28results about "Relay ventilation/cooling/heating" patented technology

The invention provides a radio frequency MEMS switch and a preparation method thereof, and relates to the technical field of radio frequency MEMS switches. A substrate of the radio frequency MEMS switch comprises a first surface and a second surface which are opposite to each other, a Peltier refrigeration module is embedded in the substrate, the Peltier refrigeration module comprises a refrigeration end and a heat dissipation end, and the refrigeration end is closer to the first surface compared with the heat dissipation end. The driving electrode is arranged on the first surface, and the first electrode and the second electrode are also arranged on the first surface. The cantilever beam is electrically connected with the first electrode, the cantilever beam is arranged on the side, away from the substrate, of the driving electrode, and the cantilever beam is configured to be electrically connected with the second electrode under driving of the driving electrode. The orthographic projection of the joint of the cantilever beam and the first electrode on the substrate is overlapped with the area where the Peltier refrigeration module is located, and / or the orthographic projection of the joint of the cantilever beam and the second electrode on the substrate is overlapped with the area where the Peltier refrigeration module is located, in-situ active cooling can be carried out, and thermal creep aggravation is restrained.

To suppress reignition of an arc generated at a contact, in an electromagnetic relay.SOLUTION: An electromagnetic relay comprises a case, a first fixed terminal, a movable contact piece, a gas inflow space, and a gas passage. The case includes a base. The first fixed terminal is held by the base. The first fixed terminal includes: a first fixed contact arranged in the case separately from the base in a first direction; a contact supporting part arranged between the first fixed contact and the base to support the first fixed contact; and a first extending part bent from the contact supporting part, penetrating through the base in the first direction. The movable contact piece includes a first movable contact opposed to the first fixed contact in the first direction. The gas inflow space is formed between the base and the contact supporting part in the case. The gas passage penetrates through the base in the first direction to communicate between the gas inflow space and the exterior of the case.SELECTED DRAWING: Figure 4

To provide an electric connection box with excellent heat dissipation properties.SOLUTION: An electrical connection box 1 includes a cooling body 2 capable of absorbing heat from an outer surface thereof and dissipating heat to the outside, and a pair of current-carrying bodies 3A, 3B arranged to interpose the cooling body 2 therebetween. Each of the pair of current-carrying bodies 3A, 3B includes a housing portion 20, electronic components 30, 40 arranged inside the housing portion 20, and a bus bar 50 that is provided on a mounting wall 21 which is a box wall of the housing portion 20 and to which the electronic components 30, 40 are electrically connected, and is arranged such that the outer surface of the mounting wall 21 faces the outer surface of the cooling body 2. The electronic component 30 includes a plurality of terminals 31 that are provided on a side wall of the electronic component 30 and connected to the bus bar 50, and a movable contact 32 that is provided inside the electronic component 30 and capable of mechanically switching between electrical conductivity and non-conductivity between the plurality of terminals 31, and is configured such that the movable contact 32 is located farther from the side wall than the plurality of terminals 31 inside the electronic component 30.SELECTED DRAWING: Figure 2

The application relates to a wiring power-off integrated relay and a cable connection and protection method, which comprises a trapezoidal cylinder body, a plurality of piston rods uniformly arranged around the outer periphery of the trapezoidal cylinder body; an easy sublimation substance is arranged in the cylinder body; a long strip arc surface-shaped conductive bridge is fixed to the outer end of the piston rod; the outer end of the conductive bridge is covered with a long strip arc surface-shaped insulating baffle; electric connectors for connecting external wires are arranged on the two end faces of the trapezoidal cylinder body respectively; the piston rod drives the conductive bridge to simultaneously electrically contact or disconnect with the two electric connectors; in the initial state, the insulating baffles are circumferentially enclosed and start to cover the wires with wire insulation skins; the wiring power-off integrated relay and the cable connection and protection method can realize wire connection and relay circuit protection in one, realize integration of the whole with the wires, are small in size, and do not need to be installed in an electric box or a switch cabinet.

