7775results about "Evaporators/condensers" patented technology

An intelligent real-time adaptive control air-blowing-type condenser and a usage method therefor, belonging to the technical field of condensers. The intelligent real-time adaptive control air-blowing-type condenser comprises: a condenser body (1) arranged on a mounting frame (101), an axial flow fan (2) being arranged on the top of the condenser body (1); a filter screen (3), which is mounted on the side wall of the condenser body (1) by means of bolts; a cleaning mechanism (4), which is arranged on the outer side of the filter screen (3) and is configured to remove impurities from the filter screen (3); and a moving mechanism (5), which is arranged on the mounting frame (101) and is configured to drive the cleaning mechanism (4) to move, wherein the cleaning mechanism (4) comprises a dust collection shell (401), a cleaning assembly arranged in the dust collection shell (401) and configured to sweep the impurities away from the outer side of the filter screen (3), and a dust settling assembly arranged in the dust collection shell (401) and configured for dust settling. The filter screen (3) on the outer side of the condenser can be cleaned without shutdown of the condenser.

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

Vehicle heat pump system comprising a compressor for discharging a refrigerant; an indoor heat exchanger in an air-conditioning case, allowing heat exchange between air and the refrigerant; a water-cooled condenser downstream of the indoor heat exchanger in the flow direction of the refrigerant, exchanging heat with first cooling water; an outdoor heat exchanger downstream of the water-cooled condenser, allowing heat exchange between the refrigerant and outdoor air; an evaporator in the air-conditioning case, allowing heat exchange between the refrigerant and the air to cool the indoor space, and a chiller downstream of the outdoor heat exchanger exchanging heat with second cooling water. An outdoor unit bypass line allowing refrigerant to pass through the water-cooled condenser and bypass the outdoor heat exchanger, which branches off between the water-cooled condenser and the outdoor heat exchanger and is connected to the upstream side of the chiller in the flow direction of the refrigerant.

A three-way heat exchanger includes an airflow inlet, an airflow outlet, a heat transfer fluid inlet manifold extending proximate the airflow outlet, and a heat transfer fluid outlet manifold extending proximate the airflow outlet. The heat exchanger also includes panel assemblies each including a frame defining a heat transfer fluid channel and a membrane positioned on the frame and defining a desiccant channel. The heat transfer fluid channel is connected to the heat transfer fluid inlet and outlet manifolds for channeling a flow of the heat transfer fluid therebetween counter to the airflow direction. Each panel assembly also includes a heat transfer fluid flow guide positioned in the heat transfer fluid channel to control the flow of the heat transfer fluid counter to the airflow direction.

A thermal management arrangement for vehicles includes a refrigerant circuit having a chiller function and / or heat pump function and a heat carrier network for cooling and / or heating components of the vehicle. The heat carrier network has a heat carrier reservoir and a plurality of heat carrier supply segments fed from the heat carrier reservoir. A separately controlled and regulated ambient heat exchanger supply segment implements a circuit having a central low-temperature ambient heat exchanger and least one heat carrier reservoir.

A dishwasher (1) with at least one heat pump (14) comprising at least one compressor (16), one condenser (18), one expansion element (19) and one evaporator (20), which are interconnected via conduit sections for conveying a working medium (17) which changes state of matter during operation, is designed such that the heat pump (14) is mounted, filled with working medium (17) and can be tested for function or has been tested before installation in the dishwasher (1).

A manifold fluid module according to the present invention includes a manifold plate having a fluid flow path formed therein, a compressor coupled to the manifold plate, and a first heat exchanger which is coupled to the manifold plate and connected such that a first fluid flowing out from the compressor is directly introduced thereinto, and heat-exchanges the first fluid and a second fluid, wherein the compressor is coupled to one surface of the manifold plate, and the first heat exchanger is coupled to the other surface of the manifold plate, and the compressor has a first fluid inlet port and a first fluid outlet port, and one of the first fluid inlet port or the first fluid outlet port of the compressor may be directly connected to and communicate with any one of the first inlet port or the first fluid outlet port of the first heat exchanger.

