Diesel oil automatic supply device of diesel generating set
By introducing a water pump and a hot air blower into the diesel generator set, combined with the design of an annular liquid tank, the problem of weakened heating effect of the automatic diesel refueling device was solved, achieving efficient diesel heating and cost reduction, and improving the self-operating performance of the diesel generator set.
Patent Information
- Application Number
- CN202423190832.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-24
AI Technical Summary
After prolonged use, impurities in the exhaust gas from the automatic diesel refueling device of existing diesel generator sets will adhere to the surface of the refueling pipe, causing the heating effect to gradually weaken. Furthermore, the conditions for exhaust gas generation are highly restrictive, affecting the diesel combustion effect.
An automatic diesel fuel supply device was designed, including a water pump, a hot air blower, a composite guide pipe, and an annular liquid tank. The water pump pumps diesel fuel to the generator set's fuel tank, while the hot air blower heats the diesel fuel. The hot air is then reused through the annular liquid tank to achieve water bath preheating of the diesel fuel.
It achieves full heating of diesel fuel, reduces operating costs, and facilitates modular replacement in case of structural failure, thereby improving the self-operating performance of the diesel generator set.
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Figure CN223469358U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to diesel generating technology field, concretely is a diesel automatic supply device of diesel generating set. BACKGROUND
[0002] As a kind of small power generation equipment, diesel generator refers to the power machinery that fuel oil is used as fuel, diesel engine is used as prime mover to drive generator to generate electricity, complete unit is generally composed of diesel engine, generator, control box, fuel tank, starting and control battery, protection device, emergency cabinet and other components, it can be specifically used for various families, office, large, medium and small enterprises daily power generation.
[0003] At present, to further improve the self-operation performance of diesel generating set for long time absence, the researchers in the relevant field propose the diesel automatic supply device for assisting diesel generating set, specifically, under suitable trigger condition, actively supply diesel for the diesel automatic supply device lacking oil by using the diesel automatic supply device and the liquid level sensing system of diesel generating set itself oil tank, and to further improve the combustion effect of diesel, the above prior art will also use diesel generating set operation exhaust gas to assist heating of the supply pipeline of diesel automatic supply device.
[0004] However, although the residual heat in exhaust gas can heat diesel to be used in supply pipeline in theory, in reality, impurities in exhaust gas will also gradually adhere to the surface of supply pipeline, and the heating effect is in the trend of the longer the use time, the worse the heating effect, secondly, exhaust gas is generated only when diesel generating set is operated, and the use condition is very limited. INVENTION CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a diesel automatic supply device of diesel generating set, which solves the problems raised in the above background art.
[0006] The utility model provides the following technical scheme: a diesel automatic supply device of diesel generating set, including oil tank, support frame, the top of support frame is equipped with the transition pipe that is connected with the bottom of oil tank, the inside of support frame is equipped with water pump, hot air machine, composite flow guide pipe, the input of water pump is fixedly connected with the bottom of transition pipe, electromagnetic valve pipe is installed between the output of water pump and one end of composite flow guide pipe, and fixed seat is installed between the surface of water pump shell and the inner wall of support frame bottom, and the other end of composite flow guide pipe penetrates the top structure of support frame front end and extends to the outside of support frame;
[0007] The middle part of the composite flow guide pipe is an S-shaped curved structure, and a composite heating sleeve pipe matched with the structure of the composite flow guide pipe is sleeved on the middle part of the composite flow guide pipe, a gas guide pipe is connected between one end of the composite heating sleeve pipe and the output end of the air heater, and the other end of the composite heating sleeve pipe is connected with a first gas conveying pipe.
[0008] The two sides of the support frame are provided with the clearance slots, and the clearance slots are nested with the protective filter screens to provide heat dissipation clearance space for the water pump, the air heater and the like.
[0009] The top of the oil tank is fixedly provided with a liquid supplementing pipe to maintain the sustainable use effect of the oil tank, the open end of the liquid supplementing pipe is externally screwed with a sealing cover, the inner side of the top of the oil tank is sleeved with an electronic liquid level meter and a temperature sensor to detect the liquid level and temperature of diesel oil in the oil tank in real time, and the top of the oil tank is provided with a controller which is electrically connected with the electronic liquid level meter, the temperature sensor, the air heater, the water pump and the electromagnetic valve in the electromagnetic valve pipe through wires.
[0010] The inner side of the front end of the support frame is hingedly provided with a cabinet door through a pin shaft, one side of the cabinet door is provided with a cabinet door lock which can be locked with the inner wall of the oil tank, the cabinet door is used to close the internal space of the support frame to avoid random operation by irrelevant personnel, and the two sides of the bottom of the support frame are fixedly connected with support angle plates.
