CN219509708U

CN219509708U - Heat dissipating device and working machine

Info

Publication number: CN219509708U
Application number: CN202320170158.8U
Authority: CN
Inventors: 张文杰; 范乃鹏; 范丽丽; 刘铁
Original assignee: Sany Heavy Machinery Ltd
Current assignee: Sany Heavy Machinery Ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-11
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of radiators, and provides a radiating device and an operating machine. The heat dissipating device includes: the radiator is arranged on the inner side of the hood, and the air outlet side of the radiator is opposite to the exhaust hole; one end of the air exhaust channel is connected with the air outlet side of the radiator, and the other end of the air exhaust channel is used for extending towards the air exhaust hole; the fan is connected with the radiator and used for driving airflow to run from the air inlet side to the air outlet side of the radiator. Through set up the passageway of airing exhaust between the exhaust hole of radiator and aircraft bonnet for the passageway of airing exhaust can be to carrying out mass flow and direction from the exhaust high temperature air current of air-out side of radiator, directly lead high temperature air current to the exhaust hole discharge, reduce the problem that high temperature air current directly dissipated in the aircraft bonnet from the air-out side of radiator, thereby reduce the production of thermal reflux problem, avoid the aircraft bonnet in the high temperature, and then improve the radiating efficiency of radiator, reduce the consumption of operation machinery.

Description

Heat dissipating device and working machine

Technical Field

The present disclosure relates to heat sinks, and particularly to a heat sink and a working machine.

Background

Work machines such as excavators, loaders, and cranes require cooling of oil or coolant by a heat sink. The heat sink is disposed within a hood of the work machine, and typically includes a radiator and a fan, the radiator being disposed in an airflow driving path of the fan. The hood is provided with an exhaust hole which is generally opposite to the airflow driving path of the fan and is used for exhausting the hot air in the hood. However, in the actual use process, the hot air is not completely discharged from the exhaust hole, and part of the hot air discharged from the radiator escapes into the engine cover, namely, the problem of hot air backflow is generated, so that the temperature in the engine cover is increased, the heat dissipation efficiency of the radiator is reduced, the heat dissipation effect is poor, and the power consumption of the working machine is increased.

Disclosure of Invention

The utility model provides a heat dissipation device and an operation machine, which are used for solving the defects that the heat dissipation efficiency of heat dissipation is reduced and the heat dissipation effect is poor due to the fact that the heat dissipation device is easy to generate hot air reflux in the prior art, and achieving the effect of reducing the hot air reflux.

The utility model provides a heat dissipating double-fuselage, is used for being opposite to the exhaust hole supplying the hood to exhaust air, comprising:

a radiator arranged on the inner side of the hood, and the air outlet side of the radiator is opposite to the exhaust hole;

one end of the air exhaust channel is connected with the air outlet side of the radiator, and the other end of the air exhaust channel is used for extending towards the air exhaust hole;

the fan is connected with the radiator and used for driving airflow to run from the air inlet side to the air outlet side of the radiator.

According to the heat dissipating device provided by the utility model, the exhaust channel comprises at least two splice plates, the at least two splice plates are sequentially arranged along the circumferential direction of the air outlet side of the heat sink, and the at least two splice plates are spliced to form a barrel structure or a tubular structure.

According to the heat dissipating device provided by the utility model, at least one splice plate is detachably connected with the heat sink.

According to the heat dissipation device provided by the utility model, two adjacent splice plates are detachably connected.

According to the heat dissipation device provided by the utility model, the heat dissipation device further comprises a sealing element, and the sealing element is arranged at one end of the exhaust channel, which is far away from the heat radiator.

According to the heat dissipating device provided by the utility model, the heat dissipating device further comprises the air collecting cover, the air collecting cover is connected with the air inlet side of the heat sink, the air collecting cover is provided with the air inlet, and the fan is arranged on the air inlet side of the heat sink and opposite to the air inlet.

According to the heat dissipation device provided by the utility model, the number of the air inlets and the number of the fans are at least two, and the corresponding fans are arranged at each air inlet.

