443results about "Modifications for power electronics" patented technology

The embodiment of the application provides a kind of power conversion equipment, it is related to power electronics field.The power conversion equipment includes shell, circuit board, radiator and first heat exchanger, power cavity is formed in shell, heat dissipation cavity is formed outside shell, shell includes the partition between power cavity and heat dissipation cavity, opening is arranged on the partition, circuit board is arranged in power cavity and the side of opening has first power device;Radiator is arranged in heat dissipation cavity and includes first substrate and first heat dissipation part, first substrate is arranged at opening and is in contact with first power device, first substrate is provided with first gas-liquid passage, first heat dissipation part is provided with second gas-liquid passage communicated with first gas-liquid passage, and cooling working medium for gas-liquid conversion is arranged in first gas-liquid passage;First heat exchanger is located in power cavity or heat dissipation cavity.Through the above technical scheme, the device that can be targeted to heat seriously in power conversion equipment is cooled, so that power conversion equipment is stably operated.

Changing electrical power needs for buildings often requires the upgrade of the electrical panel, the addition of extra panels, or both. Herein, a single electrical panel hosts power interface modules that connect to multiple power rails within the panel. The modules, which plug into the panel, convert power between the rails, or make and break connections between the rails, under the command of a system controller. The rails are connected to switchgear to which a variety of external power sources and loads can be connected. The modules are cooled by a heat exchanger and the waste heat may be directed outside or used to heat inside the building or heat domestic water.

An induction cooktop comprises a cooktop surface, induction heating coils beneath it, a power supply with power semiconductors for the induction heating coils, and an external electrical connection. The power supply is located on a power circuit board, and the electrical connection is located on a connection circuit board. At least one cooling device is also provided, comprising at least one fan with a fan inlet for intake and a fan outlet for exhaust air to cool the power supply, a cooling air duct, and at least one heat sink to which the cooling air duct leads. In a vertical direction perpendicular to the cooktop surface and to one of the circuit boards, the fan is positioned lower than the heat sink.The connection circuit board runs below the power circuit board, the connection circuit board has an electrical connection to the outside, and the cooling air duct runs with a bend and deflection of 90° or 180° between the fan outlet and the heat sink.

The present disclosure relates to the technical field of energy storage, and, in particular, to an energy storage converter and an energy storage system. In embodiments of the present disclosure, a first cavity of a housing is configured to include a first region and a second region which are arranged along a first direction, an airflow generation apparatus can generate a first airflow flowing through the first region and a second airflow flowing through the second region, and the first airflow and the second airflow both flow in from a first side of the first cavity and flow out from a second side of the first cavity, so that the first region can be subjected to heat management by using the first airflow, and the second region can be subjected to heat management by using the second airflow. Meanwhile, since an average heat generation of devices arranged in the first region is greater than an average heat generation of devices arranged in the second region, more of the first airflow can flow into and flow out of a first channel defined by a cover by arranging the cover in the first region, so that a heat management effect of the first region can be improved, and then, a heat management effect can be improved on the whole.

A power conversion device is provided. By optimizing the winding manner of the high-voltage winding and the low-voltage winding and the layout of corresponding components, the output capability of the power conversion device is improved, and the loss on the energy transmission path is reduced; On the other hand, by means of the assembly structure of the first substrate and the second substrate, a winding is provided on the second substrate, and the magnetic core is assembled to the second substrate from the upper surface and the lower surface of the second substrate, respectively; a hole groove is provided on the first substrate, and the hole groove is used for accommodating an upper magnetic plate of the magnetic core assembly; thus, the volume of the power conversion device is further reduced, and the height difference of the main heating element is reduced, thereby achieving a low thermal resistance.

A computer power supply unit including a housing, a main board disposed in the housing, at least one high heat producing component disposed on the main board, at least one other heat producing component disposed on the main board, and a heat transfer system is provided. The heat transfer system comprises bottom and top heat transfer devices. Thermal paths are formed between the bottom heat transfer device and a bottom panel of the housing and the top heat transfer device and a top panel of the housing to dissipate heat from an at least one high heat component assembly, formed in part by the at least one high heat producing component, and an at least one other heat component assembly, formed in part by the at least one other heat producing component, to an outside of the bottom panel and an outside of the top panel.

