29 results about "DC connector" patented technology

The utility model relates to a simple direct current connector, which comprises an upper connector, the upper connector comprises an upper connecting seat, a plugging cavity with an open bottom is arranged in the upper connecting seat, and a central pin, a first conductive metal ring and an isolating ring which are concentric but different in diameter are sequentially arranged in the plugging cavity from the center to the outside. A second conductive metal ring and a third conductive metal ring which are not higher than the isolating ring and the first conductive metal ring are respectively arranged on the inner side wall and the outer side wall of the isolating ring; the top surface of the upper connecting seat is provided with four groups of upper wiring terminal sheets which are respectively connected with the central pin, the first conductive metal ring, the second conductive metal ring and the third conductive metal ring, the connector can be used as a direct current connecting element, the size of the connector is small, the overall material consumption is reduced, the cost is lower, and the cost is reduced. Compared with other connectors, the connector has a price advantage.

The application relates to the technical field of DC connector processing, and discloses a DC connector and a riveting and pressing equipment thereof, the DC connector riveting and pressing equipment comprises a rack, a riveting and pressing system, a wire guiding system and a limiting system, the riveting and pressing system is composed of a punch, a lower blade and an upper blade; the wire guiding system comprises a mounting seat, a guiding seat, a pressing seat and a first driving piece, the first driving piece drives the pressing seat to act; the limiting system comprises a limiting seat, a connecting piece and a reset piece, the limiting seat can be controlled to move and reset during riveting and pressing; the application further discloses a DC connector which is riveted and pressed to the terminal of the connector by the equipment; the application can accurately and efficiently complete the riveting and pressing operation of the DC connector core wire and the terminal, improve production efficiency and product quality, and reduce production cost; meanwhile, the DC connector adopts inner and outer membranes with different hardness, supports the product, and plays a buffering protection role when the product is subjected to external collision and extrusion.

A portable power supply may include an internal power source and a active front-end converter connected to the internal power source. The active front-end converter includes a positive DC connector lead, a negative DC connector lead, a positive source side lead, a negative source side lead, and a plurality of switches. The active front-end converter is configured to operate as a DC-DC converter for DC input signals and an AC-DC inverter for AC input signals. The portable power supply also includes an AC source input, and a DC source input.

The invention relates to the technical field of DC connectors, in particular to a center pin structure riveted DC connector and riveting equipment thereof.The DC connector comprises a connector main body and a center pin riveted on the connector main body, a baffle ring is integrally formed on the outer side of the center pin, a positioning step is formed at the riveting end of the center pin, and the center pin is riveted on the positioning step. The DC connector can lock the terminal and prevent the central pin from shaking back and forth. The riveting equipment is composed of the lifting part, the riveting part and the bearing part, and the riveting part is provided with the riveting head capable of conducting heating and the driving mechanism for driving the riveting head to rotate. The bearing part comprises a base plate fixedly installed on the top of the base plate, a bracket fixed to the top of the base plate, a supporting block arranged in the bracket and used for supporting the center needle, and a rotating mechanism arranged in the bracket and used for driving the supporting block to rotate. And the pressure applied in the riveting process can be reduced.

A semiconductor device has a package substrate, a system-on-chip (SoC) die, and a power management integrated circuit (PMIC) die, arranged in a vertical stack. The SoC die is disposed on a first surface of the package substrate, and the PMIC die is mechanically coupled to a second surface of the package substrate. The PMIC die is electrically coupled to the SOC die via first via connectors of the package substrate and configured to provide DC power to the SOC die via DC connectors electrically coupled to the via connectors of the package substrate. The PMIC die includes thin film inductors, corresponding to the DC connectors, on a surface of the PMIC die and located adjacent to the second surface of the package substrate.

