Mining all-terrain vehicle motor-oil way heat energy recycling system

Abstract

The utility model discloses a mining all-terrain vehicle motor-oil way heat energy recycling system. The mining all-terrain vehicle motor-oil way heat energy recycling system comprises a motor-oil way comprehensive cooling system and a heat collection power generation system. According to the mining all-terrain vehicle motor-oil way heat energy recycling system, heat generated by a motor and a hydraulic working oil way is utilized, heat energy is converted into electric energy through a heat collection power generation system, the electric energy is stored in an energy storage battery, and the electric energy is supplied to an electric device of a mining all-terrain vehicle for use; the purpose of cooling the motor and the hydraulic control oil way at the same time is achieved, heat dissipated by the system is absorbed and converted into electric energy to be stored in a battery of the mining all-terrain vehicle, the heat dissipated by the system is fully utilized, the energy utilization rate is increased, and the energy consumption of the mining all-terrain vehicle is reduced.

Description

Technical Field

[0001] The utility model relates to a motor-oil circuit integrated cooling system, in particular to a motor-oil circuit heat energy recovery and reuse system for a mining all-terrain vehicle. Background Art

[0002] A mining all-terrain vehicle is a vehicle that can efficiently transport minerals in complex terrains. Based on its strong off-road performance and load-bearing capacity, it is widely used in resource mining and transportation. At present, the diesel mining all-terrain vehicles that are commonly used have the disadvantages of high engine noise and polluting emissions. Therefore, with the development of new energy technologies, mining all-terrain vehicles are gradually powered by batteries. When an electric mining all-terrain vehicle is driving on complex road conditions, the motor needs to have a very high dynamic response performance of the driving torque, which causes the current of the motor to increase, thereby increasing the temperature of the motor, resulting in a decrease in the performance of the motor, and reducing the efficiency and life of the motor. In addition, the energy utilization efficiency of the hydraulic control system of the mining all-terrain vehicle is low, resulting in a large amount of energy loss and conversion into oil heat energy, which rapidly increases the oil temperature. Excessive oil temperature will have a series of adverse effects on the hydraulic system, such as increasing leakage, accelerating oil oxidation and deterioration, and accelerating the aging of sealing components. In order to maintain the efficient and stable operation of the hydraulic system, the oil temperature must be controlled within a reasonable range. In summary, during the operation of the electric mining all-terrain vehicle, not only the motor will generate heat, but also the control oil circuit of its hydraulic control system will generate a lot of heat.

[0003] From the above analysis, it can be seen that currently, two independent cooling systems are used to cool the motor and hydraulic control oil circuit of mining all-terrain vehicles, and the heat generated by the motor and hydraulic control system cannot be well utilized during the cooling process. How to innovatively propose a mining all-terrain vehicle motor-oil circuit heat energy recovery and reuse system, which can not only cool the motor and hydraulic control oil circuit at the same time in the same cooling system to meet the heat dissipation requirements of the device, but also collect and reuse the heat generated by the motor and hydraulic control oil circuit and convert it into electrical energy and store it in energy storage batteries to supply the electrical devices of mining all-terrain vehicles, is a problem that needs to be urgently solved in this field. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a mining all-terrain vehicle motor-oil circuit heat energy recovery and reuse system, including: a motor-oil circuit integrated cooling system and a heat collection and power generation system, characterized in that the motor-oil circuit integrated cooling system includes a water tank, a water pump, a first one-way valve and a filter connected in series in sequence, a coolant is arranged in the water tank, and the filter is provided with two outputs, one of which is connected in series in sequence with a second one-way valve, a heat exchanger, a temperature difference power generation module, and a water tank to form an oil circuit cooling system, and the other is connected in series in sequence with a third one-way valve, a motor, a temperature difference power generation module, and a water tank to form a motor cooling system, and the heat collection and power generation system includes a temperature difference power generation module, a DC-DC power supply module and an energy storage battery connected in series in sequence.

