CN114374292A - Transmission device with cooling function and high-horsepower tractor - Google Patents
Transmission device with cooling function and high-horsepower tractor Download PDFInfo
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- CN114374292A CN114374292A CN202111671079.7A CN202111671079A CN114374292A CN 114374292 A CN114374292 A CN 114374292A CN 202111671079 A CN202111671079 A CN 202111671079A CN 114374292 A CN114374292 A CN 114374292A
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- shell
- cooling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
Abstract
The invention provides a transmission device with a cooling function and a high-horsepower tractor, and relates to the technical field of agricultural machinery.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a transmission device with a cooling function and a high-horsepower tractor.
Background
With the development and progress of society, the agricultural field is developed towards centralized mechanization, and the demand of large-scale agricultural mechanical equipment is increased, wherein a tractor with high horsepower is a common tractor. At present, a high-horsepower tractor is generally driven by mechanical power and driven, in the process of advancing, the high-horsepower tractor is used as power output through a diesel engine, power is transmitted through a complex transmission structure, during farmland operation of the high-horsepower tractor, low-speed and high-load operation is generally performed, the transmission structure is overloaded to work, the working condition has high requirement on heat dissipation, the traditional natural cooling mode cannot meet the cooling requirement on the transmission structure, high-temperature failure and even damage of the transmission structure are easily caused, the service life of equipment is shortened, and the maintenance cost is increased.
Disclosure of Invention
The present invention is directed to solving at least one of the above-described problems.
In order to solve the above problems, the present invention provides a transmission device with a cooling function, including a casing, a generator, a motor and an air cooling system, wherein the generator and the motor are both disposed in the casing, the generator and the motor are disposed opposite to each other, an air inlet cavity is disposed between the generator and the motor, the generator includes a generator casing, the motor includes a motor casing, a generator centrifugal fan is disposed at one end of the generator casing in an axial direction close to the motor, the motor centrifugal fan is disposed at one end of the motor casing in the axial direction close to the generator, a generator air hole is disposed at one end of the generator casing in the axial direction far from the motor, a motor air hole is disposed at one end of the motor casing in the axial direction far from the generator, a first exhaust cavity is disposed between one end of the generator casing in the axial direction far from the motor and the casing The body, the axial of motor housing just keeps away from the one end of generator with the second cavity of airing exhaust has between the casing, the casing be provided with the first gas vent of first cavity intercommunication of airing exhaust, the casing be provided with the second gas vent of second cavity intercommunication of airing exhaust, the casing be provided with the air inlet of air inlet cavity intercommunication, air-cooled system is suitable for sending into air conditioning the air inlet.
Compared with the prior art, the transmission device with the cooling function provided by the invention has the following beneficial effects that:
the driving device of the high-horsepower tractor can transmit power to the generator to generate power, the generator transmits the power to the motor and can be converted into mechanical energy to do work, the power can be in driving connection with the walking device of the high-horsepower tractor through the output end of the motor, and the motor drives the walking device to move so as to realize the moving of the whole machine and the traction of other equipment, the driving device of the invention replaces the original complicated mechanical structures such as a gear transmission and the like to carry out power transmission and power driving, a driver in a cab of the high-horsepower tractor can adjust the rotating speeds of the generator and the motor through devices such as keys or a central control screen and the like so as to adjust the moving speed of the walking device, the speed change is more convenient and stable, the operation of the driver is easy, and the structural form that the driving device drives the driving device of the invention to carry out power transmission and power output reduces the original complicated mechanical structures such as the gear transmission and the like, the maintenance of the equipment and the maintenance are more convenient, and the service life of the whole machine is further prolonged.
