Temperature control device of steering engine high-temperature test platform

Abstract

The utility model provides a temperature control device of a steering engine high-temperature test platform, which relates to the field of temperature control and comprises an oil tank, an oil pump and a heating bag, the heating bag is used for heating hydraulic oil pumped by the oil pump, and the heated hydraulic oil is guided into a steering engine pipeline under the continuous pumping of the oil pump. The radiator is connected with the oil tank; the three-way diverter valve is provided with three ports, one port is an oil return port, and the other two ports are respectively connected with the oil pump and the radiator; according to the three-way diverter valve, hydraulic oil passing through the three-way diverter valve can completely enter the oil pump or the radiator by adjusting the opening degrees of the two discharge ports, or the hydraulic oil is respectively guided into the oil pump and the radiator according to the opening degree proportion.

Description

Technical Field

[0001] The utility model relates to the field of temperature control, in particular to a temperature control device for a high-temperature test platform of a steering gear. Background Art

[0002] The steering gear that controls the rotation of the rudder surface in an aircraft needs to undergo a high-temperature test to detect its functions. Currently, the above test is implemented by a high-temperature test platform for the steering gear. The temperature control device responsible for controlling the temperature of the hydraulic oil in this high-temperature test platform for the steering gear has the following technical difficulties:

[0003] First, the hydraulic oil with temperature in the oil supply circuit returns from the steering gear to the return oil circuit and directly enters the fuel tank. The hydraulic oil in the fuel tank suddenly increases in temperature under the heating of the high-temperature return oil. The hydraulic oil in the tank is prone to oxidation failure under the repeated impact of high temperature, and has a short service life.

[0004] Second, the hydraulic oil in the fuel tank suddenly increases in temperature under the heating of the return oil. When the entire oil circuit needs to be quickly cooled, it is difficult for the radiator alone to quickly reduce the temperature of the hydraulic oil to the target temperature.

[0005] Third, when it is necessary to quickly increase the temperature after cooling, since the hydraulic oil in the fuel tank has cooled, the heating pressure of the heating pack suddenly increases, not only the heating is slow, but also the energy consumption is large.

[0006] The above technical difficulties need to be solved urgently. Content of the Utility Model

[0007] The purpose of the utility model is to provide a temperature control device for a high-temperature test platform of a steering gear to solve the above technical problems.

[0008] The utility model adopts the following technical solutions to solve the above technical problems:

[0009] A temperature control device for a high-temperature test platform of a steering gear includes a fuel tank, an oil pump, and a heating pack. The heating pack heats the hydraulic oil pumped by the oil pump, and under the continuous pumping of the oil pump, the heated hydraulic oil is introduced into the steering gear pipeline. It also includes a three-way shunt valve and a radiator connected to the fuel tank;

[0010] The three-way shunt valve has three ports, one of which is the return oil port, and the other two ports are respectively connected to the oil pump and the radiator;

[0011] The three-way shunt valve can adjust the opening degrees of the other two ports, so that all the hydraulic oil entering the three-way shunt valve from the return oil port enters the oil pump or all enters the radiator, or the hydraulic oil is respectively introduced into the oil pump and the radiator according to the opening degree ratio.

[0012] Preferably, the hydraulic oil enters the steering gear pipeline from the fuel tank, the oil pump, and the heating pack to form an oil supply circuit.

[0013] Preferably, the hydraulic oil enters the three-way flow dividing valve from the steering gear pipeline to form an oil return circuit.

[0014] Preferably, after all the hydraulic oil entering the three-way flow dividing valve from the oil return port enters the oil pump, it is mixed with the hydraulic oil entering the oil pump from the fuel tank, so that the hydraulic oil in the oil supply circuit is quickly heated.

[0015] Preferably, after all the hydraulic oil entering the three-way flow dividing valve from the oil return port enters the radiator, it is mixed with the hydraulic oil in the fuel tank, so that the hydraulic oil in the oil supply circuit is quickly cooled.

