CN115539339A - Air-cooled heat exchange assembly - Google Patents

Air-cooled heat exchange assembly Download PDF

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Publication number
CN115539339A
CN115539339A CN202211242788.8A CN202211242788A CN115539339A CN 115539339 A CN115539339 A CN 115539339A CN 202211242788 A CN202211242788 A CN 202211242788A CN 115539339 A CN115539339 A CN 115539339A
Authority
CN
China
Prior art keywords
oil
air
pipeline
heat exchange
cooled heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN202211242788.8A
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Chinese (zh)
Inventor
赵纪阳
霍明莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mintai Hydraulics Shanghai Co ltd
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Mintai Hydraulics Shanghai Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mintai Hydraulics Shanghai Co ltd filed Critical Mintai Hydraulics Shanghai Co ltd
Priority to CN202211242788.8A priority Critical patent/CN115539339A/en
Publication of CN115539339A publication Critical patent/CN115539339A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

The invention discloses an air-cooled heat exchange assembly which is used for supplying oil to a gear box lubricating system of a wind generating set in a low-temperature environment. The invention discloses an air-cooled heat exchange assembly which comprises a core body, a dust screen for filtering dust and impurities in air, a mounting plate for mounting and fixing with a wind generating set and the like; wherein, the core body further comprises an oil inlet pipeline, an oil outlet pipeline, a plurality of inner pipelines for communicating the oil inlet pipeline and the oil outlet pipeline, and a bypass pipeline; the oil inlet pipeline is provided with a heater, and the heater is inserted into the oil inlet pipeline to heat oil; the bypass pipeline sets up between advancing oil pipe and the oil outlet pipeline, and fluid in advancing oil pipe can also reach the oil-out of oil outlet pipeline through the bypass pipeline. The air-cooled heat exchange assembly provided by the invention can quickly start the wind generating set in a low-temperature environment, reduces the influence of low-temperature working conditions on the service life of the motor, and is not limited by a use place.