A power module is provided. The power module includes a housing, a connector, an inductor, a cold plate, and an air-liquid heat exchanger. The connector, the air-liquid heat exchanger, the cold plate, and the inductor are sequentially arranged inside the housing along a first direction. The housing includes a front plate and a rear plate. The front plate and the rear plate are oppositely arranged along the first direction. The connector is arranged between the air-liquid heat exchanger and the front plate along the first direction. The power module has a small size, and has good heat dissipation effect for various heat-generating components, and can reduce heat dissipation costs.

A method for heat dissipation control of a charging base is applied to a terminal device, and includes: receiving a trigger message configured to represent a wireless communication connection between the terminal device and the charging base; displaying an interaction interface for heat dissipation control according to the trigger message; and sending a control instruction corresponding to the selection information to the charging base based on selection information generated in response to acting on the interaction interface for heat dissipation control. An apparatus for heat dissipation control of a charging base, a terminal device and a charging base for charging the terminal device are also disclosed.

The invention provides a liquid cooling modular converter, and belongs to the field of power conversion devices. The liquid-cooled modular converter comprises a shell and an installation base body arranged in the shell, an alternating-current capacitor plate, an alternating-current inductor unit and an IGBT unit are further arranged in the shell, the edge of the rear side of a liquid-cooled plate is close to a rear side plate, a spacing space is reserved between the edge of the rear side of the liquid-cooled plate and the rear side plate, and the alternating-current capacitor plate is located in the spacing space. And the alternating current inductance unit and the IGBT unit are respectively arranged on two sides of the liquid cooling plate. According to the invention, through the reasonable layout of each component and the board card, the space in the shell is fully utilized, the wiring is more orderly, the surface space of the liquid cooling plate is fully utilized, and the heat dissipation efficiency is improved.

An induction cooktop has a cooktop plate, induction heating coils thereunder, a power supply with power semiconductors for the induction heating coils and an electrical connection to the outside, wherein the power supply is arranged on a power printed circuit board and the electrical connection is arranged on a connection printed circuit board. At least one cooling device is also provided, which has at least one fan with a fan inlet as intake and with a fan outlet for blown-out air for cooling the power supply, a cooling air duct and at least one heat sink, to which the cooling air duct leads. The fan is arranged lower than the heat sink in a vertical direction which runs at right angles to the cooktop plate and to one of the printed circuit boards. The connection printed circuit board runs underneath the power printed circuit board, the connection printed circuit board has an electrical connection to the outside and the cooling air duct runs with a bend and deflection of 90° or of 180° between the fan outlet and the heat sink.

To provide a cabinet assembly capable of reducing heat dissipation cost of a conductive member and a photovoltaic power plant.SOLUTION: A cabinet assembly includes at least one cabinet (1), a conductive member (3) and a protective cover assembly (4). The conductive member (3) is electrically connectable to a cabinet output member of the cabinet (1), and the protective cover assembly (4) is provided in the conductive member (3). A first heat dissipation duct (41) is provided in the protective cover assembly (4), and a second heat dissipation duct (11) is provided in the cabinet (1). The first heat dissipation duct (41) communicates with the second heat dissipation duct (11) of the at least one cabinet (1) and dissipates heat of the conductive member (3). The heat of the conductive member (3) is dissipated by utilizing a heat dissipation air flow in the second heat dissipation duct (11) in the cabinet (1), thereby reducing a fan and an assembly and reducing heat dissipation cost of the conductive member.SELECTED DRAWING: Figure 3

A cooling apparatus for a power module is provided. The cooling apparatus includes a first surface contact cooler contacting one surface of the power module and including a first heat sink, in which a first air flow path is formed and a second surface contact cooler contacting the other surface of the power module and including a second heat sink, in which a second air flow path is formed, wherein the first air path and the second air path mutually form a continuous air movement path.

