CN211422807U - Multifunctional auxiliary pipeline system for fuel tank of diesel generator car - Google Patents

Abstract

The utility model discloses a multi-functional auxiliary pipe way system of diesel generating set fuel tank, pipe-line system includes generator set and fuel tank that link together through oil supply pipeline, oil return pipeline respectively, the fuel tank is equipped with the self-loopa filtration pipeline, the self-loopa filtration pipeline is established ties in proper order and is had the fuel outlet valve, the oil filter, first ball valve, first fuel feed pump, second flowmeter and oil supplementing valve, merge external fuel feed valve between fuel outlet valve and oil filter, be equipped with the oil return valve on the oil return pipeline, merge reserve oil return valve with between the generator set, be equipped with the fuel feed valve on the oil feed pipeline, first flowmeter, merge reserve fuel feed valve between first flowmeter and the generator set, merge external fuel outlet valve between second flowmeter and the oil supplementing valve; the oil can be supplied to the generator set by the oil filling or storage device of the fuel tank in the vehicle to solve the problem of long-time and high-load uninterrupted power supply of the generator set, and the functions of external oil drainage, self-circulation filtration and external circulation filtration can be realized.

Description

A multifunctional auxiliary pipeline system for the fuel tank of a diesel generator vehicle

technical field

The utility model relates to the technical field of fuel supply systems for generator vehicles, in particular to a multifunctional auxiliary pipeline system for fuel tanks of diesel generator vehicles.

Background technique

With the development of science and technology and the continuous improvement of people's living standards, the application fields of power generation vehicles are becoming more and more extensive, the electricity load is constantly increasing, and the backup time requirements are getting longer and longer. use is becoming more and more popular. The long-term and uninterrupted power supply of the generator car plays an important role in emergency power consumption and power outage repairs in related emergencies such as communications, coal mines, oil fields, disaster relief, emergency rescue, and large-scale events. In order to achieve long-term and high-load power supply requirements, high-power generator vehicles need a large enough fuel tank to continuously supply fuel to the generator. However, high-power diesel generator sets are bulky, and the length and weight of the vehicle are restricted by regulations. The capacity of the fuel tank is limited, which requires us to design a supply pipeline system. When the generator set feedbacks the lack of fuel, the fuel tanker, other fuel storage equipment or auxiliary vehicles with spare fuel are urgently called to keep the external fuel in a non-stop state. Add the on-board fuel tank or directly supply the generator set to ensure that the generator car can provide electricity continuously and stably.

Utility model content

In view of the above-mentioned technical deficiencies, the purpose of this utility model is to provide a multi-functional auxiliary pipeline system for the fuel tank of a diesel generator vehicle, which supplies oil to the generator set by adding fuel to the fuel tank in the vehicle or the bypass oil storage device to solve the problem of the generator set. Long-term, high-load uninterrupted power supply problems, and at the same time, it can realize the functions of oil discharge to the outside, self-circulation filtration, and external circulation filtration.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

The utility model provides a multifunctional auxiliary pipeline system for a fuel tank of a diesel generator vehicle, which comprises a generator set and a fuel tank respectively connected together through an oil supply pipeline and an oil return pipeline, and the fuel tank is provided with a self-circulating filter pipeline. The self-circulating filter pipeline is sequentially connected in series with an oil drain valve, an oil filter, a first ball valve, a first oil supply pump, a second flow meter and an oil replenishment valve along its oil circuit circulation direction. An external oil supply valve is incorporated between the oil filters, an oil return valve is arranged on the oil return pipeline, a spare oil return valve is incorporated between the oil return valve and the generator set, and an oil return valve is installed on the oil supply pipeline. Equipped with an oil supply valve and a first flow meter, a backup oil supply valve is incorporated between the first flow meter and the generator set, and an external oil supply valve is incorporated between the second flow meter and the oil replenishment valve The fuel valve; the top of the fuel tank is provided with an electronic level gauge, and the side of the fuel tank is provided with a mechanical visual level gauge.

