Dual-motor frequency conversion generator set

By installing air intake and cooling components on the main surface of the generator set, the problems of limited cold air flow path and low cooling efficiency are solved, achieving uniform cooling and improved stability of the generator set.

CN224037210UActive Publication Date: 2026-03-24FUJIAN EVERSTRONG LEGA POWER EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In traditional dual-motor variable frequency generator sets, the air cooler is installed on one side, which restricts the airflow path and makes it impossible to evenly reach all heat-generating parts, creating heat dissipation dead zones. In addition, different components have different heat requirements, and a single-sided air cooler cannot supply air accurately, resulting in low cooling efficiency and affecting the stability and lifespan of the unit.

Method used

An air intake assembly, a conveying device, and a cooling assembly are installed on the main surface of the generator set, including an air intake hood, an L-shaped conveying pipe, a conveying pump, an air supply pipe, and U-shaped and arc-shaped air outlet plates, to achieve uniform distribution and precise air supply of cold air and avoid mixing of cold air and hot air.

Benefits of technology

This achieves uniform distribution of cool air inside the generator set, improving heat dissipation and enhancing the stability and service life of the unit.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224037210U_ABST
Patent Text Reader

Abstract

The utility model provides a double-motor frequency conversion generator set which comprises a generator set body, an air cooler body installed on one side of the surface of the generator set body, an air inlet assembly arranged on one side of the surface of the generator set body, a conveying device arranged on the surface of the generator set body, and a cooling assembly arranged on one side of the conveying device. The cooling assembly comprises a gas conveying pipe, two connecting pipes, a U-shaped gas outlet plate and an arc-shaped gas outlet pipe, the two connecting pipes are connected to the two sides of the surface of the gas conveying pipe respectively, and the U-shaped gas outlet plate and the arc-shaped gas outlet pipe are connected to one ends of the two connecting pipes respectively. According to the double-motor frequency conversion generator set provided by the utility model, the air inlet assembly is arranged between the generator set main bodies with the air cooler main bodies, and the conveying device and the cooling assembly are matched for operation; and when the generator set main body works, cold air generated by the air cooling machine main body can be conveyed to each position on the surface of the generator set main body for cooling operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power equipment especially relates to a double motor variable frequency generator set. BACKGROUND

[0002] In the traditional double motor variable frequency generator set, in order to solve the heat problem generated when operating, there is a scheme of installing a cooling fan on one side of the generator set, however, this way has many limitations, and cannot effectively cool the whole generator set.

[0003] On the one hand, the internal structure of the generator set is complex, contains double motor, frequency converter, controller and other heat generating components, and the layout of each component is compact, the cooling fan is installed on one side, the flow path of the blown cold air in the internal structure of the generator set is limited, and it is difficult to uniformly reach each heat generating position, which easily forms a heat dissipation dead angle, and the heat of the components far away from the cooling fan accumulates, and the temperature is too high.

[0004] On the other hand, when the double motor variable frequency generator set operates, the degree and speed of heat generation of different components are different, only installing a cooling fan on one side cannot accurately provide the cooling air volume according to the actual heat dissipation demand of each component, and the air flow disturbance generated in the operation process of the generator set may cause the cold air to mix with hot air before reaching some heat generating components, which reduces the cooling efficiency, and finally cannot effectively cool the whole generator set, which affects the stability and service life of the generator set.

[0005] Therefore, it is necessary to provide a double motor variable frequency generator set to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model provides a double motor variable frequency generator set, solve the internal structure of the generator set complex and compact component, unilateral installation cooling fan, cold air flow path is limited, difficult even reaches each heat generating position, easy to appear heat dissipation dead angle, cause part component heat accumulation, simultaneously, different component heat generation degree and speed are different, unilateral cooling fan cannot accurately supply air according to demand, and air flow disturbance easily makes cold air mix with hot air in advance, cooling efficiency is low, difficult to effectively cool the generator set, affect the stability and life of the generator set.

[0007] To solve the above technical problems, the utility model provides a double motor variable frequency generator set, which comprises:

[0008] A generator set main body, a cooling fan main body is installed on one side of the surface of the generator set main body;

[0009] An air inlet assembly is arranged on one side of the surface of the generator set main body;

[0010] A conveying device is arranged on the surface of the generator set main body;

[0011] The cooling assembly is arranged on one side of the conveying device, and comprises a gas conveying pipe, two connecting pipes, a U-shaped gas outlet plate and an arc-shaped gas outlet pipe.

[0012] Preferably, the air inlet assembly comprises four air inlet covers and four L-shaped conveying pipes, the four L-shaped conveying pipes are connected between the four air inlet covers respectively, and the four air inlet covers are arranged on the surface of the air cooler main body.

[0013] Preferably, the four air inlet covers and the four L-shaped conveying pipes are used for the cold air to enter.

