Abstract: A method of connecting an electric element (20) to a switch part (10) provided with a fixed contact (11a), i.e., an example of a first contact, a first terminal (12) connected to the fixed contact (11a) and exposed out of the switch part (10), a movable contact (11b), i.e., an example of a second contact, capable of moving to a position at which the movable contact (11b) is in contact with the fixed contact (11a) and a position at which the movable contact (11b) is spaced apart from the fixed contact (11a), and a second terminal (13) connected to the movable contact (11b) and exposed out of the switch part (10) includes: connecting the electric element (20) in parallel to the fixed contact (11a) and the movable contact (11b) between the first terminal (12) and the second terminal (13).

Abstract: A thermal protector includes: a first terminal and a second terminal that are provided at both ends in a longitudinal direction and connected to an external circuit; an insulation block that holds the first terminal and the second terminal; a fixed contact and a movable contact capable of coming into contact with each other; a movable plate having the movable contact provided at a leading end; and a bimetal engaged with the movable plate. Each of the first terminal and the second terminal has a main body, an extension, and a slit. The main body of the first terminal and the main body of the second terminal lie in a first plane, and a fixed contact support part of the extension and a movable plate support part of the extension lie in a second plane. An angle formed by the first plane and the second plane is an acute angle.

Abstract: At a contact switch, an arc generated between two contacts is controlled. An arc binding mechanism 100 includes: a first contact 111 and a second contact 121 that are capable of being contacted and separated; and a substantially ring-shaped arc binder 130 that is made of a magnetic material, is electrically insulated from a circuit including the first contact and the second contact, has an axis in parallel with a direction of a gap between the first contact and the second contact in a case in which the first contact and the second contact are in a non-contact state, and is provided so as to encircle the gap.

Abstract: An electronic device (10) includes: a power supply (11); a first switch (12) that is connected at least to one pole of the power supply (11) and interrupts power supplied from the power supply (11) to a load (13); a second switch (14) that is positioned on a load (13) side with reference to the first switch (12) and interrupts power supplied from the power supply (11) to the load (13); a first power line (L11) that is connected to one end portion of an electric contact of the second switch (14), the one end portion being located on a first-switch (12) side; a second power line (L12) that is connected to another end portion of the electric contact of the second switch (14); a third power line (L13) that is connected to another pole of the power supply (11); and an electric element (resistor 15) that is connected between the first and second power lines (L11, L12) in parallel to the electric contact or connected between the first and third power lines (L11, L13), such that the electric contact of the second swi

Abstract: A temperature switch includes an elastically deformable movable plate, a movable contact on the movable plate, a fixed contact facing the movable contact, a thermally deformable member, a vibration suppression section, and a cover. The thermally deformable member is elastically deformed in accordance with a temperature change to elastically deform the movable plate such that the movable contact is in contact with the fixed contact or spaced apart from the fixed contact. The vibration suppression section suppresses vibrations of the movable plate by contacting a fixed-edge side when the movable plate is elastically deformed to shift the movable plate from being in contact with the fixed contact to being spaced apart therefrom. The cover surrounds the movable and fixed contacts, and the vibration suppression section is a projecting section provided on the cover.

Abstract: A method of manufacturing an electric contact includes a welding step of welding a contact material (12) to a base material (11), and a crushing step of crushing the contact material (12), wherein one or more absorption holes (11a and 11b) that absorb deformation of the base material (11) in a thickness direction (Z direction) caused by the crushing of the contact material (12) are formed around the welding position of the contact material (12) on the base material (11).

Abstract: A temperature switch includes a temperature detection unit configured to detect a temperature so as to move a movable contact to a position that is in contact with a fixed contact and to a position that is separated from the fixed contact, a first lead wire that is connected to the fixed contact and that includes a covering member, a second lead wire that is connected to the movable contact and that includes a covering member, and a first-insulation-case member and a second-insulation-case member each of which includes a first-lead-wire concave portion and a second-lead-wire concave portion, and which are fit into each other so as to form accommodation space S that accommodates the temperature detection unit, the movable contact, and the fixed contact, where first-lead-wire concave portion accepts insertion of the covering member of the first lead wire and the second-lead-wire concave portion accepts insertion of the covering member of the second lead wire.