The invention relates to a heat-pump arrangement (14) for a dishwasher (1), to which heat-pump arrangement a heat-transfer device (WT) is assigned in which rinsing fluid (24) to be heated flows through at least one pipe portion (28) and is guided outwards to the inner wall (28a) of the pipe portion (28) by a guide means (29). The pipe portion is in heat-exchanging contact with the condenser (18) of the heat-pump arrangement. The working medium (17) of the heat-pump arrangement flows helically around the outside of the pipe portion (28) as an external medium.

The present invention belongs to the technical field of evaporative condensers, and is particularly an evaporative condenser with multi-stage heat exchange, comprising a shell, an air intake grille is provided on the inner walls of the shell, an evaporative heat exchange coil, a spray component and a precooling heat exchange coil are provided inside the shell, the spray component is located above the evaporative heat exchange coil, the precooling heat exchange coil is located above the spray component, and the precooling heat exchange coil is connected to the evaporative heat exchange coil, and an induced draft fan is provided on the top of the shell. The present invention can scrape and collect impurities attached to the inner wall of the filter cartridge through a scraping and collecting mechanism that moves up and down and rotates, and can make cooling water into a vortex from outside to inside through a recoil mechanism that moves up and down and rotates, and the filter cartridge is recoiled by the vortex, and the impurities flushed down can be collected by the scraping and collecting mechanism, so as to ensure the cleanliness of the circulating water sprayed by the spray component, so that it will not cause clogging of the spray component and will not cause damage to the evaporative heat exchange coil.

The invention relates to an adjustable multi-stage heat exchange injection type mixed working medium high-temperature heat pump system, and belongs to the technical field of high-temperature heat pump systems. The mixed working medium high-temperature heat pump system comprises a mixed working medium heat pump circulation loop and a gas-liquid jet type water supply loop. The mixed working medium heat pump circulation loop comprises a low-pressure compressor, a high-pressure compressor, working medium sides of four condensers, working medium sides of three evaporators and two two-phase ejectors, the working medium sides of the four condensers, the working medium sides of the three evaporators and the two two-phase ejectors are connected in series through two gas-liquid separators, and a working medium is a mixed working medium composed of cis-1, 3, 3, 3-tetrafluoropropene and isopentane. And the gas-liquid injection type water supply loop comprises a gas-liquid injector, a water pump and water sides of the three condensers. And the mixed working medium heat pump circulation loop and the gas-liquid jet type water supply loop are mutually coupled. The two gas-liquid separators are adopted to form four-stage condensation heat exchange, so that the energy utilization efficiency can be effectively improved, and the irreversible loss in the condensation process is reduced by at least 5%; evaporator evaporation of three different pressure levels is formed through boosting of the two two-phase ejectors, and irreversible loss in the evaporation process is reduced by at least 55%.

The invention relates to the technical field of refrigerating systems, in particular to a micro-channel air conditioner phase change heat transfer evaporation heat exchanger. Comprising a flowing pipeline, the flowing pipeline is composed of a plurality of vertical pipelines and a plurality of bent pipelines connected with the vertical pipelines, and a continuous flowing path of a condensing agent is formed. And a mixing assembly specially used for stirring the condensing agent is arranged in the vertical pipeline. Fin assemblies are installed on the outer sides of the vertical pipelines, and the outer sides of the fin assemblies are wrapped by a complete shell. When the condensing agent flows in the flowing pipeline, the condensing agent can pass through the mixing assembly in each vertical pipeline to be fully mixed and uniformly distributed. The design ensures that the condensing agent in each vertical pipeline can reach an ideal uniform state. And then, the condensing agent flows through the fin assembly, and heat exchange is effectively carried out by utilizing the heat exchange area increased by the fins. By means of the layout, flowing of the condensing agent is optimized, and the heat exchange efficiency is remarkably improved.

A liquid cooled heat exchanger includes first and second heat exchange chambers that are in thermal communication. The first heat exchange chamber is downstream of the second heat exchanges chamber and receives heat from a heat generating device, such as an electronic circuit. Heat in the first heat exchange chamber can be transferred to the second heat exchange chamber to increase the temperature of a subcooled liquid working fluid in the second heat exchange chamber. This can render a pressure drop across the heat exchanger that is relatively insensitive to a fraction of liquid that is vaporized in the first heat exchange chamber.

