Oil way structure for generator set and generator set

Abstract

The utility model relates to an oil path structure for a generator set and the generator set, the oil path structure comprises an oil inlet assembly, a filter assembly and an oil outlet assembly, an oil inlet of an oil inlet pipe is used for being communicated with a chassis oil tank of the generator set; the filtering assembly comprises a fuel oil coarse filter and an oil-water separator; the oil outlet assembly comprises a switching valve, a standby oil pipe and an oil outlet pipe, one oil inlet of the switching valve is communicated with an oil outlet of the oil-water separator, the other oil inlet of the switching valve is communicated with an oil outlet of the standby oil pipe, and an oil inlet of the standby oil pipe is used for being communicated with a chassis oil tank of the generator set. An oil outlet of the switching valve is communicated with an oil inlet of the oil outlet pipe, an oil outlet of the oil outlet pipe is used for being communicated with an engine of the generator set, and the switching valve is used for opening or closing the standby oil pipe. When the fuel oil coarse filter and the filter element of the oil-water separator need to be replaced, only pipelines need to be switched through the switching valve, the standby oil pipe is communicated with the oil outlet pipe, shutdown is not needed in the process, and the maintenance efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of generator set oil circuit technology, and in particular to an oil circuit structure for generator sets and a generator set. Background Technology

[0002] Fuel pre-filters and oil-water separators are critical filtration components in the fuel system, directly affecting engine performance, lifespan, and operational stability. In areas with poor fuel quality, fuel pre-filters and oil-water separators need frequent replacement. This replacement process requires shutting down the generator set, disrupting normal generator operation and reducing maintenance efficiency. Utility Model Content

[0003] In view of the above problems, this application provides an oil circuit structure and generator set for a generator set, which solves the technical problem that in areas with poor oil quality, the fuel pre-filter and oil-water separator need to be replaced frequently. During the replacement process, the generator set needs to be shut down before the replacement work can be carried out, which affects the normal operation of the generator set and reduces maintenance efficiency.

[0004] To achieve the above objectives, in a first aspect, the inventor provides an oil circuit structure for a generator set, comprising:

[0005] The oil inlet assembly includes an oil inlet pipe, the oil inlet of which is used to connect to the chassis oil tank of the generator set;

[0006] The filter assembly includes a fuel pre-filter and an oil-water separator. The fuel pre-filter's inlet is connected to the fuel inlet pipe's outlet, and the fuel pre-filter's outlet is connected to the oil inlet of the oil-water separator.

[0007] The oil outlet assembly includes a switching valve, a backup oil pipe, and an oil outlet pipe. One oil inlet of the switching valve is connected to the oil outlet of the oil-water separator, and the other oil inlet of the switching valve is connected to the oil outlet of the backup oil pipe. The oil inlet of the backup oil pipe is used to connect to the chassis oil tank of the generator set. The oil outlet of the switching valve is connected to the oil inlet of the oil outlet pipe, and the oil outlet of the oil outlet pipe is used to connect to the engine of the generator set. The switching valve is used to open or close the backup oil pipe.

[0008] As one embodiment of this utility model, the oil inlet assembly also includes an oil inlet suction pipe, the oil outlet of which is connected to the oil inlet of the oil inlet pipe, and the oil inlet of the oil inlet suction pipe is used to connect to the chassis oil tank of the generator set.

[0009] In this way, the fuel inlet suction pipe continuously and stably delivers fuel from the chassis fuel tank. Simultaneously, the fuel inlet suction pipe extends to the bottom of the chassis fuel tank, thus preventing air from being drawn in when the fuel sloshes, reducing fuel foaming, and ensuring engine combustion efficiency. Optionally, the fuel inlet suction pipe can be detachably connected to the fuel inlet pipe for easy cleaning or replacement.

[0010] As one embodiment of this utility model, the oil outlet assembly also includes a backup oil suction pipe, the oil outlet of which is connected to the oil inlet of the backup oil pipe, and the oil inlet of the backup oil suction pipe is used to connect to the chassis oil tank of the generator set.

[0011] In this way, the backup fuel suction pipe continuously and stably delivers fuel from the chassis fuel tank. Simultaneously, the backup fuel suction pipe extends to the bottom of the chassis fuel tank, thus preventing air from being drawn in when the fuel sloshes, reducing fuel foaming, and ensuring engine combustion efficiency. Optionally, the backup fuel suction pipe and the backup fuel pipe can be detachably connected for easy cleaning or replacement.

