CN113847288A

CN113847288A - Heat dissipation hydraulic oil tank suitable for high temperature working condition

Info

Publication number: CN113847288A
Application number: CN202111241669.6A
Authority: CN
Inventors: 孙艳; 刘伟善; 刘尔方; 许海烽; 徐冰
Original assignee: Jiangsu Yaokun Hydraulic Co Ltd
Current assignee: Jiangsu Yaokun Hydraulic Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2021-12-28

Abstract

The invention relates to a heat dissipation hydraulic oil tank suitable for a high-temperature working condition, which comprises a tank body, wherein at least one surface of the tank body is provided with a heat dissipation piece, the structure of the heat dissipation piece comprises a plurality of heat dissipation pieces which are arranged in parallel at intervals, and a longitudinal air channel is formed between every two adjacent heat dissipation pieces; radiating holes are uniformly distributed on the radiating fins, and the positions of the radiating holes on adjacent radiating fins correspond to one another one by one to form a plurality of transverse air channels perpendicular to the longitudinal air channels. The radiating fin is provided with the longitudinal air duct and the transverse air duct, so that transverse and longitudinal flow guiding of air flow is realized respectively, the flow area of the air flow on the surface of the box body is increased, the radiating fin is particularly suitable for being used in a use environment with good ventilation effect and frequent air flow on the surface of the box body, active or passive air cooling is facilitated, and the radiating efficiency is improved.

Description

Heat dissipation hydraulic oil tank suitable for high temperature working condition

Technical Field

The invention relates to the technical field of hydraulic oil tank heat dissipation, in particular to a heat dissipation hydraulic oil tank suitable for high-temperature working conditions.

Background

When the hydraulic system works, hydraulic oil in the hydraulic oil tank flows out from the oil outlet to the front end driving part, and returns to the oil tank through the oil return port after normal work to form a circulation loop. The heat generated during normal work increases the temperature and reduces the viscosity of the hydraulic oil, the compression ratio of the hydraulic system is reduced, the output pressure is reduced, the power of a front-end driving part is increased, and the overload risk is caused; in addition, the oxidation of hydraulic oil is intensified by high temperature, and the oil product is invalid.

In the prior art, the heat dissipation measures for the hydraulic oil tank mainly include: firstly, an oil way in a hydraulic oil tank is improved, and the purpose of heat dissipation is achieved by increasing the flow area of hydraulic oil; and secondly, a cooling fan is added to cool the oil pipe by air cooling. The oil line structure needs to be changed, and the oil pressure stability control is easily influenced; the fan has limited passive heat dissipation effect, is not suitable for high-temperature working conditions, and has high noise and high energy consumption during operation.

Disclosure of Invention

The invention provides a heat dissipation hydraulic oil tank suitable for high-temperature working conditions, and aims to enhance the air cooling heat dissipation effect on the surface of the oil tank and control the temperature of hydraulic oil within a reasonable range.

The technical scheme adopted by the invention is as follows:

a heat dissipation hydraulic oil tank suitable for high-temperature working conditions comprises a tank body, wherein heat dissipation pieces are arranged on at least one surface of the tank body, the structure of each heat dissipation piece comprises a plurality of heat dissipation pieces which are arranged in parallel at intervals, and a longitudinal air channel is formed between every two adjacent heat dissipation pieces; radiating holes are uniformly distributed on the radiating fins, and the positions of the radiating holes on adjacent radiating fins correspond to one another one by one to form a plurality of transverse air channels perpendicular to the longitudinal air channels.

The further technical scheme is as follows:

the section of each radiating fin is T-shaped, so that a flange extending towards the inner side of each air duct is formed at the top of each longitudinal air duct.

