16results about How to "Reduce charge" patented technology

The utility model discloses a liquid double rotor compressor and air conditioning system, wherein liquid double rotor compressor includes compressor body and gas -liquid separation liquid storage jar A, the compressor body includes seal cylinder body, be equipped with upper pump cavity and lower pump cavity in the seal cylinder body, be equipped with upper eccentric rotor in the rotation of upper pump cavity, be equipped with lower eccentric rotor in the rotation of lower pump cavity, the top of seal cylinder body is equipped with liquid outlet B, the side bottom of seal cylinder body is equipped with liquid inlet B, the top of gas -liquid separation liquid storage jar A is equipped with liquid inlet A, the bottom of gas -liquid separation liquid storage jar A is equipped with liquid outlet A, liquid outlet A and liquid inlet B are communicated through liquid -passing pipe. The utility model discloses liquid double rotor compressor and air conditioning system can reduce the risk of fluorine pump cavitation and promote the operation efficiency.

The utility model discloses a heat pump steam generating device which comprises a heat pump system and a steam system, the steam system is a shell and tube heat exchanger and comprises a barrel, tube plates used for fixing heat exchange tube bundles are arranged at the two ends of the barrel, and the heat exchange tube bundles are erected between the two tube plates at intervals from top to bottom. The tube plate and the inner wall of the barrel body form a tube box communicated with the heat exchange tube bundles, a pass partition plate for dividing a heat medium in the tube box to flow multiple heat exchange tube bundles from top to bottom is arranged in the tube box, a heat medium inlet is formed in the upper end of the tube box on one side, and a heat medium outlet is formed in the lower end of the tube box on one side; a steam outlet is formed in the top of the barrel; and a heat medium pipeline of the heat pump system is communicated with a heat medium inlet of the shell and tube heat exchanger and exchanges heat with the water circulation shell path. The high-temperature heat medium of the heat pump firstly exchanges heat with the water vapor with higher temperature through the pass partition plate, the temperature of the water vapor is further increased, and high-temperature and high-pressure water vapor higher than 150 DEG C can be directly generated without arranging a water vapor gas-liquid separation device and a flash tank.

The utility model belongs to the technical field of heat exchangers, and discloses an evaporator and a refrigerating system. The evaporator comprises a shell, a gas-liquid separator, a plurality of heat exchange tubes and a first distributor. Wherein the top of the shell is provided with a liquid inlet and an exhaust port, and the bottom of the shell is provided with a gas inlet; a gas-liquid two-phase refrigerant enters the gas-liquid separator from an inlet of the gas-liquid separator, a liquid outlet of the gas-liquid separator is communicated with the liquid inlet so as to convey a liquid refrigerant into the shell, and a gas outlet of the gas-liquid separator is communicated with the gas inlet so as to convey a gas refrigerant into the shell; the plurality of heat exchange tube bundles are arranged in the shell at intervals; the first distributor is arranged in the shell and located above the multiple heat exchange pipes, and the first distributor is configured to distribute the liquid refrigerant to the multiple heat exchange pipes. According to the evaporator, the heat exchange effect is guaranteed, meanwhile, the filling amount of refrigerants is small, the structure is simple, and cost is low.

This invention provides an air conditioning unit using a low-GWP, weakly flammable refrigerant, comprising an indoor cavity and an outdoor cavity. The outdoor cavity houses a compressor and a condenser, while the indoor cavity houses an evaporator. The indoor and outdoor cavities are arranged side-by-side. The compressor, condenser, and evaporator are sealed together via piping to form a refrigeration circuit. This refrigeration circuit is filled with a unidirectionally flowing low-GWP, weakly flammable refrigerant. The compressor is located on the side of the outdoor cavity closest to the indoor cavity, and the evaporator is located on the side of the indoor cavity closest to the outdoor cavity. A heating element, which independently executes the air conditioning unit's heating mode, is located on the side of the indoor cavity furthest from the compressor. This invention provides an air conditioning unit using a low-GWP, weakly flammable refrigerant. By filling a closed refrigeration circuit with this refrigerant, unidirectional flow refrigeration is achieved, and the heating element provides heating. The use of a microchannel condenser reduces the refrigerant charge, lowers costs, and reduces energy consumption.

