Hydraulic oil radiator capable of being used in low-temperature environment

Abstract

A hydraulic oil radiator capable of being used in a low-temperature environment comprises a hydraulic oil radiator body, an oil temperature sensor and a controller, an angle-adjustable wind shielding device is arranged on one side of the hydraulic oil radiator body, and the oil temperature sensor is arranged in a hydraulic oil tank and connected to the input end of the controller. The output end of the controller is connected with the angle-adjustable wind shielding device; the angle-adjustable wind shielding device comprises a wind shielding plate and a motor, and the motor drives the wind shielding plate to rotate under the control of the controller. When the hydraulic oil radiator capable of being used in the low-temperature environment is used in the low-temperature environment, hot air passing through the radiator flows back to the front of the radiator by opening the radiator wind shield, the inlet air temperature is increased, the hydraulic oil temperature can be rapidly increased, and the machine warming time is shortened; the opening degree of the radiator wind shield is adjusted, and the hydraulic oil temperature is controlled quickly and efficiently.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery, in particular to a hydraulic oil radiator which can be used in a low-temperature environment. Background Art

[0002] Hydraulic oil is a hydraulic medium used in hydraulic systems that utilize liquid pressure energy. It plays the role of energy transmission, anti-wear, system lubrication, corrosion prevention, rust prevention, cooling, etc. in hydraulic systems. For hydraulic oil, first of all, it should meet the requirements of hydraulic device for liquid viscosity at working temperature and starting temperature. The viscosity of hydraulic oil is related to its temperature. However, the lower the temperature of hydraulic oil, the greater the viscosity of hydraulic oil, which will cause the working efficiency of the entire hydraulic system to decrease.

[0003] At present, the fans in the hydraulic oil radiator or cooling system installed on the hydraulic excavator are basically direct-connected fans, and the speed of direct-connected fans cannot change with the use environment. Therefore, in order to prevent the hydraulic oil from being overheated, more consideration is generally given to meeting the working conditions in high temperature environments during matching. However, this will greatly reduce the applicability of the hydraulic oil radiator in low temperature environments, and lead to a long warm-up time of the hydraulic oil in low temperature environments, and the hydraulic oil temperature is too low during operation, affecting work efficiency. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a hydraulic oil radiator which is convenient to use and has good effects and can be used in low temperature environments.

[0005] The utility model is realized by the following technical scheme: a hydraulic oil radiator that can be used in a low temperature environment, comprising a hydraulic oil radiator, one side of the hydraulic oil radiator is provided with an angle-adjustable windshield device, and also comprising an oil temperature sensor and a controller, the oil temperature sensor is arranged in a hydraulic oil tank, the oil temperature sensor is connected to the input end of the controller, and the output end of the controller is connected to the angle-adjustable windshield device;

[0006] The angle-adjustable windshield device comprises a windshield and a motor, and the motor drives the windshield to rotate under the control of a controller.

[0007] It is further provided that the angle-adjustable windshield device comprises a motor, a frame and a windshield plate, wherein the frame is fixed on one side of the hydraulic oil radiator, the windshield plate is arranged in the frame, the upper and lower ends of the windshield plate are provided with rotating shafts connected to the frame, and the motor is connected to the rotating shaft.

[0008] An angle sensor is arranged on the rotating shaft, and the angle sensor is connected with an input end of the controller.

[0009] The frame is installed parallel to the hydraulic oil radiator.

[0010] The shape of the wind deflector is similar to the inner frame of the frame.

[0011] The angle-adjustable windshield device is provided with a travel switch, and the travel switch is connected with the input end of the controller.

[0012] The utility model has the following advantages: the utility model can be used for the hydraulic oil radiator in the low temperature environment. When used in the low temperature environment, by opening the radiator wind shield, the hot air after passing through the radiator can flow back to the front of the radiator, thereby increasing the inlet air temperature, and can quickly increase the hydraulic oil temperature and reduce the warm-up time. At the same time, the controller controls the motor according to the hydraulic oil temperature and adjusts the opening of the radiator wind shield to realize the control of the hydraulic oil temperature quickly and efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0014] In the attached picture:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the principle of the utility model.

[0017] In the figure: 1. hydraulic oil radiator, 2. motor, 3. frame, 4. wind shield, 5. angle-adjustable wind shield.

[0018] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figure 1 to Figure 2 A hydraulic oil radiator that can be used in a low-temperature environment is shown, including a hydraulic oil radiator 1, one side of the hydraulic oil radiator 1 is provided with an angle-adjustable windshield device 5, and also includes an oil temperature sensor and a controller, the oil temperature sensor is arranged in the hydraulic oil tank, the oil temperature sensor is connected to the input end of the controller, and the output end of the controller is connected to the angle-adjustable windshield device 5; the angle-adjustable windshield device 5 includes a windshield plate 4 and a motor 3, and the motor 3 drives the windshield plate 4 to rotate under the control of the controller. The utility model discloses a hydraulic oil radiator which can be used in a low-temperature environment, comprising a hydraulic oil radiator, an oil temperature sensor, an angle-adjustable windshield and a controller, wherein the angle-adjustable windshield is arranged on the side of the radiator to separate the radiator air inlet compartment and the engine compartment, the oil temperature sensor and the angle-adjustable windshield are respectively connected to the input end and the output end of the controller, the oil temperature sensor is arranged in the hydraulic oil tank to detect the real-time temperature of the hydraulic oil and transmit the detected temperature information to the controller at the same time, the controller controls the action of the angle-adjustable windshield according to the temperature information transmitted by the oil temperature sensor, the angle-adjustable windshield is arranged on one side of the hydraulic oil radiator, and the opening and closing angles can be adjusted under the action of the controller, thereby adjusting the size of the vents on both sides of the hydraulic oil radiator, realizing the reflux of hot air on the heat dissipation side of the hydraulic oil radiator, changing the temperature of the cold air side entering the hydraulic oil radiator, reducing the loss of hydraulic oil temperature in the hydraulic oil radiator, and achieving the purpose of increasing the air inlet temperature, quickly increasing the hydraulic oil temperature and reducing the warm-up time.