The radiating fins are arranged on the surfaces of the box body except the two side surfaces; the air guide piece is arranged at the connecting position of the top surface and the back surface of the box body, and an air distribution channel is formed between the inner surface of the air guide piece and the outer surface of the connecting position of the top surface and the back surface;

the air distribution channel is provided with a first outlet end and a second outlet end, the first outlet end is communicated with the longitudinal air duct inlets distributed on the top surface, and the second outlet end is communicated with the longitudinal air duct inlets distributed on the back surface; the inlet end of the air distribution channel is connected with the outlet end of the air supply device.

The top surface, the front surface and the longitudinal air ducts on the bottom surface of the box body are communicated in sequence.

The structure of the heat dissipation piece also comprises a heat dissipation disc, and the heat dissipation pieces are distributed around the heat dissipation disc; the inner surface of the heat dissipation disc is connected with the box body through a connecting piece, and a spacing area is formed between the surface of the box body and the inner surface of the heat dissipation disc;

the heat dissipation disc can shake, so that the airflow is disturbed in the interval area and flows out.

The inner surface of the heat dissipation disc is provided with a plurality of flow guide grooves which are distributed in a diverging manner by taking the circle center of the heat dissipation disc as the center;

the outlet position of the diversion trench corresponds to the inlet position of the air duct of the radiating fins around the radiating disc.

The heat dissipation disc is in an outward convex arc shape and made of soft materials, and can shake along with the vibration of the box body.

And the inner surface of the heat dissipation plate is provided with a vibrator.

The radiating fins are arranged on the other surfaces of the box body except the two side surfaces, and the longitudinal air channels of the radiating fins on the surfaces are sequentially communicated; the heat dissipation plate comprises at least two heat dissipation plates which are arranged in the middle of the front surface of the box body at intervals.

The heat radiating fins are provided on the remaining surfaces of the case except for the front surface and the top surface.

The invention has the following beneficial effects:

the radiating fin is provided with the longitudinal air duct and the transverse air duct, so that transverse and longitudinal flow guiding of air flow is realized respectively, the flow area of the air flow on the surface of the box body is increased, the radiating fin is particularly suitable for being used in a use environment with good ventilation effect and frequent air flow on the surface of the box body, active or passive air cooling is facilitated, and the radiating efficiency is improved.

The flange structure at the top end of the longitudinal air duct enhances the flow guiding effect, prevents air flow in the longitudinal air duct from flowing out from the top opening, is favorable for the air flow to flow roundly among the radiating fins, prolongs the path and the retention time of fluid, and further improves the radiating efficiency.

The longitudinal air channels of the radiating fins arranged on the adjacent surfaces of the box body are correspondingly communicated, so that the air can flow to the adjacent surfaces along the surfaces through the longitudinal air channels when air circulates on any surface, and the airflow circulation path is prolonged; utilize air supply arrangement to each vertical wind channel air supply on two adjacent surfaces, can satisfy and use under the environment that ventilation effect is not good, box surface air current flows less and the higher temperature operating mode.

The heat dissipation disc is simple in structure and reasonable in design, self-shaking deformation can be achieved through mechanical vibration of the box body, the air blowing effect is achieved, external energy consumption is not needed, a good natural air cooling heat dissipation effect can be achieved, noise is low, and energy consumption and cost are reduced.

Drawings

Fig. 1 is a schematic structural diagram of a heat sink according to the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a right side view of fig. 1.

Fig. 4 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.

FIG. 6 is a schematic view showing the structure of the blower and the upper part of the top surface of the cabinet shown in FIG. 5, after they are hidden.

Fig. 7 is a schematic structural view of an air guide in embodiment 2 of the present invention.

Fig. 8 is another view of fig. 6 (the back and bottom of the case are visible).

Fig. 9 is an enlarged view of a portion a in fig. 8.

Fig. 10 is a schematic structural diagram of embodiment 3 of the present invention.

Fig. 11 is a top view of fig. 10.

Fig. 12 is a schematic structural diagram of a first embodiment of a heat dissipation plate in embodiment 3 of the present invention.

