Electric energy storage and surplus electricity utilization device for trackless rubber wheel electric vehicle

Abstract

The utility model discloses a trackless rubber wheel electric vehicle electric energy storage residual electricity utilization device, which belongs to the technical field of new energy and energy conservation and comprises a solar photovoltaic panel, the solar photovoltaic panel is connected with a charging pile through a lead, the charging pile is sequentially connected with a DC-DC converter and a first storage battery through leads, and the first storage battery is located in a trackless rubber wheel electric vehicle. The charging pile is connected with a mine power grid system and power distribution equipment through wires, the power distribution equipment is connected with an electric equipment terminal through a wire, and a capacitance sensor is further arranged in the charging pile. According to the utility model, when the trackless rubber-tyred tramcar is fully charged, residual electricity generated by photovoltaic power and electric energy in the trackless rubber-tyred tramcar can be supplied to a field area power grid and field area heat supply equipment, so that efficient utilization of the electric energy is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of new energy and energy-saving, and specifically relates to a device for utilizing surplus electricity of electric energy storage for trackless rubber-wheeled trams. Background Art

[0002] As an important part of the auxiliary transportation in coal mines, rubber-wheeled trackless trams are one of the key transportation equipment in coal mines. They are mainly used for the transportation of materials and personnel required for underground production. They have the advantages of good power performance, strong passability, flexibility, versatility and economy. In the process of photovoltaic charging of existing rubber-wheeled trackless trams, when the rubber-wheeled trackless trams are fully charged, the photovoltaic panels will continue to generate electricity, and the electricity generated at this time will be wasted. At the same time, when the battery of the rubber-wheeled trackless tram is fully charged, if the vehicle is not driven, the electricity in the battery will not be wasted through the attenuation of electricity, which is equivalent to the waste of electricity, and the electricity cannot be fully utilized. Utility Model Content

[0003] The utility model aims to provide a device for utilizing surplus electricity of electric energy storage for trackless rubber-wheeled trams, which can realize that when the trackless rubber-wheeled tram is fully charged, the surplus electricity generated by photovoltaic power generation and the electric energy in the trackless rubber-wheeled tram can be used to supply power to the site power grid and the site heating equipment, thereby realizing efficient utilization of electric energy.

[0004] The technical scheme adopted by the utility model is that the device for utilizing surplus power of electric energy storage of trackless rubber-wheeled tram comprises a solar photovoltaic panel, the solar photovoltaic panel is connected to a charging pile through a wire, the charging pile is sequentially connected to a DC-DC converter and a first storage battery through a wire, the first storage battery is located in the trackless rubber-wheeled tram, the charging pile is respectively connected to a mine power grid system and a power distribution device through a wire, the power distribution device is connected to a terminal of a useful device through a wire, and a capacitive sensor is also arranged in the charging pile.

[0005] The utility model is also characterized in that:

[0006] The charging pile includes a second storage battery and a reversing device;

[0007] The second storage battery is connected to the mine power grid system and the power equipment terminal through the commutation device;

[0008] The capacitive sensor is connected between the DC-DC converter and the commutation device.

[0009] The charging pile is also electrically connected to an intelligent operating platform, and the intelligent operating platform is electrically connected to the capacitive sensor.

[0010] The first storage battery is a double-layer supercapacitor.

[0011] The electrical equipment terminals include wellhead antifreeze units, plant area heat pump units and hot water heating systems.

[0012] The beneficial effects of the utility model are:

[0013] (1) The utility model of the trackless rubber-wheeled tram electric energy storage surplus power utilization device uses photovoltaic panels to successively supply energy to the trackless rubber-wheeled tram, the site power grid and the site heating equipment, thereby realizing the efficient utilization of natural resources and gradually replacing the fossil energy supply mode with environmental pollution factors to achieve the site's "zero carbon" goal.

[0014] (2) The rubber-tyred trolley in the electric energy storage and surplus power utilization device of the utility model has the advantages of clean power, low emissions, low noise, easy maintenance and low operating cost. It is very suitable for fixed areas underground and short transportation distance operations. Secondly, it utilizes solar energy resources to generate electricity through photovoltaic panels, which is clean, low-carbon, environmentally friendly and renewable. The photovoltaic power generation system has a long service life and low maintenance cost. At the same time, the surplus electricity generated can supplement the power supply of the mine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a device for utilizing electric energy storage and surplus electricity of a trackless rubber-tyred tram.

