WO2014173254A1 - 具有模块化组合式电源装置的熔炼炉 - Google Patents

具有模块化组合式电源装置的熔炼炉 Download PDF

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Publication number
WO2014173254A1
WO2014173254A1 PCT/CN2014/075707 CN2014075707W WO2014173254A1 WO 2014173254 A1 WO2014173254 A1 WO 2014173254A1 CN 2014075707 W CN2014075707 W CN 2014075707W WO 2014173254 A1 WO2014173254 A1 WO 2014173254A1
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WO
WIPO (PCT)
Prior art keywords
power supply
supply device
box
smelting furnace
combined power
Prior art date
Application number
PCT/CN2014/075707
Other languages
English (en)
French (fr)
Inventor
阙伯勋
Original Assignee
五力机电科技（昆山）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201310138263.4A external-priority patent/CN103260375B/zh
Priority claimed from CN201310139155.9A external-priority patent/CN103236778B/zh
Priority claimed from CN201310152713.5A external-priority patent/CN103185457B/zh
Priority claimed from CN201310151642.7A external-priority patent/CN103307877B/zh
Application filed by 五力机电科技（昆山）有限公司 filed Critical 五力机电科技（昆山）有限公司
Publication of WO2014173254A1 publication Critical patent/WO2014173254A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
    • F27B14/061—Induction furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/14—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B2014/002—Smelting process, e.g. sequences to melt a specific material

Definitions

  • the present invention relates to a smelting furnace, and more particularly to a smelting furnace having a modular combined power supply unit having a modular combined power supply with wire protection.
  • the melting furnace uses 200 ⁇ 2500Hz intermediate frequency power supply for induction heating, and the power range is 20 ⁇ 2500KW. According to its characteristics, it can also be called medium frequency electric furnace.
  • the smelting furnace uses the intermediate frequency power source to establish an intermediate frequency magnetic field, which causes the induced eddy current inside the ferromagnetic material to generate heat and achieve the purpose of heating the material.
  • the medium frequency electric furnace adopts 200-2500HZ intermediate frequency power supply for induction heating and smelting and heat preservation.
  • the smelting furnace is mainly used for melting carbon steel, alloy steel and special steel, and can also be used for melting and warming of non-ferrous metals such as copper and aluminum.
  • the utility model has the advantages of small volume, light weight, high efficiency, low power consumption, fast melting and heating, easy control of furnace temperature and high production efficiency, but there are still a series of problems in the actual production process.
  • the current melting furnace generally uses a reducer or a cylinder as a driving member, and the speed reducer has a lower driving cost, and the cylinder is driven with higher precision.
  • the current furnace body of the melting furnace can only be tilted in a tilting manner of the speed reducer or the oil cylinder.
  • the melting furnace cannot easily replace the tilting mode, and the melting furnace body has poor versatility.
  • the coil of the furnace body in the melting furnace is connected to the external power source through the cable.
  • the coil of the cable is also driven to rotate, which is very likely to cause cable wear.
  • the cable of the cable is exposed, and there is a large The safety hazard, at the same time, the cable wear is also very easy to cause damage to the cable, resulting in the entire melting furnace can not be used.
  • the traditional induction heating power supply unit adopts the order production. According to the customer's requirements, it is necessary to redesign the cabinet, re-manufacture, and waste a lot of labor costs. In addition, a single electrical component is assembled in order. On the one hand, the assembly process is complicated, the production efficiency is low, and the quality cannot be guaranteed. On the other hand, due to the limitation of the working environment of the power supply device, after the device is positioned and used, the parts are very disassembled or replaced. difficult, It costs a lot of time and is inconvenient to maintain.
  • the RC module is generally assembled for each component in turn, and each step is pinned by other module boards. In space, it can't be assembled at one time, and the assembly space is disturbed and limited by other module boards. In the assembly time, the configuration problem of other module boards should be considered in the assembly process, which greatly reduces the problem. Production efficiency and wasted a lot of labor costs.
  • the present invention provides a melting furnace having a modular combined power supply unit.
  • a melting furnace having a modular combined power supply device comprising a melting furnace and a modular combined power supply device, the melting furnace comprising a melting furnace body, a tilting frame and a driving mechanism, and further comprising a water-cooled cable, a protective plate, and a conductive connecting body
  • rotating the guide sleeve the top side of the melting furnace body is provided with a nozzle for pouring the casting liquid, and the tilting frame is connected to the two side panels adjacent to the nozzle mounting panel through the rotating shaft, and the rotating shaft is connected with the driving mechanism a cable outlet hole is formed on a side panel adjacent to the nozzle mounting panel, and the conductive connector connected to the furnace coil passes through the cable outlet hole, and the water-cooled cable connected to the conductive connector passes through Rotating guide sleeve guide, the rotary guide sleeve is connected with the rotating shaft, and a protective plate is arranged on the side of the melting furnace body;
  • the modular combined power supply device comprises a fixed base and an interchangeable position and an adjustable number of rectifier boxes, an inverter box and a capacitor box disposed on the fixed base; the rectifier box, the inverter box and the capacitor box are a detachable plate type box structure; a partitioning unit is provided with a control module, a rectifying module and a switching switch; the inverter box is provided with an inverter module and a RC module; and the capacitor box is provided with a Or a plurality of interconnected capacitors; the rectifier box, the inverter box and the capacitor box are internally connected by a busbar copper row; the rectifier box, the inverter box and the capacitor box are one or more.
  • a nozzle for pouring the casting liquid is disposed on a side panel of the top of the melting furnace body, and the two adjacent panels on the adjacent side of the nozzle mounting panel are respectively provided with a plurality of screw holes capable of installing the cylinder tilting frame, Furnace A reduction gear mounting hole is provided at a center point position of the adjacent side panels of the panel.
