77results about How to "Shorten the flow path" patented technology

The invention discloses a trapezoidal manifold-microchannel cold plate with a micro-pin-fin porous structure, and belongs to the technical field of heat dissipation of electronic equipment. The device comprises an upper cover plate, a manifold layer, a micro-channel layer and a lower cover plate, the manifold layer comprises an inlet, an outlet, an inlet flow equalizing cavity, an outlet flow equalizing cavity, a manifold inlet channel and a manifold outlet channel, and the micro-channel layer comprises an acceleration section, a buffer section and a micro-pin-fin porous structure. Fluid is distributed to the manifold inlet channel through the flow equalizing cavity under the action of pump work, then enters the micro-channel layer through the manifold inlet channel and takes away heat transferred by the lower cover plate in the micro-channel, and the fluid absorbing heat enters the outlet flow equalizing cavity through the manifold outlet channel. And the manifold structure shortens the flow path, so that the flow is in a development stage, and heat exchange is enhanced while the flow resistance is reduced. The acceleration section of the micro-channel layer inhibits phase change backflow, and the acceleration section and the buffer section are formed by the micro-pin-fin porous structure, so that the formation of a vaporization core is accelerated, and the stability of two-phase boiling is improved.

The utility model relates to the technical field of medical imaging equipment, in particular to a detector heat dissipation device and a detector assembly thereof. The detector heat dissipation device comprises a shell and a heat exchange plate, the shell is provided with a cavity, the heat exchange plate is installed in the cavity, a plurality of heat dissipation pieces are arranged on the heat exchange plate, gaps are formed between the adjacent heat dissipation pieces, an inlet and an outlet are formed in the two sides of the shell in the width direction, the cavity is divided into a plurality of sub-spaces, and the sub-spaces are communicated with the inlet and the outlet. And the inlet and the outlet are respectively communicated with the plurality of subspaces. The detector has the advantages that the inlet and the outlet are formed in the width direction of the shell, heat of the heat exchange plate installed in the shell is taken away through flowing of the heat dissipation medium between the inlet and the outlet, the flowing path of the heat dissipation medium is shortened, the temperature gradient on the heat exchange plate is reduced, and the heat dissipation efficiency and the working capacity of the detector are improved.

The utility model provides a range extender assembly, which belongs to the technical field of electric automobile range extenders, and comprises an engine, a speed change device, a generator and a range extender shell which are connected in sequence, the range extender shell is used for accommodating the speed change device and the generator, a motor controller is integrated on the range extender shell, and the generator is connected with the motor controller through a connector. According to the range extender assembly, both the engine and the generator work in a high-efficiency area through the speed change device, the external size of the range extender assembly and the occupied cabin space of the range extender assembly are smaller, the heat dissipation and cooling efficiency is higher, and the lubricating effect is better.

The invention discloses a water immersion type energy storage battery box integrated system which comprises an immersion type energy storage battery box, a heat exchanger, an ultrapure water preparation machine and a liquid storage tank, a cooling liquid outlet of the water immersion type energy storage battery box is connected with an inlet of the liquid storage tank, an outlet of the liquid storage tank is connected with an inlet of the ultrapure water preparation machine, an outlet of the ultrapure water preparation machine is connected with an inlet of the heat exchanger, and an outlet of the heat exchanger is connected with a cooling liquid inlet of the water immersion type energy storage battery box; the cooling liquid inlet and the cooling liquid outlet are correspondingly formed in the two opposite sides of the water-immersed energy storage battery box, and the cooling liquid inlet is higher than the cooling liquid outlet so that local immersion can be achieved. Through a local immersion mode, the heat dissipation (heating) capability of the battery can be enhanced, the effective utilization efficiency of the battery is improved, the temperature difference between the battery monomers is balanced, the fire-fighting property of the energy storage battery is enhanced, and meanwhile, the ultrapure water preparation machine is used for preparing ultrapure water as cooling liquid, so that the cost of the immersed energy storage system is greatly reduced.

