JP6161109B2 - Data collection system using specified low power radio and data collection method using specified low power radio - Google Patents

Description

  The present invention relates to a data collection system using a specific low power radio and a data collection method using a specific low power radio.

  In recent years, data collection systems that collect business data generated in subordinate apparatuses using a communication function of a specific low-power radio (PAN communication) have become widespread.

  Various techniques related to such a background are known (see, for example, Patent Documents 1 to 6).

  For example, Patent Literature 1 describes a wireless communication system that performs wireless communication in a building in which a plurality of target devices are provided on each of a plurality of floors. More specifically, a parent wireless device (parent device) is installed in the elevator of the apartment house. This master unit is connected to the meter reading center via a public line. A slave radio device (slave device) is connected to each meter-reading device in each room on each floor. Wireless communication is performed between the master unit and the slave unit on that floor while the elevator is stopped on a predetermined floor, and the meter reading value of each meter reading device on this floor is read via the master unit. Sent to. With the elevator stopped at another floor, the meter reading value of the meter reading device on that floor is sent to the meter reading center in the same manner. Thus, by stopping the elevator on all floors of the apartment house and performing wireless communication between the master unit and the slave unit, the meter reading values of all meter reading devices can be sent to the meter reading center. .

  Further, for example, Patent Document 2 relates to an inter-floor movement monitoring apparatus. By adopting an inter-floor moving mechanism using an elevator and a wireless system, a small, lightweight and accessible range is wide. It is described that the introduction can be performed effectively. More specifically, in an inter-floor movement monitoring device that performs patrol inspection work while moving between upper and lower floors, an elevator that moves between floors in a building, and a remote operation that is mounted so as to be able to get on and off the elevator The mobile monitoring robot has a self-running function and a monitoring function.

  Further, for example, Patent Document 3 describes a technique for guarding all floors with a robot in place of an administrator or a guard. More specifically, a parent radio device (parent device) is installed in an elevator of an office building. This master unit is connected to the control center via a public line. A patrol guard robot having a slave radio (slave) in a state where the elevator is stopped on a predetermined floor moves this floor to monitor the situation by performing wireless communication with the master, This content is sent to the control center via the master unit. In the state where the patrol guard robot is placed and the elevator has moved to another floor, the floor is monitored in the same manner, and this is sent to the control center. In this way, by stopping the elevators on all the floors of the office building and performing wireless communication between the master unit and the slave units, all the floors can be guarded by the patrol security robot.

  Further, for example, in Patent Document 4, a parent vending machine collects vending machine data generated by each child vending machine by communication with a specific low power radio, stores it in a memory, and wirelessly transmits this data by communication with a specific low power radio. The system which a handy terminal (H / T) machine collects is described. With this specific low-power radio data collection system and specific low-power radio data collection method, only necessary vending machine information is collected to increase the efficiency of the route service. More specifically, the group number of each child vending machine will be described. Each group No. is stored in the storage means. The parent vending machine uses the vending machine data of each child vending machine as the group number of the vending machine. Collect with. Group No. of the wireless H / T machine via the keyboard. In the storage means, the collection target group No. When the H / T machine is set, this group No. Is requested to send the child vending machine data to the parent vending machine. The parent vending machine sends the designated group number in the memory via the search response means. The child vending machine data is retrieved and sequentially transmitted to the H / T machine.

  In addition, for example, in Patent Document 5 and Patent Document 6 (the divisional application of Japanese Patent Application No. 11-335466), information can be exchanged between each terminal of the elevator system even if a weak radio wave having a narrow communication range is used. And a technique for realizing wireless transmission / reception and reducing elevator wiring in a building. More specifically, the elevator control device, the car terminal, and the floor terminal are each equipped with a short-range wireless transceiver using weak radio waves having a communicable range of about 2 floors (5 to 6 m), Radio waves are transmitted and received between wireless transceivers within the communicable range, and are transmitted by a relay method in which information is transferred by connecting terminals one after another.

Japanese Patent No. 3150515 Japanese Patent No. 3434566 Japanese Patent No. 3140635 Japanese Patent No. 3770630 Japanese Patent No. 3864647 Japanese Patent No. 4544169

  In the case of the system as described in Patent Document 4, a worker who manages and delivers a vending machine called a route man can collect the vending machine data without going to the installation site of the vending machine. Efficiency can be improved.

