CN211476778U - Radiator and excavator - Google Patents
Radiator and excavator Download PDFInfo
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- CN211476778U CN211476778U CN201922304872.8U CN201922304872U CN211476778U CN 211476778 U CN211476778 U CN 211476778U CN 201922304872 U CN201922304872 U CN 201922304872U CN 211476778 U CN211476778 U CN 211476778U
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Abstract
The utility model provides a radiator and excavator relates to excavator technical field, and the radiator includes: the heat dissipation device comprises a liquid inlet pipe, a liquid outlet pipe and a plurality of heat dissipation branch pipes, wherein one end of each heat dissipation branch pipe is communicated with the liquid inlet pipe, and the other end of each heat dissipation branch pipe is communicated with the liquid outlet pipe; the plurality of radiating branch pipes are arranged in a surrounding manner, a gap is formed between every two adjacent radiating branch pipes, and a hollow part surrounded by the plurality of radiating branch pipes forms a channel; the heat sink includes a fan capable of forming an air flow in the passage flowing in a direction in which the passage extends. The hot-fluid flows through the heat-radiating branch pipes, the fan is started, the airflow generated by the fan flows along a channel formed by the plurality of heat-radiating branch pipes, the airflow can cover each heat-radiating branch pipe, and when the airflow flows through the heat-radiating branch pipes, the heat of the heat-radiating branch pipes can be taken away, so that the temperature of the hot-fluid in the heat-radiating branch pipes is reduced.
Description
Technical Field
The utility model belongs to the technical field of the excavator technique and specifically relates to a radiator and excavator is related to.
Background
The excavator, as a most common engineering machine, has a large volume and mass, and belongs to large-rotational-inertia mechanical equipment. During the process of driving the excavator, the cooling water, the air-conditioning refrigerant and the engine oil are radiated by adopting an aluminum fin heat exchanger for heat exchange.
Aluminium system fin heat exchanger is platelike, and aluminium system fin heat exchanger includes the feed liquor mainstream pipe, goes out liquid mainstream pipe and many heat dissipation branch pipes, feed liquor mainstream pipe and play liquid mainstream pipe parallel arrangement, and heat dissipation branch pipe sets up perpendicularly between feed liquor mainstream pipe and the play liquid mainstream pipe, and the both ends of heat dissipation branch pipe communicate with feed liquor mainstream pipe and play liquid mainstream pipe respectively, and the hot-fluid flows in from the inlet of aluminium system fin heat exchanger's feed liquor mainstream pipe, flows through the heat dissipation branch pipe and outwards dispels the heat, flows out from the export of play liquid mainstream pipe. The fan is arranged on one surface of the aluminum fin heat exchanger and blows air towards the aluminum fin heat exchanger, and the purpose of cooling the hot fluid is achieved through the heat exchange effect of the air and the hot fluid.
However, the surface area of the heat exchanger is large, and the branch pipes at the edge of the heat exchanger cannot be covered by the fan, so that the poor heat dissipation phenomenon can occur, and the problem of poor cooling effect is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radiator and excavator to the current not good technical problem of excavator radiating effect has been alleviated.
In a first aspect, an embodiment of the present invention provides a heat sink, the heat sink includes: the heat dissipation device comprises a liquid inlet pipe, a liquid outlet pipe and a plurality of heat dissipation branch pipes, wherein one end of each heat dissipation branch pipe is communicated with the liquid inlet pipe, and the other end of each heat dissipation branch pipe is communicated with the liquid outlet pipe;
the heat dissipation branch pipes are arranged in a surrounding mode, gaps are reserved between every two adjacent heat dissipation branch pipes, and a hollow part formed by the heat dissipation branch pipes in a surrounding mode forms a channel;
the heat sink includes a fan capable of forming an air flow in the passage flowing in a direction in which the passage extends.
Furthermore, the radiator comprises a motor, and a rotating shaft of the motor is connected with the fan and used for driving the fan to rotate.
Furthermore, the radiator comprises a guide cylinder, the guide cylinder comprises a first end and a second end, the cross-sectional area of the guide cylinder is gradually increased along the direction from one end of the guide cylinder to the second end, the guide cylinder is arranged in a hollow channel defined by the plurality of radiating branch pipes, and the first end of the guide cylinder is closer to the fan than the second end;
and the projection of the radiating branch pipe towards the side wall of the guide shell falls on the side wall of the guide shell.
Further, the radiator comprises a motor, and the motor is positioned in the guide cylinder; and a rotating shaft of the motor penetrates through the guide cylinder to be connected with the fan and is used for driving the fan to rotate.
