789results about "Modifications for power electronics" patented technology

The invention provides a heat dissipation system and energy storage equipment, and belongs to the technical field of heat dissipation. The heat dissipation system comprises a first air duct structure and a second air duct structure, wherein the first air duct structure comprises first air duct paper with a first air cavity, a first air inlet and a first air outlet; the first air cavity is used for accommodating part of a first heating element; the second air duct structure comprises second air duct paper with a second air cavity, a second air inlet and a second air outlet, and the first air duct paper and the second air duct paper are arranged side by side; the second air cavity is used for containing a second heating piece, and the heating value of the second heating piece is smaller than that of the first heating piece. The air inlet fan is arranged at the first air inlet; the reversing fan is arranged at the downstream of the airflow direction of the first air cavity and the upstream of the airflow direction of the second air cavity; and the air outlet fan is arranged at the second air inlet, and the air outlet fan is used for introducing the air flow into the second air cavity and blowing the air flow out through the second air outlet. According to the invention, the uniformity of heat dissipation can be improved, and the aesthetic property of a corresponding product can be improved.

A five-in-one wireless charger is provided, including a base. The base is provided with a storage groove, the storage groove is provided with a first charging module, a second charging module is arranged on a back of the first charging module, and the second charging module is configured to extend out of the storage groove when the back of the first charging module is abutted against a bottom surface of the storage groove. The base is provided with a third charging module and a charging end of the third charging module is configured to fit with a surface of the base to form a connecting seat. The base is provided with a fourth charging module and a charging end of the fourth charging module is configured to cooperate with the surface of the base to form a concavely charging groove. The base is internally provided with a connecting component.

The present disclosure relates to a water-cooled integrated charger and discharger, which provides a charger and discharger comprising: a charging and discharging jig configured to charge and discharge a battery; a water-cooled power supply part configured to supply a power source to the charging and discharging jig and configured to be cooled with water; and a chiller connected to the water-cooled power supply part through a water-supply pipe and a drainpipe, and configured to release heat energy generated from the water-cooled power supply part to an exterior environment.

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.

The present application relates to a kind of outdoor energy storage device, including cover, lower shell, panel frame, inverter module, power management module, battery assembly, cover covers lower shell, panel frame is installed in lower shell and with the outer wall of lower shell flush, cover, panel frame and lower shell are enclosed to form the accommodation space for accommodating inverter module, power management module and battery assembly;Battery assembly is installed in the bottom wall of lower shell, power management module is installed in battery assembly, and for adjusting the power supply power of battery assembly, power management module is electrically connected with battery assembly, inverter module is installed in the shell of battery assembly and is stacked with battery assembly, inverter module is connected to power management module, panel frame is electrically connected to inverter module, panel frame is connected to power management module.Communication.Such setting, outdoor energy storage device is smaller, power supply is safe, and outer surface is flat, and it is convenient to carry.

The utility model provides a modularized uninterruptible power supply. The modularized uninterruptible power supply comprises a power cabinet and a module assembly arranged in the power cabinet, the interior of the power cabinet is divided into an upper space and a lower space, the module assembly is arranged in the lower space, the lower space is divided into a power area and a bypass area, and the module assembly comprises a power module and a bypass assembly. According to the modularized uninterruptible power supply provided by the utility model, the interior of the power cabinet is divided into the upper space and the lower space, and the upper outgoing line wiring copper bar is arranged in the upper space, so that the operation that a cable is connected to the upper outgoing line wiring copper bar through the top of the power cabinet by a client can be realized; and the module assembly is arranged in the lower space, and the lower space is divided into the power area and the bypass area, so that the rationality of the modularized uninterruptible power supply can be effectively improved, and the maintainability and reliability of the whole machine are improved.