  • the melting furnace body is disposed above the base, and two side panels adjacent to the nozzle mounting panel are located between the two supporting arms of the tilting frame, and one of the supporting arms is provided with a speed reducer, the deceleration
  • the output shaft of the machine is movably connected to the corresponding side panel of the melting furnace body, and the other supporting arm of the tilting frame is movably connected to the corresponding side panel of the melting furnace body through a rotating shaft, and the rotating guiding sleeve is connected with the rotating shaft on the supporting arm.
  • a protective plate is further included, and a protective plate is disposed beside the side panel connected to the rotating shaft, and the conductive connecting body extending outside the melting furnace body is disposed in the protective plate.
  • a fixing device for fixing the corresponding module is respectively disposed in the box of the rectifier box, the inverter box and the capacitor box, and a heat exchanger module is disposed beside the capacitor box.
  • the switch further comprises two first conductive plates respectively connected to the respective induction furnace bodies, a second conductive plate connected to the variable frequency power supply, and the second conductive plate is provided to be rotatable around the second conductive plate And a rotating conductive plate respectively connected to the two first conductive plates, wherein the rotating conductive plate is provided with a water-cooling tube, and the first conductive plate is provided with a water-cooling tube.
  • the RC module includes a module board body, and the module board body is partitioned with a capacitor unit, a resistor unit, a water-cooling resistor unit and a diode unit, the capacitor unit, the resistor unit, the water-cooling resistor unit, and The diode units are electrically connected in sequence.
  • the module board body is further provided with a diode heat sink for preventing the temperature of the diode unit from being too high, and the diode unit is fixedly disposed on the module board body through a diode heat sink.
  • the module board body is further provided with a backup capacitor unit.
  • the module board body is made of an insulating material.
  • a conductive connecting body is sleeved on the outer side of the water-cooled cable, and the conductive connecting body is arranged to ensure that the water-cooled cable does not contact the mechanical part of the device when rotating, and the water-cooled cable is protected from wear and tear. It improves the safety and reliability of the entire installation and extends the service life of the water-cooled cable.
  • the water-cooled cable is connected to the rotating guide sleeve through the cable outlet hole, and the rotating guide sleeve is connected with the rotating shaft.
  • the water-cooled cable also performs the same movement following the furnace body, which can substantially ensure that the furnace body and the water-cooled cable are relatively stationary. This further reduces friction and improves protection.
  • the water-cooled cable is made of rubber, it will easily burn out when exposed to an open flame. Therefore, the conductive connecting body outside the body of the melting furnace is placed in the protective plate, and even if the high temperature soup overflows when the nozzle is poured, It will damage the conductive connector and the water-cooled cable and has a good protective effect.
  • a cylinder tilting plate that can be connected to the cylinder tilting frame is respectively mounted on the two side panels, and a reducer mounting hole is arranged at a central point of the two side panels, so that the tilting mode of the reducer and the tilting manner of the cylinder can be conveniently and quickly performed.
  • the smelting furnace body has good versatility, and there is no need to purchase two sets of equipment, which greatly saves the cost of the enterprise.
  • the modular combined power supply unit adopts independent modular and modular parts of the power supply unit, and can be assembled quickly through the busbar copper busbar.
  • the disassembly is simple and convenient, and the induction heating power supply device group can be effectively solved.
  • the assembly process is complicated.
  • the production efficiency is low and the quality cannot be guaranteed.
  • due to the limitation of the working environment of the power supply unit after the equipment is positioned and used, it is very difficult to disassemble or replace the parts. It is time-consuming and labor-intensive, and can adapt to the development of the DIY market. User needs.
  • the resistance-capacitor module has a simple structure and convenient installation.
  • the various units in the RC module are assembled on the module board body, which can be copied and produced in batches, and then the module board and other modules are directly assembled and connected, and assembled quickly.
  • the disassembly design not only improves production efficiency, but also enables multi-power quick combination, avoids repeated design, and can adapt to the development of the DIY market and user needs.
  • the switch is manually operated after the power supply is completely cut off, and has a compact structure, a small footprint, high operability, high safety factor, and low manufacturing and running costs.
  • the circulation of cold water is used to reduce the temperature of the switch, which is convenient to use, does not waste energy, and has low cooling cost.
  • the cooling spring is used to set the compression spring to extinguish the arc, which reduces the probability of failure.
  • the invention adopts an insulation design to prevent leakage.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • FIG. 2 is a schematic structural view of a modular combined power supply device according to the present invention.
  • FIG. 3 is a schematic view showing the overall structure of a medium-sized and medium-frequency power supply device according to the present invention.
  • FIG. 4 is a schematic diagram of the overall structure of a medium-high power intermediate frequency power supply device according to the present invention.
  • FIG. 5 is a schematic structural view of a RC module according to the present invention.
  • FIG. 6 is a schematic diagram of the principle of the switch of the present invention.
  • Figure 7 is a front elevational view of the switch of the present invention.
  • Figure 8 is a front elevational view of the melting furnace of the present invention.
  • Figure 9 is a schematic view showing the state in which the melting furnace of the present invention is not tilted.
  • Figure 10 is a schematic view showing the tilting state of the melting furnace of the present invention.
  • Figure 11 is a schematic structural view of the side panel of the melting furnace body of the present invention.
  • Figure 12 is a front view of the furnace body of the melting furnace which can be quickly changed in the tilting mode according to the present invention
  • Figure 13 is a side view of the furnace body of the smelting furnace which can be quickly changed in the tilting mode according to the present invention.
  • FIG. 1 a schematic diagram of the overall structure of a melting furnace with a modular combined power supply device according to the present invention is shown, including a melting furnace and a modular combined power supply device, and a corresponding modular combined power supply device is shown in FIG. 2 . As shown,
  • the modular combined power supply device includes a fixed base and is arranged on the fixed base and is interchangeably arranged
  • the rectifier box, the inverter box and the capacitor box of the position; the rectifier box, the inverter box and the capacitor box are detachable plate type box structures; the control box, the rectifier module and the switching switch are arranged in the partition box;
  • the inverter box is provided with an inverter module and a RC module;
  • the capacitor box is provided with one or more interconnected capacitors; the rectifier box, the inverter box and the capacitor box are internally connected by a busbar copper bar
  • the rectifier box, the inverter box and the capacitor box are one or more.