During cooling, external cold air can be sent into an air inlet cavity in the shell from an air inlet through an air cooling system, a part of cold air entering the air inlet cavity enters the generator shell under the action of a centrifugal fan of the generator, heat dissipation is carried out on a generator rotor and a generator stator in the generator shell, the heated cold air enters a first exhaust cavity from an air hole of the generator and is finally exhausted from a first exhaust port, and heat dissipation of a heating element in the generator shell is realized; the other part of the cold air entering the air inlet cavity enters the motor shell under the action of the centrifugal fan of the motor to dissipate heat of a motor rotor and a motor stator in the motor shell, and the warmed cold air enters the second air exhaust cavity from the air hole of the motor and is finally exhausted from the second air exhaust port, so that heat dissipation of a heating element in the motor shell is realized. Wherein, will form the air inlet cavity between generator and motor, air inlet and air inlet cavity intercommunication for half carries out the forced air cooling to the generator of air conditioning, and half cools off the motor, and both coolings go on simultaneously and mutual noninterference, and the cooling effect is better. In addition, a first air exhaust cavity is arranged between one end of the generator shell in the axial direction and far away from the motor and the shell, space is provided for the flow of the heated air-cooled air from the generator air hole to the first air exhaust port, a complete air-cooled stroke is ensured to be formed from one end of the generator shell in the axial direction to the other end of the generator shell, the heating element in the generator shell is cooled comprehensively, a second air exhaust cavity is arranged between one end of the motor shell in the axial direction and far away from the generator and the shell, space is provided for the flow of the heated air-cooled air from the motor air hole to the second air exhaust port, a complete air-cooled stroke is ensured to be formed from one end of the motor shell in the axial direction to the other end of the motor shell, and the heating element in the motor shell is cooled comprehensively. Wherein, the axis of generator rotor pivoted is parallel with generator centrifugal fan's axis for the air conditioning that enters into in the generator housing by generator centrifugal fan further spreads the space in whole generator housing under the effect of pivoted generator rotor, and the engine is the same like, and the air-cooled effect is better like this.
Further, first exhaust port department is provided with first filtration piece, second exhaust port department is provided with the second and filters the piece, air inlet department is provided with the third filtration piece.
Furthermore, a first liquid cavity is formed between the circumferential side wall of the generator shell and the inner wall of the shell, a second liquid cavity is formed between the circumferential side wall of the motor shell and the inner wall of the shell, a first liquid external interface communicated with the first liquid cavity is arranged on the shell, and a second liquid external interface communicated with the second liquid cavity is arranged on the shell.
Further, the first liquid chamber is an annular cavity along a circumferential side wall of the generator housing, and the second liquid chamber is an annular cavity along a circumferential side wall of the motor housing.
Further, transmission with cooling function still includes the liquid cooling system, the liquid cooling system includes circulation pipeline, circulating pump and heat abstractor, the circulating pump with heat abstractor set up respectively in on the circulation pipeline, first liquid external tapping is provided with two, first liquid chamber is through two first liquid external tapping connects in parallel extremely on the circulation pipeline, second liquid external tapping is provided with two, second liquid chamber is through two second liquid external tapping connects in parallel extremely on the circulation pipeline.
Furthermore, one of the first liquid external interfaces is disposed at the top of the first liquid chamber, the other of the first liquid external interfaces is disposed at the bottom of the first liquid chamber, one of the second liquid external interfaces is disposed at the top of the second liquid chamber, and the other of the second liquid external interfaces is disposed at the bottom of the second liquid chamber.
Furthermore, the transmission device with the cooling function also comprises a converter, the converter is arranged outside the casing, and the generator is connected with the motor through the converter; the converter comprises a converter main body and a converter outer shell, wherein a third liquid cavity is arranged between the converter main body and the converter outer shell, two third liquid external interfaces are arranged on the converter outer shell, and the third liquid cavity is connected to the circulating pipeline in series through the two third liquid external interfaces.
Further, the liquid cooling system further comprises an expansion tank, and the expansion tank is connected to the circulating pipeline through a pipeline.
In addition, the invention also provides a high-horsepower tractor comprising the transmission device with the cooling function.
Since the technical improvement and advantageous effects of the high horsepower tractor are the same as those of the transmission having the cooling function, a detailed description thereof will not be given.
Further, the high-horsepower tractor further comprises an engine and a cooling fan, wherein the engine is provided with an engine liquid cooling system, the engine liquid cooling system comprises an engine radiator, and the engine radiator and the cooling device of the transmission device with the cooling function share the cooling fan.
Drawings
FIG. 1 is an internal schematic view of a transmission having a cooling function according to an embodiment of the present invention;
FIG. 2 is a front view of a transmission having a cooling function according to an embodiment of the present invention;
fig. 3 is a plan view of a transmission having a cooling function according to an embodiment of the present invention.
