CN114518153A - Error-preventing system, weighing device and tobacco production equipment - Google Patents

Error-preventing system, weighing device and tobacco production equipment Download PDF

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Publication number
CN114518153A
CN114518153A CN202210151378.6A CN202210151378A CN114518153A CN 114518153 A CN114518153 A CN 114518153A CN 202210151378 A CN202210151378 A CN 202210151378A CN 114518153 A CN114518153 A CN 114518153A
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CN
China
Prior art keywords
signals
weighing
signal
protection system
error
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202210151378.6A
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Chinese (zh)
Inventor
林国士
许新曦
于存峰
叶森
何灵
黄敏冰
张学俊
戴宇昕
黄城宝
俞键
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUJIAN JINMIN RECONSTITUTED TOBACCO DEVELOPMENT CO LTD
Original Assignee
FUJIAN JINMIN RECONSTITUTED TOBACCO DEVELOPMENT CO LTD
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.)
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Application filed by FUJIAN JINMIN RECONSTITUTED TOBACCO DEVELOPMENT CO LTD filed Critical FUJIAN JINMIN RECONSTITUTED TOBACCO DEVELOPMENT CO LTD
Priority to CN202210151378.6A priority Critical patent/CN114518153A/en
Publication of CN114518153A publication Critical patent/CN114518153A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G13/00Weighing apparatus with automatic feed or discharge for weighing-out batches of material
    • G01G13/02Means for automatically loading weigh pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism
    • G01G13/04Means for automatically loading weigh pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism involving dribble-feed means controlled by the weighing mechanism to top up the receptacle to the target weight
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention relates to an error-proof system, a weighing device and tobacco production equipment, wherein the error-proof system comprises a collecting device (10) and a monitoring device (20), the collecting device (10) is configured to collect a plurality of signals and process the signals for output, and the monitoring device (20) is configured to receive the signals output by the collecting device (10) and send out an alarm signal when at least one signal is absent or the difference value of the two signals is larger than or equal to a preset difference value. The weighing device comprises an error-proof system and a plurality of weighing sensors (40), wherein the weighing sensors (40) are in signal connection with the error-proof system. The tobacco production equipment comprises a weighing device, an adding device (50) and an executing device (60), wherein the executing device (60) is in signal connection with the monitoring device (20), and the executing device (60) is configured to close the adding device (50) after receiving an alarm signal sent by the monitoring device (20).

