Elevator Internet of Things fault alarm device and method

Abstract

The present invention discloses an elevator Internet of Things fault alarm device and method, wherein the device comprises a collection terminal, the collection terminal comprises a control device and a network device and a data collection device electrically connected to the control device; the network device is used to establish a network communication channel between the control device and a server, and the network communication channel is based on an NB-IoT network; the data collection device is used to obtain the working status of the elevator, and the control device can control the working status of the network device according to the received working status data of the elevator; by adopting the elevator Internet of Things fault alarm device and method of the present invention, the collection terminal does not need to be online in real time, and a link is established with the server to alarm only when a fault occurs in the elevator. In this way, not only communication traffic can be saved, but also the power of the built-in battery in the collection terminal can be saved, so that when the elevator is powered off, the collection terminal can be operated for a longer time, thereby monitoring the operating status of the elevator for a long time.

Description

Technical Field

[0001] The present invention relates to the technical field of elevator alarm technology, and in particular to an elevator Internet of Things fault alarm device and method capable of alarming on demand. Background Art

[0002] Existing elevator IoT terminals generally adopt network technologies such as 2G, 3G, 4G, NB-IoT and Lora, and basically adopt the technology of maintaining a connection with the cloud server for a long time. The advantage of a long connection is that it can ensure a high online rate and monitor the operating status of the elevator in real time. However, the advantages of a long connection are also obvious, that is, the heartbeat mechanism is required to interact with the cloud server for a long time, and the traffic cost is relatively high. In addition, the long connection mechanism consumes a lot of the built-in battery of the elevator IoT terminal. When the elevator has a long system power outage, the terminal cannot continue to monitor the operation for a long time. Based on the above problems, the present invention improves the triggering mechanism of the alarm device for monitoring the operating status of the elevator, and proposes a technical solution for on-demand alarm of elevator failures. Summary of the invention

[0003] The purpose of the present invention is to solve the above technical problems and to provide an elevator Internet of Things fault alarm device and method that can automatically trigger an alarm according to the working status of the elevator.

[0004] In order to achieve the above-mentioned purpose, the present invention discloses an elevator Internet of Things fault alarm device, including an acquisition terminal, wherein the acquisition terminal includes a control device and a network device and a data acquisition device electrically connected to the control device; the network device is used to establish a network communication channel between the control device and a server, and the network communication channel is based on an NB-IoT network; the data acquisition device is used to obtain the working status of the elevator, and the control device can control the working status of the network device according to the received working status data of the elevator.

[0005] Preferably, the acquisition terminal further comprises a power management device, and the power management device is used to control the power supply mode of the acquisition terminal.

[0006] Preferably, the server is deployed in the cloud.

[0007] Preferably, the power management device includes a switching power supply, a battery and a switching circuit. When the switching power supply is powered off, the switching circuit automatically switches the power supply of the acquisition terminal to the battery.

[0008] Preferably, the acquisition terminal further comprises a timing device electrically connected to the control device, and the control device can start or shut down the network device according to the timing of the timing device.

[0009] The present invention also discloses an elevator Internet of Things fault alarm method, which includes setting a server and a collection terminal, wherein the server and the collection terminal are linked via NB-IoT network communication, and the alarm method includes the following steps:

[0010] Real-time detection and collection of elevator working status data by the collection terminal;

[0011] When the elevator is in normal working state, the acquisition terminal transmits the collected working state data of the elevator to the server, and disconnects the communication link between the server and the acquisition terminal;

[0012] When the elevator is in an abnormal working state, the acquisition terminal wakes up the communication link between the server and the acquisition terminal, establishes a short-duration communication link between the server and the acquisition terminal, and transmits the elevator's working status data to the server.

[0013] Preferably, when the acquisition terminal detects that the elevator enters a fault state:

[0014] The acquisition terminal opens a communication channel with the server and transmits the working status data of the elevator to the server;

[0015] The acquisition terminal continuously acquires the working status data of the elevator and determines whether the elevator has returned to normal working state. If not, the acquisition terminal continuously maintains a short-term link with the server and regularly sends the elevator fault status data to the server; if yes,

[0016] The acquisition terminal sends the normal status data of the elevator to the server and maintains a communication link with the server for a set period of time. During the communication link of the set period, the acquisition terminal confirms the working status of the elevator multiple times. If it is confirmed that the elevator has recovered to a normal working state, the acquisition terminal sends the working status data of the elevator to the server and disconnects the communication link with the server; if the elevator enters a fault state again during the confirmation process of the set period of time, the acquisition terminal continues to maintain a short-term link with the server.

