Frequency converter mounting and cooling structure of variable frequency generator set

By introducing installation components and conveying devices into the variable frequency generator set, the problems of difficult installation of the frequency converter and incomplete cooling are solved, achieving convenient installation and comprehensive cooling effect.

CN224037228UActive 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
2025-03-17
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing variable frequency generator sets, the frequency converter needs to be supported during installation, and the cooling device cannot fully cool the internal components.

Method used

The system employs installation components and conveying devices, including mounting frames, mounting blocks, disassembly components, and conveying pipes, to drive the frequency converter inside the generator set and achieve comprehensive cooling through the air outlet hollow plate and conveying device.

Benefits of technology

It achieves convenient installation of frequency converters and comprehensive cooling effect, improving the ease of operation and the cooling efficiency of equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224037228U_ABST
Patent Text Reader

Abstract

The utility model provides a frequency converter installation and cooling structure of a frequency conversion generator set, which comprises a generator set main body, a frequency converter main body is arranged in the generator set main body, an installation assembly is arranged between the frequency converter main body and the generator set main body, and an air outlet hollow plate is arranged in the generator set main body. A dismounting assembly is arranged between the air outlet hollow plate and the generator set body, and the conveying device is arranged between the air outlet hollow plate and the generator set body. According to the frequency converter installing and cooling structure of the frequency conversion generator set, the frequency converter main body can be conveniently installed in the generator set main body in a pushing mode, so that the installation convenience of operators can be facilitated, and the frequency converter main body can be conveniently and rapidly cooled when the generator set main body and the frequency converter main body are cooperatively operated. And the whole device is comprehensively cooled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of frequency conversion generator set especially relates to a frequency converter installation and cooling structure of frequency conversion generator set. BACKGROUND

[0002] At present, the frequency conversion generator set on the market is mainly composed of engine, generator, oil tank, pull plate starter assembly, frequency converter, silencer and other auxiliary devices, in the working process, the engine converts the chemical energy released by combustion into mechanical energy, and the generator converts the mechanical energy into electrical energy, both of which will produce a large amount of heat energy in the working process, and the frequency converter will also generate a large amount of heat when converting AC and DC, in order to ensure the normal operation of the whole generator set, a good ventilation environment is needed to cool the machine body, therefore, most of the generator sets on the market are in a scattered structure, but due to the poor rationality of the structure layout of the current frequency conversion generator set, although the scattered (open rack) structure is adopted, the internal heat dissipation effect is also poor.

[0003] The patent application with the publication number CN209358383U proposed in the prior art arranges the frequency converter above the motor cover, and sets a wind guide groove on the bottom shell of the oil tank, so that the structure is more reasonable, and the volume of the whole frequency conversion generator set can be effectively reduced.

[0004] A radial flow fan is arranged in the motor cover, an air inlet hole is formed on the end face of the motor cover, and an air outlet hole is arranged on the upper part of the side wall of the motor cover, so that the air blown out from the air outlet hole is divided into two paths, one path moves to the outside of the rack along the length direction of the frequency converter from the lower side of the frequency converter, and carries away the heat emitted by the frequency converter, and the other path enters the wind guide groove, and then moves to the outside of the rack from the upper side of the frequency converter along the wind guide groove, and carries away the heat emitted by the frequency converter; in this way, the frequency converter can be cooled better and more directly by cooling the upper and lower sides of the frequency converter at the same time, so as to improve the working efficiency and service life of the frequency converter.

[0005] The air flowing from the wind guide groove can cool the bottom shell of the oil tank, so as to effectively cool the oil in the oil tank, thereby effectively improving the efficiency of the engine.

[0006] However, the frequency converter installed in the current generator set is fastened in the interior of the generator set by multiple bolts, and the operator needs to lift and install when installing, and the cooling device used at present cannot comprehensively cool the internal devices at the same time.

