10results about How to "Shorten the connection path" patented technology

The utility model relates to the technical field of electric excavators, and discloses an electric excavator cabin arrangement structure and an electric excavator, and the electric excavator cabin arrangement structure comprises a mounting platform. The installation platform is divided into a first installation area and a second installation area which are adjacent in the length direction of the installation platform, the first installation area and the second installation area extend in the width direction of the installation platform, and the second installation area is divided into an upper layer and a lower layer which are arranged up and down; a hydraulic main valve, a rotary motor and a controller are installed in the first installation area in the width direction of the installation platform, and a storage battery is installed on the side, away from the second installation area, of the first installation area. In the width direction of the mounting platform, a hydraulic main pump, a motor and a heat dissipation mechanism are mounted on the lower layer of the second mounting area, and a hydraulic oil tank and a battery pack are mounted on the upper layer of the second mounting area. The arrangement space of the cabin is optimized, the structure is compact, and the space utilization rate is improved.

The invention provides a capacitor assembly, a power assembly and a converter, in the capacitor assembly, first ends and positive terminals of a plurality of capacitors of a positive capacitor array are connected to a positive conduction path, and second ends and negative terminals of a plurality of capacitors of a negative capacitor array are connected to a negative conduction path. The second ends of the plurality of capacitors of the positive capacitor array, the first ends of the plurality of capacitors of the negative capacitor array and the transfer end are connected to a second conduction path, and the neutral terminal and the transfer end are connected to a third conduction path, so that for the positive capacitor array, commutation paths of the positive terminal reaching the neutral terminal after passing through each capacitor are equal in length, and commutation paths of the negative terminal reaching the neutral terminal after passing through each capacitor are equal in length. And for a negative capacitor array, commutation paths from a negative terminal to a neutral terminal after passing through each capacitor are equal in length; the second conduction path and the third conduction path are located on different wiring layers respectively, so that current sharing among capacitors of the positive capacitor array and current sharing among capacitors of the negative capacitor array are achieved, and wiring is facilitated.

The present invention provides a multi-winding inductor and power module with high efficiency. The multi-winding inductor includes a magnetic core and a winding assembly. The magnetic core includes two oppositely arranged cover plates and three magnetic columns connected to the two cover plates and arranged in sequence in a counterclockwise direction. The winding assembly includes a first and a second winding arranged crosswise, and each winding includes a first, a second and a third part. The first magnetic column is arranged between the first part of the first winding and the first part of the second winding; the second magnetic column is arranged on one side of the first part of the first winding and the third part of the second winding; the third magnetic column is arranged between the third part of the first winding and the third part of the second winding. The first parts of the first and second windings extend to the first surface of the magnetic core and form the first and third pins of the inductor; the third parts of the first and second windings extend to the second surface of the magnetic core and form the second and fourth pins of the inductor. The first surface and the second surface of the magnetic core are arranged opposite to each other.

The invention discloses a magnetic assembly and a manufacturing method thereof. The magnetic assembly comprises a magnetic element and a peripheral structure body. The magnetic element comprises a magnetic core and a winding, the winding is embedded in the magnetic core, and PINs are formed through the top face and / or the bottom face of the magnetic core. The peripheral structure is adjacent to the peripheral side of the magnetic core. Wherein the magnetic element and the peripheral structural body are combined to form a magnetic assembly, one manufacturing method of the magnetic assembly is to thin the top surface and / or the bottom surface of the magnetic assembly through a thinning process, the other manufacturing method of the magnetic assembly is to thin the top surface and / or the bottom surface of a magnetic core through the thinning process, and / or to thin PINs of a magnetic core winding through the thinning process.

The present invention discloses a magnetic component and a manufacturing method thereof, wherein the magnetic component comprises a magnetic element and a peripheral structure. The magnetic element comprises a magnetic core and a winding, wherein the winding is embedded in the magnetic core, and a PIN foot is formed through the top surface and / or the bottom surface of the magnetic core. The peripheral structure is arranged adjacent to the peripheral side of the magnetic core. The magnetic element and the peripheral structure are combined to form a magnetic assembly, and one method for manufacturing the magnetic component is to thin the top surface and / or the bottom surface of the magnetic assembly through a thinning process, and another method is to thin the top surface and / or the bottom surface of the magnetic core through a thinning process, and / or, to thin the PIN foot of the magnetic core winding through a thinning process.

