New energy vehicle-mounted charging unit

Abstract

The utility model relates to a new energy vehicle-mounted charging unit which comprises a box body, an oil tank is arranged at the bottom of the box body, a diesel engine is arranged on the oil tank, an oil inlet of the diesel engine communicates with the oil tank, an electronic oil pump is further arranged on the oil tank in a communicating mode, and a generator is further arranged on one side of the diesel engine. The power generator is in transmission connection with the diesel engine, a cooling fan is further arranged on the side, away from the diesel engine, of the power generator, a cooling cavity is formed in the side, away from the power generator, of the cooling fan, the upper side and the lower side of the cooling cavity are open, heat insulation cotton is arranged in the cooling cavity, and a silencer is further embedded in the heat insulation cotton. And the exhaust outlet of the diesel engine is communicated with the silencer. The LED lamp has the advantages of being simple in structure, good in heat dissipation effect and low in noise.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle-mounted charging, and in particular to a new energy vehicle-mounted charging unit. Background Art

[0002] At present, with the popularity of new energy vehicles, the demand for on-board charging equipment in outdoor and long-distance driving scenarios is increasing. However, due to the limitation of battery storage capacity, the problem of low mileage of electric vehicles is difficult to solve, and the users of electric vehicles are also limited in their range.

[0003] In the related art, in order to improve the endurance of new energy vehicles in the wild or long-distance driving scenarios, a charging unit is placed in the vehicle if necessary. The charging unit generally includes a diesel engine and a generator, and the diesel engine and the generator are connected by transmission.

[0004] With regard to the above-mentioned related technologies, the charging unit has the problems of complex structure, high noise and poor heat dissipation effect. Summary of the invention

[0005] In order to simplify the structure of the charging unit, reduce noise and improve heat dissipation, the present application provides a new energy vehicle-mounted charging unit.

[0006] The present application provides a new energy vehicle-mounted charging unit that adopts the following technical solution:

[0007] A new energy vehicle-mounted charging unit comprises a box body, a fuel tank is arranged at the bottom of the box body, a diesel engine is arranged on the fuel tank, the fuel inlet of the diesel engine is connected to the fuel tank, an electronic fuel pump is also connected to the fuel tank, a generator is also arranged on one side of the diesel engine, the generator is transmission-connected to the diesel engine, a cooling fan is also arranged on the side of the generator away from the diesel engine, a cooling cavity is arranged on the side of the cooling fan away from the generator, the cooling cavity is open on both the upper and lower sides, heat insulation cotton is arranged in the heat insulation cotton, a muffler is also buried in the heat insulation cotton, and the diesel engine exhaust port is connected to the muffler.

[0008] By adopting the above technical solution, the diesel engine, generator, electronic oil pump and cooling system are integrated into one box, achieving a compact structure and functional integration. The electronic oil pump can accurately control the fuel delivery volume to ensure the stable operation of the diesel engine; the design of the cooling fan and the cooling cavity can effectively dissipate the heat generated by the diesel engine and generator, improving the cooling efficiency of the system; the setting of the thermal insulation cotton and the muffler greatly reduces the noise during the operation of the equipment and improves the comfort of the use environment.

[0009] Preferably, a frame body is further provided on the fuel tank. The frame body includes a bottom beam and shock-absorbing brackets. At least four shock-absorbing brackets are provided. A connecting beam is fixed between the four shock-absorbing brackets. The diesel engine and the generator are fixed on the connecting beam.

[0010] By adopting the above technical solution, the frame body is fixed on the fuel tank, and the bottom beam and the shock-absorbing brackets are used to support the diesel engine and the generator, thereby improving the space utilization rate and the stability of the diesel engine and the generator. The design of the shock-absorbing brackets can effectively reduce the vibration generated during the operation of the diesel engine and reduce the influence of the vibration on other components of the unit, thereby improving the stability and service life of the entire system.

[0011] Preferably, the shock-absorbing bracket includes a base. The lower side of the base is fixed on the bottom beam. A support frame is provided on the base. The support frame slides along the vertical direction with respect to the base. An elastic member is provided between the support frame and the base.