  • the fixed base is fixedly assembled by a rectifier box, an inverter box and a box base corresponding to the capacitor box.
  • Fixing devices for fixing the corresponding modules are respectively disposed in the cabinets of the rectifier box, the inverter box, and the capacitor box.
  • the fixing device is provided with a plurality of fixing bolts for connecting and fixing.
  • the modular modular power supply unit also includes a heat exchanger module disposed adjacent to the capacitor box.
  • the plurality of boxes can be independent of each other, and the number and the combined position can be adjusted at will.
  • the reverse box and capacitor box, the position between them can be interchanged, does not affect the function and use of the entire modular modular power unit.
  • the number and combination of the various modules inside each cabinet can be adjusted to adjust the power of the entire power supply unit.
  • Fig. 3 it is a small intermediate frequency power supply unit composed of a rectifier box, an inverter box and a capacitor box and heat exchanger module.
  • FIG. 4 it is a high-power IF power supply unit consisting of a rectifier box, two capacitor boxes, an inverter box and a heat exchanger module.
  • the RC module includes a module board 11 , wherein: the module board is partitioned with a capacitor unit 12 , a resistor unit 13 , a water-cooling resistor unit 14 , and a diode unit 15 .
  • the unit 12, the resistor unit 13, the water-cooling resistor unit 14, and the diode unit 15 are electrically connected in sequence.
  • the module board body 11 is further provided with a diode heat sink 16 for preventing the temperature of the diode unit 15 from being excessively high.
  • the diode unit 15 is fixedly connected to the module board body 11 through the diode heat sink 16 . on.
  • a spare capacitor unit 17 is further disposed on the module board body.
  • the capacitor is a relatively easy to damage unit device. In order to prevent ignition damage, the entire RC module cannot be used continuously. For this reason, the capacitor unit can be used to extend the service life of the RC module. , to prevent emergency failure caused by capacitor damage.
  • the module board body 11 is made of an insulating material, and is provided with a plurality of mounting holes for arranging the fixed unit modules.
  • the module board body 11 is provided in a square structure that is easy to assemble. In this way, in the assembly process, the module board body can be directly pulled out or inserted, and the installation can be fixed, which greatly improves the assembly efficiency and facilitates mass production.
  • the switch includes a first fixed copper plate 21, a third fixed copper plate 22, a switching copper plate 23, an insulating base 24, a convex spacer 25, a handle 26, a compression spring 27, and a second fixed copper plate 100.
  • the insulating base 24 is made of an insulating material, the first fixed copper plate 21, the second fixed copper plate 100, and the third fixed copper plate 22 are disposed on the insulating base 24.
  • the first fixed copper plate 21 is disposed on the top left side of the insulating base 24, and the second fixed
  • the copper plate 100 is disposed on the top right side of the insulating base 24, and the third fixed copper plate 22 is disposed in the middle of the top of the insulating base 24.
  • the first fixing plate 21 is connected to the left induction furnace body 28, and the second fixed copper plate 100 is connected to the right induction furnace body 29.
  • the third fixed copper plate 22 is provided with a switching copper plate 23 rotatable around the third fixed copper plate 22 and capable of communicating with the first fixed copper plate 21 or the second fixed copper plate 100, respectively, in the first fixed copper plate 21 and the third fixed copper plate 22
  • the water switch copper tube 23 and the second fixed copper plate 100 are respectively provided with water-cooled copper tubes, water-cooled copper tubes are respectively provided with water nozzles at two ends, two water nozzles are used as water inlets, and one is used as water outlet, so that cold water can be passed through to the copper plates. Circulating cooling, cooling effect is better.
  • the compression spring 27 is mounted on a bolt drawn from the contact surface of the switching copper plate 23, and the compression spring 27 The intermediate rotating shaft portion and the two-side contact portions are included, so that the contact surface of the switched copper plate 23 after switching is fully contacted with the first fixed copper plate 21 or the second fixed copper plate 100, thereby avoiding arcing between the copper plates and affecting normal operation, thereby realizing the joint copper plate. High efficiency and electrical conductivity.
  • a compression washer 25 is provided on the compression spring 27 in a stepwise manner to fix the radial runout of the compression spring.
  • the shims 25 and the compression springs 27 are made of a non-magnetic material to avoid heat generation.
  • the switch copper plate 23 is provided with a handle for pressing the switch copper plate 23 on both sides of the front end.
  • the handle 26 on the left side is pressed to connect the switching copper plate 23 to the first fixed copper plate 21, and the left induction furnace body 28 is turned on.
  • Pressing the handle 26 on the right side connects the switching copper plate 23 to the second fixed copper plate 100, and the right sensing body 29 is turned on.
  • the invention reduces the temperature of the switch by adding cold water to the water-cooled copper pipe, utilizes the circulation action of the cold water, is convenient to use, does not waste energy, has low cooling cost, is energized by water first, is cooled by cold water, and is provided with a compression spring 7 The function is used to extinguish the arc, which reduces the probability of occurrence of the fault.
  • the invention adopts an insulation design to prevent leakage.
  • the melting furnace includes a melting furnace body 31, a tilting frame 32, a speed reducer 33, a water-cooled cable, a conductive connecting body 35, a rotating guide sleeve 36, and a fender 42 on the top side panel of the melting furnace body 31.
  • a nozzle 34 for pouring the casting liquid is disposed, the tilting frame 32 includes a base 37, a left supporting arm 38 and a right supporting arm 39, and a left supporting arm 38 and a right supporting arm 39 are respectively disposed on both sides of the base 37, the left The length of the support arm 38 is longer than the length of the right support arm 39.
  • the melting furnace body 31 is disposed above the base 37, and the side panels adjacent to the mounting panel of the burner 34 are located between the left support arm 38 and the right support arm 39 of the tilting frame 32, and the reducer is disposed on the right support arm 39.