The invention discloses a vehicle power supply system and a thermal management method, device and equipment in a vehicle power supply process, and the method comprises the steps: obtaining the working temperature of a relay in a process that the relay is in a closed state to enable a power battery to supply power to a load on a vehicle; if the working temperature of the relay is greater than or equal to the first temperature threshold value, starting a second liquid cooling device to cool the relay; after the second liquid cooling device is started, if the first liquid cooling device is in the starting state, the temperature and flow of cooling liquid output by the cooling liquid supply device are adjusted according to the cooling requirement of the power battery, and if the first liquid cooling device is in the closing state, the temperature and flow of the cooling liquid output by the cooling liquid supply device are adjusted. The temperature and flow of cooling liquid output by the cooling liquid supply device are adjusted according to the cooling requirement of the relay. According to the invention, the technical problem that the performance and safety of the relay are not high in the power supply process of the electric vehicle is solved.

The utility model discloses an energy-saving intelligent solid-state relay. An intelligent solid-state relay body in the energy-saving intelligent solid-state relay comprises an aluminum alloy heat dissipation shell, a function induction PCB, a power semiconductor chip and a control panel. The radiator is arranged on the aluminum alloy heat dissipation shell, and the function induction PCB is fixed on a leading-out terminal of the power semiconductor chip. The function induction PCB comprises a plurality of heat-sensitive sensors, the intelligent solid-state relay body is further filled with heat-conducting resin, and the heat-sensitive sensors are arranged at the positions, tightly attached to the power semiconductor chip, in the heat-conducting resin. And the radiator, the leading-out wire of the function induction PCB and the leading-out terminal are connected with the control panel. Therefore, the junction temperature and the shell temperature of the power semiconductor chip can be determined through the plurality of heat-sensitive sensors, and the current of the power semiconductor chip can be controlled, that is, after the junction temperature exceeds a certain temperature, the output current is automatically reduced and limited within a certain range, and meanwhile, the shell temperature and the radiator are combined, so that the energy-saving effect is achieved.

An electromagnetic relay (1) is provided with a housing (2), a contact case (3), a first fixed terminal (11), a movable contact piece (13), and a first conductive member (6). The contact housing is disposed on the inner side of the housing. The first fixed terminal is arranged on the inner side of the housing. The first fixed terminal includes a first fixed contact (11a) disposed on an inner side of the contact housing. The movable contact piece is disposed on the inner side of the contact housing. The movable contact piece includes a first movable contact point (13a) facing the first fixed contact point. The first conductive member is fixed to the first fixed terminal. The first conductive member includes a first inner portion (61) disposed on the inner side of the housing and a first outer portion (62) disposed on the outer side of the housing. The housing includes a first heat dissipation portion (41) that dissipates heat generated by the first inner side portion of the first conductive member. The first heat dissipation portion is disposed adjacent to at least a portion of the first inner side portion of the first conductive member.

The present invention addresses the problem of limiting an increase in the temperature of a filler disposed inside an outer case. An electromagnetic relay (A1) comprises: a fixed terminal (60); a movable contact element (50); an inner case (20); a yoke (72); an outer case (10); and a first filler (81). The movable contact element (50) is disposed under the fixed terminal (60) to contact the fixed terminal (60). The inner case (20) houses the movable contact element (50) and has an opening at the bottom. The yoke (72) is disposed under the inner case (20) so as to cover the opening portion of the inner case (20). The outer case (10) houses the inner case (20). The first filler (81) is disposed in a gap between the inner case (20) and the outer case (10). The first filler (81) is disposed above a lower surface (73) of the yoke (72).

A circuit assembly includes: a relay; a case that houses the relay; and a bus bar including a fastening part configured to be fastened to a connection part of the relay, and a heat transfer part configured to be in thermally conductive contact with an external heat dissipation target, wherein the relay includes an excitation connector part that is provided on a side surface of the relay, and that is open in a direction opposite to a direction in which the connection part is open, the fastening part of the bus bar protrudes upward from the heat transfer part disposed on a bottom wall side of the case so as to be inclined at an angle larger than 90°, and the excitation connector part of the relay in which the connection part connected to the fastening part of the bus bar is open obliquely upward.

The invention provides a radio frequency MEMS switch and a preparation method thereof, and relates to the technical field of radio frequency MEMS switches. A substrate of the radio frequency MEMS switch comprises a first surface and a second surface which are opposite to each other, a Peltier refrigeration module is embedded in the substrate, the Peltier refrigeration module comprises a refrigeration end and a heat dissipation end, and the refrigeration end is closer to the first surface compared with the heat dissipation end. The driving electrode is arranged on the first surface, and the first electrode and the second electrode are also arranged on the first surface. The cantilever beam is electrically connected with the first electrode, the cantilever beam is arranged on the side, away from the substrate, of the driving electrode, and the cantilever beam is configured to be electrically connected with the second electrode under driving of the driving electrode. The orthographic projection of the joint of the cantilever beam and the first electrode on the substrate is overlapped with the area where the Peltier refrigeration module is located, and / or the orthographic projection of the joint of the cantilever beam and the second electrode on the substrate is overlapped with the area where the Peltier refrigeration module is located, in-situ active cooling can be carried out, and thermal creep aggravation is restrained.