[0017] Preferably, when the acquisition terminal detects that the elevator switches from the maintenance state to the normal working state:

[0018] The acquisition terminal continues to maintain a communication link with the server for a set period of time. During the communication link of the set period of time, the acquisition terminal confirms the working status of the elevator multiple times. If it is confirmed that the elevator has recovered to a normal working state, the acquisition terminal sends the working status data of the elevator to the server and disconnects the communication link with the server; if the elevator enters a maintenance state again during the confirmation process of the set period of time, the acquisition terminal continues to maintain a short-term link with the server.

[0019] Preferably, when the acquisition terminal detects that the elevator enters a power outage state:

[0020] First, the acquisition terminal wakes up the communication link with the server and sends the working status data of the elevator to the server;

[0021] Then, after confirming the power outage status information at least twice, the acquisition terminal transmits the power outage working status information of the elevator to the server again and then disconnects the communication link with the server.

[0022] Preferably, the collection device can also start or disconnect the communication link with the server at a scheduled time.

[0023] Preferably, the acquisition terminal includes a control device and a network device and a data acquisition device electrically connected to the control device; the network device is used to establish a network communication channel between the control device and the server, and the network communication channel is based on the NB-IoT network; the data acquisition device is used to obtain the working status of the elevator, and the control device can control the working status of the network device according to the received working status data of the elevator.

[0024] Preferably, the acquisition terminal further comprises a power management device, and the power management device is used to control the power supply mode of the acquisition terminal.

[0025] Preferably, the server is deployed in the cloud.

[0026] Preferably, the power management device includes a switching power supply, a battery and a switching circuit. When the switching power supply is powered off, the switching circuit automatically switches the power supply of the acquisition terminal to the battery.

[0027] Compared with the prior art, in the elevator Internet of Things fault alarm device and method disclosed in the present invention, a collection terminal is arranged between the server and the elevator controller, and the collection terminal is linked to the server based on the NB-IoT network, and the communication link between the collection terminal and the server is no longer a long-term link, but a short-term link for communication as needed, that is, only when the collection terminal detects that the elevator is in an abnormal working state, the collection terminal establishes a short-term link with the server for a period of time to alarm the fault through the server, and when it is confirmed that the elevator enters the normal working state from the abnormal working state, the collection terminal disconnects the communication link with the server; it can be seen that the elevator Internet of Things fault alarm device and method of the present invention does not require the collection terminal to be online in real time, and only when the elevator fails, a link is established with the server to alarm, so that not only can the communication traffic be saved, but also the power of the built-in battery in the collection terminal can be saved, so that when the elevator is powered off, the collection terminal can be operated for a longer time, thereby monitoring the operation status of the elevator for a long time. In addition, due to the strong penetration ability of the NB-IoT network, it can provide better network signal coverage for elevator usage scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the principle structure of the elevator Internet of Things fault alarm device in an embodiment of the present invention.

[0029] Figure 2 The present invention is a schematic diagram of the working process of the elevator Internet of Things fault alarm device in an embodiment of the present invention.

[0030] Figure 3 The present invention is a schematic diagram of the processing flow of the elevator Internet of Things fault alarm device for the elevator fault status in an embodiment of the present invention.

[0031] Figure 4 The present invention is a schematic diagram of the processing flow of the elevator maintenance status by the elevator Internet of Things fault alarm device in an embodiment of the present invention. DETAILED DESCRIPTION

[0032] In order to explain the technical content, structural features, achieved objectives and effects of the present invention in detail, the following is a detailed description in conjunction with the implementation methods and the accompanying drawings.

[0033] This embodiment discloses an elevator IoT fault alarm device, such as Figure 1, which includes a collection terminal 1, which includes a control device 10 and a network device 11 and a data collection device 12 electrically connected to the control device 10. The network device 11 is used to establish a network communication channel between the control device 10 and the server 2, and the network communication channel is based on the NB-IoT network. The data collection device 12 is used to obtain the working status of the elevator, and the control device 10 can control the working status of the network device 11 according to the received working status data of the elevator. Preferably, the server 2 in this embodiment is arranged in the cloud to facilitate remote monitoring. In addition, the control device 10 is electrically connected to the elevator controller 3 through the data collection device 12 to obtain the real-time operating status of the elevator. Preferably, the control device 10 is electrically connected to the elevator controller 3 through a serial bus (CAN, RS485, RS232, etc.).

[0034] In this embodiment, the alarm method of the above fault alarm device is:

[0035] Please refer to Figure 2 The collection terminal 1 detects and collects the working status data of the elevator in real time through the data collection device 12. When the elevator is in normal working state, the control device 10 in the collection terminal 1 transmits the collected working status data of the elevator to the server 2 and turns off the network device 11 to disconnect the communication link between the server 2 and the collection terminal 1.