[0012] By adopting the above technical solution, during vibration, the support frame can slide along the vertical direction, and the elastic member can absorb the vertical vibration and impact force generated during the operation of the diesel engine, effectively preventing the vibration from being transmitted to the box body, and at the same time helping to reduce the vibration noise during the operation of the equipment, improving the operation stability and durability of the equipment.

[0013] Preferably, a sliding groove is formed on the base. Elastic pads are attached to the side walls of the sliding groove. The circumferential sides of the support frame in the horizontal direction are all pressed against the elastic pads. The support frame is embedded in the sliding groove and slides along the vertical direction.

[0014] By adopting the above technical solution, the sliding groove helps to limit the support frame and guide the support frame during vertical sliding. At the same time, the elastic pads help to reduce the friction and vibration between the support frame and the sliding groove.

[0015] Preferably, a carbon canister is also connected and provided on the fuel tank. The outer shell of the carbon canister is fixed inside the tank.

[0016] By adopting the above technical solution, a carbon canister is connected and provided on the fuel tank. The fuel vapor is adsorbed by the carbon canister, reducing the emission of volatile organic compounds in the fuel tank and improving the environmental protection performance of the equipment.

[0017] Preferably, a battery and a voltage regulator are respectively provided on both sides of the diesel engine.

[0018] By adopting the above technical solution, the battery can instantaneously store a small part of the electric energy generated by the generator. When starting the diesel engine and the generator, the battery can provide starting power, and the voltage regulator adjusts the voltage to reduce frequent voltage fluctuations.

[0019] Preferably, an output box is provided on one side of the box body. The output box is electrically connected to the generator. A fuel filling pipe is also provided on one side of the box body. One end of the fuel filling pipe in the direction of its own axis penetrates through the box body, and the other end is communicated with the fuel tank.

[0020] By adopting the above technical solution, the output box facilitates the user to electrically connect the charging unit and the new energy vehicle or other devices to be charged, facilitating circuit transmission. The fuel filling pipe facilitates the staff to fill the fuel tank with fuel.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. By integrating functional components such as a diesel engine, a generator, an electronic oil pump, a heat dissipation system, and a voltage regulator in a box body, the new energy vehicle-mounted charging unit achieves the effects of compact structure and functional integration. By fixing the diesel engine and the generator on a frame body provided with shock-absorbing brackets, vibrations can be effectively absorbed and the influence of vibrations on other components can be reduced, improving the stability and service life of the equipment. At the same time, the frame body is installed on the fuel tank, optimizing the space utilization rate, enabling the equipment to realize multi-functional integrated application in a limited vehicle-mounted space;

[0023] 2. Through the heat dissipation fan, the heat insulation cotton, and the muffler embedded in the heat insulation cotton, it helps to improve the heat dissipation efficiency of the entire charging unit, ensuring the stable operation of the diesel engine and the generator under high load;

[0024] 3. The carbon canister helps to adsorb the fuel vapor volatilized from the fuel tank, reducing the emission of volatile organic compounds. It can not only improve the fuel utilization rate, reduce fuel waste, but also significantly reduce the environmental pollution and improve the environmental protection performance of the equipment. Description of the Drawings

[0025] Figure 1 is an isometric schematic diagram mainly showing the external structure of the new energy vehicle-mounted charging unit in the embodiment of the present application;

[0026] Figure 2 is an isometric schematic diagram mainly showing the bottom structure of the new energy vehicle-mounted charging unit in the embodiment of the present application;

[0027] Figure 3 is an isometric schematic diagram mainly showing the internal structure of the new energy vehicle-mounted charging unit in the embodiment of the present application;

[0028] Figure 4 is an isometric schematic diagram mainly showing the structures on the fuel tank in the embodiment of the present application;

[0029] Figure 5 is an isometric schematic diagram mainly showing the partial structure of the frame body in the embodiment of the present application;

[0030] Figure 6 It is an axonometric schematic diagram mainly showing the shock-absorbing bracket structure in the embodiment of the present application.