The utility model discloses a battery box, a battery pack and a power utilization system. The battery box comprises a tray frame and a bottom plate, the top and the bottom of the tray frame are open, the tray frame comprises a plurality of edge beams and at least one limiting beam, the two ends of each limiting beam are connected with the corresponding edge beams respectively, and the limiting beams extend in the first direction. The bottom plate is connected to the bottom of the tray frame, the bottom plate and the tray frame jointly define a plurality of battery cell containing cavities, the battery cell containing cavities are arranged in the second direction, and the second direction is perpendicular to the first direction. And each battery cell accommodating cavity is suitable for being communicated with the outside through an anti-explosion valve. According to the battery box disclosed by the utility model, gas in each battery cell accommodating cavity is directly exhausted from the anti-explosion valve, the arrangement of an exhaust channel in the limiting beam is cancelled, and the flowing path of the gas is shortened, so that the exhaust and pressure relief efficiency is improved, the thickness of the limiting beam is reduced, the size of the battery box is reduced, and the applicability of the battery box is improved.

This invention provides a coolant flow channel plate, relating to the technical field of vehicle thermal management. It includes a cover plate fixed to the top of a main board, with the main board and cover plate welded together at their side edges to form an internal flow channel cavity. The cover plate has refrigeration unit inlet / outlet assemblies on its surface. The main board has, from left to right, a heater pump mounting port, a battery pump mounting port, and a motor pump mounting port. The circuits between the heater pump and battery pump mounting ports, and between the heater pump and motor pump mounting ports, within the internal flow channel cavity are each equipped with a first anti-heat-spreading section. The circuit between the motor pump and battery pump mounting ports forms a variable-diameter section, with a second anti-heat-spreading section at its front end. A guide section is provided on the circuit of the battery pump mounting port. This invention solves the problem of lacking anti-heat-spreading structures at the connection points of circuits in different temperature ranges, achieving the technical effects of reducing vehicle weight, reducing vehicle connection piping, reducing heat loss in the thermal management system, and improving thermal management efficiency.

This application provides a sludge thickening device and method for an integrated aeration sedimentation tank, comprising: a tank with a conical zone at the bottom; a sludge inlet pipe with a dosing pipe connected in parallel at the top, the bottom end of the sludge inlet pipe passing through the center of the tank; sludge distribution pipes arranged in a cross shape and connected to the sludge inlet pipe; supernatant collection pipes distributed in the upper and middle parts of the tank and connected in parallel to the outlet; and an ultrasonic sludge level gauge fixed on one side of the top surface of the tank. By providing a dosing pipe and a pipe mixer at the front end of the sludge inlet pipe, the flocculant can be fully mixed with the sludge water in the pipe. By providing a sludge distribution pipe at the tail end of the sludge inlet pipe, the sludge mixed with the flocculant is evenly distributed throughout the tank, which can improve the sludge dewatering efficiency. At the same time, the conical zone can increase the sludge concentration, and a self-cleaning filter screen is provided above the sludge distribution pipe to further filter the sludge and improve the sludge dewatering speed.

The utility model discloses an electric steamer with an outer water tank, which comprises a base, a steamer assembly arranged on the base and the outer water tank, a steam generating cavity is arranged in the base, a water outlet is arranged on the wall of the outer water tank, a water inlet is arranged on the wall of the steam generating cavity, a connecting pipe is arranged between the water outlet and the water inlet, and the outer water tank is arranged on the outer water tank. The connecting pipe is a flexible sealing pipe, one end of the flexible sealing pipe is connected with the wall of the outer water tank in a sealed mode, and the other end of the flexible sealing pipe is connected with the wall of the steam generating cavity in a sealed mode. According to the electric steamer, the flexible sealing pipe is connected between the outer water tank and the wall portion of the steam generating cavity in a sealed mode, sealing reliability can be guaranteed, a sealing ring is omitted, meanwhile, the machining difficulty of the outer water tank is lowered, the requirement for the coaxiality of the connecting pipe, the water outlet and the water inlet is lowered, the error-tolerant rate deviation is high, and the service life of the electric steamer is prolonged. And the connecting pipe is easy to disassemble and assemble.

