Box structure of water-cooled mining permanent magnet synchronous electric integrated roller frequency converter

Abstract

The utility model discloses a box body structure of a water-cooled mining permanent magnet synchronous electric integrated roller frequency converter. The box body structure comprises a box body, the box body is of a square cylindrical structure, a wiring cavity shell is arranged in the box body and opens towards the front side of the box body, a front door plate and a wiring cavity cover plate are installed on the front side of the box body, and the wiring cavity cover plate is matched with the opening of the wiring cavity shell. The front door plate and the wiring cavity cover plate form a whole which completely seals the front side of the box body, an explosion-proof cable connector is further fixed to the front side of the box body, a frequency converter water-cooling plate which completely seals the rear side of the box body is installed on the rear side of the box body, a backpack box is fixed to the rear side of the frequency converter water-cooling plate, and a motor shaft end flange is installed on the side, away from the frequency converter water-cooling plate, of the backpack box. According to the water-cooled mining permanent magnet synchronous electric integrated roller frequency converter box body structure, an electric control unit and a mechanical unit are fully integrated together, the energy efficiency is high, the integration degree is high, follow-up field installation and operation are convenient, and the application prospect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of mining equipment, in particular to a water-cooled mining permanent magnet synchronous electric integrated drum frequency converter box structure. Background Art

[0002] Mining machinery and equipment are machines directly used for mineral mining and enrichment. With the continuous upgrading of industrialization, mining machinery and equipment will inevitably undergo a large number of upgrades. The traditional drive system of mining machinery and equipment generally includes electronic control and mechanical units. The current drive system has the following problems: 1) large losses and low energy efficiency; 2) there are many links in the mechanical unit, and the electronic control and mechanical units are usually installed and arranged separately, the equipment occupies a large space, and long-term operation leads to high daily operating costs of the equipment.

[0003] Therefore, it is of great practical significance to develop a mining drum inverter box structure that has high energy efficiency, high integration, and is convenient for subsequent on-site installation and operation. Utility Model Content

[0004] Due to the above-mentioned defects in the prior art, the utility model provides a mining drum inverter box structure with high energy efficiency, high integration and convenient subsequent on-site installation and operation, which overcomes the defects of the existing mining drum inverters such as high loss, low energy efficiency, scattered installation of each unit and large space occupation.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure, comprising a box;

[0007] The box body is a square cylindrical structure, in which a wiring cavity shell is arranged, and the wiring cavity shell is opened toward the front side of the box body, and a front door panel and a wiring cavity cover plate are installed on the front side of the box body, and the wiring cavity cover plate matches with the opening of the wiring cavity shell, and the front door panel and the wiring cavity cover plate form a whole that completely closes the front side of the box body, and a flameproof cable connector is also fixed on the front side of the box body, and an inverter water-cooling plate that completely closes the rear side of the box body is installed on the rear side of the box body, and a backpack box is fixed on the rear side of the inverter water-cooling plate, and a motor shaft end flange is installed on the backpack box away from the inverter water-cooling plate.

[0008] The frequency conversion module, i.e., the IGBT module, is arranged in the box, and the motor shaft driver is arranged in the backpack box, i.e., the frequency conversion module and the motor shaft driver are respectively arranged on both sides of the inverter water cooling plate, which can be fully cooled by the inverter water cooling plate, and has a good cooling effect, which can greatly reduce energy consumption, integrate the electronic control and mechanical units together, greatly reduce the occupied space, and has a high degree of integration.

[0009] The utility model discloses a water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure, which has a reasonable structural design, adopts a backpack box to be directly connected to the motor, and simplifies the mechanical structure; the power supply line of the electric control box can quickly switch the circuit on and off by plugging and unplugging through a quick-plug device (i.e., a flameproof cable connector), which greatly improves the installation and commissioning efficiency and the flexibility of fault repair; a water-cooled plate is used as the rear closing plate of the box, one side of which is in close contact with the electric control box, and the other side is in close contact with the backpack box, which not only solves the problem of heat dissipation reliability of high-power modules, but also saves the work steps of installing traditional heat pipe heat dissipation fans, and truly realizes the concept of compact design; it can replace traditional drive devices, which not only simplifies the transmission structure, but also can accurately regulate the speed, greatly improves the efficiency of the drive device, reduces the influence of external factors on the drive device, and has good application prospects.