Fig. 13 is a schematic structural diagram of a second embodiment of a heat dissipation plate in embodiment 3 of the present invention.

Fig. 14 is a schematic structural view of a third embodiment of a heat dissipation plate in embodiment 3 of the invention.

In the figure: 1. a heat sink; 2. heat dissipation holes; 3. a longitudinal air duct; 31. blocking edges; 4. a transverse air duct; 5. a front surface; 6. a top surface; 7. a back side; 8. a side surface; 9. a bottom surface; 10. an air guide member; 101. an inlet end; 102. a first outlet end; 103. a second outlet end; 104. a first mounting surface; 1041. an installation part; 105. a connecting surface; 106. a second mounting surface; 11. a heat dissipation plate; 12. a spacer region; 13. connecting columns; 14. a diversion trench; 15. a vibrator; 16. any surface of the box body; 17. an oil return port; 18. an oil outlet; 19. a top cover; 20. an air supply device.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Example 1

The heat dissipation hydraulic oil tank suitable for the high-temperature working condition comprises a tank body, wherein at least one surface of the tank body is provided with a heat dissipation part, and referring to fig. 1 to 3, the heat dissipation part structurally comprises a plurality of heat dissipation fins 1 arranged in parallel at intervals, and a longitudinal air channel 3 is formed between every two adjacent heat dissipation fins 1; radiating holes 2 are uniformly distributed on the radiating fins 1, and the positions of the radiating holes 2 on the adjacent radiating fins 1 correspond one to form a plurality of transverse air channels 4 vertical to the longitudinal air channels 3.

Specifically, the radiating fins 1 extend linearly along the surface of the box body, and the radiating holes 2 are uniformly arranged along the length direction of the radiating fins 1 and can be arranged into shapes such as round holes, square holes or waist-shaped holes.

On one hand, the radiating fin 1 increases the radiating area and improves the radiating effect; on the other hand, when wind flows in the use environment, the longitudinal air duct 3 and the transverse air duct 4 can guide the air flow to respectively flow along the longitudinal direction and the transverse direction, and the heat dissipation efficiency of the surface of the box body is further improved.

Preferably, the bottom end of the heat sink 1 is connected to any surface 16 of the box body, and the top end extends towards two sides, so that the cross section of the heat sink 1 is T-shaped, and the top of each longitudinal air duct 3 forms a rib 31 extending towards the inner side of the air duct.

In order to improve the heat dissipation effect, the heat dissipation plate 1 is set to be thinner according to the actual situation, and is inevitably damaged in the using process. Therefore, the rib structure can play a role in protection, and the stability and firmness of the structure of the radiating fin 1 are enhanced. And moreover, the flow guiding effect is enhanced by the rib structure, airflow in the longitudinal air duct 3 is prevented from flowing out from the top opening, the airflow is facilitated to flow roundly among the radiating fins 1, the path and the retention time of fluid are prolonged, and the radiating effect is enhanced.

Preferably, referring to fig. 4, the heat sink 1 is provided on the remaining surface of the case except for the front surface 5 and the top surface 6.

Specifically, according to the use environment and the installation requirements, the surfaces of the hydraulic oil tank which are exposed outside are usually the front surface 5 and the top surface 6, the back surface 7, the two side surfaces 8 and the bottom surface 9 (bearing surfaces) are hidden surfaces, and in order to prevent the radiating fins 1 from being damaged, the radiating fins 1 are only arranged on the hidden surfaces, so that the radiating requirements can be met, and meanwhile, the appearance is attractive.

Specifically, the longitudinal air ducts of the back surface 7 and the bottom surface 9 are correspondingly communicated, so that when air circulates on any surface, air flow can flow from the surface to an adjacent surface through the longitudinal air ducts.

Specifically, the bottom surface 9 is supported by the mounting seat, and the radiating fins on the surface of the bottom surface are not in direct contact with the ground, so that the radiating fins are prevented from bearing and being damaged.