  • the output shaft 40 of the reducer 39 is movably connected to the corresponding side panel of the melting furnace body 31, and the left support arm 38 is movably connected to the corresponding side panel of the melting furnace body 31 via the rotating shaft 41, on the side connected to the rotating shaft 41.
  • a cable outlet hole 44 is defined in the panel, and the conductive connector 35 connected to the furnace coil is connected to the water-cooled cable through the cable outlet hole 44.
  • the water-cooled cable is guided through the rotating guide sleeve 36, and the rotating guide sleeve 36 and the left support arm are rotated.
  • the shafts 41 on the 38 are connected.
  • a shield 42 is disposed beside the side panel connected to the rotating shaft 41.
  • the conductive connecting body 35 extending from the outer side of the melting furnace body 31 is disposed in the shield 42.
  • a fixing bracket 43 extends downward from the top of the fender 42. The fixing bracket 43 is fixed to a portion of the electrically conductive connecting body 35 which extends outside the main body 31 of the melting furnace.
  • the conductive connecting body 35, the rotating guide sleeve 36 and the protective plate 42 are arranged on the outer side of the water-cooled cable to overcome the irregular movement of the water-cooled cable during the rotation of the furnace body and the splash of molten steel.
  • the wear and burn damage increases the safety and reliability of the entire equipment and extends the service life of the water-cooled cable.
  • the conductive connecting body 35 is connected to the water-cooling cable through the cable outlet hole 44, and the water-cooling cable is guided through the rotating guide sleeve 36.
  • the rotating guide sleeve 36 is connected with the rotating shaft 41. When rotating, the water-cooled cable also follows the melting furnace body.
  • the conductive connecting body 35 extending outside the main body of the melting furnace 31 is disposed in the protective plate, so that when the nozzle 34 is poured, even if the high-temperature soup liquid accidentally overflows, the conductive connecting body 35 and the water-cooled cable are not damaged. Protection effect.
  • a fixing bracket 43 is disposed in the protective plate 42. The fixing bracket 43 can fix the conductive connecting body 35 extending outside the melting furnace body 31, so that the conductive connecting body 35 does not fall down, affecting the rotation of the furnace body, and the design is more reasonable.
  • a melting furnace body which can quickly change the tilting mode, including a melting furnace body 51, a nozzle 53, and two cylinder tilting plates 54, which are provided on the top side panel 52 of the melting furnace body 51.
  • the cylinder tilting plate 55 is attached to each of the side panels 54 adjacent to the nozzle 53 mounting panel 52, and the rotating shaft 59 is provided at each end portion of the cylinder tilting plate 55.
  • a speed reducer mounting hole 58 is provided at a center point of the adjacent side panel 54 of the mouth plate 53 mounting panel 52.
  • the two cylinder tilting plates 55 have the same length.
  • a plurality of screw holes 56 are provided in the side plates 54 adjacent to the mounting plate 52 of the burner 53, and the cylinder tilting plates 55 are mounted by screws 57.
  • the screw holes 56 of the side panels 54 are the same, and the inclination angles of the two cylinder tilting plates 55 are the same.
  • One end of the cylinder tilting plate 55 is disposed at a top position of the side panel 54 adjacent to the mouth 53 mounting panel 52 near the mouth of the mouth 53 and the other end is installed obliquely above the center point of the side panel 54.
  • the tilting furnace furnace body can be quickly replaced, and the cylinder tilting plates 55 connectable to the cylinder tilting brackets are respectively mounted on the side panels 54, and the reducer mounting holes are provided at the center points of the side panels 54 at the same time. 58, this can be easily and quickly replaced between the tilting mode of the reducer and the tilting mode of the cylinder.
  • the smelting furnace body has better versatility, and it is not necessary to purchase two sets of equipment, which greatly saves the cost of the enterprise.
  • the invention adopts the oil cylinder mode to drive when fixed-point casting, and the melting furnace body needs to rotate around the rotating shaft 59 near the top of the nozzle side during the turning process. Since the turning position is close to the furnace mouth, the nozzle can be ensured not during the rotation process. There will be shaking, improve the stability and safety factor of casting, and greatly improve the precision of casting, and ensure the quality of the product.
  • the use of a reducer to control the rotation of the smelting furnace, casting for a fixed point, the operation mode is simple and convenient, the entire drive mechanism is low in manufacturing cost, and the disassembly and maintenance is convenient and fast.