[0010] As the preferred technical solution:

[0011] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure as described above, wherein the front door panel is equipped with an observation window, an intrinsically safe keyboard and a front door panel handle;

[0012] A wiring cavity cover plate handle is arranged on the wiring cavity cover plate.

[0013] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure as described above, wherein the front side and the rear side of the box are respectively provided with a front flange and a rear flange;

[0014] The front door plate and the inverter water cooling plate are fixed to the box body through hinges respectively.

[0015] As described above, in a water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure, the inverter water cooling plate is provided with an inverter water cooling plate water inlet and an inverter water cooling plate water outlet, and the inverter water cooling plate water inlet and the inverter water cooling plate water outlet are both located on the outside of the box.

[0016] In the water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure as described above, a mining cable introduction device for introducing the mining cable into the wiring cavity is installed on the side wall of the box.

[0017] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure as described above, wherein at least one pair of lifting rings are installed on the top of the box;

[0018] A frequency conversion box base is arranged at the bottom of the box body.

[0019] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure as described above, wherein the inverter box base is fixed to the box body by the inverter box base reinforcement ribs, and the inverter box base reinforcement ribs are respectively perpendicular to the box body side walls and the inverter box base;

[0020] The frequency converter box base is provided with bolt through holes, and the grounding bolts are passed through the bolt through holes and then fixed on the mounting surface, thus fixing the box body on the mounting surface.

[0021] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure as described above, the front and rear sides of the top of the box are sealed with a front door panel dust shield and an inverter water cooling panel dust shield;

[0022] The front door panel dust shield is fixed with the front flange bolts, and the inverter water cooling plate dust shield is fixed with the rear flange bolts.

[0023] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure as described above, wherein a transition flange is welded to the rear side of the inverter water cooling plate;

[0024] The backpack box is respectively welded with a backpack box flange, a backpack box cover plate flange and a motor shaft end flange, the backpack box flange is bolted to the transition flange, the backpack box cover plate is bolted to the backpack box cover plate flange, and a backpack box cover plate handle is fixed to the backpack box cover plate;

[0025] The motor shaft end flange is connected to the motor shaft bolts.

[0026] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure as described above, wherein the motor shaft end flange is coaxial with the box;

[0027] The axial direction of the backpack box cover flange is perpendicular to the box body.

[0028] The above technical solution is only a feasible technical solution of the present utility model, and the protection scope of the present utility model is not limited thereto. Those skilled in the art can reasonably adjust the specific design according to actual needs.

[0029] The above utility model has the following advantages or beneficial effects:

[0030] (1) The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure of the utility model has a reasonable structural design, adopts a backpack box directly connected to the motor, and simplifies the mechanical mechanism;

[0031] (2) The utility model has a water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure. The inverter module, that is, the IGBT module, is arranged in the box, and the motor shaft driver is arranged in the backpack box. That is, the inverter module and the motor shaft driver are arranged on both sides of the inverter water cooling plate, respectively. The inverter water cooling plate can be fully cooled, the cooling effect is good, and the energy consumption can be greatly reduced. In terms of performance, the water cooling plate can withstand a pressure of 1MPa and is not less than 3m 3 / h water flow solves the heat dissipation problem of the inverter IGBT module and ensures the performance of the inverter operation. The backpack transition box greatly improves the flexibility of the connection between the inverter box and the electric drum;

[0032] (3) The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure of the utility model integrates the electronic control and mechanical units, greatly reducing the occupied space, with high integration, greatly reducing the workload of on-site installation, improving the efficiency of installation and subsequent work, and effectively saving the subsequent maintenance cost of the equipment;

[0033] (4) The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure of the utility model not only simplifies the transmission structure, but also can accurately adjust the speed, greatly improves the efficiency of the drive device, reduces the influence of external factors on the drive device, and has good application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The present invention and its features, appearance and advantages will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings. The same reference numerals indicate the same parts in all the drawings. The drawings are not drawn to scale, and the emphasis is on illustrating the subject matter of the present invention.