According to the heat dissipation device provided by the utility model, the heat dissipation device further comprises the partition plate, wherein the partition plate is arranged in the air collection cover and connected with the air collection cover, the partition plate divides the inside of the air collection cover into at least two air inlet channels, and each air inlet channel is provided with the corresponding air inlet.

According to the heat dissipation device provided by the utility model, the air collecting cover is detachably connected with the radiator;

and/or, the heat dissipation device further comprises a filter element, and the air inlet is provided with the filter element.

The utility model also provides a working machine comprising a hood and a heat dissipating device as described above.

According to the heat dissipating device provided by the utility model, under the action of the fan, air flow enters from the air inlet side of the radiator, flows through the radiator and absorbs heat of the radiator to heat up to become high-temperature air flow. The high-temperature air flow enters the exhaust channel from the air outlet side of the radiator, and the exhaust channel extends towards the exhaust hole of the hood, so that the high-temperature air flow runs to the exhaust hole under the flow guiding effect of the exhaust channel and is exhausted from the exhaust hole.

So set up, through set up the passageway of airing exhaust between the exhaust hole of radiator and aircraft bonnet for the passageway of airing exhaust can be to carrying out mass flow and direction from the exhaust high-temperature air current of air-out side of radiator, directly lead high-temperature air current to the exhaust hole discharge, reduce the problem of the direct to the aircraft bonnet internal dissipation of air-out side of high-temperature air current from the radiator, thereby reduce the production of thermal reflux problem, avoid the aircraft bonnet internal temperature too high, and then improve the radiating efficiency of radiator, reduce the consumption of operation machinery.

Further, the working machine provided by the utility model comprises the heat dissipation device provided by the utility model, so that all the advantages of the heat dissipation device are simultaneously included.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a heat sink provided in some embodiments of the present utility model;

FIG. 2 is a schematic diagram of the configuration of exhaust channels provided in some embodiments of the utility model;

FIG. 3 is a schematic view of a wind collection housing provided in some embodiments of the utility model;

FIG. 4 is a schematic perspective view of a wind collecting housing according to some embodiments of the present utility model;

fig. 5 is a schematic view of a heat dissipating device according to some embodiments of the present utility model when mounted on a hood.

Reference numerals:

1. a hood; 2. a heat sink; 201. an air inlet side; 202. an air outlet side; 3. an exhaust passage; 301. splice plates; 4. a blower; 5. a wind collecting hood; 501. an air inlet; 6. a partition board.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the related art, a heat sink is provided in a hood of a work machine, and the heat sink generally includes a radiator and a fan, and the radiator is provided on an airflow driving path of the fan. The hood is provided with an exhaust hole which is generally opposite to the airflow driving path of the fan and is used for exhausting the hot air in the hood. However, in the actual use process, the hot air is not completely discharged from the exhaust hole, and part of the hot air discharged from the radiator escapes into the engine cover, namely, the problem of hot air backflow is generated, so that the temperature in the engine cover is increased, the heat dissipation efficiency of the radiator is reduced, the heat dissipation effect is poor, and the power consumption of the working machine is increased. The utility model provides a heat dissipation device and an operation machine, which aim to solve the problems that in the prior art, a heat dissipation device is easy to generate hot air reflux, so that the heat dissipation efficiency of heat dissipation is reduced and the heat dissipation effect is poor, and achieve the effect of reducing the hot air reflux.

The heat dissipating device provided in the embodiment of the present utility model is described below with reference to fig. 1 to 5.

The heat dissipating device is used for being opposite to the exhaust hole of the hood 1, the exhaust hole is used for being used for the hood 1 to exhaust air, and the exhaust air is the air exhausted from the hood 1. For example, the exhaust holes may be provided as grid holes. Specifically, the heat dissipating device includes a radiator 2, an exhaust passage 3, and a fan 4.

Wherein the radiator 2 is disposed inside the hood 1, and the air outlet side 202 of the radiator 2 is opposite to the air outlet hole of the hood 1. Alternatively, the radiator 2 may comprise a heat exchanger for cooling the hydraulic oil or coolant of the work machine. Of course, the radiator 2 may also include a plurality of heat exchangers arranged in a vertically stacked or horizontally stacked manner, so as to simultaneously cool different heat exchange media.