[0031] Figure numerals: 1, box body; 11, partition; 12, heat dissipation cavity; 121, support ear; 13, refueling port; 14, output box; 15, mounting frame; 16, inspection door; 17, vent; 2, fuel tank; 21, refueling pipe; 22, vent pipe; 23, oil outlet pipe; 3, frame; 31, bottom beam; 32, cross beam; 33, support beam; 34, cushion block; 4, shock-absorbing bracket; 41, base; 411, sliding slot; 412, elastic pad; 413, anti-skid pad; 42, limit bolt; 43, support frame; 431, waist-shaped slot; 432, adjusting stud; 433, locking nut; 44, fixing block; 441, adjusting nut; 45, spring; 46, positioning pad; 5, diesel engine; 51, exhaust pipe; 52, muffler; 521, exhaust pipe; 6, generator; 7, cooling fan; 8, carbon canister; 9, battery. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-6 This application is described in further detail.

[0033] The embodiment of the present application discloses a new energy vehicle-mounted charging unit.

[0034] See also Figure 1-Figure 3 The new energy vehicle-mounted charging unit includes a box body 1, a fuel tank 2 is fixed at the bottom of the box body 1, a heat dissipation cavity 12 is formed on one side of the length direction of the fuel tank 2, and a diesel engine 5 is arranged on the side of the fuel tank 2 away from the heat dissipation cavity 12 in the length direction. A refueling port 13 is provided on the box body 1, and a refueling pipe 21 is connected to the fuel tank 2, and the refueling pipe 21 is connected to the refueling port 13, and a vent pipe 22 is connected to the refueling pipe 21. The fuel tank 2 is also connected to an oil outlet pipe 23, which is connected to the diesel engine 5. An electronic oil pump is fixed in the box body 1, and the electronic oil pump is connected to the oil outlet pipe 23.

[0035] See also Figure 3 , Figure 4, a generator 6 is also provided between the diesel engine 5 and the heat dissipation cavity 12, and the generator 6 is in transmission connection with the diesel engine 5. A heat dissipation fan 7 is provided on the side of the generator 6 facing away from the diesel engine 5. The rotation axis of the heat dissipation fan 7 is parallel to the length direction of the box body 1, and the heat dissipation fan 7 points to the heat dissipation cavity 12. A battery 9 and a voltage regulator are also fixed on the fuel tank 2. The battery 9 and the voltage regulator are in telecommunication connection, and the battery 9 is in telecommunication connection with the diesel engine 5 and the generator 6. The battery 9 and the voltage regulator are arranged on both sides of the diesel engine 5 along the width direction of the box body 1. An output box 14 is also fixed on the box body 1, and the output box 14 is in telecommunication connection with the generator 6. In actual work, the staff connects the electrical equipment to the output box 14, controls the discharge of the battery 9, thereby controlling the start of the diesel engine 5. The diesel engine 5 drives the internal rotor of the generator 6 to rotate, thereby converting mechanical energy into electrical energy, and supplying electrical energy to the electrical equipment through the output box 14.

[0036] See Figure 5 , Figure 6 , a frame body 3 is fixed on the shell of the fuel tank 2. The frame body 3 includes a bottom beam 31, the bottom beam 31 is horizontally arranged, the length direction of the bottom beam 31 is parallel to the width direction of the box body 1, and a shock absorption bracket 4 is arranged at one end of the length direction of the bottom beam 31. The shock absorption bracket 4 includes a base 41, and an anti-slip pad 413 is also attached to the lower side of the base 41. The base 41 is detachably fixed on the bottom beam 31 by bolts and nuts. A sliding groove 411 is formed on the base 41, and the sliding groove 411 penetrates the base 41 vertically from top to bottom. An elastic pad 412 is attached to the peripheral side surface of the sliding groove 411. A support frame 43 is embedded in the sliding groove 411, and the support frame 43 is slidably matched with the sliding groove 411 vertically. The length direction of the base 41 is parallel to the width direction of the box body 1, and limiting bolts 42 are also arranged on both sides of the length direction of the base 41. The axis direction of any limiting bolt 42 is parallel to the length direction of the base 41, and any limiting bolt 42 penetrates the side wall of the sliding groove 411 from outside to inside.

