Unmanned mine truck and automatic oil changing system thereof

Abstract

The utility model discloses an unmanned mine truck and an automatic oil changing system thereof. An oil inlet and an oil outlet of an engine are respectively connected with a P port of a first electromagnetic valve and a P port of a second electromagnetic valve; an oil outlet and an oil return port of the main oil tank are respectively connected with ports A of the first electromagnetic valve and the second electromagnetic valve; an oil outlet and an oil return port of the auxiliary oil tank are respectively connected with ports B of the first electromagnetic valve and the second electromagnetic valve; the vehicle control unit VCU is connected with the temperature sensor, the first electromagnetic valve and the second electromagnetic valve. The temperature sensor is used for measuring the working environment temperature of a vehicle. And therefore, the VCU can realize communication switching on the ports A and P or the ports B and P of the first electromagnetic valve and the second electromagnetic valve through the working environment temperature of the vehicle. According to the utility model, automatic switching of high-grade and low-grade diesel oil can be realized; and normal starting of the vehicle can be guaranteed, and consumption of high-grade diesel oil of the auxiliary fuel tank is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining vehicle technical field, specifically is an unmanned mining vehicle and automatic oil changing system thereof. BACKGROUND

[0002] Mining vehicle belongs to off-highway vehicle, and is mainly used in mines and engineering fields, is more durable than general load vehicles, and can carry more load. Mining truck is essentially different from ordinary dump truck in design concept. Ordinary dump truck is used for highway transportation, and mining truck is used for mine operation, so the whole vehicle and parts of mining truck are considered in mine operation environment, and are designed and manufactured for such users.

[0003] The current unmanned mining vehicle does not need to be operated by a driver, and the vehicle operation is completely controlled by a program. In order to save cost and ensure normal operation, high and low grade diesel oil switching is also involved in cold regions. The current oil changing mode generally uses a manual reversing valve, which needs manual operation of the valve to switch fuel, and also needs manual judgment of the mine environment temperature to determine whether switching is needed, which is not conducive to unmanned vehicle operation. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide an unmanned mining vehicle and an automatic oil changing system thereof, which realizes automatic switching of high and low grade diesel oil of the main oil tank and the auxiliary mailbox, and the automatic oil changing system can better adapt to unmanned vehicles and reduce personnel operation.

[0005] The utility model solves the above problems through the following technical solutions:

[0006] An automatic oil changing system of an unmanned mining vehicle, comprising: a double-cavity oil tank with a main oil tank and an auxiliary oil tank, and a first electromagnetic valve, a second electromagnetic valve, a vehicle controller VCU, an engine and a temperature sensor;

[0007] The oil inlet and the oil outlet of the engine are respectively connected to the P port of the first electromagnetic valve and the second electromagnetic valve;

[0008] The oil outlet and the oil return port of the main oil tank are respectively connected to the A port of the first electromagnetic valve and the second electromagnetic valve;

[0009] The oil outlet and the oil return port of the auxiliary oil tank are respectively connected to the B port of the first electromagnetic valve and the second electromagnetic valve;

[0010] The vehicle controller VCU is connected to the temperature sensor, the first electromagnetic valve and the second electromagnetic valve, and the temperature sensor is used to measure the vehicle working environment temperature; so that the vehicle controller VCU realizes the communication switching of the A port and the P port, or the B port and the P port of the first electromagnetic valve and the second electromagnetic valve through the vehicle working environment temperature.

[0011] As a further improvement, the main oil tank, the first electromagnetic valve, the engine and the second electromagnetic valve are sequentially enclosed to form a main oil tank circuit.

[0012] As a further improvement, the main oil tank, the first electromagnetic valve, the engine and the second electromagnetic valve are sequentially enclosed to form a main oil tank circuit.

[0013] As a further improvement, the main oil tank and the auxiliary oil tank are respectively filled with No. 0 diesel oil and high-grade diesel oil.

[0014] As a further improvement, the vehicle control unit VCU is connected in communication with the temperature sensor, the first electromagnetic valve and the second electromagnetic valve.