  By the way, in the data collection system shown in FIG. 2, for example, in the case of the application example shown in FIG. 3, it is assumed that the monopole antenna stands upright in the direction perpendicular to the ground for the operation of wireless communication. However, the monopole antenna has good directivity only in the horizontal direction with respect to the ground due to the characteristics of the antenna, and does not have good directivity in the vertical direction. Therefore, for example, in the case of the system described in Patent Document 4, since the position of the parent vending machine responsible for data collection / storage is fixed, only one parent vending machine covers the vending machines installed on each floor of the building. I can't. That is, for example, in the case of the system described in Patent Document 4, in a building where the parent-child relationship between the parent vending machine and the child vending machine is developed vertically across the floor, it is necessary to install the parent vending machine on each floor. Or, for example, in the case of the system described in Patent Document 4, it is necessary to manually move one parent vending machine to each floor of the building.

  Moreover, although the technique of patent document 1, patent document 5, and patent document 6 loads a parent radio | wireless machine on an elevator, the machine number, model, identification number, etc. of the installed child vending machine are set to its own. The current position is not surely grasped. Thus, communication is not necessarily performed with a child vending machine that should collect self-sales data after a good and appropriate communication environment is formed.

  The objective of this invention is providing the data collection system by the specific low power radio | wireless which solves the subject mentioned above, and the data collection method by a specific low power radio | wireless.

In order to solve the above-described problem, according to the first aspect of the present invention, a parent radio set that moves in the vertical direction of a building having a plurality of floors and a communication with the parent radio set that is installed on each floor of the building. and a slave unit having a function, the master radio, its position, when in any one floor of a plurality of floors, comprising: means for communicating with the installed slave unit to the floor, the communication, A means for collecting information held by the slave unit , a movement stop determining means for determining whether the mobile device is stopped or moving, and a current position determining means for detecting the current position of the mobile device ; When the self radio is stopped, the master radio unit selects and communicates with a slave unit on the floor where the self is stopped among the slave units .

According to the 2nd form of this invention, it is equipped with the main | base station radio | wireless machine which moves to the perpendicular direction of the building which has several floors, and the subunit | mobile_unit which is installed in each floor of a building and has a communication function with a main | base station radio | wireless machine. A method of collecting data by a specific low power radio applied to a data collection system by a specific low power radio, wherein the master radio determines whether the radio is stopped or moving, and the master radio When the machine detects its current position and when the parent radio station is stopped at any one of the multiple floors, it communicates with the slave unit installed on the floor. a method, master radios, and a step of collecting the information by communication, slave unit has.

  The summary of the invention does not enumerate all the features of the present invention. Also, a sub-combination of these feature groups can also be an invention.

  As is apparent from the above description, according to the present invention, it is possible to collect information with high efficiency and high reliability.

  In addition, according to the present invention, the parent radio device can collect information while ensuring a better communication environment with the child device.

It is a block diagram which shows the whole structure of the data collection system by the specific low power radio | wireless which concerns on one Embodiment. It is a block diagram which shows the example of 1 structure of a data collection system. It is a block diagram which shows the example of 1 application of a data collection system.

  Hereinafter, the present invention will be described through embodiments of the invention. However, the following embodiments do not limit the claimed invention, and all combinations of features described in the embodiments are described below. However, this is not always essential for the solution of the invention.

  FIG. 1 is a configuration diagram illustrating an overall configuration of a data collection system using a specific low-power radio according to an embodiment. In the data collection system based on specific low-power wireless communication that establishes a parent-child relationship, the parent wireless device is assumed to be movable in the vertical direction by being installed in an elevator that moves in the vertical direction. In addition, this parent radio device has a function of determining whether it is stopped or moving by detecting its own moving speed. The master wireless device can communicate with the child vending machine that is the child device at the timing when the parent wireless device is stopped (that is, secure a good communication ring) by the function of determining the moving speed. In addition, the parent wireless device detects its own current position (floor at which it has stopped) and can communicate with a child vending machine that can communicate according to the current position.

