JP6621004B2 - Distribution board cabinet, distribution board, distribution board system, distribution board production method - Google Patents

Description

  The present invention generally relates to a distribution board cabinet, a distribution board, a distribution board system, a distribution board production method, and more particularly a distribution board cabinet comprising a space in which a main breaker and a plurality of branch breakers are arranged. , Distribution board, distribution board system, and distribution board production method.

  2. Description of the Related Art Conventionally, a distribution board having a configuration in which internal devices (electrical devices) such as a main breaker and a branch breaker are arranged on a base and the internal devices are connected by a conductive bar or the like is known (see, for example, Patent Document 1) ). Patent Document 1 describes a configuration for securing a space for installing additional equipment in a distribution board without changing the size of the cabinet and without reducing the number of branch circuits.

  That is, the distribution board described in Patent Document 1 changes the connection position of the main bar to the branch bar and the position of the connection screw for connection, and the connection position from the branch bar to the feed terminal, and the connection By changing the position of the connection screw for, additional equipment mounting space is secured.

JP 2007-295667 A

  However, in recent years, with the spread of HEMS (Home Energy Management System), smart meters, solar power generation devices, and the like, higher expandability is required. When the expandability is enhanced, it becomes difficult to accommodate the additional device only with a space that can be secured by changing the arrangement as described in Patent Document 1. In particular, when measuring the value of the current flowing through each of the plurality of branch circuits, it is necessary to attach a current transformer (CT) to each branch circuit, and it is difficult to store all the current transformers in the cabinet. In this case, for example, it is necessary to take measures such as arranging additional panels for storing additional devices side by side on the distribution board.

  As a result, it is necessary to secure a space for installing additional panels around the distribution board. By not changing the size of the distribution board cabinet, the installation space is expanded. There is a possibility that.

  The present invention has been made in view of the above reasons, and provides a distribution panel cabinet, distribution panel, distribution panel system, and distribution panel production method that are highly expandable in a limited installation space. With the goal.

The cabinet of the distribution board according to the first embodiment is electrically connected to a first space in which a main breaker electrically connected to the conductive bar is disposed, and a plurality of connection terminals provided on the conductive bar. A second space in which a plurality of branch breakers for branching electric power from the conductive bar to the plurality of electric paths via the plurality of connection terminals are disposed, and the plurality of connection terminals are attached to the conductive bar so as to penetrate therethrough A third space in which a sensor block for measuring a value of a current flowing through each of the plurality of connection terminals is disposed, and is electrically connected to the first communication adapter and the sensor block. A fourth space in which a measurement unit that acquires an electric signal according to a value is arranged, and the first communication adapter includes a first controller that controls the device, Communicating with a main controller comprising at least one of a second controller for controlling the device by communication via a network, the measuring unit is electrically connected to the secondary side of the main breaker via a switch , you characterized in that power is supplied via the switch.

In the cabinet of the distribution board according to the second form, in the first form, the second space is provided on the right side of the first space, and the fourth space is on the left side of the first space; It is provided at any position on the lower side of the first space, between the first space and the second space, and on the right side of the second space.

The cabinet of the electricity distribution panel which concerns on a 3rd form is provided with the 5th space where the said 1st communication adapter is arrange | positioned in the 1st or 2nd form.

The cabinet of the distribution board concerning the 4th form is the 1st or 2nd form. The 1st control part which controls equipment, and the 2nd control part which controls equipment by communication via a network at least A sixth space is provided in which a control unit having one side is arranged.

The cabinet of the electricity distribution panel which concerns on a 5th form is provided with the 7th space where the 2nd communication adapter which communicates with the electric power meter which has a communication function in the 3rd form.

The cabinet of the distribution board which concerns on a 6th form communicates with at least 1 of the power converter device electrically connected to a solar power generation device, an electrical storage apparatus, and an electric vehicle in the form in any one of the 1st- 5th. An eighth space is provided in which the third communication adapter is arranged.

The cabinet of the electricity distribution panel which concerns on a 7th form is equipped with the 9th space by which the 4th communication adapter which communicates with at least one of a gas meter and a water meter is arrange | positioned in the form in any one of the 1st- 6th .

A cabinet of a distribution board according to an eighth aspect is the first distributed power source according to any one of the first to seventh aspects, which is electrically connected to the conductive bar and does not allow reverse power flow to the power system. The 10th space where the secondary interconnection breaker electrically connected to is arranged.

The cabinet of the distribution board according to the ninth mode is electrically connected to the main breaker on the side opposite to the second space with respect to the first space in any one of the first to eighth modes. An eleventh space in which at least one of the primary feed terminal block and the primary interconnection breaker that is electrically connected to the second distributed power source that is allowed to flow backward to the power system is disposed.

The distribution board according to the tenth embodiment is attached to the cabinet of the distribution board according to any one of the first to ninth embodiments, the main breaker attached to the first space, and the second space. And a plurality of branch breakers.

The electricity distribution board which concerns on an 11th form is provided with the said sensor block attached to the said 3rd space in a 10th form.

In the distribution board according to a twelfth aspect, in the eleventh aspect, the sensor block is formed with a through hole through which the plurality of connection terminals pass, and the through hole is the sensor for the third space. Open in the block mounting direction.

A distribution board according to a thirteenth aspect includes a cabinet of the distribution board according to the third aspect, the main breaker attached to the first space, and the plurality of branch breakers attached to the second space. And the sensor block attached to the third space, the measurement unit attached to the fourth space, and the first communication adapter attached to the fifth space.

A distribution board according to a fourteenth aspect includes a distribution board cabinet according to a fourth aspect, the main breaker attached to the first space, and the plurality of branch breakers attached to the second space. And the sensor block attached to the third space, the measurement unit attached to the fourth space, and the control unit attached to the sixth space.

In the power distribution board according to a fifteenth aspect, in the thirteenth aspect, the measurement unit transmits measurement data to the first communication adapter, and the main controller that communicates with the first communication adapter includes the measurement data. Is used to control the device.

In a distribution board according to a sixteenth aspect, in the fourteenth aspect, the measurement unit transmits measurement data to the control unit, and the control unit controls the device using the measurement data. It is configured.

A distribution board according to a seventeenth aspect includes a cabinet of a distribution board according to a fifth aspect, the main breaker attached to the first space, and the plurality of branch breakers attached to the second space. And the sensor block attached to the third space, the measurement unit attached to the fourth space, the first communication adapter attached to the fifth space, and the seventh space. The second communication adapter.

According to an eighteenth aspect of the distribution board, in the seventeenth aspect, the second communication adapter transmits a measured value received from the power meter to the first communication adapter and communicates with the first communication adapter. The main controller is configured to control the device using the measurement value.

A distribution board according to a nineteenth aspect includes the distribution board cabinet according to the sixth aspect, and the third communication adapter attached to the eighth space.

A distribution board according to a twentieth aspect includes the distribution board cabinet according to the seventh aspect, and the fourth communication adapter attached to the ninth space.

Distribution board according to a twenty-first embodiment includes a distribution board cabinet according to the eighth embodiment is characterized in that it comprises a said secondary interconnection breaker attached to the 10 space.

A distribution board according to a twenty-second aspect includes the distribution board cabinet according to the ninth aspect and the primary interconnection breaker attached to the eleventh space.

A distribution board system according to a twenty- third aspect is electrically connected to the distribution board according to any of the tenth to twenty- second aspects and the distribution board, and power supply from the power system is stopped. And a self-supporting distribution board that is fed from a distributed power supply in a state.

The production method of the distribution board according to the twenty-fourth aspect is characterized in that the main breaker electrically connected to the conductive bar and the plurality of connection terminals provided on the conductive bar are electrically connected to the conductive bar. A function is added to a distribution board in which at least a fourth space is provided as an empty space in a cabinet to which a plurality of branch breakers for branching power to a plurality of electric circuits via the plurality of connection terminals is attached. A distribution board production method for a sensor, wherein the sensor is attached to the conductive bar so that the plurality of connection terminals penetrate the cabinet, and measures a value of a current flowing through each of the plurality of connection terminals A third space for mounting the block is provided, and the fourth space is electrically connected to the first communication adapter and the sensor block, and the sensor block is connected to the fourth space. Mounting a measurement unit that acquires an electrical signal corresponding to the current value from the first communication adapter, and the first communication adapter controls the device by communication with a first controller that controls the device. Communicating with a main controller comprising at least one of the second controller to perform, the measurement unit is electrically connected to the secondary side of the main breaker via a switch, and power is supplied via the switch It is the fact that to said.

Panelboard method of producing according to the 25 embodiment, in the 24th embodiment, the cabinet has a fifth space is further provided as a free space, in the fifth space, attaching said first communication adapter Process.

According to a twenty-sixth aspect of the power distribution board production method, in the twenty-fourth aspect, the cabinet is further provided with a sixth space as an empty space, and the sixth space is used to control the device. A step of attaching a control unit having at least one of a control unit and a second control unit that controls the device by communication via a network.

