Abstract: Provided is an electrical junction box including a substrate on which fixed fuses and replaceable fuses are mounted. The substrate includes a first part to which the fixed fuses are soldered, and a second part that excludes the first part. The first part and the second part are separable from each other.

Abstract: A connector module that is provided with an input port and an output port that are configured to be connected to an external member, and is to be mounted on a substrate, the connector module including: a bus bar that is separated from the substrate and connects a terminal of the input port and a terminal of the output port to each other; and an insulating member that is interposed between the bus bar and the substrate.

Abstract: An electrical connection box includes a substrate on which a fuse element including terminals is mounted, and a case member in which the substrate is housed. Through holes pass through the substrate in the thickness direction, the terminals of the fuse element are inserted into the through holes on one surface side of the substrate and protrude from the other surface side, and the protruding portions of the terminals are in contact with the case member.

Abstract: Provided is an electrical connection box cover for covering a plurality of insertion ports for fuses of an insertion housing in which a plurality of rows of the insertion ports arranged side by side in one direction are provided in a stepped shape, the electrical connection box cover including a flat opposing wall that opposes the insertion ports when the electrical connection box cover is attached to the electrical connection box.

Abstract: Provided is an electrical junction box for use in a vehicle that includes: a fit-in housing in which a plurality of fuses are fitted from one side; and a plurality of fuse terminals that connect the fuses fitted in the fit-in housing to a substrate, the electrical junction box comprising a holding body that is plate-shaped, is arranged so as to be opposed to an opposite surface of the fit-in housing that is opposite to the one side, and holds one-end portions of the fuse terminals that are close to the fit-in housing. The remaining portions of the fuse terminals other than the one-end portions are not held and are released.

Abstract: Provided is an electrical connection box in which a greater number of fuses can be inserted while suppressing an increase in size. An electrical connection box for a vehicle includes: an insertion housing that has a rectangular open port on one side and in which a plurality of rectangular insertion holes into which fuses are to be respectively inserted are provided facing the open port; a first insertion hole row in which a plurality of the insertion holes are provided side by side in a lengthwise direction of the open port, with long sides of the insertion holes adjacent to each other; and a second insertion hole row in which a plurality of the insertion holes are provided side by side in the lengthwise direction of the open port, with short sides of the insertion holes adjacent to each other.

Abstract: An electrical connection box includes a box body for accommodating an electrical part, and one or a plurality of connection terminals provided on at least one surface of the box body, in which the box body has a lid body provided on one surface different from the one surface on which the connection terminal is provided, the lid body has a shape of a polygonal plate, and a flow path for a liquid is provided along at least one side of the lid body on the inner surface side of the lid body. The flow path may be defined by a first wall erected on the inner surface side of the lid body along an edge of the one side of the lid body, and a second wall separated from the first wall and erected on the inner surface side of the lid body along the first wall.

Abstract: Provided is an electrical connection box according to which it is possible to easily handle a substrate and a fuse module. An electrical connection box for a vehicle includes: an insertion housing into which a plurality of fuses are to be inserted; a plurality of fuse terminals each having one end portion inserted into a surface of the insertion housing, the fuse terminals connecting the fuses to a substrate; and a holding member that is arranged opposing the one surface of the insertion housing and holds the fuse terminals. The holding member includes a gripping portion provided on a side opposite to the insertion housing, and the gripping portion has a finger placement portion used for gripping.

Abstract: Provided is an electrical connection box into which a greater number of fuses can be inserted without increasing its size. An electrical connection box for a vehicle includes: an insertion housing into which multiple fuses are to be inserted through an open port on one side; multiple fuse terminals for connecting the fuses in the insertion housing to a substrate; a plate-shaped holding member that opposes the insertion housing from a side opposite to the one side of the insertion housing, and holds the multiple fuse terminals; and a case member that includes a flat plate portion for covering the multiple fuse terminals and has a notch that is formed in the covering portion, the holding member being arranged inside of the notch.

Abstract: Provided is an electrical connection box according to which it is possible to suppress the occurrence of mistakes in a manufacturing process, and it is possible to reliably prevent the occurrence of faulty products. The electrical connection box to be used in a vehicle includes a terminal having an inner-fitting plate portion that is fit into and held in a slit of a holding member; and multiple substrate connection portions that protrude along a surface of the inner-fitting plate portion from one side edge of the inner-fitting plate portion. The terminal has a shape that is asymmetrical in a direction in which the multiple substrate connection portions are arranged side by side.

Abstract: Provided is an electrical connection box according to which it is possible to suppress the occurrence of mistakes in a manufacturing process, and it is possible to reliably prevent the occurrence of faulty products. The electrical connection box to be used in a vehicle includes a terminal having an inner-fitting plate portion that is fit into and held in a slit of a holding member; and multiple substrate connection portions that protrude along a surface of the inner-fitting plate portion from one side edge of the inner-fitting plate portion. The terminal has a shape that is asymmetrical in a direction in which the multiple substrate connection portions are arranged side by side.

