WO2019062464A1

WO2019062464A1 - Smart electromagnetic flue-cured tobacco apparatus

Info

Publication number: WO2019062464A1
Application number: PCT/CN2018/103286
Authority: WO
Inventors: 傅保华; 张珽; 吴平聪
Original assignee: 喆能环保技术（深圳）有限公司
Priority date: 2017-09-30
Filing date: 2018-08-30
Publication date: 2019-04-04
Also published as: CN107581650A

Abstract

A smart electromagnetic flue-cured tobacco apparatus comprises a flue-cured tobacco room (11), a control device (12), and a thermal energy generating device (13) disposed inside the flue-cured tobacco room (11) and connected to the control device (12). The thermal energy generating device (13) comprises a heating element (131), an induction coil (132) disposed on the heating element (131) and electrically connected to the control device (12), and a number of heat sink assemblies (133) disposed on the heating element (131). When the induction coil (132) operates, a high-frequency alternating magnetic field is generated, so as to produce an induction current in the heating element (131) and generate heat. The smart electromagnetic flue-cured tobacco apparatus reduces the number of heat transfers, reduces energy consumption, and improves the efficiency of heat transfers. The invention produces no exhaust or solid emissions during the heating process, and the lack of an open flame reduces environmental pollution and improves safety. The control device (12) achieves fully automatic and precise temperature control and ensures more optimized smart technology.

Description

Intelligent electromagnetic flue-cured tobacco equipment

Technical field

The present invention relates to flue-cured tobacco equipment, and more particularly to an intelligent electromagnetic flue-cured tobacco apparatus.

Background technique

At present, the heating method of tobacco leaf baking is basically the traditional heat transfer and heat radiation heating, for example, a furnace for burning wood, coal, oil, molding fuel, and the like. The existing heating methods have the disadvantages of large heat loss, low thermal efficiency, slow heating speed, difficulty in heating temperature rise, large environmental pollution, many safety hazards, insufficient heat control in the heating process, single control method, and low intelligence.

technical problem

Technical solution

The technical problem to be solved by the present invention is to provide a flue-cured tobacco device capable of solving the disadvantages of large heat loss, low thermal efficiency, large environmental pollution, and many hidden dangers in the heating process.

The technical solution adopted by the present invention to solve the technical problem is to construct an intelligent electromagnetic flue-cured tobacco device, which comprises a roasting tobacco chamber, a control device, and a thermal energy generating device disposed in the roasting tobacco chamber and connected to the control device; The heat generating device includes a heating element, an induction coil disposed on the heating element and electrically connected to the control device, and a plurality of fin assemblies disposed on the heating element; the induction coil generates a high frequency when operating The alternating magnetic field generates an induced current on the heating element to generate heat.

Preferably, the heating element is a hollow cylindrical shape or a conical shape that penetrates.

Preferably, the heat sink assembly includes a plurality of fins extending in a direction of a center of the heat generating body wall;

The induction coil is wound around the outer wall of the heat generating body.

Preferably, the plurality of fin assemblies include two fin assemblies; the two fin assemblies include a first fin assembly and a second fin assembly; the first fin assembly and the second fin assembly are mutually The arrangement is staggered and the number and size of the fins of the first fin assembly and the second fin assembly are substantially equal.

Preferably, a heat insulating layer is disposed between the induction coil and the heat generating body.

Preferably, the heating element is provided with a plurality of support fixing members disposed along the circumferential direction of the heating element.

Preferably, the grilling chamber comprises a flue-cured chamber, a heating chamber disposed adjacent to the flue-curing chamber, a partition wall disposed between the flue-cured chamber and the heating chamber, communicating the flue-cured chamber and the heating chamber for The cold air in the flue-cured chamber is discharged to an air outlet of the heating chamber and a duct provided at a top of the flue-curing chamber for supplying hot air into the flue-cured chamber; the heat energy generating device is disposed in the heating chamber.