A lighting device with a direct-current connection function comprises a direct-current connector, an electric connector, a rectifier, a driver and a light source. The direct-current connector is provided with a first direct-current connecting end and a second direct-current connecting end. The electric connector is provided with a first electric connecting end and a second electric connecting end. The first end of the rectifier is connected with the second electrical connection end, the third end of the rectifier is connected with the first electrical connection end, the second end of the rectifier is connected with the first DC connection end, and the fourth end of the rectifier is connected with the second DC connection end. The driver is provided with a first input end and a second input end. The first input terminal is connected with the second terminal of the rectifier and the first DC connection terminal, and the second input terminal is connected with the fourth terminal of the rectifier and the second DC connection terminal. The light source is connected with the driver.

The present invention provides a charging socket and a vehicle. The charging socket includes: a device fixed to the vehicle body, a power connector, and a detachable mechanism, wherein the power connector is connected to an electrical connection device and a cable, and the power connector is detachably attached to the device fixed to the vehicle body by the detachable mechanism. According to the present invention, the technical problem of the inconvenient removal and installation of a DC connector and an AC connector on a charging socket is alleviated.

Power conversion device which features: a housing (101, 101A, 101B) containing a DC connector (103) and an AC input (102); a first power conversion circuit (115, 145) housed in the casing; and an isolating circuit (114, 144) and an interrupter, which are housed in the casing; wherein the DC connector (103) can be connected to a DC power input (210) of a vehicle (200), the AC input (102) can be connected to a connector (323) of a cable for AC power (320), the first power conversion circuit (115, 145) is arranged between the AC input and the DC connector and is designed to convert AC power input from the AC input side into DC power and output the DC power to the DC connector side, the isolation circuit (114, 144) is arranged between the AC input and the DC connector, The interrupter is designed to interrupt a current between the AC input and the DC connector when the interrupter detects an abnormality in the current between the AC input and the DC connector, and at one end of the housing on the side of the AC input (102) includes a skirt section (104) which projects around a connecting surface (F1) of the AC input (102), wherein the connecting surface (F1) of the AC input (102) is surrounded by the skirt section (104).

The utility model belongs to the technical field of electric driving, and provides a motor controller, an electric driving device, an electric driving system and electric equipment.The motor controller comprises two power modules, a bus capacitor and a direct current connecting piece, and the two power modules are arranged side by side in the first direction; each power module is provided with a first input terminal and a second input terminal which are opposite in polarity, the bus capacitor is located between the two power modules and provided with a first output terminal and a second output terminal, and the direct-current connecting piece is located between the two power modules and stacked with the bus capacitor in the second direction. The direct current connecting piece comprises a first electrode piece and a second electrode piece which are separated and stacked in the second direction, the first electrode piece is electrically connected to the first output terminal and the first input terminals of the two power modules, and the second electrode piece is electrically connected to the second output terminal and the second input terminals of the two power modules. According to the motor controller provided by the embodiment of the invention, stray inductance is reduced, and the performance of the electric driving device is improved.

The utility model relates to a kind of high-voltage direct-current connectors, including connector main body, X safety capacitor, Y safety capacitor, positive pole copper bar, negative pole copper bar, ground copper bar and installation slot, the X safety capacitor, Y safety capacitor, positive pole copper bar, negative pole copper bar and ground copper bar are all installed on installation slot, the installation slot is installed on connector main body, the X safety capacitor is respectively connected with positive pole copper bar and negative pole copper bar, the Y safety capacitor is respectively connected with ground copper bar and positive pole copper bar, the Y safety capacitor is respectively connected with ground copper bar and negative pole copper bar, the positive pole copper bar, negative pole copper bar and ground copper bar are all for folding piece structure, for tightly fitting installation slot and connector main body.Positive pole copper bar, negative pole copper bar and ground copper bar are all set to folding piece structure, can save the space of motor controller, reduce the space of internal filter, realize smaller electric control volume, higher power density.

