JP6598567B2 - Communication device, power storage device, identifier management system, and identifier management method - Google Patents

Description

  The present invention includes a communication device that includes a parent device and a plurality of child devices, and performs wireless communication between the parent device and each of the child devices using wireless communication means included in each, a power storage device including the communication device, The present invention relates to an identifier management system including a communication device and an identifier management method using the communication device.

  2. Description of the Related Art Conventionally, there has been developed a communication device that includes a parent device and a plurality of child devices, and performs wireless communication between the parent device and each child device using wireless communication means included in each. For example, by installing a sensing function in each slave unit, the master unit can collect measurement data obtained from a plurality of measurement objects at once. Patent Documents 1 and 2 describe examples applied to a storage battery in which a plurality of cell batteries are connected in series.

Japanese Patent No. 5403191 ([0032], FIG. 1 etc.) JP 2014-096322 A ([0024], FIG. 4 etc.)

  By the way, in this type of communication device, when data is exchanged between the master unit and the slave unit, it is necessary to use a unique identifier preset for the slave unit or an identifier unique to the slave unit. . However, Patent Documents 1 and 2 have no description regarding the handling of this identifier.

  Specifically, it is conceivable that the associating operation between the slave unit and the cell battery is performed before shipping the power storage device, and the power storage device is installed according to the content of this connection. However, in this case, [1] a setting operation for each slave unit, [2] a labeling operation for each cell battery, and [3] a confirmation operation for confirming whether or not the contents match are separately required. Thus, there may be a problem that the number of work man-hours increases significantly.

  The present invention has been made in view of the above-described problems, and does not require a separate setting device for setting the identifier of each child device, and can greatly reduce the setting work man-hours, An object is to provide a power storage device, an identifier management system, and an identifier management method.

  A “communication device” according to the present invention is a device that includes a parent device and a plurality of child devices, and performs wireless communication between the parent device and each of the child devices using wireless communication means that each has, The slave unit further includes a detection unit that detects a trigger by means different from the wireless communication unit, and the specific slave unit that is the slave unit that has detected the trigger by the detection unit is the wireless communication unit. The unique identifier set for the specific child device is received from the parent device, or the identifier unique to the specific child device is transmitted to the parent device.

  As described above, since the specific slave unit that has detected the trigger by the detection unit that is different from the wireless communication unit transmits and receives the identifier using the wireless communication unit, it is only necessary to give the trigger to the slave unit that is the setting target. The identifier setting in is automatically performed. This eliminates the need for a separate setting device for setting the identifier of each child device, and can greatly reduce the setting man-hours.

  Further, the master unit broadcasts a grant signal including the unique identifier to each slave unit, and the specific slave unit detects the grant from the master unit on condition that the trigger is detected. It is preferable to perform an operation of receiving a signal. Thereby, the transmission / reception process between the parent device and the specific child device is appropriately executed without the parent device being aware of the transmission destination of the grant signal.

  Further, the specific slave unit transmits a request signal for requesting transmission of the grant signal to the master unit when the unique identifier has not yet been set, and the master unit receives the request signal. It is preferable to simultaneously transmit the grant signal later. Thereby, the setting operation of the identifier can be started by giving the trigger to the slave unit, and the registration failure of the slave unit can be prevented.

  Each of the slave units further includes a display unit disposed at a position visible from the outside, and the display unit transmits the trigger detection time, the unique identifier reception time, and the unique identifier transmission. It is preferable to change the display form before and after at least one time point among the time point and the setting time point of the unique identifier or the unique identifier. The operator can grasp at a glance the operation state related to the setting of the identifier by visually recognizing the display form in the slave unit.

  Moreover, it is preferable that the said detection means is a non-contact sensor which detects the energy supplied from the exterior of the said subunit | mobile_unit as the said trigger. Thereby, a trigger can be given without touching a subunit | mobile_unit directly.

  Moreover, it is preferable that the said detection means is a magnetic sensor which detects the magnetism supplied from the exterior of the said subunit | mobile_unit as the said trigger. Thereby, a trigger can be given using the magnet which can be obtained comparatively easily.

  Moreover, it is preferable that the said detection means detects any one of supply of electric power and the change of an energization state as said trigger.

  The “power storage device” according to the present invention includes any one of the communication devices described above and a storage battery including one or more cell batteries, and each of the slave units is a measurement indicating a state of the cell battery. It further has a measuring unit for acquiring data, and the master unit receives the measurement data obtained by the measuring unit from each slave unit using the wireless communication means.

  The storage battery is composed of two or more cell batteries, and further includes at least one bus bar connecting the terminals of each cell battery in series, and each of the slave units is disposed in contact with the bus bar. It is preferred that Thereby, measurement data with high reliability can be obtained, and the operator can give a trigger to a desired slave unit without touching or excessively approaching the current bus bar.