The method of producing the distribution board according to the 27th embodiment, in any form of a 24 to 26, and seventh space is further provided as an empty space in the cabinet, in the seventh space, the communication function Attaching a second communication adapter that communicates with the power meter.

The method of producing the distribution board according to the 28th embodiment, in any form of a 24 to 27, the cabinet is the eighth space is further provided as a free space, in the eighth space, sunlight A step of attaching a third communication adapter that communicates with at least one of the power conversion device electrically connected to the power generation device, the power storage device, and the electric vehicle.

Panelboard method of producing according to the 29th embodiment, in any form of a 24 to 28, the cabinet is ninth space is further provided as a free space, in the ninth space, and gas meter A step of attaching a fourth communication adapter that communicates with at least one of the water meters.

In the distribution board production method according to a thirtieth aspect, in any one of the twenty- fourth to twenty- ninth aspects, the cabinet is further provided with a tenth space as an empty space, and the conductive space is provided in the tenth space. A step of attaching a secondary interconnection breaker that is electrically connected to the bar and is electrically connected to a first distributed power source that is not allowed to flow backward to the power system.

Panelboard method of producing according to the 31 embodiment, in any form of a 24 to 30, the cabinet has a 11 space is further provided as a free space, in the eleventh space, the trunk And a step of attaching at least one of a primary feed terminal block electrically connected to the breaker and a primary interconnection breaker electrically connected to a second distributed power source that is allowed to reversely flow to the power system. .

  According to the present invention, a third space in which a sensor block for measuring a value of a current flowing through each of the plurality of connection terminals is disposed in the cabinet of the distribution board is attached to the conductive bar so that the plurality of connection terminals penetrates. I have. Therefore, a sensor block can be added to the third space later if necessary, and a highly expandable distribution board cabinet, distribution board, distribution board system, distribution board in a limited installation space. There is an advantage that a production method of electrical boards can be provided.

It is a block diagram which shows the structure of the electricity distribution panel which concerns on Embodiment 1. FIG. It is a front view which shows the structure of the electricity distribution panel which concerns on Embodiment 1. FIG. It is a front view which shows the state in which the internal unit of the electricity distribution panel which concerns on Embodiment 1 was attached. 3 is an exploded perspective view of a main part of the distribution board according to Embodiment 1. FIG. It is a perspective view of the principal part of the electricity distribution panel which concerns on Embodiment 1. FIG. It is a schematic perspective view which shows the sensor block which concerns on the modification of Embodiment 1. FIG. 10 is an exploded perspective view of a main part of another modified example of the first embodiment. It is a schematic block diagram which shows the structure of the electricity distribution panel system which concerns on Embodiment 2. FIG.

(Embodiment 1)
As shown in FIG. 1, the cabinet 11 of the distribution board 1 according to the present embodiment includes a first space 101 in which the main breaker 2 is arranged and a second space 102 in which a plurality of branch breakers 3, 3. And. Further, the cabinet 11 of the distribution board 1 includes a third space 103 in which the sensor block 4 is disposed.

  The main breaker 2 is electrically connected to the conductive bars 22, 23, 24 (see FIG. 4). The plurality of branch breakers 3, 3... Are electrically connected to the plurality of connection terminals 25, 25... (See FIG. 4) provided on the conductive bars 22, 23, 24. The power is branched to a plurality of electric circuits (not shown) via a plurality of connection terminals 25, 25. The sensor block 4 is attached to the conductive bars 22, 23, 24 so that the plurality of connection terminals 25, 25... Pass through, and measures the value of the current flowing through each of the plurality of connection terminals 25, 25.

  Here, the cabinet 11 of the distribution board 1 is electrically connected to the sensor block 4, and has a fourth space 104 in which the measurement unit 5 that acquires an electrical signal corresponding to the value of the current from the sensor block 4 is arranged. It is preferable to provide.

  In this case, the second space 102 is provided on the right side of the first space 101 as an example. The fourth space 104 is provided at any position on the left side of the first space 101, below the first space 101, between the first space 101 and the second space 102, and on the right side of the second space 102. It is preferable that

  Furthermore, the cabinet 11 of the distribution board 1 preferably includes a fifth space 105 in which the first communication adapter 61 is disposed. The first communication adapter 61 uses at least one of a first controller 611 that controls a device (not shown) and a second controller 612 that controls the device by communication via the network 60 as a main controller, Communicate with the main controller. The device here is a device that can be controlled by the main controller, and is a device compatible with HEMS (Home Energy Management System).

  The cabinet 11 of the distribution board 1 has a control unit having at least one of a first control unit 71 that controls devices and a second control unit 72 that controls devices by communication via a network (not shown). A sixth space 106 in which 7 is disposed may be provided. The device here is a device that can be controlled by the control unit 7 and is a HEMS-compatible device.

  Moreover, the cabinet 11 of the distribution board 1 may be provided with the 7th space 107 by which the 2nd communication adapter 62 which communicates with the electric power meter (smart meter) 621 which has a communication function is arrange | positioned.

  Further, the cabinet 11 of the distribution board 1 may include an eighth space 108 in which the third communication adapter 63 is disposed. The third communication adapter 63 communicates with at least one of the solar power generation device 631, the power storage device 632, and the power conversion device 633 that is electrically connected to the electric vehicle.

  Moreover, it is preferable that the cabinet 11 of the distribution board 1 includes a ninth space 109 in which the fourth communication adapter 64 that communicates with at least one of the gas meter 641 and the water meter 642 is disposed.

  Further, the cabinet 11 of the distribution board 1 is electrically connected to the conductive bars 22, 23, 24, and is electrically connected to the first distributed power supply 811 that is not allowed to flow backward to the power system. It is preferable to provide a tenth space 110 in which the next interconnection breaker 81 is arranged.

  Further, the cabinet 11 of the distribution board 1 has at least one of a primary feed terminal block 91 (see FIG. 3) and a primary interconnection breaker 92 on the opposite side of the first space 101 from the second space 102. It is preferable to provide the 11th space 111 arrange | positioned. The primary feed terminal block 91 is electrically connected to the main breaker 2. The primary interconnection breaker 92 is electrically connected to a second distributed power supply 921 that is allowed to reversely flow to the power system.

  The distribution board 1 according to the present embodiment includes a cabinet 11 of the distribution board 1, a main breaker 2 attached to the first space 101, and a plurality of branch breakers 3 and 3 attached to the second space 102. … And.

  The distribution board 1 preferably includes a sensor block 4 attached to the third space 103.

  In this case, the sensor block 4 is formed with through holes 43 and 43 (see FIG. 4) through which the plurality of connection terminals 25, 25... Pass, and the through holes 43 and 43 correspond to the sensor block 4 for the third space 103. May be opened in the mounting direction.

  The distribution board 1 may include the measurement unit 5 attached to the fourth space 104 and the first communication adapter 61 attached to the fifth space 105. The measurement unit 5 preferably transmits measurement data to the first communication adapter 61, and the main controller that communicates with the first communication adapter 61 is configured to control the device using the measurement data. .

  Alternatively, the distribution board 1 may include the control unit 7 attached to the sixth space 106 instead of the first communication adapter 61. The measurement unit 5 preferably transmits measurement data to the control unit 7, and the control unit 7 is configured to control the device using the measurement data.

  In addition, the distribution board 1 may include a second communication adapter 62 attached to the seventh space 107. The second communication adapter 62 transmits the measured value received from the power meter 621 to the first communication adapter 61, and the main controller that communicates with the first communication adapter 61 controls the device using the measured value. It is preferable that it is comprised.

  In addition, the distribution board 1 may include a third communication adapter 63 attached to the eighth space 108.

  The distribution board 1 may include a fourth communication adapter 64 attached to the ninth space 109.

  The distribution board 1 may include a secondary interconnection breaker 81 attached to the tenth space 110.

  In addition, the distribution board 1 may include a primary interconnection breaker 92 attached to the eleventh space 111.

  Hereinafter, the structure of the cabinet 11 of the distribution board 1 which concerns on this embodiment, and the distribution board 1 is demonstrated in detail. However, the configuration described below is only an example of the present invention, and the present invention is not limited to the following embodiment, and the technical idea according to the present invention is not deviated from this embodiment. Various changes can be made in accordance with the design or the like as long as they are not.

  In addition, in this embodiment, although the case where the distribution board 1 is used by a detached house is illustrated, not only this example but the distribution board 1 is used for each dwelling unit of a housing complex, an office, a store, etc. May be. In the following description, the top, bottom, left and right (up, down, left, and right in FIG. 2) when the distribution board 1 is attached to the wall will be referred to as up, down, left, and right. It is not intended to limit the mounting direction.

  First, the cabinet 11 of the distribution board 1 will be described.

  As shown in FIG. 2, the cabinet 11 is formed in a box shape in which the front view is a horizontally long rectangular shape and the front surface is opened, and is used by being attached to a wall of a house. The cabinet 11 has a space for accommodating at least a main breaker 2 as an internal unit and a plurality of branch breakers 3, 3. Here, the cabinet 11 is made of synthetic resin, and an openable / closable lid (not shown) is attached to the front surface of the cabinet 11. The lid may be included in the cabinet 11 or may not be included in the cabinet 11.