Preferably, the heating chamber is provided with an exhaust fan for extracting the cold air of the flue-cured chamber; the exhaust fan is disposed above the thermal energy generating device.

Preferably, at least one grill in which the tobacco leaves are placed is provided in the flue-cured tobacco chamber.

Preferably, the flue-cured chamber is provided with a temperature sensor connected to the control device and feeding temperature information to the control device; the control device includes an intelligent variable frequency drive controller; the intelligent variable frequency drive controller includes a rectification unit , inverter unit, digital signal generator, and resonance unit

Beneficial effect

The intelligent electromagnetic flue-cured tobacco device embodying the invention has the following beneficial effects: the intelligent electromagnetic flue-cured tobacco device forms a thermal energy generating device by providing an induction coil electrically connected to the control device and a plurality of fin assemblies on the heating element, and the induction coil can be generated when working The high-frequency alternating magnetic field is heated by generating an induced current on the heating element; and the heat generating device is placed in the roasting tobacco chamber to heat the tobacco in the flue-cured tobacco chamber. The intelligent electromagnetic flue-cured tobacco device changes the traditional heat radiation heating mode, adopts active heating of the load, reduces the number of heat transfer, reduces the energy consumption, improves the heat transfer efficiency, and has no exhaust gas waste discharge and no open flame. The pollution to the environment is reduced, and the safety of the intelligent electromagnetic flue-cured tobacco device is improved.

In addition, the automatic and precise temperature control can be realized by the control device, the intelligence of the device is improved; the heat sink assembly is improved, the heat transfer efficiency is improved, and the roasting room is heated by the exhaust fan to improve the smoking room. The uniformity and fluidity of the internal air temperature improve the quality of the tobacco leaves and the efficiency of the flue-cured tobacco.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of a smart electromagnetic flue-cured tobacco apparatus of the present invention;

2 is a schematic structural view of a thermal energy generating device of the intelligent electromagnetic flue-cured tobacco device of the present invention;

3 is a top plan view of the thermal energy generating device of the intelligent electromagnetic flue-cured tobacco device of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

For a better understanding of the technical features, objects and effects of the present invention, the embodiments of the present invention are described in detail with reference to the accompanying drawings.

1 to 3 show a preferred embodiment of the smart electromagnetic flue-cured tobacco apparatus of the present invention.

The intelligent electromagnetic flue-cured tobacco device changes the traditional heat radiation mode through the active heat generation of the load, reduces the critical heat transfer process, reduces the heat loss during the heat transfer process and the loss of the heat source to the surrounding area, and improves the heat transfer efficiency. The heating process does not have any waste gas discharge and no open flame, thereby reducing environmental pollution and improving the safety of the intelligent electromagnetic flue-cured tobacco equipment. The automatic and precise temperature control can be realized by the control device, which improves the intelligence of the device.

As shown in FIG. 1 , the intelligent electromagnetic flue-cured tobacco device can be used for roasting tobacco leaves, and includes a roasting tobacco chamber 11 , a control device 12 , and a thermal energy generating device 13 disposed in the roasting tobacco chamber 11 and connected to the control device 12 ; The room 11 can form a tobacco leaf containment and baking space, and the control device 12 can realize intelligent control of the intelligent electromagnetic flue-cured tobacco device. The heat energy generating device 13 can be connected to the control device 12 to provide the roasting tobacco room 11 with roast tobacco leaves. The heat energy needed.

The roasting chamber 11 includes a flue-cured chamber 112, a heating chamber 111 disposed adjacent to the flue-cured chamber 112, a partition wall 114 disposed between the flue-cured chamber 112 and the heating chamber 111, and the flue-cured chamber 112 and the heating chamber 111 The cold air in the flue-cured chamber 112 is discharged to the air outlet 113 of the heating chamber 111 and the air duct 115 disposed at the top of the flue-curing chamber 112 for air to enter the flue-cured chamber 112.

