JP5016330B2 - Branch breaker - Google Patents

Description

  The present invention relates to a branch breaker used for a distribution board for monitoring an energization state.

  When configuring a distribution board system that includes an integrated unit that collects centralized monitoring and collects current information such as the current of each branch circuit in the distribution board and the cause of a trip, the information from each branch circuit can be individually It was necessary to connect and wire, and the inside of the distribution board was complicated, but by using information transmission technology such as power line carrier communication (POWER LINE COMMUNICATIONS) There is no longer a need for wiring.

  However, when an information transmission technique using PLC or the like is used, it is necessary to assign and set a unique address to each branch circuit. As an address setting technique, there is a method in which an address is automatically assigned when a branch breaker is mounted on a distribution board. However, the address setting protocol is complicated, and it is highly functional for address setting. It is necessary to install a control circuit.

  For example, when a short circuit accident occurs in the branch circuit, the integrated unit that performs centralized monitoring notifies the branch circuit where the accident has occurred using an individual address. It is difficult to understand whether this is a branch circuit.

  Further, a branch breaker that sets an address by a manual setting switch is known (for example, see Patent Document 1).

  In addition, a monitoring unit that is attached to an existing distribution board and notifies energization information is known in which an address is set by a manual setting switch (see, for example, Patent Document 2).

However, in the branch breaker as shown in Patent Document 1 and the monitoring unit as shown in Patent Document 2, there is a possibility that the same address may be set in a plurality of branch breakers due to erroneous setting, and address setting It takes time and effort.
JP 2002-95152 A JP-A-4-58416

  The present invention has been made to solve the above-described conventional problems, and provides a branch breaker that can easily perform address setting and address recombination and can prevent duplication of the same address. The purpose is to do.

In order to achieve the above object, a first aspect of the present invention provides a state detection unit including a detection sensor that detects energization information of a plurality of branch circuits and a processing unit that performs arithmetic processing on the energization information detected by the detection sensor. The state detection unit outputs a processing result of the processing unit and individual address information of each branch circuit, thereby identifying which branch circuit the information is from, and a distribution board for monitoring the energization state In the branch breaker used in the above, an address member having the address information and an address detection unit that reads the address information from the address member are provided for each branch circuit by causing the address detection unit to read the address information. so as to set the address, the address member has a structure corresponding to the address information, the address detection unit is the address information from the structure It is obtained by to read the.

According to a second aspect of the present invention, in the branch breaker according to the first aspect, the structure corresponding to the address information has a plurality of slits parallel to the insertion direction of the address member on the leading end side of the address member. And the address detecting unit presses the reed switch at a location where the slit of the address member is not provided, and the contact is turned on. Thus, the address information is read .

The invention according to claim 3, in the branch breaker according to claim 1, wherein the address detection unit, the optical reading of the address information from the address member, in which electrical, or performed by magnetic detection means .

A fourth aspect of the present invention, in the branch breaker according to claim 3, wherein the address element, the address as a corresponding structure to the information, the address member insertion direction through slit which is elongated shape perpendicular to the direction of Alternatively, the address detector reads the address information by detecting the transmitted light of the through slit or the reflected light of the reflective material.

According to a fifth aspect of the present invention, in the branch breaker according to any one of the first to fourth aspects, the address member is mounted by an insertion operation into the branch breaker, and the address member corresponds to address information. Then, the structure changes in the insertion direction, and the address detector reads the address information by detecting the change in the structure in the insertion direction of the address member during the insertion operation of the address member. .

The invention of claim 6, also claim 1 at a branch breaker according to claim 3, wherein the address element, as a structure corresponding to the address information includes a printed circuit board electronic circuit is formed, the address The detection unit reads address information from the printed circuit board.

The invention of claim 7, also claim 1 at a branch breaker according to claim 3, wherein the address element, as a structure corresponding to the address information, an IC chip address information is recorded, the address The detection unit reads address information from the IC chip.

According to an eighth aspect of the present invention, in the branch breaker according to the seventh aspect , the IC chip stores information on a function setting of the breaker and / or a unique ID number. The function is set based on the information.

According to the first aspect of the present invention, it is possible to easily set an address for each branch circuit, and it is also possible to perform grouping or the like by rearranging addresses according to user preferences. In addition, it is possible to prevent the same address from being set to a plurality of branch circuits by mistake. Further, the function of the branch breaker of the present invention can be easily imparted to an existing distribution board without requiring modification on the distribution board side. The address setting is automatically performed by mounting the address member.