[0005] Furthermore, a radiator is arranged between the temperature difference power generation module and the water tank.

[0006] Furthermore, a fan is arranged on the radiator.

[0007] Furthermore, the coolant is cooling water or cooling oil.

[0008] The utility model connects the oil circuit cooling system and the motor cooling system in parallel and then in series to the same cooling system, and sets a heat collection and power generation system composed of a temperature difference power generation module, a DC-DC power supply module and an energy storage battery in the cooling system. Therefore, the structure of the cooling system is simplified, and while cooling the motor and the hydraulic control oil circuit, the heat dissipated by the system is absorbed and converted into electrical energy, which is stored in the energy storage battery for use, thereby improving the energy utilization rate while dissipating heat and reducing the energy consumption of the mining all-terrain vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the structure of a motor-oil circuit heat energy recovery and reuse system for a mining all-terrain vehicle according to the present invention;

[0010] Figure 2 This is a schematic diagram of the discharge and reuse structure of an energy storage battery in a mining all-terrain vehicle motor-oil circuit heat recovery and reuse system in the present invention;

[0011] In the figure:

[0012] 1 water pump, 2 first one-way valve, 3 filter, 4 second one-way valve, 5 third one-way valve, 6 motor, 7 heat exchanger, 8 temperature difference power generation module, 9 DC-DC power module, 10 energy storage battery, 11 radiator, 12 fan, 13 water tank. DETAILED DESCRIPTION

[0013] The features and principles of the present invention are described in detail below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not intended to limit the scope of protection of the present invention.

[0014] like Figure 1 As shown, the patent of the present invention provides a motor-oil circuit heat energy recovery and reuse system for a mining all-terrain vehicle, and the motor-oil circuit heat energy recovery and reuse system for a mining all-terrain vehicle includes: a motor-oil circuit integrated cooling system 100 and a heat collection and power generation system 200.

[0015] In the motor-oil circuit integrated cooling system 100, the water tank 13 is connected in series with the water pump 1, the first one-way valve 2 and the filter 3 in sequence. The filter 3 is provided with two output ports, one of which is connected to the second one-way valve 4, and the second one-way valve 4 is connected to the heat exchanger 7, and the heat exchanger 7 is connected to the input end of the temperature difference power generation module 8, and the output end of the temperature difference power generation module 8 is further connected to the water tank 13, so that the coolant can flow through the water pump 1, the first one-way valve 2, the filter 3, the second one-way valve 4, the heat exchanger 7 and the temperature difference power generation module 8 in sequence through the water tank 13 and then return to the water tank 13, forming an oil circuit cooling system; the other output of the filter 3 is connected to the third one-way valve 5, and the third one-way valve 5 is connected to the motor 6, and the motor 6 is also connected to the input end of the temperature difference power generation module 8, so that after passing through the filter 3, the coolant can also return to the water tank 13 through the third one-way valve 5, the motor 6, and the temperature difference power generation module 8 to form a motor cooling system. By means of this parallel connection followed by series connection, the oil circuit cooling system and the motor cooling system are combined into one to form a motor-oil circuit integrated cooling system 100 .

[0016] Preferably, a radiator 11 may be provided between the temperature difference power generation module 8 and the water tank 13 , and a fan 12 may be provided on the radiator 11 to increase the stability of the motor-oil circuit integrated cooling system 100 .

[0017] The coolant in the motor-oil circuit integrated cooling system 100 can be selected from different cooling media as needed, such as cooling water or cooling oil.

[0018] In the heat collection and power generation system 200, the output electrode of the thermoelectric power generation module 8 is connected to the DC-DC power module 9, the output end of the DC-DC power module 9 is connected to the energy storage battery 10, and the CAN bus is used to control the DC-DC power module 9 to output different voltage levels. The array of thermoelectric power generation chips in the thermoelectric power generation module 8 is a semiconductor thermoelectric power generation chip, and the thermoelectric power generation chip array generates a temperature difference between the cold and hot ends. The cold end heat sink is placed outside the vehicle, and the thermoelectric power generation chip array outputs electrical energy to the DC-DC power module 9.