Preferably, a second ball valve and a second oil supply pump are incorporated between the oil filter and the first ball valve and then connected to the second flow meter.

Preferably, the bottom and the top of the fuel tank are respectively provided with an oil drain port and an oil return port, and both ends of the self-circulating filter pipeline are respectively connected with the oil drain port and the oil return port.

The beneficial effect of the utility model is that the multifunctional auxiliary pipeline system of the fuel tank of the diesel generator vehicle of the utility model can realize the stable supply of oil to the fuel tank in the vehicle or the bypass oil storage device to the generator set when the generator set is short of oil. Fuel supply to solve the long-term and high-load uninterrupted power supply demand of generators, and ensure that the generator vehicles can provide electricity continuously and stably; when the generator vehicles are in emergency rescue and disaster relief, the road conditions are more If the oil equipment cannot arrive in time, the multi-functional pipeline system can also share the fuel in the fuel tank with other equipment lacking oil to ensure that it continues to work and provide waiting time; at the same time, it can also realize the functions of self-circulation filtration and external circulation filtration.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic diagram of connection of a multifunctional auxiliary pipeline system of a fuel tank of a diesel generator vehicle according to this embodiment.

FIG. 2 is a connection diagram of the pipeline system for self-circulation filtration work and external refueling work provided in this embodiment.

FIG. 3 is a diagram of the connection relationship of the fuel tank provided in the present embodiment when the fuel is discharged to the outside.

FIG. 4 is a diagram of the connection relationship of the fuel tank when the external circulation filter is in operation provided by the present embodiment.

Wherein, the above-mentioned drawings include the following reference signs:

10, generator set; 11, oil return valve; 12, oil supply valve; 13, backup oil return valve; 14, backup oil supply valve; 15, first flow meter; 20, fuel tank; 21, oil drain valve; 22, Oil filter; 23, the first ball valve; 24, the second oil supply pump; 25, the second flow meter; 26, the oil filling valve; 27, the second ball valve; 28, the second oil supply pump; 30, the oil storage device; 31 , External oil supply valve; 32, External oil drain valve.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1 to 4, a multifunctional auxiliary pipeline system for a fuel tank of a diesel generator vehicle includes a generator set 10 and a fuel tank 20 that are connected together through an oil supply pipeline and an oil return pipeline, respectively. The fuel tank 20 is provided with a self-circulation filter pipeline, and the self-circulation filter pipeline is sequentially connected in series with an oil drain valve 21, an oil filter 22, a first ball valve 23, a first oil supply pump 24, and a second flow meter along its oil circuit circulation direction. 25 and oil filling valve 26, an external oil supply valve 31 is incorporated between the oil drain valve 21 and the oil filter 22, the oil return pipeline is provided with an oil return valve 11, and the oil return valve 11 is connected to A backup oil return valve 13 is incorporated between the generator sets 10 , an oil supply valve 12 and a first flow meter 15 are arranged on the oil supply pipeline, and the first flow meter 15 is parallel to the generator set 10 . into the spare fuel supply valve 14, and an external fuel discharge valve 32 is incorporated between the second flow meter 25 and the fuel filling valve 26; the top of the fuel tank 20 is equipped with an electronic level gauge, and the fuel tank 20 There is a mechanical visual level gauge on the side.

A second ball valve 27 and a second oil supply pump 28 are incorporated between the oil filter 22 and the first ball valve 23 and then connected to the second flow meter 25 .

The bottom and top of the fuel tank 20 are respectively provided with an oil drain port and an oil return port, and both ends of the self-circulating filter pipeline are respectively connected with the oil drain port and the oil return port.