  An “identifier management system” according to the present invention includes any one of the communication devices described above and an identifier management device that manages the unique identifier or the unique identifier shared between the communication devices.

  The “identifier management method” according to the present invention is a method using a communication device that includes a parent device and a plurality of child devices, and performs wireless communication between the parent device and each of the child devices using wireless communication means included in each. In the detecting step in which the specific slave unit included in the plurality of slave units detects a trigger by means different from the wireless communication unit, and the specific slave unit uses the wireless communication unit, A transmitting / receiving step of receiving a unique identifier set in the specific slave unit from the master unit or transmitting an identifier unique to the specific slave unit toward the master unit;

  According to the communication device, the power storage device, the identifier management system, and the identifier management method according to the present invention, a separate setting device for setting the identifier of each slave unit is not required, and the setting man-hours are greatly increased. Can be reduced.

It is a schematic block diagram of the electrical storage apparatus incorporating the cell sensor system which concerns on 1st Embodiment. It is an electric block diagram of the cell sensor system concerning a 1st embodiment. It is a communication sequence diagram between one parent machine and a plurality of child machines. It is a flowchart with which operation | movement description of the cell sensor system shown in FIG. 2 is provided. It is a flowchart which concerns on the modification of 1st Embodiment. It is an electrical block diagram of the cell sensor system which concerns on 2nd Embodiment. It is a flowchart with which operation | movement description of the cell sensor system shown in FIG. 6 is provided. It is an electric block diagram of the subunit | mobile_unit which detects the trigger of a different aspect. It is an electric block diagram of the subunit | mobile_unit which detects the trigger of a different aspect.

  Hereinafter, a communication device according to the present invention will be described with reference to the accompanying drawings by giving preferred embodiments in relation to a power storage device, an identifier management system, and an identifier management method.

[First Embodiment]
First, the cell sensor system 24 as a communication apparatus according to the first embodiment will be described with reference to FIGS.

<Configuration of power storage device 10>
FIG. 1 is a schematic configuration diagram of a power storage device 10 incorporating the cell sensor system 24 according to the first embodiment. The power storage device 10 includes a storage battery 12 configured to be able to charge or discharge electric power. The storage battery 12 is constituted by a single cell battery 14 or is a power storage module comprising a plurality (six in this example) of cell batteries 14 arranged in the horizontal direction or the height direction. The cell battery 14 is, for example, a lead battery, a lithium ion battery, a secondary battery including a nickel metal hydride battery, a capacitor including an electric double layer type, or a composite battery combining these.

  A positive terminal 16, a negative terminal 18, and a label 20 are provided on one surface of each cell battery 14. Between the battery cells 14 adjacent in the vertical direction or the horizontal direction, a metal bus bar 22 that electrically connects the positive terminal 16 of one cell battery 14 and the negative terminal 18 of the other cell battery 14 is installed. ing. Each label 20 shows an identification number unique to the cell battery 14. The identification numbers in this example correspond to the connection order of cell batteries 14 (numbers 1 to 6).

  In addition to the storage battery 12, the power storage device 10 includes a cell sensor system 24 (communication device) that measures each cell battery 14, an assembled battery sensor 26 that measures the entire storage battery 12, and the cell sensor system 24 and the assembled battery sensor. 26 further includes a data collector 28 that collects measurement data from 26 and a BMU (Battery Monitoring Unit) 30 as an identifier management device.

  The cell sensor system 24 includes a single parent device 32 and a plurality of child devices 34, and performs wireless communication between the parent device 32 and each child device 34 using wireless communication means included in each. The subunit | mobile_unit 34 which is a rectangular parallelepiped shape of a low profile is arrange | positioned on the bus-bar 22, and is arrange | positioned. The housing 36 of the handset 34 is provided with an LED (Light Emitting Diode) lamp 38 as a display unit at a position where it can be seen from the outside. The magnetism generated by the magnet 40 functions as a trigger Tr that executes “ID automatic setting” described later.

  The BMU 30 acquires the measurement data collected by the data collector 28 and diagnoses the state of the storage battery 12 based on the measurement data. This measurement data is a time series of measurement signals or a calculated value using this time series, and specifically indicates the voltage and current of the entire storage battery 12 and the voltage and temperature of each cell battery 14.

<Electrical Block Diagram of Cell Sensor System 24>
FIG. 2 is an electrical block diagram of the cell sensor system 24 shown in FIG. 1 and shows the overall configuration of the identifier management system 48. The base unit 32 of the cell sensor system 24 includes a base unit side control unit 50, a base unit side memory 52, and a base unit side wireless module 54 (wireless communication means).

  The parent device side control unit 50 is, for example, an MPU (Micro Processing Unit) or a CPU (Central Processing Unit), and is a device that controls each component of the parent device 32. Base unit side control unit 50 executes various functions including base unit side communication control unit 56 and ID information management unit 58.