The utility model provides a cover plate and a battery, and relates to the technical field of batteries. The cover plate comprises a pole and an electric connecting piece, the pole is provided with a first placement hole, and the first placement hole extends along a preset direction; the electric connecting piece comprises a first connecting part and a second connecting part, the first connecting part is arranged in the first placement hole and connected with the hole wall of the first placement hole, the second connecting part is located outside the first placement hole and connected with the pole, and the first connecting part is used for being connected with a tab. Therefore, the tab of the pole group can extend into the first mounting hole to be connected with the first connecting part, so that the current of the pole group can be directly led out through the electric connecting piece, the flowing path of the current is shortened, and the internal resistance of the battery is reduced.

The invention provides a touch module, a touch screen and electronic equipment, the touch module comprises a plurality of touch units, each touch unit comprises a first electrode and a second electrode, each first electrode comprises a plurality of first sub-electrodes and a plurality of first connecting parts, each first sub-electrode extends along a first direction, the plurality of first sub-electrodes are arranged along a second direction, the first connecting parts are connected with the first sub-electrodes, and the second connecting parts are connected with the first sub-electrodes. Each first connecting part is connected with two adjacent first sub-electrodes, so that the plurality of first sub-electrodes are continuously conducted along the second direction; the second electrode and the first electrode are arranged in an insulated mode, the first electrode comprises a plurality of second sub-electrodes, the second sub-electrodes extend in the first direction, each second sub-electrode is arranged between every two adjacent first sub-electrodes, and each second sub-electrode is continuously conducted in the first direction. According to the touch unit, the electrode impedance can be reduced, the signal ratio can be increased, each touch unit can form a plurality of capacitive nodes, touch signals are enhanced, and the touch performance of a touch screen is improved.

The utility model discloses a kind of transverse three-cavity suction muffler, belong to refrigerator compressor technical field, including first shell and second shell, first shell connects first, second baffle, and the closed structure is spaced into first, second, third chamber along horizontal direction arrangement;Third chamber is between first chamber and second chamber;First shell is equipped with first, second, third flow guide pipe, first flow guide pipe is communicated with air inlet and first chamber, second flow guide pipe is communicated with first chamber and second chamber, and third flow guide pipe is communicated with second chamber and third chamber;Second chamber is connected with arc flow guide plate, and arc flow guide plate is towards second flow guide pipe and third flow guide pipe;Fourth flow guide pipe is equipped in third chamber and tightly first baffle, fourth flow guide pipe is communicated with third chamber and discharge port, and third flow guide pipe end top surface extension line is flush with fourth flow guide pipe bottom end. Solve the angle formed between different flow guide pipes in prior art, there is the problem of large local pressure loss.

The low-noise cooking utensil comprises a pot body, a pot cover and a first heat dissipation assembly installed on the pot cover, the pot cover comprises a surface cover and an inner cover, and the surface cover and the inner cover are matched to define a cooling cavity communicated with the outside. The first heat dissipation assembly comprises a first sealing ring, a mounting cavity and a first fan assembly arranged in the mounting cavity, a first ventilation hole is formed in the bottom wall of the mounting cavity, and air blown out of the first fan assembly flows to the cooling cavity through the first ventilation hole and then is discharged to the outside; a damping gap is formed between the first fan assembly and the side wall of the mounting cavity, and the first sealing ring is arranged between the first fan assembly and the bottom wall of the mounting cavity so as to prevent cold air at the air outlet end of the first fan assembly from flowing to the damping gap. According to the cooking utensil, noise can be effectively reduced, and the air cooling effect can be improved.