[0014] Preferably, the conveying device comprises a conveying pump and a conveying pipe, the conveying pipe is connected to the input end of the conveying pump, the conveying pipe is arranged on the surface of the generator set main body, the other end of the conveying pipe is connected to one of the air inlet covers, and one end of the gas conveying pipe is connected to the output end of the conveying pump.

[0015] Preferably, the U-shaped gas outlet plate and the arc-shaped gas outlet pipe are used for cooling the generator set main body.

[0016] Preferably, a mounting assembly is arranged between the air cooler main body and the air inlet cover, the mounting assembly comprises a threaded rod, a mounting sleeve, a support and a threaded sleeve, the threaded rod is connected to the surface of the air cooler main body, the mounting sleeve is arranged on the surface of the threaded rod, the support is connected to the bottom end of the mounting sleeve, and the bottom end of the support is connected to the air inlet cover.

[0017] Preferably, the threaded sleeve is threadedly connected to the surface of the threaded rod.

[0018] Compared with the related art, the double-motor variable-frequency generator set has the following beneficial effects:

[0019] The double-motor variable-frequency generator set is provided with an air inlet assembly, a conveying device and a cooling assembly arranged between the generator set main body with the air cooler main body, and the cold air generated by the air cooler main body during the operation of the generator set main body can be conveyed to each position on the surface of the generator set main body for cooling operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 FIG. 1 is a structural schematic view of a first embodiment of the double-motor variable-frequency generator set according to the present application;

[0021] Figure 2 FIG. 2 is a structural schematic view of a second embodiment of the double-motor variable-frequency generator set according to the present application; Figure 1A perspective structural schematic view of the generator set shown;

[0022] Figure 3 A structural schematic view of a second embodiment of the double-motor variable-frequency generator set provided by the utility model;

[0023] Figure 4 To Figure 3 An enlarged schematic view of A part shown.

[0024] Reference numerals in the drawing: 1, generator set main body; 2, air cooler main body;

[0025] 3, air inlet assembly; 31, air inlet cover; 32, L-shaped conveying pipe;

[0026] 4, conveying device; 41, conveying pump; 42, conveying pipe;

[0027] 5, cooling assembly; 51, air outlet pipe; 52, connecting pipe; 53, U-shaped air outlet plate; 54, arc-shaped air outlet pipe;

[0028] 6, mounting assembly; 61, threaded rod; 62, mounting sleeve; 63, support; 64, threaded sleeve. DETAILED DESCRIPTION

[0029] The utility model will be further described below in combination with the drawings and embodiments.

[0030] First embodiment

[0031] Please refer to Figure 1 and Figure 2 Among them, Figure 1 A structural schematic view of a first embodiment of the double-motor variable-frequency generator set provided by the utility model; Figure 2 To Figure 1 A perspective structural schematic view of the generator set shown. The double-motor variable-frequency generator set comprises:

[0032] The generator set main body 1 is provided with the air cooler main body 2 on one side of the surface;

[0033] The air inlet assembly 3 is arranged on one side of the surface of the generator set main body 1;

[0034] The conveying device 4 is arranged on the surface of the generator set main body 1;

[0035] Cooling assembly 5, the cooling assembly 5 is arranged at one side of the conveying device 4, the cooling assembly 5 includes air pipe 51, two connecting pipes 52, U-shaped air outlet plate 53 and arc-shaped air outlet pipe 54, two connecting pipes 52 are connected to the surface of the air pipe 51 two sides respectively, the U-shaped air outlet plate 53 and the arc-shaped air outlet pipe 54 are connected to one end of two connecting pipes 52 respectively.

[0036] The air inlet assembly 3 includes four air inlet covers 31 and four L-shaped conveying pipes 32, four L-shaped conveying pipes 32 are connected between four air inlet covers 31 respectively, and four air inlet covers 31 are installed on the surface of the air cooler main body 2.

[0037] Four air inlet covers 31 and four L-shaped conveying pipes 32 are used for the entry of cold air.

[0038] The conveying device 4 includes a conveying pump 41 and a conveying pipe 42, the conveying pipe 42 is connected to the input end of the conveying pump 41, the conveying pipe 41 is installed on the surface of the generator set main body 1, the other end of the conveying pipe 42 is connected with one of the air inlet covers 31, and one end of the air pipe 51 is connected to the output end of the conveying pump 41.

[0039] The U-shaped air outlet plate 53 and the arc-shaped air outlet pipe 54 are used for cooling the generator set main body 1.

[0040] Air inlet holes matched with L-shaped conveying pipes 32 are formed in the surface of four air inlet covers 31, and a plurality of air outlet holes are formed in the surface of the U-shaped air outlet plate 53 and the arc-shaped air outlet pipe 54.