Abstract: A temperature actuated switch (1) includes: first and second temperature sensing sections (10, 20) that each include a contact (12, 22) and a thermally deformable member (first bimetal 11, second bimetal 21) that is bent in accordance with a temperature rise from a normal temperature in a manner such that the contacts (12, 22) shift from an open state to a connected state, the contacts (12, 22) being provided on a free-end side and located on the individual surfaces of the first and second temperature sensing sections that face each other; first, second, and third terminals (31, 32, 33) connected to an external circuit; and an insulation section (40) that maintains the first, second, and third terminals (31, 32, 33) in an insulated state, wherein the first temperature sensing section (10) includes first and second regions (A1, A2) with a slit (13) that extends from a fixed-end side to the free-end side provided therebetween, the first terminal (31) is connected to the first region (A1), the second terminal (3

Abstract: An electronic device (10) includes: a power supply (11); a first switch (12) that is connected at least to one pole of the power supply (11) and interrupts power supplied from the power supply (11) to a load (13); a second switch (14) that is positioned on a load (13) side with reference to the first switch (12) and interrupts power supplied from the power supply (11) to the load (13); a first power line (L11) that is connected to one end portion of an electric contact of the second switch (14), the one end portion being located on a first-switch (12) side; a second power line (L12) that is connected to another end portion of the electric contact of the second switch (14); a third power line (L13) that is connected to another pole of the power supply (11); and an electric element (resistor 15) that is connected between the first and second power lines (L11, L12) in parallel to the electric contact or connected between the first and third power lines (L11, L13), such that the electric contact of the second swi

Abstract: A thermal protector includes, in a fixed manner, a first terminal and a second terminal that are respectively connected to external circuits, at lower left/right ends of the longitudinal directions of a base, and a right end at which a movable plate and a bimetal are superimposed is fixed to the right end of the upper surface of the base and is connected to the second terminal. A fixed contact is fixed to an internal end of the first terminal that is exposed in the left end of the base. A movable contact is fixed at a position facing the fixed contact on the lower surface of the left end of the movable plate. A partition wall that encloses the movable contact and the fixed contact from three directions is provided and bent plate planes are formed on both sides of the movable plate in the vicinity of the movable contact. The bent plate planes adjust the flow direction of hot air in cooperation with the partition wall so as to prevent a malfunction of a breaking arc flying to surrounding conductive members.

Abstract: A thermal protector may be used to switch an electric circuit of an electrical product. The thermal protector may include first and second terminals and a fixed contact connected to the first terminal. The thermal protector may include a movable contact facing the fixed contact. The thermal protector may include a bimetal and an elastically-deformable movable plate that engages the bimetal and on which the movable contact is fixed. The movable plate may be connected to the second terminal. The terminals may be held by respective insulating blocks. The bimetal or the moveable plate may be arranged to be within an area between the respective insulating blocks.

Abstract: A temperature switch 1 includes first terminal unit 2 having a first terminal 5 and a first fixed contact 6, a switch body unit 3 including a bimetal element 22 in which both ends engage a movable plate 15 holding, via an tongue portion 17, first and second fixed contacts 6 and 8 arranged in an internal center portion of an insulation material 10 at prescribed intervals and also holding a movable contact 18 arranged above them, and a second terminal unit 4 having a second terminal 7 and the second fixed contact 8. The first terminal unit 2, the switch body unit 3, and the second terminal unit 4 are sequentially arranged in line. At an ambient temperature, the bimetal element 22 deforms into a convex shape in the contact direction so as to push out the tongue portion 17 and the movable contact 18 at the center of the convex shape, and the movable contact 18 is closed with respect to the first and second fixed contacts 6 and 8 so that a current flows between the first and second terminals 5 and 7.

Abstract: A temperature detection element of a temperature sensor is connected to a print wire and three print wires for an input and output of a print substrate, one end of a lead wire for a connection is connected and fixed with solder to an external circuit for connection electrodes of the print wire, and the other end is externally drawn out of a sealing member of a hardened resin. Within the housing, the entire bottom surface of the print substrate is supported by a lower fixed member, and an end, closer to an opening part of the housing, of the print substrate, is sandwiched and fixed by an upper fixed member and the lower fixed member. The housing is configured with the same material and size as the housing of the temperature control element, and the temperature detection element inside is placed at a position approximated to a placement of a thermal response element of the temperature control element.