Description of reference numerals:
1-a housing, 11-a first filter element, 12-a second filter element, 13-a first liquid external port, 14-a second liquid external port, 15-a third liquid external port, 21-a generator housing, 22-a generator stator, 23-a generator rotor, 24-a generator centrifugal fan, 31-a motor housing, 32-a motor stator, 33-a motor rotor, 34-a motor centrifugal fan, 41-a first exhaust cavity, 42-a second exhaust cavity, 43-an intake cavity, 44-a first liquid cavity, 45-a second liquid cavity, 51-a circulation line, 52-a circulation pump, 53-a heat sink, 54-an expansion tank, 6-a converter, 7-an engine.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Also, in the drawings, the Z-axis represents a vertical, i.e., up-down, position, and a positive direction of the Z-axis (i.e., an arrow direction of the Z-axis) represents up, a negative direction of the Z-axis (i.e., an opposite direction to the positive direction of the Z-axis) represents down, the Y-axis represents a lateral, i.e., left-right, position, and a positive direction of the Y-axis (i.e., an arrow direction of the Y-axis) represents left, a negative direction of the Y-axis (i.e., an opposite direction to the positive direction of the Y-axis) represents right, the X-axis represents a longitudinal, i.e., front-rear, position, and a positive direction of the X-axis (i.e., an arrow direction of the X-axis) represents front, and a negative direction of the X-axis (i.e., an opposite direction to the positive direction of the X-axis) represents rear.
It should also be noted that the foregoing Z-axis, X-axis, and Y-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must be oriented, constructed or operated in a particular orientation and therefore should not be construed as limiting the invention.
Referring to fig. 1 to 3, a transmission device with a cooling function according to an embodiment of the present invention includes a housing 1, a generator, a motor, and an air cooling system, wherein the generator and the motor are disposed in the housing 1, the generator and the motor are disposed opposite to each other, an air inlet cavity 43 is disposed between the generator and the motor, the generator includes a generator housing 21, the motor includes a motor housing 31, a generator centrifugal fan 24 is disposed at one end of the generator housing 21, which is located in an axial direction and close to the motor, a motor centrifugal fan 34 is disposed at one end of the motor housing 31, which is located in the axial direction and close to the generator, a generator air hole is disposed at one end of the generator housing 21, which is located in the axial direction and far from the motor, a motor air hole is disposed at one end of the motor housing 31, which is located in the axial direction and far from the generator, the axial of generator shell 21 just keeps away from the one end of motor with first exhaust cavity 41 has between casing 1, the axial of motor shell 31 just keeps away from the one end of generator with second exhaust cavity 42 has between the casing 1, casing 1 be provided with the first exhaust port of first exhaust cavity 41 intercommunication, casing 1 be provided with the second exhaust port of second exhaust cavity 42 intercommunication, casing 1 be provided with the air inlet of air inlet cavity 43 intercommunication, the air-cooled system is suitable for sending into cold air the air inlet.
The end of the generator housing 21 in the axial direction close to the motor is referred to as the front end of the generator housing, the end of the generator housing 21 in the axial direction far from the motor is referred to as the rear end of the generator housing, the end of the motor housing 31 in the axial direction close to the generator is referred to as the rear end of the motor housing, and the end of the motor housing 31 in the axial direction far from the generator is referred to as the front end of the motor.
In the embodiment, the driving device of the high-horsepower tractor can transmit power to the generator for generating power, the generator transmits the power to the motor and can be converted into mechanical energy for doing work, the output end of the motor is in driving connection with the running device of the high-horsepower tractor, and the motor drives the running device to run so as to realize the running of the whole machine and the traction of other equipment, the transmission device of the invention replaces the original complicated mechanical structures such as a gear transmission and the like for power transmission and power driving, a driver in a cab of the high-horsepower tractor can adjust the rotating speeds of the generator and the motor through devices such as keys or a central control screen and the like so as to adjust the running speed of the running device, the speed change is more convenient and stable, the operation of the driver is easy, and the structural form that the driving device drives the transmission device of the invention to carry out power transmission and power output reduces the original complicated mechanical structures such as the gear transmission and the like, the maintenance of the equipment and the maintenance are more convenient, and the service life of the whole machine is further prolonged.