The present embodiment also provides a method for controlling a multifunctional auxiliary pipeline system of a fuel tank of a diesel generator vehicle, which specifically includes the following steps:

1) The generator car controller in the diesel generator car is electrically connected to each valve, fuel supply pump and electronic liquid level gauge in the pipeline system to control the opening and closing of each valve and fuel supply pump;

2) When the generator set 10 is working, and the fuel tank 20 has sufficient fuel, operate the generator car controller to open the fuel supply pipeline, the fuel supply valve 12 and the fuel return valve 11 in the fuel return pipeline, the valves of other pipelines and the supply valve. The oil pump is turned off;

3) The electronic liquid level gauge in the fuel tank 20 feeds back the oil level signal to the generator controller in real time. When the liquid level is lower than 1/4 of the oil level, an alarm replenishment signal is sent to start the external refueling work; when the liquid level of the fuel tank 20 When reaching the 3/4 oil level, close the external fueling work; the external fueling work steps are: the external fuel supply valve 31 is connected to the external oil storage device 30, and the generator car controller is operated to open the external fuel supply valve 31 and the fuel supply valve 26, The first fuel supply pump 24 is powered on, and the fuel in the fuel storage device 30 is supplied to the fuel tank 20 through the fuel filter 22, the first ball valve 23, the first fuel supply pump 24, the second flow meter 25, and the fuel filling valve 26 for fuel replenishment. , to realize the external refueling function; the steps of closing the external refueling are: the electronic level gauge sends an oil spill signal to the generator car controller, the generator car controller closes the external oil supply valve 31 and the oil replenishment valve 26, and the first oil supply pump 24 fails. Power on, stop filling fuel tank 20;

4) During the daily work of the generator set 10, if the oil supply pipeline and the oil return pipeline are damaged and cannot work normally, the first flow meter 15 sends a fault signal to the generator car controller to start the bypass oil supply work; the bypass oil supply work The steps are: the standby oil return valve 13 is connected to the oil inlet of the external oil storage device 30, the standby oil supply valve 14 is connected to the external oil drain valve 32, the generator car controller closes the oil supply valve 12 and the oil return valve 11, and opens the standby return valve. The oil valve 13, the spare oil supply valve 14, the external oil supply valve 31, the external oil drain valve 32, the first oil supply pump 24 is powered, and the fuel in the oil storage device 30 is passed through the oil filter 22, the first ball valve 23, The first oil supply pump 24, the second flow meter 25, and the external oil drain valve 32 are supplied to the unit to realize the bypass oil supply function;

5) When the generator set 10 has been running for a long time and there are too many impurities accumulated at the bottom of the fuel tank 20 and needs to be cleaned, start the self-circulation filtration work; the self-circulation filtration work steps are: the staff operates the generator car controller to send out a cleaning signal, Open the oil drain valve 21 and the oil replenishment valve 26, the first oil supply pump 24 is powered on, and the fuel in the fuel tank 20 is pumped out through the oil drain valve 21, through the oil filter 22, the first ball valve 23, the first oil supply pump 24, The second flow meter 25 and the fuel supply valve 26 enter the fuel tank 20 to realize the self-circulation filtering function; when it is necessary to stop cleaning, operate the generator car controller to issue a stop cleaning signal, close the fuel drain valve 21 and the fuel supply valve 26, and the first supply The fuel pump 24 loses power and stops supplying fuel to the fuel tank 20;

6) When the generator car is in emergency rescue and disaster relief, the road conditions are more complicated, the oil tanker and oil storage equipment cannot be reached in time, and when the auxiliary vehicle or other equipment is short of oil, the oil discharge work is started; the oil discharge work steps are: The external oil drain valve 32 is connected to the oil inlet of the oil storage device 30, and the generator car controller is operated to issue an oil drain signal, the oil drain valve 21 and the external oil drain valve 32 are opened, the first fuel supply pump 24 is powered on, and the fuel tank 20 is energized. The internal fuel is pumped out through the oil filter 22, the first ball valve 23, the first fuel supply pump 24, and the second flow meter 25, and is discharged to the oil storage device 30 to realize the function of discharging oil outward; when it is necessary to stop the oil discharge, operate the power generation The vehicle controller sends a stop fuel discharge signal, closes the fuel discharge valve 21 and the external fuel discharge valve 32, the first fuel supply pump 24 loses power, stops pumping the fuel in the fuel tank 20, and closes the fuel discharge to the outside;