The invention relates to an energy storage layout method for minimizing charging off-grid electric quantity of a new energy delivery base. The method comprises the following steps: acquiring basic data of a power base to be planned; setting a to-be-optimized variable; on the basis of the basic data and the variables to be optimized, calculating the annual charging off-grid electric quantity of the energy storage device in the base; establishing a nonlinear optimization model by taking the lowest network electric quantity of the energy storage device in the base under annual charging as an optimization target and combining the basic data and the variables to be optimized; outputting construction power for configuring energy storage and construction power for independent energy storage for each new energy station; and introducing an intermediate variable to convert the nonlinear optimization model into a linear programming model, and solving to obtain new energy station configuration energy storage and independent energy storage construction power. By scientifically optimizing the energy storage configuration scale of each new energy station in the base, the energy storage charging demand is fully ensured to be supplied by the local new energy electric quantity as far as possible, the base energy storage off-network charging electric quantity is minimized, and the base energy storage off-network charging electric quantity is effectively reduced.

The utility model discloses a low incidental damage shaped charge cutting door breaking device, which comprises a protective main body, shaped charge, a double faced adhesive tape and a detonating network, the protective main body is of a hollow rectangular frame structure and is made of an EVA light material, and the double faced adhesive tape is arranged on the surface of the protective main body and is used for being adhered and fixed with an anti-theft door body; the shaped charge is formed by splicing linear shaped cutting ropes with differentiated charge in a rectangular manner, and long edges and short edges are lapped alternately through 45-degree notches and 90-degree notches to form a closed cutting path; the detonating network comprises an electric detonator, a detonating line and a detonator and is used for detonating the shaped charge. Therefore, the device adopts an EVA (Ethylene Vinyl Acetate) protection main body, absorbs impact, is free of fatal splashes after being broken, is subjected to differential charging (large 58g / m and small 42g / m) to ensure that three sides are fully cut and turned inwards, one side is partially cut and adhered to form a channel, a linear energy-gathered cutting cable is subjected to jet flow precise cutting by an explosive type cover, the explosive quantity is reduced, the efficiency is improved, and the device is adaptive to security doors of grade A and below, is fixed by a double-sided adhesive tape, is remotely detonated, and is convenient and safe.

Systems and methods for load management of an electrical grid. An example load management system includes a load management server associated with a grid company and a first charging meter communicatively coupled to the load management server. The first charging meter includes a first controller configured to determine a user priority of load allocation for a plurality of devices in communication with the first charging meter and to determine a current power drawn by the plurality of devices. The first controller is configured to, in response to the load shedding event and based on the user priority, transmit a load shedding command to the plurality of devices to indicate a new amount of power to be drawn by the plurality of devices, and transmit an indication of the load shedding event to the load management server.

The utility model belongs to refrigerating unit technical field, concretely is a kind of siphon standpipe structure for refrigerating unit, including main pipe body and guide pipe, guide pipe is fixedly connected with the top of main pipe body, the side of main pipe body is fixedly connected with first connecting pipe and second connecting pipe, the bottom of the side of main pipe body far from first connecting pipe is fixedly connected with third connecting pipe;Siphon standpipe is usually integrated with unit, only need to connect condenser pipeline on site, reduce on-site welding and debugging time, replace traditional complex siphon pipe and its supporting pipeline assembly, reduce pipeline complexity, reduce installation error risk, reduce the static stock of refrigerant in system, to reduce the filling amount.The utility model integrates siphon standpipe assembly in refrigerating unit by optimizing pipeline layout, siphon standpipe is factory-made pressure pipeline assembly, according to the different characteristics of each system, design and process targetedly, satisfy difference while guarantee system matching degree, make system more stable operation.

The application discloses a liquid metal-phase change working medium composite type temperature equalizing cold plate and belongs to the technical field of electronic equipment heat dissipation. The device comprises a shell, a first flow channel, a second flow channel, an evaporation cavity, a condensation cavity, a partition plate and a filling port. The liquid metal flows inside the first flow channel to absorb heat. The first flow channel is internally provided with the partition plate. The liquid metal changes the flow direction at the partition plate and enters the second flow channel to release heat. The second flow channel is staggered with the evaporation cavity. The phase change working medium inside the evaporation cavity absorbs the heat transferred by the liquid metal inside the second flow channel. The steam formed by the evaporation of the working medium is condensed on the wall surface of the condensation cavity. The condensed liquid working medium flows back to the evaporation cavity through the inclined wall surface. The filling port is communicated with the condensation cavity and can adjust the pressure of the phase change working medium by filling and discharging the working medium. The application combines the liquid metal with the phase change heat transfer, effectively suppresses the temperature rise in the heat exchange process of the liquid metal, improves the temperature equalization of the electronic equipment and enhances the reliability of the equipment.