During cooling, external cold air can be sent into the air inlet cavity 43 in the machine case 1 from an air inlet (not shown in the figure) through an air cooling system, a part of the cold air entering the air inlet cavity 43 enters the generator housing 21 under the action of the generator centrifugal fan 24 to dissipate heat of the generator rotor 23 and the generator stator 22 in the generator housing 21, and the warmed cold air enters the first exhaust cavity 41 from the generator air hole and is finally exhausted from the first exhaust port to dissipate heat of a heating element in the generator housing 21; the other part of the cold air entering the air inlet cavity 43 enters the motor shell 31 under the action of the motor centrifugal fan 34 to dissipate heat of the motor rotor 33 and the motor stator 32 in the motor shell 31, and the warmed cold air enters the second air exhaust cavity 42 from the motor air hole and is finally exhausted from the second air exhaust port, so that heat dissipation of the heating element in the motor shell 31 is realized. Wherein, will form air inlet cavity 43 between generator and motor, air inlet and air inlet cavity 43 intercommunication for half air conditioning carries out the forced air cooling to the generator, and half cools off the motor, and both coolings go on simultaneously and mutual noninterference, and the cooling effect is better. In addition, a first exhaust cavity 41 is arranged between one end of the generator shell 21 in the axial direction and far away from the motor and the shell, so that space is provided for the flow of the warmed cold air from the generator air hole to the first exhaust port, a complete air cooling stroke of the cold air from the one end in the axial direction in the generator shell 21 to the other end is ensured, the heating elements in the generator shell 21 are comprehensively cooled, a second exhaust cavity 42 is arranged between one end of the motor shell 31 in the axial direction and far away from the generator and the shell 1, space is provided for the flow of the warmed cold air from the motor air hole to the second exhaust port, a complete air cooling stroke of the cold air from the one end in the axial direction in the motor shell 31 to the other end is ensured, and the heating elements in the motor shell 31 are comprehensively cooled. The axis of rotation of the generator rotor 23 is parallel to the axis of the generator centrifugal fan 24, so that the cold air entering the generator casing 21 from the generator centrifugal fan 24 is further diffused to the whole space in the generator casing 21 under the action of the rotating generator rotor 23, and the air cooling effect of the engine is also better.
Optionally, referring to fig. 3, a first filter element 11 is provided at the first exhaust port, a second filter element 12 is provided at the second exhaust port, and a third filter element is provided at the air inlet port.
Here, through each filtering piece, guarantee that the outside impurity of casing 1 (especially large granule impurity) can not enter into inside the casing 1, firstly avoid influencing the air-cooled effect, secondly prevent that these impurity from damaging the inside electric elements of generator housing 21, the inside electric elements of motor housing 31, avoid life to reduce.
Each filter piece is preferably detachably connected, so that subsequent maintenance, replacement and other operations are facilitated.
Alternatively, referring to fig. 1, a first liquid chamber 44 is formed between the circumferential side wall of the generator housing 21 and the inner wall of the housing 1, a second liquid chamber 45 is formed between the circumferential side wall of the motor housing 31 and the inner wall of the housing 1, a first liquid external port 13 communicating with the first liquid chamber 44 is provided on the housing 1, and a second liquid external port 14 communicating with the second liquid chamber 45 is provided on the housing 1.
Here, by forming the first liquid chamber 44 between the circumferential side wall of the generator housing 21 and the inner wall of the casing 1, the first liquid chamber 44 can be further filled with the coolant through the first liquid external port 13, and when the generator operates, the heat inside the generator housing 21 can be further transferred to the coolant in the first liquid chamber 44 through the generator housing 21, and the coolant is used for liquid-cooled heat dissipation. Similarly, a second liquid cavity 45 is formed between the circumferential side wall of the motor housing 31 and the inner wall of the casing 1, and then the second liquid cavity 45 can be filled with cooling liquid through the second liquid external interface 14, when the motor works, the heat inside the motor can also be transferred to the cooling liquid in the second liquid cavity 45 through the motor housing 31, and the cooling liquid is used for liquid cooling heat dissipation. So, generator and motor are in inside forced air cooling, and the liquid cooling is also carried out to the outer wall, and the cooling effect is better.