The invention provides a multi-channel power supply system in a self-sustaining energy type underwater closed cabin. The multi-channel power supply system comprises a self-sustaining battery, a power supply control board, an integrated communication circuit, a multi-channel output load circuit, a power supply system external trigger on-off controller and a power supply system external communication interface, the self-sustaining battery is connected with the power supply control board through the onboard rectangular connector; the power supply control board comprises an input connector, a filter circuit, an integrated circuit wall-attached heat conduction shell and an output interface; the integrated communication circuit is arranged on the power supply control board, is connected with an external communication interface of a power supply system and is used for receiving an external trigger instruction and sending internal state information; the power supply system external trigger on-off controller is connected with the integrated communication circuit so as to control on-off of the power supply system based on an external trigger signal; the multi-channel output load circuit comprises a plurality of output channels, each output channel comprises a relay, and the relays are connected with the integrated communication circuit so as to control output on-off based on the internal state information and the external state information.

The invention relates to a connectors guide for an inverter comprising at least two power modules (28), namely at least a first power module and a second power module, the connectors guide (1) comprising a substantially flat rigid body (2) in which orifices (5) are formed for the passage of control pins (8) for the power modules (28), said orifices (5) being calibrated and positioned in such a way as to conform to the position and orientation of said control pins (8). The body of the connectors guide comprises a so-called intermediate portion (13) which is intended to be positioned between the first power module and the second power module, the intermediate portion (13) comprising a housing (15) suitable for accepting a temperature sensor (16). The connectors guide thus makes it possible to ensure that the power modules control pins are correctly positioned while at the same time also ensuring the positioning and retention of the temperature sensor.

The invention discloses a power module and a solid-state transformer power cabinet structure system.The power module comprises a module shell; a high-voltage power unit, a transformer and a low-voltage power unit are arranged in the power conversion module, and a complete power conversion path is formed; the high-voltage power unit comprises an integrally-formed solid insulation shell, and the solid insulation shell is used for packaging a power circuit board and achieving external insulation. One side of a panel of the high-voltage power unit and one side of a tail-end panel of the low-voltage power unit are respectively provided with a first conductive connecting end, and an electrical gap and a creepage distance between the first conductive connecting end and a module shell and between the first conductive connecting end and an internal structural member of the power cabinet meet preset insulation requirements; the power module is further integrated with a temperature adjusting unit, the temperature adjusting unit comprises a controller, a heat dissipation actuator and a plurality of temperature sensors, the temperature sensors are arranged in the high-voltage power unit and the low-voltage power unit and on the heat dissipation actuator and the transformer, and the controller is in signal connection with the temperature sensors and the heat dissipation actuator.

The invention relates to an electronic device (1) with active cooling. In order to make a compact design of the electronic device possible and also to ensure a high level of ESD / EMC protection and a high level of IP protection, according to the invention the housing (2) of the electronic device (1) is connected to a body (10) of a fan (4). When the body (10) is in a connected state with the housing (2), an opening to the interior of the housing (2) is closed. The body (10) is also connected to a hub (6) on which a fan rotor (7) is mounted for rotation. In the connected state, a chamber (14) is also formed which is separated from the interior of the housing (2) and in which the fan rotor (7) is arranged. Here, the chamber (14) forms a housing for the fan rotor (7).

The application provides an inverter, a power device and a photovoltaic system, to improve the heat dissipation performance of the power device such as the inverter, and further improve the use reliability of the power device. Taking the power device as the inverter for example, the inverter usually can include a shell and a heat dissipation device. The shell can include a first cavity and a second cavity, the first cavity is provided with a power semiconductor device. The second cavity has a first air inlet and a first air outlet, and the second cavity is provided with a magnetic device. The heat dissipation device includes a heat sink and a first fan, the heat sink includes an evaporator and a condenser connected with each other, the evaporator is arranged in the second cavity, and the power semiconductor device is in heat conduction contact with the evaporator to realize heat dissipation of the power semiconductor device. The first fan is arranged in the second cavity, the air inlet side of the first fan faces the first air inlet, the air outlet side of the first fan faces the first air outlet, and the evaporator and the magnetic device share the first fan, which is beneficial to reduce the floor area of the inverter.