The heating chamber 111 can provide a heat source for the flue-cured chamber, and the thermal energy generating device 13 is disposed in the heating chamber 111. The heating chamber 111 is provided with an exhaust fan 1111 for extracting cold air from the flue-cured chamber, and the exhaust fan 1111 is disposed. Above the thermal energy generating device 13, and the air outlet is opposed to the air outlet 113, and the air outlet of the air blower faces the air passage so that the wind is heated from below through the heat energy generating device to form a wind having a certain temperature. The air duct is discharged into the roasting tobacco room to make the tobacco leaf uniform, stable, and continuously baked according to a preset stable curve. The exhaust fan 1111 can be used for circulating heating of the flue-cured chamber, improving the uniformity and fluidity of the air temperature in the flue-cured tobacco room, and improving the quality of the tobacco leaf and the efficiency of the flue-cured tobacco cooked by the intelligent electromagnetic flue-cured tobacco device.

The flue-curing chamber 112 can use the heat source provided by the heating chamber 111 to bake the tobacco leaves placed in the flue-cured chamber 112. The roasting chamber 112 is provided with at least one grill 1121 for placing tobacco leaves. The grill 1121 can be horizontally The plurality of grills 112 are disposed or longitudinally disposed, and the number of the grills 112 may be one, two, three or more, depending on the size of the flue-cured chamber. In the present embodiment, preferably, the grill 1121 is longitudinally disposed in the flue-cured chamber 112, and the number of the grills 1121 may be three and disposed separately in the flue-cured chamber 112. The flue-cured chamber 112 may also be provided with a temperature sensor 1122 connected to the control device 12, and the temperature sensor 1122 can feed back temperature information in the flue-cured chamber to the control device 12. In this embodiment, preferably, the temperature sensor 1122 can be a temperature ball.

The air outlet 113 is disposed below the heat energy generating device 13. Specifically, in the present embodiment, the air outlet 113 is disposed at the bottom of the heating chamber 111 and communicates with the grilling chamber 112. When the exhaust fan 1111 is in operation, the cold air in the flue-cured chamber 112 is drawn to the heating chamber 111 through the air outlet 113.

The partition wall 114 separates the heating chamber 111 from the flue-cured chamber 112, and the air outlet 113 is disposed at the bottom of the partition wall 114. A gap is formed between the partition wall 114 and the top of the roasting chamber 11 This interval forms the air inlet of the air duct 115.

The air duct 115 communicates with the heating chamber 111 and the flue-cured chamber 112. After being heated by the heat energy generating device 13, hot air is formed, and the hot air is expanded and collected at the top of the heating chamber 111, and is discharged through the air passage 115. The top of the fume chamber 112 is baked to provide a heat source for the flue-cured chamber 112.

The control device 12 includes an intelligent variable frequency drive controller; in this embodiment, the intelligent variable frequency drive controller can be connected to a PLC system, and the intelligent variable frequency drive controller can include a rectification unit, an inverter unit, a digital signal generator, and Resonant unit. After setting the temperature in the flue-cured tobacco chamber, the PLC system will automatically output the control variable to the intelligent variable frequency drive controller according to the temperature signal change transmitted by the temperature sensor, and the intelligent variable frequency drive controller calculates the instantaneous required heating power and The thermal energy generating device is driven in real time to realize the conversion of electric heat. At a preset temperature, the control device 12 reaches the desired temperature in the shortest time according to the actual temperature and time function and the like, and maintains the set temperature, and the temperature control range is accurate to 0.1 °C. The intelligent power controller can convert the industrial alternating current into a direct current after being rectified by the rectifying unit, and then invert the direct current through the inverter unit to convert the current into an adjustable working frequency with a frequency of 10-30 KHZ, and supply the heat generating device 13 . The digital signal transmitter is capable of digitizing the signal; the resonant unit is capable of generating a resonant oscillation when the thermal energy generating device 13 operates.