Description

Air-cooled heat exchange assembly
Technical Field
The invention belongs to the technical field of wind power generation, and particularly relates to an air-cooled heat exchange assembly for supplying oil to a gear box lubricating system of a wind generating set in a low-temperature environment.
Background
An air-cooled heat exchanger is a device for transferring partial heat of hot fluid (such as oil, water and the like) to air serving as a cooling medium, and is widely applied to industries such as engineering machinery, power, refrigeration, new energy and the like. A gear box lubricating system of a wind generating set generates a large amount of heat when an operating mechanism of the gear box lubricating system runs at a high speed, so that the whole gear box is overheated, and the safety and the reliability of the wind generating set are influenced. At present, before oil is supplied to a gear box lubricating system of a wind generating set, an air-cooled heat exchanger is generally used for cooling oil. Common air-cooled heat exchangers include a natural air-cooled heat exchanger and a forced air-cooled heat exchanger, the natural air-cooled heat exchanger directly adopts natural wind to perform heat exchange, and the forced air-cooled heat exchanger drives an axial fan through a motor to form forced wind to perform heat exchange.
The northeast, northwest and inner Mongolia of Chinese wind resources most abundant belong to alpine regions, the lowest temperature can reach-40 ℃, and the low temperature duration can reach 4-6 months. The international standard IEC61400-1 related to the design of wind turbines specifies: the normal environment temperature of the wind generating set is-10 ℃ to 40 ℃, and the extreme environment temperature is-20 ℃ to 50 ℃. According to the actual conditions and the prior art in China, the operating environment temperature (or the environment temperature required by normal work) of the low-temperature wind turbine generator set is-30 ℃ to 45 ℃, and the living environment temperature range (or the environment temperature required by normal storage) is-40 ℃ to 50 ℃.
A gearbox lubricating system of a wind generating set generally requires that the system can stably provide lubricating oil for the gearbox for a long time in an environment with large temperature difference. The wind turbine generator has a plurality of states such as operation, shutdown, power grid fault (without power supply) and the like; under the low-temperature working condition, when the wind turbine generator starts to operate or starts to operate after being shut down for a period of time, because the consistency of oil stored in the lubricating system is increased or solidified and frozen in the low-temperature environment, the viscosity of the oil is too high, the system resistance is increased, even an oil pipe is blocked, and the like, the wind turbine generator is difficult to start, high-temperature faults in winter are easy to occur, and the service life of a motor can be influenced by forced starting.
Disclosure of Invention
In order to solve the problems that a wind generating set is difficult to start and easy to break down in a low-temperature environment and the like, the invention provides an air-cooled heat exchange assembly which is used for supplying oil to a gear box lubricating system of the wind generating set in the low-temperature environment.
The invention provides an air-cooled heat exchange assembly, which comprises a core body;
the core body comprises an oil inlet pipeline, an oil outlet pipeline and a plurality of inner pipelines;
an oil inlet is formed in the oil inlet pipeline, and oil enters the oil inlet pipeline from the oil inlet; the oil inlet pipeline is also provided with a heater, the heater is inserted into the oil inlet pipeline to heat oil, and the heater is positioned below the oil inlet;
the oil inlet pipeline and the oil outlet pipeline are communicated through the plurality of inner pipelines, and oil in the oil inlet pipeline flows into the oil outlet pipeline through the plurality of inner pipelines; the inner pipelines exchange heat with air to cool oil liquid flowing through the inner pipelines;
the oil outlet pipeline is provided with an oil outlet, and oil is discharged from the oil outlet.
Optionally, the heater is provided with a temperature monitor and a temperature control switch, the temperature monitor is used for monitoring the oil temperature of the oil inlet pipeline and transmitting a generated oil temperature signal to the heater, and the heater controls the temperature control switch to be switched on and off according to the received temperature signal;
when the temperature of the oil in the oil inlet pipeline is lower than a preset lower temperature limit, the heater turns on the temperature control switch to heat the oil;
when the temperature of the oil in the oil inlet pipeline is higher than the preset upper temperature limit, the heater closes the temperature control switch to stop heating the oil;
the oil can freely flow in a temperature range formed by a preset lower temperature limit and a preset upper temperature limit.
Optionally, the core further comprises a bypass conduit; one end of the bypass pipeline is connected with the oil inlet pipeline, and the other end of the bypass pipeline is communicated with the oil outlet pipeline and is positioned above the oil outlet;
oil in the oil inlet pipeline can also reach the oil outlet of the oil outlet pipeline through the bypass pipeline.