The utility model relates to a kind of substrate and power module, substrate at least includes the conductive layer being arranged in one side, the conductive layer includes sequentially arranged input welding area, lower bridge power device welding area, upper bridge power device welding area, output welding area along first direction, input welding area includes the input positive electrode welding area and input negative electrode welding area being arranged in second direction, upper bridge power device welding area is equipped with multiple, the quantity of lower bridge power device welding area is same with the quantity of upper bridge power device welding area, in second direction, first connecting area is equipped between adjacent lower bridge power device welding area, first connecting area is connected with input negative electrode welding area, in second direction, second connecting area is equipped between adjacent upper bridge power device welding area, second connecting area is connected with all lower bridge power device welding area.The utility model uses compact partition design, and power device is all welded in each partition in the form of patch, reduce power loop parasitic inductance and module volume.

The utility model discloses a single-crystal power supply module, relates to the technical field of power supplies, and aims to solve the problems that a traditional single-crystal power supply is poor in heat dissipation effect and low in efficiency. An output assembly is arranged at one end of a box body, a water cooling assembly is arranged in the box body, the output assembly is fixed to the water cooling assembly, and a high-frequency transformer is fixed to one side of the water cooling assembly; the output inductor is connected in series with the end part of the high-frequency transformer, the output inductor is fixed on the water-cooling assembly, the input assembly is arranged on the other side of the water-cooling assembly, the Hall is arranged on the output assembly, the support capacitor is fixed on the water-cooling assembly, the output rectifier diode is arranged on one side of the high-frequency transformer, and the inverter module group is fixed on the water-cooling assembly. The inversion module group is connected with the input assembly and is arranged on the same side of the water cooling assembly with the input assembly, and the blocking capacitor is fixed on a bottom plate of the box body and is connected in series with the inversion module group.

According to the battery box and the battery pack, the battery box comprises a box body and a controller cover, the box body comprises a box body and a beam body arranged on the box body, the beam body and the box body define a first cavity used for containing a battery, and the controller cover is connected with the beam body and can define a second cavity used for containing a control module with the beam body; moreover, a mounting opening is formed in the beam body, and the mounting opening is communicated with the first cavity and the second cavity, so that when the battery is arranged in the first cavity and the control module is arranged in the second cavity, the control module can be inserted into the first cavity from the second cavity through the mounting opening; the interaction speed of the control module and the battery in the first cavity can be improved to a certain degree, meanwhile, the controller cover is arranged on the side, away from the first cavity, of the beam body, so that the controller cover and the second cavity are both located on the outer side of the box body, the situation that the controller occupies the space in the first cavity can be avoided, and the service life of the controller is prolonged. And the influence on the energy density of the battery pack is reduced.

This invention provides an integrated uniform temperature direct cooling battery heat exchange plate, comprising: a left current collector, a right current collector, a large harmonica tube, a small harmonica tube, a water inlet pipe, a water outlet pipe, and a temperature distribution plate; the left current collector comprises: a left current collector pipe, a left current collector shell, and a left current collector cover; the left current collector pipe is a hollow pipe closed at both ends; the inner surface of the left current collector shell is fitted onto the outer surface of the left current collector pipe and located on both sides of the first surface, the cross-sectional side of the left current collector shell being longer than the cross-sectional side of the left current collector pipe; the left current collector cover and the left current collector shell are fitted together facing each other; the left current collector pipe forms a first cavity; the left current collector shell, the first surface, and the left current collector cover form a second cavity; the left side of the small harmonica tube is closed and connected to a first pipe; the left side of the large harmonica tube is closed and connected to a second pipe. This invention's integrated uniform temperature direct cooling battery heat exchange plate is an integral current collector structure, shortening the pipe connection path, simplifying the structure, effectively reducing frictional resistance, and achieving battery heat exchange.