The present invention provides a wind-driven direct-driven refrigeration device and a design method for protecting permafrost, which belongs to the field of permafrost engineering technology. The refrigeration device includes a cabinet and a wind turbine unit installed inside the cabinet, a transmission speed-changing mechanism unit and a refrigeration unit. The wind turbine unit is used to convert wind energy into mechanical energy, the transmission speed-changing mechanism unit is used to increase the speed of the wind turbine unit output and the output speed can be adjusted autonomously, the output speed of the transmission speed-changing mechanism unit is limited within a reasonable range, and the refrigeration unit is used to transport cold to the inside of the permafrost foundation to refrigerate the permafrost and protect the permafrost. The wind-driven direct-driven refrigeration device and a design method for protecting permafrost provided by the present invention solve the technical problem of low energy utilization rate of the equipment and methods used for protecting permafrost in the prior art, and have the technical effects of reducing energy loss, high energy utilization rate, high efficiency of the refrigeration system, and good practicality.

Examples of the present disclosure relate to systems and methods for providing hot water for a hot water heater and heating capacity for a climate control system by utilizing a Stirling heat pump system. The Stirling heat pump may be partially integrated into an indoor unit of the climate control system and a hot water heater. An additional indoor heat exchanger may receive heating fluid from the Stirling heat pump system to provide heating capacity in addition to another indoor heat exchanger of the climate control system. Further, the heating fluid circuit of the Stirling heat pump system may be partially integrated into a hot water tank for heating water. A controller may direct the flow of heating fluid from the Stirling heat pump to the hot water tank and / or the climate control system based on a request for heating.

The invention discloses a cryogenic step-by-step preparation unit and process based on injection condensation and enhanced heat absorption in the technical field of absorption refrigeration. The cryogenic step-by-step preparation unit comprises a generation assembly, an evaporation absorption assembly, an injection assembly and a condenser. The evaporation and absorption assembly comprises a medium-pressure evaporator, a low-pressure evaporator, a medium-pressure absorber and a low-pressure absorber; the generating assembly utilizes a heat source to produce a cold source, the medium-pressure evaporator utilizes part of the cold source produced by the generating assembly to primarily cool a secondary refrigerant, and the low-pressure evaporator utilizes the remaining cold source discharged by the medium-pressure evaporator to cool the secondary refrigerant again. The condenser produces cold energy which is used as cold sources of the medium-pressure absorber and the low-pressure absorber respectively; the absorption type refrigerating unit is optimally designed, single-stage refrigeration is replaced by stage-by-stage refrigeration, the problem that the cost of single-stage refrigeration is too high due to the fact that equipment is too large is solved, and then application of the unit in the deep cooling scene is expanded.

An evaporator can include a pressure vessel and an evaporation device. The evaporation device can be at least partially enclosed within the pressure vessel and configured to direct a refrigerant through the pressure vessel. The evaporator can include at least one fluid direction device at least partially enclosed within the pressure vessel. The at least one fluid direction device is configured to direct a drinking fluid around the evaporation device to facilitate heat exchange. The evaporation device can include an evaporation coil with a first portion, a second portion, and a third portion. The second portion can be located exterior to the first portion and the third portion can be located radially exterior to the second portion. The pressure vessel can include an inlet and outlet in fluid connection with the evaporation coil.

The invention provides a wind power direct drive type refrigeration device for protecting permafrost and a design method, and belongs to the technical field of permafrost engineering, the refrigeration device comprises a cabinet, a wind turbine unit, a transmission speed change mechanism unit and a refrigeration unit, and the wind turbine unit, the transmission speed change mechanism unit and the refrigeration unit are installed in the cabinet; the transmission speed change mechanism unit is used for increasing the rotating speed output by the wind turbine unit, the output rotating speed can be automatically adjusted, the rotating speed output by the transmission speed change mechanism unit is limited within a reasonable range, and the refrigeration unit is used for conveying cold energy into the permafrost foundation so as to refrigerate permafrost and protect the permafrost. According to the wind power direct drive type refrigerating device for protecting the permafrost and the design method, the technical problem that in the prior art, equipment and methods used for protecting the permafrost are low in energy utilization rate is solved, and the technical effects that energy loss is reduced, the energy utilization rate is high, the refrigerating system efficiency is high, and practicability is good are achieved.