The utility model discloses a breathing machine safety valve which comprises a communicating pipe body, a pressure relief mechanism communicated with the communicating pipe body and an emergency air suction mechanism communicated with the communicating pipe body and used for providing an autonomous breathing channel for a patient when a breathing machine breaks down. An air inlet, an air outlet and an emergency air suction inlet are formed in the communicating pipe body, and the emergency air suction mechanism is arranged on the emergency air suction inlet in the communicating pipe body in a communicating mode. The breathing machine is simple in structure, easy and convenient to install, low in manufacturing cost and high in practicability, closing or opening of the opening of the air leakage pipe is achieved in an air control mode, the maximum pressure in the main air channel can be accurately and sensitively controlled, the emergency air suction mechanism can provide an autonomous breathing channel for a patient when the breathing machine breaks down, and the breathing machine is safe and reliable. And the safety and the reliability of the device can be effectively improved.

The invention discloses an energy storage type heat pump structure which comprises a compressor. A condenser; an evaporator; the pipeline assembly comprises a first pipeline, a second pipeline, a third pipeline, a heat exchange pipe, a first valve body and a second valve body, one end of the first pipeline communicates with an outlet of the compressor, the other end of the first pipeline communicates with a first branch pipe and a second branch pipe, the first branch pipe communicates with the first communicating opening, and the second branch pipe communicates with the second communicating opening; the second communication port is communicated with the inlet end of the heat exchange pipe through a second pipeline, and the second branch pipe is communicated with the inlet end of the heat exchange pipe; the outlet end of the heat exchange pipe communicates with the third communication opening through a third pipeline. The fourth communication opening is communicated with an inlet of the compressor; a first valve body is arranged on the first branch pipe; a second valve body is arranged on the second branch pipe; and the energy storage water tank exchanges heat with the heat exchange pipe. Defrosting operation is carried out through waste heat stored in the energy storage water tank, and the defrosting action can be carried out without absorbing indoor waste heat.

A die head melt flow guiding device of a hollow plastic container blowing forming machine comprises a flow dividing plate melt outflow adjusting control mechanism and a melt flow dividing mechanism, and the melt flow dividing mechanism comprises a melt flow dividing device fixing plate, a melt flow dividing device and a melt leading-in connector; the splitter plate melt outflow adjusting control mechanism is arranged on the lower portion of the side, back to the front melt splitter plate, of the rear melt splitter plate, and is characterized in that the structure of the rear melt splitter plate sub-runner is the same as that of the front melt splitter plate sub-runner, and the front melt splitter plate sub-runner comprises a first material receiving runner and a second material receiving runner; when the melt leading-in connector is fixed to one side of the melt front splitter plate, one end of the first material receiving runner and one end of the second material receiving runner are jointly communicated with the melt leading-in connector, and the other end of the first material receiving runner and the other end of the second material receiving runner incline downwards, form an inverted first Y-shaped runner and an inverted second Y-shaped runner and are communicated with the die head body. The melt flow path is shortened, the die head color changing time is shortened, friction between the melt and the runner wall is relieved, shearing heat is reduced, and it is guaranteed that the melt flows evenly and smoothly.

The application provides a driving device of a vehicle and a vehicle comprising the same, wherein the driving device of the vehicle comprises: a shell configured with a cavity; an inner sleeve configured as a cylindrical structure matched with the cavity and arranged in the cavity to place a stator and a rotor of a motor, an outer wall of the inner sleeve towards one side of the shell is provided with a plurality of circumferential ribs, and the plurality of circumferential ribs are arranged along the circumference of the inner sleeve; a cooling liquid channel is formed between each adjacent two circumferential ribs, and each of the plurality of cooling liquid channels has a water inlet end and a water outlet end. The application solves the problem of poor cooling efficiency of the motor controller and the motor of the vehicle, which causes excessive waste of stored electric energy and leads to the decrease of the vehicle's cruising range.

