A hydraulic system control cabinet

Abstract

The patent application belongs to the technical field of hydraulic oil pumping equipment, and particularly relates to a hydraulic system control cabinet, which comprises a cabinet body, a control electric box, an oil tank and a fan. The cabinet body is provided with an upper cavity and a lower cavity. The cabinet body is provided with an air inlet and an air outlet on opposite sides. The air inlet is located in the upper cavity, and the air outlet is located in the lower cavity. The fan and the control electric box are located on opposite sides of the upper cavity. The oil tank is located in the lower cavity. The hydraulic system control cabinet further comprises a heat dissipation box which is installed at the rear end of the fan. The airflow generated by the fan passes through the heat dissipation box and is blown out. The upper end of the oil tank is connected with a main pipeline. The main pipeline is connected with a branch pipeline which is controlled to be opened and closed by a valve. When the valve is opened, hydraulic oil can be transmitted through the branch pipeline and then flow back to the main pipeline. The branch pipeline passes through the heat dissipation box. Through reasonable position layout, the airflow sequentially flows through the branch pipeline, the upper surface of the oil tank and the control electric box, so that the airflow mainly performs heat dissipation on the hydraulic part. The airflow heat exchange area is reasonably distributed, so that the hydraulic part is not easy to overheat, and the overall service life is ensured.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic pumping equipment technology, specifically to a hydraulic system control cabinet. Background Technology

[0002] The control cabinet of a hydraulic pumping unit is responsible for precisely controlling the operation of the pumping unit to ensure its safe, efficient, and reliable operation. The control cabinet generally includes a motor, plunger pump, oil tank, oil pump pipeline, and control electrical box. When the hydraulic pumping unit is working, the above equipment will inevitably generate heat. The hydraulic oil in the oil tank and oil pump pipeline will decrease in viscosity and accelerate oxidation due to the increased temperature, which will affect the life of the equipment. Therefore, corresponding heat dissipation components are required.

[0003] Existing control cabinets generally only use fans to accelerate airflow within the cabinet, thereby improving heat dissipation. However, the addition of hydraulic components such as oil tanks and oil pump pipelines to the control cabinet increases the overall heat dissipation burden. Moreover, the heat dissipation requirements of the hydraulic components are relatively large, and they are more prone to overheating when the ambient temperature is high. Summary of the Invention

[0004] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a hydraulic system control cabinet, which, through a reasonable layout, allows airflow to mainly dissipate heat from the hydraulic parts, making the hydraulic parts less prone to overheating and ensuring the overall service life.

[0005] The technical solution adopted in this utility model is as follows: A hydraulic system control cabinet includes a cabinet body, a control box, an oil tank, and a fan. The cabinet body has an upper cavity and a lower cavity. An air inlet and an air outlet are respectively provided on opposite sides of the cabinet body. The air inlet is located in the upper cavity, and the air outlet is located in the lower cavity. The fan and the control box are respectively located on opposite sides of the upper cavity, and the oil tank is located in the lower cavity. It also includes a heat sink, which is installed at the rear end of the fan. The airflow generated by the fan blows out through the heat sink. The upper end of the oil tank is connected to a main pipeline, and the main pipeline is connected to a branch pipeline controlled by a valve. When the valve is open, the hydraulic oil can be transmitted through the branch pipeline and then flow back to the main pipeline. The branch pipeline passes through the heat sink.

[0006] Working principle: Due to the positional relationship between the air inlet and the air outlet, the airflow enters from the left side of the upper cavity, first entering the heat dissipation box to cool the hydraulic oil in the branch pipeline. The airflow passes through the heat dissipation box and enters the upper cavity. Due to the obstruction of the control box, the airflow moves downward and enters the lower cavity, flowing through the upper surface of the oil tank and the main pipeline. Finally, it passes between the control box and the oil tank and is discharged from the air outlet.