  That is, the cabinet 11 of the distribution board 1 is provided with a space for mounting various internal devices such as a breaker, and the first space 101 in which the main breaker 2 is arranged and a plurality of branch breakers 3, 3. And at least a second space 102 to be arranged.

  The cabinet 11 of the distribution board 1 according to the present embodiment includes a third space 103 to an eleventh space 111 in addition to the first space 101 and the second space 102. Here, the fifth space 105 also serves as the sixth space 106, the eighth space 108 serves as the ninth space 109, and a part of the second space 102 also serves as the tenth space 110.

  Therefore, actually, the cabinet 11 includes the first space 101, the second space 102, the third space 103, the fourth space 104, the fifth space 105, the seventh space 107, the eighth space 108, and the eleventh space 111. I have. However, below, it demonstrates that the cabinet 11 is provided with the 1st space 101-the 11th space 111. The sixth space 106, the ninth space 109, and the tenth space 110 may be provided separately from the fifth space 105, the eighth space 108, and the second space 102, respectively.

  The cabinet 11 of the distribution board 1 configured in this way has, as a minimum configuration, a main breaker 2 in the first space 101 and a plurality of branch breakers 3, 3. The other third space 103 to eleventh space 111 are empty spaces provided for function expansion of the distribution board 1. Therefore, the cabinet 11 can expand the functions of the distribution board 1 by attaching various internal devices (devices) to the third space 103 to the eleventh space 111 later.

  In short, the cabinet 11 is not provided with all the first space 101 to the eleventh space 111 attached to the internal unit, but only the main breaker 2 and the plurality of branch breakers 3, 3. Provided in live condition. And the cabinet 11 can extend the function as the distribution board 1 by adding various internal units to the 3rd space 103-the 11th space 111 which are empty spaces as needed, for example after installation. .

  More specifically, the cabinet 11 is provided with a first space 101 to an eleventh space 111 on the front surface thereof.

  The first space 101 is provided at a position closer to the left and lower than the center of the front surface of the cabinet 11. The cabinet 11 has sufficient space above, below, to the left, and to the right of the first space 101.

  The second space 102 is provided on the right side of the first space 101. As will be described in detail later, the plurality of branch breakers 3, 3... Are divided into an upper side and a lower side of the neutral pole (N-phase) conductive bar 22, and a plurality of branch breakers 3, 10 in the example of FIG. , 13 on the lower side) are arranged in the horizontal direction. Therefore, the second space 102 for attaching the plurality of branch breakers 3, 3... Is provided on the right side of the first space 101 in the cabinet 11 and on the upper side and the lower side of the conductive bar 22 of the neutral electrode. ing.

  The third space 103 is provided below the second space 102 above the conductive bar 22 and above the second space 102 below the conductive bar 22 so as to be adjacent to the second space 102. The fourth space 104 is provided below the first space 101. However, the fourth space 104 is not limited to the lower side of the first space 101, and is any one of the left side of the first space 101, the space between the first space 101 and the second space 102, and the right side of the second space 102. It may be provided in the position.

  Here, the primary breaker 2 is provided with a primary side terminal 20 at an upper portion thereof, and the temperature around the primary side terminal 20 becomes relatively high. Therefore, it is desirable that the fourth space 104 in which the measurement unit 5 described later is disposed avoids the upper side of the first space 101 in which the main breaker 2 is disposed. Thereby, the measurement unit 5 is arranged at a predetermined distance or more away from the primary side terminal 20 of the main breaker 2.

  The fifth space 105 (= sixth space 106) is provided on the left side of the first space 101 and at a position higher than the first space 101. The cabinet 11 has sufficient space above and below the fifth space 105.

  The seventh space 107 is provided above the fifth space 105 so as to be adjacent to the fifth space 105. The eighth space 108 (= the ninth space 109) is provided below the fifth space 105 so as to be adjacent to the fifth space 105.

  The eleventh space 111 is provided on the left side of the first space 101 and on the right side of the fifth space 105, that is, between the first space 101 and the fifth space 105.

  The tenth space 110 is a part of the second space 102 below the conductive bar 22, and in the example of FIG. 2, the third branch breakers 3, 3, and 3 are arranged from the right. It is an area.

  Further, the cabinet 11 has a window hole 12 penetrating in the front-rear direction, and wiring can be drawn into the interior from the back of the wall through the window hole 12.

  In the present embodiment, the cabinet 11 includes the first space 101 to the eleventh space 111, but it is sufficient that the first space 101 and the second space 102 are provided as a minimum configuration, and other spaces are appropriately selected. It may be omitted.

  Next, the distribution board 1 in which the internal unit is attached to the cabinet 11 having the above-described configuration will be described. That is, the distribution board 1 includes a cabinet 11 and an internal unit attached to the cabinet 11.

  Here, the minimum configuration as an internal unit of the distribution board 1 is a main breaker 2 attached to the first space 101 and a plurality of branch breakers 3, 3... Attached to the second space 102. Furthermore, the distribution board 1 according to the present embodiment includes the third space 103 to the eleventh space 111 in the cabinet 11 as described above, so that various types other than the main breaker 2 and the plurality of branch breakers 3, 3. An internal unit can be additionally attached (retrofitted). In other words, the distribution board 1 can be provided with necessary internal devices as appropriate, and the function can be expanded thereby.

  In the present embodiment, as shown in FIG. 3, the distribution board 1 in a state in which all the inner units that can be attached to the third space 103 to the eleventh space 111 are provided is illustrated. However, as described above, the distribution board 1 only needs to include the main breaker 2 and the plurality of branch breakers 3, 3,... As the minimum configuration, and other internal units may be omitted as appropriate.

  That is, the distribution board 1 according to the present embodiment includes the sensor block 4 attached to the third space 103, the measurement unit 5 attached to the fourth space 104, and the first communication attached to the fifth space 105. An adapter 61 is provided as an internal unit. Further, the distribution board 1 includes a second communication adapter 62 attached to the seventh space 107, a third communication adapter 63 attached to the eighth space 108, and a primary feed terminal block attached to the eleventh space 111. 91 as an internal unit.

  As described above, since the fifth space 105 is also used as the sixth space 106, the distribution board 1 replaces the first communication adapter 61 with the control unit 7 ( (See FIG. 1). Similarly, since the eighth space 108 is also used as the ninth space 109, the distribution board 1 replaces the third communication adapter 63 with the fourth communication adapter 64 (FIG. 1) attached to the ninth space 109. Reference) may be provided. Similarly, since a part of the second space 102 is also used as the tenth space 110, the distribution board 1 is replaced with a part of the plurality of branch breakers 3, 3. The secondary interconnection breaker 81 (refer FIG. 1) attached to 110 may be provided. Further, it is sufficient that at least one of the primary feed terminal block 91 and the primary interconnection breaker 92 (see FIG. 1) is attached to the eleventh space 111, and the distribution board 1 is replaced with the primary feed terminal block 91. And a primary interconnection breaker 92 may be provided.

  Below, the internal unit of the distribution board 1 (internal unit which can be attached to the cabinet 11) is demonstrated.

  The main breaker 2 is electrically connected to a primary-side terminal 20 of a single-phase three-wire service line 21 (see FIG. 1) of a system power supply (commercial power supply). The secondary side of the main breaker 2 is electrically connected to a conductive bar which is a long plate shape that is long in the left-right direction and is made of a conductive member.

  Here, since a single-phase three-wire system is assumed as the power distribution method, the conductive bars include a neutral pole (N-phase) conductive bar 22, a first voltage pole (L1-phase) conductive bar 23, A second voltage electrode (L2 phase) conductive bar 24 is provided. These three conductive bars 22, 23, 24 are arranged on the right side of the main breaker 2 and are fixed to the cabinet 11.

  In the second space 102 of the cabinet 11, the plurality of branch breakers 3, 3... Are divided into an upper side and a lower side of the conductive bar 22 of the neutral electrode, and a plurality of branch breakers 3, 10 in the example of FIG. , 13 on the lower side) are arranged in the horizontal direction.

  Each branch breaker 3 has a primary side terminal (not shown) and a secondary side terminal 31, and the primary side terminal is electrically connected to the conductive bars 22, 23, and 24, and the secondary side terminal 31. Each of a plurality of electric circuits (not shown) is connected to. Each branch breaker 3 is formed in a contracted dimension. Here, the agreement type dimension means a dimension (and shape) of a circuit breaker for a light distribution board in accordance with “JIS C 8201-2-1”.

  In the electric circuit connected to the secondary side terminal 31 of each branch breaker 3, for example, one or more devices such as lighting fixtures and hot water supply facilities, outlets of plug-in connection devices, and wiring fixtures such as wall switches are used as loads. Connected.