Further, in feed liquor pipe and drain pipe, the feed liquor pipe is closer to the fan, just the fan can produce by the drain pipe orientation the air current that the feed liquor pipe direction flows.
Furthermore, the radiator comprises a reversing circuit, and the reversing circuit is electrically connected with the motor and used for changing the rotating direction of a rotating shaft of the motor, so that the motor can generate airflow flowing from the liquid inlet pipe to the liquid outlet pipe.
Further, the heat sink comprises an upper cover, the upper cover is positioned at one side of the fan, and the upper cover is used for blocking one end of the channel; a first annular clamping groove is formed in one side, facing the liquid inlet pipe, of the upper cover, and the liquid inlet pipe is clamped in the first annular clamping groove;
the second end of draft tube is provided with the opening and faces the second annular draw-in groove of drain pipe, the drain pipe joint is in the second annular draw-in groove.
Further, the radiator includes a plurality of annular fins, every annular fin all with a plurality of the heat dissipation branch pipe cup joints, and follows the length direction of heat dissipation branch pipe, a plurality of annular fin intervals set up.
In a second aspect, an embodiment of the present invention provides an excavator, which includes the above-mentioned heat sink.
Further, the radiator comprises a motor, and a rotating shaft of the motor is connected with the fan and used for driving the fan to rotate;
the excavator comprises a liquid inlet main pipe and a liquid outlet main pipe;
the number of the radiators is multiple, and the radiators are respectively connected in parallel between the liquid inlet main pipe and the liquid outlet main pipe.
Compared with the prior art, the embodiment of the utility model provides a difference point of radiator lies in:
the radiator includes feed liquor pipe, drain pipe to and a plurality of heat dissipation branch pipe, every the heat dissipation branch pipe one end with feed liquor pipe intercommunication, the other end with the drain pipe intercommunication, hot-fluid can follow the feed liquor pipe and get into to flow into respectively in many heat dissipation branch pipes, flow out from the drain pipe after the heat dissipation. The heat dissipation device comprises a heat dissipation branch pipe, a heat dissipation branch pipe and a heat dissipation pipe, wherein the heat dissipation branch pipes are arranged in a surrounding mode, a gap is formed between every two adjacent heat dissipation branch pipes, and a channel is formed in a hollow part formed by the heat dissipation branch pipes in a surrounding mode; the heat sink includes a fan capable of forming an air flow in the passage flowing in a direction in which the passage extends. When the radiator is started, the hot fluid flows through the radiating branch pipes, the fan is started, airflow generated by the fan flows along a channel defined by the radiating branch pipes, the airflow can cover each radiating branch pipe, and when the airflow flows through the radiating branch pipes, the heat of the radiating branch pipes can be taken away, so that the temperature of the hot fluid in the radiating branch pipes is reduced. Compared with the prior art, the embodiment of the utility model provides a fan of radiator can cover each heat dissipation branch pipe, has reduced the appearance at heat dissipation dead angle, and the radiating effect is better.
The embodiment of the utility model provides a pair of excavator, the excavator includes foretell radiator, because the utility model provides an excavator has quoted foretell radiator, so, the utility model provides an excavator also possesses the advantage of radiator.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a heat sink according to an embodiment of the present invention;
fig. 2 is an exploded view of a heat sink according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating connection of a plurality of radiators in the excavator according to an embodiment of the present invention.
Icon: 100-a liquid inlet pipe; 200-a liquid outlet pipe; 300-radiating branch pipes; 400-a fan; 500-a draft tube; 600-upper cover; 710-liquid inlet main pipe; 720-liquid outlet main pipe.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a heat sink, including: the heat dissipation device comprises a liquid inlet pipe 100, a liquid outlet pipe 200 and a plurality of heat dissipation branch pipes 300, wherein one end of each heat dissipation branch pipe 300 is communicated with the liquid inlet pipe 100, and the other end of each heat dissipation branch pipe 300 is communicated with the liquid outlet pipe 200; the plurality of radiating branch pipes 300 are arranged in a surrounding manner, a gap is formed between every two adjacent radiating branch pipes 300, and a hollow part surrounded by the plurality of radiating branch pipes 300 forms a channel; the heat sink comprises a fan 400, which fan 400 is capable of creating an air flow in the channel in the direction in which the channel extends.