Abstract: A base member includes a terminal fixing part for blocking an entire surface of an opening part of a housing at a position further inner than an opening end part of the housing when the base member is inserted in the housing. A first electrode part formed by a tip part of two bent stages that are composed of a horizontal part, a vertical part, and a horizontal part and configured by bending a portion of a part of the fixed side fixed a conductive member, which is continuous with a first external connection terminal, in a direction perpendicular to a continuous direction.

Abstract: A thermal protector has superiority in current responsiveness or thermal responsiveness with a simple configuration that does not need a separate manufacturing step of incorporating a resistor. At a stage of press processing for cutting from an original material, a movable plate body part of a movable plate is partitioned into a narrow-width part and a wide-width part by a slim hole. The movable plate is assembled to a fixed conductor with columns of an insulator, a bimetal is assembled to the movable plate, the entire configuration is pressed down by a resinous block, and the entire fixing part is fixed by melting tips of the columns. The wide-width part serves as a normal movable plate, whereas the narrow-width part serves as a conductor in a normal state and as a resistor against an overcurrent.

Abstract: A thermal protector has superiority in current responsiveness or thermal responsiveness with a simple configuration that does not need a separate manufacturing step of incorporating a resistor. At a stage of press processing for cutting from an original material, a movable plate body part of a movable plate is partitioned into a narrow-width part and a wide-width part by a slim hole. The movable plate is assembled to a fixed conductor with columns of an insulator, a bimetal is assembled to the movable plate, the entire configuration is pressed down by a resinous block, and the entire fixing part is fixed by melting tips of the columns. The wide-width part serves as a normal movable plate, whereas the narrow-width part serves as a conductor in a normal state and as a resistor against an overcurrent.

Abstract: A temperature detection element of a temperature sensor is connected to a print wire and three print wires for an input and output of a print substrate, one end of a lead wire for a connection is connected and fixed with solder to an external circuit for connection electrodes of the print wire, and the other end is externally drawn out of a sealing member of a hardened resin. Within the housing, the entire bottom surface of the print substrate is supported by a lower fixed member, and an end, closer to an opening part of the housing, of the print substrate, is sandwiched and fixed by an upper fixed member and the lower fixed member. The housing is configured with the same material and size as the housing of the temperature control element, and the temperature detection element inside is placed at a position approximated to a placement of a thermal response element of the temperature control element.

Abstract: A thermal protector for opening and closing an electric circuit, includes: a movable plate having a movable contact point mounted on a one end portion thereof and having a terminal mounted on an opposite end portion thereof; a bypass member joined to the movable plate at the end portions of the movable plate on which the movable contact point and the terminal are mounted; and a thermal responsive element for moving the movable contact point of the movable plate by a snap action thereof to open and close the electric circuit, wherein the bypass member is formed of a first metal material having a higher conductivity than a second metal material of which the movable plate is formed, and the movable plate and the bypass member are joined together and are subjected to heat treatment so that the first metal material of the bypass member is softened while the second metal material of the movable plate is precipitation-hardened.

Abstract: A motor protector of the present invention includes: a serial current path that is formed between a first terminal and a second terminal and that sequentially connects a fixed contact, the first terminal, a movable contact, a movable plate holding a bimetallic element, an intermediate fixing plate, a first electrode section, a first resistor, a second electrode section, and the second terminal, the fixed contact being held by a base member stored in an insulating resin case that includes an opening sealed by the sealing member; and a parallel current path that is formed between the first terminal and the intermediate fixing plate and that sequentially connects the first terminal, a conductive bottom plate, a second resistor (PTC) 19, and the intermediate fixing plate, wherein, after the first resistor produces heat due to an excessive current and the bimetallic element is thus thermally activated, thereby opening a contact, a current-interrupted state is also maintained because the high resistance of the PTC

Abstract: A thermal protector has superiority in current responsiveness or thermal responsiveness with a simple configuration that does not need a separate manufacturing step of incorporating a resistor. At a stage of press processing for cutting from an original material, a movable plate body part 16 of a movable plate 4 is partitioned into a narrow-width part 17 and a wide-width part 18 by a slim hole 19. The movable plate 4 is assembled to a fixed conductor 2 with columns 9 of an insulator 3, a bimetal 5 is assembled to the movable plate 4, the entire configuration is pressed down by a resinous block 6, and the entire fixing part is fixed by melting tips of the columns 9. The wide-width part 18 serves as a normal movable plate, whereas the narrow-width part 17 serves as a conductor in a normal state and as a resistor against an overcurrent.