Alternatively, the first liquid chamber 44 is an annular chamber along the circumferential side wall of the generator housing 21, and the second liquid chamber 45 is an annular chamber along the circumferential side wall of the motor housing 31.
Here, the first liquid chamber 44 is an annular chamber, so that the cooling liquid inside the first liquid chamber can have a very large contact area with the generator housing 21, and the heat dissipation effect of the generator is better; the second liquid chamber 45 is an annular chamber, so that the cooling liquid in the second liquid chamber can have a large contact area with the motor shell 31, and the heat dissipation effect of the motor is better.
Optionally, referring to fig. 2 and fig. 3, the transmission device with a cooling function further includes a liquid cooling system, the liquid cooling system includes a circulation pipeline 51, a circulation pump 52 and a heat dissipation device 53, the circulation pump 52 and the heat dissipation device 53 are respectively disposed on the circulation pipeline 51, two first liquid external interfaces 13 are disposed, the first liquid chambers 44 are connected to the circulation pipeline 51 in parallel through the two first liquid external interfaces 13, two second liquid external interfaces 14 are disposed, and the second liquid chambers 45 are connected to the circulation pipeline 51 in parallel through the two second liquid external interfaces 14.
Here, the circulation flow of the coolant in the entire circulation line 51 is provided by the circulation pump 52, the coolant that has been warmed in the first liquid chamber 44 and the second liquid chamber 45 is sent into the heat sink 53, is radiated by the heat sink 53, is changed to a cold coolant again, and is circulated again into the first liquid chamber 44 and the second liquid chamber 45.
It can be understood that the outer side wall of the heat sink 53 has heat radiating fins to increase a contact area with the outside air, and the outer side of the heat sink 53 also has a heat radiating fan by which the space near the heat radiating fins is agitated to increase the heat exchange efficiency.
Here, the first liquid chamber 44 and the second liquid chamber 45 are connected in parallel to the circulation line 51, so that the cooling liquid in the first liquid chamber 44 and the cooling liquid in the second liquid chamber 45 are in complementary interference when cooling and absorbing heat, that is, the cooling liquid entering the first liquid chamber 44 does not enter the second liquid chamber 45 after radiating heat to the generator, and meanwhile, the cooling liquid entering the second liquid chamber 45 does not enter the first liquid chamber 44 again after radiating heat to the motor, and the heat radiation effect is better.
Alternatively, one of the first liquid external interfaces 13 is disposed at the top of the first liquid chamber 44, the other of the first liquid external interfaces 13 is disposed at the bottom of the first liquid chamber 44, one of the second liquid external interfaces 14 is disposed at the top of the second liquid chamber 45, and the other of the second liquid external interfaces 14 is disposed at the bottom of the second liquid chamber 45.
Here, since the first liquid chamber 44 is annular, the first liquid external interface 13 at the top serves as a liquid inlet, and the first liquid external interface 13 at the bottom serves as a liquid outlet, so that after the liquid inlet enters the liquid and flows out from the liquid outlet, the cooling liquid in the whole first liquid chamber 44 is full and flows, and the heat dissipation effect is good. The same is true of the second fluid chamber 45.
Optionally, referring to fig. 2 and 3, the transmission with cooling function further includes a converter 6, the converter 6 is disposed outside the casing 1, and the generator is connected to the motor through the converter 6; the converter 6 comprises a converter main body and a converter shell, a third liquid cavity is arranged between the converter main body and the converter shell, two third liquid external interfaces 15 are arranged on the converter shell, and the third liquid cavity is connected in series to the circulating pipeline 51 through the two third liquid external interfaces 15.
Here, through connecting between generator and motor and setting up converter 6, converter 6 inverts the high-tension electricity of generator output into the voltage value that accords with the motor work for power transmission is more stable, simultaneously through setting up converter 6, can regard as the control module of control generator and motor output, the overall control of being convenient for.
Here, after the coolant comes out from the heat dissipation device 53, the coolant passes through the third liquid chamber first to dissipate heat of the converter 6 and then to dissipate heat of the generator and the motor, and since the converter 6 generates less heat compared with the generator and the motor, the coolant temperature can still satisfy heat dissipation of the generator and the motor after the converter is cooled first.