This invention discloses a method, apparatus, and device for arcing detection of DC connectors, relating to the photovoltaic field. The method involves determining that the arcing detection of the DC connector passes when the operating power of a pre-set faulty DC connector reaches a preset efficiency, the temperature of the underlying insulating material is below a preset temperature, the arc propagation path at the simulated arc initiation point does not intrude into the insulating material, and the insulating material is undamaged. Considering that arcing in a DC connector can easily lead to a fire, as the plastic components inside the connector may melt and the underlying insulating material may burn, this application pre-simulates a fault in the DC connector, causing arcing during power supply. Data from multiple angles is then used to determine whether a fire will occur under the premise of arcing, thus facilitating the site selection of photovoltaic power plants including DC connectors.

The present invention relates to a method for detecting an open MOSFET transistor in a power module conducting a three-phase current, the power module comprising: a DC-connector module (DCL); -a plurality of MOSFET-type transistors (M1 to M6) connected together in parallel, the method comprising:-a step of charging the DC connector module (DCL); -a step of pulsing by shorting the three phases,-a step of comparing the voltage (VUV, VVW, VUW) between the two phases (U, V, W) with a reference value of a reference power module,-an ascertaining step in which there is an open MOSFET transistor between the measured phases if the difference is greater than a threshold value and in which there is an open MOSFET transistor between the measured phases if the difference is less than said threshold value. And if so, all the MOSFETs are closed. The invention also relates to a program based on such a method.

The invention discloses interactive electronic table sign equipment for a conference place. Comprising a shell, an interface, a display screen, a battery pack and a master controller. The shell bears the display screen, the battery pack, the main controller, the camera and the microphone and is provided with a DC connector, a cooling fan, an electric quantity indicating lamp, a USB expansion connector and an on-off key, the battery pack is used for supplying power to the main controller and the display screen, and the main controller drives the display screen, the camera and the microphone to work and is connected to an external control terminal by driving internal WIFI. And the display screen responds to a touch instruction of an operator in real time, and supports to control charging and discharging of the battery pack, startup and shutdown of the main controller and access of USB equipment through the DC connector, the startup and shutdown key and the USB expansion interface.

The invention relates to a vehicle comprising: a motor (M); a converter module (MI); a DC housing module (MDC); and a battery module (MB) including a 800 V battery (BT). A high voltage circuit (HV) connects the converter module (MI) to the DC housing module (MDC) and to the battery (BT). A connector (CX) is connected to the 800 V negative branch and comprises a 400 V circuit branch (LV) connected to the motor (M). The converter module (MI) comprises an AC-to-DC converter connected to the motor (M) and to the 800 V battery (BT). According to the invention, the DC connector module (DCL) comprises two capacitor branches (B1, B2), one of which is deactivatable and is connected to the shunt (D2) of the 400 V branch (LV). The invention also relates to a method and a program based on such a vehicle.

The utility model relates to a kind of high-voltage direct-current connector with magnetic ring, including connector main body, X safety capacitor, Y safety capacitor, E-shaped magnetic ring, I-shaped magnetic ring, positive pole copper bar, negative pole copper bar, ground copper bar and installation slot, the X safety capacitor, Y safety capacitor, E-shaped magnetic ring, I-shaped magnetic ring and ground copper bar are all installed in installation slot, the installation slot is installed on connector main body, the positive pole copper bar and negative pole copper bar are installed on E-shaped magnetic ring, the X safety capacitor is respectively connected with positive pole copper bar and negative pole copper bar, the Y safety capacitor is respectively connected with ground copper bar and positive pole copper bar, the Y safety capacitor is respectively connected with ground copper bar and negative pole copper bar.E-shaped magnetic ring and I-shaped magnetic ring are set, positive pole copper bar, negative pole copper bar and insertion E-shaped magnetic ring are simultaneously, while improving anti-interference, the space of motor controller can be saved, the space of internal filter is reduced, smaller electric control volume, higher power density are realized.