According to the invention of claim 2, the slit structure formed in the address member makes it easy to set the address of the branch breaker and recombine the address, and to prevent duplication of the same address.

According to the invention of claim 3 , since the space for indicating the address information in the address member can be narrower than the mechanical reading method, the number of characters representing the address can be increased, and the number of settable addresses is increased. be able to.

According to the fourth aspect of the present invention, since the address member and the address detector are not in contact with each other, there is no wear even when the address member is replaced, and the durability of the address member and the address detector is improved. Further, by providing the address member with a through slit or a reflecting material, the space indicating the address information can be narrowed, and the number of addresses that can be set can be increased.

According to the invention of claim 5 , since the structure of the address member changed corresponding to the address information passes through a predetermined portion of the address detection unit by the insertion operation, the address information can be read by at least one detection sensor. .

According to the sixth aspect of the invention, since the printed circuit board has the address information, it is difficult for the address setting to be tampered with, and the reliability of the address information is improved.

According to the invention of claim 7 , since the IC chip has the address information, it is possible to increase the number of addresses that can be set, and the encryption of the address information and the reading error of the address information. Detection is possible.

According to the invention of claim 8 , it is possible to perform function setting that cannot be set by the function setting switch built in the branch breaker. Moreover, since the change of the function setting by the user can be prevented, safety is improved.

(First embodiment)
A branch breaker according to a first embodiment of the present invention will be described with reference to FIG. FIG. 1 shows the configuration of a distribution board that monitors the energization state in which a branch breaker is used. The distribution board 1 includes a main breaker 2 that receives power from the outside, and a branch breaker 4 that is connected to the main breaker 2 by a power line 3 and branches the power into a plurality of branch circuits. The branch breaker 4 detects the energization information of each branch circuit by the detection sensor 41, and the master unit included in the measurement unit 5 by the slave unit module 42 by the PLC via the power line 3 with the energization information and the address information of the branch breaker 4. Output to module 51. The measurement unit 5 notifies the user of the energization status of the branch circuit based on the signal from the branch breaker 4 received by the parent device module 51.

  FIG. 2 shows the configuration of the branch breaker 4. The branch breaker 4 includes a state detection unit 44 that includes each detection sensor 41 that detects energization information on leakage, current, and contact state, and a processing unit 43 that performs arithmetic processing on the energization information detected by the detection sensor 41. . In addition, an address member 45 having individual address information and an address detection unit 46 that reads the address information from the address member 45 and outputs the address information to the processing unit 43 are provided. The processing unit 43 stores the energization information and the address information. The power is output from the machine module 42 to the parent machine module 51 through the power line 3.

  3A shows the appearance of the branch breaker 4, FIG. 3B shows the appearance of the address member 45, FIG. 3C shows the appearance of the address member 45 and the address detection unit 46, and FIG. d) shows the appearance of the address member 45 inserted into the address detector 46. The branch breaker 4 has a connection portion 471 connected to the power line 3 and a switch lever 472 for turning on / off the connection of the power source to the branch circuit. The address member 45 has a rectangular plate shape, and is inserted into the insertion hole 461 of the branch breaker 4 in the direction of the insertion direction A. On the distal end side of the address member 45, a plurality of slits 451 parallel to the insertion direction A are provided at positions corresponding to address information in the width direction.

  Inside the insertion hole 461, there is an address detection unit 46, and the address detection unit 46 has a plurality of reed switches 462 having a shape parallel to the insertion direction A of the address member 45 corresponding to the width of the address member 45. ing. The reed switch 462 is connected to the contact 463, and the contact 463 is turned on when the reed switch 462 is pressed by the tip of the address member 45 when the address member 45 is inserted. The address member 45 has a recess 452 on the rear end side. When the address member 45 is taken out from the address detection unit 46, the address member 45 can be pulled out by hooking a finger on the recess 452.

  The operation of the branch breaker 4 configured as described above will be described. When setting the address of the branch breaker 4, the address member 45 having the address information to be set is inserted into the insertion hole 461 of the branch breaker 4. At the tip of the address member 45, the address member 45 presses the reed switch 462 and the contact 463 is turned on at a location where the slit 451 is not provided, but the reed switch 462 is provided at a location where the slit 451 is provided. Is not pressed and the contact 463 remains off. The address detector 46 reads the address information of the address member 45 according to the on / off state of the plurality of contacts 463 and sets the address.

