit that transmits the compressed sensor value in a second communication method; an elevator monitoring system characterized in that the center device has a network receiving unit that receives the compressed sensor value transmitted from the network transmitting unit; a data restoration unit that restores the compressed sensor value; a data analysis unit that analyzes the restored sensor value and generates analysis data; and a status determination unit that determines the status of the elevator car from the analysis data and generates status determination data.

7. An elevator monitoring system including a sensor management device that reads sensor values ​​from sensors installed in elevator cars, a communication function device capable of wirelessly communicating with the sensor management device, and a center device capable of communicating with the communication function device via a communication network, the sensor management device includes a data compression unit that compresses the sensor value, and a wireless transmission unit that wirelessly transmits the compressed sensor value using a first communication method; the communication function device includes a wireless receiving unit that receives the compressed sensor value transmitted from the wireless transmitting unit, a data restoring unit that restores the compressed sensor value, and a network transmitting unit that transmits the restored sensor value in a second communication method; The center device has a network receiving unit that receives the sensor value transmitted from the network transmitting unit, a data analyzing unit that analyzes the sensor value and generates analysis data, and a state determining unit that determines the state of the elevator car from the analysis data and generates state determination data. An elevator monitoring system.

8. The sensor is an acceleration sensor that measures the acceleration of the car, and a door opening / closing sensor that measures the opening degree of a door of the car, The analysis data is at least one of position data of the car, speed data of the car, running direction data of the car, acceleration change data of the car, and door opening / closing data of the car, The elevator monitoring system according to claim 6 or 7, characterized in that the state determination data is at least one of data that the car is running with its door open, data that the car has stopped abnormally, data that the car has vibrated abnormally, and data that the car has stopped between floors.

Images