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  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

一种具有模块化组合式电源装置的熔炼炉，包括熔炼炉和模块化组合式电源装置，熔炼炉在本体的一侧或两侧设置导电连接体、旋转导套和防护板，导电连接体的一侧与炉体线圈连接，另一侧与水冷电缆连接；旋转导套用来导正水冷电缆的放置方向；防护板固定在炉体的一侧，置于水冷电缆的上部；克服了水冷电缆在炉体转动时的不规律运动和被钢水溅到造成的磨损和烫伤损害，提高了整个设备的安全可靠性，也延长了水冷电缆使用寿命；模块化组合式电源装置，将电源装置的各个功能采用独立的模块化、零件模块化的单元，并通过母线铜排能够实现组装快速，拆卸简捷，能够有效的解决感应加热电源装置生产速度慢、维护不方便等缺点。

Description

具有模块化组合式电源装置的熔炼炉
技术领域
本发明涉及一种熔炼炉，特别是一种具有模块化组合式电源装置的熔炼炉， 其具有模块化组合式电源， 带有导线保护功能。
背景技术
熔炼炉采用 200〜2500Hz中频电源进行感应加热，功率范围为 20〜2500KW， 根据其特点亦可称为中频电炉。 熔炼炉利用中频电源建立中频磁场， 使铁磁材 料内部产生感应涡流并发热， 达到加热材料的目的。 中频电炉采用 200-2500HZ 中频电源进行感应加热， 熔炼保温， 熔炼炉主要用于熔炼碳钢， 合金钢， 特种 钢， 也可用于铜， 铝等有色金属的熔炼和提温。 具有设备体积小， 重量轻， 效 率高， 耗电少， 熔化升温快， 炉温易控制， 生产效率高的特点， 但在实际生产 过程中仍存在一系列的问题。
目前的熔炼炉一般会采用减速机或油缸作为驱动件，减速机驱动成本较低， 而油缸驱动， 精度较高。 但是目前的熔炼炉炉体只能适合减速机或油缸一种倾 动方式倾动， 熔炼炉不能方便的更换倾动方式， 熔炼炉炉体通用性较差。
目前熔炼炉内炉体线圈是通过电缆与外部电源相连接， 熔炼炉在转动时， 也会带动电缆线圈转动， 这样会十分容易造成电缆磨损， 经过一段时间使用后 电缆的导线裸露， 存在较大的安全隐患， 同时电缆磨损也十分容易造成电缆的 损坏报废， 造成整个熔炼炉无法使用。
传统的感应加热电源装置采用接单生产， 根据客户的要求不同， 需要重新 设计箱体， 重新制作， 浪费许多的人工费用。 还有就是单颗电器元件按次序组 装而成， 一方面组装过程复杂， 生产效率低下， 品质也无法得到保障， 另一方 面因电源装置的工作环境限制， 设备定位使用后， 拆卸或者更换零件十分艰难， 费工费时， 维护不便。 阻容模块一般为各零部件依次组装， 并且每一步都会受 到其它模组板体的牵制。 在空间上， 不能一次性将其组装完成， 且装配空间受 其它模组板体的干扰和限制； 在装配时间上， 在装配的过程中要考虑其它模组 板体的配置问题， 大大降低了生产效率且浪费了很多人工成本。
发明内容
为了解决以上的技术问题， 本发明提供一种具有模块化组合式电源装置的 熔炼炉。
一种具有模块化组合式电源装置的熔炼炉， 包括熔炼炉和模块化组合式电 源装置， 所述熔炼炉包括熔炼炉本体， 倾动架和驱动机构， 还包括水冷电缆、 防护板、 导电连接体和旋转导套， 在熔炼炉本体顶部一侧面板上设置有用于倾 倒浇铸液体的炉嘴，所述倾动架通过转轴与炉嘴安装面板相邻的两侧面板连接， 所述转轴与驱动机构连接， 在与炉嘴安装面板相邻的一侧面板上开设有电缆出 线孔， 所述与炉体线圈相连接的导电连接体穿过电缆出线孔， 所述和导电连接 体连接的水冷电缆穿过旋转导套导向， 所述旋转导套与转轴相连接， 在熔炼炉 本体的侧面装有防护板；
所述模块化组合式电源装置包括固定底座和设置在固定底座上可互换排列 位置和可增减数量的整流箱、 逆变箱和电容箱； 所述整流箱、 逆变箱和电容箱 为可拆卸的板式箱体结构； 所述整流箱中分区设置有控制模块、 整流模块和切 替开关； 所述逆变箱中分区设置有逆变模块和阻容模块； 所述电容箱中设置有 一个或多个相互连接的电容器； 所述整流箱、 逆变箱和电容箱内部通过母线铜 排相互连接； 所述整流箱、 逆变箱和电容箱为一个或一个以上。 进一步的， 在 熔炼炉本体顶部一侧面板上设置有用于倾倒浇铸液体的炉嘴， 所述与炉嘴安装 面板相邻两侧面板上分别设置有若干能够安装油缸倾动架连的螺孔， 在炉嘴安 装面板相邻两侧面板的中心点位置设置有减速机安装孔。
进一步的， 所述熔炼炉本体设置于底座上方， 且与炉嘴安装面板相邻的两侧 面板位于倾动架两个支撑臂之间， 所述其中一个支撑臂上设置有减速机， 所述 减速机的输出轴与熔炼炉本体对应侧面板活动连接， 所述倾动架另一个支撑臂 通过转轴与熔炼炉本体对应侧面板活动连接， 所述旋转导套与该支撑臂上的转 轴连接。
进一步的， 还包括防护板， 在与转轴连接的侧面板旁设置有防护板， 所述伸 出熔炼炉本体外侧的导电连接体设置于防护板内。
进一步的， 所整流箱、逆变箱和电容箱的箱体内分别设置有用于固定对应模 块的固定装置， 在电容箱旁设置有热交换器模块。
进一步的， 所述切替开关还包括两个分别连接各自感应炉体的第一导电板， 一个与变频电源相连接的第二导电板， 在第二导电板上设置有能够绕第二导电 板旋转且能分别与两个第一导电板连通的旋转导电板， 所述旋转导电板内设置 有水冷管， 所述第一导电板内设置有水冷管。
进一步的， 所述阻容模组包括模组板体， 所述模组板体上分区设置有电容单 元、 电阻单元、 水冷电阻单元和二极管单元， 所述电容单元、 电阻单元、 水冷 电阻单元和二极管单元依次相电连接。