Specifically, the output end of the circulating pump 52 is connected with the inlet of the heat dissipation device 53 through a first section of pipe, the outlet of the heat dissipation device 53 is connected with one third liquid external interface 15 through a second section of pipe, another third liquid external interface 15 is connected with the input end of the circulating pump 52 through a third section of pipe, one first liquid external interface 13 is connected with the first position of the third section of pipe through a fourth section of pipe, another first liquid external interface 13 is connected with the second position of the third section of pipe through a fifth section of pipe, one second liquid external interface 14 is connected with the third position of the third section of pipe through a sixth section of pipe, another second liquid external interface 14 is connected with the fourth position of the third section of pipe through a seventh section of pipe, and the first position and the second position are located between the third position and the fourth position to realize parallel connection.
Each pipeline winding is on casing 1, further increases the cooling effect, and reduces the space and takes up.
Optionally, referring to fig. 3 and 3, the liquid cooling system further comprises an expansion tank 54, and the expansion tank 54 is connected to the circulation line 51 through a pipeline.
Here, after the coolant temperature changes, can take place the expend with heat and contract with cold of certain degree, can realize through the expansion tank to the hydraulic pressure of pressure buffering and compensation, improve the security.
In addition, the invention also provides a high-horsepower tractor comprising the transmission device with the cooling function.
Since the technical improvement and advantageous effects of the high horsepower tractor are the same as those of the transmission having the cooling function, a detailed description thereof will not be given.
Optionally, the high-horsepower tractor further includes an engine 7 and a radiator fan, the engine 7 is provided with an engine liquid cooling system, the engine liquid cooling system includes an engine radiator, and the engine radiator and the radiator of the transmission device having the cooling function share the radiator fan.
The engine radiator and the heat dissipation device 53 of the transmission device with the cooling function share the heat dissipation fan, so that the additional arrangement of the heat dissipation fan is avoided, and the occupied space is reduced.
The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. A transmission device with a cooling function is characterized by comprising a machine shell (1), a generator, a motor and an air cooling system, wherein the generator and the motor are arranged in the machine shell (1) and are oppositely arranged, an air inlet cavity (43) is arranged between the generator and the motor, the generator comprises a generator shell (21), the motor comprises a motor shell (31), a generator centrifugal fan (24) is arranged at one end, close to the motor, of the generator shell (21) in the axial direction, a motor centrifugal fan (34) is arranged at one end, close to the generator, of the motor shell (31), a generator air hole is formed at one end, far away from the motor, of the generator shell (21) in the axial direction, and a motor air hole is formed at one end, far away from the generator, of the motor shell (31), the axial of generator shell (21) just keeps away from the one end of motor with first exhaust cavity (41) have between casing (1), the axial of motor shell (31) just keeps away from the one end of generator with second exhaust cavity (42) have between casing (1), casing (1) be provided with the first exhaust port of first exhaust cavity (41) intercommunication, casing (1) be provided with the second exhaust port of second exhaust cavity (42) intercommunication, casing (1) be provided with the air inlet of air inlet cavity (43) intercommunication, air-cooled system is suitable for sending into air conditioning the air inlet.
2. A transmission with cooling according to claim 1, characterized in that a first filter element (11) is arranged at the first exhaust opening, a second filter element (12) is arranged at the second exhaust opening, and a third filter element is arranged at the inlet opening.
3. The transmission device with a cooling function according to claim 1, wherein a first liquid chamber (44) is formed between a circumferential side wall of the generator housing (21) and an inner wall of the casing (1), a second liquid chamber (45) is formed between a circumferential side wall of the motor housing (31) and the inner wall of the casing (1), a first liquid external port (13) communicating with the first liquid chamber (44) is provided on the casing (1), and a second liquid external port (14) communicating with the second liquid chamber (45) is provided on the casing (1).
4. The transmission with a cooling function according to claim 3, characterized in that the first liquid chamber (44) is an annular cavity along a circumferential side wall of the generator housing (21), and the second liquid chamber (45) is an annular cavity along a circumferential side wall of the motor housing (31).