1. Name of the product in this design: Micro Inverter Integrated (DC Connector). 2. Purpose of this design: Connector for use in photovoltaic inverters. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present specification describes a charging adapter that is switchable between two configurations. The charging adapter includes a charging station port and a vehicle port. The vehicle port includes 1) a set of alternating current (AC) connectors used during AC charging and 2) a set of direct current (DC) connectors used during DC charging. The charging adapter also includes an input switch to receive selection between AC charging and DC charging. The charging adapter also includes a selector that 1) retracts the set of DC connectors when AC charging is selected and 2) electrically disconnects the set of AC connectors from the charging station port when DC charging is selected.

System to set up an autonomous temporary solar farm, comprising a multitude of photovoltaic power modules (1, 1′, 1″) and a multitude of battery modules (2, 2′, 2″), wherein the photovoltaic power modules (1, 1′, 1″) and the battery modules (2, 2′, 2″) each comprise compatible electrical DC connectors (3, 3′), so that the battery modules (2, 2′, 2″) can be electrically connected to and charged by the photovoltaic power modules (1, 1′, 1″), wherein the system comprises at least one magazine (4) adapted to hold both the photovoltaic power modules (1, 1′, 1″) and the battery modules (2, 2′, 2″), at least one robotic vehicle (5) comprising a holding platform (6) to hold the magazine (4), and a manipulator mechanism (8) that is adapted to extract a photovoltaic power module (1, 1′, 1″) and / or a battery module (2, 2′, 2″) from the magazine (4) and place it on a ground surface, and / or pick up a photovoltaic power module (1, 1′, 1″) and / or a battery module (2, 2′, 2″) from a ground surface and insert it into the magazine (4).

The embodiment of the present disclosure provides an electric drive system shell and a vehicle, and relates to the technical field of vehicles. The electric drive system shell comprises a controller shell, a reducer shell and a motor shell, the bottom of the controller shell is connected with the upper end surface of the motor shell, and the reducer shell is connected with one side of the motor shell; a first fast charging connector and a first DC-DC connector are arranged on the first side wall of the controller shell; a second fast charging connector and a second DC-DC connector are arranged on the second side wall of the controller shell, the first side wall is adjacent to the second side wall, and the second side wall is located on the side close to the reducer shell. The electric drive system shell provided by the embodiment of the present disclosure can be adapted to two cases of shaft front and shaft rear arrangement of the electric drive system, has better applicability, and is favorable for reducing the production cost of the vehicle.

This invention discloses a collaborative operation and maintenance system and method for photovoltaic power plant equipment based on digital twins, belonging to the field of equipment collaboration technology. This invention improves the accuracy of contact degradation diagnosis and the coverage dimension of cross-equipment fault impact assessment in the collaborative operation and maintenance process of DC connectors in photovoltaic power plants, thereby achieving efficient and accurate degradation stage identification and arc initiation probability prediction. It significantly improves the fault identification accuracy and collaborative operation and maintenance scheduling reliability in the operation and maintenance process of photovoltaic power plants, effectively prevents insufficient response of fixed threshold parameter settings to actual degradation evolution changes, avoids influence domain bias and fault misjudgment caused by experience judgment, effectively improves the pertinence and operation and maintenance effect of the final collaborative operation and maintenance scheduling scheme, identifies DC connectors and their related equipment that affect the safe operation of photovoltaic power plants, and ensures a high degree of consistency between collaborative operation and maintenance scheduling measures and actual cascading fault propagation risks.