A battery distribution unit (100) for a battery module (102) has a housing (110) including a bottom (120) configured to mount to a battery housing (104) of the battery module and including a component cavity (114). A contactor (140) received in the component cavity has a contactor housing (150) having a top end (154) and a bottom end (156). Terminals (242) at the bottom end of the contactor are coupled to corresponding termination ends (170) of corresponding stationary contacts (160) and a heat exchanger cap (134) at the bottom end of the contactor. The heat exchanger cap is disposed in the component cavity at the bottom of the housing. The heat exchanger cap is in thermal communication with the stationary contacts of the contactor and is configured to be in thermal communication with the battery housing of the battery module to dissipate heat from the stationary contacts into the battery housing of the battery module.

A relay of the present disclosure includes an insulation cover (21), a first yoke plate (22), a contact assembly (3), a driving assembly (4) and a pressure relief valve assembly (5). The first yoke plate (22) connects with the insulation cover (21) and encloses a contact chamber (27) with the insulation cover (21). The first yoke plate (22) is provided with a pressure relief hole (221). The driving assembly (4) connects with the movable contact piece (32) and drives the movable contact piece (32) move. The pressure relief valve assembly (5) is on the first yoke plate (22) and configured to close the pressure relief hole (221) when a gas pressure in the contact chamber (27) is less than a threshold and configured to be broken to open the pressure relief hole (221) when the gas pressure in the contact chamber (27) is greater than or equal to the threshold.

A relay of the present disclosure includes an insulation cover (21), a first yoke plate (22), a contact assembly (3), a driving assembly (4) and a pressure relief valve assembly (5). The first yoke plate (22) connects with the insulation cover (21) and encloses a contact chamber (27) with the insulation cover (21). The first yoke plate (22) is provided with a pressure relief hole (221). The driving assembly (4) connects with the movable contact piece (32) and drives the movable contact piece (32) move. The pressure relief valve assembly (5) is on the first yoke plate (22) and configured to close the pressure relief hole (221) when a gas pressure in the contact chamber (27) is less than a threshold and configured to be broken to open the pressure relief hole (221) when the gas pressure in the contact chamber (27) is greater than or equal to the threshold.

Provided is a power relay assembly. A power relay assembly according to an exemplary embodiment of the present invention comprises: a support plate equipped with at least one electrical element on one surface thereof and comprising a plastic material having heat dissipation and insulation properties; and at least one bus bar which comprises a contact part which is electrically connected to the electrical element and directly contacts one surface of the support plate, wherein the contact part of the bus bar is fixed to one surface of the support plate.

A contactor includes a housing defining a cavity. The contactor includes a switch assembly received in the cavity. The switch assembly includes first and second fixed contacts received in the cavity and a movable contact movable within the cavity between a mated position and an unmated position. The movable contact engages the first and second fixed contacts to electrically connect the first and second fixed contacts in the mated position. The switch assembly includes a coil assembly in the cavity operated to move the movable contact between the unmated position and the mating position. The contactor includes a heat transfer device coupled to the housing. The heat transfer device is thermally coupled to the first fixed contact and the second fixed contact to dissipate heat from the first fixed contact and the second fixed contact.

A relay of the present disclosure includes an insulation cover (21), a first yoke plate (22), a contact assembly (3), a driving assembly (4) and a pressure relief valve assembly (5). The first yoke plate (22) connects with the insulation cover (21) and encloses a contact chamber (27) with the insulation cover (21). The first yoke plate (22) is provided with a pressure relief hole (221). The driving assembly (4) connects with the movable contact piece (32) and drives the movable contact piece (32) move. The pressure relief valve assembly (5) is on the first yoke plate (22) and configured to close the pressure relief hole (221) when a gas pressure in the contact chamber (27) is less than a threshold and configured to be broken to open the pressure relief hole (221) when the gas pressure in the contact chamber (27) is greater than or equal to the threshold.