[0011] The end of the composite flow guide pipe away from the oil tank is a conical structure, and the end of the composite flow guide pipe away from the oil tank is provided with a mounting hole to be connected with the inlet end of the existing diesel generator set oil tank.
[0012] The outer surface of the oil tank is sleeved with a ring-shaped liquid tank, the top of the ring-shaped liquid tank is fixedly connected with a second gas conveying pipe which is communicated with the structure of the ring-shaped liquid tank to provide a further gas discharge channel, one end of the first gas conveying pipe penetrates through the side wall structure of one side of the support frame and is screwed on the side edge of one side of the bottom of the ring-shaped liquid tank, a clearance hole aligned with the end of the first gas conveying pipe is formed on one side of the bottom of the ring-shaped liquid tank, the first gas conveying pipe is used as a transition channel to drain the hot air used in the composite heating sleeve pipe to the liquid pre-placed in the ring-shaped liquid tank, and finally a water bath preheating effect of diesel oil in the oil tank is generated.
[0013] The other side of the bottom of the ring-shaped liquid tank is fixedly sleeved with a liquid discharge valve pipe, the two sides of the bottom of the ring-shaped liquid tank are fixedly connected with support frames, and the bottom of the support frame is fixedly installed on the top of the support frame through screws to improve the use stability of the ring-shaped liquid tank while maintaining the flexible installation effect between the ring-shaped liquid tank and the support frame.
[0014] The selected oil tank is provided with a flange joint aligned with the transition pipe at the bottom of the oil tank, and the flange joint and the top of the transition pipe are also installed through screws, thereby providing convenient conditions for subsequent disassembly and maintenance between the oil tank and the transition pipe.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] 1、The utility model discloses a diesel oil supplement demand to the existing diesel generating set, and the diesel oil in the oil tank can be automatically pumped to the oil tank of the diesel generating set through the transition pipe, the electromagnetic valve pipe and the composite flow guide pipe by setting the water pump, while the oil supplement is pumped, the hot air and the pumped diesel oil are fully contacted through the air guide pipe, the composite heating sleeve pipe and the first gas conveying pipe, the diesel oil is heated, and good conditions are created for subsequent full combustion operation of the diesel oil.
[0017] 2、The utility model discloses that the air internal heat energy of the first gas conveying pipe is secondly utilized through the annular liquid tank and the second gas conveying pipe, and the diesel oil in the oil tank is preheated in the water bath heating mode, and the operation effect that the diesel oil does not need to be heated and directly used can be triggered with the accumulation of the diesel oil heat in the oil tank, and the use cost is reduced.
[0018] 3、The utility model discloses that the structure in the support frame can be modularly replaced after appearing the fault or damage, the screw between the first gas conveying pipe and the annular liquid tank, the screw between the bottom support frame of the annular liquid tank and the top of the support frame and the screw between the oil tank bottom and the transition pipe are detached, the support frame and the structure associated with the support frame can be completely detached, and the new support frame and the structure associated with the support frame can be directly replaced. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the three-dimensional schematic view of the utility model structure;
[0020] Figure 2 It is the front view schematic view of the utility model structure;
[0021] Figure 3 It is the right view schematic view of the hot air blower of the utility model structure;
[0022] Figure 4 It is the local sectional view schematic view of the utility model structure;
[0023] Figure 5 It is the top view schematic view of the utility model structure;
[0024] Figure 6 It is the local sectional view schematic view of the composite heating sleeve pipe of the utility model structure.
[0025] In the figure: 1, oil tank; 2, support frame; 3, transition pipe; 4, water pump; 5, hot air machine; 6, composite flow guide pipe; 7, composite heating sleeve; 8, air guide pipe; 9, first gas conveying pipe; 10, annular liquid tank; 11, second gas conveying pipe; 12, cabinet door; 13, electronic liquid level meter; 14, temperature sensor; 15, controller. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection of the utility model.
[0027] Please refer to Figures 1-6 A diesel automatic replenishing device of a diesel generating set, comprising an oil tank 1 and a support frame 2, the front end inner side of the support frame 2 is hingedly connected with a cabinet door 12 through a pin shaft, one side of the cabinet door 12 is provided with a cabinet door lock capable of being locked with the inner wall of the oil tank 1, the inside of the support frame 2 is closed by the cabinet door 12 to avoid random operation by irrelevant personnel, and support angle plates are fixedly connected to the two sides of the bottom of the support frame 2.