The evaporation assembly comprises an evaporator and a pipe assembly, the evaporator comprises a main body part, the main body part is provided with an open end, a closed end and a containing cavity, the direction from the closed end to the open end serves as the first direction, and the main body part is provided with a protrusion formed by protruding from the cavity bottom of the containing cavity by a preset length in the first direction; the protrusion is provided with a groove, and the containing cavity is used for containing a to-be-cooled part. The pipe assembly comprises a spiral pipe and an extension pipe, the spiral pipe is communicated with the extension pipe, the spiral pipe surrounds the main body part, the extension pipe is arranged in the groove, and the pipe assembly is used for conveying a cooling medium. By means of the structure, when a cooling medium is introduced into the pipe assembly, due to the fact that the extension pipe is arranged in the groove, the cooling medium can penetrate through the extension pipe to absorb heat of the to-be-cooled part on the periphery of the protrusion, heat exchange in the to-be-cooled part is accelerated, refrigeration efficiency can be improved, and use is convenient.

The invention discloses an energy-saving type magnetic suspension centrifugal water chilling unit, and relates to the technical field of refrigeration, the energy-saving type magnetic suspension centrifugal water chilling unit comprises a magnetic suspension compressor, a variable-diameter throttling mechanism and a heat exchange system, the heat exchange system is fixedly installed on the side face of the outer wall of the magnetic suspension compressor, and the variable-diameter throttling mechanism is fixedly installed on the side face of the outer wall of the heat exchange system; an outlet of the magnetic suspension compressor is directly connected with the heat exchange system through a pipeline, and the reducing throttling mechanism is connected with the heat exchange system through a pipeline. The front-stage closed impeller and the rear-stage semi-open impeller are coaxially connected in series, efficient compression without mechanical contact and oil lubrication is achieved, the problems that a centrifugal compressor is high in energy consumption and large in vibration due to mechanical friction are solved, and the energy efficiency ratio of a unit is effectively increased.

The invention provides an air conditioner energy-saving waste heat recycling device which comprises an outer box body, a cold water tank, a heat preservation box, a waste heat heating assembly, a waste heat heat preservation assembly, a refrigerant main pipeline and a refrigerant auxiliary pipeline, the refrigerator main pipeline is arranged on the side face of the outer box body, and the cold water tank is arranged at the top in the outer box body; a cold water inlet is formed in the top of the outer box body, the cold water inlet is connected with the cold water tank, the waste heat heating assembly is arranged at the bottom of the cold water tank, the heat preservation box is arranged at the bottom of the waste heat heating assembly, and the waste heat heat preservation assembly is arranged in the heat preservation box. The waste heat temperature rising assembly and the waste heat heat preservation assembly are connected with the refrigerant main pipeline through refrigerant auxiliary pipelines. According to the waste heat heating assembly, the utilization efficiency of air conditioner waste heat is improved by slowing down the water flow speed, and waste heat loss is avoided.

Module (M) for a stationary heat pump system comprising: at least one heat exchanger (W1, W2, W3). The at least one heat exchanger (W1, W2, W3) consists of interconnected plates arranged one above the other or side by side. A characteristic feature of the invention is that the module (M) has at least one connector (VWQ, VWV) for establishing a fluid-tight connection between the at least one heat exchanger (W1, W2, W3) and at least one heat source and / or at least one heat consumer. The module (M) also includes a compressor (KP) and an expansion valve (EV). A component (B) for a stationary heat pump system comprising at least one fourth heat exchanger (W4) and at least one module (M) according to the invention. The at least one fourth heat exchanger (W4) is a direct evaporator.

The present invention relates to an integrated connector and a heat exchanger including the same, in which a connector main body is formed by pressing one pipe, a cap is press-fitted into the connector main body, such that the integrated connector is formed so that an interior of the connector main body is blocked by the cap. Therefore, the number of components used to manufacture a connector, which connects and securely couples a header tank and a gas-liquid separator, may be reduced, the integrated connector may be easily manufactured, and a brazing defect may be reduced at portions where the integrated connector is joined to the header tank and the gas-liquid separator of the heat exchanger.

