Temperature control oil source

Abstract

The utility model discloses a kind of temperature control oil sources in the technical field of hydraulic oil supply, to solve the problem of single cooling mode of oil source in prior art, which leads to actual oil supply temperature is not ideal. It includes mounting bracket, main pump, oil tank, water-cooled tank, air bellow and motor for driving main pump work are arranged on mounting bracket, the liquid inlet end of main pump is communicated with oil tank, the liquid outlet end of main pump is communicated with valve group, outlet and return port are arranged on valve group, water-cooled tank includes tube pass and shell pass, heat exchange coil pipe is arranged in air bellow, the liquid inlet of tube pass and the outlet of valve group are communicated, the liquid outlet of tube pass and the liquid inlet of heat exchange coil pipe inside air bellow are communicated. The utility model is used for oil supply work in various hydraulic environments, can be selectively cooled configuration to cope with a variety of different working conditions, can provide more forms of cooling mode to make it according to environment automatic cooling, it is beneficial to ensure the continuity of oil source system work.

Description

Technical Field

[0001] This utility model relates to a temperature-controlled oil source, belonging to the field of hydraulic oil supply technology. Background Technology

[0002] The oil source, also known as a hydraulic pump station or hydraulic power unit, primarily ensures the normal operation of various operating systems by supplying hydraulic oil. When using the oil source, the temperature of the supplied oil medium must be strictly monitored. Excessively low temperatures increase the viscosity of the oil medium, making it difficult for the pump to draw oil and increasing the overall system resistance and power consumption. Conversely, excessively high temperatures result in a low viscosity coefficient of the oil medium, making it prone to oxidation and deterioration, as well as lubrication failure, leading to increased system temperature and malfunction. In most operations, the oil medium flows back to the oil tank after operation, and the return oil temperature is usually quite high. Therefore, controlling the temperature of the oil source to improve the system to its optimal operating state is particularly necessary. Traditional cooling methods, such as natural cooling or air cooling, are not only relatively simple but also lack selective control over the cooling effect, meaning the actual cooling capacity may not meet the equipment's operating requirements, ultimately affecting the continuous operation of the equipment. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a temperature-controlled oil source for oil supply in various hydraulic environments. It can selectively cool down the oil source to meet various working conditions and provide more cooling methods to automatically cool down the oil source according to the environment, which helps to ensure the continuous operation of the oil source system.

[0004] To achieve the above objectives, this utility model employs the following technical solution: On one hand, the present invention provides a temperature-controlled oil source, including a mounting bracket, on which a main pump, an oil tank, a water-cooled box, a blower box, and a motor for driving the main pump are mounted. The inlet of the main pump is connected to the oil tank, and the outlet of the main pump is connected to a valve group. The valve group is provided with an outlet and a return port. The water-cooled box includes a tube side and a shell side. The blower box contains a heat exchange coil. The inlet of the tube side is connected to the outlet of the valve group, and the outlet of the tube side is connected to the inlet of the heat exchange coil inside the blower box. The outlet of the heat exchange coil is connected to the upper end of the oil tank. The shell side of the water-cooled box is filled with coolant. An air vent is provided on one side of the blower box, and a fan is provided at the air vent to blow air towards the heat exchange coil.

[0005] Specifically, the oil tank is equipped with a level gauge for detecting the internal oil level, and a temperature sensor for detecting the internal temperature.

[0006] Specifically, a high-pressure filter is connected to the inlet pipeline where the valve assembly is located.

[0007] Specifically, accumulators are connected to both the inlet and outlet pipelines where the valve assembly is located.

[0008] Specifically, a thermal resistance wire heating assembly is installed at the air source location inside the air box.

[0009] Specifically, the oil tank is equipped with an air filter and an oil return filter, and the oil return filter is connected to the liquid outlet of the heat exchange coil.

[0010] Specifically, the shell side of the water-cooled box is provided with two connecting pipes, and the two connecting pipes are connected to the cooling water source through a circulating pump.

[0011] Specifically, the oil tank is also equipped with an overflow return port, and the outlet of the overflow return port is connected to the return oil filter.

[0012] Specifically, the fuel tank is equipped with an observation tube arranged along the numerical direction. The upper end of the observation tube is connected to the air layer inside the fuel tank, and the lower end of the observation tube is connected to the oil layer below the fuel tank.

[0013] Specifically, the valve assembly is also provided with a throttling passage, and a throttling pipe is installed on the throttling passage and connected to the oil tank.