Description

Error-preventing system, weighing device and tobacco production equipment
Technical Field
The invention relates to the technical field of tobacco, in particular to an error prevention system, a weighing device and tobacco production equipment.
Background
In the production work of blending the coating liquid for the reconstituted tobacco, the concentrated solution of the tobacco stems and the other essence and spice are required to be accurately blended according to the process formula by an electronic weighing system to prepare the coating liquid and be sprayed on the reconstituted tobacco again, so that the materials are required to be accurately weighed. In the related art, an electronic scale is used for weighing materials, but when a weighing result of the electronic scale has a large error, a weighing system cannot identify the fault, so that weighing errors and process quality accidents are caused.
It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention provides an error prevention system, a weighing device and tobacco production equipment, which can monitor the weighing condition in real time and give an alarm to faults in the weighing process, thereby avoiding the occurrence of process quality accidents.
According to a first aspect of the present invention there is provided an error protection system comprising:
the acquisition device is configured to acquire a plurality of signals and output the plurality of signals after processing; and
and the monitoring device is configured to receive the plurality of signals output by the acquisition device and send out an alarm signal when at least one signal is absent or the difference value of two signals is greater than or equal to a preset difference value.
In some embodiments, the acquisition device includes a signal isolation device configured to prevent the plurality of signals from being interfered.
In some embodiments, the acquisition means comprises signal amplification means for amplifying the plurality of signals.
In some embodiments, the acquisition device comprises a signal conversion device configured to convert the plurality of signals acquired by the acquisition device into preset signals for input to the monitoring device.
In some embodiments, the error protection system further comprises a power supply for powering the acquisition device.
According to a second aspect of the present invention, there is provided a weighing apparatus comprising an error protection system as described above.
In some embodiments, the weighing apparatus further comprises a plurality of load cells in signal communication with the error protection system.
According to a third aspect of the present invention there is provided a tobacco production apparatus comprising an error protection system or weighing device as described above, the weighing device being configured to weigh tobacco material and additive liquid.
In some embodiments, the tobacco production apparatus further comprises an adding device configured to add an additive liquid to the tobacco material.
In some embodiments, the tobacco production plant further comprises an execution device in signal connection with the monitoring device, the execution device being configured to turn off the adding device after receiving the alarm signal from the monitoring device.
Based on the technical scheme, the acquisition device is arranged to acquire and process a plurality of signals, the monitoring device is arranged to analyze the signals, and an alarm signal can be sent out when at least one signal is missing or the difference value between two signals is greater than or equal to a preset difference value, so that an abnormal signal is timely alarmed, and the judgment result of the signal due to signal missing or abnormal signal influence is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.
FIG. 1 is a schematic illustration of the connection of some embodiments of the tobacco-producing apparatus of the present invention;
FIG. 2 is a schematic diagram of the operation of some embodiments of the error protection system of the present invention.
In the figure:
10. a collection device; 11. a signal isolation device; 12. a signal amplification device; 13. a signal conversion device;
20. a monitoring device; 30. a power source; 40. a weighing sensor; 50. an adding device; 60. and an execution device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention.
As shown in fig. 1, in a preferred embodiment of the present invention, the error protection system includes an acquisition device 10 and a monitoring device 20, the acquisition device 10 is configured to acquire and process a plurality of signals and output the processed signals, and the monitoring device 20 is configured to receive the plurality of signals output by the acquisition device 10 and send out an alarm signal when at least one of the signals is missing or when a difference between two of the signals is greater than or equal to a preset difference.
The signal type collected by the collecting device can be various, including voltage signal, current signal and frequency signal.
The monitoring device 20 processes the plurality of signals output by the acquisition device 10, and if the difference between two signals is greater than or equal to a preset difference, the monitoring device 20 sends out an alarm signal.
In the above embodiment, the acquisition device 10 is arranged to acquire and process a plurality of signals, and the monitoring device 20 is arranged to analyze the signals, so that an alarm signal can be sent out when at least one of the signals is missing or when the difference between two of the signals is greater than or equal to a preset difference, and thus an alarm is timely performed on an abnormal signal, and the judgment result of the signal due to signal missing or abnormal signal influence is avoided.
In some embodiments, the acquisition device 10 comprises a signal isolation device 11, the signal isolation device 11 being configured to prevent the plurality of signals from being interfered. The signal isolation device 11 can effectively prevent the signal from being interfered by external factors, and can also prevent a plurality of signals from being interfered with each other, thereby effectively ensuring the accuracy and stability of signal transmission.
In some embodiments, the acquisition device 10 includes a signal amplification device 12 for amplifying a plurality of signals. The signal amplifying device 12 amplifies the signal output by the signal isolating device 11 for further processing.
If the plurality of signals collected by the collecting means 10 are analog signals, which are not easily recognized directly by the monitoring means 20, the collected signals may be converted first. To this end, in some embodiments, the acquisition device 10 comprises a signal conversion device 13, the signal conversion device 13 being configured to convert the plurality of signals into preset signals for input to the monitoring device 20. The signal conversion means 13 may be used to convert the signal acquired by the acquisition means 10 into a current signal, a voltage signal, a digital signal or the like which is easily recognized directly by the monitoring means 20.
In some embodiments, the number of the signal conversion devices 13 is the same as the number of the signals collected by the collection device 10, so that the signal conversion devices 13 correspond to the collected signals one to one.
In some embodiments, the error protection system further includes a power supply 30 for powering the acquisition device 10. Alternatively, the power supply 30 for powering the acquisition device 10 may be configured separately or shared with an error protection system.
The invention also provides a weighing device comprising the error-proof system. The weighing device is configured to weigh the tobacco materials and the additive liquid, and the error-proof system is used for identifying faults in the weighing process and giving an alarm in time.
As shown in fig. 1, in some embodiments, the weighing apparatus further includes a plurality of load cells 40, and the load cells 40 are configured to convert a pressure applied during weighing into a voltage signal for output.
In the preferred embodiment of the present invention, as shown in fig. 1, the weighing apparatus includes three load cells 40. In practical applications, the number of the weighing sensors 40 can be specifically set according to working requirements, such as two, four, five, etc., and the larger the number of the weighing sensors 40, the more accurate the weighing result is finally obtained, but the higher the probability of weighing failure occurs.
As shown in fig. 1, a plurality of load cells 40 are in signal communication with the acquisition device 10 in the error protection system. The monitoring device 20 processes a plurality of signals output by the acquisition device 10, and if the number of the signals is less than that of the weighing sensors 40, the monitoring device 20 sends out an alarm signal.
In practical application, the error-proof system can be connected with the weighing sensor to collect weighing signals and process and analyze the weighing signals, and the error-proof system is also suitable for collecting, processing and analyzing signals output by the vibration sensor, the liquid level sensor, the photoelectric sensor, the speed sensor and the temperature sensor.
The invention also provides tobacco production equipment comprising the error-preventing system or the weighing device. The weighing device is used for weighing the tobacco materials and the additive solution, and the error-proof system is used for identifying faults in the weighing process and giving an alarm in time.
As shown in fig. 1, in some embodiments, the tobacco production apparatus further comprises an adding device 50, the adding device 50 being configured to add an additive liquid to the tobacco material.
In some embodiments, the tobacco production plant further comprises an execution device 60, the execution device 60 is in signal connection with the monitoring device 20 in the error-protection system, and the execution device 60 is configured to turn off the adding device 50 after receiving the alarm signal sent by the monitoring device 20. After the fault is eliminated, the adding device 50 is restarted, so that the weighing accuracy is ensured, and the occurrence of process quality accidents is avoided.
As shown in fig. 2, in the process of weighing the tobacco material and the additive solution, the error prevention system provided by the present invention may operate according to the steps of "collecting signals → processing signals → recognizing abnormalities → handling", firstly collecting the weighing signals of the weighing sensors 40 through the collecting device 10, then performing isolation, amplification and conversion processing on the collected signals, and then analyzing the signals through the monitoring device 20, wherein if the number of the signals is less than the number of the weighing sensors 40 or the difference value of the signals is greater than or equal to a preset difference value, the monitoring device 20 sends an alarm signal, and the executing device 60 receives the alarm signal sent by the monitoring device 20 and closes the additive device 50.
By way of illustration of various embodiments of the error protection system of the present invention, it can be seen that the error protection embodiments of the present invention have at least the following advantages: the device can be directly additionally installed on the original equipment, and has the characteristics of simple installation and lower cost; the operation steps are clear, the response speed is high, and the function of online rapid diagnosis of the sensor fault can be realized, so that the maintenance efficiency of equipment is improved; the device has strong adaptability, and can be used for identifying faults in the measurement process of various devices for weighing, temperature measurement and speed measurement, thereby realizing monitoring of the running condition of the device from the source and preventing process quality accidents from happening in time.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made without departing from the principles of the invention, and these modifications and equivalents are intended to be included within the scope of the claims.