The utility model relates to the technical field of water distillers, and discloses an automatic water cut-off type water distiller, which comprises a distillation box, a liquid storage box and a condenser, a liquid level sensor is embedded at the lower end of the inner side wall of the distillation box, a fraction delivery pipe is connected between the top end of the distillation box and the condenser, a heat exchange piece is arranged outside the fraction delivery pipe, and the liquid level sensor is connected with the heat exchange piece. An air supply part is connected between the air outlet end of the heat exchange part and the bottom in the distillation box, and a plurality of air outlet nozzles are mounted on the upper end face of the part, located in the distillation box, of the air supply part in the length direction; through the arrangement of the heat exchange piece, normal-temperature inert gas flows around the fraction conveying pipe in the heat exchange sleeve and performs heat transfer with high-temperature fractions, so that the temperature of the fractions is reduced, the workload of a subsequent condenser is reduced, energy required by condensation is saved, and the temperature of the gas is increased. The spiral gas guide sheets prolong the gas flow path, increase the contact time of the gas and the outer wall of the fraction conveying pipe, and greatly improve the heat exchange efficiency in unit space.

The utility model relates to the technical field of connectors, and discloses a connector and electronic equipment. The connector comprises a plug assembly and a socket assembly, the plug assembly comprises a first shell and a first terminal arranged on the first shell, the first terminal comprises a first section, a second section and a third section which are sequentially connected in a bent mode, the first section and the third section are located on the two sides of the second section respectively, and the end, away from the second section, of the first section is a current input end; the socket assembly comprises a second shell and a second terminal arranged on the second shell, the second terminal is provided with a current output end, a first contact part close to the current output end and a second contact part far away from the current output end, the second section of the first terminal abuts against the first contact part, and the third section of the first terminal abuts against the second contact part. According to the connector, by changing the bending structure of the first terminal, the flowing path of a circuit can be reduced, so that the heating value of the first terminal and the second terminal is reduced, and the overall temperature of the connector can be further reduced.

This application discloses a tire mold, belonging to the field of tire mold technology. The tire mold includes: a base and a tread pattern shell. The base is provided with multiple positioning elements; the tread pattern shell is provided with a positioning groove, and the tread pattern shell is installed on the positioning elements. A flow guiding gap is formed between the tread pattern shell, the positioning elements, and the base. The flow guiding gap includes a first gap. The top surface of the positioning element abuts against the bottom wall of the positioning groove, and a first gap is formed between the tread pattern shell and the mounting surface. The base is provided with a first exhaust channel, and the positioning elements are provided with a second exhaust channel. The first exhaust channel and the second exhaust channel are connected, and the flow guiding gap is connected to the second exhaust channel. The tread pattern shell includes an arc-shaped transition section, which extends from the starting position to the side where the positioning groove is located. The tangent of the arc-shaped transition section at the starting position has an angle α with a preset direction, and the value range of α is: 0°≤α≤60°. This solves the technical problems of inconvenient tread pattern replacement and easy clogging of the exhaust structure in existing tire molds.

The present invention provides a cabinet system, the cabinet system includes a plurality of cabinets, each cabinet includes a cabinet body and electronic equipment, the electronic equipment has a relatively arranged windward surface and an air outlet surface; the inner cavity of the cabinet body has a cold air zone and a hot air zone, the electronic equipment is arranged between the cold air zone and the hot air zone, the cold air zone corresponds to the windward surface of the electronic equipment, and the hot air zone corresponds to the air outlet surface of the electronic equipment; and a heat exchange component is provided on the side wall of the cabinet body corresponding to the cold air zone, which is used to cool the gas in the machine room and introduce it into the cold air zone; the electronic equipment can guide the cooled gas from the windward surface to the air outlet surface; the side wall of the cabinet body corresponding to the hot air zone is provided with an exhaust hole, which is used to guide the gas after heat exchange with the electronic equipment into the machine room; wherein the cold air zones of two adjacent cabinets can be connected to each other. The cabinet system provided by the present invention has a better heat dissipation effect, and can avoid the problem of excessively high local temperature of the cabinet body, which leads to failure of the electronic equipment.

