Methanol fuel hybrid power loader system

Abstract

The utility model provides a methanol fuel hybrid power loader system, which belongs to the technical field of loaders and comprises a loader body, the loader body comprises a walking motor, the walking motor is in driving connection with a gearbox, and the gearbox is connected with a walking device; a hydraulic motor; the hydraulic motor is in driving connection with the working pump; the methanol range extender is used for generating electricity; the methanol range extender is electrically connected with the walking motor and the hydraulic motor. The methanol range extender is electrically connected with the power battery, and the power battery is electrically connected with the walking motor and the hydraulic motor; and the controller is in control connection with the methanol range extender, the walking motor, the hydraulic motor and the power battery. According to the methanol range extender, electricity is generated through methanol, the power battery is arranged, redundant electricity generated by methanol is transmitted to the power battery when the working condition is light, electricity is supplemented by the power battery when the working condition is heavy and the electricity generating capacity cannot be met, and therefore the loading machine can meet various application scenes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of loader, specifically relates to a methanol fuel hybrid power loader system. BACKGROUND

[0002] The existing fuel loader has single energy structure, is non-renewable energy, has high cost and serious pollution, and the pure electric loader has insufficient endurance and limited charging.

[0003] Methanol is an important basic chemical raw material and a recognized clean energy in liquid fuel that can realize large-scale application. With the development of methanol traction vehicles and wide-body vehicles, the introduction of methanol fuel loaders will form a methanol ecology to meet the demand of the methanol market for engineering machinery. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems existing in the prior art, a methanol fuel hybrid power loader system is provided.

[0005] The technical scheme for solving the technical problem of the utility model is as follows: a methanol fuel hybrid power loader system, comprising a loader body, characterized in that the loader body comprises:

[0006] A walking motor, the walking motor is drivingly connected with a gearbox, and the gearbox is connected with a walking device;

[0007] A hydraulic motor; the hydraulic motor is drivingly connected with a working pump;

[0008] A methanol range extender for power generation; the methanol range extender is electrically connected with the walking motor and the hydraulic motor respectively;

[0009] A power battery, the methanol range extender is electrically connected with the power battery, and the power battery is electrically connected with the walking motor and the hydraulic motor respectively;

[0010] A controller, the controller is control-connected with the methanol range extender, the walking motor, the hydraulic motor and the power battery respectively.

[0011] Preferably, the methanol range extender is connected with a methanol supply system;

[0012] The methanol supply system comprises a methanol tank, the methanol tank is connected with the input end of a methanol pump, a primary filter for preliminary filtration is arranged between the methanol tank and the methanol pump; the output end of the methanol pump is connected with the input end of a methanol pressure regulating valve, the output end of the methanol pressure regulating valve is connected with a secondary filter for secondary filtration, and the methanol filtered by the secondary filter is supplied to the methanol range extender through a methanol oil rail.

[0013] Preferably, the methanol supply system further comprises a drain electromagnetic valve; the methanol pressure regulating valve and the secondary filter are connected with the drain electromagnetic valve, and the drain electromagnetic valve supplies the drained methanol back to the methanol tank.

[0014] Preferably, the methanol range expander is also connected to the fuel supply system;

[0015] The fuel supply system comprises a gasoline tank, the outlet of the gasoline tank is connected to a gasoline pump, the output end of the gasoline pump is connected to a first filter, gasoline filtered by the first filter is sprayed into the methanol range expander by a gasoline common rail injector; a gasoline pressure regulating valve is further arranged between the first filter and the gasoline common rail injector.

[0016] Preferably, an evaporation recovery system is further arranged, the evaporation recovery system comprises a carbon tank, the methanol tank and the gasoline tank are connected to the carbon tank, the carbon tank is connected to a tank electromagnetic valve, the tank electromagnetic valve is connected to an intake manifold, the intake manifold is further connected to a second filter, the intake manifold mixes and delivers air and gas evaporated from the methanol tank or the gasoline tank into the methanol range expander.

[0017] Preferably, a second filter is further arranged on the intake manifold.

[0018] Preferably, the traveling device comprises a transmission shaft, the transmission shaft is connected to a gearbox; the two ends of the transmission shaft are respectively connected to a front drive axle and a rear drive axle.