[0007] Compared with the prior art, the beneficial effects of this utility model are as follows: Through a reasonable layout, the airflow flows sequentially through branch pipes, the upper surface of the oil tank, and the control box, ensuring that the airflow primarily dissipates heat from the hydraulic components. This rational allocation of the airflow heat exchange area prevents the hydraulic components from overheating and guarantees the overall service life.

[0008] In a preferred embodiment of this utility model, the branch pipe includes a U-shaped pipe, with the two vertical parts of the U-shaped pipe located on the two side walls of the heat sink, and the bent part of the U-shaped pipe located at the bottom of the heat sink.

[0009] Beneficial effects: By setting up a U-shaped tube, the airflow entering the cabinet first contacts the side wall of the U-shaped tube, which increases the heat exchange area in the heat dissipation section and improves the heat dissipation efficiency of the hydraulic oil.

[0010] In a preferred embodiment of this utility model, the branch pipeline further includes an inlet pipe and an outlet pipe, which are respectively connected to both ends of the U-shaped pipe via adapters.

[0011] Beneficial effects: By setting up inlet and outlet pipes and connecting them to the U-shaped pipes through adapters, it is easier to disassemble and assemble than a single pipe passing through the heat exchange box. Moreover, this method allows the U-shaped pipe section to be made of materials with higher heat exchange efficiency.

[0012] In a preferred embodiment of this utility model, a plurality of heat-conducting plates are arranged horizontally inside the heat dissipation box, and the plurality of heat-conducting plates are arranged vertically between the U-shaped tubes.

[0013] Beneficial effects: By setting multiple heat-conducting fins, compared with heat exchange with air, the heat-conducting fins directly contact the U-shaped tube, resulting in faster heat exchange efficiency. The airflow in the heat dissipates heat from the heat-conducting fins, increasing the heat exchange area and improving the heat dissipation effect.

[0014] As a preferred embodiment of this utility model, it also includes a protective box, which is disposed outside the air inlet. The protective box has multiple rectangular openings on its outer side, and each rectangular opening has a rainproof plate on its outer side.

[0015] Beneficial effects: Since the control cabinet has certain waterproof and dustproof requirements, installing a rainproof plate can effectively reduce the ingress of rainwater and dust.

[0016] In a preferred embodiment of this utility model, the bottom of the protective box is provided with multiple drainage holes.

[0017] Beneficial effect: By setting up drainage holes, small amounts of liquid and dust can be discharged from the protective box.

[0018] In a preferred embodiment of this utility model, the protective box is provided with two sets of arc-shaped plates horizontally. Each set of arc-shaped plates consists of multiple arc-shaped plates arranged vertically. The two sets of arc-shaped plates face opposite directions and are staggered.

[0019] Beneficial effects: With multiple staggered curved panels, rainwater and dust entering the protective box are intercepted by the curved panels and slide down along the curved panels, further increasing the difficulty for rainwater and dust to enter the cabinet and improving the waterproof and dustproof effect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the hydraulic system control cabinet of this utility model when the cabinet is opened; Figure 2 This is a structural schematic diagram of the hydraulic system control cabinet embodiment of this utility model without front and rear cabinet doors; Figure 3 This is a cross-sectional view of the heat sink in an embodiment of the hydraulic system control cabinet of this utility model; Figure 4 This is a cross-sectional view of the protective box in an embodiment of the hydraulic system control cabinet of this utility model.

[0021] The attached diagram includes the following reference numerals: cabinet 1, upper cavity 11, lower cavity 12, air inlet 13, air outlet 14, control box 2, oil tank 3, main pipe 31, branch pipe 32, U-shaped pipe 321, inlet pipe 322, outlet pipe 323, fan 4, heat dissipation box 5, heat conduction plate 51, protective box 6, rainproof plate 61, drainage hole 62, and arc plate 63. Detailed Implementation

[0022] Typical embodiments embodying the features and advantages of this utility model will be specifically described in the following description. It should be understood that this utility model can have various variations in different embodiments, all of which do not depart from the scope of this utility model, and the descriptions and illustrations therein are for illustrative purposes only and not intended to limit this utility model.