The invention relates to the technical field of inverter shells, in particular to an inverter shell device with self-locking cooling air flues, which comprises a shell, a plurality of cooling fins are fixed on two sides of the shell at equal intervals, the air flues are mounted on the inner sides of two sides of an opening of the shell, and each air flue comprises a fan assembly fixedly mounted with the shell. The air outlet end of the fan assembly is fixedly communicated with a rectangular pipeline, one end of the rectangular pipeline is sealed and fixed to the inner side of the shell, a plurality of second air outlet holes are formed in the bottom face of the rectangular pipeline, and baffles are rotationally connected into the second air outlet holes. According to the invention, the two air ducts are installed at the opening of the inverter, the bottom surface of the rectangular pipeline of each air duct is provided with the second air outlet hole which is locked or opened through the baffle plate, and each second air outlet hole can separately blow dispersed heat to an area with a fast temperature rise or a high temperature, thereby facilitating the reduction of the local overheating risk, and improving the reliability of the inverter. And the heat dissipation efficiency of the inverter shell can be improved.

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.

The invention discloses an energy storage converter, which comprises a case, an electrical assembly and a refrigeration assembly, and is characterized in that a closed inner cavity is formed in the case; the electrical assembly is arranged in the inner cavity; the refrigeration assembly is arranged in the inner cavity and comprises a first air supply device and a heat exchange device, the heat exchange device is provided with an air inlet and an air outlet, the air inlet faces the first direction, the air outlet faces the second direction, an included angle is formed between the first direction and the second direction, and at least part of the electrical assembly is located on the side, in the second direction, of the air outlet; at least one of the air inlet and the air outlet is provided with a first air supply device, and the first air supply device is used for forming negative pressure, so that airflow enters the heat exchange device from the air inlet to be subjected to heat exchange and then is output from the air outlet. According to the embodiment of the invention, the electrical components in the case are cooled through the air supply device arranged in the case, so that the airflow forms circulation in the case and exchanges heat with the electrical components, and the problem of overheating of the electrical components is reduced.

A power conversion device and an energy storage device, relating to the technical field of heat dissipation of energy storage devices. The power conversion device comprises a housing, a heat exchanger, a heat sink, inductor boxes, and a circuit board; the housing is provided with a power cavity and a heat dissipation cavity; power devices and heating electronic devices are respectively mounted on two sides of the circuit board; the heating electronic devices, the circuit board, the power devices, and the heat sink are sequentially arranged; the heat sink is partially located in the heat dissipation cavity to dissipate heat of the power devices; the heat exchanger is partially located in the power cavity to cool the heating electronic devices; the inductor boxes and the heat sink are all located in the heat dissipation cavity. The present application improves the heat dissipation efficiency of the whole power conversion device, and can satisfy the heat dissipation requirement of components having higher power and higher power density and improve the working performance of the power conversion device.

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 jet impingement cooling apparatus includes a target having a flat surface and a plurality of recesses recessed from the flat surface, and a jet member having a plurality of orifices aligned with the plurality of recesses, respectively, wherein a cooling fluid is ejected from each orifice to the plurality of recesses.

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.

The electric-power conversion apparatus comprises: switching devices each permitting a current to flow therethrough or shutting off that current; a device temperature detector that detects a temperature of one or more of the switching devices; a cooler that cools down the switching devices; a cooling-medium state detector that detects a state of a cooling medium passing through the cooler; and a control unit that controls the switching devices to perform electric-power conversion, and performs overheat prevention control of the switching devices; wherein the control unit determines a temperature threshold value for judging whether the overheat prevention control is necessary or not, on the basis of the state of the cooling medium detected by the cooling-medium state detector, and performs the overheat prevention control by restricting operations of the switching devices, when the temperature detected by the device temperature detector is higher than the temperature threshold value.

A resonant converter includes a first circuit board, a second circuit board, and a planar transformer. The planar transformer includes an iron core, a plurality of wirings, and a first conductive column. A first core column of the iron core penetrates through a first circuit board through hole of the first circuit board and a second circuit board through hole of the second circuit board respectively. The wirings are formed around the first circuit board through hole and the second circuit board through hole respectively, and the first conductive column electrically connects the wirings to form a winding of the planar transformer. A first via is used to electrically connect the winding and the power component embedded in any one sub-layer board of the first circuit board or the second circuit board, and the iron core is used to sleeve the winding to form the planar transformer.