The present invention discloses an evaporator for an automobile air-conditioner, which relates to the technical field of automobile air-conditioning, and comprises a supporting outer frame and an evaporator body, wherein the evaporator body is fixedly connected to the interior of the supporting outer frame, and the internal top wall of the supporting outer frame is fixedly connected to two diversion boxes, and the outside of the diversion box is fixedly connected to a plurality of blocking and shrinking airbags, and the supporting outer frame is fixedly connected to the micro air pump, and the air outlet of the micro air pump is connected to an air supply hose. When the plurality of blocking and shrinking airbags continue to expand laterally, the evaporator body can be sealed in a separate space in cooperation with the supporting outer frame, so that the evaporator body is no longer in contact with the outside air when not in use, thereby reducing the phenomenon that dust in the outside air adheres to the louver fins of the evaporator body, and the plurality of blocking and shrinking airbags filled with gas are lighter in overall weight, thereby reducing the burden on vehicle operation.

The invention discloses a condenser and evaporator fault detection method for multi-split air conditioning equipment, and relates to the technical field of air conditioner fault detection. The method comprises the following steps: dynamically predicting pressure parameters of a condenser based on a time sequence model; the temperature gradient parameter of the condenser is obtained based on monitoring of the inlet and outlet temperature difference of the condenser; periodic impact in the vibration signals is detected, and envelope analysis is conducted on vibration parameters of the condenser; the leakage risk of the condenser is calculated through a concentration sudden increase detection algorithm; acquiring operation data of the evaporator in real time; fault features of the condenser and the evaporator are extracted, and a machine learning algorithm is used for constructing a fault diagnosis model of the multi-split air conditioning equipment; carrying out coupling relation modeling on the multi-split air conditioning equipment; and accurately positioning a fault point. By performing coupling relation modeling on the multi-split air conditioning equipment, the faults of the condenser and the evaporator are efficiently and accurately monitored and diagnosed in real time.

The utility model discloses a household snow melting machine which comprises a stirring assembly and a refrigerating assembly, the stirring assembly comprises a protective cover, a driving motor and a scraper, the refrigerating assembly comprises an evaporator, the evaporator is arranged on the side portion of the driving motor and connected with the protective cover, the stirring assembly further comprises a sealing ring, and the sealing ring is arranged on the side portion of the driving motor and connected with the scraper. The sealing ring comprises an inner sealing ring, a sealing outer ring and a sealing inner ring, the sealing outer ring and the sealing inner ring are arranged on the front side and the rear side of the inner sealing ring respectively, an inner ring plate is arranged at the end of the protection cover, the evaporator penetrates through the inner ring plate, the sealing outer ring abuts against the surface of the side, close to the evaporator, of the inner ring plate, and the sealing outer ring abuts against the surface of the side, close to the evaporator, of the inner ring plate. The sealing inner ring abuts against the surface of the side, close to the driving piece, of the inner ring plate, and the inner sealing ring is arranged at the joint of the inner ring plate and the outer wall of the evaporator. According to the utility model, the sealing performance and the waterproofness can be improved, water seepage and oil seepage are prevented, potential safety hazards are avoided, and the service life is prolonged.

The air conditioner comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, a throttling assembly and a refrigerant circulation loop, and the refrigerant circulation loop is connected to the compressor, the indoor heat exchanger, the throttling assembly and the outdoor heat exchanger; the refrigerant circulation loop is connected to the compressor, the indoor heat exchanger, the throttling assembly and the outdoor heat exchanger; a main channel is arranged at one end of the distributor, a plurality of branch channels communicated with the main channel are arranged at the other end of the distributor, the main pipeline is connected to the main channel, and the flow dividing pipelines are connected to the branch channels; the distributor comprises an inner-layer pipe and an outer-layer pipe, the outer-layer pipe is provided with a plurality of outer flow guide holes distributed at intervals in the circumferential direction, and the inner-layer pipe and the outer-layer pipe can rotate between a first relative position and a second relative position. The air conditioner has the advantages of being even in refrigerant distribution, compact in structure, capable of improving heat exchange performance and the like.

