CN113907412B - Wind power system for tobacco shred conveying and control method - Google Patents

Wind power system for tobacco shred conveying and control method Download PDF

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Publication number
CN113907412B
CN113907412B CN202111332430.XA CN202111332430A CN113907412B CN 113907412 B CN113907412 B CN 113907412B CN 202111332430 A CN202111332430 A CN 202111332430A CN 113907412 B CN113907412 B CN 113907412B
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China
Prior art keywords
fan
air valve
standby
power equipment
main air
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CN202111332430.XA
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Chinese (zh)
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CN113907412A (en
Inventor
徐宇豪
王乾东
酆强盛
朱明山
周国光
方彪
戚彬滨
刘剑敏
余数
肖贵慧
王小欢
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China Tobacco Zhejiang Industrial Co Ltd
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China Tobacco Zhejiang Industrial Co Ltd
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Priority to CN202111332430.XA priority Critical patent/CN113907412B/en
Publication of CN113907412A publication Critical patent/CN113907412A/en
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39Tobacco feeding devices
    • A24C5/392Tobacco feeding devices feeding pneumatically
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39Tobacco feeding devices
    • A24C5/397Tobacco feeding devices with means for regulating the tobacco quantity
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39Tobacco feeding devices
    • A24C5/399Component parts or details, e.g. feed roller, feed belt
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Elimination Of Static Electricity (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Abstract

The invention discloses a wind power system and a control method for tobacco shred conveying, wherein the wind power system for tobacco shred conveying comprises a fan, the fan comprises an air inlet pipe, the air inlet pipe is fixed on a dust removal box, the dust removal box is communicated with an air outlet through a main air pipe, power equipment is fixed on the main air pipe, and the wind power system for tobacco shred conveying also comprises a standby fan and a control system; the standby fan comprises a standby air pipe, a standby air outlet and standby power equipment fixed on the standby air pipe; a side air pipe is arranged on the main air pipe and is communicated with the main air pipe and the standby air pipe; a side air valve for controlling the opening and closing of the side air pipe is arranged in the side air pipe; a main air valve for controlling the opening and closing of the main air pipe is arranged in the main air pipe; the control system is used for monitoring the working state of the power equipment and controlling the opening and closing of the main air valve and the side air valve in real time through the working state of the power equipment.