Optionally, the core further comprises a bypass valve; the bypass valve is arranged at the joint of the oil inlet pipeline and the bypass pipeline and used for controlling the connection or disconnection of the oil inlet pipeline and the bypass pipeline.
Optionally, the bypass valve is a pressure sensitive valve;
when the oil pressure in the oil inlet pipeline reaches a set threshold value, the bypass valve is opened, and the oil inlet pipeline is communicated with the bypass pipeline;
and when the oil pressure in the oil inlet pipeline is lower than a set threshold value, the bypass valve is closed, and the oil inlet pipeline is disconnected with the bypass pipeline.
Optionally, the air-cooled heat exchange assembly further comprises a dust screen, wherein the dust screen is arranged on one side of the core body for air inlet and used for filtering dust and impurities in the air.
Optionally, the air-cooled heat exchange assembly further comprises an installation plate for installing and fixing the air-cooled heat exchange assembly on the wind generating set;
the mounting plates are distributed on two sides of the core body, and mounting holes are formed in the mounting plates.
Optionally, the core further comprises a connecting plate, and the core is connected and fixed with the mounting plate through the connecting plate;
the connecting plates are distributed on two sides of the core body and provided with mounting holes;
and the connecting plate and the corresponding mounting plate are fixedly connected through the mounting hole on any side of the core body.
Optionally, the core further comprises a hoisting plate, and the air-cooled heat exchange assembly can be hoisted for hoisting through the hoisting plate;
the hoisting plate is arranged on the oil inlet pipeline;
the core body also comprises a spare hole and a plug matched with the spare hole; the spare hole is positioned on the oil outlet pipeline and used for discharging the oil liquid of the core body; the plug is used for sealing the standby hole.
Optionally, the air-cooled heat exchange assembly can be arranged outdoors and exchanges heat with the core body through natural wind; alternatively, the first and second liquid crystal display panels may be,
the air-cooled heat exchange assembly also comprises a motor, an axial flow fan and an air guide cover, wherein the axial flow fan and the air guide cover are arranged on the air inlet surface of the core body, and forced air generated by the axial flow fan driven by the motor is transmitted to the core body through the air guide cover;
the air-cooled heat exchange assembly can be arranged indoors and exchanges heat with the core body through forced air.
Compared with the prior art, the air-cooled heat exchange assembly for supplying oil to the gear box lubricating system of the wind generating set in the low-temperature environment is internally provided with the heater in the oil inlet pipeline, and the heater is used for heating oil under the low-temperature working condition so that the oil can be quickly heated and the flow of the oil in the oil inlet pipeline, the inner pipeline and the oil outlet pipeline is promoted, so that the system resistance is reduced and the oil supply is realized; the invention is also provided with a bypass pipeline and a bypass valve, when the system resistance is overlarge, a certain heating time is needed for oil to flow in the inner pipeline and the oil outlet pipeline, in the process, the pressure in the oil inlet pipeline is increased so as to open the bypass valve, and the oil reaches the oil outlet of the oil outlet pipeline through the bypass pipeline, so that the system resistance is reduced, and the oil supply is realized. The air-cooled heat exchange assembly provided by the invention can quickly start the wind generating set in a low-temperature environment, and reduces the influence of low-temperature working conditions on the service life of the motor.
Drawings
FIG. 1 is a schematic view of an air-cooled heat exchange assembly according to a first embodiment of the present disclosure;
fig. 2 is a disassembled schematic view of the air-cooled heat exchange assembly in the first embodiment of the present invention;
FIG. 3 is a schematic view of the core according to the first embodiment of the present invention;
FIG. 4 is a schematic enlarged view of a portion of the core at the oil inlet according to the first embodiment of the present invention;
FIG. 5 is a schematic view of the air-cooled heat exchange assembly according to the second embodiment of the present invention;
fig. 6 is a sectional view of the air-cooled heat exchange assembly according to the second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, in this document, the terms "include", "have" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, a method, an article or a terminal device including a series of elements includes not only those elements but also other elements not specifically listed, or further includes elements inherent to such process, method, article or terminal device. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" or "comprising 8230; \8230;" does not exclude the presence of additional elements in a process, method, article, or terminal device that comprises the element.
It should be noted that the drawings are in a very simplified form and that non-precise ratios are used for convenience and clarity in order to facilitate the description of one embodiment of the invention.