Abstract: Provided is an electrical connection box into which a greater number of fuses can be inserted without increasing its size. An electrical connection box for a vehicle includes: an insertion housing into which multiple fuses are to be inserted through an open port on one side; multiple fuse terminals for connecting the fuses in the insertion housing to a substrate; a plate-shaped holding member that opposes the insertion housing from a side opposite to the one side of the insertion housing, and holds the multiple fuse terminals; and a case member that includes a flat plate portion for covering the multiple fuse terminals and has a notch that is formed in the covering portion, the holding member being arranged inside of the notch.

Abstract: Provided is an electrical connection box in which a greater number of fuses can be inserted while suppressing an increase in size. An electrical connection box for a vehicle includes: an insertion housing that has a rectangular open port on one side and in which a plurality of rectangular insertion holes into which fuses are to be respectively inserted are provided facing the open port; a first insertion hole row in which a plurality of the insertion holes are provided side by side in a lengthwise direction of the open port, with long sides of the insertion holes adjacent to each other; and a second insertion hole row in which a plurality of the insertion holes are provided side by side in the lengthwise direction of the open port, with short sides of the insertion holes adjacent to each other.

Abstract: Provided is an electrical connection box according to which it is possible to easily handle a substrate and a fuse module. An electrical connection box for a vehicle includes: an insertion housing into which a plurality of fuses are to be inserted; a plurality of fuse terminals each having one end portion inserted into a surface of the insertion housing, the fuse terminals connecting the fuses to a substrate; and a holding member that is arranged opposing the one surface of the insertion housing and holds the fuse terminals. The holding member includes a gripping portion provided on a side opposite to the insertion housing, and the gripping portion has a finger placement portion used for gripping.

Abstract: A cover structure that includes a base that is attached to a circuit substrate of an electric connection box on which an electrical component is mounted, the base being used as a receptacle for a cable that is to be electrically connected to the electrical component; and a housing that houses the circuit substrate.

Abstract: A cover structure that includes a base that is attached to a circuit substrate of an electric connection box on which an electrical component is mounted, the base being used as a receptacle for a cable that is to be electrically connected to the electrical component; and a housing that houses the circuit substrate.

Abstract: Provided is an onboard load control device and a computer program that can reliably detect and extinguish an arc discharge occurring between a pair of terminals of a connector. Arc discharges are caused in advance between terminals of a connector 2 that relays connection to onboard loads, a wireless detection unit receives electromagnetic waves generated due to the arc discharges, and detects frequency distributions of received intensities, and the detected frequency distributions are stored in a ROM in association with the respective onboard loads. Thereafter, frequency distributions that are acquired by the wireless detection unit chronologically are compared with the frequency distributions stored in the ROM, and the electric current flowing to the onboard load that corresponds to the matching frequency distributions is interrupted.

Abstract: Provided is a circuit structure using a printed-circuit board with a novel structure that can provide a plurality of types of circuit specifications by switching connection of circuit patterns, allows circuit specifications to be easily identified, and achieves excellent connection workability and connection stability for circuit patterns. The circuit structure includes: a printed-circuit board 18 on which a plurality of circuit patterns are provided; and a circuit switching component, wherein the circuit switching component includes bus bar support bases on which any connection bus bars selected can be mounted and held, the plurality of types of connection bus bars are classified according to the number and the position of lead portions to be electrically connected to connection points, and a plurality of types of circuit specifications are provided by changing a mounting mode of the connection bus bars to the bus bar support bases.

Abstract: Provided is a circuit structure using a printed-circuit board with a novel structure that can provide a plurality of types of circuit specifications by switching connection of circuit patterns, allows circuit specifications to be easily identified, and achieves excellent connection workability and connection stability for circuit patterns. The circuit structure includes: a printed-circuit board 18 on which a plurality of circuit patterns are provided; and a circuit switching component, wherein the circuit switching component includes bus bar support bases on which any connection bus bars selected can be mounted and held, the plurality of types of connection bus bars are classified according to the number and the position of lead portions to be electrically connected to connection points, and a plurality of types of circuit specifications are provided by changing a mounting mode of the connection bus bars to the bus bar support bases.

Abstract: Provided is a drainage structure for an electrical connection box capable of preventing an internal circuit board from getting wet even if water has entered. An electrical connection box main body is mounted on a vehicle wherein a main body-side connector is located on an upper side and protrudes from an opening in a horizontal direction, and a protruding end portion of a housing peripheral wall of a lateral electrical component attaching portion protrudes to the outside from a lateral window, the lateral electrical component attaching portion protrudes laterally from on a side edge portion of a circuit board. A first drainage channel is provided inside the electrical connection box main body, and a second drainage channel extends downward and having an upper end portion connected to the first drainage channel in the protruding end portion of the housing peripheral wall of the lateral electrical component attaching portion.