  According to the branch breaker 4 of the present embodiment described above, the address setting can be easily and automatically set only by inserting the address member 45 into the insertion hole 461, and the address can be set according to the user's preference. It is also possible to perform grouping or the like by rearranging. Further, since a high-performance control circuit is not required, the cost is low. Further, since the address member 45 has individual address information, the same address is not mistakenly set in a plurality of branch circuits. Further, since the branch breaker 4 has a simple configuration, the function of the branch breaker of the present invention can be easily imparted to an existing distribution board without requiring modification on the distribution board side.

  Address information may be written in the address member 45. Since the address information can be viewed, it is possible to prevent an address setting error, and it is easy to understand which branch circuit each address indicates.

(Second Embodiment)
A branch breaker according to a second embodiment of the present invention will be described. FIG. 4A shows the appearance of the address member inserted into the address detection unit, and FIG. 4B shows the appearance of the address member. The address member 45 has a plurality of through slits 453 arranged in the direction of the insertion direction A, and the through slits 453 have an elongated shape in a direction perpendicular to the insertion direction A. The through slits 453 are arranged in a position corresponding to the address information in the insertion direction A. The address detection unit includes a pair of light emitting elements 464 and a light receiving element 465 near the entrance of the insertion hole, and the light receiving element 465 detects light from the light emitting element 464 that passes through the through slit 453. The light emitting element 464 is, for example, an LED, and the light receiving element 465 is, for example, a photodiode.

  When the address member 45 is inserted into the insertion hole, the light from the light emitting element 464 sequentially passes through the plurality of through slits 453, and the light receiving element 465 detects the transmitted light. The address detector 46 detects a change in the structure of the address member 45 due to the presence or absence of the through slit 453 from the detected transmitted light, and reads the address information.

  According to the branch breaker 4 of the present embodiment described above, since the space indicating the address information in the address member 45 can be narrower than the mechanical reading method of the address information as in the first embodiment, the address is represented. The number of characters can be increased, and the number of addresses that can be set can be increased. Further, since the address member 45 and the address detection unit 46 are not in contact with each other, there is no wear due to contact even when the address member 45 is replaced, and the durability of the address member 45 and the address detection unit 46 is improved.

  Further, since the change in the structure of the address member 45 is read during the insertion operation of the address member 45, the address information can be read by at least one detection sensor, and the cost can be reduced.

  In the address detection unit 46, a plurality of light emitting elements 464 and light receiving elements 465 may be arranged in the insertion direction A and correspond to the through slit 453. The reading accuracy can be improved.

  Instead of providing the through slit 453 in the address member 45, a reflective material may be arranged in parallel in the insertion direction A corresponding to the address information, and the address detection unit 46 may detect the reflected light. Further, a magnetic material may be provided in parallel with the address member 45 to detect magnetism. The same effect as using the through slit 453 can be obtained.

(Third embodiment)
A branch breaker according to a third embodiment of the present invention will be described. 5A shows the appearance of the address member, and FIG. 5B shows a side view of the address member. The address member 45 includes a chip resistor 455 and a connection terminal 456, and includes a printed board 454 on which an electronic circuit corresponding to address information is formed. FIG. 6 shows an example of an electronic circuit of the printed circuit board 454 and a measurement side circuit of the address detection unit 46. In the electronic circuit, a resistor R1 and a resistor R2 which are chip resistors 455 corresponding to address information are connected in series, both ends of the resistors R1 and R2 connected in series, and a connecting portion of the resistors R1 and R2 Are connected to the connection terminal 456, respectively. The measurement side circuit of the address detection unit 46 includes a DC power source 466 and a voltmeter 467. A voltage is applied to both ends of the connected resistors R1 and R2 by the DC power source 466, and the voltage divided by the resistor R1 is divided into voltages. Measured with a total of 467. The address information is read by this voltage measurement.

  Since the printed circuit board has address information, it is difficult for the address information to be tampered with, and the reliability of the address information is improved.

  The electronic circuit of the printed circuit board 454 may be formed using electronic components other than the chip resistor 455. The amount of information can be increased and the reliability of reading address information can be improved.