The utility model belongs to the technical field of solid-state relays, and particularly relates to a large-current heat-dissipation solid-state relay, which comprises a solid-state relay main body, a control circuit board is mounted in the solid-state relay main body, and a load input terminal, a load output terminal and a control signal terminal are electrically connected onto the control circuit board. A fuse is electrically connected between the load input terminal and the load output terminal, and the control circuit board is electrically connected with a control signal indicating lamp. According to the utility model, the threaded column is rotated to drive the sliding seat to slide so as to open or close the accommodating groove, the sliding seat is opened through outward sliding, the installation of the lead and the binding post module is completed, and after the installation is completed, the sliding seat is pushed into the accommodating groove for protection, thereby effectively preventing the electric shock at the wiring position.

The utility model relates to the technical field of automobile battery protection, in particular to an automobile solid-state relay which comprises a shell, a first circuit board, a second circuit board, an input binding post and an output binding post are arranged in the shell, and the first circuit board and the second circuit board are sequentially arranged on one inner wall of the shell. According to the utility model, the first circuit board and the second circuit board are arranged on the shell, the electronic elements with smaller power are arranged on the second circuit board, the electronic elements with larger power are arranged on the first circuit board, and the fin radiator is arranged on the outer wall opposite to the inner wall of the shell, so that the radiating effect of the internal components of the relay can be improved; the input binding post and the output binding post are both installed on the side face, close to the second circuit board, of the first circuit board, and the wiring end of the input binding post and the wiring end of the output binding post both penetrate through the second circuit board and extend out of the shell, so that the input binding post and the output binding post do not need extra placing space. And the overall size can be reduced.

Embodiments of the present disclosure are directed to an isolation housing for an electro-hydrodynamic (EHD) air mover device. The isolation housing includes the EHD air mover device, a shield placed on top of the EHD air mover device forming an upper wall of the isolation housing, a printed circuit board (PCB) assembly forming a bottom wall of the isolation housing, and a chassis made of one or more non-conductive materials and forming side walls of the isolation housing. The PCB assembly carries signal connections for a positive bias voltage signal, a negative bias voltage signal, and / or a ground signal. The chassis is shaped to hold the EHD air mover device in a defined position within the isolation housing. A first surface of the chassis is affixed to the shield, and a second surface of the chassis opposite to the first surface is affixed to the PCB assembly.

A relay of the present disclosure includes an insulation cover, a first yoke plate, a contact assembly, a driving assembly and a pressure relief valve assembly. The first yoke plate is connected with the insulation cover and encloses a contact chamber with the insulation cover. The first yoke plate is provided with a pressure relief hole. The driving assembly is connected with the movable contact piece and configured to drive the movable contact piece move. The pressure relief valve assembly is arranged on the first yoke plate and configured to close the pressure relief hole when a gas pressure in the contact chamber is less than a threshold and configured to be broken to open the pressure relief hole when the gas pressure in the contact chamber is greater than or equal to the threshold.

An electrical junction box (1) includes a pair of relays (20A, 20B) disposed with a gap (S) therebetween, a housing (10), and a heat transfer member (70). Each of the pair of relays (20A, 20B) includes a plurality of terminals (51-54) and a protruding portion (23) having a shape protruding toward the gap (S) in the vicinity of at least one terminal (51, 52) of the plurality of terminals. The heat transfer member (70) absorbs heat released from the terminal and transfers the heat in a direction away from the terminal.

The electromagnetic relay (1) includes a receptacle (2), a contact housing (3), a first fixed terminal (11), a movable contact (13), and a first conductive element (6). The contact housing is arranged in the receptacle. The first fixed terminal is arranged in the receptacle and includes a first fixed contact (11a) located within the contact housing. The movable contact is arranged within the contact housing and includes a first movable contact (13a) facing the first fixed contact. The first conductive element is fixed to the first fixed terminal. The first conductive element includes a first inner section (61) located within the receptacle and a first outer section (62) located outside the receptacle.The assembly includes a first heat-dissipating section (41) designed to dissipate the heat generated at the first inner section of the first conductive element. The first heat-dissipating section is located adjacent to at least a portion of the first inner section of the first conductive element.