5. The transmission device with the cooling function according to claim 4, further comprising a liquid cooling system, wherein the liquid cooling system comprises a circulation pipeline (51), a circulation pump (52) and a heat dissipation device (53), the circulation pump (52) and the heat dissipation device (53) are respectively disposed on the circulation pipeline (51), two first liquid external interfaces (13) are provided, the first liquid chambers (44) are connected to the circulation pipeline (51) in parallel through the two first liquid external interfaces (13), two second liquid external interfaces (14) are provided, and the second liquid chambers (45) are connected to the circulation pipeline (51) in parallel through the two second liquid external interfaces (14).
6. Transmission with cooling according to claim 5, characterized in that one first liquid external connection (13) is arranged at the top of the first liquid chamber (44), another first liquid external connection (13) is arranged at the bottom of the first liquid chamber (44), one second liquid external connection (14) is arranged at the top of the second liquid chamber (45), and another second liquid external connection (14) is arranged at the bottom of the second liquid chamber (45).
7. Transmission with cooling according to claim 5, characterized by further comprising an inverter (6), wherein said inverter (6) is arranged outside the housing (1), and said generator is connected to said motor via said inverter (6); the converter (6) comprises a converter main body and a converter shell, a third liquid cavity is formed between the converter main body and the converter shell, two third liquid external interfaces (15) are arranged on the converter shell, and the third liquid cavity is formed by connecting the third liquid external interfaces (15) in series to the circulating pipeline (51).
8. Transmission with cooling according to claim 7, characterized in that said liquid cooling system further comprises an expansion tank (54), said expansion tank (54) being connected to said circulation line (51) by a line.
9. A high horsepower tractor comprising a transmission having a cooling function according to any one of claims 1 to 8.
10. A high horsepower tractor according to claim 9, further comprising an engine (7) and a radiator fan, said engine (7) being provided with an engine liquid cooling system comprising an engine radiator, said engine radiator and said radiator of said transmission having a cooling function sharing said radiator fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671079.7A CN114374292A (en) | 2021-12-31 | 2021-12-31 | Transmission device with cooling function and high-horsepower tractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671079.7A CN114374292A (en) | 2021-12-31 | 2021-12-31 | Transmission device with cooling function and high-horsepower tractor |
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| CN114374292A true CN114374292A (en) | 2022-04-19 |
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| CN202111671079.7A Pending CN114374292A (en) | 2021-12-31 | 2021-12-31 | Transmission device with cooling function and high-horsepower tractor |
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| Country | Link |
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| CN102442198A (en) * | 2010-10-13 | 2012-05-09 | 现代自动车株式会社 | Motor-generator cooling system of hybrid-automobile |
| US20150097450A1 (en) * | 2012-04-10 | 2015-04-09 | Zhihai Xu | System and method for cooling an electric motor |
| CN107147260A (en) * | 2017-07-19 | 2017-09-08 | 沈阳工业大学 | A kind of axial permanent magnetic auxiliary radial direction magnetic resistance high-speed electric expreess locomotive with combination cooling structure |
| CN112713713A (en) * | 2020-12-15 | 2021-04-27 | 速珂智能科技（上海）有限公司 | Mid-motor with power recharging function for electric motorcycle |
| CN113303315A (en) * | 2021-07-05 | 2021-08-27 | 芜湖多加农业科技有限责任公司 | Generator cooling system of sprayer |
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2021
- 2021-12-31 CN CN202111671079.7A patent/CN114374292A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442198A (en) * | 2010-10-13 | 2012-05-09 | 现代自动车株式会社 | Motor-generator cooling system of hybrid-automobile |
| US20150097450A1 (en) * | 2012-04-10 | 2015-04-09 | Zhihai Xu | System and method for cooling an electric motor |
| CN107147260A (en) * | 2017-07-19 | 2017-09-08 | 沈阳工业大学 | A kind of axial permanent magnetic auxiliary radial direction magnetic resistance high-speed electric expreess locomotive with combination cooling structure |
| CN112713713A (en) * | 2020-12-15 | 2021-04-27 | 速珂智能科技（上海）有限公司 | Mid-motor with power recharging function for electric motorcycle |
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