[0014] Compared with the prior art, the beneficial effects achieved by this utility model are as follows: This invention, by configuring a water-cooled box and a blower in the working oil return system of the oil source, allows for selective selection of the cooling method based on the actual temperature of the oil source. This avoids the oil source temperature from failing to decrease in time and also prevents the oil source temperature from becoming too low due to cooling. It also facilitates the selection of the optimal cooling method based on actual working conditions to reduce energy consumption, thereby saving operating costs while ensuring the service life of the oil source and continuous long-term operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the temperature-controlled oil source provided in this embodiment of the utility model; Figure 2 This is a utility model Figure 1 An enlarged view of the structure at point A of the temperature-controlled oil source provided in the embodiment; Figure 3 This is a front view of the temperature-controlled oil source provided in this embodiment of the utility model; Figure 4 This is another schematic diagram of the temperature-controlled oil source provided in this embodiment of the utility model; Figure 5 This is a rear view of the temperature-controlled oil source provided in this embodiment of the utility model; Attached reference numerals: 1. Mounting bracket; 2. Motor; 3. Main pump; 4. Valve assembly; 5. Oil tank; 6. Water-cooled box; 7. Connecting pipe; 8. Air box; 9. Air filter element; 10. Return oil filter; 11. Overflow return oil port; 12. High-pressure filter; 13. Accumulator; 14. Observation pipe; 15. Throttling pipe; 16. Vibration damping pad; 17. Level gauge. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0017] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element 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 utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example:

[0019] This utility model provides a temperature-controlled oil source that can selectively cool down various working conditions. It offers more cooling methods to automatically cool down according to the environment, ensuring continuous operation of the oil source system. To achieve the device's structural functions, it includes a mounting bracket 1. Specifically, the mounting bracket 1 houses a main pump 3, an oil tank 5, a water-cooled box 6, a blower box 8, and a motor 2 for driving the main pump 3. The inlet of the main pump 3 is connected to the oil tank 5 to draw oil from the bottom of the tank. The outlet of the main pump 3 is connected to a valve group 4, which controls the flow direction and flow rate of the liquid. The system is controlled by a valve assembly 4, which has an outlet and a return port for supplying hydraulic oil to the operating system and recovering hydraulic oil, respectively. To prevent the recovered oil from entering the oil tank 5 due to excessive temperature, a water-cooled box 6 is configured, including a tube side and a shell side (i.e., heat exchange tubes are installed inside a hollow shell, and the shell is filled with coolant for heat exchange between the heat exchange tubes). Simultaneously, a heat exchange coil is installed inside the air box 8. The shape and arrangement of the heat exchange coil can be spiral-shaped. In this case, the inlet of the tube side is connected to the outlet of the valve assembly 4, meaning that the oil medium can first pass through the tube side during return flow, and then the outlet of the tube side is connected to the inlet of the heat exchange coil inside the air box 8 (e.g., ...). Figure 1 The oil medium is connected to the heat exchange coil (via connecting pipe 7), meaning the oil medium ultimately flows back to the oil tank 5 through the heat exchange coil. At this time, the outlet of the heat exchange coil is connected to the upper end of the oil tank 5 so that the return oil can enter the interior of the oil tank 5 from the top. The shell side of the water-cooled box 6 is filled with coolant, which can be ethylene glycol or other solutions, and is not limited here. An air vent is provided on one side of the air box 8, and a fan is provided at the air vent to blow the air source towards the heat exchange coil. That is, the liquid passing through the water-cooled box 6 can undergo secondary heat exchange and cooling through the heat exchange coil of the air box 8. For the real-time cooling of the oil tank 5, water cooling or air cooling can be selectively configured. When the temperature is still high, water cooling and air cooling can be turned on at the same time, thus providing more reasonable choices for the cooling method and avoiding the situation where the oil medium temperature is too low due to excessive cooling, which helps to ensure that the cooling oil in the oil tank 5 is in the optimal working state. To prevent insufficient oil supply to oil tank 5, a level gauge 17 is installed on oil tank 5 to detect the internal oil level. Simultaneously, a temperature sensor is installed on oil tank 5 to detect the internal temperature of the medium. By monitoring the temperature in real time, the optimal cooling method is selected to ensure that the oil medium in oil tank 5 can quickly reach the ideal temperature range (typically 30℃-55℃) after oil return. To reduce operating vibration, a vibration damping pad 16 can be installed below motor 2 to reduce operating vibration and noise.

[0020] This utility model provides a temperature-controlled oil source. To prevent excessive impurities in the oil circuit from causing blockages in the working system, a high-pressure filter 12 is connected to the inlet pipe where the valve group 4 is located. The pressure filtration effect is used to improve the filtration level, thereby helping to reduce tiny impurities in the oil source system and ensuring the smooth operation of the system.

[0021] The present invention provides a temperature-controlled oil source. Since the hydraulic pump has inherent pulsation in its flow output, the valve will suddenly close or reverse and cause hydraulic shock. In order to protect the system pipelines and components and make the system run more smoothly and with less noise, an accumulator 13 can be connected to both the inlet pipeline and the outlet pipeline where the valve group 4 is located.

[0022] The present invention provides a temperature-controlled oil source. In some embodiments, if the temperature in the oil tank 5 is too low, the refrigeration component can be shut off in time, and the temperature can be increased by the return of the oil medium. If the temperature of the return oil medium is insufficient, a thermal resistance wire heating component can be installed at the air source position in the air box 8. Hot air is blown into the heat exchange coil to heat the return oil, thereby increasing the oil supply temperature so that the final oil supply temperature is within a suitable range.