One end of the air exhaust channel 3 is connected with the air outlet side 202 of the radiator 2, and the other end of the air exhaust channel 3 is used for extending towards the air exhaust hole, so that the air flow exhausted from the air outlet side 202 of the radiator 2 after passing through the radiator 2 can be guided to the air exhaust hole of the hood 1 by the air exhaust channel 3. Alternatively, the exhaust duct 3 may be a cylindrical structure or a tubular structure.

The fan 4 is connected with the radiator 2, i.e. the fan 4 is mounted on the radiator 2. The fan 4 is used for driving air flow to run along the air inlet side 201 to the air outlet side 202 of the radiator 2, i.e. the radiator 2 is arranged on the driving air flow path of the fan 4. The air flow through the radiator 2 serves to remove heat from the radiator 2.

In the heat dissipating device provided in the embodiment of the utility model, under the action of the fan 4, air flows enter from the air inlet side 201 of the radiator 2, flows through the radiator 2 and absorbs heat of the radiator 2 to be warmed up into high-temperature air flow. The high-temperature air flow enters the exhaust channel 3 from the air outlet side 202 of the radiator 2, and the exhaust channel 3 extends towards the exhaust hole of the hood 1, so that the high-temperature air flow runs to the exhaust hole under the flow guiding effect of the exhaust channel 3 and is exhausted from the exhaust hole.

So set up, through set up exhaust channel 3 between the exhaust hole of radiator 2 and aircraft bonnet 1, make exhaust channel 3 can carry out mass flow and direction to the high-temperature air current of following the air-out side 202 exhaust of radiator 2, directly lead high-temperature air current to exhaust hole discharge, reduce the problem that high-temperature air current is directly to the aircraft bonnet 1 internal dissipation from the air-out side 202 of radiator 2, thereby reduce the production of thermal reflux problem, avoid the internal temperature of aircraft bonnet 1 too high, and then improve the radiating efficiency of radiator 2, reduce the consumption of operating machine.

In some embodiments provided by the present utility model, the vent channel 3 comprises at least two splice plates 301. At least two splice plates 301 are sequentially arranged along the circumferential direction of the air outlet side 202 of the radiator 2, and the at least two splice plates 301 are spliced to form a cylindrical structure or a tubular structure. The circumferential direction of the air outlet side 202 of the radiator 2 means that the air outlet side 202 of the radiator 2 is a four-sided edge. When installing heat abstractor, the space that can supply the operation is comparatively narrow, and heat abstractor in this embodiment, after radiator 2 installs in place, can install splice plate 301 in proper order again and splice and form barrel structure or tubular structure, so, splice plate 301 is littleer for the volume of exhaust channel 3, can reduce the interference problem that produces in the installation, more be convenient for install the operation to reduce the installation degree of difficulty.

For example, as shown in fig. 2, the exhaust duct 3 includes four splice plates 301, and the four splice plates 301 are spliced to form a quadrangular cylindrical body or tube.

In some embodiments provided by the present utility model, adjacent splice plates 301 are detachably connected. So set up, dismantle the in-process of passageway 3 of airing exhaust, can adopt the mode of dismantling every splice plate 301 in proper order to dismantle, avoid adopting the interference problem that wholly dismantle easy production to passageway 3 of airing exhaust, reduce the dismantlement degree of difficulty.

Referring to FIG. 2, alternatively, the splice plates 301 may be screwed together. Specifically, referring to fig. 2, one of any adjacent two splice plates 301 is provided with a bent portion, the bent portion is lap-jointed to the outer side of the adjacent splice plate 301, and a screw passes through the bent portion and is screw-connected to the splice plate 301 lap-jointed to the bent portion. So set up, can twist the screw in the outside of exhaust channel 3 to accomplish the installation and the dismantlement to exhaust channel 3, the operation is more convenient.

Referring to fig. 2, at least one of a groove and a through groove may be provided in the splice plate 301, and the groove or the through groove may be provided in the splice plate 301 to avoid interference with components in the work machine.