  Each branch breaker 3 has an insertion port 32 (see FIG. 4) into which the conductive bars 22, 23, 24 are inserted, on a surface facing the conductive bars 22, 23, 24. Here, the conductive bars 23, 24 of the first voltage electrode and the second voltage electrode have a plurality of connection terminals 25 protruding upward and downward at positions corresponding to the plurality of branch breakers 3, 3,. 25 (see FIG. 4). Three insertion ports 32 are provided in each branch breaker 3 so as to correspond to each of the three conductive bars 22, 23, 24, and the primary side terminal is the three insertion ports 32. Are provided so as to be exposed in the two insertion ports 32. Thereby, in the state where each branch breaker 3 is attached to the cabinet 11, the conductive bars 22, 23, 24 are inserted into the insertion ports 32, and the primary side terminals are electrically connected to the conductive bars 22, 23, 24. Is done. Connection terminals 25, 25... Are inserted into the insertion ports 32 corresponding to the conductive bars 23, 24 of the first voltage electrode and the second voltage electrode.

  The branch breaker 3 connected to the neutral electrode and the first voltage electrode is exposed in each insertion port 32 whose primary side terminals correspond to the conductive bar 22 of the neutral electrode and the conductive bar 23 of the first voltage electrode. It is provided to do. Further, the branch breaker 3 connected to the neutral electrode and the second voltage electrode has a primary terminal in each insertion port 32 corresponding to the conductive bar 22 of the neutral electrode and the conductive bar 24 of the second voltage electrode. It is provided so as to be exposed. The branch breaker 3 connected to the first voltage electrode and the second voltage electrode has respective insertion ports whose primary terminals correspond to the conductive bar 23 of the first voltage electrode and the conductive bar 24 of the second voltage electrode. 32 so as to be exposed.

  More specifically, the distribution board 1 of this embodiment includes a synthetic resin base 26 that holds the conductive bars 22, 23, and 24 as shown in FIG. 4.

  The base 26 includes a bottom plate 261 formed in an elongated plate shape that is long in the left-right direction, a prismatic support base 262 that protrudes forward from both ends of the bottom plate 261 in the left-right direction, and a left-right direction on the front surface of the bottom plate 261. And a partition wall 263 protruding forward from the center line along the line.

  The conductive electrode 22 of the neutral electrode is formed of a conductive metal plate, and has both ends in the left-right direction so as to be bridged between a pair of support bases 262 (only one support base is shown in FIG. 4). The part is fixed to the support base 262. Here, a gap is secured between the front edge of the partition wall 263 and the conductive bar 22.

  The conductive bar 23 of the first voltage electrode is formed of a conductive metal plate, and is attached to a region of the bottom plate 261 above the partition wall 263. The conductive bar 23 includes a flat plate 231 disposed along the bottom plate 261 and a standing piece 232 protruding forward from the lower end edge of the flat plate 231. The standing piece 232 is provided at a position corresponding to each of the plurality of branch breakers 3, 3. The front end of the upright piece 232 is divided into two forks, one being the connection terminal 25 protruding upward and the other being the connection terminal 25 protruding downward. The connection terminal 25 protruding downward is located forward of the connection terminal 25 protruding upward, and protrudes below the partition wall 263 through a gap between the partition wall 263 and the conductive bar 22.

  The conductive bar 24 of the second voltage electrode is formed from a conductive metal plate, and is attached to a region of the bottom plate 261 below the partition wall 263. The conductive bar 24 includes a flat plate 241 disposed along the bottom plate 261 and a standing piece 242 protruding forward from the upper edge of the flat plate 241. The standing piece 242 is provided at a position corresponding to each of the plurality of branch breakers 3, 3. The front end portion of the upright piece 242 is divided into two forks, one being a connection terminal 25 protruding downward and the other being a connection terminal 25 protruding upward. The connection terminal 25 protruding upward is located forward of the connection terminal 25 protruding downward, and protrudes above the partition wall 263 through a gap between the partition wall 263 and the conductive bar 22.

  With the above configuration, in the present embodiment, the conductive bars 22, 23, and 24 are disposed from the front side (opposite side to the wall) in the depth direction below the neutral electrode conductive bar 22. Are arranged in order of the second voltage electrode and the second voltage electrode. On the upper side of the conductive bar 22 of the neutral electrode, the conductive bar 22 is arranged so that the neutral electrode, the second voltage electrode, and the first voltage electrode are arranged in this order from the front side (the side opposite to the wall) in the depth direction. Is done. Therefore, the branch breaker 3 is connected to the neutral electrode and the first voltage electrode when attached to the upper side of the conductive bar 22 when the branch breaker 3 has primary terminals in the respective insertion ports 32 at both ends in the depth direction. When attached to the lower side, it is connected to the neutral electrode and the second voltage electrode.

  The sensor block 4 is a sensor (current sensor) for detecting the power consumption of a load (electric circuit) connected to each of the plurality of branch breakers 3, 3. 4 and 5, the sensor block 4 is attached to the conductive bars 22, 23, 24 so that the plurality of connection terminals 25, 25... Penetrate, and each of the plurality of connection terminals 25, 25. Measure the value of the flowing current. 4 shows a state before the sensor block 4 is attached to the conductive bars 22, 23, 24, and FIG. 5 shows a state where the sensor block 4 is attached to the conductive bars 22, 23, 24.

  Specifically, the sensor block 4 includes a plurality of current sensors 42, 42,... That measure values of currents flowing through the plurality of branch breakers 3, 3, ... on the substrate 41 attached to the conductive bars 22, 23, 24. have. In the sensor block 4, a plurality of through holes 43, 43... Penetrating in the thickness direction of the substrate 41 are connected to the plurality of connection terminals 25, 25... Of the conductive bars 23, 24 of the first voltage electrode and the second voltage electrode. It is formed in the corresponding position. Thereby, in a state where the sensor block 4 is attached to the conductive bars 22, 23, 24, the connection terminals 25 of the first and second voltage poles are connected to the sensor blocks 4. The branch breaker 3 is connected through the through hole 43.

  In the sensor block 4, current sensors 42 are formed around the respective through holes 43 in the substrate 41. As each current sensor 42, a current transformer (current transformer), a Hall element, a magnetoresistive element, a GMR (Giant magnetic resistances) element, a shunt resistance, or the like is used. As an example, here, each current sensor 42 is a Rogowski coil that includes an air-core coil that does not use a core (coreless) and generates an output corresponding to the current passing through the through-hole 43. The sensor block 4 calculates the value of the current flowing through each of the plurality of branch breakers 3, 3... Based on the output of each current sensor 42, and outputs the calculated current value to the measurement unit 5 using an electrical signal. The value of the current flowing through each of the plurality of branch breakers 3, 3... Is the same as the value of the current flowing through each of the plurality of electric circuits connected to the plurality of branch breakers 3, 3..

  However, the current sensor 42 does not need to be provided around all the through holes 43, 43... In the present embodiment, the back side (wall side) of the pair of through holes 43, 43 arranged in the depth direction. It is provided only around the through hole 43. As a result, the current sensor 42 measures the current value of the first voltage electrode when the sensor block 4 is attached to the upper side of the conductive bar 22, and the current value of the second voltage electrode when the sensor block 4 is attached to the lower side. The value will be measured.

  The measurement unit 5 is electrically connected to the sensor block 4 and acquires an electric signal from the sensor block 4 to measure the value of the current flowing through each of the plurality of electric paths.

  The measurement unit 5 calculates the electric power of each of the plurality of electric circuits using the value of the current flowing through each of the plurality of electric circuits and the voltage value between the lines of the plurality of electric circuits. Here, the measurement unit 5 measures at least one of the instantaneous power, which is the product of the current value and the voltage value, and the power amount obtained by integrating the instantaneous power over a predetermined time as a measured value for each electric circuit.

  In the present embodiment, the measurement unit 5 is electrically connected to the secondary side terminal 31 of one of the branch breakers 3, and power for power supply is supplied via the branch breaker 3. Further, the measurement unit 5 is also electrically connected to the first communication adapter 61, outputs the measurement value to the first communication adapter 61 through communication, and supplies power for power supply to the first communication adapter 61.

  Note that the measurement unit 5 may be configured to receive a power request for power supply directly from the conductive bars 22, 23, and 24. Further, the measurement unit 5 measures not only the plurality of branch breakers 3, 3... But also the value of the current flowing through the main breaker 2 and the primary interconnection breaker 92, for example, and passes through the main breaker 2 and the primary interconnection breaker 92. You may obtain | require the value regarding the electric power to perform as a measured value. In this case, the measurement unit 5 is electrically connected to a current sensor (not shown) made of a current transformer (CT), and the value of the current passing through the main breaker 2 and the primary interconnection breaker 92 is determined by this current sensor. Just measure.

  The first communication adapter 61 is a main controller including at least one of a first controller 611 that controls a device (not shown) and a second controller 612 that controls the device by communication via the network 60. Communication function. The device here is a HEMS compatible device. The HEMS-compatible device only needs to be a management target of power consumption, for example, eight devices important in HEMS (smart meter, solar power generation device, power storage device, fuel cell, electric vehicle, air conditioner, lighting fixture, hot water supply device), etc. including. Further, the HEMS compatible device may include the other two of the four large power consumption sources, a refrigerator, a television receiver, and the like. However, the purpose is not to limit the HEMS compatible devices to these devices.