(Fourth embodiment)
A branch breaker according to a fourth embodiment of the present invention will be described. FIG. 7 shows the appearance of the address member. The address member 45 includes a printed circuit board 454, and includes an IC chip 457 in which address information is recorded, an electronic component 458 such as a resistor, a connection terminal 456, and the like. Driving power is supplied through the connection terminal 456 and signals are transmitted to and received from the address detection unit. The address detection unit has a reader and reads address information from the IC chip 457.

  Since the IC chip 457 has address information, it is possible to increase the number of addresses that can be set, and it is possible to encrypt address information and to detect address information reading errors. Since the IC chip 457 is used, it is possible to perform function setting that cannot be set by the function setting switch built in the branch breaker. Moreover, since the change of the function setting by the user can be prevented, safety is improved.

  In addition, this invention is not restricted to the structure of the said various embodiment, A various deformation | transformation is possible in the range which does not change the meaning of invention. For example, the IC chip 457 may be a non-contact type and the connection terminal 456 may be omitted. A driving power source is not required, and reading errors due to poor contact can be prevented.

The block diagram of the distribution board using the branch breaker which concerns on the 1st Embodiment of this invention. The block diagram of the branch breaker. (A) is a perspective view of the branch breaker, (b) is a perspective view of an address member of the branch breaker, (c) is a perspective view of an address member and an address detector, and (d) is an address member in the address detector. The perspective view of the state inserted. (A) is a perspective view in the state in which the address member based on the 2nd Embodiment of this invention was inserted in the address detection part, (b) is a perspective view of the address member. (A) is a perspective view of the address member which concerns on the 3rd Embodiment of this invention, (b) is a side view of the address member. The circuit diagram of the printed circuit board of the same address member, and an address detection part. The perspective view of the address member which concerns on the 4th Embodiment of this invention.

Explanation of symbols

1 Distribution board 4 Branch breaker 41 Detection sensor 43 Processing unit 44 State detection unit 45 Address member 453 Through slit (through hole)
454 Printed circuit board 457 IC chip 46 Address detection unit

Claims (8)

A state detection unit having a detection sensor for detecting each energization information of a plurality of branch circuits, and a processing unit for calculating and processing the energization information detected by the detection sensor, wherein the state detection unit includes a processing result of the processing unit; By outputting the individual address information of each branch circuit, it is possible to specify which branch circuit the information is from, and in the branch breaker used for the distribution board that monitors the energization state,
An address member having the address information;
An address detector for reading address information from the address member,
An address is set for each branch circuit by causing the address detection unit to read the address information, and the address member has a structure corresponding to the address information, and the address detection unit receives the address information from the structure. Branch breaker characterized by reading .   The structure corresponding to the address information is a slit structure in which a plurality of slits parallel to the insertion direction of the address member are provided at positions corresponding to the address information in the width direction on the distal end side of the address member,
  2. The address detection unit according to claim 1, wherein the address detection unit reads the address information when the address member is not provided with the slit, and the address member presses the reed switch and the contact is turned on. Branch breaker. 2. The branch breaker according to claim 1, wherein the address detection unit reads address information from the address member by an optical, electrical, or magnetic detection unit. 3. The address member, a structure corresponding to the address information, the address member insertion direction perpendicular to the elongated shape and going on through slit, or has a reflective material, wherein the address detection unit, said through slit The branch breaker according to claim 3 , wherein the address information is read by detecting transmitted light or reflected light of the reflecting material. The address member is mounted by an insertion operation into the branch breaker,
The address member has a structure that changes in the insertion direction corresponding to the address information,
The address detection unit, upon insertion operation of the address member, by detecting a change in the structure in the insertion direction of the address member, any one of claims 1 to 4, characterized in that reading the address information Branch breaker according to item. The address member, a structure corresponding to the address information includes a printed circuit board electronic circuit is formed, the address detection unit, according to claim 1 or claim, wherein reading the address information from the printed circuit board Item 4. The branch breaker according to item 3 . The address member, a structure corresponding to the address information, an IC chip address information is recorded, the address detection unit, according to claim 1 or claim, wherein reading the address information from the IC chip Item 4. The branch breaker according to item 3 . The IC chip stores breaker function settings and / or information on unique ID numbers, and the address detection unit reads the information and sets functions based on the information. The branch breaker according to claim 7 .

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