  In the figure, the data collection system using the specific low-power radio according to the present embodiment includes the child vending machines 1 to 4 installed on the floors 1F to 4F in the building 10 and the parent radio installed in the bag 20 attached to the elevator 11. 21 and a handy terminal 31. In this embodiment, there are only four child vending machines (child machines), ie, child vending machines 1 to 4, but in general, a child vending machine (child machine) can be installed on each floor of any n-th floor building. Up to n units can be installed in any n-floor building. In general, there may be a floor where a plurality of child vending machines (child machines) are installed (in this case, a unique communication channel (for example, a frequency band) is assigned to each vending machine). Each of the child vending machines 1 to 4 (child devices) has a communication function with the parent wireless device 21. Specifically, the communication function of each of the child vending machines 1 to 4 is that the child vending machine that has received the polling from the parent wireless device 21 collects and collects the sales data that it has collected and accumulated from itself. This is a function for transmitting to the machine 21.

  Hereinafter, the overall function of the data collection system using the specific low power radio according to the present embodiment will be described. The parent-child relationship of communication is limited to the horizontal direction depending on the characteristics of the antenna attached to the child vending machines 1 to 4 and the antenna attached to the parent wireless device 21. Therefore, vertical mobility is imparted to the antenna itself attached to the parent radio device 21. Specifically, as the method, the parent radio device 21 is installed in the elevator 11. Note that the child vending machines 1 to 4 and the parent radio device 21 connected to the child vending machines 1 to 4 can exist as independent and separated devices. The parent radio device 21 is provided with mobility in the vertical direction by the above method.

  In addition, each time the elevator 11 reaches each floor, the parent radio device 21 communicates with any of the child vending machines that exist in the horizontal direction. Thereby, the data collection operation | work from all the child vending machines 1-4 in the building 10 can be covered. However, in order to realize this data collection work, the parent radio device 21 has a memory for storing data collected from each of the child vending machines 1 to 4. Summarizing the above functions, the data collection system using the specific low-power radio according to this embodiment naturally has the data collection function of the vending machine management system. However, not only that, there is an effect of further improving the work efficiency of the data collection work when the installation of the vending machines is also deployed in the vertical direction, such as in each floor of a high-rise building.

  Hereinafter, functions of the parent radio device 21 of the data collection system using the specific low power radio according to the present embodiment will be described. The functions of the parent radio device 21 are as described in the following items, but these functions are realized by functions such as a control unit (not shown) held by the parent radio device 21.

  (1) Data collection / retention can be performed as a wireless communication unit independent of the child vending machines 1 to 4. (2) Movable in the vertical direction across the floor. (3) The moving speed when the self is moving is detected and it is determined whether or not the communication is possible (that is, communication is possible when the self is stopped, and communication is not possible when the self is moving at high speed). (4) It is possible to detect the current position of the self (that is, what floor the self is on). (5) A list (table) of child vending machines capable of communicating corresponding to the current position of the self (that is, the floor where the self is stopped) is provided (this list is set by measuring the communication environment in advance) However, this can narrow down the polling target). (5) The data of the child vending machines 1 to 4 acquired by the self can be held and transmitted to the host system (here, the handy terminal 31).

  In order to realize the above function, the parent radio device 21 is installed in the bag 20 attached to the elevator 11 (however, it is not necessarily inside the bag 20 and may be embedded in a side wall, for example). Thereby, the parent radio device 21 can also move in the vertical direction in accordance with the vertical movement (up and down movement) of the elevator 11. In other words, this allows the parent radio device 21 to realize the mobility in the vertical direction across the floor.

  The moving speed of the parent radio device 21 can be detected by using an altitude / barometric pressure sensor and an acceleration sensor (both not shown) built in the parent radio device 21. Since sufficient communication time with the vending machines 1 to 4 cannot be secured sufficiently, communication is prohibited, and communication with the child vending machines 1 to 4 is controlled to be performed while the parent radio device 21 is stopped. The current position of the parent wireless device 21 can be detected by the altitude / barometric sensor built in the parent wireless device 21. Therefore, the master radio 21 compares the list of the child vending machines 1 to 4 with its own position (that is, the stop floor) and polls only the child vending machines that can communicate among the child vending machines 1 to 4. Do. Thereby, the data collection of the child vending machines 1 to 4 by the parent wireless device 21 can be reliably performed and the efficiency can be improved.

  Hereinafter, the operation of the data collection system using the specific low power radio will be described with reference to FIG. Based on the current position of itself, its own movement (acceleration history, etc.), and the list of child vending machines 1 to 4 owned by itself, it is determined that parent radio device 21 can communicate with child vending machines 1 to 4. Polling only for child vending machines. Thereafter, vending machine data is collected from the child vending machine that has performed the polling, and is recorded in its own memory.