This embodiment 1 is particularly suitable for using in the environment of use that ventilation effect is better, box surface air current flow is more frequent, can produce better initiative radiating effect.

Example 2

The structure of the heat dissipation fins in this embodiment is the same as that in embodiment 1, except that the distribution positions of the heat dissipation fins and the adoption of the passive heat dissipation mechanism are suitable for being used in an environment with poor ventilation effect and less airflow on the surface of the box body and under a higher temperature working condition.

The specific scheme is as follows:

referring to fig. 5 and 6, the heat sink 1 is disposed on the remaining surfaces of the case except for the two side surfaces 8, including the front surface 5, the top surface 6, the back surface 7, and the bottom surface 9;

an air guide member 10 is arranged at the connecting position of the top surface 6 and the back surface 7 of the box body, an air distribution channel is formed between the inner surface of the air guide member 10 and the outer surface of the connecting position of the top surface 6 and the back surface 7, the air distribution channel is provided with a first outlet end 102 and a second outlet end 103, the first outlet end 102 is communicated with each longitudinal air channel inlet distributed on the top surface 6, and the second outlet end 103 is communicated with each longitudinal air channel inlet distributed on the back surface 7; the inlet end 101 of the air distribution channel is connected with the outlet end of the air supply device 20.

The blower 20 and the air guide 10 constitute the passive heat radiation mechanism described above.

Specifically, referring to fig. 7, the wind guide 10 is a bent plate member, and has a first mounting surface 104, a second mounting surface 106, and a connecting surface 105 connecting the two mounting surfaces.

When the mounting structure is mounted, the first mounting surface 104 is higher than the top surface 6, the first mounting surface 104 is connected to the top surface 6 through the mounting portion 1041 extending downward from the edge thereof, and the first outlet end 102 is formed between the lower surface of the first mounting surface 104 and the top surface 6. One end of the heat dissipation fins 1 arranged in a row on the top surface 6 is in edge joint with the first mounting surface 104, so that the first outlet end 102 is communicated with each longitudinal air duct formed between each heat dissipation fin 1.

Specifically, referring to fig. 8 and 9, in the same manner, during installation, both ends of the second installation surface 106 are respectively connected to the installation plates on both side surfaces 8 of the box body, a gap is formed between the second installation surface 106 and the back surface 7, and the second outlet port 103 is formed in the gap. One end of the heat dissipation fins 1 arranged in a row on the back surface 7 is butted with the edge of the second mounting surface 106, so that the second outlet end 103 is communicated with each longitudinal air duct formed between each heat dissipation fin 1. The air outlet direction is shown by arrows in fig. 8 and 9.

Preferably, the longitudinal ducts on the top 6, front 5 and bottom 9 surfaces of the box are in communication in sequence.

Specifically, the inlet end 101 of the air distribution channel is arranged on the first mounting surface 104, the air supply device 20 is a blower with appropriate power, and is mounted on the first mounting surface 104, when the box needs to be cooled and dissipated, the blower supplies air into the air distribution channel, the air flows are respectively blown out from the first outlet end 102 and the second outlet end 103, and flow on the surface of the box along the corresponding longitudinal air channels, and the flow direction of the air flow can be shown by the arrows in fig. 6.

Because the longitudinal air ducts on the surfaces are communicated with each other, the air conditioner has better flowing and heat dissipation effects.

Not generally, during the air flow process, due to the external air disturbance, part of the air flow can flow along the transverse air duct, and the transverse flow is not illustrated in the figure.

Example 3

The structure of the heat sink of this embodiment is the same as that of embodiment 1, and the arrangement form of the heat sink 1 is similar to that of embodiment 2, except that a passive heat dissipation mechanism having a structure different from that of embodiment 2 is adopted, so that the heat sink is also suitable for use in an environment with poor ventilation effect and less airflow on the surface of the box body, and under a higher temperature working condition.