The radiator includes feed liquor pipe 100, drain pipe 200 to and a plurality of heat dissipation branch pipe 300, every the one end of heat dissipation branch pipe 300 with feed liquor pipe 100 intercommunication, the other end with drain pipe 200 intercommunication, hot-fluid can follow feed liquor pipe 100 and get into to flow into respectively in many heat dissipation branch pipes 300, flow out from drain pipe 200 after the heat dissipation again. The plurality of radiating branch pipes 300 are arranged in a surrounding manner, a gap is formed between every two adjacent radiating branch pipes 300, a hollow part surrounded by the plurality of radiating branch pipes 300 forms a channel, and gas can enter the channel from the outer side of the radiating branch pipes along the transverse direction; the heat sink comprises a fan 400, which fan 400 is capable of creating an air flow in the channel in the direction in which the channel extends. When the radiator is started, the thermal fluid flows through the radiating branch pipes 300, and simultaneously the fan 400 is started, the airflow generated by the fan 400 flows along the channel defined by the plurality of radiating branch pipes 300, and the airflow can cover each radiating branch pipe, and when the airflow flows through the radiating branch pipes 300, the airflow can take away the heat of the radiating branch pipes 300, so as to take the temperature of the thermal fluid in the radiating branch pipes 300. Compared with the prior art, the embodiment of the utility model provides a fan 400 of radiator can cover each heat dissipation branch pipe 300, has reduced the appearance at heat dissipation dead angle, and the radiating effect is better.
The liquid inlet pipe 100 and the liquid outlet pipe 200 may be circular, elliptical, or square.
The intervals between the plurality of radiating branch pipes 300 arranged around are equal, and the airflow is uniformly contacted with the radiating branch pipes 300.
The heat sink includes a motor, and a rotation shaft of the motor is connected to the fan 400 to drive the fan 400 to rotate.
Compared with the prior art, in the embodiment, the radiator is provided with the motor, in the prior art, the fan of the radiator is driven by the rotating shaft of the engine of the excavator, and the power of the engine is consumed while the heat is dissipated. A plurality of radiators can be arranged in the excavator, when the environmental temperature is low and the heat dissipation requirement is not large, one or two radiators can be correspondingly started without starting all the radiators, and at the moment, the energy consumed by the whole excavator is reduced compared with the prior art, and the energy is saved.
The radiator comprises a guide cylinder 500, the guide cylinder 500 comprises a first end and a second end, the cross-sectional area of the guide cylinder 500 gradually increases along the direction from one end of the guide cylinder 500 to the second end, the guide cylinder 500 is arranged in a hollow channel defined by a plurality of radiating branch pipes 300, and the first end of the guide cylinder 500 is closer to the fan 400 than the second end; and the projection of the heat dissipation branch pipe 300 toward the side wall of the guide shell 500 falls on the side wall of the guide shell 500.
The guide cylinder 500 may be conical or pyramid-shaped, in this embodiment, the guide cylinder 500 is conical, the guide cylinder 500 is disposed in a hollow channel surrounded by the plurality of radiating branch pipes 300, and a tip of the guide cylinder 500 is closer to the fan 400; the fan 400 rotates to generate an inside-out airflow, and the airflow outside the circumferential direction of the radiator, that is, the airflow outside the radiating branch pipes 300 enters the channel from outside to inside in the transverse direction, and then flows toward the fan 400 under the guiding action of the guide cylinders. The arrangement of the guide shell can enable the airflow in the channel to flow to the fan 400 more uniformly, and heat is taken away from the channel. If the guide cylinder 500 is not provided, the air flows moving from opposite sides of the radiator in the lateral direction may collide with each other, thereby generating a turbulent flow in the passage and affecting the flow of the air flow.
Preferably, the heat sink includes a motor, and the motor is located in the guide shell 500; the rotating shaft of the motor penetrates through the guide cylinder 500 to be connected with the fan 400, and is used for driving the fan 400 to rotate.
In another embodiment of this embodiment, a motor for driving the fan 400 to rotate may be disposed in the guide cylinder 500, so as to fully utilize the inner space of the guide cylinder 500, thereby reducing the volume of the heat sink. A motor (not shown) may be fixed to an inner wall of the guide cylinder 500, and a rotation shaft of the motor passes through the guide cylinder 500 to be connected to the fan 400. The fan can be rotatably connected to the first end of the guide shell.
In the liquid inlet pipe 100 and the liquid outlet pipe 200, the liquid inlet pipe 100 is closer to the fan 400, and the fan 400 can generate an air flow flowing from the liquid outlet pipe 200 toward the liquid inlet pipe 100.
In this embodiment, can utilize fan 400 through the mode of carrying out convulsions to the passageway, take out the air current in the passageway from to at the inside negative pressure that forms of passageway, the air alright in the lateral outside of heat dissipation branch pipe 300 circumference can transversely enter into the passageway in, the air takes place the heat exchange with heat dissipation branch pipe 300, thereby gas is taken away the heat, reaches the purpose of cooling.