  The base-side memory 52 is composed of a non-transitory and computer-readable storage medium such as a RAM (Random Access Memory), for example, and the base-side control unit 50 controls each component. Necessary programs and data are stored. In this example, ID information 60 (unique identifier) set in the handset 34 is stored.

  The base unit 32 transmits / receives a message to / from the BMU 30 via the data collector 28. As a result, the base unit 32 can acquire information related to the cell management table 62 stored in the BMU 30. The cell management table 62 is table data indicating a correspondence relationship between the identification number of the cell battery 14 (the number of the label 20) and the ID information 60 of the slave unit 34.

  The base unit side wireless module 54 is a communication module that conforms to the “narrow-range wireless communication” standard including WiFi, or the “short-range wireless communication” standard including ZIGBEE (registered trademark) and BLUETOOTH (registered trademark). is there. Thereby, the main | base station 32 functions as a wireless access point, and can transmit / receive a radio signal with respect to each subunit | mobile_unit 34. FIG.

  On the other hand, each slave unit 34 of the cell sensor system 24 includes a slave unit side control unit 70, a measurement unit 72, a magnetic sensor 74 (detection means), an LED lamp 38, a slave unit side memory 76, an EEPROM (Electrically Erasable Programmable Read-Only). Memory) 78 and a slave unit side wireless module 80 (wireless communication means).

  The subunit | mobile_unit side control part 70 is comprised similarly to the main | base station side control part 50, and is an apparatus which manages control of each component of the subunit | mobile_unit 34. FIG. The subunit | mobile_unit side control part 70 performs various functions including the subunit | mobile_unit side communication control part 82, ID information setting part 84, and the lighting control part 86. FIG.

  The measurement unit 72 measures a physical quantity that correlates with the state of the cell battery 14 and sequentially outputs the obtained measurement data. In the illustrated example, the measurement unit 72 includes a voltage sensor 88 that outputs a detection signal corresponding to the voltage of the cell battery 14 and a temperature sensor 90 that outputs a detection signal corresponding to the temperature of the cell battery 14.

  The magnetic sensor 74 is composed of, for example, a magnetic proximity switch, and detects magnetism supplied from the outside of the slave unit 34. The LED lamp 38 is turned on or off according to a lighting instruction from the lighting control unit 86. The slave unit side memory 76 is configured in the same manner as the master unit side memory 52, and stores a program, data, and the like necessary for the slave unit side control unit 70 to control each component.

  The slave unit side wireless module 80 is a communication module compliant with the standard of “narrow range wireless communication” or “short range wireless communication”, similar to the master unit side wireless module 54. Accordingly, each slave unit 34 functions as a wireless terminal and can transmit and receive a wireless signal to and from the master unit 32.

<Outline of automatic ID setting>
The cell sensor system 24 according to the first embodiment is configured as described above. Next, a schematic operation of the cell sensor system 24 that executes “ID automatic setting” will be described with reference to the sequence diagram of FIG. 3.

  Base unit 32 in which the ID setting mode is “ON” simultaneously transmits a radio signal including ID information 60 (hereinafter referred to as an ID grant signal). When there is no response from each slave unit 34 until Tin elapses from the broadcast time point, the master unit 32 repeats the simultaneous transmission of the ID assignment signal at a predetermined time interval (Tin).

  Each slave unit 34 does not perform an operation of receiving an ID assignment signal in a normal state where the ID setting mode is “OFF”. However, the unset ID slave unit 34 (hereinafter referred to as a specific slave unit 34s) that has detected the trigger Tr starts an ID assignment signal reception operation after shifting the ID setting mode to "ON". At this time, the specific slave unit 34 s changes the display form of the LED lamp 38 from “lit” to “flashing”.

  Thereafter, the specific slave unit 34s receives the ID grant signal from the master unit 32 and sets the ID information 60 included in the ID grant signal to itself. At this time, the specific slave unit 34 s shifts the ID setting mode to “OFF” and changes the display form of the LED lamp 38 from “flashing” to “extinguishing”.

  Thereafter, after receiving a wireless signal (hereinafter, a setting completion signal) from the specific child device 34s with the ID set, the parent device 32 shifts the ID setting mode to “OFF”. In this way, automatic ID setting for one slave unit 34 is completed.

<Detailed Operation of Cell Sensor System 24>
Next, the detailed operation of the cell sensor system 24 that executes “ID automatic setting” will be described with reference to the flowchart of FIG. 4. Here, it should be noted that the plurality of cell batteries 14 and the cell sensor system 24 are independently inspected and shipped, and the setting operation for associating the cell batteries 14 and the slave units 34 is not performed in advance.

  In step S <b> 1, the worker installs the handset 34 by the number of cell batteries 14 constituting the storage battery 12. Specifically, the worker sequentially executes [1] cell battery 14 installation work, [2] bus bar 22 installation work, and [3] handset 34 placement work.