The specific scheme is as follows:

referring to fig. 10 and 11, the heat sink 1 is disposed on the remaining surfaces of the case except for the two side surfaces 8, including the front surface 5, the top surface 6, the back surface 7, and the bottom surface 9;

wherein, the front surface 5 is also provided with a heat dissipation disc 11, and heat dissipation fins 1 are distributed around the heat dissipation disc; the heat dissipation disc 11 is used as the passive heat dissipation mechanism, the inner surface of the heat dissipation disc is connected with the box body through a connecting piece, and a spacing area 12 is formed between the surface of the box body and the inner surface of the heat dissipation disc 11;

the heat-dissipating disc 11 can be shaken (vibrated) to cause the air flow to be disturbed in the space area 12 and flow out in a direction as indicated by an arrow in fig. 10.

Preferably, as shown in fig. 12, the heat dissipating plate 11 has an overall convex arc shape with a large radius of curvature, similar to an umbrella shape or a mushroom shape. The heat dissipation plate 11 is made of a soft material, such as a non-metallic material or a metallic material that is easily vibrated and deformed, such as rubber and plastic. Can shake along with the mechanical vibration of the box body in the working process. Thereby effecting disturbance of the gas flow within the compartments 12.

The self vibration of the box body is utilized to enable the heat dissipation disc 11 to shake and deform, external energy consumption is not consumed, a good air exhaust effect can be achieved, and the heat dissipation efficiency is improved.

Specifically, as shown in fig. 13, the heat dissipation plate 11 is provided with four connecting columns 13 on the inner surface, and is correspondingly connected with mounting holes on the surface of the box body, and the detachable connection mode such as bolt connection is adopted, so that the maintenance and the replacement are convenient.

Not generally, the length of the connecting studs 13 determines the width of the spacer, i.e. the distance between the heat-dissipating disc 11 and the surface of the casing. The width of the spacer 12 can be adjusted by adjusting the length of the connection post 13.

Preferably, as shown in fig. 13, in order to promote the heat dissipation plate 11 to vibrate and deform, the vibrator 15 is disposed in the middle of the inner surface of the heat dissipation plate, so that the heat dissipation plate 11 can achieve a good vibrating and deforming effect even when the vibration amplitude of the box body is small, thereby enhancing the airflow disturbance in the spacer 12 and increasing the wind speed.

Preferably, as shown in fig. 14, the inner surface of the heat dissipation plate 11 is provided with a plurality of flow guide grooves 14, and the flow guide grooves 14 are distributed in a diverging manner with the center of the circle of the heat dissipation plate 11 as the center; the outlet position of the diversion trench 14 corresponds to the inlet position of the air channel of the heat sink 1 around the heat dissipation disc 11.

Specifically, the guiding groove 14 is spiral.

Preferably, the fins 1 are in serial communication with the longitudinal air channels of the fins 1 on each surface.

Specifically, the heat dissipation plate 11 includes at least two plates, and the plates are spaced apart from each other and disposed in the middle of the front surface 5 of the case.

The arrangement position and the size of the heat dissipation disc 11 can be reasonably designed according to actual conditions such as the size of the box body, heat dissipation requirements and the like.

This embodiment 3 utilizes heat dissipation dish 11 to play the blast air and increase fluid mobility's effect, has realized the cold radiating effect of natural wind, compares with equipment such as using cooling fan, and not only simple structure, noise are little, have reduced energy consumption and cost moreover.

In the above embodiments, the heat sink 1 may be continuously disposed along the corresponding surface, and disconnected at the surface other mounting component positions. For example, as shown in fig. 10, the surface of the tank body is generally provided with components such as an oil return port 17, an oil outlet port 18, and a top cover 19, at which the fins are broken to make the mounting position free. The components of the hydraulic oil tank and other structures which are not described are the prior art, and are not described again.