[0016] Preferably, after the hydraulic oil entering the three-way flow dividing valve from the oil return port is respectively introduced into the oil pump and the radiator according to the opening ratio, the hydraulic oil in the oil supply circuit accurately reaches the target temperature.

[0017] Preferably, it further includes a filter for filtering the hydraulic oil pumped by the oil pump.

[0018] Preferably, there is a valve seat between the oil supply circuit and the oil return circuit, and the valve seat is equipped with an accumulator, a proportional relief valve, and a unloading relief valve.

[0019] The beneficial effects of the present utility model are as follows:

[0020] 1. In the present utility model, the three-way flow dividing valve can adjust the opening degrees of the two discharge ports, so that all the hydraulic oil passing through the three-way flow dividing valve enters the oil pump or all enters the radiator, or is respectively introduced into the oil pump and the radiator according to the opening ratio.

[0021] 2. At the initial stage of system startup, the three-way flow dividing valve can introduce all the oil return into the oil pump to be mixed with the hydraulic oil entering the oil pump from the fuel tank to quickly heat the hydraulic oil; on the contrary, when the system is shut down, by introducing all the cooled oil return into the fuel tank to be mixed with the hydraulic oil in the fuel tank, the hydraulic oil is quickly cooled; during the operation of the system, the oil return can also be respectively introduced into the oil pump and the radiator according to the opening ratio, so as to accurately control the temperature of the hydraulic oil in the oil circuit.

[0022] 3. In the present utility model, the temperature of the hydraulic oil in the fuel tank is maintained at 30 - 50 °C, the attenuation of the hydraulic oil in the fuel tank is slow, and the service life is long. Description of the Drawings

[0023] Figure 1 It is a schematic structural diagram of a temperature control device for a steering gear high-temperature test platform;

[0024] Figure 2 It is Figure 1 a schematic structural diagram of the temperature control device shown from the opposite perspective;

[0025] Figure 3 It is Figure 1 a schematic structural diagram of the temperature control device shown after removing the frame;

[0026] Figure 4 It is an internal view of the valve seat;

[0027] Figure 5 It is a control schematic diagram of the temperature control device;

[0028] Reference numerals: 1, frame; 2, fuel tank; 3, heating pack; 4, oil pump; 5, radiator; 6, valve seat; 7, accumulator; 8, proportional relief valve; 9, unloading relief valve; 10, filter; 11, three-way diverter valve; 12, first pipe; 13, three-way; 14, second pipe; 15, third pipe; 16, fourth pipe; 17, fifth pipe; 18, sixth pipe; 19, seventh pipe; 20, eighth pipe; 21, ninth pipe; 61, valve seat body; 62, first channel; 63, second channel; 64, third channel; 65, fourth channel. Specific embodiments

[0029] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the following combines specific embodiments and drawings to further elaborate the present utility model. However, the following embodiments are only the preferred embodiments of the present utility model, not all of them. Based on the embodiments in the implementation manners, other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present utility model.

[0030] The following describes specific embodiments of the present utility model with reference to the drawings.

[0031] Embodiment 1

[0032] In this embodiment, a temperature control device for a servo high-temperature test platform is proposed. Please refer to Figures 1-4 , and taking Figure 5 as a reference, the temperature control device of the servo high-temperature test platform includes a frame 1, a fuel tank 2 arranged above the frame 1, a heating pack 3 adjacent to the fuel tank 2, an oil pump 4 located inside the frame 1, and a radiator 5 and a three-way diverter valve 11 adjacent to the oil pump 4.

[0033] Furthermore, a valve seat 6 is also provided beside the heating pack 3. As shown in Figure 4 , the valve seat 6 includes a valve seat body 61 and a plurality of channels arranged inside the valve seat body 61. Among them, the plurality of channels are respectively a first channel 62, a second channel 63, a third channel 64 communicated with the second channel 63, and a fourth channel 65.