7) When the oil storage device 30 accumulates too many impurities and needs to be cleaned, the external circulation filtering work is started; the steps of the external circulation filtering work are: the external oil supply valve 31 and the external oil drain valve 32 are connected to the storage tank at the same time. The oil device 30 operates the generator car controller to issue an external circulation signal, opens the external oil supply valve 31 and the external oil drain valve 32, and sends the fuel in the oil storage device 30 through the oil filter 22, the first ball valve 23, the first supply The oil pump 24 and the second flow meter 25 are pumped out, and enter the oil storage device 30 through the external oil drain valve 32 to realize the external circulation function; when it needs to be closed, operate the generator car controller to send a signal to close the external circulation, and close the external oil supply valve. 31. The external oil drain valve 32, the first oil supply pump 24 loses power, stops pumping out the fuel in the oil storage device 30, and closes the external circulation;

8) In the actual use process, the first oil supply pump 24 and the first ball valve 23 may fail. In order to ensure the normal use of each functional pipeline, the second oil supply pump is incorporated between the oil filter 22 and the second flow meter 25. 27. The second ball valve 28, when the first oil supply pump 24 or the first ball valve 23 fails, the second flow meter 25 monitors the running flow of the pipeline system, and feeds back a low oil or oil shortage signal to the generator car controller, and the generator car controller Start the second ball valve 27 and the second oil supply pump 28 to ensure the normal operation of the pipeline, especially when the generator set 10 is in power supply operation, the external refueling or bypass oil supply needs to be unblocked at all times, and can be activated at any time. The second fuel supply pump 28 can ensure uninterrupted supply of sufficient and clean fuel to the generator set, so as to realize long-term and uninterrupted power supply of diesel vehicles.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

Claims (3)

1. The multifunctional auxiliary pipeline system of the fuel tank of the diesel generating car is characterized by comprising a generator set (10) and a fuel tank (20) which are connected together through a fuel supply pipeline and a fuel return pipeline respectively, wherein the fuel tank (20) is provided with a self-circulation filtering pipeline, the self-circulation filtering pipeline is sequentially connected with a fuel drain valve (21), a fuel filter (22), a first ball valve (23), a first fuel supply pump (24), a second flowmeter (25) and a fuel supply valve (26) in series along the circulation direction of the fuel line, an external fuel supply valve (31) is incorporated between the fuel drain valve (21) and the fuel filter (22), a fuel return valve (11) is arranged on the fuel return pipeline, a standby fuel return valve (13) is incorporated between the fuel return valve (11) and the generator set (10), a fuel supply valve (12) and a first flowmeter (15) are arranged on the fuel supply pipeline, a standby fuel supply valve (14) is incorporated between the first flowmeter (15) and the, an external oil drain valve (32) is incorporated between the second flowmeter (25) and the oil replenishing valve (26); an electronic liquid level meter is arranged at the top of the fuel tank (20), and a mechanical visible liquid level meter is arranged on the side face of the fuel tank (20).

2. The multifunctional auxiliary pipeline system for the fuel tank of the diesel power generating car as claimed in claim 1, characterized in that a second ball valve (27) and a second fuel supply pump (28) are incorporated between the fuel filter (22) and the first ball valve (23) and then connected with the second flow meter (25).

3. The multifunctional auxiliary pipeline system for the fuel tank of the diesel power generation vehicle as claimed in claim 1, wherein the fuel tank (20) is provided with an oil discharge port and an oil return port at the bottom and the top, respectively, and the two ends of the self-circulation filtering pipeline are connected with the oil discharge port and the oil return port, respectively.

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