  Thereby, the storage battery 12 composed of one or two or more cell batteries 14, the cell sensor system 24 composed of the master unit 32 and the plurality of slave units 34, the positive terminal 16 and the negative terminal 18 of each cell battery 14. Are provided with at least one bus bar 22 connected in series. In this initial state, the LED lamps 38 of all the slave units 34 remain lit.

  Here, the roles of the parent device 32 and the child device 34 may be given by transmitting registration commands from an external device including the BMU 30 to a plurality of wireless devices. For example, the wireless device is configured to be able to determine whether it functions as the parent device 32 or the child device 34 by referring to the value of the short address included in the registration command. In a specific example, one wireless device functions as the parent device 32 after receiving a registration command including a PAN ID (Personal Area Network Identifier) and a short address “0”. Further, another wireless device functions as the slave device 34 after receiving a registration command including a short address other than “0”. Thereby, the main | base station 32 and the subunit | mobile_unit 34 can be comprised with the same hardware and firmware.

  In step S2, the BMU 30 and the base unit 32 shift the ID setting mode from “OFF” to “ON”. Specifically, the BMU 30 selects and determines one ID information 60 that has not yet been assigned with reference to the cell management table 62 after the ID setting mode is shifted to “ON” according to the operation by the operator. . For example, the ID information 60 matches the identification number of the cell battery 14 indicated on the label 20.

  Thereafter, the base unit 32 receives a message (hereinafter referred to as a setting request signal) from the BMU 30 including the ID information 60, and temporarily stores the ID information 60 in the base unit side memory 52. Then, the ID information management unit 58 shifts the ID setting mode from “OFF” to “ON”.

  In step S <b> 3, the base-side communication control unit 56 executes communication control of the base-side wireless module 54, so that the ID grant signal including the ID information 60 acquired in step S <b> 2 is directed toward the periphery of the storage battery 12. Send it. For example, a short address other than PAN ID (Personal Area Network Identifier) and “0” is transmitted.

  While the broadcast operation is repeated, the operator does not set the ID and applies the magnet 40 to the housing 36 of the slave unit 34 corresponding to the ID information 60 (that is, the identification number of the cell battery 14). Are brought into contact with or close to each other. Here, a non-contact sensor that detects energy supplied from the outside of the slave unit 34 may be used as the detection means of the trigger Tr. Thereby, trigger Tr can be given, without touching the subunit | mobile_unit 34 directly. Specifically, by providing the magnetic sensor 74 for detecting magnetism, the trigger Tr can be applied using the magnet 40 that is relatively easily available.

  In particular, when each slave unit 34 is arranged in contact with the bus bar 22, it is preferable to use this non-contact sensor. This is because highly reliable measurement data can be obtained, and the operator can give a trigger Tr to a desired slave unit 34 without touching or excessively approaching the current bus bar 22.

  In step S <b> 4, each slave unit 34 determines whether or not the trigger Tr is detected by the magnetic sensor 74. When it is determined that there is no detection (step S4: NO), the process remains in step S4 until there is a detection. On the other hand, when it is determined that the trigger Tr has been detected (step S4: YES), the process proceeds to the next step (S5).

  In step S5, the ID information setting unit 84 of the specific slave unit 34s shifts the ID setting mode from “OFF” to “ON”. Thereafter, the lighting control unit 86 executes display control of the LED lamp 38 to change the display form from “lighting” to “flashing”.

  In step S6, the handset side communication control unit 82 of the specific handset 34s executes the communication control of the handset side wireless module 80 to receive the ID assignment signal issued in step S3. Specifically, the slave unit side radio module 80 receives a radio signal (that is, an ID assignment signal) that matches the frequency channel on the transmission side by sequentially changing the frequency channel on the reception side at predetermined intervals.

  As described above, the master unit 32 transmits an ID assignment signal including the ID information 60 to each slave unit 34 at the same time, and the specific slave unit 34s detects that the trigger Tr has been detected from the master unit 32. The operation of receiving the ID assignment signal may be executed. Thereby, the transmission / reception process between the parent device 32 and the specific child device 34s is appropriately executed without the parent device 32 being aware of the transmission destination of the ID assignment signal.

  In step S7, the ID information setting unit 84 of the specific slave unit 34s acquires the ID information 60 included in the ID assignment signal received in step S6, and writes the ID information 60 in the EEPROM 78. Thereby, the ID setting of the specific slave unit 34s is completed.

  In step S8, the handset side communication control unit 82 of the specific handset 34s executes the communication control of the handset side wireless module 80, thereby sending a setting completion signal for notifying that the setting is completed in step S7. Transmit to the machine 32. By receiving the setting completion signal, the parent device 32 can identify the setting target (specific child device 34s) of the ID information 60.

  In step S9, the BMU 30 and the parent device 32 end the mode by shifting the ID setting mode from “ON” to “OFF”. The BMU 30 updates the cell management table 62 to manage the ID information 60 so as to maintain uniqueness inside the power storage device 10.