[0037] A kidney-shaped groove 431 is also formed on the support frame 43. The length direction of the kidney-shaped groove 431 is vertically arranged, and the kidney-shaped groove 431 penetrates the support frame 43 along the length direction of the base 41, and two are formed on the support frame 43. Any one of the limiting bolts 42 is arranged in the kidney-shaped groove 431 along its own axis direction, and the limiting bolt 42 is slidably matched with the corresponding kidney-shaped groove 431 vertically. In the working state, the cooperation between the kidney-shaped groove 431 and the limiting bolt 42 helps to ensure the vertical sliding of the support frame 43.

[0038] A spring 45 is arranged inside the support frame 43. The axis direction of the spring 45 is vertically arranged. A positioning pad 46 is fixed on the base 41, and the lower end of the spring 45 is embedded in the positioning pad 46. A positioning block is arranged at the upper end of the spring 45, and the upper end of the spring 45 is embedded in the fixed block 44. An adjusting stud 432 is arranged on the fixed block 44. The axis direction of the adjusting stud 432 is vertically arranged. The adjusting stud 432 penetrates through the support frame 43 along its own axis direction and is fixedly connected with the support frame 43. An adjusting nut 441 is arranged on the fixed block 44. The adjusting nut 441 is rotatably connected with the fixed block 44. The adjusting stud 432 penetrates through the fixed block 44 along the vertical direction. The fixed block 44 is in sliding fit with the adjusting stud 432 along the vertical direction. The adjusting stud 432 is in threaded connection with the adjusting nut 441. The staff can change the relative position of the adjusting nut 441 on the adjusting stud 432 by rotating the adjusting nut 441, so as to change the relative position between the fixed block 44 and the adjusting stud 432, and further change the compression amount of the spring 45.

[0039] A connecting beam is further arranged on the shock-absorbing support 4. The connecting beam includes a cross beam 32 and a support beam 33. The length direction of the cross beam 32 is parallel to the length direction of the bottom beam 31. One end of the shock-absorbing support 4 in the length direction of the cross beam 32 is provided. The adjusting stud 432 penetrates through the cross beam 32 on this side along the vertical direction. A locking nut 433 is further sleeved on the adjusting stud 432. The locking nut 433 is located on the upper side of the cross beam 32. The staff sleeves the cross beam 32 on the adjusting stud 432 and tightens the locking nut 433, so that the cross beam 32 is relatively fixed with the shock-absorbing cross beam 32.

[0040] One shock-absorbing support 4 is arranged at each end of the cross beam 32. Two cross beams 32 are arranged at intervals along the length direction of the box body 1. A support beam 33 is arranged between the two cross beams 32. The support beam 33 is horizontally arranged. The length direction of the support beam 33 is parallel to the length direction of the box body 1. Both ends of the support beam 33 are fixedly connected with the two cross beams 32 respectively. Two support beams 33 are arranged at intervals along the length direction of the cross beam 32.

[0041] According to the different heights of the diesel engine 5, a cushion block 34 is further fixed on the connecting beam. The diesel engine 5 is fixed on the cushion block 34. The generator 6 is also fixed on the connecting beam.

[0042] See Figure 3 、 Figure 4 , a partition 11 is arranged inside the box body 1. The thickness direction of the partition 11 is parallel to the length direction of the box body 1. A heat dissipation cavity 12 is formed on the side of the partition 11 facing away from the diesel engine 5. A heat dissipation fan 7 is fixed on the partition 11. A plurality of lugs 121 are evenly spaced and fixed on the side wall of the heat dissipation cavity 12. Heat insulation cotton is arranged inside the heat dissipation cavity 12. The heat insulation cotton is fixed inside the heat dissipation cavity 12 through the plurality of lugs 121. The muffler 52 is fixed on the partition 11 through an ear plate.

[0043] A silencer 52 is embedded in the heat dissipation cavity 12. An exhaust pipe 51 is connected to the exhaust vent on the diesel engine 5, and the exhaust pipe 51 is connected to the silencer 52. A smoke exhaust pipe 521 is provided on the silencer 52, and the smoke exhaust pipe 521 penetrates through the box body 1 in the vertical direction and extends out of the box body 1.

[0044] See Figure 3 , an installation frame 15 is also fixed on the side wall of the box body 1, and the housing of the electronic oil pump is fixed on the installation frame 15. A carbon canister 8 is also provided on the side wall of the box body 1. The carbon canister 8 is communicated with the fuel tank 2.