  The communication method between the first communication adapter 61 and the main controller may be wireless communication using radio waves such as 920 MHz band specific low power radio, Zigbee (registered trademark), Bluetooth (registered trademark), or the like. . Furthermore, the communication method between the first communication adapter 61 and the main controller may be wired communication such as a wired LAN (Local Area Network). Further, as a communication protocol in communication between the first communication adapter 61 and the main controller, for example, Ethernet (registered trademark), ECHONET (registered trademark) Lite, or the like may be used.

  Here, the first controller 611 and the second controller 612 are HEMS controllers. The HEMS controller has a function of controlling a display terminal (not shown) to visualize (visualize) the measurement result of the measurement unit 5 and controlling a device (compatible with HEMS) based on the measurement result. It is installed outside the distribution board 1. According to this controller, it becomes possible to manage the state of power consumption in the device, and wasteful consumption of power can be suppressed.

  The first controller 611 is installed in the house. For example, the first controller 611 communicates with the first communication adapter 61 by wireless communication using a radio wave as a medium, or wired communication such as a wired LAN, and a home (HEMS compatible) device is connected. Or control. On the other hand, the second controller 612 is provided on a network 60 such as the Internet, and communicates with the first communication adapter 61 by communication via the network 60 and controls in-house (HEMS compatible) devices. To do. That is, the first controller 611 constructs a so-called local HEMS, while the second controller 612 constructs a so-called cloud HEMS.

  In the present embodiment, the measurement unit 5 is configured to transmit measurement data to the first communication adapter 61. A main controller (at least one of the first controller 611 and the second controller 612) that communicates with the first communication adapter 61 is configured to control a device (corresponding to HEMS) using measurement data. Thereby, the main controller can control an apparatus based on the power consumption in each of several electric circuit.

  The control unit 7 has at least one of a first control unit 71 having a function corresponding to the first controller 611 and a second control unit 72 having a function corresponding to the second controller 612. ing. That is, the distribution board 1 can add a function corresponding to at least one of the first controller 611 and the second controller 612 by attaching the control unit 7 to the sixth space 106 of the cabinet 11. It is.

  When the control unit 7 is provided, the measurement unit 5 preferably transmits the measurement data to the control unit 7, and the control unit 7 is preferably configured to control the device using the measurement data (compatible with HEMS). Thereby, the control unit 7 can control an apparatus based on the power consumption in each of several electric circuit.

  The second communication adapter 62 has a function of communicating with a power meter 621 having a communication function. The second communication adapter 62 is mechanically coupled to and electrically connected to the first communication adapter 61. In the present embodiment, the first communication adapter 61 and the second communication adapter 62 are connected by a board-to-board connection with a part of each of the first communication adapter 61 and the second communication adapter 62 overlapping in the depth direction. For this reason, a part of the fifth space 105 to which the first communication adapter 61 is attached also serves as the seventh space 107 to which the second communication adapter 62 is attached.

  The power meter 621 here is a so-called smart meter, which can measure the amount of power used by consumers and perform remote meter reading by communicating with a concentrator (not shown) connected to the distribution line. To. Furthermore, there may be a case where request information, which is a request for suppressing power consumption, is transmitted from a power company that is a supplier or a server operated by a power saving operator to the power meter 621 of each consumer. is there. The power meter 621 can send a measured value (amount of power used), request information, and the like to the second communication adapter 62 through communication with the second communication adapter 62.

  The communication method between the second communication adapter 62 and the power meter 621 may be wireless communication using a radio wave such as a specific low power wireless in the 920 MHz band, for example, or wired communication. In the case of wired communication, power line communication (PLC) that performs communication using a power line as a transmission medium can be applied.

  Here, the second communication adapter 62 is preferably configured to transmit the measured value received from the power meter 621 to the first communication adapter 61. In this case, the main controller (at least one of the first controller 611 and the second controller 612) that communicates with the first communication adapter 61 is configured to control the device using the measurement value (compatible with HEMS). Also good. Thus, the main controller can control the device based on the measured value in the power meter 621.

  The third communication adapter 63 has a communication function with at least one of the solar power generation device 631, the power storage device 632, and the power conversion device 633 that is electrically connected to the electric vehicle. The power conversion device 633 here refers to power conversion for performing unidirectional charging from the distribution panel 1 side to the electric vehicle, as well as charging and discharging the storage battery of the electric vehicle by performing bidirectional power conversion. The structure used for both may be sufficient. In this case, the power conversion device 633 has both a charging function for supplying electric power to the electric vehicle to charge the storage battery of the electric vehicle and a discharging function for supplying electric power to the house using the storage battery of the electric vehicle as a power source. .

  In short, the power conversion device 633 converts the DC power discharged from the storage battery into AC power in addition to charging the electric vehicle, and supplies the converted power to the house to supply power to the equipment and facilities in the house. V2H (Vehicle to Home) is performed. However, the power conversion device 633 only needs to be configured to transfer power to and from the storage battery, and may be configured to perform only one of charging and discharging of the storage battery. The electric vehicle is not limited to an electric vehicle (EV) that is driven by the output of the electric motor, but is a plug-in hybrid vehicle (PHEV), a fuel cell vehicle (FCV) that is driven by combining the output of the engine and the output of the electric motor, for example. It may be.

  The third communication adapter 63 is mechanically coupled to and electrically connected to the first communication adapter 61. In the present embodiment, the first communication adapter 61 and the third communication adapter 63 are connected by a board-to-board connection with a part of each of the first communication adapter 61 and the third communication adapter 63 overlapping in the depth direction. Therefore, a part of the fifth space 105 to which the first communication adapter 61 is attached also serves as the eighth space 108 to which the third communication adapter 63 is attached.

  Here, the devices (solar power generation device 631, power storage device 632, and power conversion device 633) that are communication partners of the third communication adapter 63 are devices that are fixedly installed in the house, and the distribution board 1 It is a device that can route the wiring between. Therefore, the communication method between the third communication adapter 63 and the solar power generation device 631, the power storage device 632, and the power conversion device 633 is, for example, wired communication such as RS-485. Note that the third communication adapter 63 is not limited to the solar power generation device 631, the power storage device 632, and the power conversion device 633, and may be capable of communicating with, for example, a hot water storage type hot water supply device (EcoCute (registered trademark)).

  The fourth communication adapter 64 has a communication function with at least one of the gas meter 641 and the water meter 642. The gas meter 641 and the water meter 642 output a pulse signal corresponding to the flow rate. The fourth communication adapter 64 receives a pulse signal from the gas meter 641 or the water meter 642, and converts it into a flow rate using a predetermined conversion value (conversion rate) of the flow rate per pulse.

  The fourth communication adapter 64 is mechanically coupled to and electrically connected to the first communication adapter 61. In the present embodiment, the first communication adapter 61 and the fourth communication adapter 64 are connected by a board-to-board connection in a state where each of them overlaps in the depth direction. Therefore, a part of the fifth space 105 in which the first communication adapter 61 is attached also serves as the ninth space 109 in which the fourth communication adapter 64 is attached.

  Here, the devices (the gas meter 641 and the water meter 642) that are communication partners of the fourth communication adapter 64 are devices that are fixedly installed in the house, and the wiring is routed to and from the distribution board 1. It is a device that can. Therefore, the communication method between the fourth communication adapter 64, the gas meter 641, and the water meter 642 is wired communication. However, the communication method between the fourth communication adapter 64, the gas meter 641, and the water meter 642 is not limited to wired communication, and may be wireless communication.

  Further, the third communication adapter 63 and the fourth communication adapter 64 may be integrated. In this case, the distribution board 1 can add the functions of both the third communication adapter 63 and the fourth communication adapter 64 only by attaching the third communication adapter 63 to the eighth space 108 of the cabinet 11.

  The secondary interconnection breaker 81 is electrically connected to the conductive bars 22, 23, and 24, and is electrically connected to the first distributed power supply 811 that is not allowed to reversely flow to the power system. Examples of the first distributed power supply 811 include a fuel cell (not shown), a gas power generation device (not shown), a power storage device 632, and the like. The secondary interconnection breaker 81 is electrically connected between the secondary side of the main breaker 2 and the first distributed power supply 811. As a result, the secondary grid breaker 81 supplies power to the first distributed power supply 811 when the power supply from the system power supply is stopped or when an abnormality occurs in the system power supply or the first distributed power supply 811. Operates to disconnect (disconnect) from the grid.

  Similar to the branch breaker 3, the secondary interconnection breaker 81 has a primary side terminal (not shown) and a secondary side terminal (not shown), and the primary side terminals are conductive bars 22, 23, 24. The first distributed power supply 811 is connected to the secondary side terminal. The secondary interconnection breaker 81 is a breaker having 3P3E (number of poles 3, number of elements 3) and having a size in the left-right direction equivalent to a plurality of (three) branch breakers 3.