[0007] Therefore, it is necessary to provide a frequency converter installation and cooling structure of frequency conversion generator set to solve the above technical problems. UTILITY MODEL CONTENTS

[0008] The utility model provides a kind of frequency converter installation and cooling structure of frequency generator set, solve the frequency converter installed in present generator set by multiple bolts fastening in the inside of generator set, and the way of lifting needs to be installed when operating personnel need to install, and the cooling device used currently cannot simultaneously comprehensively carry out cooling operation to internal device.

[0009] To solve the above technical problems, the utility model provides a kind of frequency converter installation and cooling structure of frequency generator set, comprising:

[0010] Generator set main body, the inside of the generator set main body is provided with frequency converter main body, installation assembly is provided between the frequency converter main body and the generator set main body;

[0011] Air outlet hollow board, the air outlet hollow board is set in the inside of the generator set main body, and dismounting assembly is provided between the air outlet hollow board and the generator set main body;

[0012] Conveying device, the conveying device is set between the air outlet hollow board and the generator set main body.

[0013] Preferably, the installation assembly includes installation frame, two installation blocks and two installation slots, the installation frame is set on the surface of the frequency converter main body, and two installation blocks are respectively connected to the left and right sides of the surface of the installation frame.

[0014] Preferably, two installation slots are respectively opened in the left and right sides of the inner wall of the generator set main body, and two installation blocks are respectively arranged in the inside of two installation slots.

[0015] Preferably, the dismounting assembly includes dismounting frame, two dismounting blocks and two dismounting slots, the dismounting frame is set on the surface of the air outlet hollow board, and two dismounting blocks are respectively connected to the left and right sides of the dismounting frame.

[0016] Preferably, two dismounting slots are respectively opened in the left and right sides of the inner wall of the generator set main body, and two dismounting blocks are respectively arranged in the inside of two dismounting slots.

[0017] Preferably, the conveying device includes pump body, first conveying pipe and second conveying pipe, the first conveying pipe and the second conveying pipe are respectively connected to the input end and the output end of the pump body, the other end of the first conveying pipe is connected with one end of the air outlet hollow board, and a rectangular through slot is opened in one side of the generator set main body.

[0018] Preferably, the surface of the generator set body and located on the opposite side of the rectangular through slot is provided with a shielding assembly, the shielding assembly comprises a movable plate, a plurality of rotating frames, a plurality of fixed blocks and a through slot, the plurality of rotating frames are connected to the side of the movable plate respectively, the plurality of fixed blocks are connected to the left and right sides of the plurality of rotating frames respectively, and the through slot is arranged on the side of the surface of the movable plate.

[0019] Compared with the related art, the frequency converter installation and cooling structure of the variable frequency generator set has the following beneficial effects:

[0020] The frequency converter installation and cooling structure of the variable frequency generator set sets the installation frame with two installation blocks between the generator set body and the frequency converter body, and cooperates with two installation grooves, so that the frequency converter body can be installed in the inside of the generator set body in a pushing mode, thereby the convenience of the operation personnel can be facilitated, and the hollow plate, the disassembly assembly and the conveying device are cooperated between the generator set body and the frequency converter body, so that the whole device can be comprehensively cooled when the generator set body and the frequency converter body are cooperated. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the first embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure;

[0022] Figure 2 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure; Figure 1 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure;

[0023] Figure 3 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure; Figure 1 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure;

[0024] Figure 4 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure; Figure 1 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure; The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure;

[0025] The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure; Figure 5 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure;

[0026] Figure 6 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure; Figure 5 The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, and the structure schematic diagram of the second embodiment of the utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set is shown in the figure;

[0027] 1, generator set body;2, frequency converter body;

[0028] 3, installation assembly;31, installation frame;32, installation block;33, installation groove;

[0029] 4, disassembly assembly; 41, disassembly frame; 42, disassembly block; 43, disassembly slot;

[0030] 5, air outlet hollow plate;

[0031] 7, conveying device; 71, pump body; 72, first conveying pipe; 73, second conveying pipe;

[0032] 8, rectangular through slot;

[0033] 9, shielding assembly; 91, movable plate; 92, rotating frame; 93, fixed block; 94, through slot. DETAILED DESCRIPTION

[0034] The utility model will be further described below in combination with the drawings and embodiments.