[0019] like Figure 2As shown, in the heat collection and power generation system 200, after the energy storage battery 10 is monitored by the BMS and reaches the discharge condition, the stored electric energy is released to various electrical devices of the mining all-terrain vehicle, such as: the lighting system of the headlights, the air-conditioning system, the audio system, the switch for controlling the windows, the adjustment of the seats, the use of the on-board charger, etc., thereby realizing the conversion of the heat energy of the motor and the hydraulic oil circuit into electric energy and reusing the electric energy.

[0020] The working principle of this system is as follows: in the cooling circuit, the water tank is used to store coolant and provide cooling medium for the system. The water pump is used to drive the coolant to circulate in the cooling system. After the cooling medium sucked out by the water pump passes through the first one-way valve, it must first be filtered through the filter, and then flow to the second one-way valve and the third one-way valve to ensure that the coolant flows along the predetermined path to achieve sufficient cooling of the motor and the oil circuit double circuit series. In the heat collection power generation system, the temperature difference power generation module uses the temperature difference generated by the heat energy of the coolant in the cooling system, especially the heat exchanger, to heat one end of its thermocouple and keep the other end cool, so that a potential difference is formed between the hot end and the cold end to form a current. The DC-DC power supply module converts the electric energy generated by the temperature difference power generation module into a stable voltage and current. These stable voltage and current can flow to the corresponding model of energy storage battery to charge the energy storage battery. The energy storage battery can store electricity. When the vehicle needs electricity, such as turning on the lights, the control system will instruct the energy storage battery to release electricity. During this process, the chemical reaction in the battery converts electrical energy into electric current, which flows through the circuit to the vehicle's electrical system to provide power for devices such as lights. During the process of charging, storing and discharging the energy storage battery, the battery management system (BMS) monitors and manages the battery's charge and discharge status to ensure the safety and efficiency of the battery. The BMS controls the charging current and voltage to prevent the battery from overcharging or over-discharging, and monitors the battery's temperature and capacity to ensure that it operates within a safe and efficient range.

[0021] The above embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements to the present invention by relevant technical personnel in the field should be included within the scope of protection determined by the claims of the present invention.

Claims

1. A mining all-terrain vehicle motor-oil circuit heat energy recovery and reuse system, comprising: A motor-oil circuit integrated cooling system (100) and a heat collection power generation system (200); characterized in that: The motor-oil circuit integrated cooling system (100) comprises a water tank (13), a water pump (1), a first one-way valve (2) and a filter (3) which are connected in series in sequence; a coolant is provided in the water tank (13); the filter (3) is provided with two outputs, one of which is connected in series in sequence with a second one-way valve (4), a heat exchanger (7), a temperature difference power generation module (8) and a water tank (13), thereby forming an oil circuit cooling system; The other path is connected in series in sequence to a third one-way valve (5), a motor (6), a temperature difference power generation module (8), and a water tank (13), forming a motor cooling system; The heat collection and power generation system (200) comprises a temperature difference power generation module (8), a DC-DC power supply module (9) and an energy storage battery (10) which are sequentially connected in series, forming a heat collection and power generation system.

2. The mining all-terrain vehicle motor-oil circuit heat energy recovery and reuse system according to claim 1 is characterized in that: A radiator (11) is provided between the temperature difference power generation module (8) and the water tank (13).

3. The mining all-terrain vehicle motor-oil circuit heat energy recovery and reuse system according to claim 2 is characterized in that: A fan (12) is arranged on the radiator (11).

4. The motor-oil circuit heat energy recovery and reuse system for a mining all-terrain vehicle according to any of the above claims, characterized in that: The coolant is cooling water or cooling oil.

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