As shown in FIG. 2 and FIG. 3, the thermal energy generating device 13 includes a heating element 131, an induction coil 132 disposed on the heating element 131 and electrically connected to the control device 12, and a plurality of heat dissipation disposed on the heating element 131. Slice component 133. The induction coil 132 can generate a high-frequency alternating magnetic field during operation, and the heating element 131 is cut by the high-frequency magnetic field to generate an induced current on the heating element 131 to cause the heating element 131 to generate a partially fine turbine. The internal resistance is self-heating to achieve electromagnetic heat conversion. The plurality of fin assemblies 133 are capable of dissipating heat of the heating element 131.

The heating element 131 may be made of a magnetically conductive metal material, and may have a hollow cylindrical shape or a conical shape. In the present embodiment, preferably, the heat generating body 131 has a hollow cylindrical shape. The outer wall surface of the heating element 131 may be provided with a groove for winding the coil to fix the induction coil 132 so that the position of the induction coil 132 is not slid or displaced on the heating element 131 due to an external force or a change in temperature. In other embodiments, the groove can be omitted.

The induction coil 132 can be made of a high-temperature resistant stranded wire or a high-temperature bare copper wire. The induction coil 132 is wound around the outer wall of the heating element 131. The induction coil is evenly wound along the length of the heating element 131 to It is ensured that the heating element 131 can uniformly heat up. A heat insulating layer is disposed between the induction coil 132 and the heating element 131 to prevent the heat transferred from the heating element 131 from damaging the induction coil 132, thereby improving the service life of the induction coil, and the insulation layer can be used for the induction coil. 132 provides insulation protection. Preferably, the insulating layer may be an insulating cotton.

The number of the plurality of fin assemblies 133 may be one, two, three or more. In the embodiment, the plurality of fin assemblies 133 include two fin assemblies; the two fin assemblies include a first heat sink And a second heat sink assembly Several heat sinks. The number and size of the heat sinks of the first heat sink assembly and the second heat sink assembly are substantially the same. The first heat sink assembly and the second heat sink assembly are offset from each other by a certain angle, which not only ensures the heat sink density, but also improves the heat dissipation efficiency, and reduces the processing cost of the heat energy generating device 13 .

The heating element 131 is provided with a plurality of supporting fixing members 134 disposed along the circumference of the heating element. The material of the supporting fixing member 134 can be made of a metal plate. The number of the supporting fixing members 134 can be one, two, three. One or more. Preferably, in the embodiment, the number of the support fixing members 134 is three, and the entire thermal energy generating device can be squarely fixed in the heating chamber 11 by the supporting fixing members 134 to save an effective space inside the baking tobacco chamber.

The intelligent electromagnetic flue-cured tobacco device has the following advantages: the active heat generation by the thermal energy generating device 13 changes the traditional heat radiation mode, reduces a critical heat transfer process, and eliminates the heat loss during the transfer process and the loss of the heat source to the surrounding; The heat generating device 13 adopts a tubular heating element 131 and a plurality of fin assemblies 133 which are arranged offset from each other in the heating element to improve the heat transfer efficiency, and the circulating heating of the roasting chamber by the exhaust fan improves the test. The uniformity and fluidity of the air temperature in the smoking room, improve the quality of the tobacco leaf and the efficiency of the flue-cured tobacco; by using the thermal energy generating device and the intelligent variable frequency drive controller, and the external PLC system, a heating temperature curve is set in the PLC system, according to The current real-time temperature comparison gives a linear signal to the intelligent variable frequency drive controller, and then controls the intelligent frequency conversion controller to adjust the output power to ensure the timeliness of heating and precise temperature control; the high efficiency inverter drive through the intelligent variable frequency controller , greatly improving the conversion rate of electrical energy, so that the conversion rate of electrical energy Up to 95% or more, in addition, it can realize full intelligent control of the whole process of heating tobacco leaves, without artificially adding fuel and guardian in real time, reducing labor cost; the intelligent electromagnetic flue-cured tobacco equipment, when roasting tobacco leaves, the process is clean and environmentally friendly, no Exhaust gas, dust emission, and the sanitary standard of tobacco leaves are greatly improved; the intelligent electromagnetic flue-cured tobacco equipment is convenient to use, has a long service life, does not have fuel transportation and storage, and reduces the maintenance and maintenance of the heating equipment.