[0035] Figure 1 It is a front view of the box structure of the water-cooled mining permanent magnet synchronous electric integrated drum inverter of the utility model;

[0036] Figure 2 It is a right view of the box structure of the water-cooled mining permanent magnet synchronous electric integrated drum inverter of the utility model;

[0037] Figure 3 It is a top view of the box structure of the water-cooled mining permanent magnet synchronous electric integrated drum inverter of the utility model;

[0038] Figure 4 It is a rear view of the box structure of the water-cooled mining permanent magnet synchronous electric integrated drum inverter of the utility model;

[0039] Among them, 1 is the front door panel, 2 is the observation window, 3 is the intrinsically safe keyboard, 4 is the front door panel handle, 5 is the wiring cavity cover, 6 is the water outlet of the inverter water cooling plate, 7 is the hinge, 8 is the water inlet of the inverter water cooling plate, 9 is the inverter box base, 10 is the flameproof cable connector, 11 is the mining cable introduction device, 12 is the lifting ring, 13 is the wiring cavity cover handle, 14 is the front flange, 15 is the front door panel dust shield, 16 is the inverter water cooling plate dust shield, 17 is the inverter water cooling plate handle, 18 is the rear flange, 19 is the transition flange, 20 is the backpack box flange, 21 is the backpack box, 22 is the backpack box cover flange, 23 is the inverter box base reinforcement rib, 24 is the grounding bolt, 25 is the backpack box cover, 26 is the backpack box cover handle, 27 is the motor shaft end flange, and 28 is the inverter water cooling plate. DETAILED DESCRIPTION

[0040] The structure of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments, but is not intended to limit the present invention.

[0041] Example 1

[0042] A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure, such as Figures 1 to 4 As shown, including a box body;

[0043] The box body is a square cylindrical structure, in which a wiring cavity shell is arranged, and the wiring cavity shell opens toward the front side of the box body. The front side and rear side of the box body are respectively provided with a front flange 14 and a rear flange 18. The front side of the box body is provided with a front door plate 1 and a wiring cavity cover plate 5. The wiring cavity cover plate 5 matches the opening of the wiring cavity shell. The front door plate 1 and the wiring cavity cover plate 5 form a whole that completely closes the front side of the box body. The front side of the box body is also fixed with a flameproof cable connector 10. A mining cable connector for introducing a mining cable into the wiring cavity is installed on the side wall of the box body. The introduction device 11, the front door panel 1 is equipped with an observation window 2, an intrinsically safe keyboard 3 and a front door panel handle 4, the wiring cavity cover panel 5 is equipped with a wiring cavity cover panel handle 13, the rear side of the box body is equipped with a frequency converter water cooling plate 28 that completely closes the rear side of the box body, the front door panel 1 and the frequency converter water cooling plate 28 are respectively fixed to the box body by hinges 7, the frequency converter water cooling plate 28 is provided with a frequency converter water cooling plate water inlet 8 and a frequency converter water cooling plate water outlet 6, and the frequency converter water cooling plate water inlet 8 and the frequency converter water cooling plate water outlet 6 are both located on the outside of the box body;

[0044] The front and rear sides of the top of the box body are sealed with a front door panel dust shield 15 and a frequency converter water cooling panel dust shield 16. The front door panel dust shield 15 is bolted to the front flange 14, and the frequency converter water cooling panel dust shield 16 is bolted to the rear flange 18.

[0045] A transition flange 19 is welded to the rear side of the inverter water cooling plate 28, and a backpack box flange 20, a backpack box cover flange 22 and a motor shaft end flange 27 are respectively welded to the backpack box 21, the backpack box flange 20 is bolted to the transition flange 19, the backpack box cover 25 is bolted to the backpack box cover flange 22 and a backpack box cover handle 26 is fixed to the backpack box cover 25, the motor shaft end flange 27 is bolted to the motor shaft, the motor shaft end flange 27 is coaxial with the box body, and the axial direction of the backpack box cover flange 22 is perpendicular to the box body;

[0046] At least one pair of lifting rings 12 is installed on the top of the box body; a frequency converter box base 9 is provided at the bottom of the box body, and the frequency converter box base 9 is fixed to the box body through the frequency converter box base reinforcement ribs 23, and the frequency converter box base reinforcement ribs 23 are respectively vertically welded to the side walls of the box body and the frequency converter box base 9, and a bolt through hole is opened on the frequency converter box base 9. The grounding bolt 24 is fixed on the installation surface after passing through the bolt through hole, and the box body is fixed on the installation surface.