特别的，所述模组板体上还设置有用于防止二极管单元温度过高的二极管散 热器， 所述二极管单元通过二极管散热器连接固定设置在模组板体上。
特别的， 所述模组板体上还设置有备用电容单元。
特别的， 所述模组板体为绝缘材质制成。
本发明所述熔炼炉， 在水冷电缆外侧套设有导电连接体， 通过设置导电连接 体保证水冷电缆在转动时不与设备机械部分接触，保护水冷电缆不被磨损损坏， 提高了整个设别的安全可靠性， 也延长了水冷电缆使用寿命。 同时水冷电缆穿 过电缆出线孔与旋转导套相连接， 所述旋转导套与转轴相连接， 这样转动时， 水冷电缆也跟随炉体做相同的运动， 可以大致保证炉体与水冷电缆相对静止， 这样进一步降低了摩擦， 提高防护效果。 同时因为水冷电缆为橡胶材质， 遇到 明火会很容易烧坏掉， 所以在伸出熔炼炉本体外侧的导电连接体设置于防护板 内， 炉嘴倾倒时即使有高温汤液不小心溢出也不会对导电连接体以及水冷电缆 造成损坏， 具有良好的保护效果。
在两侧面板上分别安装有能够与油缸倾动架连接的油缸倾动板，同时在两侧 面板的中心点位置设置有减速机安装孔， 这样可方便快速的在减速机倾动方式 和油缸倾动方式之间进行更换， 熔炼炉炉体通用性较好， 无需购置两套设备， 大大节省了企业的成本。
采用模块化组合式电源装置， 将电源装置采用独立的模块化、零件模块化的 单元， 并通过母线铜排能够组装快速， 拆卸简捷， 能够有效的解决感应加热电 源装置组， 一方面组装过程复杂， 生产效率低下， 品质也无法得到保障， 另一 方面因电源装置的工作环境限制， 设备定位使用后， 拆卸或者更换零件十分艰 难， 费工费时， 维护不便的问题， 能够适应 DIY市场的发展和用户需求。
尤其是阻容模块， 结构简单， 安装方便， 将阻容模块中的各个单元拼装在模 组板体上， 可批量复制生产， 然后直接将模组板体和其他模块进行组装连接， 快速、 组装、 拆卸设计， 既提升了生产效率， 还能实现多功率快速组合， 避免 重复设计， 能够适应 DIY市场的发展和用户需求。
切替开关是在电源完全切掉之后人工操作， 其结构紧凑， 占地面积小， 可操 作性强， 安全系数高， 制作和运行成本低。 通过向水冷铜管内加冷水， 利用冷 水的循环作用来降低开关的温度， 使用方便， 不浪费能源， 冷却成本低， 使用 时先通水后通电， 利用冷水冷却， 设置压缩弹簧的作用是用来灭弧， 降低了故 障发生的概率， 同时本发明多采用绝缘设计， 能够防止漏电。
附图说明
图 1为本发明的总体结构示意图；
图 2为本发明中所述模块化组合电源装置的结构组成示意图；
图 3为本发明采用中小型中频电源装置的总体结构示意图；
图 4为本发明采用中大功率中频电源装置的总体结构示意图；
图 5为本发明所述阻容模块的结构示意图；
图 6是本发明所述切替开关的原理示意图；
图 7是本发明所述所述切替开关的主视图；
图 8是本发明所述熔炼炉的主视图；
图 9是本发明所述熔炼炉未倾动状态示意图；
图 10是本发明所述熔炼炉倾动状态示意图；
图 11是本发明所述熔炼炉本体侧面板的结构示意图；
图 12是本发明所述可快速更换倾动方式的熔炼炉炉体主视图；
图 13是本发明所述可快速更换倾动方式的熔炼炉炉体侧视图。
具体实施方式
为详细说明本发明的技术内容、 构造特征、 所实现目的及效果， 以下结合实 施方式并配合附图详予说明。
如图 1所示，给出了本发明所述具有模块化组合式电源装置的熔炼炉的总体 结构示意图， 包括熔炼炉和模块化组合式电源装置， 相应的模块化组合式电源 装置如图 2所示，
所述模块化组合式电源装置包括固定底座和设置在固定底座上可互换排列 位置的整流箱、 逆变箱和电容箱； 所述整流箱、 逆变箱和电容箱为可拆卸的板 式箱体结构； 所述整流箱中分区设置有控制模块、 整流模块和切替开关； 所述 逆变箱中分区设置有逆变模块和阻容模块； 所述电容箱中设置有一个或多个相 互连接的电容器； 所述整流箱、 逆变箱和电容箱内部通过母线铜排相互连接； 所述整流箱、 逆变箱和电容箱为一个或一个以上。
所述固定底座为整流箱、 逆变箱和电容箱对应的箱体底座固定组装而成。 所整流箱、逆变箱和电容箱的箱体内分别设置有用于固定对应模块的固定装 置。
所述固定装置上设置有用于连接固定的多个固定螺栓。
所述模块化组合式电源装置还包括设置在电容箱旁的热交换器模块。
其中， 多个箱体之间可相互独立， 数量和组合位置可以随意调整。 特别是逆 变箱和电容箱， 它们之间的位置可以互换， 并不影响整个模块化组合式电源装 置的功能与使用。 另外各个箱体内部各个模块的数量和组合方式可以调整， 用 以调整整个电源装置的功率。
如图 3所示， 为由一个整流箱、一个逆变箱和一个电容箱和热交换器模块组 合而成的小型中频电源装置。
如图 4所示， 为由一个整流箱、 两个电容箱、一个逆变箱和热交换器模块组 合而成的大功率中频电源装置。
如图 5所示， 阻容模块包括模组板体 11， 其特征在于： 所述模组板体上分区 设置有电容单元 12、 电阻单元 13、 水冷电阻单元 14和二极管单元 15， 所述电 容单元 12、 电阻单元 13、 水冷电阻单元 14和二极管单元 15依次相电连接。
所述模组板体 11上还设置有用于防止二极管单元 15温度过高的二极管散热 器 16， 所述二极管单元 15通过二极管散热器 16连接固定设置在模组板体 11 上。
所述模组板体上还设置有备用电容单元 17。 在整个阻容模组块中， 电容为 比较容易损坏的单元器件， 为了防止点燃的损坏而导致整个阻容模块不能继续 使用， 为此， 加装备用电容单元， 可以延长阻容模块的使用寿命， 预防电容损 坏造成的紧急故障。