Furthermore, the radiator comprises a reversing circuit, and the reversing circuit is electrically connected with the motor and used for changing the rotating direction of the motor rotating shaft. So that the motor can generate the air flow flowing from the liquid inlet pipe 100 to the liquid outlet pipe 200.
After the radiator is used for a long time, some dust or impurities are collected on the outer wall of the radiating branch pipe 300, at the moment, the fan 400 generates an air flow from outside to inside by reversing the motor, the air flow enters the channel from one side of the fan 400, then the air flow moves outwards along the transverse direction under the guiding action of the guide cylinder 500, and the dust attached to the radiating branch pipe 300 is blown away outwards, so that the purpose of removing dust is achieved.
It should be noted that, the rotation direction of the motor shaft is changed by the commutation circuit, which belongs to the prior art, and here, the commutation circuit is applied to the driving mode of the fan 400, so as to solve the problem of dust deposition on the outward surface of the heat dissipation branch pipe 300.
The heat sink comprises an upper cover 600, the upper cover 600 is positioned at one side of the fan, and the upper cover 600 is used for blocking one end of the channel; one side that upper cover 600 faced the feed liquor pipe is provided with first ring groove, the feed liquor pipe joint is in the first ring groove.
In order to prevent the large impurities from falling into the channel and damaging the working fan 400, an upper cover 600 is disposed at one end of the heat sink, a first annular clamping groove is disposed on the upper cover 600, and the annular liquid inlet pipe 100 can be clamped with the first annular clamping groove. The upper cover is connected with the liquid inlet pipe in a detachable clamping mode, and the upper cover is conveniently opened for maintenance and cleaning.
Similarly, the second end of draft tube is provided with the opening and faces the second annular draw-in groove of drain pipe, the drain pipe joint is in the second annular draw-in groove.
Specifically, a second annular clamping groove with an opening facing the annular liquid outlet pipe is formed in the edge of the second end of the guide cylinder, and the liquid outlet pipe is clamped in the second annular clamping groove.
The cross sections of the first ring-shaped clamping groove and the second ring-shaped clamping groove can be both in a sector shape with a central angle of 90 degrees.
In order to increase the radiating area, the radiator comprises a plurality of annular fins, and each annular fin is sleeved with the plurality of radiating branch pipes and arranged at intervals along the length direction of the radiating branch pipes.
Specifically, each annular fin is penetrated through by all the radiating branch pipes, the plurality of annular fins are arranged at intervals along the length direction of the radiating branch pipes, the radiating branch pipes transmit heat to the annular fins, and the annular fins radiate the heat to the external environment, so that the radiating area is increased.
The embodiment of the utility model provides a pair of excavator, the excavator includes foretell radiator, because the utility model provides an excavator has quoted foretell radiator, so, the utility model provides an excavator also possesses the advantage of radiator.
As shown in fig. 3, the heat sink includes a motor, and a rotating shaft of the motor is connected to the fan 400 for driving the fan 400 to rotate; the excavator comprises a liquid inlet main pipe 710 and a liquid outlet main pipe 720; the number of the radiators is multiple, and the radiators are respectively connected in parallel between the liquid inlet main pipe 710 and the liquid outlet main pipe 720.
In the excavator that this embodiment provided, can have a plurality of radiators, every radiator all has respective motor, and the hot-fluid that the inlet liquid main 710 flowed in can flow into respectively in every radiator, and a plurality of radiators cool down the hot-fluid jointly. Compared with the prior art, the excavator of the embodiment can open the corresponding number of radiators according to requirements, and in the prior art, the fan 400 of the radiator is driven by the rotating shaft of the engine of the excavator, so that the power of the engine is consumed while heat is dissipated. A plurality of radiators can be arranged in the excavator, when the environmental temperature is low and the heat dissipation requirement is not large, one or two radiators can be correspondingly started without starting all the radiators, and at the moment, the energy consumed by the whole excavator is reduced compared with the prior art, and the energy is saved. In summer, a greater number of radiators can be switched on in the case of a higher ambient temperature.
Meanwhile, the rotating shaft of the excavator is not connected with the fan 400 of the radiator any more, so that the power loss of the engine is reduced, and the low-power engine can be equipped under the excavator with the same tonnage.
To sum up, the embodiment of the utility model provides a radiator and excavator's advantage as follows:
1. the aluminum finned heat exchanger and the fan 400 which are arranged side by side in the prior art are modified into an integrated radiator, the fan 400 can be positioned inside the radiating branch pipe 300, the size of the radiator is reduced, and the available space inside the excavator is increased.