The power module includes a power circuit, a magnetic assembly and a first circuit board. The power circuit includes at least one switch element. The magnetic assembly includes at least one first electrical conductor and a magnetic core module, wherein at least one first electrical conductor passes through the magnetic module, and a terminal of the at least one first electrical conductor is electrically connected to the at least one switch element. The first circuit board includes a first surface and a second surface opposite to the first surface, wherein the power circuit is disposed on the first surface. The power circuit and the magnetic assembly are arranged in sequence along a same direction. The power module further includes a plurality of second electrical conductors, wherein one end of each of the second electrical conductors is disposed on one edge of the second surface of the first circuit board and electrically connected with the power circuit.

The present application discloses a charging and discharging apparatus and a power transmission method thereof, and relates to the field of battery power. The charging and discharging apparatus includes: a communication module, where the communication module is communicatively connected to a BMS and is configured to, under a condition of being in a first energy transmission mode and the BMS not supporting a specific discharging protocol, perform first communication with the BMS based on a universal charging protocol; and a conversion module, where one side of the conversion module is connected to a battery, the other side of the conversion module is connected to an alternating current side connecting structure, and the conversion module is configured to convert direct current provided by the battery into alternating current and transmit the alternating current to the alternating current side connecting structure in a process of the first communication. The first energy transmission mode is a mode in which the battery transmits power to the alternating current side connecting structure of the apparatus. Through the embodiments of the present application, the battery can be discharged under a condition that the BMS does not support a discharging protocol.

A heat sink (10), a thermal module (6), and an electronic device (2) are provided. The heat sink (10) includes a base (11) and a plurality of curved fins (12) arranged in parallel on the base (11). Each curved fin (12) has a plurality of wave peaks (12a), with a pitch (P) defined between any two adjacent wave peaks (12a), and at least two of the plurality of wave peaks (12a) are different.

An energy storage device comprises a cabinet, a battery pack installed inside the cabinet, a charging converter electrically connected to the battery pack, a charging connector electrically connected to the charging converter to transmit electric energy converted by the charging converter, a cooling system, and a first heat dissipation apparatus. The cooling flow channels of the charging connector and the cooling flow channels of the charging converter are arranged in the cooling system. The first heat dissipation apparatus is at least partially arranged in the cooling system to cool the charging connector and the charging converter. The cooling flow channels of the charging converter and the cooling flow channels of the charging connector in the embodiments of the present disclosure are both arranged in the cooling system, and the first heat dissipation apparatus is cooled by a fan to cool the charging converter and the charging connector.

The application discloses a power assembly and a liquid-cooled converter, the power assembly comprising a capacitor module, a power module and a radiator; the capacitor module comprises DC capacitor banks and a capacitor busbar connected with each other; the power module comprises an input busbar, an output busbar and three single-phase switch tube groups, each single-phase switch tube group comprising a plurality of switch modules and being connected to the input busbar and the output busbar; the input busbar is connected to the connecting part; the output busbar is used for outputting electric energy; and all single-phase switch tube groups in the power module are mounted on the radiator, and the arrangement direction of each switch module in each single-phase switch tube group is parallel to the connecting part. The power assembly can solve the problem of large volume of the existing power assembly.

The invention relates to the technical field of photovoltaic inverters, in particular to an intelligent photovoltaic inverter liquid cooling radiator which comprises an inverter body, an air inlet and an air outlet are formed in the two sides of the inverter body respectively, and a radiating device, a dustproof device and a collecting device are arranged in the inverter body. The heat dissipation device comprises a liquid storage tank, a motor, a first spiral shaft, a first circular ring, a moving frame and a connecting rod, the liquid storage tank is fixedly installed at the top of the inverter body, a liquid cooling pipeline fixedly penetrates through the top of the inverter body, and the motor is fixedly installed at the top of the inverter body. Heat in the inverter body is absorbed through the liquid cooling pipeline, the overall heat dissipation efficiency is improved, meanwhile, hot air on the liquid cooling pipeline is absorbed through the heat dissipation fins, the heat is dissipated through the heat dissipation fins, the heat dissipation efficiency is better improved, the fan blades are driven to rotate through the driving device, and the heat on the heat dissipation fins is better blown out.