  In the example of FIG. 3, this secondary interconnection breaker 81 is replaced with the third branch breakers 3, 3, 3 from the right among the plurality of branch breakers 3, 3. It is attached to the cabinet 11. In other words, the tenth space 110 to which the secondary interconnection breaker 81 is attached serves as a part of the second space 102 below the conductive bar 22 as described above.

  The primary feed terminal block 91 is electrically connected to the primary terminal 20 of the main breaker 2. Thereby, by using the primary feed terminal block 91, it becomes possible to additionally connect an electric wire to the primary side of the main breaker 2.

  The primary interconnection breaker 92 is electrically connected to the primary terminal 20 of the main breaker 2 and is electrically connected to a second distributed power source 921 that is allowed to flow backward to the power system. As the second distributed power source 921, there is a solar power generation device 631 or the like. Further, the solar power generation device 631 and the power storage device 632 are integrated, so that the generated power of the solar battery is stored in the storage battery, and the power of the storage battery is supplied to the device connected to the distribution board 1. A storage cooperation system may be used. The primary interconnection breaker 92 is electrically connected between the primary side of the main breaker 2 and the second distributed power source 921. Thereby, the primary interconnection breaker 92 causes the second distributed power supply 921 to be connected to the power system when, for example, the power supply from the system power supply is stopped or when an abnormality occurs in the system power supply or the second distributed power supply 921. Operates to disconnect (disconnect) from.

  The primary interconnection breaker 92 has a primary side terminal (not shown) and a secondary side terminal (not shown), and the primary side terminal is electrically connected to the primary side terminal 20 of the main breaker 2. The second distributed power source 921 is connected to the secondary terminal. The primary interconnection breaker 92 is a breaker having a size of 3P3E (3 poles, 3 elements) and a size in the left-right direction corresponding to a plurality of (three) branch breakers 3.

  The cabinet 11 of the distribution board 1 having the configuration described above includes the first space 101 to which the main breaker 2 is attached, the second space 102 to which the plurality of branch breakers 3, 3. A space 111 is provided. According to this configuration, it is possible to expand the functions of the distribution board 1 by attaching various internal devices (devices) to the third space 103 to the eleventh space 111, which are empty spaces, later. is there.

  For example, when measuring the value of the current flowing through each of a plurality of branch circuits (electric circuits), the cabinet 11 of the distribution board 1 may be installed with the sensor block 4 in the third space 103, and the sensor block 4 is installed inside. Can fit in. As a result, the cabinet 11 of the distribution board 1 can realize high function expandability in a limited installation space without taking measures such as arranging additional boards for storing additional devices side by side. There is an advantage that.

Further, the cabinet 11 of the distribution board 1 is electrically connected to the sensor block 4 as in the present embodiment, and a measurement unit 5 that acquires an electrical signal corresponding to the value of the current from the sensor block 4 is disposed. The fourth space 104 is preferably provided. Thereby, the distribution board 1 can add the function of the measurement unit 5 if necessary.
That is, the cabinet 11 of the distribution board 1 includes the first space 101 in which the main breaker 2 electrically connected to the conductive bars 22, 23, 24 (see FIG. 4) is disposed, and the conductive bars 22, 23, 24. Are electrically connected to a plurality of connection terminals 25, 25... (See FIG. 4), and power is supplied from the conductive bars 22, 23, 24 to the plurality of electric circuits via the plurality of connection terminals 25, 25. The second space 102 in which a plurality of branch breakers 3, 3... To be branched are disposed, and the plurality of connection terminals 25, 25. 25... Are electrically connected to the third space 103 where the sensor block 4 for measuring the value of the current flowing through each of the sensor blocks 4 is arranged, and an electric signal corresponding to the value of the current is obtained from the sensor block 4. And a fourth space 104 that measuring unit 5 is arranged, it is preferred fourth space 104 is free space.

  Here, the second space 102 is preferably provided on the right side of the first space 101. In this case, the fourth space 104 is one of the left side of the first space 101, the lower side of the first space 101, the space between the first space 101 and the second space 102, and the right side of the second space 102. It is preferable to be provided at the position. The measuring unit 5 has an advantage that it is not easily affected by heat generated in the main breaker 2.

  Moreover, it is preferable that the cabinet 11 of the distribution board 1 is provided with the 5th space 105 by which the 1st communication adapter 61 is arrange | positioned like this embodiment. Thereby, the distribution board 1 can add the function of the 1st communication adapter 61 if needed.

  Further, the cabinet 11 of the distribution board 1 may include a sixth space 106 in which the control unit 7 is disposed. Thereby, the distribution board 1 can add the function of the control unit 7 if necessary.

  Further, the cabinet 11 of the distribution board 1 may include a seventh space 107 in which the second communication adapter 62 is arranged as in the present embodiment. Thereby, the distribution board 1 can add the function of the 2nd communication adapter 62 if needed.

  Moreover, the cabinet 11 of the distribution board 1 may be provided with the 8th space 108 by which the 3rd communication adapter 63 is arrange | positioned like this embodiment. Thereby, the distribution board 1 can add the function of the 3rd communication adapter 63 if needed.

  Further, the cabinet 11 of the distribution board 1 may include a ninth space 109 in which the fourth communication adapter 64 is disposed. Thereby, the distribution board 1 can add the function of the 4th communication adapter 64 if needed.

  Moreover, it is preferable that the cabinet 11 of the distribution board 1 is provided with the 10th space 110 where the secondary interconnection breaker 81 is arrange | positioned like this embodiment. Thereby, the distribution board 1 can add the function of the secondary interconnection breaker 81 if necessary.

  Further, the cabinet 11 of the distribution board 1 has at least a primary feed terminal block 91 and a primary interconnection breaker 92 on the opposite side of the first space 101 to the second space 102 as in the present embodiment. It is preferable to provide an eleventh space 111 in which one is arranged. Thereby, the distribution board 1 can add the function of the primary feed terminal block 91 and the primary interconnection breaker 92 if necessary.

  As a modification of the present embodiment, the sensor block 4 is formed with through holes 43, 43... Through which the plurality of connection terminals 25, 25... Pass, and the through holes 43, 43. The sensor block 4 may be opened in the mounting direction. That is, as shown in FIG. 6A, the sensor block 4A has a plurality of open portions 44, 44 corresponding to the plurality of through holes 43, 43... So that each through hole 43 is opened rearward (wall side). Are formed on the substrate 41.

  In this configuration, the sensor block 4 </ b> A can be attached to the third space 103 even when the plurality of branch breakers 3, 3. That is, the sensor block 4A can introduce the connection terminal 25 into the through hole 43 from the rear through the opening 44, so that the cabinet 11 can be inserted into the third space 103 without removing the branch breaker 3. Can be attached to. Therefore, according to this modification, when the sensor block 4A is retrofitted, there is an advantage that the construction can be saved compared to the case where the plurality of branch breakers 3, 3.

  6A, the sensor block 4A has a plurality of through holes 43, 43, and a plurality of open portions 44, 44, so as to correspond to the plurality of branch breakers 3, 3,. As many as 3, 3... Are provided. Therefore, in the configuration shown in FIG. 6A, the sensor block 4A is attached to the upper side and the lower side of the second space 102, so that the branch breaker 3, which can be attached to the upper side and the lower side of the second space 102, respectively. All 3 circuits can be measured.

  Furthermore, as shown to FIG. 6B, the sensor block 4B may be divided | segmented into plurality in the left-right direction. In the example of FIG. 6B, the sensor block 4B is provided with three through holes 43, 43, 43 and three open portions 44, 44, 44 so as to correspond to the three branch breakers 3, 3, 3. . Alternatively, as illustrated in FIG. 6C, the sensor block 6C may be divided for each current sensor 42 in the left-right direction. Thus, the sensor blocks 4B and 4C divided into a plurality in the left-right direction can be attached only to a necessary electric circuit.

  In the sensor blocks 4B and 4C divided into a plurality in the left-right direction, the cabinet 11 desirably includes a circuit board (not shown) having a connector at a position facing the third space 103. Thereby, the sensor blocks 4B and 4C can be electrically connected to the connector of the circuit board only by being inserted into the third space 103, and can be electrically connected to the measuring unit 5 via the circuit board.

  Further, as another modification of the present embodiment, when the distribution board 1 is attached to the sensor block 4, the branch breakers 3, 3... Are removed from the cabinet 11 and attached to the cabinet 11 once. It is also possible to adopt a configuration capable of In this modification, as shown in FIG. 7, the distribution board 1 has a holder 33 that holds a plurality of branch breakers 3, 3. In this distribution board 1, the holder 33 is detachably attached to the back plate (bottom plate) of the cabinet 11, so that the plurality of branch breakers 3, 3.