The utility model belongs to the technical field of condensers, and particularly relates to a split type condenser which comprises a condenser shell, a screen plate is arranged on the front face of the condenser shell, a filter screen is arranged on the side face of the condenser shell, an upper main pipe is arranged at the upper end of the filter screen, and a lower main pipe is arranged at the lower end of the filter screen. A condensation pipe connected with the upper main pipe is arranged in the condenser shell. Through the arrangement of the servo motor, the lead screw, the supporting piece, the sleeve piece, the cleaning cotton and the protrusions, condensed water drops on the surface of an internal condensation pipe can be cleaned in the gas condensation operation process of the condenser, the water drops are prevented from influencing the gas condensation effect of the condensation pipe, the surface of the condensation pipe is automatically cleaned, and the working efficiency is improved. And meanwhile, uniform air blowing to the interior can be achieved, the uniformity of refrigeration air outlet is improved, air can be filtered, dust is prevented from entering the interior of the condenser, and the using effect of the condenser is improved.

The invention discloses a solar energy-phase change heat storage collaborative parallel evaporator segmented defrosting system and method, and belongs to the technical field of air source heat pump defrosting and new energy utilization. Comprising evaporator sets (A / B) arranged in parallel, a compressor, a condenser, a four-way reversing valve, a solar heat collecting plate, an electromagnetic valve, a temperature sensor and a connecting pipeline. A phase change material interlayer is embedded in a finned tube of the evaporator set, the phase change material is connected with the solar heat collection plate through a circulation pipeline, the phase change material absorbs or releases a large amount of latent heat in the solid-liquid phase change process, and heat collected by the solar heat collection plate is stored in a high-density mode. When the evaporator is frosted, heat stored by the phase change material can be released directionally, and melting of a frost layer is accelerated. Through the synergistic effect of solar energy and phase change heat storage, the defrosting time is remarkably shortened, indoor temperature fluctuation caused by reverse circulation is reduced, meanwhile, the energy utilization rate is increased, the structure is simple, the cost is controllable, and the efficient defrosting requirement of the air source heat pump in the cold region is met.

The invention provides an anti-blocking industrial heat pump, and aims to solve the problems that when an existing water source heat pump works, an external water source generates scale in a plurality of condensation pipes in a condenser, the heat exchange efficiency is reduced, and the pumping energy consumption is increased, the anti-blocking industrial heat pump comprises the condenser, a water inlet pipe and a water outlet pipe are arranged at the two ends of the condenser respectively, a left side plate and a right side plate are fixedly installed at the two ends in the condenser respectively, a plurality of storage barrels are fixedly installed on the left side plate, and a plurality of condensation pipes are fixedly installed on the right side plate. The two servo motors switch the steering direction at intervals, so that the traction rope is driven to reciprocate left and right in the condensation pipe, the multiple scrapers and the spiral bristles are driven to reciprocate left and right in the condensation pipe, and the scrapers have the scraping effect on the inner wall of the condensation pipe in the moving process; loose dirt is further cleaned through reciprocating motion of the spiral bristles, and the function of cleaning the inner wall of the condenser pipeline is achieved.

The present application provides a two-phase cold plate liquid cooling system and a control method. According to the present application, for parts which are cooled in series by the two-phase cold plate liquid cooling system, after a first evaporator cools a previous part, on the basis of the heat transfer requirements of a part cooled by a second evaporator, the quality of a refrigerant output from the first evaporator is adjusted to prevent the quality of the refrigerant from being too low or too high, and thus the refrigerant entering the second evaporator has proper quality, namely, the refrigerant entering the second evaporator has proper boiling point and heat exchange capacity, so that corresponding parts can be cooled to proper temperature, and large temperature difference between upstream and downstream parts is avoided. The solution solves the problem of the temperature of downstream parts in the series being lower than the temperature of upstream parts in the series, improves the temperature uniformity of multiple parts cooled in series, and then solves the problems of pressure oscillation, circulation stagnation and circulation reverse flow in the system, greatly improving the temperature uniformity of heat sources connected in series and the reliability of a series-parallel system.