[0012] As one embodiment of this utility model, the oil outlet assembly also includes an oil return pipe, the oil inlet of which is used to connect to the engine of the generator set, and the oil outlet of which is used to connect to the chassis oil tank of the generator set.

[0013] In this way, by setting up a return oil pipe, excess fuel that has not been consumed by the engine or excess fuel in the high-pressure oil circuit is guided back to the chassis fuel tank, thereby maintaining the dynamic balance of the fuel system and avoiding abnormal pressure or energy waste.

[0014] As one embodiment of this utility model, the oil outlet assembly also includes a first flow meter and a first alarm. The first flow meter is installed on the backup oil pipe and is communicatively connected to the first alarm. The first alarm is used to trigger an alarm when the first flow meter detects that the flow rate of the backup oil pipe is lower than the preset flow rate.

[0015] Thus, by setting up a primary flow meter and a primary alarm, the backup oil pipe can be guaranteed to supply oil normally. When the backup oil pipe fails to supply oil normally, an alarm will be triggered to remind the staff and prevent problems from occurring in the generator set.

[0016] As one embodiment of this utility model, the oil outlet assembly also includes a first connecting pipe, and an oil inlet of the switching valve is connected to the oil outlet of the oil-water separator through the first connecting pipe.

[0017] Thus, the switching valve and the oil-water separator are connected by setting a first connecting pipe.

[0018] As one embodiment of this utility model, the oil outlet assembly also includes a second flow meter and a second alarm. The second flow meter is installed on the first connecting pipe and is communicatively connected to the second alarm. The second alarm is used to trigger an alarm when the second flow meter detects that the flow rate of the first connecting pipe is lower than a preset flow rate.

[0019] Thus, by installing a second flow meter and a second alarm, it is ensured that the first connecting pipe can supply fuel normally after the fuel coarse filter and oil-water separator filter elements have been replaced. An alarm is issued to alert personnel when the first connecting pipe fails to supply fuel normally, preventing problems from occurring in the generator set.

[0020] As one embodiment of this utility model, the filter assembly also includes a second connecting pipe and a third flow meter. The oil outlet of the fuel coarse filter is connected to the oil inlet of the oil-water separator through the second connecting pipe. The third flow meter is communicatively connected to a second alarm. The second alarm is also used to trigger an alarm when the third flow meter detects that the flow rate of the second connecting pipe is lower than the preset flow rate.

[0021] Thus, by installing a second connecting pipe and a third flow meter, it is ensured that the second connecting pipe can supply fuel normally after the fuel pre-filter and oil-water separator filter elements have been replaced. An alarm is triggered when the second connecting pipe fails to supply fuel, alerting staff to the problem occurring before the oil-water separator.

[0022] In one embodiment of this utility model, both the spare oil pipe and the first connecting pipe are transparent flexible tubes.

[0023] In this way, by using transparent flexible hoses for both the backup oil pipe and the first connecting pipe, it is easier for staff to judge the oil supply status of the backup oil pipe or the first connecting pipe.

[0024] To achieve the above objectives, in a second aspect, the inventor provides a generator set, comprising:

[0025] Chassis, including chassis fuel tank;

[0026] The generator is mounted on the chassis.

[0027] The engine is mounted on the chassis and connected to the generator;

[0028] The oil circuit structure for the generator set provided by the inventor above is connected to the chassis oil tank and the engine.

[0029] The radiator is mounted on the chassis and connected to the engine.

[0030] Unlike existing technologies, the technical solution of this application is equipped with a dedicated switching valve and a backup oil pipe. Therefore, when it is necessary to replace the fuel coarse filter and the filter element of the oil-water separator, it is only necessary to switch the pipeline through the switching valve to connect the backup oil pipe with the oil outlet pipe. This process can be completed directly while the generator set is running without stopping the machine, without affecting the normal operation of the generator set and improving maintenance efficiency.

[0031] The above description of the utility model is merely an overview of the technical solution of this application. In order to enable those skilled in the art to better understand the technical solution of this application and to implement it based on the description and drawings, and to make the above-mentioned objectives and other objectives, features and advantages of this application easier to understand, the following description is provided in conjunction with the specific embodiments and drawings of this application. Attached Figure Description

[0032] The accompanying drawings are only used to illustrate the principles, implementation methods, applications, features, and effects of specific embodiments of this application and other related content, and should not be considered as limitations on this application.