  Hereinafter, for example, when the ID information 60 transmitted from the base unit side communication control unit 56 is in accordance with the connection order of the cell batteries 14, the worker performs the above operation on the remaining slave units 34 according to the connection order of the cell batteries 14. Repeat the series of operations. Specifically, the operator moves the magnet 40 close to the slave unit 34 until [1] the LED lamp 38 changes from “lighting” to “flashing”, and [2] after the LED lamp 38 changes to “flashing”. The magnet 40 is separated, and [3] Waits until the LED lamp 38 changes from “flashing” to “off”.

  In this way, the LED lamp 38 is disposed at a position that can be visually recognized from the outside, and at least one time point among the detection time point of the trigger Tr, the reception time point of the ID information 60, and the setting time point of the ID information 60 The display form may be different before and after. The operator can grasp at a glance the operation state related to the setting of the ID information 60 by visually recognizing the display form in the slave unit 34.

<Effects of First Embodiment>
As described above, the cell sensor system 24 includes the parent device 32 and the plurality of child devices 34, and each of the parent devices 32 using the wireless communication means (the parent device-side wireless module 54 and the child device-side wireless module 80) included therein. Is a communication device that performs wireless communication between each slave unit 34. Each slave unit 34 further includes detection means (magnetic sensor 74) for detecting the trigger Tr by means different from the slave unit side wireless module 80, and the specific slave unit that has detected the trigger Tr by the magnetic sensor 74. 34s receives the unique identifier (ID information 60) set to the specific slave unit 34s from the master unit 32 using the slave unit side wireless module 80.

  The power storage device 10 includes the storage battery 12 including the cell sensor system 24 and one or more cell batteries 14. Each slave unit 34 further includes a measurement unit 72 that acquires measurement data indicating the state of the cell battery 14, and the master unit 32 is obtained by the measurement unit 72 using the master unit side wireless module 54. The measured data is received from each slave unit 34.

  The identifier management system 48 includes the cell sensor system 24 described above and a BMU 30 that manages ID information 60 shared between the cell sensor systems 24. The identifier management method using the cell sensor system 24 includes a detection step (S4) in which the specific slave unit 34s included in the plurality of slave units 34 detects the trigger Tr, and the specific slave unit 34s is set as the specific slave unit 34s. Receiving step (S6) for receiving the unique ID information 60 from the master unit 32.

  Since it comprised in this way, the setting of ID information 60 in the cell sensor system 24 is automatically performed only by giving the trigger Tr to the subunit | mobile_unit 34 which is a setting object. This eliminates the need for a separate setting device for setting the ID information 60 of each child device 34, and can greatly reduce the setting man-hours.

<Modification>
Next, a modified example of the detailed operation of the cell sensor system 24 that executes “ID automatic setting” will be described with reference to the flowchart of FIG. Note that this modification is different from the first embodiment in the procedure for shifting the ID setting mode.

  In step S <b> 1, the worker installs the handset 34 by the number of cell batteries 14 constituting the storage battery 12. Since it is the same as 1st Embodiment, description is abbreviate | omitted.

  In step S <b> 11, each slave unit 34 determines whether or not the trigger Tr is detected by the magnetic sensor 74. If it is determined that there is no detection (step S11: NO), the process stays at step S11 until there is a detection. On the other hand, when it is determined that the trigger Tr has been detected (step S11: YES), the process proceeds to the next step (S12).

  In step S12, the ID information setting unit 84 of the specific child device 34s shifts the ID setting mode from “OFF” to “ON”. Thereafter, the lighting control unit 86 executes display control of the LED lamp 38 to change the display form from “lighting” to “flashing”.

  In step S13, the handset side communication control unit 82 of the specific handset 34s executes a communication control of the handset side wireless module 80, thereby requesting the addition of the ID information 60 (hereinafter, an ID request). Signal) to the base unit 32.

  In step S14, the BMU 30 and the parent device 32 shift the ID setting mode from “OFF” to “ON”. Specifically, after receiving the ID request signal transmitted in step S <b> 13, base unit 32 shifts the ID setting mode to “ON” and transmits the ID request signal to BMU 30. The BMU 30 shifts the ID setting mode to “ON” in response to the reception of the ID request signal, and then refers to the cell management table 62 to select and determine one ID information 60 that has not yet been assigned.

  In step S <b> 15, the base unit 32 receives a message (hereinafter, a setting request signal) from the BMU 30 including the ID information 60, and temporarily stores the ID information 60 in the base unit side memory 52. Thereafter, the automatic ID setting by the cell sensor system 24 is completed by executing steps S6 to S9 in the same procedure as in the first embodiment. Note that the specific handset 34s in step S13 is the handset 34 corresponding to the ID information 60 (that is, the identification number of the cell battery 14).