[0047] The box in the above structure is square, with dimensions of 1010mm*870mm*885, and is welded with Q235 structural steel; the water-cooling plate is made of steel, and is provided with upper and lower inlet and outlet water pipe threaded joints, and the water-cooling plate is provided with a flameproof surface, which meets the flameproof requirements of mining products; the water-cooling plate on the rear side of the box is provided with a backpack flange, which is welded to the rear side of the water-cooling plate and is provided with a flameproof surface; a mining flameproof connector is provided on the front side of the box, which is connected to the box by bolts and is provided with a flameproof surface.

[0048] It has been verified that the water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure of the utility model fully integrates the electronic control and mechanical units, has high energy efficiency, high integration, and is convenient for subsequent on-site installation and operation, and has good application prospects.

[0049] Those skilled in the art should understand that those skilled in the art can implement variations by combining the prior art and the above embodiments, which will not be described in detail here. Such variations do not affect the essential content of the present utility model, and will not be described in detail here.

[0050] The above describes the preferred embodiments of the utility model. It should be understood that the utility model is not limited to the above-mentioned specific implementation methods, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can use the above-disclosed methods and technical contents to make many possible changes and modifications to the technical solutions of the utility model without departing from the scope of the technical solution of the utility model, or modify them into equivalent embodiments of equivalent changes, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of protection of the technical solution of the utility model.

Claims

1. A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure, characterized in that: Including box; The box body is a square cylindrical structure, in which a wiring cavity shell is arranged, and the wiring cavity shell is opened toward the front side of the box body, and a front door panel and a wiring cavity cover plate are installed on the front side of the box body, and the wiring cavity cover plate matches with the opening of the wiring cavity shell, and the front door panel and the wiring cavity cover plate form a whole that completely closes the front side of the box body, and a flameproof cable connector is also fixed on the front side of the box body, and an inverter water-cooling plate that completely closes the rear side of the box body is installed on the rear side of the box body, and a backpack box is fixed on the rear side of the inverter water-cooling plate, and a motor shaft end flange is installed on the backpack box away from the inverter water-cooling plate.

2. The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 1 is characterized in that: The front door panel is equipped with an observation window, an intrinsically safe keyboard and a front door panel handle; A wiring cavity cover plate handle is arranged on the wiring cavity cover plate.

3. The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 1 is characterized in that: The front side and the rear side of the box body are respectively provided with a front flange and a rear flange; The front door plate and the inverter water cooling plate are fixed to the box body through hinges respectively.

4. The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 1 is characterized in that: The inverter water cooling plate is provided with an inverter water cooling plate water inlet and an inverter water cooling plate water outlet, and the inverter water cooling plate water inlet and the inverter water cooling plate water outlet are both located outside the box.

5. The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 1 is characterized in that: A mining cable introduction device for introducing the mining cable into the wiring cavity is arranged on the side wall of the box body.

6. The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 1 is characterized in that: At least one pair of lifting rings is installed on the top of the box; A frequency conversion box base is arranged at the bottom of the box body.

7. A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 6, characterized in that: The frequency converter box base is fixed to the box body through the frequency converter box base reinforcement ribs, and the frequency converter box base reinforcement ribs are respectively perpendicular to the box body side walls and the frequency converter box base; The frequency converter box base is provided with a bolt through hole, and the grounding bolt is passed through the bolt through hole and then fixed on the mounting surface, thus fixing the box body on the mounting surface.

8. The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 3 is characterized in that: The front and rear sides of the top of the box body are sealed with a front door panel dust shield and a frequency converter water cooling panel dust shield; The front door panel dust shield is fixed with the front flange bolts, and the inverter water cooling plate dust shield is fixed with the rear flange bolts.

9. The water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 1 is characterized in that: A transition flange is welded on the rear side of the inverter water cooling plate; The backpack box is respectively welded with a backpack box flange, a backpack box cover plate flange and a motor shaft end flange, the backpack box flange is bolted to the transition flange, the backpack box cover plate is bolted to the backpack box cover plate flange, and a backpack box cover plate handle is fixed to the backpack box cover plate; The motor shaft end flange is connected to the motor shaft bolts.

10. A water-cooled mining permanent magnet synchronous electric integrated drum inverter box structure according to claim 9, characterized in that: The motor shaft end flange is coaxial with the box body; The axial direction of the backpack box cover flange is perpendicular to the box body.

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