[0033] In the accompanying drawings of the instruction manual:

[0034] Figure 1 This is a schematic diagram of the structure of a generator set according to an embodiment of this application;

[0035] Figure 2 This is a schematic diagram of the generator set from another perspective, representing one embodiment of this application.

[0036] Figure 3 This is a schematic diagram of the oil circuit structure for a generator set according to an embodiment of this application;

[0037] Figure 4 for Figure 3 Enlarged view of A in the middle;

[0038] Figure 5 This is a schematic diagram of the oil circuit structure for a generator set according to one embodiment of this application, from another perspective.

[0039] The reference numerals used in the above figures are explained as follows:

[0040] 100-Generator set; 1-Oil circuit structure for generator set; 11-Oil inlet assembly; 111-Oil inlet pipe; 112-Oil inlet suction pipe; 12-Filter assembly; 121-Fuel coarse filter; 122-Oil-water separator; 123-Second connecting pipe; 124-Third flow meter; 13-Oil outlet assembly; 131-Switching valve; 132-Backup oil pipe; 133-Oil outlet pipe; 134-Backup suction pipe; 135-Return oil pipe; 136-First flow meter; 137-First connecting pipe; 138-Second flow meter; 2-Chassis; 3-Generator; 4-Engine; 5-Radiator tank. Detailed Implementation

[0041] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.

[0042] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0043] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0044] In the description of this application, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " in this document generally indicates that the preceding and following objects have an "or" logical relationship.

[0045] In this application, terms such as “first” and “second” are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy or order relationship between these entities or operations.

[0046] Unless otherwise specified, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this application is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a list of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0047] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments in this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0048] In the description of the embodiments of this application, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the purpose of describing the specific embodiments of this application or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0049] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this application, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this application pertains, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0050] According to some embodiments of this application, please refer to Figures 1 to 2This embodiment relates to a generator set 100, including a chassis 2, a generator 3, an engine 4, an oil circuit structure 1 for the generator set, and a radiator 5. The chassis 2 includes a chassis oil tank; the generator 3 is mounted on the chassis 2; the engine 4 is mounted on the chassis 2 and connected to the generator 3; the oil circuit structure 1 for the generator set is connected to the chassis oil tank and the engine 4; the radiator 5 is mounted on the chassis 2 and connected to the engine 4.

[0051] Generator set 100 can be a gasoline or diesel generator set 100. Generator set 100 converts mechanical energy into electrical energy.

[0052] By setting up the oil circuit structure 1 for the generator set, the machine can be replaced without stopping the machine when changing the filter elements of the fuel coarse filter 121 and the oil-water separator 122, thus improving maintenance efficiency.

[0053] According to some embodiments of this application, please refer to Figures 3 to 5 This embodiment also relates to an oil circuit structure 1 for a generator set, including an oil inlet assembly 11, a filter assembly 12, and an oil outlet assembly 13. The oil inlet assembly 11 includes an oil inlet pipe 111, the inlet of which is connected to the chassis fuel tank of the generator set 100. The filter assembly 12 includes a fuel coarse filter 121 and an oil-water separator 122, the inlet of which is connected to the outlet of the oil inlet pipe 111, and the outlet of which is connected to the inlet of the oil-water separator 122. The oil outlet assembly 13 includes a switching valve. 131, backup oil pipe 132 and outlet oil pipe 133, one oil inlet of switching valve 131 is connected to the oil outlet of oil-water separator 122, the other oil inlet of switching valve 131 is connected to the oil outlet of backup oil pipe 132, the oil inlet of backup oil pipe 132 is used to connect to the chassis oil tank of generator set 100, the oil outlet of switching valve 131 is connected to the oil inlet of outlet oil pipe 133, the oil outlet of outlet oil pipe 133 is used to connect to engine 4 of generator set 100, and switching valve 131 is used to open or close backup oil pipe 132.