The foregoing is only a preferred embodiment of the present invention, it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The heat dissipation hydraulic oil tank suitable for the high-temperature working condition comprises a tank body and is characterized in that heat dissipation pieces are arranged on at least one surface of the tank body, the structure of each heat dissipation piece comprises a plurality of heat dissipation fins (1) which are arranged in parallel at intervals, and a longitudinal air channel is formed between every two adjacent heat dissipation fins (1); radiating holes (2) are uniformly distributed on the radiating fins (1), and the positions of the radiating holes (2) on the adjacent radiating fins (1) correspond to one another one by one to form a plurality of transverse air channels perpendicular to the longitudinal air channels.

2. The heat dissipation hydraulic oil tank suitable for the high-temperature working condition according to claim 1, wherein the section of the heat dissipation fin (1) is T-shaped, so that a rib (31) extending towards the inner side of each longitudinal air channel is formed at the top of each longitudinal air channel.

3. The hydraulic oil tank suitable for high-temperature working conditions is characterized in that the cooling fins (1) are arranged on the surfaces of the tank body except for two side surfaces (8); an air guide piece (10) is arranged at the joint of the top surface (6) and the back surface (7) of the box body, and an air distribution channel is formed between the inner surface of the air guide piece (10) and the outer surface of the joint of the top surface (6) and the back surface (7);

the air distribution channel is provided with a first outlet end (102) and a second outlet end (103), the first outlet end (102) is communicated with the longitudinal air duct inlets distributed on the top surface (6), and the second outlet end (103) is communicated with the longitudinal air duct inlets distributed on the back surface (7); the inlet end (101) of the air distribution channel is connected with the outlet end of the air supply device (20).

4. The heat dissipation hydraulic oil tank suitable for the high-temperature working condition according to claim 3, wherein the longitudinal air ducts on the top surface (6), the front surface (5) and the bottom surface (9) of the tank body are communicated in sequence.

5. The heat dissipation hydraulic oil tank suitable for the high-temperature working condition according to claim 2, wherein the structure of the heat dissipation member further comprises a heat dissipation disc (11), and the heat dissipation fins (1) are distributed around the heat dissipation disc (11);

the inner surface of the heat dissipation disc (11) is connected with the box body through a connecting piece, and a spacing area (12) is formed between the surface of the box body and the inner surface of the heat dissipation disc (11); the heat dissipation disc (11) can shake, so that the airflow is disturbed in the interval area (12) and flows out.

6. The heat dissipation hydraulic oil tank suitable for the high-temperature working condition according to claim 5, wherein the inner surface of the heat dissipation disc (11) is provided with a plurality of flow guide grooves (14), and the flow guide grooves (14) are distributed in a divergent manner by taking the circle center of the heat dissipation disc (11) as the center; the outlet position of the diversion trench (14) corresponds to the inlet position of the air duct of the radiating fins (1) around the radiating disc (11).

7. The heat dissipation hydraulic oil tank suitable for the high-temperature working condition according to claim 5, wherein the heat dissipation plate (11) is of an outward convex arc shape, is made of a soft material, and can shake along with vibration of the tank body.

8. The hydraulic oil tank suitable for the high-temperature working condition is characterized in that a vibrator (15) is mounted on the inner surface of the heat dissipation disc (11).

9. The hydraulic oil tank suitable for the high-temperature working condition according to one of claims 5 to 8, wherein the radiating fins (1) are arranged on the other surfaces of the tank body except for the two side surfaces (8), and the longitudinal air channels of the radiating fins (1) on each surface are communicated in sequence; the heat dissipation plates (11) comprise at least two heat dissipation plates which are arranged in the middle of the front surface (5) of the box body at intervals.

10. The hydraulic oil tank for dissipating heat under high temperature conditions according to claim 2, wherein the heat dissipating fins (1) are disposed on the remaining surface of the tank body except for the front surface (5) and the top surface (6).