  As described above, when the ID information 60 is not yet set, the specific slave unit 34s transmits an ID request signal for requesting transmission of an ID grant signal to the master unit 32 (S13). The ID grant signal may be transmitted simultaneously after receiving the ID request signal (S15). Thereby, it becomes possible to start the setting operation of the ID information 60 by giving a trigger to the child device 34, and the operator can visually check the display form of the LED lamp 38, thereby preventing registration failure of the child device 34.

[Second Embodiment]
Next, the cell sensor system 100 as a communication device according to the second embodiment will be described with reference to FIGS. 6 and 7. The configuration of the power storage device 10 is basically the same as that shown in FIG. 1 except for the internal configuration of the cell sensor system, and thus the description thereof is omitted.

<Electrical Block Diagram of Cell Sensor System 100>
FIG. 6 is an electrical block diagram of the cell sensor system 100 according to the second embodiment, and shows the overall configuration of the identifier management system 98. Similar to the first embodiment, the cell sensor system 100 includes a single parent device 102 and a plurality of child devices 104, and wirelessly communicates between the parent device 102 and each child device 104 using wireless communication means included in each cell device. Communicate.

  Similar to the first embodiment (parent device 32 in FIG. 2), the parent device 102 includes a parent device-side control unit 50, a parent device-side memory 52, and a parent device-side wireless module 54. However, [1] the function of the ID information management unit 106 by the base unit side control unit 50 and [2] the stored contents (cell management table 108) of the base unit side memory 52 are different.

  Each slave unit 104 includes a slave unit side control unit 70, a measurement unit 72, a magnetic sensor 74, an LED lamp 38, a slave unit side memory 76, an EEPROM 78, and the like, as in the first embodiment (the slave unit 34 in FIG. 2). The mobile unit side wireless module 80 is included. However, [1] the function of the ID information acquisition unit 110 by the slave unit side control unit 70 and [2] the stored contents of the EEPROM 78 (ID information 112) are different.

  Here, the ID information 112 is an identifier unique to the child device 104, for example, a manufacturing number or a MAC (Media Access Control) address. The cell management table 108 is table data indicating the correspondence between the identification information of the cell battery 14 and the ID information 112 of the child device 104.

<Operation of Cell Sensor System 100>
Next, the operation of the cell sensor system 100 will be described with reference to the flowchart of FIG.

  In step S <b> 21, the worker installs the handset 34 by the number of cell batteries 14 constituting the storage battery 12. Since it is the same as 1st Embodiment (step S1), description is abbreviate | omitted.

  In step S22, the BMU 30 and the parent device 32 shift the ID setting mode from “OFF” to “ON”. Here, note that, unlike the first embodiment, ID information is not shared between the BMU 30 and the parent device 32.

  In step S <b> 23, the parent device side communication control unit 56 executes communication control of the parent device side wireless module 54, thereby transmitting a wireless signal (hereinafter referred to as ID request signal) requesting transmission of the ID information 112 to the periphery of the storage battery 12. Send to all at once.

  In step S <b> 24, each child device 104 determines whether or not the trigger Tr is detected by the magnetic sensor 74. If it is determined that there is no detection (step S24: NO), the process stays at step S24 until there is a detection. On the other hand, when it is determined that the trigger Tr has been detected (step S24: YES), the process proceeds to the next step (S25).

  In step S25, the ID information acquisition unit 110 of the specific slave unit 104s shifts the ID setting mode from “OFF” to “ON”. Thereafter, the lighting control unit 86 executes display control of the LED lamp 38 to change the display form from “lighting” to “flashing”.

  In step S26, the slave unit side communication control unit 82 of the specific slave unit 104s executes the communication control of the slave unit side wireless module 80, thereby receiving the ID request signal issued in step S23. Thereafter, the ID information acquisition unit 110 acquires the written ID information 112 by reading from the EEPROM 78.

  In step S27, the handset side communication control unit 82 executes the communication control of the handset side wireless module 80, so that the wireless signal including the ID information 112 acquired in step S26 (hereinafter referred to as an ID notification signal) is sent to the parent unit. It transmits to the machine 102.

  In step S28, the master unit 102 can identify the setting target (specific slave unit 104s) of the ID information 112 by receiving this ID notification signal. The ID information management unit 106 of the parent device 102 manages the ID information 112 so that the ID information 112 is kept unique within the power storage device 10 by adding and setting the ID information 112 to the cell management table 108.

  In step S29, the BMU 30, the parent device 102, and the specific child device 104s end the mode by shifting the ID setting mode from “ON” to “OFF”. Note that the base unit 102 shares the correspondence between the cell battery 14 and the ID information 112 by transmitting the updated cell management table 108 to the BMU 30 as necessary.

  Hereinafter, the worker repeats the above-described series of operations for the remaining child devices 34 in accordance with, for example, the connection order of the cell batteries 14. Specifically, the operator moves the magnet 40 close to the slave unit 34 until [1] the LED lamp 38 changes from “lighting” to “flashing”, and [2] after the LED lamp 38 changes to “flashing”. The magnet 40 is separated, and [3] Waits until the LED lamp 38 changes from “flashing” to “off”.