[0015] In addition, the utility model also solves above-mentioned problem through following technical scheme:

[0016] An unmanned mine vehicle comprises the automatic oil changing system of the unmanned mine vehicle as described above.

[0017] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0018] The utility model through vehicle control unit VCU carries out high low grade diesel oil's automatic switching, and through the temperature sensor of measuring vehicle working environment temperature, to through vehicle working environment realizes the communication switching of the A mouth and P mouth, or B mouth and P mouth of the first electromagnetic valve and the second electromagnetic valve, guarantees the normal start of vehicle, and saves the consumption of high-grade diesel oil of auxiliary oil tank. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model discloses an automatic oil changing system block diagram of unmanned mine vehicle. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] EMBODIMENT

[0022] In conjunction with the drawings, Figure 1As shown, an unmanned mine vehicle automatic oil changing system, comprising: a double-cavity oil tank with a main oil tank and a secondary oil tank, a first electromagnetic valve, a second electromagnetic valve, a vehicle controller VCU, an engine, a temperature sensor, and pipelines and lines used for mutual communication, etc.; the oil inlet and the oil outlet of the engine are connected to the P port of the first electromagnetic valve and the second electromagnetic valve, respectively;

[0023] The oil outlet and the oil return port of the main oil tank are connected to the A port of the first electromagnetic valve and the second electromagnetic valve, respectively;

[0024] The oil outlet and the oil return port of the secondary oil tank are connected to the B port of the first electromagnetic valve and the second electromagnetic valve, respectively;

[0025] The vehicle controller VCU is connected to the temperature sensor, the first electromagnetic valve and the second electromagnetic valve, respectively, and the temperature sensor is used to measure the vehicle working environment temperature; so that the vehicle controller VCU switches the communication between the A port and the P port, or the B port and the P port of the first electromagnetic valve and the second electromagnetic valve through the vehicle working environment temperature.

[0026] In a specific embodiment, the main oil tank of the double-cavity oil tank is filled with No. 0 diesel oil, i.e. light diesel oil, and the secondary oil tank is filled with high-grade diesel oil;

[0027] The A port of the first electromagnetic valve is connected to the oil outlet of the main oil tank through a pipeline, and the A port of the second electromagnetic valve is connected to the oil return port of the main oil tank through a pipeline; the B port of the first electromagnetic valve is connected to the oil outlet of the secondary oil tank through a pipeline, and the B port of the second electromagnetic valve is connected to the oil return port of the secondary oil tank through a pipeline;

[0028] The P port of the first electromagnetic valve is connected to the oil inlet of the engine through a pipeline, and the P port of the second electromagnetic valve is connected to the oil outlet of the engine through a pipeline;

[0029] The vehicle controller VCU is connected to the first electromagnetic valve and the second electromagnetic valve through a line, respectively, to control the communication between the A port and the P port, or the B port and the P port;

[0030] The temperature sensor is connected to the vehicle controller VCU through a line, used to measure the vehicle working environment temperature, compared with the set temperature in the vehicle controller VCU, to realize the communication control of the first electromagnetic valve and the second electromagnetic valve.

[0031] In an optional embodiment, an unmanned mine vehicle, comprising the automatic oil changing system as described above, the main oil tank, the first electromagnetic valve, the engine and the second electromagnetic valve form a main oil tank loop in sequence; the secondary oil tank, the first electromagnetic valve, the engine and the second electromagnetic valve form a secondary oil tank loop in sequence.

[0032] Specifically, before the unmanned vehicle is first driven in winter, the B port of the first electromagnetic valve and the P port are communicated, and the B port of the second electromagnetic valve and the P port are communicated through the vehicle control unit VCU, and no matter what the mine environment temperature is, the high-grade diesel oil in the auxiliary oil tank is used first to ensure the normal operation of the engine.