2. The radiator is provided with a motor, the fan 400 of the radiator is not connected with the rotating shaft of the excavator any more, the power loss of the engine of the excavator is reduced, and the low-power engine can be equipped under the excavator with the same tonnage.
3. The excavator is internally provided with a plurality of radiators with motors, the corresponding number of radiators can be opened according to the external environment temperature, the number of the radiators can be reduced during low-load operation in winter, and the fuel consumption is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A heat sink, comprising: the heat dissipation device comprises a liquid inlet pipe (100), a liquid outlet pipe (200) and a plurality of heat dissipation branch pipes (300), wherein one end of each heat dissipation branch pipe (300) is communicated with the liquid inlet pipe (100), and the other end of each heat dissipation branch pipe is communicated with the liquid outlet pipe (200);
the plurality of radiating branch pipes (300) are arranged in a surrounding manner, a gap is reserved between every two adjacent radiating branch pipes (300), and a hollow part surrounded by the plurality of radiating branch pipes (300) forms a channel;
the heat sink comprises a fan (400), the fan (400) being capable of creating an air flow within the channel flowing in the direction in which the channel extends.
2. The heat sink as recited in claim 1, wherein the heat sink comprises a motor, a rotating shaft of the motor is connected with the fan (400) for driving the fan (400) to rotate.
3. The heat sink according to claim 1, wherein the heat sink comprises a flow guide cylinder (500), the flow guide cylinder (500) comprises a first end and a second end, the cross-sectional area of the flow guide cylinder (500) is gradually increased along one end of the flow guide cylinder (500) towards the second end, the flow guide cylinder (500) is arranged in a hollow passage surrounded by a plurality of the heat dissipation branch pipes (300), and the first end of the flow guide cylinder (500) is closer to the fan (400) than the second end;
and the projection of the heat radiation branch pipe (300) towards the side wall of the guide shell (500) falls on the side wall of the guide shell (500).
4. A heat sink according to claim 3, comprising an electric motor located within the draft tube (500); the rotating shaft of the motor penetrates through the guide cylinder (500) to be connected with the fan (400) and is used for driving the fan (400) to rotate.
5. A radiator according to claim 4, characterized in that of the inlet pipe (100) and the outlet pipe (200), the inlet pipe (100) is closer to the fan (400), and the fan (400) is capable of generating an air flow that flows from the outlet pipe (200) towards the inlet pipe (100).
6. A heat sink according to claim 5, comprising a commutation circuit electrically connected to the motor for changing the direction of rotation of the motor shaft to enable the motor to generate an air flow from the inlet pipe (100) in the direction of the outlet pipe (200).
7. A heat sink according to claim 6, characterised in that it comprises an upper cover (600), said upper cover (600) being located at one side of said fan (400), said upper cover (600) being adapted to block one end of said channel; a first annular clamping groove is formed in one side, facing the liquid inlet pipe (100), of the upper cover (600), and the liquid inlet pipe (100) is clamped in the first annular clamping groove;
the second end of draft tube (500) is provided with the opening and faces the second annular draw-in groove of drain pipe (200), drain pipe (200) joint is in the second annular draw-in groove.
8. The heat sink as recited in claim 1, wherein the heat sink comprises a plurality of ring-shaped fins, each ring-shaped fin is sleeved with a plurality of heat dissipating branch pipes (300), and the ring-shaped fins are arranged at intervals along the length direction of the heat dissipating branch pipes (300).
9. An excavator, characterized in that the excavator comprises a radiator according to any one of claims 1 to 8.
10. The excavator of claim 9, wherein the heat sink comprises a motor, and a rotating shaft of the motor is connected with the fan (400) and used for driving the fan (400) to rotate;
the excavator comprises a liquid inlet main pipe (710) and a liquid outlet main pipe (720);
the number of the radiators is multiple, and the radiators are respectively connected in parallel between the liquid inlet main pipe (710) and the liquid outlet main pipe (720).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922304872.8U CN211476778U (en) | 2019-12-18 | 2019-12-18 | Radiator and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922304872.8U CN211476778U (en) | 2019-12-18 | 2019-12-18 | Radiator and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211476778U true CN211476778U (en) | 2020-09-11 |
Family
ID=72359029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922304872.8U Active CN211476778U (en) | 2019-12-18 | 2019-12-18 | Radiator and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211476778U (en) |
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2019
- 2019-12-18 CN CN201922304872.8U patent/CN211476778U/en active Active
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