  As described above, the LED lamp 38 is disposed at a position that can be visually recognized from the outside, and at least one time point among the detection time point of the trigger Tr, the transmission time point of the ID information 112, and the setting time point of the ID information 112. The display form may be different before and after. The operator can grasp at a glance the operation state related to the setting of the ID information 112 by visually recognizing the display form on the slave unit 104.

<Effects of Second Embodiment>
As described above, the cell sensor system 100 is a device that includes the parent device 102 and the plurality of child devices 104 and performs wireless communication between the parent device 102 and each child device 104 using the wireless communication means that each has. . The specific child device 104 s that has detected the trigger Tr by the magnetic sensor 74 transmits an identifier (ID information 112) unique to the specific child device 104 s toward the parent device 102 using the child device side wireless module 80.

  The power storage device 10 includes the above-described cell sensor system 100 and a storage battery 12 composed of one or more cell batteries 14. Each slave unit 104 further includes a measurement unit 72 that acquires measurement data indicating the state of the cell battery 14, and the master unit 102 is obtained by the measurement unit 72 using the master unit side wireless module 54. The measured data is received from each slave unit 104.

  The identifier management system 98 includes the cell sensor system 100 described above and a BMU 30 that manages ID information 112 shared between the cell sensor systems 100. The identifier management method using the cell sensor system 100 includes a detection step (S24) in which the specific child device 104s included in the plurality of child devices 104 detects the trigger Tr, and the specific child device 104s includes the unique ID information 112. A transmission step (S27) for transmission toward the base unit 102 is provided.

  As a result, as in the case of the first embodiment, a separate setting device for setting the ID information 112 of each child device 104 becomes unnecessary, and the setting work man-hours can be greatly reduced.

[Other examples of trigger Tr]
Incidentally, in the first and second embodiments, the specific example in which the magnetic energy supplied from the outside of the slave units 34 and 104 is used as the trigger Tr has been described, but the present invention is not limited to this mode. Another example of the trigger Tr will be described with reference to FIGS.

  FIG. 8 is an electric block diagram of the slave unit 120 that detects the trigger Tr of a different mode. The subunit | mobile_unit side control part 70 further functions as the electric power feeding state detection part 122 which detects the presence or absence of the supply of the electric power from the outside other than the subunit | mobile_unit side communication control part 82, ID information setting part 84, and the lighting control part 86.

  The housing 36 of the slave unit 120 is provided with a receiving part 128 that receives the connection part 126 on one end side of the power line 124. By inserting the connecting portion 126 in the A direction and engaging the receiving portion 128, the power from the cell battery 14 is supplied to the slave unit 120 via the power line 124. Thereafter, the power supply state detection unit 122 detects the supply of power as a trigger Tr, so that the slave unit 120 starts an operation for setting an ID as the specific slave unit 120s.

  FIG. 9 is an electrical block diagram of the slave unit 140 that detects the trigger Tr of a different mode. The subunit | mobile_unit side control part 70 further functions as the electricity supply state detection part 142 which detects the presence or absence of electricity supply in a specific electric circuit other than the subunit | mobile_unit side communication control part 82, ID information setting part 84, and the lighting control part 86.

  An insulating sheet 146 made of an insulating material is inserted in the slit 144 provided in the housing 36. In the initial state, the end portion of the insulating sheet 146 is sandwiched between the switches 148 constituting a part of the electric circuit. By pulling the insulating sheet 146 in the B direction, the switch 148 moves in the C direction, and the switch 148 changes to the “on state” (energized state). Thereafter, when the energization state detection unit 142 detects a change in the energization state as a trigger Tr, the slave unit 140 starts an operation for setting an ID as the specific slave unit 140s.

  As described above, any one of [1] power supply or [2] change in energization state (from energization to energization or from energization to deenergization) may be detected as the trigger Tr. The type of energy to be detected is not limited to electromagnetic energy, and may be, for example, optical, thermal, or dynamic energy.

[Remarks]
In addition, this invention is not limited to embodiment mentioned above, Of course, it can change freely in the range which does not deviate from the main point of this invention.

  In 1st and 2nd embodiment, although the example of the communication apparatus applied to the sensing of the storage battery 12 was shown, it is not restricted to this about the object or objective to which the said apparatus is applied.