  The holder 33 has a coupling mechanism 34 for mechanically coupling to the cabinet 11. The coupling mechanism 34 has a lever 341 exposed on the front surface of the coupling mechanism 34. The lever 341 is operated to mechanically couple the cabinet 11 (locked state) and the mechanical coupling is released. (Release state) switches. Here, in the coupling mechanism 34, the position of the holder 33 with respect to the cabinet 11 is changed by the operation of the lever 341. When the coupling mechanism 34 is locked, the holder 33 moves to the conductive bar 22 side, the connection terminals 25, 25... Are inserted into the insertion ports 32 corresponding to the conductive bars 23, 24, and a plurality of branch breakers 3, 3 are inserted. Are electrically connected to the conductive bars 22, 23, 24. Conversely, when the coupling mechanism 34 is in the released state, the holder 33 moves in a direction away from the conductive bar 22, and the connection to the connection terminals 25, 25,. The plurality of branch breakers 3, 3... May be individually removable from the holder 33.

  According to this modification, the plurality of branch breakers 3, 3... Can be removed and attached together with the holder 33, so that the sensor block 4 can be attached without removing the branch breakers 3, 3. It becomes.

(How to expand the function of the distribution board)
Below, the function expansion method (production method of the distribution board by function expansion) of the distribution board 1 which concerns on this embodiment is demonstrated.

  The distribution board 1 is produced by a method in which at least a third space 103 and a fourth space 104 are provided as empty spaces in a cabinet 11 to which a main breaker 2 and a plurality of branch breakers 3, 3. This is a production method for adding functions to the electrical panel 1. The main breaker 2 is electrically connected to the conductive bars 22, 23, 24. The plurality of branch breakers 3, 3... Are electrically connected to the plurality of connection terminals 25, 25... Provided on the conductive bars 22, 23, 24. , 25..., 25.

  The distribution board 1 is produced by attaching the connection bars 25, 23, 24 to the third space 103 so that the plurality of connection terminals 25, 25... Pass through each of the plurality of connection terminals 25, 25. And attaching a sensor block 4 for measuring the value of the current flowing through Furthermore, the production method of the distribution board 1 includes a step of attaching a measurement unit 5 that is electrically connected to the sensor block 4 and acquires an electrical signal corresponding to the value of the current from the sensor block 4 in the fourth space 104. Have

  The cabinet 11 may further be provided with a fifth space 105 as an empty space. In this case, the method for producing the distribution board 1 includes a step of attaching the first communication adapter 61 to the fifth space 105. The first communication adapter 61 uses at least one of a first controller 611 that controls a device (compatible with HEMS) and a second controller 612 that controls the device by communication via the network 60 as a main controller. Communicate with the main controller.

  Alternatively, the cabinet 11 may be further provided with a sixth space 106 as an empty space. In this case, the production method of the distribution board 1 includes a first control unit 71 that controls a device (corresponding to HEMS) in the sixth space 106 and a second control unit 72 that controls the device by communication via a network. And attaching the control unit 7 having at least one of the following.

  Furthermore, it is preferable that the cabinet 11 is further provided with a seventh space 107 as an empty space. In this case, the method for producing the distribution board 1 includes a step of attaching the second communication adapter 62 that communicates with the power meter 621 having a communication function to the seventh space 107.

  The cabinet 11 may further be provided with an eighth space 108 as an empty space. In this case, the production method of the distribution board 1 is the third communication that communicates in the eighth space 108 with at least one of the solar power generation device 631, the power storage device 632, and the power conversion device 633 that is electrically connected to the electric vehicle. A step of attaching the adapter 63;

  The cabinet 11 may further be provided with a ninth space 109 as an empty space. In this case, the method for producing the distribution board 1 includes a step of attaching the fourth communication adapter 64 that communicates with at least one of the gas meter 641 and the water meter 642 to the ninth space 109.

  The cabinet 11 may further be provided with a tenth space 110 as an empty space. In this case, the production method of the distribution board 1 is that the first distributed power supply 811 that is electrically connected to the conductive bars 22, 23, and 24 in the tenth space 110 and does not allow reverse power flow to the power system. A step of attaching an electrically connected secondary interconnection breaker 81;

  Further, the cabinet 11 may further be provided with an eleventh space 111 as an empty space. In this case, the method for producing the distribution board 1 includes a step of attaching at least one of the primary feed terminal block 91 and the primary interconnection breaker 92 to the eleventh space 111. The primary feed terminal block 91 is electrically connected to the main breaker 2. The primary interconnection breaker 92 is electrically connected to a second distributed power supply 921 that is allowed to reversely flow to the power system.

In short, the production method of the distribution board 1 according to the first embodiment is necessary for the empty space of the cabinet 11 of the distribution board 1 to which the main breaker 2 and the plurality of branch breakers 3, 3. This is a method of adding an internal unit later according to the situation. In other words, if the third space 103 to the eleventh space 111 are distribution boards provided in the cabinet 11 as vacant spaces, they are installed in the house for the time being, and necessary internal devices are later installed in the third space 103 to the eleventh space. it can be added to the space 111.

  Therefore, when the user introduces HEMS, for example, the sensor block 4 is added to the third space 103 of the cabinet 11, the measurement unit 5 is added to the fourth space 104, and the first communication adapter 61 is added to the fifth space 105. Necessary functions can be added to the electrical panel 1. In addition, when installing the smart meter (power meter 621), the user can add a necessary function to the distribution board 1 by adding the second communication adapter 62 to the seventh space 107 of the cabinet 11.

  Further, the user can add a necessary function to the distribution board 1 by adding the third communication adapter 63 to the eighth space 108 of the cabinet 11 when introducing the solar power generation device 631 and the like. Similarly, when using the measurement result of the gas meter 641 or the like, the user can add a necessary function to the distribution board 1 by adding the fourth communication adapter 64 to the ninth space 109 of the cabinet 11.

  Further, when installing the first distributed power supply 811, the user can add a necessary function to the distribution board 1 by adding the secondary grid breaker 81 to the tenth space 110 of the cabinet 11. Similarly, when installing the second distributed power supply 921, the user can add a necessary function to the distribution board 1 by adding the primary interconnection breaker 92 to the eleventh space 111 of the cabinet 11.

  Thus, according to the production method of the distribution board 1 of the present embodiment, the function of the distribution board 1 can be expanded by adding necessary internal devices (devices) to the empty space of the distribution board 1. There is an advantage of saving construction. In particular, if advance wiring is provided as necessary, when the function of the distribution board 1 is expanded, only the construction in the distribution board 1 is required, so that the construction is very saving.

The distribution board 1 may be provided in a state in which an internal unit other than the main breaker 2 and the plurality of branch breakers 3, 3. In this case, distribution board 1, the empty space cabinet 11, can extend the functionality by adding the necessary internal unit later. For example, the distribution board 1 may be provided with the sensor block 4 attached in advance in the third space 103.

(Embodiment 2)
As shown in FIG. 8, the distribution board 1 according to the present embodiment is connected to a self-standing distribution board 10 to construct a distribution board system 100. Hereinafter, the same configurations as those of the first embodiment are denoted by common reference numerals, and description thereof will be omitted as appropriate.

  That is, the distribution board system 100 according to the present embodiment is connected to the distribution board 1 and the distribution board 1, and the distributed power supply (first A distributed power source 811 and a self-supporting distribution board 10 fed from a second distributed power source 921).

  The self-standing distribution board 10 is installed side by side on the distribution board 1 near the distribution board 1.

  The self-supporting distribution board 10 includes a (self-supporting side) main breaker 27, a plurality of (self-supporting side) branch breakers 28, 28... Connected to the secondary side of the main breaker 27, and a switching circuit 29. A first distributed power source 811 such as a fuel cell is connected to one of the plurality of branch breakers 28, 28. The remaining branch breakers 28, 28... Are connected to an electric circuit in which one or more wiring devices such as lighting fixtures and hot water supply facilities, outlets of plug connection devices and wall switches are connected as loads. The

  The primary side of the main breaker 27 is connected to one of the branch breakers 3 of the distribution board 1 and the second distributed power source 921 such as a solar power generation device via the switching circuit 29. . The switching circuit 29 connects the primary side of the main breaker 27 to the branch breaker 3 of the distribution board 1 at the normal time when power from the power system is supplied. On the other hand, during a period in which power supply from the power system is stopped due to a power failure or the like, the switching circuit 29 connects the primary side of the main breaker 27 to the second distributed power supply 921. For example, the switching circuit 29 may be configured to be switched in response to a control signal from the second distributed power supply 921 or may be configured to be switched manually.

  Here, the second distributed power source 921 has an interconnected output path that outputs in a steady state when power from the power system is supplied, and a self-sustained output that outputs during a period when power supply from the power system is stopped. There are two output paths with the path. Among these, the independent output path is connected to the switching circuit 29 of the independent distribution board 10, and the interconnection output path is connected to the primary side of the main breaker 2 of the distribution board 1. Note that the second distributed power source 921 is connected to the main breaker 2 via the interconnection breaker, but the illustration of the interconnection breaker is omitted in FIG.

  According to the distribution board system 100 of the present embodiment described above, electric power is supplied to both the electric circuit connected to the distribution board 1 and the electric circuit connected to the self-supporting distribution board 10 during a steady state, and during a power failure. The electric power is supplied only to the electric circuit connected to the self-supporting distribution board 10.