In some embodiments provided by the present utility model, at least one splice plate 301 is removably connected to the heat sink 2. So set up, be convenient for connect and dismantle exhaust channel 3 with radiator 2.

Alternatively, the splice plate 301 is screwed with the heat sink 2. Specifically, the splice plate 301 is bent to form a flange at the end connected to the heat sink 2, and the flange is provided with a through hole through which a screw passes, and the screw passes through the through hole and is in threaded connection with the heat sink 2. So arranged, the connection structure of the splice plate 301 and the radiator 2 is simple. As shown in fig. 2, the flange may be provided on the inner side of the splice plate 301 or on the outer side of the splice plate 301. The inner side of the splice plate 301 refers to the side of the splice plate 301 close to the inside of the air discharge duct 3, and the outer side of the splice plate 301 refers to the side of the splice plate 301 away from the inside of the air discharge duct 3.

In some embodiments provided herein, the heat sink further comprises a seal. The end of the exhaust channel 3 remote from the radiator 2 is provided with a sealing element. For example, the seal may be a sealing strip, such as a keel strip. By arranging the sealing member at one end of the exhaust passage 3 far away from the radiator 2, the sealing member is elastic, so that the interference problem between the exhaust passage 3 and the hood 1 can be reduced, and the direct contact between the exhaust passage 3 and the hood 1 is avoided, thereby preventing the abnormal sound generated by the impact or friction of the exhaust passage 3 and the hood 1 in the vibration process. In addition, can improve the leakproofness between exhaust channel 3 and the aircraft bonnet 1, reduce the leakage of high-temperature air current between exhaust channel 3 and aircraft bonnet 1 for high-temperature air current can follow the exhaust vent and discharge, further reduces the problem of hot-blast backward flow.

In some embodiments provided by the present utility model, the radiator 2 arrangement further comprises a wind collecting housing 5. The wind collecting cover 5 is connected with the air inlet side 201 of the radiator 2, and an air inlet 501 is arranged on the wind collecting cover 5. The fan 4 is disposed on the air inlet side 201 of the radiator 2 and opposite to the air inlet 501, i.e. the fan 4 is an air supply fan.

Through setting up fan 4 at the air inlet side 201 of radiator 2, can avoid the high temperature air current that forms after radiator 2 to flow through fan 4 for the operational environment temperature of fan 4 can not be too high, thereby guarantee the performance of fan 4, extension fan 4's life. Through setting up collection fan housing 5 to set up fan 4 in collection fan housing 5's air intake 501 department, make the air current that fan 4 produced enter into radiator 2 completely under collection fan housing 5's the effect of gathering, avoid the air current loss unable problem of entering into radiator 2 completely, improve fan 4 to the cooling efficiency of radiator 2.

Alternatively, the fan 4 is connected to the wind collecting housing 5, i.e. the fan 4 is mounted on the radiator 2 through the wind collecting housing 5. The fan 4 is convenient to mount and dismount.

Optionally, the wind collecting housing 5 is detachably connected with the radiator 2. In this way, the wind collecting housing 5 is convenient to disassemble, so that the radiator 2 is repaired or maintained. Optionally, the wind collecting cover 5 is connected with the radiator 2 through screws. For example, the edge of the end of the wind collecting cover 5 connected with the radiator 2 is bent outwards to form a turned edge, the turned edge is provided with a through hole for a screw to pass through, and the screw passes through the turned edge of the wind collecting cover 5 and is connected with the radiator 2 in a threaded manner. So set up, the connection structure of collection fan housing 5 and radiator 2 is simple.

In some embodiments provided by the present utility model, at least two air inlets 501 of the fan 4 and the air collecting cover 5 are provided, and each air inlet 501 is provided with a corresponding fan 4, for example, the air inlets 501 are in a one-to-one correspondence with the fans 4. The problem that the air flow is concentrated through a certain area of the radiator 2 can be avoided by arranging at least two fans 4, so that each area of the radiator 2 can be provided with the air flow to pass through, and the radiating effect of the radiator 2 is improved. For example, as shown in fig. 4, there are four examples of the blower 4.