The utility model belongs to the technical field of solar water heaters, and particularly relates to a solar vacuum tube and a solar water heater. The solar vacuum tube comprises a vacuum tube body and a flow guide part, the flow guide part is arranged in the vacuum tube body, and a flowing channel is formed between the flow guide part and the inner wall of the vacuum tube body and used for fluid flowing. According to the solar vacuum tube provided by the invention, the flowing space of the fluid in the vacuum tube body is optimized, the circulating speed of the fluid in the vacuum tube body is increased, heat loss is reduced, and the heat gain of the solar vacuum tube is higher.

The present invention provides a smoke hood and a range hood, and relates to the technical field of kitchen appliances. A guide block is arranged on the top wall of the smoke hood, and the guide block is arranged on the inner side of the top wall. The distance between the side surface of the guide block away from the top wall and the inner wall of the top wall is not less than the distance that the reinforcement part protrudes relative to the inner wall of the top wall. The present invention improves the flow field of the airflow through the guide block arranged therein, shortens the flow path of the airflow, and reduces the possibility of the airflow generating vortex at the reinforcement part position, thereby reducing the aerodynamic noise and improving the noise environment of the range hood when absorbing and exhausting oil smoke.

The invention provides a gas detection device, comprising: a housing having an accommodating cavity and an opening; the detection assembly comprises a detection shell and a plurality of detection elements, the detection shell is provided with a detection cavity, a gas inlet and a gas outlet, the gas inlet and the gas outlet are both communicated with the detection cavity, the gas inlet is arranged in the opening in a penetrating mode, and the multiple detection elements are annularly distributed at intervals along the axis of the detection shell and used for detecting different components in gas; the sampling assembly is provided with a sampling cavity, one end of the sampling cavity is provided with an air blowing port, and the other end of the sampling cavity is detachably connected with the air inlet; the control assembly is arranged between the detection cavity and the sampling cavity, the control assembly has a blocking state and an avoiding state which are oppositely arranged, when the control assembly is in the blocking state, the control assembly can block the air inlet, and when the control assembly is in the avoiding state, the sampling cavity can communicate with the detection cavity through the air inlet. Through the technical scheme provided by the invention, the problem of relatively low detection speed in the prior art can be solved.

The utility model discloses integrated air conditioner, include: bottom disc part, be located in the indoor module and outdoor module of bottom disc part, electric control box and heat dissipation air duct, the first accommodating cavity is defined between the first casing of indoor module and bottom disc part, and indoor fan is located in the first accommodating cavity, and electric control box is installed in the outside of indoor module and is including box body and the circuit board of being located in the box body, and heat dissipation air duct is located in the side of circuit board close to the first accommodating cavity, and heat dissipation air duct is communicated the outside space of integrated air conditioner and the first accommodating cavity, and heat dissipation air duct is located in the upstream side of indoor fan, and the air current of outside space of integrated air conditioner is suitable in the drive of indoor fan and flows through heat dissipation air duct to carry out the heat dissipation of electric control box to the utility model discloses integrated air conditioner, can utilize the air current of outside space to the heat dissipation of electric control box, also be favorable to shorten the overall flow path of the flow of air current in heat dissipation air duct towards the first accommodating cavity, thereby be favorable to the heat dissipation effect of electric control box.

The skin treatment device comprises a shell, a lamp tube, a lampshade, a heat dissipation piece and a heat dissipation fan, the lamp tube and the lampshade are both arranged in the shell, the lampshade covers the lamp tube, and the lamp tube is used for emitting nursing light so that the light can be emitted from an opening of the lampshade and can be emitted to the skin to be treated through a light outlet of the shell; the heat dissipation piece is arranged in the shell, a heat dissipation cover of the heat dissipation piece covers the lampshade and avoids an opening of the lampshade, the multiple heat dissipation pieces are connected to the side, away from the lampshade, of the heat dissipation cover and are distributed at intervals in the circumferential direction of the heat dissipation cover, each heat dissipation piece extends in the length direction of the lamp tube, and a heat dissipation interval is formed between every two adjacent heat dissipation pieces. Heat dissipation openings are formed in the two ends of the heat dissipation interval; the cooling fan is arranged in the shell, and the two ends of the cooling fins are opposite to the air outlet of the cooling fan, so that air sent out by the air outlet of the cooling fan enters the cooling interval and then flows out of the cooling openings in the two ends of the cooling interval, and the cooling effect is improved.