[0019] Preferably, the loader body further comprises a heat dissipation device, the heat dissipation device comprises a fan and a water pump, the fan can dissipate heat for the controller; the water pump can dissipate heat for the methanol range expander, the traveling motor, the hydraulic motor and the gearbox, and the heat dissipation device is in control connection with the controller.

[0020] Preferably, a battery thermal manager is further arranged on the power battery.

[0021] Preferably, a high-voltage distribution box is further arranged, the high-voltage distribution box is arranged between the methanol range expander and the power battery, the high-voltage distribution box is provided with a charging port, and the power battery can be charged through the high-voltage distribution box.

[0022] Compared with the prior art, the above technical scheme has the following advantages or beneficial effects:

[0023] 1. The methanol range expander is arranged, the loader is driven to run by methanol, electricity is generated by methanol, and a power battery is arranged, so that when the working condition is lighter, the excess electricity generated by the methanol is transmitted to the power battery, and when the power generation cannot meet the requirement when the working condition is heavier, the power battery is used for power compensation, so that the loader can meet various application scenarios and energy consumption is reduced.

[0024] 2. In addition to the methanol supply system for supplying methanol by the methanol range expander, a fuel supply system is further arranged, so as to solve the problem that it is difficult to start the methanol range expander by methanol at low temperature, and the practicability of the loader is improved.

[0025] 3. The utility model also sets up evaporation recovery system, because gasoline and methanol are all high volatile liquid, therefore sets up evaporation recovery system can reduce the energy consumption caused by evaporation, improves conversion rate. BRIEF DESCRIPTION OF DRAWINGS

[0026] The drawings accompanying the specification of this utility model form a part of the disclosure, serve to further provide an understanding of the utility model, and together with the illustrative embodiments of the utility model and their description serve to explain the utility model, and do not constitute an inappropriate limitation on the utility model.

[0027] Figure 1 It is the system diagram of the utility model.

[0028] Figure 2 It is the schematic diagram of walking device.

[0029] Figure 3 It is the system diagram of methanol supply system, fuel supply system and evaporation recovery system.

[0030] Figure 4 It is the system diagram of heat dissipation device.

[0031] BRIEF DESCRIPTION OF DRAWINGS:

[0032] 1, walking device;101, front drive axle;102, transmission shaft;103, rear drive axle;2, gearbox;3, walking motor;4, methanol range extender;5, controller;6, hydraulic motor;7, working pump;8, power battery;9, battery thermal manager;10, high-voltage distribution box;11, methanol supply system;111, methanol tank;112, coarse filter;113, methanol pump;114, methanol pressure regulating valve;115, fine filter;116, methanol oil rail;117, oil drain solenoid valve;12, fuel supply system;121, gasoline tank;122, gasoline pump;123, first filter;124, gasoline pressure regulating valve;125, gasoline common rail oil injector;13, evaporation recovery system;131, carbon tank;132, tank solenoid valve;133, intake manifold;134, second filter;14, heat dissipation device;141 fan;142, water pump. DETAILED DESCRIPTION

[0033] For the purpose of clearly illustrating the technical features of the present application, the present application will be described in detail below with specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples to implement the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. In addition, the present application can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present application omits the description of known components and processing techniques and processes to avoid unnecessary limitation of the present application. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be a fixed connection, or a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] Embodiment one:

[0035] Please refer to Figure 1 , Figure 3 and Figure 4 In the present embodiment, a methanol fuel hybrid loader system is provided, comprising a loader body, the loader body comprising:

[0036] A walking motor 3 is drivingly connected with a gearbox 2, and the gearbox 2 is connected with a walking device 1; the walking device 1 comprises a transmission shaft 102, and the transmission shaft 102 is connected with the gearbox 2; the two ends of the transmission shaft 102 are respectively connected with a front drive axle 101 and a rear drive axle 103.

[0037] A hydraulic motor 6; the hydraulic motor 6 is drivingly connected with a working pump 7, and the working pump 7 is used to drive the loader to realize the loader function;

[0038] A methanol range extender 4 for generating electricity; the methanol range extender 4 is electrically connected with the walking motor 3 and the hydraulic motor 6 respectively;

[0039] The power battery 8 is electrically connected with the methanol range extender 4, and the power battery 8 is electrically connected with the traveling motor 3 and the hydraulic motor 6 respectively; the power battery 8 is further connected with the battery thermal manager 9, and the effect of protecting the battery is achieved by monitoring the temperature of the battery. The high-voltage distribution box 10 is further included, which is arranged between the methanol range extender 4 and the power battery 8, and the high-voltage distribution box 10 is provided with a charging port, and the power battery 8 can be charged through the high-voltage distribution box 10.