[0033] When the vehicle is powered on in the ON gear, the vehicle control unit VCU compares the mine environment temperature measured by the temperature sensor with the set temperature set in the vehicle control unit VCU:

[0034] I. If the measured environment temperature is less than the set temperature, the B port of the first electromagnetic valve and the P port are maintained in the communication state, and the engine uses the high-grade diesel oil in the auxiliary oil tank to start; after the engine runs for a period of time t1, the engine is preheated, and the second electromagnetic valve is switched from the B port and the P port to the A port and the P port through the vehicle control unit VCU, so that the engine back oil returns to the main oil tank; after a period of time t2, the first electromagnetic valve is switched from the B port and the P port to the A port and the P port through the vehicle control unit, so that the engine oil is switched from the high-grade diesel oil in the auxiliary oil tank to the 0# diesel oil in the main oil tank, so that not only the 0# diesel oil in the main oil tank can be prevented from returning to the auxiliary oil tank, but also the operating cost of using 0# diesel oil is lower.

[0035] II. If the measured environment temperature is greater than or equal to the set temperature, the first electromagnetic valve and the second electromagnetic valve are switched from the B port and the P port to the A port and the P port through the vehicle control unit VCU, and the engine directly uses the 0# diesel oil in the main oil tank to start working, so that the consumption of high-grade diesel oil in the auxiliary oil tank can be saved.

[0036] When the unmanned vehicle completes the daily work or needs to stop for other reasons, the unmanned vehicle returns to the parking area, and after detecting the parking signal, the first electromagnetic valve is switched from the A port and the P port to the B port and the P port through the vehicle control unit VCU; after a period of time t3, the second electromagnetic valve is switched from the A port and the P port to the B port and the P port through the vehicle control unit VCU; after a period of time t4, the engine is stopped. At this time, the diesel oil in the pipeline after the engine is stopped is all high-grade diesel oil, which ensures normal starting next time and is not affected by the environment temperature.

[0037] Although the present application has been described with reference to the explanatory embodiments thereof, the above-described embodiments are merely the preferred embodiments of the present application, and the embodiments of the present application are not limited to the above-described embodiments. It should be understood that those skilled in the art can design many other modifications and embodiments, and these modifications and embodiments will fall within the scope and spirit of the present application.

Claims

1. An automatic oil changing system for an unmanned mine vehicle, characterized in that, The application relates to an automatic oil changing system of an unmanned mine vehicle. The automatic oil changing system comprises a double-cavity oil tank with a main oil tank and an auxiliary oil tank, a first electromagnetic valve, a second electromagnetic valve, a vehicle controller VCU, an engine and a temperature sensor. An oil inlet of the engine is connected with a P port of the first electromagnetic valve and the second electromagnetic valve respectively. An oil outlet of the main oil tank is connected with an A port of the first electromagnetic valve and the second electromagnetic valve respectively. An oil outlet of the auxiliary oil tank is connected with a B port of the first electromagnetic valve and the second electromagnetic valve respectively. The vehicle controller VCU is connected with the temperature sensor, the first electromagnetic valve and the second electromagnetic valve respectively, and the temperature sensor is used for measuring the working environment temperature of the vehicle; so that the vehicle controller VCU switches the communication between the A port and the P port or the B port and the P port of the first electromagnetic valve and the second electromagnetic valve according to the working environment temperature of the vehicle.

2. The automatic oil changing system of the unmanned mine truck according to claim 1, characterized in that, The main oil tank, the first electromagnetic valve, the engine and the second electromagnetic valve are sequentially enclosed to form a main oil tank loop.

3. The automatic oil changing system of the unmanned mine truck according to claim 1, characterized in that, The auxiliary oil tank, the first electromagnetic valve, the engine and the second electromagnetic valve are sequentially enclosed to form an auxiliary oil tank loop.

4. The automatic oil changing system of the unmanned mine truck according to any one of claims 1-3, characterized in that, The main oil tank and the auxiliary oil tank are respectively filled with 0# diesel oil and high-grade diesel oil.

5. The automatic oil changing system of the unmanned mine truck according to claim 4, characterized in that, The vehicle controller VCU is connected with the temperature sensor, the first electromagnetic valve and the second electromagnetic valve in communication.

6. An unmanned mine vehicle, characterized in that The application further relates to an unmanned mine vehicle automatic oil changing system. The unmanned mine vehicle automatic oil changing system is the automatic oil changing system according to any one of claims 1-5.

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