所述模组板体 11为绝缘材质制成， 其上设置有多个用于布置固定单元模块 的安装位孔。
所述模组板体 11设置为便于组装的方形结构。 这样在组装过程中， 可以直 接通过将模组板体抽出或者插入， 便可固定安装， 大大提高了组装效率， 便于 批量生产。
如图 6、 7所示， 切替开关包括第一固定铜板 21、 第三固定铜板 22、 切换铜 板 23、 绝缘底座 24、 凸垫片 25、 把手 26、 压缩弹簧 27和第二固定铜板 100。 绝缘底座 24采用绝缘材料制成， 第一固定铜板 21， 第二固定铜板 100， 第三固 定铜板 22设置于绝缘底座 24上， 第一固定铜板 21设置于绝缘底座 24顶部左 侧， 第二固定铜板 100设置于绝缘底座 24顶部右侧， 第三固定铜板 22设置于 绝缘底座 24顶部中间。所述第一固定板 21与左侧感应炉体 28相连接， 第二固 定铜板 100与右侧感应炉体 29相连接。
在第三固定铜板 22上设置有能够绕第三固定铜板 22旋转且能分别与第一固 定铜板 21或第二固定铜板 100连通的切换铜板 23， 在第一固定铜板 21、 第三 固定铜板 22、 切换铜板 23和第二固定铜板 100内均设置有水冷铜管， 水冷铜 管两端分别设置有水口， 两个水口一个作为进水口， 一个作为出水口， 这样可 通入冷水对各铜板进行循环冷却， 冷却效果较好。
所述压缩弹簧 27安装在切换铜板 23接触面上引出的螺栓上， 压缩弹簧 27 包括中间旋转轴部分和两侧接触部分，使切换后的切换铜板 23接触面与第一固 定铜板 21或第二固定铜板 100充分接触，避免铜板间短距离产生电弧而影响正 常工作， 实现衔接铜板高效率导电。在压缩弹簧 27上设置有采用阶梯方式固定 压缩弹簧径向跳动的凸垫片 25。凸垫片 25和压缩弹簧 27是用不导磁材质制成， 以避免发热状况发生。
切换铜板 23前端两侧分别设置有一个用于按压切换铜板 23的把手。压住左 边的把手 26， 使切换铜板 23与第一固定铜板 21连接， 则左侧感应炉体 28导 通。 压住右边的把手 26， 使切换铜板 23与第二固定铜板 100连接， 则右侧感 应炉体 29导通。
在电源完全切掉之后人工操作， 其结构紧凑， 占地面积小， 可操作性强， 安全系数高， 制作和运行成本低。 本发明通过向水冷铜管内加冷水， 利用冷水 的循环作用来降低开关的温度， 使用方便， 不浪费能源， 冷却成本低， 使用时 先通水后通电， 利用冷水冷却， 设置压缩弹簧 7的作用是用来灭弧， 降低了故 障发生的概率， 同时本发明多采用绝缘设计， 能够防止漏电。
如图 8-11所示， 熔炼炉包括熔炼炉本体 31、 倾动架 32、 减速机 33、 水冷电 缆、 导电连接体 35、 旋转导套 36和防护板 42， 在熔炼炉本体 31顶部一侧面板 上设置有用于倾倒浇铸液体的炉嘴 34， 倾动架 32包括底座 37， 左支撑臂 38和 右支撑臂 39， 在底座 37两侧分别设置有左支撑臂 38和右支撑臂 39， 所述左支 撑臂 38的长度长于右支撑臂 39的长度。
熔炼炉本体 31设置于底座 37上方， 且与炉嘴 34安装面板相邻的两侧面板 位于倾动架 32的左支撑臂 38和右支撑臂 39之间， 在右支撑臂 39上设置有减 速机， 减速机 39的输出轴 40与熔炼炉本体 31对应侧面板活动连接， 左支撑臂 38通过转轴 41与熔炼炉本体 31对应侧面板活动连接， 在与转轴 41连接的侧 面板上开设有电缆出线孔 44， 与炉体线圈相连接的导电连接体 35穿过电缆出 线孔 44与水冷电缆相连接， 水冷电缆穿过旋转导套 36导向， 旋转导套 36与左 支撑臂 38上的转轴 41相连接。
在与转轴 41连接的侧面板旁设置有防护板 42， 所述伸出熔炼炉本体 31外 侧的导电连接体 35设置于防护板 42内。从防护板 42顶部向下延伸出固定支架 43， 所述固定支架 43与伸出熔炼炉本体 31外侧的导电连接体 35部分相固定。
本发明带有导线保护功能的熔炼炉， 在水冷电缆外侧套设有导电连接体 35、 旋转导套 36和防护板 42克服了水冷电缆在炉体转动时的不规律运动和被钢水 溅到造成的磨损和烫伤损害， 提高了整个设备的安全可靠性， 也延长了水冷电 缆使用寿命。 同时导电连接体 35穿过电缆出线孔 44与水冷电缆连接， 水冷电 缆穿过旋转导套 36导向作用，所述旋转导套 36与转轴 41相连接，这样转动时， 水冷电缆也跟随熔炼炉本体 31做相同的运动， 可以大致保证熔炼炉本体 31与 水冷电缆相对静止， 这样进一步降低了摩擦， 提高了防护效果。 同时伸出熔炼 炉 31本体外侧的导电连接体 35设置于防护板内， 这样炉嘴 34倾倒时， 即使有 高温汤液不小心溢出也不会对导电连接体 35以及水冷电缆造成损坏，具有良好 的保护效果。 另外在防护板 42内设置有固定支架 43， 固定支架 43能够固定住 伸出熔炼炉本体 31外侧的导电连接体 35， 使导电连接体 35不会垂落， 影响炉 体转动， 设计更加合理。
图 12、 13给出了一种可快速更换倾动方式的熔炼炉炉体， 包括熔炼炉本体 51、 炉嘴 53、 两个油缸倾动板 54， 在熔炼炉本体 51顶部一侧面板 52上设置有 用于倾倒浇铸液体的炉嘴 53， 所述与炉嘴 53安装面板 52相邻两侧面板 54上 分别安装有油缸倾动板 55， 在油缸倾动板 55的两端部分别设置有转轴 59。 在 炉嘴 53安装面板 52相邻两侧面板 54的中心点位置设置有减速机安装孔 58。 两个油缸倾动板 55长度相同， 油缸倾动板 55连接时， 在与炉嘴 53安装面 板 52相邻的两侧面板 54上设置有若干螺孔 56， 所述油缸倾动板 55通过螺钉 57安装在侧面板 54的螺孔 56上， 且两个油缸倾动板 55的倾斜角度相同。