Description

Wind power system for tobacco shred conveying and control method
Technical Field
The invention relates to the field of tobacco shred conveying, in particular to a wind power system for tobacco shred conveying and a control method.
Background
The main mode of tobacco shred conveying is to adopt wind power to send tobacco shreds, for most tobacco enterprises, when cigarettes are produced, a wind power tobacco shred feeding system is the only bridge for connecting finished tobacco shred equipment and cigarette making equipment, and the wind power tobacco shred feeding system has the problems of unstable conveying process, long downtime after sudden accidents and the like in the process of conveying, thereby causing great negative effects on the production efficiency.
The existing fan equipment for tobacco shred conveying is disclosed as a tobacco shred wind power mixing method and equipment in Chinese patent with publication number CN101077221B, wherein the method comprises tobacco shred wind power mixing equipment, a vertical direction air inlet is arranged at the bottom of a box body, which is close to one end forming horizontal direction lateral air inlet, at least two material guide plates are arranged above the vertical direction air inlet, a feed inlet is arranged above each material guide plate, and tobacco shred conveying equipment corresponding to each material guide plate is arranged at the feed inlet; a lateral air inlet channel opening is arranged above and below the material guide plate on the side surface of the box body, a conveying belt for receiving scattered mixed cut tobacco is arranged at the bottom of the box body, the other end of the box body forming lateral air inlet in the horizontal direction is provided with a discharge air lock below the conveying belt; an external fan is connected with an air outlet at the upper part of the box body through an air outlet pipe and a rotating net.
The tobacco shred wind power mixing equipment disclosed by the patent is only provided with one air inlet and one air outlet, and when the air inlet or the air outlet fails, the whole wind power mixing equipment is stopped, and tobacco shred conveying is interrupted.
In the prior art, there is also a one-out-of-four fast gating device for a wind-powered wire feeding system, as disclosed in chinese patent with publication number CN103564651B, which includes an upper support plate and a lower support plate connected to each other, wherein a support is provided on an upper end surface of the upper support plate, a rotation driving mechanism is provided on the support, and the rotation driving mechanism is connected to an external main control unit circuit; four upper cut tobacco through holes are uniformly distributed on the upper support plate along the circumferential direction, an upper rotating plate is arranged on the lower end surface of the upper support plate, the upper rotating plate is connected with a power output shaft of the rotary driving mechanism, and a cut tobacco output hole corresponding to the upper cut tobacco through holes is formed in the upper rotating plate; the lower support plate is provided with a lower cut tobacco through hole, the upper end surface of the lower support plate is provided with a lower rotating plate, the lower rotating plate is provided with a cut tobacco input hole corresponding to the lower cut tobacco through hole, and the axis of the power output shaft of the rotary driving mechanism, the axis of the lower cut tobacco through hole and the axis of the cut tobacco input hole are positioned on the same straight line; a rotary elbow is connected between the cut tobacco output hole and the cut tobacco input hole, and the upper rotating plate and the lower rotating plate are connected through a connecting rod.
The wind power wire feeding system disclosed in the above patent uses four-out-of-one quick gating device to set four cut tobacco passing holes and four cut tobacco output holes corresponding to the cut tobacco passing holes one by one, but when the device is used, if the amount of cut tobacco to be conveyed exceeds the normal amount, the device cannot provide larger wind power to deal with the situation.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a wind power system for tobacco shred conveying and a control method.
A wind power system for conveying tobacco shreds comprises a fan, wherein the fan comprises an air inlet pipe, the air inlet pipe is fixed on a dust removal box, the dust removal box is communicated with an air outlet through a main air pipe, and power equipment is fixed on the main air pipe;
the wind power system for conveying the cut tobacco also comprises a standby fan and a control system; the standby fan comprises a standby air pipe, a standby air outlet and standby power equipment fixed on the standby air pipe;
a side air pipe is arranged on the main air pipe and is communicated with the main air pipe and the standby air pipe;
a side air valve for controlling the opening and closing of the side air pipe is arranged in the side air pipe; a main air valve for controlling the opening and closing of the main air pipe is arranged in the main air pipe;
the control system is used for monitoring the working state of the power equipment and controlling the opening and closing of the main air valve and the side air valve in real time through the working state of the power equipment.
Specifically, the prior art wind power system for tobacco shred transportation is usually provided with one or more wind pipes, but when the power equipment in the wind power system fails and stops working or works at full load, no good solution is provided; however, when the power equipment is in failure and stops, the efficiency of wind power wire feeding is seriously influenced, and when the power equipment works at full load, the power equipment is greatly influenced, so that the service life of the power equipment is shortened. In the scheme, a standby fan is arranged in a wind power system, a standby air pipe of the standby fan is communicated with a main air pipe of the fan through a side air pipe, when the power equipment is in failure and stops, a control system controls a main air valve to be closed, the side air valve to be opened, and the standby fan timely replaces the failed fan to work; when the working frequency of the power equipment exceeds the rated frequency, namely, the power equipment works in an overload mode, the control system controls the side air valve to be opened, the standby fan and the fan work together, and at the moment, the working frequency of the power equipment returns to a normal range.
Preferably, the power equipment of the fan is provided with an inductor which is used for inducing the working state of the power equipment and sending the induced working state to the control system.
Specifically, in order to ensure that the control system can monitor the working state of the power equipment in real time, it is appropriate to provide a sensor on the power system, which can sense the working state of the power system in real time and send a signal to the control system in real time.
Preferably, the operating state of the power equipment includes whether an operating fault exists and a real-time operating frequency.
Specifically, the standby fan pack needs to be started under two conditions of fault shutdown and overload work of the power equipment, so that the sensor needs to monitor whether the power equipment has work faults or not and real-time work frequency data.
Preferably, the control system is a PLC system, and includes a signal receiving module for receiving a signal of the sensor, a main air valve control module for controlling the opening and closing of the main air valve, and a side air valve control module for controlling the opening and closing of the side air valve; the PLC system also comprises a time delay module used for controlling the time interval between the closing of the main air valve and the opening of the side air valve.
Specifically, the PLC controls the opening and closing of a main air valve and the opening and closing of a side air valve through signals received in real time; in addition, when the power equipment of the fan is in fault shutdown and the main air valve needs to be closed and the side air valve needs to be opened, a certain time interval is needed between the closing of the main air valve and the opening of the side air valve.