[0023] In the description of this application, the terms "first", "second", etc. are used only for the convenience of describing this application and simplifying the description, and are not intended to indicate or imply that the structure referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0024] See Figure 1 and Figure 2 As shown, this embodiment discloses a hydraulic system control cabinet, including a cabinet body 1, a control box 2, an oil tank 3, a fan 4, a heat sink 5, and a protective box 6. The upper end of the oil tank 3 is connected to a main pipeline 31, and the main pipeline 31 is connected to a branch pipeline 32 for valve control. The branch pipeline 32 passes through the heat sink 5. When the valve is open, hydraulic oil can be transmitted through the branch pipeline 32 and then flow back to the main pipeline 31.

[0025] Among them, see Figure 1As shown, the cabinet 1 has an upper cavity 11 and a lower cavity 12. Air inlets 13 and outlets 14 are located on opposite sides of the cabinet 1. The air inlet 13 is located in the upper cavity 11, and the air outlet 14 is located in the lower cavity 12. The fan 4 and the control box 2 are located on opposite sides of the upper cavity 11, and the oil tank 3 is located in the lower cavity 12. The heat sink 5 is installed at the rear end of the fan 4. The airflow generated by the fan 4 passes through the heat sink 5 and is blown out. Due to the positional relationship between the air inlet 13 and the outlet 14, the airflow enters from the left side of the upper cavity 11, first entering the heat sink 5 to cool the hydraulic oil in the branch pipe 32. The airflow passes through the heat sink 5 and enters the upper cavity 11. Due to the obstruction of the control box 2, the airflow flows downwards into the lower cavity 12, flows through the upper surface of the oil tank 3 and the main pipe, and finally passes between the control box 2 and the oil tank 3, exiting from the outlet 14.

[0026] Among them, see Figure 3 As shown, the branch pipe 32 includes a U-shaped pipe 321, an inlet pipe 322, and an outlet pipe 323. The two vertical parts of the U-shaped pipe 321 are located on the two side walls of the heat dissipation box 5, and the bent part of the U-shaped pipe 321 is located at the bottom of the heat dissipation box 5. The inlet pipe 322 and the outlet pipe 323 are respectively connected to the two ends of the U-shaped pipe 321 through adapters. Multiple heat-conducting fins 51 are arranged horizontally inside the heat dissipation box 5 and vertically between the U-shaped pipes 321. By setting multiple heat-conducting fins 51, compared with heat exchange with air, the heat-conducting fins 51 are in direct contact with the U-shaped pipe 321, resulting in faster heat exchange efficiency. The airflow inside the heat dissipates heat from the heat-conducting fins 51, increasing the heat exchange area and improving the heat dissipation effect.

[0027] In this embodiment, the adapter is a compression fitting type pipe connector, one end of which is welded to the heat sink 5, and the other end is sealed by the deformation of the compression fitting. The U-shaped tube 321 is made of aluminum tube, and the heat-conducting plate 51 is made of aluminum plate. Although aluminum has poor resistance to deformation, the U-shaped tube 321 of this application is attached to the heat sink 5, and the tube body itself is limited by the heat sink 5, which ensures the pressure bearing capacity and improves the heat dissipation capacity.