The utility model discloses a spinning assembly for composite fibers of a special-shaped structure, and relates to the technical field of spinning equipment. An upper cover is fixedly mounted at the top of the outer shell through bolts; a control assembly is fixedly arranged on the top of the upper cover, a double-flow-channel structure of the outer shell and the inner shell is arranged, pressure boosting is more stable through the extrusion piece assembly, and therefore inner leakage of an extrusion piece is reduced, meanwhile, the problem that the flow speed of melt is low under the common pressure is solved, melt flowing paths are reduced, the melt flowing smoothness is improved, and the product quality is improved. Therefore, broken ends are reduced, and the service life of the assembly is prolonged. The newly designed spinneret plate is simple in structure and convenient to install, the flow resistance of melt in the spinneret plate is small, and the sealing contact surface is reduced.

The utility model relates to air conditioning technical field especially relates to a heat exchanger, include: first collecting flow pipe, include: a plurality of first branch line, second collecting flow pipe, include: a plurality of second branch line, heat exchange pipeline, heat exchange pipeline is suitable for switching between evaporative mode and condensing mode, in evaporative mode, the coolant flows out heat exchange pipeline through the first number of first branch line, the coolant flows into heat exchange pipeline through the second number of second branch line, in condensing mode, the coolant flows out heat exchange pipeline through the third number of first branch line, the coolant flows into heat exchange pipeline through the fourth number of second branch line, the first number is greater than the third number, and the second number is greater than the fourth number. The utility model discloses heat exchanger shunt adopts the shunt mode of variable, and the flow path of coolant in heat exchanger is redistributed when refrigeration and heating, and the flow path of coolant is less when refrigeration mode, and the flow path of coolant is more when heating mode, and the heating efficiency of air conditioner is improved significantly.

The utility model relates to a kind of PP three-layer co-extrusion foamed sheet surface skin feeling modification devices, and three extruders, screen changer, metering pump, distributor, die, calendar roll group, multiple guide temperature control roller, cooling setting roller group, traction roller group and cutting mechanism are sequentially provided along assembly line direction.The roller barrel of each temperature control structure involved in the utility model is all adopted double-runner spiral structure, and heat exchange medium flows from the middle to both ends of runner or middle two ends to middle, shortens the flow path of heat exchange medium, improves temperature difference, so as to ensure that the temperature of roller barrel can be stably controlled in predetermined range, so as to improve the quality of skin feeling texture modification on three-layer pp foamed sheet upper layer, so that skin feeling texture is more delicate.

The utility model relates to an energy storage cabinet. Comprising a cabinet body provided with a containing cavity and an air outlet, the containing cavity is used for containing a battery module, and the air outlet is communicated with the outside and the containing cavity; the flow guide mechanism is fixedly arranged in the containing cavity, a linear flow guide channel is formed in the flow guide mechanism, and the flow guide channel communicates with the containing cavity and the air outlet; and the air exhaust mechanism is arranged on the cabinet body, and the air exhaust mechanism is used for exhausting the air flow in the accommodating cavity from the air outlet. As the flow guide channel is linear, the flow resistance of the hot air flow in the flow guide channel can be reduced, and the flow path of the hot air flow is shortened. Therefore, on one hand, heat generated by the battery module can be discharged out of the cabinet body through the flow guide channel in a short time, and the flow guide mechanism provided with the linear flow guide channel is relatively simple in structure, so that the manufacturing cost and the assembly cost of the flow guide mechanism are reduced, and finally the manufacturing cost of the whole energy storage cabinet is reduced.