[0054] The switching valve 131 can be a manual valve or an automatic valve. In this embodiment, the switching valve 131 is a manual valve. Under normal conditions, the handle of the switching valve 131 is in the yellow position. The oil in the chassis oil tank passes sequentially through the inlet pipe 111, the fuel pre-filter 121, the oil-water separator 122, and the outlet pipe 133 before entering the engine 4 of the generator set 100. When the equipment needs to replace the filter element of the oil-water separator 122 and the fuel pre-filter 121, the handle of the switching valve 131 is manually switched from the yellow position to the red position. At this time, the oil in the chassis oil tank will pass sequentially through the spare oil pipe 132 and the outlet pipe 133 before entering the engine 4 of the generator set 100.

[0055] The technical solution of this application is equipped with a dedicated switching valve 131 and a backup oil pipe 132. Therefore, when it is necessary to replace the filter elements of the fuel coarse filter 121 and the oil-water separator 122, it is only necessary to switch the pipeline through the switching valve 131 to connect the backup oil pipe 132 with the oil outlet pipe 133. This process does not require stopping the machine and can be completed directly during the operation of the generator set 100 without affecting the normal operation of the generator set 100, thus improving maintenance efficiency.

[0056] According to some embodiments of this application, optionally, such as Figure 3 and Figure 5 As shown, the oil inlet assembly 11 also includes an oil inlet suction pipe 112, the oil outlet of which is connected to the oil inlet of the oil inlet pipe 111, and the oil inlet of the oil inlet suction pipe 112 is used to connect to the chassis oil tank of the generator set 100.

[0057] In this way, the fuel inlet suction pipe 112 continuously and stably delivers fuel from the chassis fuel tank. Simultaneously, the fuel inlet suction pipe 112 extends to the bottom of the chassis fuel tank, thus preventing air from being drawn in when the fuel sloshes, reducing fuel foaming, and ensuring engine combustion efficiency. Optionally, the fuel inlet suction pipe 112 is detachably connected to the fuel inlet pipe 111 for easy cleaning or replacement.

[0058] According to some embodiments of this application, optionally, such as Figure 3 and Figure 5 As shown, the oil outlet assembly 13 also includes a backup oil suction pipe 134. The oil outlet of the backup oil suction pipe 134 is connected to the oil inlet of the backup oil pipe 132. The oil inlet of the backup oil suction pipe 134 is used to connect to the chassis oil tank of the generator set 100.

[0059] In this way, the backup fuel suction pipe 134 continuously and stably delivers fuel from the chassis fuel tank. Simultaneously, the backup fuel suction pipe 134 extends to the bottom of the chassis fuel tank, thus preventing air from being drawn in when the fuel sloshes, reducing fuel foaming, and ensuring the combustion efficiency of engine 4. Optionally, the backup fuel suction pipe 134 is detachably connected to the backup fuel pipe 132 for easy cleaning or replacement.

[0060] According to some embodiments of this application, optionally, such as Figure 3 and Figure 5 As shown, the oil outlet assembly 13 also includes an oil return pipe 135. The oil inlet of the oil return pipe 135 is used to connect to the engine 4 of the generator set 100, and the oil outlet of the oil return pipe 135 is used to connect to the chassis oil tank of the generator set 100.

[0061] In this way, by setting up the return oil pipe 135, excess fuel that has not been consumed by the engine 4 or excess fuel in the high-pressure oil circuit is guided back to the chassis oil tank, thereby maintaining the dynamic balance of the fuel system and avoiding abnormal pressure or energy waste.

[0062] According to some embodiments of this application, optionally, such as Figure 5 As shown, the oil outlet assembly 13 also includes a first flow meter 136 and a first alarm. The first flow meter 136 is installed on the backup oil pipe 132 and is communicatively connected to the first alarm. The first alarm is used to trigger an alarm when the first flow meter 136 detects that the flow rate of the backup oil pipe 132 is lower than the preset flow rate.

[0063] Thus, by setting up the first flow meter 136 and the first alarm, the backup oil pipe 132 can be guaranteed to supply oil normally. When the backup oil pipe 132 fails to supply oil normally, an alarm is issued to remind the staff, so as to avoid problems in the operation of the generator set 100.

[0064] According to some embodiments of this application, optionally, such as Figure 3 and 5 As shown, the oil outlet assembly 13 also includes a first connecting pipe 137, and an oil inlet of the switching valve 131 is connected to the oil outlet of the oil-water separator 122 through the first connecting pipe 137.

[0065] Thus, the switching valve 131 and the oil-water separator 122 are connected by the first connecting pipe 137.