[0023] This utility model provides a temperature-controlled oil source. To prevent the oil circuit of the working system and air impurities from entering the oil tank 5 and causing internal contamination, an air filter element 9 and a return oil filter 10 can be installed on the oil tank 5. The return oil filter 10 can be configured to be connected to the liquid outlet of the heat exchange coil. In some other embodiments, an overflow return oil port 11 can also be connected to the oil tank 5. The overflow return oil port 11 is controlled by the system's overflow valve to ensure that the system's oil supply pressure is appropriate. In this case, the oil outlet of the overflow return oil port 11 can preferably be configured to be connected to the return oil filter 10 (not shown in the figure), or a corresponding return oil filter 10 can be configured separately to avoid the introduction of impurities.

[0024] In some embodiments of the present invention, a temperature-controlled oil source is provided. In order to ensure that the coolant in the water-cooled box 6 is at a low temperature to ensure efficient heat exchange, two connecting pipes can be provided on the shell side of the water-cooled box 6. Specifically, the two connecting pipes can be connected to the cooling water source through a circulating pump. The cooling water source can be refrigerated by a corresponding cooling mechanism, such as a chiller or a semiconductor cooling chip. The specific structure is not limited here.

[0025] This utility model provides a temperature-controlled oil source. To facilitate manual and intuitive detection of the viscosity of the oil medium, an observation tube 14 can be provided on the oil tank 5 along the numerical direction. The upper end of the observation tube 14 is connected to the air layer inside the oil tank 5, and the lower end of the observation tube 14 is connected to the oil layer below the oil tank 5. The inner diameter of the observation tube 14 is preferably between 2-4 mm. By configuring the observation tube 14, the height change of the oil medium in the observation tube 14 can be detected when the liquid level in the oil tank 5 changes. If the viscosity is too high, there will be a certain deviation between the oil level in the observation tube 14 and the oil level in the oil tank 5. The higher the viscosity, the greater this deviation. This makes it convenient for manual and intuitive judgment of the state of the oil source and whether it needs to be replaced. (To facilitate the observation of the oil level in the oil tank 5, a corresponding observation window should also be provided on the oil tank 5. Glass is preferred. Other observation methods are not limited here.)

[0026] The present invention provides a temperature-controlled oil source. In order to avoid the system oil flow rate being too fast, a throttling passage is also provided on the valve group 4. Specifically, a throttling pipe 15 is installed on the throttling passage and connected to the oil tank 5 so that the oil can be returned when the system flow rate is too fast, thereby controlling the oil port flow.

[0027] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A temperature-controlled oil source, characterized in that, The system includes a mounting bracket (1), on which a main pump (3), an oil tank (5), a water-cooled box (6), a blower box (8), and a motor (2) for driving the main pump (3) are mounted. The inlet of the main pump (3) is connected to the oil tank (5), and the outlet of the main pump (3) is connected to a valve group (4). The valve group (4) is provided with an outlet and a return port. The water-cooled box (6) includes a tube side and a shell side. The blower box (8) is provided with a heat exchange coil. The inlet of the tube side is connected to the outlet of the valve group (4), and the outlet of the tube side is connected to the inlet of the heat exchange coil inside the blower box (8). The outlet of the heat exchange coil is connected to the upper end of the oil tank (5). The shell side of the water-cooled box (6) is filled with coolant. A vent is provided on one side of the blower box (8), and a fan is provided at the vent to blow air towards the heat exchange coil.

2. The temperature-controlled oil source according to claim 1, characterized in that, The oil tank (5) is equipped with a level gauge (17) for detecting the internal oil level, and the oil tank (5) is also equipped with a temperature sensor for detecting the internal temperature.

3. The temperature-controlled oil source according to claim 1, characterized in that, A high-pressure filter (12) is connected to the inlet pipeline where the valve group (4) is located.

4. The temperature-controlled oil source according to claim 1, characterized in that, An accumulator (13) is connected to both the inlet and outlet pipes of the valve group (4).

5. The temperature-controlled oil source according to claim 1, characterized in that, A thermal resistance wire heating assembly is installed at the air source position inside the air box (8).

6. The temperature-controlled oil source according to claim 1, characterized in that, The oil tank (5) is equipped with an air filter (9) and an oil return filter (10), and the oil return filter (10) is connected to the liquid outlet end of the heat exchange coil.

7. The temperature-controlled oil source according to claim 1, characterized in that, The shell side of the water-cooled box (6) is provided with two connecting pipes, and the two connecting pipes are connected to the cooling water source through a circulating pump.

8. A temperature-controlled oil source according to claim 6, characterized in that, An overflow return port (11) is also connected to the oil tank (5), and the oil outlet of the overflow return port (11) is connected to the return oil filter (10).

9. A temperature-controlled oil source according to claim 1, characterized in that, The oil tank (5) is provided with an observation tube (14) arranged along the numerical direction. The upper end of the observation tube (14) is connected to the air layer inside the oil tank (5), and the lower end of the observation tube (14) is connected to the oil layer below the oil tank (5).

10. A temperature-controlled oil source according to claim 1, characterized in that, The valve group (4) is also provided with a throttling passage, and a throttling pipe (15) is installed on the throttling passage and connected to the oil tank (5).

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