油缸倾动板 55的一端设置在与炉嘴 53安装面板 52相邻的侧面板 54靠近炉 嘴 53—侧的顶部位置， 另一端安装在该侧面板 54中心点位置的斜上方。
本发明可快速更换倾动方式的熔炼炉炉体， 在两侧面板 54上分别安装有能 够与油缸倾动架连接的油缸倾动板 55， 同时在两侧面板 54的中心点位置设置 有减速机安装孔 58， 这样可方便快速的在减速机倾动方式和油缸倾动方式之间 进行更换， 熔炼炉炉体通用性较好， 无需购置两套设备， 大大节省了企业的成 本。
同时本发明采用油缸方式驱动时为定点浇铸， 熔炼炉本体在翻转过程中， 需 要绕靠近炉嘴侧顶部位置绕转轴 59转动， 由于该翻转位置靠近炉嘴， 可以保证 炉嘴在转动过程中不会出现晃动， 提高浇铸的稳定性和安全系数， 也大大提高 了浇铸的精度， 保障了产品的品质。 而采用减速机来控制熔炼炉转动， 为不定 点浇铸， 其操作方式简单方便， 整个驱动机构制造成本较低， 拆卸维修方便快 速。
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的 具体实施方式， 上述的具体实施方式仅仅是示意性的， 而不是限制性的， 本领 域的普通技术人员在本发明的启示下， 在不脱离本发明宗旨和权利要求所保护 的范围情况下， 还可做出很多形式， 这些均属于本发明的保护之内。

Claims

WO 2014/173254 权 |j 要 求 书 PCT/CN2014/075707
1、一种具有模块化组合式电源装置的熔炼炉， 包括熔炼炉和模块化组合式 电源装置， 其特征在于：
所述熔炼炉包括熔炼炉本体， 倾动架和驱动机构， 还包括水冷电缆、 防护 板、 导电连接体和旋转导套， 在熔炼炉本体顶部一侧面板上设置有用于倾倒浇 铸液体的炉嘴， 所述倾动架通过转轴与炉嘴安装面板相邻的两侧面板连接， 所 述转轴与驱动机构连接， 在与炉嘴安装面板相邻的一侧面板上开设有电缆出线 孔， 所述与炉体线圈相连接的导电连接体穿过电缆出线孔， 所述和导电连接体 连接的水冷电缆穿过旋转导套导向， 所述旋转导套与转轴相连接， 在熔炼炉本 体的侧面装有防护板；
所述模块化组合式电源装置包括固定底座和设置在固定底座上可互换排列 位置和可增减数量的整流箱、 逆变箱和电容箱； 所述整流箱、 逆变箱和电容箱 为可拆卸的板式箱体结构； 所述整流箱中分区设置有控制模块、 整流模块和切 替开关； 所述逆变箱中分区设置有逆变模块和阻容模块； 所述电容箱中设置有 一个或多个相互连接的电容器； 所述整流箱、 逆变箱和电容箱内部通过母线铜 排相互连接； 所述整流箱、 逆变箱和电容箱为一个或一个以上。
2、根据权利要求 1所述的具有模块化组合式电源装置的熔炼炉， 其特征在 于， 在熔炼炉本体顶部一侧面板上设置有用于倾倒浇铸液体的炉嘴， 所述与炉 嘴安装面板相邻两侧面板上分别设置有若干能够安装油缸倾动架连的螺孔， 在 炉嘴安装面板相邻两侧面板的中心点位置设置有减速机安装孔。
3、根据权利要求 1所述的具有模块化组合式电源装置的熔炼炉， 其特征在 于， 所述熔炼炉本体设置于底座上方， 且与炉嘴安装面板相邻的两侧面板位于 倾动架两个支撑臂之间， 所述其中一个支撑臂上设置有减速机， 所述减速机的 输出轴与熔炼炉本体对应侧面板活动连接， 所述倾动架另一个支撑臂通过转轴 与熔炼炉本体对应侧面板活动连接， 所述旋转导套与该支撑臂上的转轴连接。
4、根据权利要求 3所述的具有模块化组合式电源装置的熔炼炉， 其特征在 于， 还包括防护板， 在与转轴连接的侧面板旁设置有防护板， 所述伸出熔炼炉 本体外侧的导电连接体设置于防护板内。
5、根据权利要求 1所述的具有模块化组合式电源装置的熔炼炉， 其特征在 于， 所述整流箱、 逆变箱和电容箱的箱体内分别设置有用于固定对应模块的固 定装置， 在电容箱旁设置有热交换器模块。
6、根据权利要求 1所述的具有模块化组合式电源装置的熔炼炉， 其特征在 于， 所述切替开关还包括两个分别连接各自感应炉体的第一导电板， 一个与变 频电源相连接的第二导电板， 在第二导电板上设置有能够绕第二导电板旋转且 能分别与两个第一导电板连通的旋转导电板，所述旋转导电板内设置有水冷管， 所述第一导电板内设置有水冷管。
7、根据权利要求 1所述的具有模块化组合式电源装置的熔炼炉， 其特征在 于， 所述阻容模组包括模组板体， 所述模组板体上分区设置有电容单元、 电阻 单元、 水冷电阻单元和二极管单元， 所述电容单元、 电阻单元、 水冷电阻单元 和二极管单元依次相电连接。
8、根据权利要求 7所述的具有模块化组合式电源装置的熔炼炉， 其特征在 于， 所述模组板体上还设置有用于防止二极管单元温度过高的二极管散热器， 所述二极管单元通过二极管散热器连接固定设置在模组板体上。
9、根据权利要求 7所述的具有模块化组合式电源装置的熔炼炉， 其特征在 于， 所述模组板体上还设置有备用电容单元。
10、 根据权利要求 7所述的具有模块化组合式电源装置的熔炼炉， 其特征 在于， 所述模组板体为绝缘材质制成。
PCT/CN2014/075707 2013-04-22 2014-04-18 具有模块化组合式电源装置的熔炼炉 WO2014173254A1 (zh)

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