[0036] When the elevator is in an abnormal working state, the control device 10 wakes up the network device 11, opens the communication channel between the server 2 and the acquisition terminal 1, establishes a short-duration communication link between the server 2 and the acquisition terminal 1, and transmits the elevator's working status data to the server 2 to realize a fault alarm.

[0037] The working process of the fault alarm device is described below by taking three specific abnormal working states of an elevator as examples.

[0038] 1. Fault status is as follows. Please refer to Figure 1 and Figure 3 ,When the acquisition terminal 1 detects that the elevator enters a fault state through the data acquisition device 12, first, the control device 10 wakes up the network device 11, opens the communication channel with the server 2, and transmits the elevator working state data to the server 2;

[0039] Then, the control device 10 continuously obtains the working status data of the elevator and determines whether the elevator has returned to a normal working state. If not, the control device 10 continuously maintains a short-term link with the server 2 and periodically sends the elevator fault status data to the server 2 for fault alarm; if yes,

[0040] The control device 10 sends the normal status data of the elevator to the server 2, and maintains a communication link with the server 2 for a set period of time. During the communication link of the set period, the control device 10 confirms the working status of the elevator multiple times. If it is confirmed that the elevator has recovered to a normal working state, the control device 10 sends the working status data of the elevator to the server 2, and after obtaining the feedback confirmation from the server 2, the network device 11 is turned off to disconnect the communication link between the control device 10 and the server 2; if the elevator enters a fault state again during the confirmation process of the set period of time, the control device 10 continues to maintain a short-term link with the server 2 to continuously send the elevator fault information to the server 2 at a regular interval, and alarm the elevator fault information.

[0041] 2. Maintenance status. Please refer to Figure 1 and Figure 4 When the control device 10 detects that the elevator enters the maintenance state, it wakes up the network device 11 and opens the communication link with the server 2, so that the acquisition device is online for a short time and transmits the working status data of the elevator to the server 2 to inform the server 2 that the elevator is currently in the maintenance state.

[0042] Then, the control device 10 continuously obtains the working status data of the elevator. When the control device 10 detects that the elevator switches from the maintenance state to the normal working state: the control device 10 continuously maintains a communication link with the server 2 for a set time. During the communication link of the set time, the control device 10 confirms the working status of the elevator multiple times. If the elevator is confirmed to be restored to the normal working state for the last time, the control device 10 sends the working status data of the elevator (has been restored to normal) to the server 2. After receiving feedback from the server 2, the control device 10 turns off the network device 11 to disconnect the communication link with the server 2. If the elevator enters the maintenance state again during the confirmation process of the set time, the control device 10 continues to maintain a short-term link with the server 2, so that the acquisition terminal 1 remains online.

[0043] 3. Power outage. Please refer to Figure 1 , when the acquisition terminal 1 detects that the elevator enters a power outage state:

[0044] First, the control device 10 wakes up the network device 11, opens the communication link with the server 2, and sends the working status data of the elevator to the server 2 to inform the server 2 that the elevator is currently in a power outage state;

[0045] Then, after confirming the power outage status information at least twice, the collection terminal 1 transmits the power outage working status information of the elevator to the server 2 again and disconnects the communication link with the server 2 until the elevator resumes power supply, and then opens the communication link with the server 2 again.

[0046] In another preferred embodiment of the elevator IoT fault alarm device of the present invention, please continue to refer to Figure 1 , the acquisition terminal 1 also includes a timing device 14 electrically connected to the control device 10. The control device 10 can start or shut down the network device 11 according to the timing device 14, so as to start or shut down the communication link between the control device 10 and the server 2. In this embodiment, the timing upload of the working status of the elevator is realized through the setting of the timing device 14, so that when the elevator fails, the server 2 can also be alarmed after a certain period of time. It should also be noted that when the elevator is in a maintenance state, the influence of the timing device 14 on the working status of the network device 11 is shielded, and the influence of the elevator fault state information on the working status of the network device 11 is shielded. When the elevator is in a fault state, only the influence of the timing device 14 on the working status of the network device 11 is shielded. That is, the elevator maintenance state has the highest priority on the working status of the network device 11, followed by the fault state, and the timing device 14 has the lowest priority on the working status of the network device 11.

[0047] Preferably, if Figure 1 The power management device 13 includes a switching power supply 131, a battery 132 and a switching circuit 130. Under normal conditions, the switching power supply 131 provides power supply for the acquisition device. When the switching power supply 131 is powered off, the switching circuit 130 automatically switches the power supply of the acquisition terminal 1 to the battery 132. The switching power supply 131 in this embodiment comes from the elevator system. When the elevator is powered off, the battery 132 seamlessly takes over the power supply of the acquisition terminal 1.