[0040] The controller 5 is in control connection with the methanol range extender 4, the traveling motor 3, the hydraulic motor 6 and the power battery 8 respectively.

[0041] In the embodiment, the loader body further includes the heat dissipation device 14, which includes the fan 141 and the water pump 142, the fan 141 can dissipate heat for the controller 5, and the water pump 142 can dissipate heat for the methanol range extender 4, the traveling motor 3, the hydraulic motor 6 and the gearbox 2, and the heat dissipation device 14 is in control connection with the controller 5, and the heat dissipation device 14 is controlled by the controller 5.

[0042] The methanol range extender 4 generates electricity by burning methanol, part of which is output through the traveling motor 3, and the torque is transmitted to the traveling device 1 through the gearbox 2 for driving; another part drives the working pump 7 through the hydraulic motor 6 to work and steer; in this working process, the methanol range extender 4 generates electricity according to the working condition to match the appropriate power, such as the working condition is lighter, the excess electricity is transmitted to the power battery 8, and if the working condition is heavier, the power battery 8 will be powered. In this working process, the controller 5 controls the methanol range extender 4, the power battery 8, the motor and the heat dissipation device 14; the heat dissipation device 14 dissipates heat for the methanol range extender 4, the hydraulic motor 6, the traveling motor 3 and the control device.

[0043] Embodiment two:

[0044] Please refer to Figure 2 Firstly, in the embodiment, in order to solve the problem of difficult starting of the methanol range extender 4 by methanol fuel at a lower temperature, a system for supplying energy to the methanol range extender 4 by two supply systems is designed, the fuel supply system 12 is used to start the methanol range extender 4 when the temperature of the methanol range extender 4 is lower than 25℃, and the methanol fuel supply system is used when the temperature of the methanol range extender 4 reaches 25℃.

[0045] The methanol range expander 4 is connected with the methanol supply system 11 and the fuel supply system 12; the methanol supply system 11 comprises a methanol tank 111, the input end of a methanol pump 113 is connected with the methanol tank 111, and a primary filter 112 for preliminary filtration is arranged between the methanol tank 111 and the methanol pump 113; the output end of the methanol pump 113 is connected with the input end of a methanol pressure regulating valve 114, the output end of the methanol pressure regulating valve 114 is connected with a secondary filter 115 for secondary filtration, and the methanol filtered by the secondary filter 115 is supplied into the methanol range expander 4 through a methanol rail 116. The methanol supply system 11 further comprises a drain electromagnetic valve 117; the methanol pressure regulating valve 114 and the secondary filter 115 are connected with the drain electromagnetic valve 117, and the drain electromagnetic valve 117 supplies the drained methanol back to the methanol tank 111.

[0046] The fuel supply system 12 comprises a gasoline tank 121, the outlet of the gasoline tank 121 is connected with a gasoline pump 122, the output end of the gasoline pump 122 is connected with a first filter 123, and the gasoline filtered by the first filter 123 is sprayed into the methanol range expander 4 by a gasoline common rail injector 125; a gasoline pressure regulating valve 124 is further arranged between the first filter 123 and the gasoline common rail injector 125.

[0047] In addition, since the methanol and the gasoline are both high-volatility liquids, in the embodiment, an evaporation recovery system 13 is further arranged, the evaporation recovery system 13 comprises a carbon tank 131, the methanol tank 111 and the gasoline tank 121 are both connected with the carbon tank 131, the carbon tank 131 is connected with a tank electromagnetic valve 132, the tank electromagnetic valve 132 is connected with an intake manifold 133, the intake manifold 133 is further connected with a second filter 134, and the intake manifold 133 conveys the air and the gas evaporated from the methanol tank 111 or the gasoline tank 121 into the methanol range expander 4. The gas evaporated from the methanol tank 111 and the gasoline tank 121 is adsorbed by the carbon tank 131 in the evaporation system, and the excess gas is supplied into the intake manifold 133 to be combusted again, so as to improve the power generation efficiency and reduce the energy consumption.