An oil separation system compact layout mine explosion-proof refrigeration unit, including screw compressor, oil cooler, economizer, condenser and evaporator, also includes a series of first oil separator and second oil separator, two oil separators preferably vertical structure, close to and parallel arrangement, can replace the bulky horizontal oil separator, make full use of mine roadway vertical space, significantly reduce the equipment volume. The condenser refrigerant output end is divided into three, three refrigerant through the synergistic heat exchange between the economizer, evaporator and oil cooler, can be supercooled treatment of refrigerant working fluid, reduce the evaporation of liquid and oil cooling liquid gas flash, strengthen the evaporation heat transfer and oil cooling heat transfer effect, ensure the temperature stability of lubricating oil, reduce the refrigeration unit with liquid. It can take into account the underground narrow roadway transport and installation, avoid the equipment module in the process of moving collision, improve the working efficiency of refrigeration unit, meet the needs of various small mine mining.

The utility model discloses a multi-connected air conditioning system with redundancy design. The multi-connected air conditioning system comprises at least two first outdoor units used for refrigerating / heating, closed channels corresponding to the first outdoor units one by one and at least one second outdoor unit. At least one indoor unit is arranged in each closed channel, each first outdoor unit is connected with the indoor unit in the corresponding closed channel, and each second outdoor unit is independently connected with all the indoor units in the corresponding closed channel. Compared with the prior art, the air conditioning system has the advantages that the equipment cost and the system manufacturing cost are reduced, and the energy efficiency and the stability of the air conditioning system are improved.

The invention provides a display substrate and a display device, and relates to the technical field of display, the display device can improve the problem that a screen turns green due to electrostatic charges, and then the display effect is improved. The display substrate comprises a display area and a non-display area connected with the display area, the non-display area comprises an edge area and a first dam area, and the first dam area is located between the display area and the edge area; the display substrate further comprises a substrate; the anti-static layer is arranged on the substrate; the anti-static layer is at least located in the edge area; the driving unit and the touch unit are arranged on the substrate; wherein the driving unit is located in the display area, and the touch unit is located in the display area and the non-display area and covers the driving unit; wherein the anti-static layer and the touch control unit are arranged on the same layer, or the anti-static layer is arranged on the side, away from the substrate, of the touch control unit.

This application discloses a battery cell and a battery pack, relating to the field of power battery technology. In the battery cell, an electrode assembly is disposed within a housing; a top cover is connected to the housing along a first direction; an insulating member is disposed within the housing, located on the side of the top cover near the electrode assembly; a connecting piece is disposed within the housing and electrically connected to the electrode assembly; a first end of a resistor is connected to the top cover, and a second end of the resistor passes through the insulating member along the first direction and is connected to the connecting piece; the top cover and the resistor have mutually cooperating mating parts. The resistor can conduct electricity to form a short circuit between the top cover and the connecting piece when the temperature of the battery cell continuously rises, causing the battery to discharge rapidly to a low charge level, thereby reducing the battery's charge level. Even if thermal runaway of the battery cell is triggered, the risk of the discharged battery catching fire or exploding is reduced. This improves battery safety and reduces the risk of thermal runaway propagation.

This utility model discloses an oblong, flooded evaporator for refrigeration, relating to the field of evaporator technology. It aims to solve the problem that increased refrigerant charge due to increased internal space in the evaporator shell leads to liquid carryover during compressor intake, significantly affecting unit stability. The key technical features include an evaporator shell with a support bracket, an air intake port, and an adjustment port for overall internal gas regulation fixedly connected from right to left at the upper end. A liquid inlet is fixedly connected at the lower end of the evaporator shell. The evaporator shell has a waist-shaped cross-section. A left water chamber is fixedly connected to the left side of the evaporator shell, and a right water chamber is fixedly connected to the right side. This design achieves a higher superheat at the top compared to traditional air conditioners, thus improving the overall energy efficiency of the unit.

This invention relates to a claw-lock structure with load-bearing, anti-rotation, and flexible unlocking functions. During installation, the claw-lock rod is inserted into the housing, aligning with the keyway corresponding to the claw-lock rod. The locking piston is then placed into the thrust piston, followed by the locking plate. A plug is screwed into the thrust piston, ensuring the plug abuts against the locking plate, which in turn abuts against the locking piston. The assembled thrust piston is then placed into the housing, and the cap is screwed into the housing along its external thread, ensuring the cap is firmly against the thrust piston, guaranteeing that the conical surfaces of the four claws of the claw-lock rod are tightly against the conical surfaces of the locking piston. This invention uses a claw-lock rod instead of the locking rod, split nut, and anti-rotation pin found in existing release nuts, reducing the number of parts and simplifying the installation process. It achieves load-bearing separation using a rigid load-bearing and flexible separation method, preventing collisions between structures during operation and resulting in a significant impact response. The entire separation process is smooth, with a significant low-impact separation effect.