To provide an electric connection box having excellent heat dissipation properties.SOLUTION: An electrical connection box 1 includes first and second cooling bodies 2A, 2B, and an electric conductor 3 arranged to be sandwiched between the first and second cooling bodies 2A, 2B. The electric conductor 3 includes a housing portion 20, electronic components 30, 40 arranged in the housing 20, and a bus bar 50 that is provided on the first and second mounting walls 21A, 21B, which are the two box walls of the housing 20, and electrically connected to the electronic components 30 and 40. The outer surface of each of the first and second mounting walls 21A and 21B and the outer surface of each of the first and second cooling bodies 2A, 2B are arranged to face each other. The electronic component 30 includes a plurality of terminals 31 that are provided on the side walls of the electronic component 30 and connected to the bus bar 50, and a movable contact 32 that is provided inside the electronic component 30 and capable of switching between electrical conductivity and non-conductivity between the plurality of terminals 31. The movable contact 32 is located to be farther from the side walls than the plurality of terminals 31.SELECTED DRAWING: Figure 2

The utility model discloses an injection molding part for gasket combination of a base of a signal relay, and aims to provide the injection molding part for gasket combination of the base of the signal relay, which is stable and firm and can be combined with a plurality of gaskets for practical use. The mounting base is used for connecting corresponding parts in the relay base, cover plates are arranged on the two sides of the base, each cover plate comprises two connecting bases arranged side by side and a protruding part arranged between the two connecting bases, a pair of clamping pieces is further symmetrically arranged on the two sides of the base, the clamping pieces are arranged between the mounting base and the cover plates, and the clamping pieces are arranged on the base. The clamping piece comprises connecting bases symmetrically arranged on the two sides of the clamping piece, convex pieces used for being matched with the shape of the gasket are arranged on the two sides of each connecting base, and a circular groove is further formed in the center of each connecting base. The utility model is suitable for the electronic and electrical field.

The utility model discloses a radiator for a solid-state relay, which belongs to the technical field of radiators and comprises a mounting surface, a heat-conducting fin fixedly mounted at the bottom of the mounting surface, a plurality of radiating fins fixedly mounted on two sides of the heat-conducting fin, a clamping seat fixedly mounted at the bottom of the heat-conducting fin, and a hydraulic cylinder fixedly mounted at the bottom of the clamping seat. The output end of the hydraulic cylinder is fixedly connected with a moving plate, a second baffle is fixedly installed at the bottom of the moving plate, a rotating shaft is rotationally installed in the second baffle, and a first bevel gear is fixedly installed on the outer side of the rotating shaft. The hydraulic cylinder, the driving motor, the rotating shaft, the first bevel gear, the second bevel gear, the rotating shaft, the rotating disc, the first connecting rod, the second connecting rod, the L-shaped plate and the clamping plate are directly matched with one another, so that the two sides of the guide rail are fixed through the clamping plate, and the clamping plate can be matched with the guide rails with different widths and heights; and therefore, the clamping seat can be tightly connected with the guide rail, and the practicability is wider.

An electromagnetic relay includes a housing, a driving device, a contact device, a conductive member, and a heat receiving member. The driving device is arranged on the inner side of the shell. The contact device is disposed in parallel with the drive device on the inside of the housing. The conductive member is connected to the contact device on the inside of the housing. The heat receiving member is disposed inside the housing. The heat receiving member is in contact with at least a portion of the conductive member and receives heat of the conductive member.

An electrical connection box (1) includes a pair of relays (20A, 20B) disposed with a gap (S) in between, a case (10), and a heat transfer member (70). Each of the pair of relays (20A, 20B) includes a plurality of terminals (51 to 54), and a protruding portion (23) having a shape protruding toward the gap (S) in a vicinity of at least one (51, 52) of the plurality of terminals. The heat transfer member (70) absorbs heat released from the terminal and transfers the heat in a direction away from the terminal.

A relay of the present disclosure includes an insulation cover, a first yoke plate, a contact assembly, a driving assembly and a pressure relief valve assembly. The first yoke plate is connected with the insulation cover and encloses a contact chamber with the insulation cover. The first yoke plate is provided with a pressure relief hole. The driving assembly is connected with the movable contact piece and configured to drive the movable contact piece move. The pressure relief valve assembly is arranged on the first yoke plate and configured to close the pressure relief hole when a gas pressure in the contact chamber is less than a threshold and configured to be broken to open the pressure relief hole when the gas pressure in the contact chamber is greater than or equal to the threshold.