[0028] A transition pipe 3 connected with the bottom of the oil tank 1 is sleeved on the top of the support frame 2, a water pump 4, a hot air machine 5 and a composite flow guide pipe 6 are sleeved in the inside of the support frame 2, the two sides of the support frame 2 are provided with a clearance groove, a protective filter screen is nested in the clearance groove, heat dissipation clearance space is provided for the water pump 4, the hot air machine 5 and other devices, the input end of the water pump 4 is fixedly connected with the bottom of the transition pipe 3, an electromagnetic valve pipe is arranged between the output end of the water pump 4 and one end of the composite flow guide pipe 6, a fixing seat is arranged between the surface of the shell of the water pump 4 and the inner wall of the bottom of the support frame 2, the other end of the composite flow guide pipe 6 penetrates through the top structure of the front end of the support frame 2 and extends to the outside of the support frame 2, the end away from the oil tank 1 of the composite flow guide pipe 6 is in a conical structure, and a mounting hole is formed in the end structure of the end away from the oil tank 1 of the composite flow guide pipe 6 for connecting with the inlet end of the existing oil tank of the diesel generating set.
[0029] The middle part of the composite flow guide pipe 6 is in an S-shaped curved structure, a composite heating sleeve 7 matched with the structure of the composite flow guide pipe 6 is sleeved on the middle part of the composite flow guide pipe 6, an air guide pipe 8 is connected between one end of the composite heating sleeve 7 and the output end of the hot air machine 5, and the other end of the composite heating sleeve 7 is connected with a first gas conveying pipe 9.
[0030] The outer surface of the oil tank 1 is provided with an annular liquid tank 10, and the top of the annular liquid tank 10 is fixedly connected to a second air pipe 11 that is communicated with its own structure, providing a further exhaust channel. One end of the first air pipe 9 passes through the side wall structure of one side of the support frame 2 and is installed on the side of the bottom side of the annular liquid tank 10 by screws, and a clearance hole is opened on one side of the bottom of the annular liquid tank 10 to align with the end of the first air pipe 9. The first air pipe 9 is used as a transition channel to drain the hot air after use inside the composite heating sleeve 7 into the pre-placed liquid in the annular liquid tank 10, and finally produce a water bath preheating effect on the diesel inside the oil tank 1. The other side of the bottom of the annular liquid tank 10 is fixedly sleeved with a drain valve pipe, and both sides of the bottom of the annular liquid tank 10 are fixedly connected to the support frame, and the bottom of the support frame is fixed to the top of the support frame 2 by screws, which improves the stability of the annular liquid tank 10 while maintaining the flexible installation effect between the annular liquid tank 10 and the support frame 2;
[0031] A refilling tube is fixedly installed on the top of the fuel tank 1 to maintain the sustainable use effect of the fuel tank 1. The open port of the refilling tube is externally threadedly connected to a sealing cover. An electronic liquid level gauge 13 and a temperature sensor 14 are installed on the inner side of the top of the fuel tank 1 to detect the liquid level and temperature of the diesel inside the fuel tank 1 in real time. A controller 15 is installed on the top of the fuel tank 1. The controller 15 is electrically connected to the electronic liquid level gauge 13, the temperature sensor 14, the hot air blower 5, the water pump 4, and the solenoid valve in the solenoid valve tube through wires. A flange joint aligned with the transition pipe 3 is provided at the bottom of the fuel tank 1. The flange joint and the top of the transition pipe 3 are also installed with screws, providing convenient conditions for subsequent disassembly and maintenance between the fuel tank 1 and the transition pipe 3.
[0032] Working principle:
[0033] Example 1
[0034] When the liquid level sensor system of the existing diesel generator set's own fuel tank detects that its own fuel is insufficient, it will be wirelessly linked with the controller 15, and then the water pump 4 and the solenoid valve in the solenoid valve pipe will be turned on. The water pump 4 will pump the diesel inside the fuel tank 1 to the inside of the composite guide pipe 6 through the transition pipe 3 and the solenoid valve pipe. At the same time, the hot air blower 5 is also started, and then the hot air blower 5 will transport hot air to the inside of the composite heating sleeve 7 through the air guide pipe 8. As a result, the diesel inside the composite guide pipe 6 will be heated after passing through the area covered by the composite heating sleeve 7, and then transported to the diesel generator set's own fuel tank through the other end of the composite guide pipe 6, creating excellent conditions for the subsequent full combustion of the diesel.
[0035] And the used hot air will enter the water solution placed in the annular liquid tank 10 through the first gas pipe 9, heat the water solution by using the residual heat, and then heat the diesel oil in the oil tank 1 by using the heated water solution in the annular liquid tank 10, thereby optimizing the heating effect of the diesel oil.