[0023] like Figure 1 to Figure 2The hydraulic oil radiator shown in the figure can be used in a low temperature environment. The angle-adjustable windshield device 5 includes a motor 2, a frame 3 and a windshield 4. The frame 3 is fixed on one side of the hydraulic oil radiator 1. The windshield 4 is arranged in the frame 3. The upper and lower ends of the windshield 4 are provided with a rotating shaft connected to the frame 3. The motor 2 is connected to the rotating shaft. The frame 3 is parallel to the hydraulic oil radiator 1 when installed. The shape of the windshield 4 is similar to the inner frame of the frame 3. In the angle-adjustable windshield device of the utility model, the upper and lower ends of the windshield are hinged in the frame, and the windshield is driven by the motor to rotate in the frame to realize the action. The motor is connected to the controller, and the controller controls whether the motor rotates or not. The initial installation positions of the radiator, the frame and the windshield are parallel. At the same time, the windshield is similar to the frame in shape, both of which are rectangular. In the initial position, the windshield can block the hot air reflux of the radiator outlet in the frame to ensure the heat dissipation effect of the radiator on the hydraulic oil.

[0024] like Figure 1 to Figure 2 The hydraulic oil radiator shown can be used in a low temperature environment. The rotating shaft is provided with an angle sensor, and the angle sensor is connected to the input end of the controller. The controller of the utility model is also connected to the angle sensor, which collects the rotation angle information of the windshield and transmits it to the controller. The controller controls the rotation angle of the windshield according to the angle information, thereby realizing the adjustment of the heat dissipation temperature of the hydraulic oil.

[0025] like Figure 1 to Figure 2 The hydraulic oil radiator shown can be used in a low temperature environment. The angle-adjustable windshield device 5 is provided with a travel switch, and the travel switch is connected to the input end of the controller. The utility model can also control the rotation angle of the windshield through the travel switch, and cooperate with the encoder set on the motor to achieve the effect of controlling the rotation angle of the windshield.

[0026] The utility model can be used for the hydraulic oil radiator in low temperature environment. During use, the controller collects the hydraulic oil temperature t in the hydraulic oil tank through the hydraulic oil temperature sensor in the hydraulic oil tank. If the actual hydraulic oil temperature t is less than the preset minimum hydraulic oil temperature T0, the controller sends a signal to the motor to open the wind shield, so that the hot air after passing through the radiator flows back to the front of the radiator, the air inlet temperature is increased, the hydraulic oil temperature is quickly increased, and the warm-up time is reduced. If the actual hydraulic oil temperature t is greater than the preset maximum hydraulic oil temperature T1, the wind shield is closed. The controller can control the motor according to the hydraulic oil temperature, adjust the opening of the radiator wind shield, and realize the control of the hydraulic oil temperature.

[0027] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0028] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A hydraulic oil radiator that can be used in low temperature environments, characterized in that: It comprises a hydraulic oil radiator (1), one side of the hydraulic oil radiator (1) is provided with an angle-adjustable windshield device (5), and also comprises an oil temperature sensor and a controller, the oil temperature sensor is arranged in the hydraulic oil tank, the oil temperature sensor is connected to the input end of the controller, and the output end of the controller is connected to the angle-adjustable windshield device (5); The angle-adjustable windshield device (5) comprises a windshield plate (4) and a motor (2); the motor (2) drives the windshield plate (4) to rotate under the control of a controller.

2. A hydraulic oil radiator that can be used in a low temperature environment as claimed in claim 1, characterized in that: The angle-adjustable windshield device (5) comprises a motor (2), a frame (3) and a windshield plate (4); the frame (3) is fixed to one side of the hydraulic oil radiator (1); the windshield plate (4) is arranged in the frame (3); the windshield plate (4) has rotating shafts connected to the frame (3) at the upper and lower ends; and the motor (2) is connected to the rotating shaft.

3. A hydraulic oil radiator that can be used in a low temperature environment as claimed in claim 2, characterized in that: An angle sensor is arranged on the rotating shaft, and the angle sensor is connected with an input end of the controller.

4. A hydraulic oil radiator that can be used in a low temperature environment as claimed in claim 2, characterized in that: The frame (3) is installed parallel to the hydraulic oil radiator (1).

5. A hydraulic oil radiator that can be used in a low temperature environment as claimed in claim 2, characterized in that: The shape of the wind shield (4) is similar to the inner frame of the frame (3).

6. A hydraulic oil radiator that can be used in a low temperature environment as claimed in claim 1, characterized in that: The angle-adjustable windshield device (5) is provided with a travel switch, and the travel switch is connected to the input end of the controller.

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