[0045] Participate Figure 1 、 Figure 2 , a plurality of ventilation openings 17 are provided on the box body 1, and a plurality of ventilation openings 17 are provided on the upper and lower sides of the heat dissipation cavity 12. A plurality of inspection doors 16 are also provided on the box body 1.

[0046] The implementation principle of an embodiment of a new energy vehicle-mounted charger set in this application is as follows: The staff connects the electrical equipment to the output box 14, controls the battery 9 to discharge, thereby controlling the start of the diesel engine 5. The diesel engine 5 drives the internal rotor of the generator 6 to rotate, converts mechanical energy into electrical energy, and supplies electrical energy to the electrical equipment through the output box 14. The heat dissipation fan 7, the heat insulation cotton in the heat dissipation cavity 12, and the silencer 52 embedded in the heat insulation cotton help to reduce the noise generated by the diesel engine 5, and at the same time help to improve the heat dissipation efficiency of the entire charger set, ensuring the stable operation of the diesel engine 5 and the generator 6 under high load. The frame body 3 fixed on the fuel tank 2, the battery 9 and the voltage regulator help to improve the space utilization rate and integrate the entire charger set in the box body 1. The shock-absorbing bracket 4 helps to reduce the vibration of the diesel engine 5 and the generator 6 during operation, and at the same time helps to reduce the noise generated by the vibration.

[0047] The above are all the preferred embodiments of this application. The protection scope of this application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A new energy vehicle on-board charger unit, characterized in that: The invention comprises a box body (1), wherein an oil tank (2) is arranged at the bottom of the box body (1), a diesel engine (5) is arranged on the oil tank (2), an oil inlet of the diesel engine (5) is connected to the oil tank (2), an electronic oil pump is also arranged on the oil tank (2), a generator (6) is also arranged on one side of the diesel engine (5), the generator (6) is drivingly connected to the diesel engine (5), a cooling fan (7) is also arranged on the side of the generator (6) away from the diesel engine (5), a cooling chamber (12) is arranged on the side of the cooling fan (7) away from the generator (6), the cooling chamber (12) is open at both the upper and lower sides, a heat insulation cotton is arranged in the cooling chamber (12), a muffler (52) is also buried in the heat insulation cotton, and an exhaust port of the diesel engine (5) is connected to the muffler (52).

2. The new energy vehicle-mounted charger unit according to claim 1, wherein: A frame (3) is also provided on the oil tank (2), the frame (3) comprising a bottom beam (31) and a shock-absorbing bracket (4), at least four of the shock-absorbing brackets (4) are provided, a connecting beam is fixed between the four shock-absorbing brackets (4), and the diesel engine (5) and the generator (6) are fixed on the connecting beam.

3. The new energy vehicle-mounted charger unit according to claim 2, characterized in that: The shock-absorbing bracket (4) comprises a base (41), the lower side of the base (41) being fixed on the bottom beam (31), a support frame (43) being arranged on the base (41), the support frame (43) slidingly moving with the base (41) in a vertical direction, and an elastic member being arranged between the support frame (43) and the base (41).

4. The new energy vehicle-mounted charger unit according to claim 3, wherein: A sliding groove (411) is formed on the base (41), and elastic pads (412) are attached to the side walls of the sliding groove (411). The sides of the support frame (43) in the horizontal direction are pressed against the elastic pads (412). The support frame (43) is embedded in the sliding groove (411), and the support frame (43) slides in the vertical direction.

5. The new energy vehicle-mounted charger unit according to claim 1, characterized in that: The oil tank (2) is also connected to a carbon canister (8), and the outer shell of the carbon canister (8) is fixed inside the box body (1).

6. The new energy vehicle-mounted charger unit according to claim 1, wherein: A battery (9) and a voltage regulator are respectively arranged on both sides of the diesel engine (5).

7. The new energy vehicle-mounted charger unit according to claim 1, characterized in that: An output box (14) is provided on one side of the housing (1), and the output box (14) is electrically connected to the generator (6). A refueling pipe (21) is also provided on one side of the housing (1), and one end of the refueling pipe (21) passes through the housing (1) along its own axial direction, and the other end is connected to the oil tank (2).

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