System to set up an autonomous temporary solar farm, comprising a multitude of photovoltaic power modules (1, 1', 1'') and a multitude of battery modules (2, 2', 2''), wherein the photovoltaic power modules (1, 1', 1'') and the battery modules (2, 2', 2'') each comprise compatible electrical DC connectors (3, 3'), so that the battery modules (2, 2', 2'') can be electrically connected to and charged by the photovoltaic power modules (1, 1', 1''), wherein the system comprises at least one magazine (4) adapted to hold both the photovoltaic power modules (1, 1', 1'') and the battery modules (2, 2', 2''), at least one robotic vehicle (5) comprising a holding platform (6) to hold the magazine (4), and a manipulator mechanism (8) that is adapted to extract a photovoltaic power module (1, 1', 1'') and / or a battery module (2, 2', 2'') from the magazine (4) and place it on a ground surface, and / or pick up a photovoltaic power module (1, 1', 1'') and / or a battery module (2, 2', 2'') from a ground surface and insert it into the magazine (4).

System to set up an autonomous temporary solar farm, comprising a multitude of photovoltaic power modules (1, 1′, 1″) and a multitude of battery modules (2, 2′, 2″), wherein the photovoltaic power modules (1, 1′, 1″) and the battery modules (2, 2′, 2″) each comprise compatible electrical DC connectors (3, 3′), so that the battery modules (2, 2′, 2″) can be electrically connected to and charged by the photovoltaic power modules (1, 1′, 1″), wherein the system comprises at least one magazine (4) adapted to hold both the photovoltaic power modules (1, 1′, 1″) and the battery modules (2, 2′, 2″), at least one robotic vehicle (5) comprising a holding platform (6) to hold the magazine (4), and a manipulator mechanism (8) that is adapted to extract a photovoltaic power module (1, 1′, 1″) and / or a battery module (2, 2′, 2″) from the magazine (4) and place it on a ground surface, and / or pick up a photovoltaic power module (1, 1′, 1″) and / or a battery module (2, 2′, 2″) from a ground surface and insert it into the magazine (4).

1. Name of the product in this design: Charger (DC head). 2. Purpose of this design: This design is used to charge equipment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to the technical field of electric vehicles, and provides a motor controller, a power assembly and an electric vehicle, a groove-shaped shell of the motor controller is used for containing a direct current copper bar, a magnetic ring and a motor controller module, and the opening direction of a center hole of the magnetic ring is the same as the opening direction of the groove-shaped shell; therefore, the Z-direction size of the magnet ring is small, and the Z-direction size of the motor controller can be reduced. One end of the direct current copper bar is used for fixing and electrically connecting the motor controller module, the other end of the direct current copper bar is used for fixing and electrically connecting the direct current connector, and a part between one end and the other end of the direct current copper bar is used for penetrating through a central hole of the magnetic ring along a notch direction of the groove-shaped shell; the arrangement direction of one end and the other end of the direct-current copper bar intersects with the opening direction of the center hole of the magnetic ring, so that the direct-current copper bar occupies a small Z-direction size, miniaturization of a motor controller is facilitated, miniaturization of a power assembly is facilitated, and layout of an electric vehicle is facilitated.

The application relates to a heat management system of an electric drive system of a hybrid vehicle and an automobile, comprising: a motor control module configured to acquire AC integration of an AC element or DC integration of a DC element from starting of the automobile to a t moment, compare the AC integration or the DC integration with a set AC integration threshold value or DC integration threshold value of the t moment, and adjust peak power or rated power of the electric drive system according to a comparison result, wherein the DC element includes but is not limited to a DC connector or a DC copper bar of a motor controller, and the AC element is a three-phase connector or a three-phase wire harness of the motor controller. According to the application, the peak power and the rated power of the electric drive system can be reasonably adjusted according to different ambient temperatures, the capacity of the electric drive system can be fully released, the thermal safety of the electric drive system can be ensured, and the system reliability can be improved.