Example one
The air-cooled heat exchange assembly provided by the invention is used for providing lubricating oil for a gear box lubricating system of a wind generating set in a low-temperature environment. FIG. 1 is a schematic view of an air-cooled heat exchange assembly according to a first embodiment of the present disclosure; fig. 2 is a disassembled schematic view of the air-cooled heat exchange assembly in the first embodiment of the present invention; FIG. 3 is a schematic view of the core in a first embodiment of the present invention; fig. 4 is a partially enlarged schematic view of the core body at the oil inlet according to the first embodiment of the present invention. As shown in fig. 1 to 4, the air-cooled heat exchange assembly structure provided for this embodiment includes a core 100, a dust screen 200, and a mounting plate 300.
In this embodiment, air passes through the core 100 and exchanges heat with the core 100, and takes away heat of the oil pipe, thereby reducing the temperature of the oil, and providing lubricating oil with lower temperature for a gearbox lubricating system of a wind turbine generator system. The dust screen 200 is arranged on the air inlet surface of the core 100 and used for preventing dust impurities in the air from polluting the core. The both sides of core 100 are provided with mounting panel 300 respectively, the mounting hole has been seted up on the mounting panel 300, through mounting panel 300 will wind generating set is installed to air-cooled heat exchange assemblies provides lubricating oil for gear box lubricating system.
The core body 100 further comprises an oil inlet pipe 110, an oil outlet pipe 120, a plurality of inner pipes 130, and the like. An oil inlet 111 is formed in the oil inlet pipeline 110, and oil enters the oil inlet pipeline 110 through the oil inlet 111; the plurality of inner pipelines 130 are arranged between the oil inlet pipeline 110 and the oil outlet pipeline 120, each inner pipeline 130 is communicated with the oil inlet pipeline 110 and the oil outlet pipeline 120, oil in the oil inlet pipeline 110 flows into the oil outlet pipeline 120 through the plurality of inner pipelines 130, and when the oil flows through the plurality of inner pipelines 130, each inner pipeline 130 exchanges heat with air, so that the oil in the oil is cooled; an oil outlet 121 is formed in the oil outlet pipeline 120, and oil flowing into the oil outlet pipeline 120 flows out through the oil outlet 121 and enters a gear box lubricating system.
The oil outlet pipeline 120 is further provided with a spare hole 122, and oil in the air-cooled heat exchange assembly can be discharged through the spare hole 122 in the overhauling process or other required processes of the air-cooled heat exchange assembly. And a plug 123 matched with the spare hole 122 is arranged at the spare hole 122 and used for closing the spare hole 122.
In this embodiment, the wick 100 further includes a heater 140; the heater 140 is disposed on the oil inlet pipe 110, and is used for heating oil in the oil inlet pipe, so as to prevent the oil in the oil inlet pipe from increasing in consistency, even solidifying and freezing in a low-temperature environment. The heating part of the heater 140 is inserted into the oil inlet pipe 110 and is located below the oil inlet 111, and the oil is heated at the oil inlet 111. The heater 140 has a temperature monitor and a temperature control switch (not shown); the temperature monitor is used for monitoring the temperature of oil in the oil inlet pipeline 110 and transmitting the generated oil temperature signal to the heater 140, and the heater 140 controls the on-off of the temperature control switch according to the received oil temperature signal. When the temperature of the oil in the oil inlet pipe is lower than a preset lower temperature limit (for example, 0 ℃), the heater 140 turns on the temperature control switch to heat the oil in the oil inlet pipe 110; when the temperature of the oil in the oil inlet pipe is higher than the preset upper temperature limit (for example, 20 ℃), the heater 140 will close the temperature control switch and stop heating the oil in the oil inlet pipe 110. In a temperature range formed by a preset lower temperature limit and a preset upper temperature limit, oil can flow freely; the lower temperature limit (or upper temperature limit) preset for lubricating oils of different viscosities and different ambient temperatures may be different.
In this embodiment, the core 100 further comprises a bypass conduit 150 and a bypass valve 160. The bypass pipe 150 is disposed between the oil inlet pipe 110 and the oil outlet pipe 120, and when the oil in the plurality of inner pipes 130 and/or the oil outlet pipe 120 is thickened or solidified and frozen in a low-temperature environment, which causes excessive viscosity of the oil, increased system resistance, or even an oil pipe is blocked, the oil in the oil inlet pipe 110 can reach the oil outlet 121 of the oil outlet pipe through the bypass pipe 150.