[0035] First embodiment

[0036] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , among them, Figure 1 It is the structure diagram of the first embodiment of the frequency converter installation and cooling structure of the frequency generator set provided by the utility model; Figure 2 It is the enlarged diagram of A part shown in Figure 1 ; Figure 3 It is the enlarged diagram of B part shown in Figure 1 ; Figure 4 It is the three-dimensional structure diagram of the device whole shown in Figure 1 . The frequency converter installation and cooling structure of the frequency generator set, comprising:

[0037] The generator set body 1, the inside of the generator set body 1 is provided with the frequency converter body 2, the frequency converter body 2 and the generator set body 1 are provided with installation assembly 3 between them;

[0038] Air outlet hollow plate 5, the air outlet hollow plate 5 is arranged in the inside of the generator set body 1, and the air outlet hollow plate 5 is provided with disassembly assembly 4 between the air outlet hollow plate 5 and the generator set body 1.

[0039] Conveying device 7, the conveying device 7 is arranged between the air outlet hollow plate 5 and the generator set body 1.

[0040] The installation assembly 3 includes installation frame 31, two installation blocks 32 and two installation slots 33, the installation frame 31 is arranged on the surface of the frequency converter body 2, and two installation blocks 32 are connected to the left and right sides of the surface of the installation frame 31 respectively.

[0041] Two installation grooves 33 are respectively arranged on the left and right sides of the inner wall of the generator set body 1, and two installation blocks 32 are respectively arranged in the two installation grooves 33.

[0042] The dismounting assembly 4 comprises a dismounting frame 41, two dismounting blocks 42 and two dismounting grooves 43.

[0043] The dismounting frame 41, the dismounting blocks 42 and the dismounting grooves 43 are used for facilitating the mounting and dismounting of the air outlet hollow plate 5 and the generator set body 1.

[0044] Two dismounting grooves 43 are respectively arranged on the left and right sides of the inner wall of the generator set body 1, and two dismounting blocks 42 are respectively arranged in the two dismounting grooves 43.

[0045] The conveying device 7 comprises a pump body 71, a first conveying pipe 72 and a second conveying pipe 73.

[0046] The pump body 71 is mounted on the surface of the generator set body 1.

[0047] The working principle of the frequency converter mounting and cooling structure of the frequency conversion generator set is as follows:

[0048] When the frequency converter body 2 is mounted, the mounting frame 31 with the two installation blocks 32 is first sleeved on the surface of the frequency converter body 2.

[0049] When the generator set body 1 and the frequency converter body 2 are comprehensively cooled, the pump body 71 is first started to convey the cooling equipment to the inside of the air outlet hollow plate 5 through the first conveying pipe 72 and the second conveying pipe 73 to cool the generator set body 1 and the frequency converter body 2.

[0050] Compared with the related art, the frequency converter mounting and cooling structure of the variable frequency generator set has the following beneficial effects:

[0051] The frequency converter mounting and cooling structure of the variable frequency generator set is characterized in that: the installation frame 31 with two installation blocks 32 is arranged between the generator set main body 1 and the frequency converter main body 2, and the two installation grooves 33 are used, so that the frequency converter main body 2 can be installed in the inside of the generator set main body 1 in a pushing manner, thereby facilitating the convenience of installation of the operator, and the air outlet hollow plate 5, the disassembly assembly 4 and the conveying device 7 are cooperatively operated between the generator set main body 1 and the frequency converter main body 2, so that the whole device can be comprehensively cooled.