[0034] Please refer to Figures 1-3 , the valve seat body 61 is equipped with a plurality of devices. First, Figures 1-3The two filters 10 shown are fixed at the valve seat body 61 in series. Among them, one filter 10 is connected to the first channel 62, and the other filter 10 is connected to the third channel 64;

[0035] Second, Figures 1-3 The accumulator 7, proportional relief valve 8, and unloading relief valve 9 shown are fixed on the top of the valve seat body 61 beside the filter 10. Among them, the accumulator 7, proportional relief valve 8, and unloading relief valve 9 communicate with the second channel 63; It should be emphasized that the proportional relief valve 8 and the unloading relief valve 9 are also connected to the fourth channel 65.

[0036] In this embodiment, the redundant ports in the second channel 63, third channel 64, and fourth channel 65 are used to mount test equipment, and the test equipment is not limited to thermometers and pressure gauges.

[0037] Please refer to Figures 1-4 , and there are multiple pipes connecting each component.

[0038] First, please refer to Figures 1-4 , the three ports of the three-way joint 13 are respectively connected to the first pipe 12, the second pipe 14, and the seventh pipe 19. Among them, the first pipe 12 is connected to the fuel tank 2, the second pipe 14 is connected to the oil pump 4, and the seventh pipe 19 is connected to the three-way diverter valve 11 (connected to any one of the two discharge ports in the three-way diverter valve 11).

[0039] Second, please continue to refer to Figures 1-4 , a third pipe 15 is provided between the oil pump 4 and the valve seat body 61, and this third pipe 15 is connected to the first channel 62. A fourth pipe 16 connects the second channel 63 to the heating pack 3, and the heating pack 3 is equipped with a fifth pipe 17.

[0040] Third, please continue to refer to Figures 1-4 , a sixth pipe 18 connects the fourth channel 65 to the three-way diverter valve 11. It should be noted that the sixth pipe 18 is connected to the oil return port in the three-way diverter valve 11; The remaining one discharge port in the three-way diverter valve 11 is connected to the radiator 5 via an eighth pipe 20, and the radiator 5 is also equipped with a ninth pipe 21, and this ninth pipe 21 connects the radiator 5 to the fuel tank 2.

[0041] Regarding the description of the three-way diverter valve 11, as introduced above, the three-way diverter valve 11 has an oil return port and two discharge ports respectively connected to the oil pump 4 and the radiator 5. Among them, the three-way diverter valve 11 can adjust the opening degrees of the two discharge ports. Then, the hydraulic oil entering the three-way diverter valve 11 from the oil return port will have three flow states:

[0042] First, all the hydraulic oil entering the three-way diverter valve 11 from the oil return port enters the oil pump 4 through one of the discharge ports;

[0043] Second, the hydraulic oil entering the three-way diverter valve 11 from the oil return port all enters the radiator 5 through another drain port;

[0044] Third, the hydraulic oil entering the three-way diverter valve 11 from the oil return port divides and guides the hydraulic oil into the oil pump 4 and the radiator 5 respectively according to the opening ratio of the two drain ports.

[0045] For further illustration, the three flow states of the hydraulic oil have corresponding functions:

[0046] First, after the hydraulic oil entering the three-way diverter valve 11 from the oil return port all enters the oil pump 4, it mixes with the hydraulic oil entering the oil pump 4 from the fuel tank 2, causing the hydraulic oil in the supply oil circuit to quickly heat up.

[0047] Second, after the hydraulic oil entering the three-way diverter valve 11 from the oil return port all enters the radiator 5, it mixes with the hydraulic oil in the fuel tank 2, causing the hydraulic oil in the supply oil circuit to quickly cool down.

[0048] Third, after the hydraulic oil entering the three-way diverter valve 11 from the oil return port is divided and guided into the oil pump 4 and the radiator 5 according to the opening ratio, the hydraulic oil in the supply oil circuit accurately reaches the target temperature.