  In addition, the master radio device 21 transmits vending machine data collected from the child vending machines 1 to 4 to the host system in response to a data pulling request from the host system such as the handy terminal 31 or a data center (not shown). Since the above host system exists in a substantially horizontal direction regardless of the current position of the parent radio device 21, the parent radio device 21 is always better than the above host system regardless of its current position. Communication characteristics can be ensured.

  In addition, as a communication means between the parent radio device 21 and the above host system, it is possible to use a 3G line in addition to using the specific low power radio. Further, the child vending machines 1 to 4 can be provided with means (for example, a data update flag) for storing information indicating whether or not data has been updated since the previous data transmission. In this case, at the time of the polling, the master wireless device 21 refers to the above information, and receives data only from the child vending machines that have been updated since the last data transmission among the child vending machines 1 to 4. In this way, data can be collected efficiently. Furthermore, even when there are floors on which a plurality of child vending machines are installed, by assigning a unique communication channel to each child vending machine, the parent radio device 21 obtains the information and the identification name of the communication channel. Referring to the child vending machine that is the target of data collection, a good communication environment can always be secured.

  According to the data collection system using the specific low-power radio according to this embodiment, the parent radio device 21 is a list of its own current position, its own movement (acceleration history, etc.), and its own child vending machines 1 to 4 Refer to Thus, polling is performed only for the child vending machines that are determined to be able to communicate among the child vending machines 1 to 4, and vending machine data is collected from the child vending machines that have performed the polling and recorded in its own memory. For this reason, the master radio device 21 has an effect that it is possible to always ensure an appropriate and good communication environment from the child vending machines arranged on each floor, and to collect the vending machine data efficiently and with high reliability.

  In addition, according to the data collection system using the specific low-power radio according to this embodiment, when there is a floor where a plurality of child vending machines are installed in the building, a unique communication channel is assigned to each child vending machine. Can be configured in the list. As a result, the master wireless device 21 refers to the list to select the child vending machines to be collected, and the selected child vending machine refers to the communication channel information described in the list. Therefore, there is an effect that an appropriate and good communication environment can be secured at all times.

1 Child Vending Machine 2 Child Vending Machine 3 Child Vending Machine 4 Child Vending Machine 10 Building 11 Elevator 20 駕 籠 21 Parent Radio 31 Handy Terminal

Claims (7)

A parent radio that moves vertically in a building having multiple floors;
A slave unit installed on each floor of the building and having a communication function with the master radio unit;
The master radio is
Means for communicating with the handset installed on the floor when the position of the terminal is on any one of the plurality of floors;
Means for collecting information held by the slave by the communication ;
A movement stop determining means for determining whether the self is stopping or moving;
A current position determination means for detecting the current position of the self ,
When the master radio device is stopped, the slave radio device selects the slave device existing on the floor where the slave device is stopped from the slave devices and performs the communication.
A data collection system using a specific low power radio. The movement stop determination means is an altitude atmospheric pressure sensor or an acceleration sensor,
The current position determination means is an altitude atmospheric pressure sensor
The data collection system using the specific low power radio according to claim 1. The master radio unit performs the communication by selecting only the slave units listed in the list held by itself as the slave unit existing on the floor in which the master radio unit is located.
The data collection system using the specific low power radio according to claim 2. The data collection system using the specific low-power radio according to any one of claims 1 to 3, wherein the master radio is installed in an elevator cage attached to the building. The slave is installed in a vending machine, and the vending machine data of the vending machine is transmitted to the parent radio as the information.
5. The data collection system using the specific low power radio according to claim 1. The master radio, the data collection system by specified low power radio claimed in any one of 5, characterized in that the information itself are collected, further comprises means for transmitting the self higher system . Data collection by a specific low-power radio comprising a master radio that moves vertically in a building having a plurality of floors, and a slave unit that is installed on each floor of the building and has a communication function with the master radio A data collection method using a specific low power radio applied to a system,
Determining whether the parent radio is stopping or moving;
The master radio detects its current position;
The master radio device, when its own position is stopped at any one of the plurality of floors, communicating with the slave device installed on the floor;
A method of collecting data by a specific low-power radio, wherein the master radio device collects information held by the slave device by the communication.

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