[0052] Second embodiment

[0053] Please refer to Figure 5 and Figure 6 , based on the first embodiment of the present application, the second embodiment of the present application provides another frequency converter mounting and cooling structure of the variable frequency generator set. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0054] Specifically, the difference between the frequency converter mounting and cooling structure of the variable frequency generator set provided by the second embodiment of the present application is that the frequency converter mounting and cooling structure of the variable frequency generator set further comprises a shielding assembly 9, the shielding assembly 9 comprises a movable plate 91, a plurality of rotating frames 92, a plurality of fixed blocks 93 and a through slot 94, the plurality of rotating frames 92 are respectively connected to one side of the movable plate 91, the plurality of fixed blocks 93 are respectively connected to the left and right sides of the plurality of rotating frames 92, and the through slot 94 is arranged on one side of the surface of the movable plate 91.

[0055] The through slot 94 is arranged to prevent being blocked by the first conveying pipe 72 when the movable plate 91 is rotated to contact the side of the generator set main body 1, the rotating frames 92 and the fixed blocks 93 are rotatably connected through rotating shafts, and the fixed blocks 93 are connected to the top of the generator set main body 1.

[0056] The working principle of the frequency converter mounting and cooling structure of the variable frequency generator set provided by the present application is as follows:

[0057] When the rectangular through slot 8 of the generator set main body 1 is shielded, the movable plate 91 can be turned over to contact the rectangular through slot 8 by using the plurality of rotating frames 92.

[0058] Compared with the related art, the frequency converter installation and cooling structure of the variable frequency generator set has the following beneficial effects:

[0059] The utility model provides a kind of frequency converter installation and cooling structure of variable frequency generator set, the side of generator main body 1 is provided with shielding assembly 9, it is convenient to shield rectangular through slot 8, and it is also convenient to view the inside condition of generator set main body 1.

[0060] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A variable frequency drive (VFD) mounting and cooling structure for a variable frequency generator set, characterized in that, include: The generator set body includes a frequency converter body inside the generator set body, and an installation assembly is provided between the frequency converter body and the generator set body. A hollow air outlet plate is disposed inside the main body of the generator set, and a disassembly assembly is provided between the hollow air outlet plate and the main body of the generator set. A conveying device is disposed between the air outlet hollow plate and the generator set body.

2. The inverter installation and cooling structure of the variable frequency generator set according to claim 1, characterized in that, The mounting assembly includes a mounting frame, two mounting blocks, and two mounting slots. The mounting frame is disposed on the surface of the inverter body, and the two mounting blocks are respectively connected to the left and right sides of the mounting frame surface.

3. The inverter installation and cooling structure of the variable frequency generator set according to claim 2, characterized in that, The two mounting slots are respectively opened on the left and right sides of the inner wall of the generator set body, and the two mounting blocks are respectively disposed inside the two mounting slots.

4. The inverter installation and cooling structure of the variable frequency generator set according to claim 1, characterized in that, The disassembly assembly includes a disassembly frame, two disassembly blocks, and two disassembly slots. The disassembly frame is disposed on the surface of the air outlet hollow plate, and the two disassembly blocks are respectively connected to the left and right sides of the disassembly frame.

5. The inverter installation and cooling structure of the variable frequency generator set according to claim 4, characterized in that, The two disassembly slots are respectively opened on the left and right sides of the inner wall of the generator set body, and the two disassembly blocks are respectively disposed inside the two disassembly slots.

6. The inverter installation and cooling structure of the variable frequency generator set according to claim 1, characterized in that, The conveying device includes a pump body, a first conveying pipe and a second conveying pipe. The first conveying pipe and the second conveying pipe are respectively connected to the input end and the output end of the pump body. The other end of the first conveying pipe is connected to one end of the air outlet hollow plate. A rectangular through slot is provided on one side of the generator set body.

7. The inverter installation and cooling structure of the variable frequency generator set according to claim 6, characterized in that, A shielding assembly is provided on the surface of the generator set body and on the side opposite to the rectangular through slot. The shielding assembly includes a movable plate, multiple rotating frames, multiple fixing blocks and the through slot. The multiple rotating frames are respectively connected to one side of the movable plate, the multiple fixing blocks are respectively connected to the left and right sides of the multiple rotating frames, and the through slot is opened on one side of the surface of the movable plate.

Citation Information

Patent Citations

  • Frequency converter mounting and cooling structure of variable-frequency generator set

    CN209358383U