The present application discloses a power cabinet. Since the power cabinet is designed as a form of cabinet, the structural cost is reduced compared with a container solution in the conventional technology. In addition, all devices in the power cabinet are categorized into two types, and the two types of devices can have their own heat-dissipation channels or share a same heat-dissipation channel, which has a compact overall structure and high heat-dissipation efficiency compared with an air duct layout solution in the conventional technology. Therefore, the power cabinet provided according to the present application not only reduces its overall cost, but also improves its own heat-dissipation efficiency.

The invention relates to a charging control method and device, a control unit, a vehicle and a storage medium. The method comprises the following steps: determining a main control unit and at least one preparation host from each inverter in an inverter cluster; determining the inverters except the main control unit and each standby host as slave units; on the basis of the target preparation host, if it is monitored that the heartbeat packet of the main control unit is lost and it is monitored that a response signal of the main control unit is not received within a preset time period, determining that the target preparation host is a new main control unit, and determining a new target preparation host; determining predicted load information corresponding to the slave unit according to the driving data of the vehicle in the current time period; generating a power distribution instruction of the slave unit according to the predicted load information corresponding to the slave unit; and based on the new main control unit, the power distribution instruction of the slave unit is sent to the slave unit. According to the invention, the battery charging power utilization rate can be improved, and the efficient operation of the vehicle-mounted parallel inverter system is ensured.

The power conversion device includes: a DC-DC converter unit including a transformer having a coil substrate where a primary side coil is formed and a bus bar forming a secondary side coil, and converting a voltage of DC power input from a DC power supply into a different voltage; and a cooling portion where a cooling flow path through which a cooling liquid flows is provided and the DC-DC converter unit is disposed. The bus bar of the transformer has a cooling portion side fixed portion fixed to the cooling portion provided with the cooling flow path.

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.

The present application provides a power cabinet, which includes a cabinet body and an electric reactor, a power unit and a switch arranged in the interior of the cabinet body. In the interior of the cabinet body of the power cabinet, the electric reactor is arranged close to a first side in the interior of the cabinet body, and the power unit and the switch are arranged on a second side in the interior of the cabinet body, opposite to the first side. Moreover, these electric reactor, the power unit and the switch are all located in a lower space. In addition, in the power cabinet, the electric reactor and power unit dissipate heat in different chambers from the switch dissipates heat.

This invention relates to the field of unmanned aerial vehicle (UAV) technology, and particularly to a UAV housing based on air-cooled circulating air duct heat dissipation. The housing includes a casing, an air conditioning compartment, an electronic component compartment, a battery charging compartment, and a miniature air conditioner. Both the electronic component compartment and the air conditioning compartment are located within the casing. The battery charging compartment is used to charge the UAV's battery. The miniature air conditioner is installed within the air conditioning compartment. The air outlet, cold air supply channel, first cold air storage channel, second cold air storage channel, and electronic component compartment of the miniature air conditioner are sequentially and sealed together. Cold air from the first cold air storage channel can enter the battery charging compartment through a ventilation slot to exchange heat with the charging battery, and then enter the return air outlet of the miniature air conditioner from the battery charging compartment's opening. This invention avoids the influence of hot air from outside the housing on the heat dissipation effect by directly blowing cold air onto the charging battery in the battery charging compartment and directly exchanging heat with the electronic components in the electronic component compartment.

To make it possible to diagnose whether or not a water pump has a failure without being based on the rotation speed of the water pump.SOLUTION: A water pump diagnosis device diagnoses a water pump that circulates a coolant for cooling a cooling target. The water pump diagnosis device comprises a temperature sensor and a diagnosis unit. The temperature sensor measures the temperature of a power semiconductor that is a part of the cooling target. The diagnosis unit determines whether the water pump has a failure on the basis of a comparison between a temperature rise rate of the power semiconductor based on the temperature measured by the temperature sensor and a preset reference temperature rise rate.SELECTED DRAWING: Figure 4

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.