[0048] Although the specific embodiments of the utility model are described in combination with the drawings, the description is not a limitation on the protection scope of the utility model, and various modifications or changes made by the person skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A methanol fuel hybrid loader system, comprising a loader body, characterized in that: The loader body includes: A travel motor (3), the travel motor (3) is drivingly connected to the gearbox (2), and the gearbox (2) is connected to the travel device (1); Hydraulic motor (6); the hydraulic motor (6) is drivingly connected to the working pump (7); A methanol range extender (4) for power generation; the methanol range extender (4) is electrically connected to the travel motor (3) and the hydraulic motor (6); The power battery (8) is electrically connected to the methanol range extender (4) and the power battery (8), and the power battery (8) is electrically connected to the travel motor (3) and the hydraulic motor (6); A controller (5) is respectively connected to the methanol range extender (4), the travel motor (3), the hydraulic motor (6) and the power battery (8).

2. The methanol fuel hybrid loader system according to claim 1, characterized in that: The methanol range extender (4) is connected to the methanol supply system (11); The methanol supply system (11) includes a methanol tank (111), which is connected to the input end of a methanol pump (113), and a coarse filter (112) for preliminary filtration is provided between the methanol tank (111) and the methanol pump (113); the output end of the methanol pump (113) is connected to the input end of a methanol pressure regulating valve (114), and the output end of the methanol pressure regulating valve (114) is connected to a fine filter (115) for secondary filtration. The methanol filtered by the fine filter (115) is supplied to the methanol range extender (4) through a methanol oil rail (116).

3. The methanol fuel hybrid loader system according to claim 2, characterized in that: The methanol supply system (11) further includes an oil drain solenoid valve (117); the methanol pressure regulating valve (114) and the fine filter (115) are both connected to the oil drain solenoid valve (117), and the oil drain solenoid valve (117) supplies the drained methanol back to the methanol tank (111).

4. The methanol fuel hybrid loader system according to claim 2, characterized in that: The methanol range extender (4) is also connected to a fuel supply system (12); The fuel supply system (12) includes a gasoline tank (121), the outlet of the gasoline tank (121) is connected to a gasoline pump (122), the output end of the gasoline pump (122) is connected to a first filter (123), and the gasoline is filtered by the first filter (123) and then injected into the methanol range extender (4) by a gasoline common rail injector (125); a gasoline pressure regulating valve (124) is also provided between the first filter (123) and the gasoline common rail injector (125).

5. The methanol fuel hybrid loader system according to claim 4, characterized in that: An evaporation recovery system (13) is also provided. The evaporation recovery system (13) includes a carbon canister (131). The methanol tank (111) and the gasoline tank (121) are both connected to the carbon canister (131). The carbon canister (131) is connected to a tank solenoid valve (132). The tank solenoid valve (132) is connected to an intake manifold (133). The intake manifold (133) is also connected to a second filter (134). The intake manifold (133) mixes air and gas evaporated from the methanol tank (111) or the gasoline tank (121) and transmits the mixture to the methanol range extender (4).

6. The methanol fuel hybrid loader system according to claim 1, characterized in that: The traveling device (1) comprises a transmission shaft (102), which is connected to the gearbox (2); two ends of the transmission shaft (102) are respectively connected to the front drive axle (101) and the rear drive axle (103).

7. The methanol fuel hybrid loader system according to claim 1, characterized in that: The loader body further includes a heat dissipation device (14), which includes a fan (141) and a water pump (142). The fan (141) can dissipate heat for the controller (5); the water pump (142) can dissipate heat for the methanol range extender (4), the travel motor (3), the hydraulic motor (6) and the gearbox (2). The heat dissipation device (14) is control-connected to the controller (5).

8. The methanol fuel hybrid loader system according to claim 1, characterized in that: The power battery (8) is also connected to a battery thermal manager (9).

9. The methanol fuel hybrid loader system according to claim 1, characterized in that: It also includes a high-voltage distribution box (10), which is arranged between the methanol range extender (4) and the power battery (8). The high-voltage distribution box (10) is provided with a charging port, and the power battery (8) can be charged through the high-voltage distribution box (10).

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