In some embodiments provided by the present utility model, the heat sink further comprises a baffle 6. The partition plate 6 is disposed inside the wind collecting housing 5 and connected to the wind collecting housing 5. The partition plate 6 divides the interior of the wind collecting cover 5 into at least two air inlet channels, and each air inlet channel is provided with a corresponding air inlet 501. So set up, lead and distribute the air inlet through two at least air inlet channel, can make every region of radiator 2 all have the air current to pass through, avoid the inhomogeneous problem of blowing, improve the radiating efficiency of radiator 2.

In some embodiments of the present utility model, the heat sink further comprises a filter. The air intake 501 of the air collection hood 5 is provided with a filter element, and further, in the running direction of the air flow, the filter element is arranged upstream of the fan 4. Through setting up the filter, can filter the impurity in the air current, avoid impurity to adhere to on the radiator 2, influence the problem of the heat transfer effect of radiator 2 to and avoid impurity to enter into fan 4 and cause the damage to fan 4, influence fan 4 life's problem.

Alternatively, the filter element may be a filter mesh or a filter plate. Optionally, the filter element is connected to the wind collecting housing 5. For example, the filter may be connected to the wind collecting cap 5 by screws.

The embodiment of the utility model also provides a working machine.

Specifically, the work machine includes the hood 1 and the heat dissipating device as described above.

It should be noted that the working machine includes the heat dissipating device, and all advantages of the heat dissipating device are also included, which is not described herein.

Further, work machines include, but are not limited to, loaders, excavators, and cranes, and further, the work machines may be either fuel-fired machines or electric machines.

In some embodiments provided by the utility model, the exhaust hole of the hood 1 may be provided on a side door of the hood 1, so as to facilitate the maintenance and repair of the heat-radiating device by opening the side.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A heat dissipating device for use in opposition to an exhaust port through which a hood (1) is exhausted, comprising:

a radiator (2) arranged on the inner side of the hood (1), and the air outlet side (202) of the radiator (2) is opposite to the exhaust hole;

one end of the air exhaust channel (3) is connected with the air outlet side (202) of the radiator (2), and the other end of the air exhaust channel (3) is used for extending towards the air exhaust hole;

the fan (4) is connected with the radiator (2), and the fan (4) is used for driving airflow to run along the air inlet side (201) to the air outlet side (202) of the radiator (2).

2. The heat dissipating device according to claim 1, wherein the air discharge channel (3) comprises at least two splice plates (301), the at least two splice plates (301) are sequentially arranged along the circumferential direction of the air outlet side (202) of the heat sink (2), and the at least two splice plates (301) are spliced to form a cylindrical structure or a tubular structure.

3. The heat sink according to claim 2, characterized in that at least one of the splice plates (301) is detachably connected to the heat sink (2).

4. A heat sink according to claim 2, characterized in that two adjacent splice plates (301) are detachably connected.

5. The heat sink according to claim 1, further comprising a seal, which is provided at an end of the air discharge channel (3) remote from the heat sink (2).

6. The heat dissipating device according to any of claims 1-5, further comprising a wind collecting hood (5), wherein the wind collecting hood (5) is connected to the air inlet side (201) of the heat sink (2), an air inlet (501) is provided in the wind collecting hood (5), and the fan (4) is provided on the air inlet side (201) of the heat sink (2) and opposite to the air inlet (501).

7. The heat dissipation device according to claim 6, wherein at least two air inlets (501) and two fans (4) are provided, and each air inlet (501) is provided with a corresponding fan (4).

8. The heat dissipating device according to claim 7, further comprising a partition plate (6), wherein the partition plate (6) is disposed inside the wind collecting housing (5) and connected to the wind collecting housing (5), and the partition plate (6) partitions the inside of the wind collecting housing (5) into at least two air inlet channels, each of which is provided with a corresponding air inlet (501).

9. A heat sink according to claim 6, characterised in that the wind collecting hood (5) is detachably connected to the heat sink (2);

and/or, the heat dissipation device further comprises a filter element, and the air inlet (501) is provided with the filter element.

10. A working machine, characterized by comprising a hood (1) and a heat sink according to any one of claims 1-9.