[0066] According to some embodiments of this application, optionally, such as Figure 3 and Figure 5 As shown, the oil outlet assembly 13 also includes a second flow meter 138 and a second alarm. The second flow meter 138 is installed on the first connecting pipe 137 and is communicatively connected to the second alarm. The second alarm is used to trigger an alarm when the second flow meter 138 detects that the flow rate of the first connecting pipe 137 is lower than a preset flow rate.

[0067] Thus, by setting up a second flow meter 138 and a second alarm, it is ensured that the first connecting pipe 137 can supply fuel normally after the fuel coarse filter 121 and the oil-water separator 122 filter elements have been replaced. When the first connecting pipe 137 fails to supply fuel normally, an alarm is issued to remind the staff to avoid problems in the operation of the generator set 100.

[0068] According to some embodiments of this application, optionally, such as Figure 5 As shown, the filter assembly 12 also includes a second connecting pipe 123 and a third flow meter 124. The oil outlet of the fuel coarse filter 121 is connected to the oil inlet of the oil-water separator 122 through the second connecting pipe 123. The third flow meter 124 is communicatively connected to a second alarm. The second alarm is also used to trigger an alarm when the third flow meter 124 detects that the flow rate of the second connecting pipe 123 is lower than the preset flow rate.

[0069] Thus, by setting up the second connecting pipe 123 and the third flow meter 124, it is ensured that the second connecting pipe 123 can supply fuel normally after the fuel coarse filter 121 and the oil-water separator 122 have been replaced. When the second connecting pipe 123 fails to supply fuel normally, an alarm is triggered to alert the staff, allowing them to identify the problem before the oil-water separator 122. When either the second flow meter 138 or the third flow meter 124 malfunctions, the alarm will sound, either audibly or visually, and the alarms will differ. For example, when the second flow meter 138 malfunctions, the alarm will emit a yellow light; when the second flow meter 138 malfunctions, the alarm will emit a blue light; and when both the second flow meter 138 and the third flow meter 124 malfunction, the alarm will emit a red light.

[0070] According to some embodiments of this application, optionally, both the spare oil pipe 132 and the first connecting pipe 137 are transparent flexible tubes.

[0071] Thus, by using transparent flexible hoses for both the backup oil pipe 132 and the first connecting pipe 137, it is easier for staff to determine the oil supply status of either the backup oil pipe 132 or the first connecting pipe 137. Optionally, the second connecting pipe 123 can also be a transparent flexible hose.

[0072] Those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not others, combinations of features from different embodiments are intended to be within the scope of this application and form different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An oil passage structure for a generator set, characterized by comprising: The oil inlet assembly comprises an oil inlet pipe, an oil inlet of which is connected with the chassis oil tank of the generator set; The filter assembly comprises a fuel coarse filter and an oil-water separator, an oil inlet of the fuel coarse filter is connected with an oil outlet of the oil inlet pipe, and an oil inlet of the oil-water separator is connected with an oil outlet of the fuel coarse filter; The oil outlet assembly comprises a switching valve, a standby oil pipe and an oil outlet pipe, an oil inlet of the switching valve is connected with an oil outlet of the oil-water separator, an oil inlet of the switching valve is connected with an oil outlet of the standby oil pipe, an oil inlet of the standby oil pipe is connected with the chassis oil tank of the generator set, an oil outlet of the switching valve is connected with an oil inlet of the oil outlet pipe, and an oil outlet of the oil outlet pipe is connected with the engine of the generator set, and the switching valve is used for opening or closing the standby oil pipe. The oil inlet assembly further comprises an oil suction pipe, an oil outlet of which is connected with an oil inlet of the oil inlet pipe, and an oil inlet of the oil suction pipe is connected with the chassis oil tank of the generator set.

2. The oil passage structure for a generator set according to claim 1, characterized by The oil outlet assembly further comprises a standby oil suction pipe, an oil outlet of which is connected with an oil inlet of the standby oil pipe, and an oil inlet of the standby oil suction pipe is connected with the chassis oil tank of the generator set.

3. The oil passage structure for a generator set according to claim 1, characterized by The oil outlet assembly further comprises a return oil pipe, an oil inlet of which is connected with the engine of the generator set, and an oil outlet of which is connected with the chassis oil tank of the generator set.