[0041] The working principle of the double-motor variable-frequency generator set is as follows:

[0042] When the generator set main body 1 is cooled as a whole, first, the air cooler main body 2 and the conveying pump 41 are started, the cold air generated by the air cooler main body 2 is conveyed to the inside of the air pipe 51 through the four air inlet covers 31, the four L-shaped conveying pipes 32 and the conveying pipe 41, when the cold air is conveyed to the inside of the conveying pipe 51, the cold air is conveyed to the inside of the U-shaped air outlet plate 53 and the arc-shaped air outlet pipe 54 through the two connecting pipes 52 respectively, and the generator set main body 1 can be cooled when the cold air is conveyed to the inside of the U-shaped air outlet plate 53 and the arc-shaped air outlet pipe 54.

[0043] Compared with the related art, the double-motor variable-frequency generator set has the following beneficial effects:

[0044] This utility model provides a dual-motor variable frequency generator set. An air intake component 3, a conveying device 4, and a cooling component 5 are arranged between the generator set body 1 with an air-cooled main body 2 to cooperate in operation. When the generator set body 1 is working, the cold air generated by the air-cooled main body 2 can be delivered to every position on the surface of the generator set body 1 for cooling.

[0045] Second Embodiment

[0046] Please refer to the following: Figure 3 and Figure 4 Based on the first embodiment of this application, which provides a dual-motor variable frequency generator set, the second embodiment of this application proposes another dual-motor variable frequency generator set. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0047] Specifically, the second embodiment of this application provides a dual-motor variable frequency generator set that differs in that the dual-motor variable frequency generator set further includes an installation component 6. The installation component 6 includes a threaded rod 61, an installation sleeve 62, a bracket 63, and a threaded sleeve 64. The threaded rod 61 is connected to the surface of the air-cooled machine body 2. The installation sleeve 62 is fitted onto the surface of the threaded rod 61. The bracket 63 is connected to the bottom end of the installation sleeve 62. The bottom end of the bracket 63 is connected to the air intake shroud 31.

[0048] The threaded sleeve 64 is threadedly connected to the surface of the threaded rod 61.

[0049] The use of threaded rod 61 and threaded sleeve 64 facilitates the installation of mounting sleeve 62.

[0050] The working principle of the dual-motor variable frequency generator set provided by this utility model is as follows:

[0051] When using the air inlet cover 31, first put the air inlet cover 31 with the mounting sleeve 62 onto the surface of the threaded rod 61 and push the air inlet cover 31 to contact the surface of the air cooler body 2. After the air inlet cover 31 is installed, use the threaded sleeve 64 to thread it onto the threaded rod 61.

[0052] Compared with related technologies, the dual-motor variable frequency generator set provided by this utility model has the following beneficial effects:

[0053] This utility model provides a dual-motor variable frequency generator set. An installation component 6 is provided between the air-cooled machine body 2 and the air inlet shroud 31 to allow for the installation and removal of the air inlet shroud 31 from the air-cooled machine body 2.

[0054] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A dual motor variable frequency generator set, characterized by, Include: The generator set body, the air cooler body is installed on one side of the surface of the generator set body; Air inlet assembly, the air inlet assembly is arranged on one side of the surface of the generator set body; Conveying device, the conveying device is arranged on the surface of the generator set body; Cooling assembly, the cooling assembly is arranged on one side of the conveying device, the cooling assembly includes a gas pipe, two connecting pipes, a U-shaped gas outlet plate and an arc-shaped gas outlet pipe, two connecting pipes are connected to both sides of the surface of the gas pipe, the U-shaped gas outlet plate and the arc-shaped gas outlet pipe are connected to one end of two connecting pipes.

2. The dual motor variable frequency generator set of claim 1, wherein, The air inlet assembly includes four air inlet covers and four L-shaped conveying pipes, four L-shaped conveying pipes are connected between four air inlet covers, four air inlet covers are installed on the surface of the air cooler body.

3. The dual-motor variable frequency generator set of claim 2, wherein, Four air inlet covers and four L-shaped conveying pipes are used for the entry of cold air.

4. The dual motor variable frequency generator set of claim 2, wherein, The conveying device includes a conveying pump and a conveying pipe, the conveying pipe is connected to the input end of the conveying pump, the conveying pipe is installed on the surface of the generator set body, the other end of the conveying pipe is connected with one of the air inlet covers, one end of the gas pipe is connected to the output end of the conveying pump.

5. The dual motor variable frequency generator set of claim 1, wherein, The U-shaped gas outlet plate and the arc-shaped gas outlet pipe are used for cooling the generator set body.

6. The dual motor variable frequency generator set of claim 2, wherein, The air cooler body and the air inlet cover are provided with a mounting assembly, the mounting assembly includes a threaded rod, a mounting sleeve, a bracket and a threaded sleeve, the threaded rod is connected to the surface of the air cooler body, the mounting sleeve is sleeved on the surface of the threaded rod, the bracket is connected to the bottom end of the mounting sleeve, the bottom end of the bracket is connected with the air inlet cover.

7. The dual motor variable frequency generator set of claim 6, wherein, The threaded sleeve is threadedly connected to the surface of the threaded rod.