DESCRIPTION OF SYMBOLS 10 ... Power storage device 12 ... Storage battery 14 ... Cell battery 22 ... Bus bar 24, 100 ... Cell sensor system (communication device)
26. Battery sensor 28. Data collector 30. BMU (identifier monitoring device) 32, 102. ... LED lamp (display)
40 Magnet 48, 98 Identifier management system 50 Master unit control unit 52 Master unit memory 54 Master unit wireless module (wireless communication means)
56 ... Master unit side communication control unit 58, 106 ID information management unit 60 ... ID information (unique identifier) 62, 108 ... Cell management table 70 ... Slave unit side control unit 72 ... Measuring unit 74 ... Magnetic sensor (detection means) 76 ... Slave unit side memory 80 ... Slave unit side wireless module (wireless communication means)
82 ... Slave unit side communication control section 84 ... ID information setting section 86 ... Lighting control section 110 ... ID information acquisition section 112 ... ID information (unique identifier) 122 ... Power supply state detection section (detection means)
124 ··· connection portion 126 ··· reception portion 128 ··· power line 142 ··· energization state detection portion (detection means)
144 ... slit 146 ... insulating sheet 148 ... switch Tr ... trigger

Claims (11)

A communication device that includes a parent device and a plurality of child devices, and performs wireless communication between the parent device and each of the child devices using a wireless communication means that each has,
Each of the slave units further includes detection means for detecting a trigger by means different from the wireless communication means,
The specific slave unit that is the slave unit that has detected the trigger by the detection unit after the master unit has simultaneously transmitted a grant signal including a unique identifier set in the slave unit, using the wireless communication unit, The trigger is detected by the detecting means after receiving a unique identifier set for the specific slave unit from the master unit or when the master unit broadcasts a request signal for requesting a unique identifier to the slave unit. The specific slave unit that is the slave unit receives the request signal and transmits an identifier unique to the specific slave unit to the master unit using the wireless communication unit. . The specific slave unit, when the unique identifier is not yet set, transmits a request signal for requesting transmission of the grant signal to the master unit,
The communication apparatus according to claim 1 , wherein the master unit broadcasts the grant signal after receiving the request signal. Each of the slave units further includes a display unit arranged at a position visible from the outside,
The display unit extends around at least one of a detection time of the trigger, a reception time of the unique identifier, a transmission time of the unique identifier, and a setting time of the unique identifier or the unique identifier. the communication apparatus according to claim 1 or 2, characterized in that different display forms. A communication device that includes a parent device and a plurality of child devices, and performs wireless communication between the parent device and each of the child devices using a wireless communication means that each has,
Each of the slave units further includes detection means for detecting a trigger by means different from the wireless communication means,
The specific slave unit that is the slave unit that has detected the trigger by the detection unit receives a unique identifier set in the specific slave unit from the master unit using the wireless communication unit, or the specific unit A unique identifier of the machine is sent to the parent machine,
It said detecting means, communication device you being a non-contact sensor that detects the energy supplied from the outside of the child machine as the trigger. The communication device according to claim 4 , wherein the detection unit is a magnetic sensor that detects, as the trigger, magnetism supplied from the outside of the slave unit. The communication device according to claim 4 , wherein the detection unit detects any one of a supply of electric power and a change in an energized state as the trigger. The communication device according to any one of claims 1 to 6 ,
A storage battery composed of one or more cell batteries;
With
Each of the slave units further includes a measurement unit that acquires measurement data indicating the state of the cell battery,
The power storage device, wherein the master unit receives the measurement data obtained by the measurement unit from each slave unit using the wireless communication unit. The storage battery is composed of two or more cell batteries,
At least one bus bar connecting the terminals of each of the cell batteries in series;
The power storage device according to claim 7 , wherein each of the slave units is disposed in contact with the bus bar. The communication device according to any one of claims 1 to 6 ,
An identifier management system comprising: an identifier management device that manages the unique identifier or the unique identifier shared between the communication devices. An identifier management method using a communication device that includes a parent device and a plurality of child devices, and performs wireless communication between the parent device and each of the child devices using wireless communication means included in each of the child devices,
A detecting step in which a specific slave unit included in the plurality of slave units detects a trigger by means different from the wireless communication unit;
After the master unit simultaneously transmits a grant signal including a unique identifier set in the slave unit, the specific slave unit that is the slave unit that has detected the trigger uses the wireless communication unit to specify the specific The slave unit that has received the unique identifier set in the slave unit from the master unit or that has transmitted the request signal for requesting a unique identifier to the slave unit and then has detected the trigger A specific slave unit includes: a transmission / reception step of receiving the request signal and transmitting an identifier unique to the specific slave unit toward the master unit using the wireless communication unit. Method. An identifier management method using a communication device that includes a parent device and a plurality of child devices, and performs wireless communication between the parent device and each of the child devices using wireless communication means included in each of the child devices,
A detecting step in which a specific slave unit included in the plurality of slave units detects a trigger by means different from the wireless communication unit;
The specific child device receives a unique identifier set in the specific child device from the parent device using the wireless communication means, or transmits an identifier unique to the specific child device to the parent device. Send and receive steps and
With
The detecting step includes a step in which the specific child device detects energy supplied from outside the specific child device as the trigger.
An identifier management method characterized by the above.