One end of the bypass pipeline 150 is connected with the oil inlet pipeline 110; the bypass valve 160 is disposed at a connection between the bypass pipe 150 and the oil inlet pipe 110, and is used to control connection or disconnection between the bypass pipe 150 and the oil inlet pipe 110. The bypass valve 160 is a pressure sensing valve, a threshold value of the bypass valve 160 is set, and when the oil paths of the plurality of inner pipelines 130 and/or the oil outlet pipeline 120 are blocked, the pressure in the oil inlet pipeline 110 is increased and reaches the set threshold value of the bypass valve 160, the bypass valve 160 is opened, so that the oil inlet pipeline 110 and the bypass pipeline 150 are communicated; when the plurality of inner pipes 130 and the oil outlet pipe 120 are in oil-line communication and the pressure in the oil inlet pipe 110 is reduced and is lower than the set threshold value of the bypass valve 160, the bypass valve 160 is closed, thereby disconnecting the oil inlet pipe 110 and the bypass pipe 150.
The other end of the bypass pipeline 150 is communicated with the oil outlet pipeline 120 and is located above the oil outlet 121. In an embodiment of the present invention, the bypass pipe 150 is disposed right above the oil outlet 121, so that even if the oil outlet pipe at the oil outlet 121 is blocked, the oil path can be opened in a shortest time by the action of the oil temperature, so that the oil in the bypass pipe 150 flows out through the oil outlet 121 and enters the gearbox lubrication system, thereby increasing the start-up rate of the wind turbine generator system.
In this embodiment, the core 100 further includes a connecting plate 170, and the core 100 is connected and fixed to the mounting plate 300 through the connecting plate 170. The connecting plates 170 are distributed on two sides of the core body, and each connecting plate 170 is provided with a mounting hole; on any side of the core body 100, the connecting plate and the corresponding mounting plate are fixedly connected through the mounting hole. It should be noted that the connecting plate 170 and the mounting plate 300 may be integrally formed or may be two separate components; the air-cooled heat exchange assembly of the present invention is installed on the wind turbine generator system through the connection plate 170 and the installation plate 300, or may be connected with the wind turbine generator system through other methods, which is not limited in the present invention.
In this embodiment, the core 100 may further include a hoisting plate 180, so that the air-cooled heat exchange assembly is conveniently hoisted for hoisting in the process of assembling the air-cooled heat exchange assembly to the wind turbine generator set. In this embodiment, the hoisting plate 180 is disposed on the oil inlet pipe.
The air-cooled heat exchange assembly provided by the embodiment can be directly used in an outdoor environment, and outdoor natural wind enters the core body from the air inlet surface of the core body and exchanges heat with each inner pipeline 130.
Example two
FIG. 5 is a schematic view of the air-cooled heat exchange assembly according to the second embodiment of the present invention; fig. 6 is a sectional view of the air-cooled heat exchange assembly according to the second embodiment of the present invention. The difference from the air-cooled heat exchange module provided in the first embodiment is that the air-cooled heat exchange module further includes a motor 400, an axial fan 500, and a wind scooper 600, as shown in fig. 5 and 6.
The axial flow fan 500 and the wind scooper 600 are arranged on the air inlet surface of the core, specifically, the wind scooper 600 is arranged on the connecting plate 170, the motor 400 and the axial flow fan 500 are fixedly arranged on the wind scooper 600, and the motor 400 drives the forced air generated by the axial flow fan 500 to pass through the air inlet surface of the core and enter the core to exchange heat with the inner pipelines 130; the wind scooper 600 is used for guiding the forced wind generated by the axial fan 500 to the wind inlet side of the core body, and meanwhile, the wind scooper 600 also has the function of shielding dust and impurities.
The air-cooled heat exchange assembly provided by the embodiment is suitable for being arranged in an indoor environment for use, and the forced air generated indoors enters the core body from the air inlet surface of the core body and exchanges heat with each inner pipeline 130.
The air-cooled heat exchange assembly for supplying oil to the gear box lubricating system of the wind generating set in the low-temperature environment is internally provided with the heater, and oil is heated by the heater under the low-temperature working condition, so that the oil can be rapidly heated, and the flow of the oil in the oil inlet pipeline, the inner pipeline and the oil outlet pipeline is promoted, so that the resistance of the system is reduced, and the oil supply is realized; the invention is also provided with a bypass pipeline and a bypass valve, when the system resistance is overlarge, a certain heating time is needed for oil to flow in the inner pipeline and the oil outlet pipeline, in the process, the pressure in the oil inlet pipeline is increased so as to open the bypass valve, and the oil reaches the oil outlet of the oil outlet pipeline through the bypass pipeline, so that the system resistance is reduced, and the oil supply is realized. The air-cooled heat exchange assembly provided by the invention can quickly start the wind generating set in a low-temperature environment, reduces the influence of low-temperature working conditions on the service life of the motor, and is not limited by a use place.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (10)