A power conversion device is provided. The power conversion device includes a housing with a power conversion component built into an internal space thereof, a chamber provided to be separated from the internal space of the housing, a filter that is coupled to one side of the chamber and configured to block moisture and foreign substances from entering the chamber from the outside, and a valve provided between the internal space of the housing and the chamber to block the communication between the internal space of the housing and the outside and configured to be selectively opened and closed of a differential pressure between the internal space of the housing and the chamber.

The utility model relates to an inverter. The inverter comprises a body, a fan assembly and a connecting wire. The body is provided with a mounting groove and a first wiring terminal, and the first wiring terminal is provided with a wiring port; the fan assembly is detachably installed in the installation groove, the fan assembly comprises an installation support and a fan installed on the installation support, and the installation support is provided with a containing cavity; the two ends of the connecting wire are connected to the fan and the wiring port respectively. And the connecting wire extends along the length direction of the mounting bracket and is at least partially accommodated in the accommodating cavity. The problem that in the prior art, a fan connecting wire in an inverter body is prone to being twisted due to improper storage can be solved.

This invention provides a frequency converter cabinet and an air conditioning system. The frequency converter cabinet includes a housing with an opening and a door capable of closing the opening. The door is detachably connected to the housing. The housing includes two side walls spaced apart from each other and a rear wall connected between the two side walls. A top cover is detachably connected to the top of the two side walls and the rear wall to keep the top of the housing closed. According to this invention, the detachable top cover allows some electrical components inside the housing to be installed, removed, and maintained through the top of the housing. The components inside the housing can be arranged more compactly, forming a front-to-back layered layout, eliminating the need to disassemble components in the front layer when installing or maintaining components in the rear layer. This greatly facilitates the installation, removal, and maintenance process, improves work efficiency, and reduces the overall size of the cabinet. The smaller cabinet size allows for further improvement in its protection level and a corresponding increase in power density.

Mobile applications with a combined breaker and relay can include a power distribution unit, a current source circuit, and a voltage determination circuit. A combined breaker and relay can be configured to interrupt a motive power circuit for an electrical vehicle system. A combined breaker and relay can include a plurality of fixed contacts, a plurality of movable contacts, a plurality of amateurs, and a current response circuit.

An apparatus of the subject technology comprises a battery pack configured to provide power for an electrical vehicle (EV), and a motor powered by a fuel supplied by a fuel tank and configured to provide mechanical power for one or more electrical machines. The one or more electrical machines are configured to generate a direct current (DC) voltage for keeping the battery pack fully charged, and the battery pack, the motor and the one or more electrical machines are enclosed in a battery-system enclosure.

This invention relates to the field of battery technology and discloses a battery and its continuous charging device, including a base, a support column and a support rod fixed on the base, a top cover fixed on the support rod, and a downward-facing opening on the top cover. A charging device and a chassis are disposed inside the top cover. The charging device rotates within the top cover. This invention controls the duration the battery stays in the charging compartment by coordinating the rotating charging turntable and the chassis, and changing the curvature between the timing hole and the feed inlet of the top cover. This controls the charging time of the battery, allowing it to automatically disconnect according to the set charging time. This adapts to the charging time of most batteries, effectively preventing overcharging at the factory and avoiding safety issues such as short circuits and fires caused by vibration and collision during transportation and storage. Furthermore, since the battery is automatically fed, connected, and disconnected, no manual intervention is required, greatly increasing its safety.

The invention discloses a control method and system of an energy router. The method comprises the following steps: acquiring temperatures of different temperature acquisition points of a power module; acquiring a space temperature distribution model of the power module according to the electric signal parameters and the temperature; the electric signal parameters at least comprise real-time voltage, real-time current and conduction voltage drop of the power module; acquiring a potential overheating area according to the space temperature distribution model; setting a multi-stage temperature rise rate threshold value and a multi-stage temperature gradient threshold value according to the potential overheating area; if the temperature rise rate of the shell temperature of the potential overheating area reaches the temperature rise rate threshold value of the corresponding grade, cooling operation of the corresponding grade is executed; or if the temperature gradient of the junction area temperature of the potential overheating area reaches the temperature gradient threshold value of the corresponding grade, the cooling operation of the corresponding grade is executed. According to the technical scheme provided by the invention, the problem of unbalanced heat distribution is identified through multi-point temperature monitoring, and the protection action is executed in time.