The utility model discloses a lamp with double DC connectors, relates to the technical field of lighting equipment, and aims to solve the problems of complicated wiring and inconvenience in installation caused by position limitation of a socket of a traditional lamp with a single DC connector. A first packaging head and a second packaging head are arranged at the two ends of a long-strip-shaped lamp holder shell respectively, DC connectors are correspondingly installed on the packaging heads, and a circuit board is connected with the double DC connectors through a switching circuit containing diodes and matched with a power management module to achieve automatic power supply switching. The double-interface layout allows a user to select an access direction according to the position of the socket without winding; the diode switching circuit prevents dual-power conflict and ensures safe and stable power supply; and the modular packaging structure strengthens the stability and compatibility of the joint. The utility model is suitable for low-voltage lamps such as LED table lamps, atmosphere lamps and the like, improves the installation flexibility and user experience, and has the advantages of simple structure and controllable cost.

The embodiment of the utility model provides a pre-charging system and a vehicle. The pre-charging system comprises a high-voltage battery, a high-voltage direct-current connector, a flyback circuit, a low-voltage direct-current connector, a first capacitor and a low-voltage battery. The anode of the high-voltage battery is connected with the first end of the high-voltage direct-current connector, the cathode of the high-voltage battery is connected with the second end of the high-voltage direct-current connector, the third end of the high-voltage direct-current connector is connected with the first end of the flyback circuit and the anode of the first capacitor, and the fourth end of the high-voltage direct-current connector is connected with the second end of the flyback circuit and the cathode of the first capacitor. The positive electrode of the low-voltage battery is connected with the first end of the low-voltage direct-current connector, the negative electrode of the low-voltage battery is connected with the second end of the low-voltage direct-current connector, the third end of the low-voltage direct-current connector is connected with the third end of the flyback circuit, and the fourth end of the low-voltage direct-current connector is connected with the fourth end of the flyback circuit; and the flyback circuit is used for pre-charging the first capacitor by the low-voltage battery. According to the embodiment of the invention, the reverse pre-charging efficiency can be improved.

This application belongs to the field of electric vehicle technology. It provides a motor controller, a powertrain, and an electric vehicle. Two copper busbars of the DC connector of the motor controller extend through the side wall of the housing into the housing. A connector is connected to the two copper busbars of the DC connector via two fixing members. A filter circuit board distributed within the motor controller housing filters the DC power transmitted through the connector, improving the filtering effect. The two fixing members pass through the two copper busbars of the DC connector and the connector along a first direction and protrude from the surface of the connector. The filter circuit board is distributed between the housing and the connector along the first direction. The gap between the two fixing members accommodates the filter circuit board, reducing its footprint within the motor controller and thus improving the DC power filtering effect and saving space in the motor controller. This is beneficial for the powertrain layout in the electric vehicle.

The present invention relates to an electric vehicle, wherein the electric vehicle comprises a power supply device that receives single-phase or three-phase AC power from an external source, a charging connector that is connected to the power supply device and has an OBC-grade DC slow connector or DC fast connector that can connect and connect the DC power converted through a power conversion device to an inlet mounted on the electric vehicle, a power conversion device that receives single-phase or three-phase AC power from the power supply device or receives only three-phase AC and converts it into DC and supplies charging power to a battery pack with a BMS built-in for the electric vehicle through the charging connector and has a display unit 330 that allows a user to check the charger status and the charging status of the battery pack, and a power conversion device that controls the charging system in an integrated manner and communicates with the BMS through either a PLC modem or a CAN communication. A DC slow charging system for an externally installed electric vehicle that replaces the OBC function is configured with a communication control unit means that controls charging and displays the presence or absence of a DC supply on the display unit regardless of whether an OBC is installed in the electric vehicle, and wherein the OBC-grade DC slow connector or the DC connector for rapid charging is characterized in that either one of the DC connectors is selected by the user of the electric vehicle and connected to the inlet of the electric vehicle, thereby implementing an electric vehicle without an OBC, thereby reducing the sales cost of the electric vehicle since there is no need for an OBC and wiring according to OBC installation, preventing electrical fires caused by failure or malfunction of the OBC, improving the driving range due to a reduction in the weight of the vehicle, and significantly reducing the reliability and manufacturing cost of the charging system with an integrated communication system.