Claims (10)

1. An error protection system, comprising:
the device comprises an acquisition device (10), wherein the acquisition device (10) is configured to acquire a plurality of signals and output the signals after processing; and
a monitoring device (20) configured to receive a plurality of signals output by the acquisition device (10) and to issue an alarm signal when at least one of the signals is missing or when the difference between two of the signals is greater than or equal to a preset difference.
2. Error protection system in accordance with claim 1 characterized in that the acquisition means (10) comprise signal isolation means (11), the signal isolation means (11) being configured to prevent the plurality of signals from being disturbed.
3. Error protection system in accordance with claim 1 characterized in that the acquisition means (10) comprise signal amplification means (12) for amplifying the plurality of signals.
4. Error protection system in accordance with claim 1 characterized in that the acquisition means (10) comprise signal conversion means (13), the signal conversion means (13) being configured to convert a plurality of signals acquired by the acquisition means (10) into preset signals to be input to the monitoring means (20).
5. Error protection system according to claim 1, further comprising a power supply (30) for powering the acquisition device (10).
6. A weighing apparatus comprising an error protection system as claimed in any one of claims 1 to 5.
7. The weighing apparatus according to claim 6, further comprising a plurality of load cells (40), said plurality of load cells (40) being in signal connection with said error protection system.
8. A tobacco production apparatus comprising an error protection system according to any one of claims 1 to 5 or a weighing device according to any one of claims 6 to 7, the weighing device being configured to weigh tobacco material and additive liquid.
9. The tobacco production apparatus according to claim 8, further comprising an adding device (50), the adding device (50) being configured to add the additive liquid to the tobacco material.
10. A tobacco production apparatus according to claim 9, further comprising an execution device (60), the execution device (60) being in signal connection with the monitoring device (20), the execution device (60) being configured to switch off the adding device (50) upon receiving an alarm signal issued by the monitoring device (20).
CN202210151378.6A 2022-02-18 2022-02-18 Error-preventing system, weighing device and tobacco production equipment Pending CN114518153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210151378.6A CN114518153A (en) 2022-02-18 2022-02-18 Error-preventing system, weighing device and tobacco production equipment

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Application Number Priority Date Filing Date Title
CN202210151378.6A CN114518153A (en) 2022-02-18 2022-02-18 Error-preventing system, weighing device and tobacco production equipment

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CN114518153A true CN114518153A (en) 2022-05-20

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101526392A (en) * 2009-04-22 2009-09-09 江苏赛摩集团有限公司 On-line monitoring device and method of weighting sensors
CN209765017U (en) * 2019-04-03 2019-12-10 福建金闽再造烟叶发展有限公司 Relay detection device and tobacco sheet production system
CN112985571A (en) * 2021-03-25 2021-06-18 梅特勒-托利多(常州)精密仪器有限公司 Digital weighing sensor and weighing system thereof
CN213515963U (en) * 2020-09-03 2021-06-22 重庆市计量质量检测研究院 Intelligent precision electronic balance
KR20210086882A (en) * 2019-12-31 2021-07-09 한국남부발전 주식회사 Summing card detecting abnormal state of load cell and operation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101526392A (en) * 2009-04-22 2009-09-09 江苏赛摩集团有限公司 On-line monitoring device and method of weighting sensors
CN209765017U (en) * 2019-04-03 2019-12-10 福建金闽再造烟叶发展有限公司 Relay detection device and tobacco sheet production system
KR20210086882A (en) * 2019-12-31 2021-07-09 한국남부발전 주식회사 Summing card detecting abnormal state of load cell and operation method thereof
CN213515963U (en) * 2020-09-03 2021-06-22 重庆市计量质量检测研究院 Intelligent precision electronic balance
CN112985571A (en) * 2021-03-25 2021-06-18 梅特勒-托利多(常州)精密仪器有限公司 Digital weighing sensor and weighing system thereof

Non-Patent Citations (1)

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Title
郭健等: "《机械电子学 第3版》", 31 August 2019, 哈尔滨工业大学出版社, pages: 6 *

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