4. The oil passage structure for a generator set according to claim 1, characterized by The oil outlet assembly further comprises a first flow meter and a first alarm, the first flow meter is installed on the standby oil pipe, the first flow meter is connected with the first alarm, and the first alarm is used for alarming when the first flow meter detects that the flow of the standby oil pipe is lower than a preset flow.

5. The oil passage structure for a generator set according to claim 1, characterized by The oil outlet assembly further comprises a first connecting pipe, one oil inlet of the switching valve is connected with the oil outlet of the oil-water separator through the first connecting pipe.

6. The oil passage structure for a generator set according to claim 1, characterized by The oil outlet assembly further comprises a second flow meter and a second alarm, the second flow meter is installed on the first connecting pipe, the second flow meter is connected with the second alarm, and the second alarm is used for alarming when the second flow meter detects that the flow of the first connecting pipe is lower than a preset flow.

7. The oil passage structure for a generator set according to claim 6, characterized by The filter assembly further comprises a second connecting pipe and a third flow meter, the oil outlet of the fuel coarse filter is connected with the oil inlet of the oil-water separator through the second connecting pipe, the third flow meter is connected with the second alarm, and the second alarm is also used for alarming when the third flow meter detects that the flow of the second connecting pipe is lower than a preset flow.

8. The oil passage structure for a generator set according to claim 7, characterized by The standby oil pipe and the first connecting pipe are transparent flexible pipes.

9. The oil passage structure for a generator set according to claim 6, characterized by The oil inlet assembly comprises an oil inlet pipe, an oil inlet of which is connected with the chassis oil tank of the generator set; 10. A generator set characterized by, The filter assembly comprises a fuel coarse filter and an oil-water separator, an oil inlet of the fuel coarse filter is connected with an oil outlet of the oil inlet pipe, and an oil inlet of the oil-water separator is connected with an oil outlet of the fuel coarse filter; The oil outlet assembly comprises a switching valve, a standby oil pipe and an oil outlet pipe, an oil inlet of the switching valve is connected with an oil outlet of the oil-water separator, an oil inlet of the switching valve is connected with an oil outlet of the standby oil pipe, an oil inlet of the standby oil pipe is connected with the chassis oil tank of the generator set, an oil outlet of the switching valve is connected with an oil inlet of the oil outlet pipe, and an oil outlet of the oil outlet pipe is connected with the engine of the generator set, and the switching valve is used for opening or closing the standby oil pipe. The oil inlet assembly further comprises an oil suction pipe, an oil outlet of which is connected with an oil inlet of the oil inlet pipe, and an oil inlet of the oil suction pipe is connected with the chassis oil tank of the generator set. The oil outlet assembly further comprises a standby oil suction pipe, an oil outlet of which is connected with an oil inlet of the standby oil pipe, and an oil inlet of the standby oil suction pipe is connected with the chassis oil tank of the generator set. The oil outlet assembly further comprises a return oil pipe, an oil inlet of which is connected with the engine of the generator set, and an oil outlet of which is connected with the chassis oil tank of the generator set. The oil outlet assembly further comprises a first flow meter and a first alarm, the first flow meter is installed on the standby oil pipe, the first flow meter is connected with the first alarm, and the first alarm is used for alarming when the first flow meter detects that the flow of the standby oil pipe is lower than a preset flow. The oil outlet assembly further comprises a first connecting pipe, one oil inlet of the switching valve is connected with the oil outlet of the oil-water separator through the first connecting pipe. The oil outlet assembly further comprises a second flow meter and a second alarm, the second flow meter is installed on the first connecting pipe, the second flow meter is connected with the second alarm, and the second alarm is used for alarming when the second flow meter detects that the flow of the first connecting pipe is lower than a preset flow. The filter assembly further comprises a second connecting pipe and a third flow meter, the oil outlet of the fuel coarse filter is connected with the oil inlet of the oil-water separator through the second connecting pipe, the third flow meter is connected with the second alarm, and the second alarm is also used for alarming when the third flow meter detects that the flow of the second connecting pipe is lower than a preset flow. The standby oil pipe and the first connecting pipe are transparent flexible pipes. The oil passage structure for a generator set according to any one of claims 1 to 9, which communicates with the underpan oil tank and the engine; A radiator water tank is installed on the underpan and connected with the engine.

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