[0016] In the figure, 1. solar photovoltaic panel, 2. rubber-wheeled trackless tram, 3. rubber-wheeled trackless garage, 4. charging pile, 4-1. second storage battery, 4-2. switching device, 5. power distribution equipment, 6. DC-DC converter, 7. first storage battery, 8. capacitive sensor, 9. mine power grid system, 10. power equipment terminal. DETAILED DESCRIPTION

[0017] The utility model is further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Embodiment 1:

[0019] like Figure 1 As shown, the utility model discloses a device for utilizing surplus power of electric energy storage for a trackless rubber-wheeled tram, comprising a solar photovoltaic panel 1, wherein the solar photovoltaic panel 1 is connected to a charging pile 4 through a wire, the charging pile 4 is sequentially connected to a DC-DC converter 6 and a first storage battery 7 through a wire, the first storage battery 7 is located in the trackless rubber-wheeled tram 2, the trackless rubber-wheeled tram 2 and the charging pile 4 are both located in a trackless rubber-wheeled garage 3, the charging pile 4 is respectively connected to a mine power grid system 9 and a power distribution device 5 through a wire, the power distribution device 5 is connected to a power-using device terminal 10 through a wire, and a capacitive sensor 8 is also arranged in the charging pile 4, and the capacitive sensor 8 is used to detect the power of the first storage battery 7.

[0020] The solar photovoltaic panel 1 generates electricity and charges the charging pile 4 through the wire. The charging pile 4 charges the first battery 7 through the wire and the DC-DC converter 6. The capacitive sensor 8 monitors the power of the first battery 7. When the first battery 7 is full, the charging pile 4 stops charging the first battery 7. The solar photovoltaic panel 1 will continue to generate electrical energy, and the excess electricity will be connected to the mine power grid system 9 and the power equipment terminal 10 through the wire, and serve as an auxiliary power supply source to power the remaining power equipment.

[0021] Embodiment 2:

[0022] It includes a solar photovoltaic panel 1, which is connected to a charging pile 4 through a wire. The charging pile 4 includes a second battery 4-1 and a commutation device 4-2. The second battery 4-1 is connected to a DC-DC converter 6 and a first battery 7 in sequence through a wire through the commutation device 4-2. The first battery 7 is located in a trolleybus 2. The trolleybus 2 and the charging pile 4 are both located in a trolleybus garage 3. The second battery 4-1 is connected to a mine power grid system 9 and a power distribution device 5 through a wire through the commutation device 4-2. The power distribution device 5 is connected to a power equipment terminal 10 through a wire. A capacitive sensor 8 is also provided in the charging pile 4. The capacitive sensor 8 is connected between the DC-DC converter 6 and the commutation device 4-2. The capacitive sensor 8 is used to detect the power of the first battery 7.

[0023] The electricity generated by the solar photovoltaic panel 1 is used to charge the charging pile 4 through the wire. The second battery 4-1 charges the first battery 7 through the switching device 4-2 through the wire and the DC-DC converter 6. The capacitive sensor 8 monitors the power of the first battery 7. When the first battery 7 is full, the charging pile 4 stops charging the first battery 7. The solar photovoltaic panel 1 will continue to generate electrical energy, and the excess electricity will be connected to the mine power grid system 9 and the power equipment terminal 10 through the wire, and serve as an auxiliary power supply source to power the remaining power equipment.

[0024] At night, when the electricity consumption of the site is at a low point, if there is still surplus power in the first storage battery 7, the first storage battery 7 is discharged through the DC-DC converter 6;

[0025] At night, the surplus electricity discharged from the first storage battery 7 is transmitted through the switching device 4-2 to the power distribution equipment 5 through the wire to actively supply power to the operation of the power consumption equipment terminal 10.

[0026] Embodiment 3:

[0027] The solar photovoltaic panel 1 is connected to a charging pile 4 through a wire. The charging pile 4 includes a second storage battery 4-1 and a commutation device 4-2. The second storage battery 4-1 is connected to a DC-DC converter 6 and a first storage battery 7 in sequence through a wire through the commutation device 4-2. The first storage battery 7 is located in a trolleybus 2. The trolleybus 2 and the charging pile 4 are both located in a trolleybus garage 3. The second storage battery 4-1 is connected to a mine power grid system 9 and a power distribution device 5 through a wire through the commutation device 4-2. The power distribution device 5 can be remotely controlled. The circuit flow direction of the terminal heating equipment is adjusted by the process communication control, and the current is selectively transmitted to the power-consuming equipment terminal 10. A capacitive sensor 8 is also arranged in the charging pile 4. The capacitive sensor 8 is connected between the DC-DC converter 6 and the commutation device 4-2. The capacitive sensor 8 is used to detect the power of the first battery 7. The charging pile 4 is also electrically connected to an intelligent operation platform, and the power of the charging pile 4 can be remotely detected through wireless communication equipment, and then the charging pile 4 can be remotely controlled to charge and discharge to the target. The intelligent operation platform is electrically connected to the capacitive sensor 8.