[0028] Among them, see Figure 4As shown, the protective box 6 is located outside the air inlet 13. The protective box 6 has multiple rectangular openings on its outer side, and each rectangular opening has a rainproof plate 61 on its outer side. The bottom of the protective box 6 has multiple drainage holes 62. Inside the protective box 6, there are two sets of arc-shaped plates 63 arranged horizontally. Each set of arc-shaped plates 63 consists of multiple arc-shaped plates 63 arranged vertically. The two sets of arc-shaped plates 63 face opposite directions and are staggered. Through the staggered arc-shaped plates 63, rainwater and dust enter the protective box 6 and are blocked by the arc-shaped plate 63 on the left. Since the adjacent arc-shaped plates 63 form a flow channel, the airflow flows obliquely downward. When passing the arc-shaped plate 63 on the right, it flows obliquely upward. Dust and liquid are easily intercepted by the arc-shaped plates 63. There are gaps between the arc-shaped plates 63 on the left and right sides, allowing dust and liquid to slide down along the arc-shaped plates 63 and be discharged through the drainage holes 62. This further increases the difficulty for rainwater and dust to enter the cabinet 1 and improves the waterproof and dustproof effect.

[0029] The working principle of this embodiment is as follows: Fan 4 generates negative pressure, which draws in air through the rectangular opening of the protective box 6 to form an airflow. The airflow passes through the rainproof plate 61 and the arc plate 63 to reach the fan 4 (during this process, dust and rainwater are intercepted by the rainproof plate 61 and the arc plate 63 and discharged through the drain hole 62). Fan 4 sends airflow into heat sink 5. Since hydraulic oil flows in U-tube 321, the heat in the hydraulic oil is transferred to heat conduction plate 51 through U-tube. Heat exchange occurs between the U-tube 321 and the outer wall of heat conduction plate 51 and the airflow in heat sink 5, thus completing the priority heat dissipation of hydraulic pipeline. The airflow is blown out through the heat sink 5 and enters the upper cavity 11. Due to the obstruction of the control box 2, the airflow is directed downward and enters the lower cavity 12. It flows through the upper surface of the oil tank 3 and the main pipe, and finally passes between the control box 2 and the oil tank 3 and is discharged from the air outlet 14. The above settings rationally allocate the airflow heat exchange area, making it less likely for the hydraulic components to overheat and ensuring the overall service life.

[0030] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A hydraulic system control cabinet, comprising a cabinet body, a control electrical box, an oil tank, and a fan, characterized in that: The cabinet has an upper cavity and a lower cavity. An air inlet and an air outlet are respectively provided on opposite sides of the cabinet. The air inlet is located in the upper cavity and the air outlet is located in the lower cavity. The fan and the control box are respectively located on opposite sides of the upper cavity, and the oil tank is located in the lower cavity. It also includes a heat sink, which is installed at the rear end of the fan. The airflow generated by the fan blows out through the heat sink. The upper end of the oil tank is connected to a main pipeline, and the main pipeline is connected to a branch pipeline controlled by a valve. When the valve is open, the hydraulic oil can be transmitted through the branch pipeline and then flow back to the main pipeline. The branch pipeline passes through the heat sink.

2. The hydraulic system control cabinet according to claim 1, characterized in that: The branch pipe includes a U-shaped pipe, with the two vertical parts of the U-shaped pipe located on the two side walls of the heat sink, and the curved part of the U-shaped pipe located at the bottom of the heat sink.

3. The hydraulic system control cabinet according to claim 2, characterized in that: The branch pipeline also includes an inlet pipe and an outlet pipe, which are connected to both ends of the U-shaped pipe via adapters.

4. The hydraulic system control cabinet according to claim 3, characterized in that: The heat dissipation box contains multiple heat-conducting fins arranged horizontally, and these fins are vertically arranged between the U-shaped tubes.

5. The hydraulic system control cabinet according to claim 1, characterized in that: It also includes a protective box, which is located outside the air inlet. The protective box has multiple rectangular openings on its outside, and each rectangular opening has a rainproof plate on its outside.

6. The hydraulic system control cabinet according to claim 5, characterized in that: The bottom of the protective box is equipped with multiple drainage holes.

7. The hydraulic system control cabinet according to claim 5, characterized in that: The protective box has two sets of arc-shaped plates arranged horizontally inside. Each set of arc-shaped plates consists of multiple arc-shaped plates arranged vertically. The two sets of arc-shaped plates face opposite directions and are staggered.

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