It is to be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and are not to be construed as limiting the scope of the invention; The above technical features may be freely combined, and various modifications and improvements may be made without departing from the spirit and scope of the invention; therefore, the scope of the claims of the present invention is Equivalent transformations and modifications are intended to be included within the scope of the appended claims.

Claims

An intelligent electromagnetic flue-cured tobacco device characterized by comprising a roasting chamber (11), a control device (12), and a thermal energy generating device (13) disposed in the roasting chamber (11) and connected to the control device (12) The thermal energy generating device (13) includes a heating element (131), an induction coil (132) disposed on the heating element (131) and electrically connected to the control device (12), and disposed in the a plurality of fin assemblies (133) on the heating element (131); the induction coil (132) generates a high-frequency alternating magnetic field during operation to generate an induced current on the heating element (131) to generate heat.
The intelligent electromagnetic flue-cured tobacco device according to claim 1, wherein the heat generating body (131) has a hollow cylindrical shape or a conical shape.
The intelligent electromagnetic flue-cured tobacco device according to claim 2, wherein the fin assembly (133) comprises a plurality of fins extending in a center direction of the inner wall of the heating element (131);

The induction coil (132) is wound around the outer wall of the heating element (131).
The intelligent electromagnetic flue-cured tobacco device according to claim 3, wherein the plurality of fin assemblies (133) comprise two fin assemblies; the two fin assemblies comprise a first fin assembly and a second fin The first heat sink assembly and the second heat sink assembly are offset from each other and the number and size of the heat sinks of the first heat sink assembly and the second heat sink assembly are substantially equal.
The intelligent electromagnetic flue-cured tobacco device according to claim 3, wherein a heat insulating layer is disposed between the induction coil (132) and the heat generating body (131).
The intelligent electromagnetic flue-cured tobacco device according to claim 1, wherein the heating element (131) is provided with a plurality of support fixing members (134) disposed along the circumferential direction of the heating element.
The intelligent electromagnetic flue-cured tobacco device according to claim 1, wherein the roasting tobacco chamber (11) comprises a flue-cured chamber (112), a heating chamber (111) disposed adjacent to the flue-cured chamber (112), and disposed at a partition wall (114) between the flue-cured chamber (112) and the heating chamber (111), communicating the flue-cured chamber (112) and the heating chamber (111) for use in the flue-cured chamber (112) Cooling air is discharged to an air outlet (113) of the heating chamber (111) and a duct (115) disposed at the top of the flue-curing chamber (112) for supplying hot air into the flue-cured chamber (112); the heat energy occurs A device (13) is disposed in the heating chamber (111).
The intelligent electromagnetic flue-cured tobacco device according to claim 7, wherein the heating chamber (111) is provided with an exhaust fan (1111) for extracting cold air from the flue-cured chamber (112); 1111) is disposed above the thermal energy generating device (13).
The intelligent electromagnetic flue-cured tobacco device according to claim 7, characterized in that the grilling chamber (112) is provided with at least one grill (1121) for placing tobacco leaves.
The intelligent electromagnetic flue-cured tobacco device according to claim 7, characterized in that the flue-cured chamber (112) is provided with a temperature sensor connected to the control device (12) and feeding temperature information to the control device (12). (1122); the control device (12) includes an intelligent variable frequency drive controller; the intelligent variable frequency drive controller includes a rectification unit, an inverter unit, a digital signal generator, and a resonance unit.