[0049] The working process of the temperature control device of the servo high-temperature test platform proposed in this embodiment is as follows:

[0050] First, the oil pump 4 starts, and the hydraulic oil in the fuel tank 2 enters the first channel 62 through the first pipe 12, the three-way joint 13, the second pipe 14, the oil pump 4, and the third pipe 15. Subsequently, it enters the second channel 63 and the third channel 64 after being filtered by the filter 10. During this period, when the pressure of the hydraulic oil in the entire supply oil circuit is within the calibrated range, the hydraulic oil enters the heating pack 3 through the fourth pipe 16. After being heated by the heating pack 3, it enters the servo pipeline through the fifth pipe 17;

[0051] Second, the servo pipeline returns oil to the fourth channel 65 and enters the three-way diverter valve 11 through the sixth pipe 18. During this period, considering the temperature situation, all the hydraulic oil entering the three-way diverter valve 11 enters the oil pump 4, or all the hydraulic oil entering the three-way diverter valve 11 enters the radiator 5, or the hydraulic oil entering the three-way diverter valve 11 is divided into the oil pump 4 and the radiator 5 according to the opening ratio.

[0052] As described above, when the pressure of the hydraulic oil in the entire supply oil circuit is within the calibrated range, the hydraulic oil enters the heating pack 3 through the fourth pipe 16. On the contrary, when the pressure of the hydraulic oil in the supply oil circuit becomes small, the accumulator 7 can be used to supplement pressure to the pipeline; when the pressure of the hydraulic oil in the supply oil circuit becomes large, the proportional relief valve 8 and the unloading relief valve 9 can be used to release pressure to the fourth channel 65, thereby achieving a pressure stabilizing effect. For further illustration, the unloading relief valve 9 opens at the initial stage of the start of the oil pump 4, which can reduce the load of the oil pump 4.

[0053] In the present utility model, unless otherwise clearly specified and defined, the first feature being “above” or “below” the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being “above”, “over” and “on top of” the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being “below”, “beneath” and “underneath” the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is less than that of the second feature.

[0054] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A temperature control device for a steering gear high temperature test platform, comprising an oil tank, an oil pump, and a heating pack, the heating pack heats the hydraulic oil pumped by the oil pump, and introduces the heated hydraulic oil into the steering gear pipeline under the continuous pumping of the oil pump, characterized in that: It also includes a three-way diverter valve and a radiator connected to the oil tank; The three-way diverter valve has three ports, one of which is the oil return port, and the other two ports are connected to the oil pump and the radiator respectively; The three-way diverter valve can adjust the opening of the other two ports so that the hydraulic oil entering the three-way diverter valve through the return port can all enter the oil pump or the radiator, or the hydraulic oil can be introduced into the oil pump and the radiator respectively according to the opening ratio.

2. The temperature control device of a steering gear high temperature test platform according to claim 1, characterized in that: The hydraulic oil enters the steering gear pipeline from the oil tank, oil pump and heating pack to form the oil supply circuit.

3. The temperature control device of the steering gear high temperature test platform according to claim 2, characterized in that: The hydraulic oil enters the three-way diverter valve from the steering gear pipeline to form the return oil circuit.

4. The temperature control device of the steering gear high temperature test platform according to claim 3 is characterized in that: After all the hydraulic oil entering the three-way diverter valve from the oil return port enters the oil pump, it mixes with the hydraulic oil entering the oil pump from the oil tank, so that the hydraulic oil in the oil supply circuit is quickly heated up.

5. The temperature control device of the steering gear high temperature test platform according to claim 3 is characterized in that: After all the hydraulic oil entering the three-way diverter valve from the oil return port enters the radiator, it mixes with the hydraulic oil in the oil tank, so that the hydraulic oil in the oil supply circuit is quickly cooled.

6. The temperature control device of a steering gear high temperature test platform according to claim 3, characterized in that: The hydraulic oil entering the three-way diverter valve from the return oil port is introduced into the oil pump and the radiator respectively according to the opening ratio, so that the hydraulic oil in the oil supply circuit reaches the target temperature accurately.

7. The temperature control device of a steering gear high temperature test platform according to claim 1, characterized in that: Also included is a filter for filtering the hydraulic oil pumped by the oil pump.

8. The temperature control device of a steering gear high temperature test platform according to claim 3, characterized in that: There is a valve seat between the oil supply line and the oil return line, and the valve seat is equipped with an accumulator, a proportional relief valve, and a unloading relief valve.

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