[0028] The first storage battery 7 is a double-layer supercapacitor, which has the characteristics of high power, long life, large charging current, good safety and low maintenance workload.

[0029] The power consumption equipment terminal 10 includes wellhead antifreeze unit equipment, plant area heat pump unit and hot water heating system. The power consumption equipment terminal 10 can be divided according to the heating season. For example, in the heating season, the imported antifreeze air heating unit equipment and the heat pump system are given priority to be powered; in the non-heating season, there is no need to power the seasonally targeted heating equipment, and other heating systems such as the plant area bath hot water heating system can be powered according to actual needs.

[0030] The electricity generated by the solar photovoltaic panel 1 is used to charge the charging pile 4 through the wire. The second battery 4-1 charges the first battery 7 through the switching device 4-2 through the wire and the DC-DC converter 6. The capacitive sensor 8 monitors the power level of the first battery 7. When the first battery 7 is full, the charging pile 4 stops charging the first battery 7. The solar photovoltaic panel 1 will continue to generate electrical energy, and the excess electricity will be incorporated into the mine power grid system 9 and the power equipment terminal 10 through the wire, and serve as an auxiliary power supply source to power the remaining power equipment. The intelligent operation platform can manually and remotely control the direction of power transmission, or the intelligent operation platform can automatically switch when the conditions are met.

[0031] At night, when the electricity consumption of the site is at a low point, if there is still surplus power in the first storage battery 7, the first storage battery 7 is discharged through the DC-DC converter 6;

[0032] During the discharge period, no less than 1 / 3 of the total number of rubber-tyred trolleybuses 2 in the garage must be fully charged for emergency response of the mine power grid system 9.

[0033] At night, the surplus electricity discharged by the first storage battery 7 is transmitted to the power distribution equipment 5 through the conductor through the switching device 4-2 to preferentially supply power to the wellhead antifreeze unit equipment and actively supply power to the terminal 10 of the daily operation of the field heat pump unit and other electrical equipment.

Claims

1. A device for utilizing surplus electricity of electric energy storage for trackless rubber-tyred trams, characterized in that: The invention comprises a solar photovoltaic panel (1), wherein the solar photovoltaic panel (1) is connected to a charging pile (4) via a wire, wherein the charging pile (4) is sequentially connected to a DC-DC converter (6) and a first storage battery (7) via a wire, wherein the first storage battery (7) is located in a rubber-wheeled trackless vehicle (2), wherein the charging pile (4) is respectively connected to a mine power grid system (9) and a power distribution device (5) via a wire, wherein the power distribution device (5) is connected to a useful power device terminal (10) via a wire, and wherein a capacitive sensor (8) is also arranged in the charging pile (4).

2. The device for utilizing surplus electricity of electric energy storage for trackless rubber-tyred tram according to claim 1 is characterized in that: The charging pile (4) comprises a second storage battery (4-1) and a reversing device (4-2); The second storage battery (4-1) is connected to a mine power grid system (9) and an electric equipment terminal (10) via a commutation device (4-2); The capacitive sensor (8) is connected between the DC-DC converter (6) and the commutation device (4-2).

3. The device for utilizing surplus electricity of electric energy storage for trackless rubber-tyred tram according to claim 1, characterized in that: The charging pile (4) is also electrically connected to an intelligent operating platform, and the intelligent operating platform is electrically connected to the capacitive sensor (8).

4. The device for utilizing surplus electricity of electric energy storage for trackless rubber-tyred tram according to claim 1, characterized in that: The first storage battery (7) is a double-layer supercapacitor.

5. The device for utilizing surplus electricity of electric energy storage for trackless rubber-tyred tram according to claim 1, characterized in that: The electrical equipment terminal (10) comprises a wellhead antifreeze unit, a plant area heat pump unit and a hot water heating system.

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