  Other configurations and functions are the same as those of the first embodiment.

DESCRIPTION OF SYMBOLS 1 Distribution board 10 Stand-alone distribution board 100 Distribution board system 11 Cabinet 2 Main breaker 22,23,24 Conductive bar 25 Connection terminal 3 Branch breaker 4 Sensor block 43 Through-hole 5 Measuring unit 60 Network 61 1st communication adapter 611 1st 1 controller 612 second controller 62 second communication adapter 621 power meter 63 third communication adapter 631 solar power generation device 632 power storage device 633 power conversion device 64 fourth communication adapter 641 gas meter 642 water meter 7 control unit 71 first control Unit 72 Second control unit 81 Secondary interconnection breaker 811 First distributed power supply 91 Primary feed terminal block 92 Primary interconnection breaker 921 Second distributed power supply 101 First space 102 Second space 103 Third space 104 Fourth space 1 5 The fifth space 106 sixth space 107 7th space 108 eighth space 109 ninth space 110 10 Space 111 11 Space

Claims (31)

A first space in which a main breaker electrically connected to the conductive bar is disposed;
A second space in which a plurality of branch breakers that are electrically connected to a plurality of connection terminals provided on the conductive bar and branch power from the conductive bar to the plurality of electric paths via the plurality of connection terminals are arranged. When,
A third space in which a sensor block that is attached to the conductive bar so as to penetrate the plurality of connection terminals and that measures a value of a current flowing through each of the plurality of connection terminals is disposed;
A fourth space in which a measurement unit that is electrically connected to the first communication adapter and the sensor block and obtains an electrical signal corresponding to the value of the current from the sensor block is disposed;
The first communication adapter communicates with a main controller including at least one of a first controller that controls a device and a second controller that controls the device by communication via a network;
The distribution unit cabinet is characterized in that the measurement unit is electrically connected to a secondary side of the main breaker via a switch and power is supplied via the switch.   The second space is provided on the right side of the first space;
  The fourth space is provided at any of the left side of the first space, the lower side of the first space, the space between the first space and the second space, and the right side of the second space. Has been
  The cabinet of a distribution board according to claim 1.   A fifth space in which the first communication adapter is disposed;
  The cabinet of the electricity distribution panel according to claim 1 or 2, characterized by the above-mentioned.   A sixth space is provided in which a control unit having at least one of a first control unit that controls the device and a second control unit that controls the device by communication via a network is disposed.
  The cabinet of the electricity distribution panel according to claim 1 or 2, characterized by the above-mentioned.   A seventh space is provided in which a second communication adapter for communicating with a power meter having a communication function is disposed.
  The cabinet of a distribution board according to claim 3.   An eighth space in which a third communication adapter that communicates with at least one of a solar power generation device, a power storage device, and a power conversion device that is electrically connected to an electric vehicle is disposed.
  The cabinet of the electricity distribution panel of any one of Claims 1-5 characterized by the above-mentioned.   A ninth space is provided in which a fourth communication adapter that communicates with at least one of a gas meter and a water meter is disposed.
  The cabinet of the electricity distribution panel of any one of Claims 1-6 characterized by the above-mentioned.   A tenth space is provided in which a secondary interconnection breaker that is electrically connected to the conductive bar and is electrically connected to a first distributed power source that is not allowed to flow backward to the power system is disposed.
  The cabinet of the distribution board of any one of Claims 1-7 characterized by the above-mentioned.   A primary feed terminal block electrically connected to the main breaker on a side opposite to the second space with respect to the first space, and a second distributed power source that allows reverse power flow to the power system An eleventh space is provided in which at least one of the electrically connected primary interconnection breakers is disposed.
  The cabinet of the distribution board of any one of Claims 1-8 characterized by the above-mentioned.   The cabinet of the electricity distribution panel of any one of Claims 1-9,
  The trunk breaker attached to the first space;
  A plurality of branch breakers attached to the second space.
  A distribution board characterized by that.   The sensor block attached to the third space
  The distribution board according to claim 10.   The sensor block is formed with a through hole through which the plurality of connection terminals pass,
  The through hole is opened in the mounting direction of the sensor block with respect to the third space.
  The distribution board according to claim 11.   The cabinet of the distribution board according to claim 3;
  The trunk breaker attached to the first space;
  The plurality of branch breakers attached to the second space;
  The sensor block attached to the third space;
  The measuring unit attached to the fourth space;
  And the first communication adapter attached to the fifth space.
  A distribution board characterized by that.   The cabinet of the distribution board according to claim 4;
  The trunk breaker attached to the first space;
  The plurality of branch breakers attached to the second space;
  The sensor block attached to the third space;
  The measuring unit attached to the fourth space;
  And the control unit attached to the sixth space.
  A distribution board characterized by that.   The measurement unit transmits measurement data to the first communication adapter, and the main controller that communicates with the first communication adapter is configured to control the device using the measurement data.
  The distribution board according to claim 13.   The measurement unit transmits measurement data to the control unit, and the control unit is configured to control the device using the measurement data.
  The distribution board according to claim 14.   The cabinet of the distribution board according to claim 5;
  The trunk breaker attached to the first space;
  The plurality of branch breakers attached to the second space;
  The sensor block attached to the third space;
  The measuring unit attached to the fourth space;
  The first communication adapter attached to the fifth space;
  And the second communication adapter attached to the seventh space.
  A distribution board characterized by that.   The second communication adapter receives a measured value received from the electric power meter from the first communication adapter.
The main controller that communicates with the first communication adapter is configured to control the device using the measurement value
  The distribution board according to claim 17.   The cabinet of the distribution board according to claim 6;
  And the third communication adapter attached to the eighth space.
  A distribution board characterized by that.   The cabinet of the distribution board according to claim 7;
  And the fourth communication adapter attached to the ninth space.
  A distribution board characterized by that.   The cabinet of the distribution board according to claim 8;
  And the secondary interconnection breaker attached to the tenth space.
  A distribution board characterized by that.   The cabinet of the distribution board according to claim 9;
  And the primary interconnection breaker attached to the eleventh space.
  A distribution board characterized by that.   The distribution board according to any one of claims 10 to 22,
  A self-standing distribution board electrically connected to the distribution board and fed from a distributed power source in a state where power supply from the power system is stopped
  A distribution board system characterized by that.   A main breaker electrically connected to the conductive bar and a plurality of connection terminals provided on the conductive bar are electrically connected, and power is supplied from the conductive bar to the plurality of electric paths via the plurality of connection terminals. A distribution board production method for adding a function to a distribution board in which at least a fourth space is provided as an empty space in a cabinet to which a plurality of branch breakers to be branched are attached,
  The cabinet is provided with a third space that is attached to the conductive bar so that the plurality of connection terminals penetrate therethrough, and is attached with a sensor block that measures a value of a current flowing through each of the plurality of connection terminals.
  A step of attaching a measurement unit that is electrically connected to the first communication adapter and the sensor block and obtains an electric signal corresponding to the value of the current from the sensor block in the fourth space;
  The first communication adapter communicates with a main controller including at least one of a first controller that controls a device and a second controller that controls the device by communication via a network;
  The measurement unit is electrically connected to the secondary side of the main breaker via a switch and supplied with power via the switch.
  A distribution board production method characterized by the above.   The cabinet is further provided with a fifth space as an empty space,
  Attaching the first communication adapter to the fifth space;
  The distribution board production method according to claim 24.   The cabinet is further provided with a sixth space as an empty space,
  A step of attaching to the sixth space a control unit having at least one of a first control unit for controlling the device and a second control unit for controlling the device by communication via a network;
  The distribution board production method according to claim 24.   The cabinet is further provided with a seventh space as an empty space,
  A step of attaching a second communication adapter that communicates with a power meter having a communication function to the seventh space.
  The method for producing a distribution board according to any one of claims 24 to 26, wherein:   The cabinet is further provided with an eighth space as an empty space,
  A step of attaching a third communication adapter that communicates with at least one of a solar power generation device, a power storage device, and a power conversion device electrically connected to an electric vehicle to the eighth space.
  The production method of the distribution board of any one of Claims 24-27 characterized by the above-mentioned.   The cabinet is further provided with a ninth space as an empty space,
  A step of attaching a fourth communication adapter that communicates with at least one of a gas meter and a water meter to the ninth space.
  The distribution board production method according to any one of claims 24 to 28, wherein:   The cabinet is further provided with a tenth space as an empty space,
  A step of attaching a secondary interconnection breaker that is electrically connected to the conductive bar and electrically connected to the first distributed power source that is not allowed to reverse power flow to the power system in the tenth space;
  The method for producing a distribution board according to any one of claims 24 to 29.   The cabinet is further provided with an eleventh space as an empty space,
  A primary feed terminal block electrically connected to the main breaker in the eleventh space; and a primary interconnection breaker electrically connected to a second distributed power source that allows reverse power flow to the power system; Attaching at least one of
  The distribution board production method according to any one of claims 24 to 30, wherein

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