[0036] Embodiment two
[0037] When the whole device is operated for a long time according to the above-mentioned embodiment step, and the temperature sensor 14 detects that the diesel oil temperature in the oil tank 1 reaches the specified upper limit, in the further use process, the water pump 4 and the electromagnetic valve in the electromagnetic valve pipe can be started, the diesel oil in the oil tank 1 is pumped into the inside of the composite flow guide pipe 6 by the water pump 4 through the transition pipe 3 and the electromagnetic valve pipe, at the same time, the hot air blower 5 can be in the closed state, the diesel oil is transported to the diesel generator set itself oil tank through the other end of the composite flow guide pipe 6, and the subsequent full combustion demand of the diesel oil is met.
[0038] Embodiment three
[0039] When the structure arranged in the support frame 2 fails or is damaged, the modular replacement can be carried out, the screws between the first gas pipe 9 and the annular liquid tank 10, the screws between the bottom support frame of the annular liquid tank 10 and the top of the support frame 2, and the screws between the bottom of the oil tank 1 and the transition pipe 3 are disassembled, the support frame 2 and the structure associated with the support frame 2 can be completely disassembled, and the new support frame 2 and the structure associated with the support frame 2 can be directly replaced.
[0040] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. In the drawings of the utility model, the filling pattern is only used to distinguish the layers, and is not limited in any other way.
[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A diesel automatic replenishing device for a diesel generator set, comprising an oil tank (1), a supporting frame (2), characterized in that: The top of the support frame (2) is sleeved with a transition pipe (3) connected with the bottom of the oil tank (1), the inside of the support frame (2) is sleeved with a water pump (4), a hot air machine (5) and a composite flow guide pipe (6), the input end of the water pump (4) is fixedly connected with the bottom of the transition pipe (3), an electromagnetic valve pipe is installed between the output end of the water pump (4) and one end of the composite flow guide pipe (6), a fixed seat is installed between the surface of the shell of the water pump (4) and the inner wall of the bottom of the support frame (2), and the other end of the composite flow guide pipe (6) penetrates through the top structure of the front end of the support frame (2) and extends to the outside of the support frame (2). The middle part of the composite flow guide pipe (6) is an S-shaped curved structure, and the middle part of the composite flow guide pipe (6) is sleeved with a composite heating sleeve pipe (7) matched with the structure of the composite flow guide pipe (6), one end of the composite heating sleeve pipe (7) is connected with the output end of the hot air machine (5) through a gas guide pipe (8), and the other end of the composite heating sleeve pipe (7) is connected with a first gas conveying pipe (9).
2. The apparatus according to claim 1, wherein: The two sides of the support frame (2) are provided with a clearance slot, and a protective filter screen is nested in the clearance slot.
3. The apparatus according to claim 1, wherein: A liquid supplement pipe is fixedly installed on the top of the oil tank (1), a sealing cover is threadedly connected to the open end of the liquid supplement pipe, an electronic liquid level meter (13) and a temperature sensor (14) are sleeved on the inner side of the top of the oil tank (1), a controller (15) is installed on the top of the oil tank (1), and the controller (15) is electrically connected with the electronic liquid level meter (13), the temperature sensor (14), the hot air machine (5), the water pump (4) and an electromagnetic valve in the electromagnetic valve pipe through wires.
4. The apparatus according to claim 1, wherein: A cabinet door (12) is hingedly installed on the inner side of the front end of the support frame (2) through a pin shaft, a cabinet door lock capable of being locked with the inner wall of the oil tank (1) is installed on one side of the cabinet door (12), and support angle plates are fixedly connected to the two sides of the bottom of the support frame (2).
5. The apparatus according to claim 1, wherein: The end of the composite flow guide pipe (6) away from the oil tank (1) is a conical structure, and a mounting hole is formed in the end head structure of the end of the composite flow guide pipe (6) away from the oil tank (1).
6. The apparatus according to claim 1, wherein: An annular liquid tank (10) is sleeved on the outer surface of the oil tank (1), a second gas conveying pipe (11) communicating with the structure of the annular liquid tank (10) is fixedly connected to the top of the annular liquid tank (10), one end of the first gas conveying pipe (9) penetrates through the side wall structure of one side of the support frame (2) and is installed on the side edge of one side of the bottom of the annular liquid tank (10) through screws, and a clearance hole aligned with the end head of one end of the first gas conveying pipe (9) is formed in one side of the bottom of the annular liquid tank (10).
7. A diesel refueling apparatus for a diesel generator set according to claim 6, characterized in that: A liquid discharge valve pipe is fixedly sleeved on the other side of the bottom of the annular liquid tank (10), support frames are fixedly connected to the two sides of the bottom of the annular liquid tank (10), and the bottom of the support frame is installed and fixed to the top of the support frame (2) through screws.
8. The apparatus according to claim 1, wherein: A flange joint aligned with the transition pipe (3) is arranged on the bottom of the oil tank (1), and the flange joint and the top of the transition pipe (3) are also installed through screws.