Abstract: A relay includes an insulating cover having a contact chamber and a pair of first through holes in communication with the contact chamber; a pair of static contact leading-out terminals passing through the pair of first through holes, respectively; a fixing member within the contact chamber and fixedly connected with the insulating cover; a moving part within the contact chamber and movably connected to the fixing member; a first magnetizer within the contact chamber and connected with the moving part; and a movable member movably within the contact chamber and including a movable contact piece. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A high-voltage DC relay convenient for quick assembly includes a housing, and load leading-out terminals, coil leading-out terminals and auxiliary leading-out terminals being provided with a connecting part for electrical connection with an external component. The connecting parts are respectively exposed to the housing; the connecting part of the load leading-out terminal is arranged at a top end of the housing; and the connecting parts of the coil leading-out terminal and the auxiliary leading-out terminal is arranged at a bottom end of the housing. Each connecting part has a welding plane for electrical connection with a corresponding one of the external components through quick welding. The present disclosure can realize the rapid welding assembly of products, maximize production efficiency of assembly and welding, and has characteristics of simple structure, low manufacturing cost and reliable electrical connection.

Abstract: A high-voltage DC relay convenient for quick assembly includes a housing, and load leading-out terminals, coil leading-out terminals and auxiliary leading-out terminals being provided with a connecting part for electrical connection with an external component. The connecting parts are respectively exposed to the housing; the connecting part of the load leading-out terminal is arranged at a top end of the housing; and the connecting parts of the coil leading-out terminal and the auxiliary leading-out terminal is arranged at a bottom end of the housing. Each connecting part has a welding plane for electrical connection with a corresponding one of the external components through quick welding. The present disclosure can realize the rapid welding assembly of products, maximize production efficiency of assembly and welding, and has characteristics of simple structure, low manufacturing cost and reliable electrical connection.

Abstract: A high-voltage DC relay convenient for quick assembly includes a housing, and load leading-out terminals, coil leading-out terminals and auxiliary leading-out terminals being provided with a connecting part for electrical connection with an external component. The connecting parts are respectively exposed to the housing; the connecting part of the load leading-out terminal is arranged at a top end of the housing; and the connecting parts of the coil leading-out terminal and the auxiliary leading-out terminal is arranged at a bottom end of the housing. Each connecting part has a welding plane for electrical connection with a corresponding one of the external components through quick welding. The present disclosure can realize the rapid welding assembly of products, maximize production efficiency of assembly and welding, and has characteristics of simple structure, low manufacturing cost and reliable electrical connection.

Abstract: The present disclosure discloses a high-voltage DC relay comprising a cover, a main contact leading-out terminal, a coil bobbin, an auxiliary contact leading-out terminal and a coil leading-out terminal, wherein the cover and the coil bobbin are arranged up and down; two main contact leading-out terminals and two auxiliary contact leading-out terminals are respectively fixed on a top wall of the cover and their bottom ends respectively extend into a cavity of the cover; a winding shaft of the coil bobbin is vertically arranged; the coil leading-out terminal is mounted in a flange of the coil bobbin; the high-voltage DC relay also comprises a first connecting assembly and a second connecting assembly, wherein the first connecting assembly is composed of a first plastic element and a first conductive element, the second connecting assembly is composed of a second plastic element and a second conductive element.

Abstract: A high-voltage DC relay convenient for quick assembly includes a housing, and load leading-out terminals, coil leading-out terminals and auxiliary leading-out terminals being provided with a connecting part for electrical connection with an external component. The connecting parts are respectively exposed to the housing; the connecting part of the load leading-out terminal is arranged at a top end of the housing; and the connecting parts of the coil leading-out terminal and the auxiliary leading-out terminal is arranged at a bottom end of the housing. Each connecting part has a welding plane for electrical connection with a corresponding one of the external components through quick welding. The present disclosure can realize the rapid welding assembly of products, maximize production efficiency of assembly and welding, and has characteristics of simple structure, low manufacturing cost and reliable electrical connection.

Abstract: The present disclosure a pressure detection device, a sheath tube and a perfusion and suction system. The pressure detection device comprises a housing and a pressure detection assembly. the housing has a piezometric cavity and a mounting cavity, the piezometric cavity has an air inlet for communicating with a piezometric interface of the sheath tube and a vent hole for communicating with the outside, and a switch is arranged at the vent hole; and the pressure detection assembly is arranged in the mounting cavity and includes a gauge pressure sensor, a voltage regulating circuit, an operational amplifier circuit and a conversion circuit; the gauge pressure sensor, the voltage regulating circuit and the operational amplifier circuit are electrically connected with the conversion circuit, and the gauge pressure sensor is used for converting a pressure signal in the piezometric cavity into a voltage signal.

Abstract: The present disclosure provides a perfusion and suction system, the host controller thereof is configured to execute a constant pressure regulation method including the following steps. A pressure detection device collects the pressure in a cavity and transmits it to the host controller, the host controller adjusts perfusion and suction parameters according to the real-time monitored pressure value and the data change trend of the pressure value, so that the current pressure in the cavity is balanced at a pressure control value, thus realizing a balance state between perfusion and suction; the perfusion parameters include a perfusion flow gear, and the suction parameters include an opening threshold of a relief valve and a suction pressure threshold; the suction pressure threshold is a suction pressure threshold of the suction container preset by the host controller, and the on-off of the suction pump is controlled by setting the suction pressure threshold.