[0048] In summary, through the elevator Internet of Things fault alarm device disclosed by the present invention, a collection terminal 1 is provided between the server 2 arranged in the cloud and the elevator controller 3. The collection terminal 1 can automatically open or close the communication channel with the server 2 according to the working status of the elevator, that is, the collection terminal 1 is not required to be online in real time. When the elevator fails, the collection terminal 1 can obtain this information from the elevator controller 3, and then start the communication link to send the fault information to the server 2 in the cloud, and maintain the communication link with the server 2 during the fault time, or after a short-term link, continue to determine whether the fault still exists. If so, continue to maintain the communication link until the fault is eliminated, thereby realizing an alarm. In this way, not only can the communication traffic be saved, but if the elevator is shut down for a long time due to a power outage, the built-in battery 132 of the collection terminal 1 can continue to run for a longer time, so that the status of the power-off elevator can be monitored for a long time.

[0049] The above disclosure is only the preferred embodiment of the present invention, which certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention are still within the scope covered by the present invention.

Claims

1. An elevator Internet of Things fault alarm method, characterized in that: A server and a collection terminal are provided, wherein the server and the collection terminal are linked via NB-IoT network communication, and the alarm method comprises the following steps: Real-time detection and collection of elevator working status data by the collection terminal; When the elevator is in normal working state, the acquisition terminal transmits the collected working state data of the elevator to the server, and disconnects the communication link between the server and the acquisition terminal; When the elevator is in an abnormal working state, the acquisition terminal wakes up the communication link between the server and the acquisition terminal, establishes a short-duration communication link between the server and the acquisition terminal, and transmits the working state data of the elevator to the server; when the acquisition terminal detects that the elevator enters a fault state: The acquisition terminal opens a communication channel with the server and transmits the working status data of the elevator to the server; The acquisition terminal continuously acquires the working status data of the elevator and determines whether the elevator has returned to normal working state. If not, the acquisition terminal continuously maintains a short-term link with the server and regularly sends the elevator fault status data to the server; if yes, The acquisition terminal sends the normal state data of the elevator to the server, and maintains a communication link with the server for a set period of time. During the communication link of the set period of time, the acquisition terminal confirms the working state of the elevator for multiple times. If it is confirmed that the elevator has returned to a normal working state, the acquisition terminal sends the working state data of the elevator to the server and disconnects the communication link with the server. If the elevator enters a fault state again during the confirmation process of the set duration, the acquisition terminal continues to maintain a short-duration link with the server.

2. The elevator Internet of Things fault alarm method according to claim 1 is characterized in that: When the acquisition terminal detects that the elevator switches from the maintenance state to the normal working state: The acquisition terminal continues to maintain a communication link with the server for a set period of time. During the communication link of the set period of time, the acquisition terminal confirms the working status of the elevator for multiple times. If it is confirmed that the elevator has recovered to a normal working state, the acquisition terminal sends the working status data of the elevator to the server and disconnects the communication link with the server. If the elevator enters the maintenance state again during the confirmation process of the set duration, the acquisition terminal continues to maintain a short-duration link with the server.

3. The elevator Internet of Things fault alarm method according to claim 1 is characterized in that: When the acquisition terminal detects that the elevator enters a power outage state: First, the acquisition terminal wakes up the communication link with the server and sends the working status data of the elevator to the server; Then, after confirming the power outage status information at least twice, the acquisition terminal transmits the power outage working status information of the elevator to the server again and then disconnects the communication link with the server.

4. The elevator Internet of Things fault alarm method according to claim 1 is characterized in that: The collection device can also start or disconnect the communication link with the server at a fixed time.

5. The elevator Internet of Things fault alarm method according to claim 1 is characterized in that: The acquisition terminal includes a control device, a network device and a data acquisition device electrically connected to the control device; the network device is used to establish a network communication channel between the control device and the server, and the network communication channel is based on the NB-IoT network; The data acquisition device is used to obtain the working status of the elevator, and the control device can control the working status of the network device according to the received working status data of the elevator.

6. The elevator Internet of Things fault alarm method according to claim 1 is characterized in that: The acquisition terminal further comprises a power management device, and the power management device is used to control the power supply mode of the acquisition terminal.

7. The elevator Internet of Things fault alarm method according to claim 1 is characterized in that: The server is arranged in the cloud.

8. The elevator Internet of Things fault alarm method according to claim 6 is characterized in that: The power management device includes a switching power supply, a storage battery and a switching circuit. When the switching power supply is powered off, the switching circuit automatically switches the power supply of the acquisition terminal to the storage battery.

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