Preferably, the number of the fans is four, the fans work independently, the fans are provided with side air pipes communicated with the standby air pipes, and the side air pipes of the fans are communicated with the same standby air pipe.
Specifically, in order to increase the tobacco shred conveying speed, it is appropriate to arrange four fans in one wind power system.
Preferably, the power equipment is arranged on the supporting seat, and a plurality of supporting legs are arranged at the bottom of the supporting seat.
A control method of an air power system for tobacco shred conveying adopts the air power system for tobacco shred conveying of any one of the above items, and the tobacco shred conveying method comprises the following steps:
connecting the wind power system with the rolling connection equipment, opening a main air valve after the connection is finished, and starting a fan;
when the control system monitors that the fan has a fault and the working frequency is zero, the control system sends a main air valve closing signal, the main air valve is closed, and simultaneously the control system sends signals of opening a side air valve and starting standby power equipment, and the side air valve is opened and the standby power equipment is started;
when the control system monitors that the fan has no fault and the working frequency of the fan exceeds the rated frequency, the control system sends signals of opening the side air valve and starting the standby power equipment, and the side air valve is opened and the standby power equipment is started.
Compared with the prior art, the invention has the advantages that:
through setting up the spare fan that communicates with the fan, set up the sensor of real time monitoring power equipment's fault situation and operating frequency on power equipment simultaneously, utilize the control program to carry out the structure that controls main air valve, side air valve and the switching condition of spare power equipment, reached under the condition of fan trouble, spare fan can in time take over to carry out the pipe tobacco and carry, under the condition of power equipment full load, spare fan can assist the fan and carry out wind-force together and send the mesh.
Drawings
FIG. 1 is a schematic structural diagram of an air system for tobacco shred conveying provided by the invention;
FIG. 2 is a schematic view of a control system of the wind power system for tobacco shred conveying provided by the invention;
FIG. 3 is a flow chart of a control method of the wind power system for tobacco shred conveying provided by the invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1, the wind power system for tobacco shred conveying comprises a fan, wherein the fan comprises an air inlet pipe 10, the air inlet pipe 10 is fixed on a dust removal box 20, the dust removal box 20 is communicated with an air outlet 40 through a main air pipe 30, and a power device 50 is fixed on the main air pipe 30; the wind power system for conveying the cut tobacco also comprises a standby fan and a control system; the standby fan comprises a standby air pipe 70, a standby air outlet 71 and a standby power device 60 fixed on the standby air pipe 70; a side air pipe 80 communicated with the standby air pipe 70 is arranged on the main air pipe 30, and the main air pipe 30 is communicated with the side air pipe 80; the side air pipe 80 is provided with a side air valve 81 for controlling the opening and closing of the side air pipe 80; the main air pipe 30 is provided with a main air valve 31 for controlling the opening and closing of the main air pipe 30; the control system is used for monitoring the working state of the power equipment 60 and controlling the opening and closing of the main air valve 31 and the side air valve 81 in real time through the working state of the power equipment 60.
The power equipment of the fan is provided with an inductor 91 for inducing the working state of the power equipment 50 and sending the induced working state to the control system; the operating state of the power plant 50 includes the presence or absence of an operational fault and the operating frequency in real time.
The number of the fans is four, the four fans work independently, and the four fans are provided with side air pipes 80 which are communicated with the same spare air pipe 70;
in order to increase the tobacco shred conveying speed, four fans are suitably arranged in one wind power system.
The power equipment 50 is arranged on a support seat 92, and a plurality of support legs are arranged at the bottom of the support seat 92.
When the main air valve 31 is opened and the side air valve 81 is closed, air enters the dust removal box 20 from the air inlet pipe 10 to be removed dust and then is sent out from the air outlet 40 through the main air pipe 30 under the action of the power equipment 50; when the main air valve 31 in the main air duct 30 is closed and the side air valve 81 is opened, under the action of the standby power equipment 60, air passes through the dust removing box 20, then passes through the side air duct 80 and the standby air duct 70, and then is sent out from the standby air outlet 71; when both the main damper 31 and the side damper 81 are open, both paths are open.
As shown in fig. 2 and 3, after the connection between the wind power system and the cigarette making and tipping machine is completed, starting the fan, and if the cigarette making and tipping machine does not send an operation signal, indicating that the connection between the wind power system and the cigarette making and tipping machine has a fault, and returning to check the connection; if the cigarette making and plug assembling machine sends an operation signal, the corresponding power equipment 50 is started, and the inductor 91 monitors the working frequency of the power equipment 50 in real time and whether the indexes such as halt exist or not;
if the power equipment 50 is stopped, the PLC control system receiving the stop signal sends signals that the standby power equipment 60 is opened, the main air valve 31 is closed, the side air valve 81 is opened, the main air valve 31 receiving the signals is closed, the side air valve 81 is opened and the standby power equipment 61 is opened; at the moment, the standby fan timely takes over the failed fan to carry out wind power wire feeding, and meanwhile, under the action of the delay module, the side air valve 81 is opened twenty seconds after the PLC control system sends a closing signal of the main air valve 31;
if the power equipment 50 is not stopped and the power equipment 50 is not operated at full load, the normal operation is kept;
if the power equipment 50 is not stopped and the power equipment 50 runs at full load, the PLC control system sends signals that the side air valve 81 is opened and the standby power equipment 60 is started, and the side air valve 81 receiving the signals is opened and the standby power equipment 60 is started; at this time, the auxiliary fan of the backup fan performs wind-powered wire feeding, and the operating frequency of the power equipment 50 returns to the normal range with the assistance of the backup fan.
A standby fan is arranged in the wind power system, a standby air pipe 70 of the standby fan is communicated with a main air pipe 30 of the fan through a side air pipe 80, when the power equipment 50 fails and stops, the control system controls the main air valve 31 to be closed, the side air valve 81 to be opened and the standby power equipment 60 to be opened, and at the moment, the standby fan replaces the failed fan to work, so that the tobacco shred conveying speed is ensured; when the working frequency of the power equipment 50 exceeds the rated frequency, namely, the power equipment is in overload work, the control system controls the side air valve 81 to be opened, the standby power equipment 60 to be opened, the standby fan and the fan work together, and at the moment, the working frequency of the power equipment 50 returns to the normal range.