Abstract: A relay includes a pair of static contact leading-out terminals; a movable contact assembly including a movable contact piece are configured to contact with or separate from the pair of static contact leading-out terminals along a first direction; the movable contact assembly has a first and a second side surfaces along a third direction; wherein a moving direction of the movable contact piece, the first direction, and the third direction are perpendicular with each other; a push rod assembly including a contact bracket; the contact bracket has a first side wall corresponding to the first side surface and a second side wall corresponding to the second side surface along the third direction; and an anti-rotation structure including a first anti-rotation piece located between the first side wall and the first side surface and a second anti-rotation piece located between the second side wall and the second side surface.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes; a pair of static contact leading-out terminals respectively passing through the through holes; a moving part; a first magnetizer within the contact chamber and including a plurality of magnetic conductive sheets stacked with each other, the magnetic conductive sheets are connected with the moving part; and a movable member including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer can be movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes, a pair of static contact leading-out terminals respectively passing through the pair of first through holes, a moving part, a first magnetizer within the contact chamber and connected with the moving part; and a movable member including a movable contact piece and a second magnetizer. The movable contact piece may contact with or separate from the pair of static contact leading-out terminals. The first and second magnetizers are arranged at opposite sides of the movable contact piece and formed a magnetic circuit. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the second magnetizer according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes an insulating cover having a contact chamber and a pair of first through holes in communication with the contact chamber; a pair of static contact leading-out terminals passing through the pair of first through holes, respectively; a fixing member within the contact chamber and fixedly connected with the insulating cover; a moving part within the contact chamber and movably connected to the fixing member; a first magnetizer within the contact chamber and connected with the moving part; and a movable member movably within the contact chamber and including a movable contact piece. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes in communication with the contact chamber, a pair of static contact leading-out terminals passing through the pair of first through holes, respectively, a moving part movable relative to the contact container, a first magnetizer within the contact chamber and connected with the moving part; and a movable member within the contact chamber and including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer is movable relative to the movable contact piece through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: The present disclosure discloses a high-voltage DC relay comprising a cover, a main contact leading-out terminal, a coil bobbin, an auxiliary contact leading-out terminal and a coil leading-out terminal, wherein the cover and the coil bobbin are arranged up and down; two main contact leading-out terminals and two auxiliary contact leading-out terminals are respectively fixed on a top wall of the cover and their bottom ends respectively extend into a cavity of the cover; a winding shaft of the coil bobbin is vertically arranged; the coil leading-out terminal is mounted in a flange of the coil bobbin; the high-voltage DC relay also comprises a first connecting assembly and a second connecting assembly, wherein the first connecting assembly is composed of a first plastic element and a first conductive element, the second connecting assembly is composed of a second plastic element and a second conductive element.

Abstract: The present disclosure discloses a high-voltage DC relay with an auxiliary contact. The high-voltage DC relay includes a cover, a main contact leading-out terminal, a pushing rod assembly, a main movable contact piece, an auxiliary contact leading-out terminal and an auxiliary movable contact piece. The main contact leading-out terminal and the auxiliary contact leading-out terminal are respectively fixed on a top wall of the cover and their bottom ends respectively extend into a cavity of the cover. The main movable contact piece and the auxiliary movable contact piece are respectively matched with corresponding bottom ends of the main contact leading-out terminal and the auxiliary contact leading-out terminal. Two auxiliary contact leading-out terminals are arranged on both sides of a connecting line between two main contact leading-out terminals, and the auxiliary movable contact piece is also connected with a plastic body.

Abstract: A high-voltage DC relay convenient for quick assembly includes a housing, and load leading-out terminals, coil leading-out terminals and auxiliary leading-out terminals being provided with a connecting part for electrical connection with an external component. The connecting parts are respectively exposed to the housing; the connecting part of the load leading-out terminal is arranged at a top end of the housing; and the connecting parts of the coil leading-out terminal and the auxiliary leading-out terminal is arranged at a bottom end of the housing. Each connecting part has a welding plane for electrical connection with a corresponding one of the external components through quick welding. The present disclosure can realize the rapid welding assembly of products, maximize production efficiency of assembly and welding, and has characteristics of simple structure, low manufacturing cost and reliable electrical connection.

Abstract: The present disclosure discloses a high-voltage DC relay with an auxiliary contact. The high-voltage DC relay includes a cover, a main contact leading-out terminal, a pushing rod assembly, a main movable contact piece, an auxiliary contact leading-out terminal and an auxiliary movable contact piece. The main contact leading-out terminal and the auxiliary contact leading-out terminal are respectively fixed on a top wall of the cover and their bottom ends respectively extend into a cavity of the cover. The main movable contact piece and the auxiliary movable contact piece are respectively matched with corresponding bottom ends of the main contact leading-out terminal and the auxiliary contact leading-out terminal. Two auxiliary contact leading-out terminals are arranged on both sides of a connecting line between two main contact leading-out terminals, and the auxiliary movable contact piece is also connected with a plastic body.