1. An air-cooled heat exchange assembly is used for supplying oil to a gear box lubricating system of a wind generating set in a low-temperature environment and is characterized in that,
the air-cooled heat exchange assembly comprises a core body;
the core body comprises an oil inlet pipeline, an oil outlet pipeline and a plurality of inner pipelines;
an oil inlet is formed in the oil inlet pipeline, and oil enters the oil inlet pipeline from the oil inlet; the oil inlet pipeline is also provided with a heater, the heater is inserted into the oil inlet pipeline to heat oil, and the heater is positioned below the oil inlet;
the oil inlet pipeline and the oil outlet pipeline are communicated through the plurality of inner pipelines, and oil in the oil inlet pipeline flows into the oil outlet pipeline through the plurality of inner pipelines; the inner pipelines exchange heat with air to cool oil liquid flowing through the inner pipelines;
the oil outlet pipeline is provided with an oil outlet, and oil is discharged from the oil outlet.
2. The air-cooled heat exchange assembly of claim 1,
the heater is provided with a temperature monitor and a temperature control switch, the temperature monitor is used for monitoring the oil temperature of an oil inlet pipeline and transmitting a generated oil temperature signal to the heater, and the heater controls the temperature control switch to be switched on and off according to the received temperature signal;
when the temperature of the oil in the oil inlet pipeline is lower than a preset lower temperature limit, the heater turns on the temperature control switch to heat the oil;
when the temperature of the oil in the oil inlet pipeline is higher than the preset upper temperature limit, the heater closes the temperature control switch to stop heating the oil;
the oil can freely flow in a temperature range formed by a preset lower temperature limit and a preset upper temperature limit.
3. The air-cooled heat exchange assembly of claim 1,
the core further comprises a bypass conduit; one end of the bypass pipeline is connected with the oil inlet pipeline, and the other end of the bypass pipeline is communicated with the oil outlet pipeline and is positioned above the oil outlet;
oil in the oil inlet pipeline can also reach the oil outlet of the oil outlet pipeline through the bypass pipeline.
4. The air-cooled heat exchange assembly of claim 3,
the core further comprises a bypass valve; the bypass valve is arranged at the joint of the oil inlet pipeline and the bypass pipeline and used for controlling the connection or disconnection of the oil inlet pipeline and the bypass pipeline.
5. The air-cooled heat exchange assembly of claim 4,
the bypass valve is a pressure sensing valve;
when the oil pressure in the oil inlet pipeline reaches a set threshold value, the bypass valve is opened, and the oil inlet pipeline is communicated with the bypass pipeline;
and when the oil pressure in the oil inlet pipeline is lower than a set threshold value, the bypass valve is closed, and the oil inlet pipeline is disconnected with the bypass pipeline.
6. The air-cooled heat exchange assembly of claim 1,
the air-cooled heat exchange assembly further comprises a dust screen, wherein the dust screen is arranged on one side of the core body for air inlet and used for filtering dust and impurities in the air.
7. The air-cooled heat exchange assembly of claim 1,
the air-cooled heat exchange assembly also comprises an installation plate which is used for installing and fixing the air-cooled heat exchange assembly on the wind generating set;
the mounting plates are distributed on two sides of the core body, and mounting holes are formed in the mounting plates.
8. The air-cooled heat exchange assembly of claim 7,
the core body also comprises a connecting plate, and the core body is fixedly connected with the mounting plate through the connecting plate;
the connecting plates are distributed on two sides of the core body and provided with mounting holes;
and the connecting plate and the corresponding mounting plate are fixedly connected through the mounting hole on any side of the core body.
9. The air-cooled heat exchange assembly of claim 1,
the core body also comprises a hoisting plate, and the air-cooled heat exchange assembly can be hoisted for hoisting through the hoisting plate;
the hoisting plate is arranged on the oil inlet pipeline;
the core body also comprises a spare hole and a plug matched with the spare hole; the spare hole is positioned on the oil outlet pipeline and used for discharging the oil liquid of the core body; the plug is used for sealing the standby hole.
10. The air-cooled heat exchange assembly of claim 1,
the air-cooled heat exchange assembly can be arranged outdoors and exchanges heat with the core body through natural wind;
alternatively, the first and second electrodes may be,
the air-cooled heat exchange assembly also comprises a motor, an axial flow fan and an air guide cover, wherein the axial flow fan and the air guide cover are arranged on the air inlet surface of the core body, and forced air generated by the axial flow fan driven by the motor is transmitted to the core body through the air guide cover;
the air-cooled heat exchange assembly can be arranged indoors and exchanges heat with the core body through forced air.
CN202211242788.8A 2022-10-11 2022-10-11 Air-cooled heat exchange assembly Pending CN115539339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211242788.8A CN115539339A (en) 2022-10-11 2022-10-11 Air-cooled heat exchange assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211242788.8A CN115539339A (en) 2022-10-11 2022-10-11 Air-cooled heat exchange assembly

Publications (1)

Publication Number Publication Date
CN115539339A true CN115539339A (en) 2022-12-30

Family

ID=84732696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211242788.8A Pending CN115539339A (en) 2022-10-11 2022-10-11 Air-cooled heat exchange assembly

Country Status (1)

Country Link
CN (1) CN115539339A (en)

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