Claims (7)

1. A wind power system for conveying tobacco shreds comprises a fan, wherein the fan comprises an air inlet pipe, the air inlet pipe is fixed on a dust removal box, the dust removal box is communicated with an air outlet through a main air pipe, power equipment is fixed on the main air pipe, and the wind power system is characterized in that,
the wind power system for conveying the cut tobacco also comprises a standby fan and a control system; the standby fan comprises a standby air pipe, a standby air outlet and standby power equipment fixed on the standby air pipe;
a side air pipe is arranged on the main air pipe and is communicated with the main air pipe and the standby air pipe;
a side air valve for controlling the opening and closing of the side air pipe is arranged in the side air pipe; a main air valve for controlling the opening and closing of the main air pipe is arranged in the main air pipe;
the control system is used for monitoring the working state of the power equipment and controlling the opening and closing of the main air valve and the side air valve in real time through the working state of the power equipment;
the method for conveying the cut tobacco by using the wind power system comprises the following steps:
connecting the wind power system with the rolling connection equipment, opening a main air valve after the connection is finished, and starting a fan;
when the control system monitors that the fan has a fault and the working frequency is zero, the control system sends a main air valve closing signal, the main air valve is closed, and simultaneously the control system sends signals of opening a side air valve and starting standby power equipment, and the side air valve is opened and the standby power equipment is started;
when the control system monitors that the fan has no fault and the working frequency of the fan exceeds the rated frequency, the control system sends signals of opening the side air valve and starting the standby power equipment, and the side air valve is opened and the standby power equipment is started.
2. The pneumatic system for shredded tobacco delivery according to claim 1, characterized in that: and the power equipment of the fan is provided with an inductor which is used for inducing the working state of the power equipment and sending the induced working state to the control system.
3. The pneumatic system for tobacco shred delivery according to claim 2, wherein: the working state of the power equipment comprises whether working faults exist and real-time working frequency.
4. The pneumatic system for tobacco shred delivery according to claim 3, wherein: the control system is a PLC system and comprises a signal receiving module for receiving signals of the sensor, a main air valve control module for controlling the opening and closing of the main air valve and a side air valve control module for controlling the opening and closing of the side air valve.
5. The pneumatic system for shredded tobacco delivery according to claim 4, characterized in that: the PLC system also comprises a time delay module used for controlling the time interval between the closing of the main air valve and the opening of the side air valve.
6. The pneumatic system for shredded tobacco delivery according to claim 1, characterized in that: the fan is equipped with four, four the fan mutual independence work, four the fan all is equipped with the side tuber pipe with reserve tuber pipe intercommunication, the side tuber pipe and same reserve tuber pipe intercommunication of each fan.
7. The pneumatic system for tobacco shred delivery according to claim 1, wherein: the power equipment is arranged on the supporting seat, and a plurality of supporting legs are arranged at the bottom of the supporting seat.
CN202111332430.XA 2021-11-11 2021-11-11 Wind power system for tobacco shred conveying and control method Active CN113907412B (en)

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CN113907412B true CN113907412B (en) 2022-08-30

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CN111887474A (en) * 2019-05-05 2020-11-06 贵州中烟工业有限责任公司 Automatic dust removal structure of cigarette making machine

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