CN107908741B - Paper tearing detection system and method - Google Patents
Paper tearing detection system and method Download PDFInfo
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- CN107908741B CN107908741B CN201711132479.4A CN201711132479A CN107908741B CN 107908741 B CN107908741 B CN 107908741B CN 201711132479 A CN201711132479 A CN 201711132479A CN 107908741 B CN107908741 B CN 107908741B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/63—Querying
- G06F16/638—Presentation of query results
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
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Abstract
The invention relates to the technical field of printers, and provides a paper tearing detection system and a method, which are applied to a printer, wherein the paper tearing detection system comprises a sound acquisition device, a main control chip, a storage device and a mobile terminal, wherein the sound acquisition device and the storage device are both electrically connected with the main control chip, the main control chip is in communication connection with the mobile terminal, and a sound database is stored in the storage device; the sound collection device is used for collecting external environment sound when the printer works and sending the external environment sound to the main control chip; the main control chip is used for receiving external environment sound, comparing the external environment sound with sound template data in the sound database to obtain a paper tearing result, and feeding the paper tearing result back to the mobile terminal. Compared with the prior art, the embodiment of the invention can timely feed back the paper tearing result of the printer to the mobile terminal, so that the mobile terminal can know whether the printed content is torn or read, and the invention has good practicability and universality.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a paper tearing detection system and a paper tearing detection method.
Background
The printer is a device which prints various image information such as bar codes, two-dimensional codes, figures, characters and the like on paper slips in a thermosensitive and thermal transfer printing mode. At present, partial printers on the market tear off the slips manually by users after printing, and when the users do not tear off the slips in time, the terminals cannot know whether the slips are torn off and read, and cannot obtain timely feedback.
Disclosure of Invention
The present invention is directed to a paper tearing detection system and method for improving the above-mentioned problems.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a paper tearing detection system, which is applied to a printer, and includes a sound collection device, a main control chip, a storage device and a mobile terminal, where the sound collection device and the storage device are both electrically connected to the main control chip, the main control chip is in communication connection with the mobile terminal, and a sound database is stored in the storage device; the sound collection device is used for collecting external environment sound when the printer works and sending the external environment sound to the main control chip; the main control chip is used for receiving the external environment sound, comparing the external environment sound with the sound template data in the sound database to obtain a paper tearing result, and feeding the paper tearing result back to the mobile terminal.
Further, the sound collection device is a sound sensor, a microphone or a buzzer.
Further, the storage device is an F L ASH flash memory, an SD card, or an EEPROM.
Further, tear paper detecting system still includes the high in the clouds, the high in the clouds with main control chip communication connection is used for to the sound database of storage updates in the storage device.
In a second aspect, an embodiment of the present invention further provides a paper tearing detection method, which is applied to the paper tearing detection system, where the paper tearing detection system includes a sound collection device, a main control chip, a storage device and a mobile terminal, the sound collection device and the storage device are both electrically connected to the main control chip, the main control chip is in communication connection with the mobile terminal, and a sound database is stored in the storage device; the sound collection device is used for collecting external environment sound when the printer works and sending the external environment sound to the main control chip; the main control chip is used for receiving the external environment sound, comparing the external environment sound with the sound template data in the sound database to obtain a paper tearing result, and feeding the paper tearing result back to the mobile terminal. The paper tearing detection method comprises the following steps: the sound collection device collects external environment sound when the printer works and sends the external environment sound to the main control chip; the main control chip receives the external environment sound, compares the external environment sound with the sound template data in the sound database to obtain a paper tearing result, and feeds the paper tearing result back to the mobile terminal.
Further, the voice template data includes a paper tearing knife splitting characteristic and a natural tearing characteristic, and the step of comparing the external environment voice with the voice template data in the voice database to obtain a paper tearing result includes: comparing the external environment sound with sound template data in the sound database; when the external environment sound comprises the paper tearing characteristics of the paper tearing knife, judging that the paper tearing result is that the user finishes paper tearing; when the external environment sound comprises a natural tearing feature, judging that the paper tearing result is that the user does not complete paper tearing; and when the external environment sound comprises the paper tearing knife splitting characteristic and the natural tearing characteristic, judging that the tearing result is incomplete paper tearing of the user.
Compared with the prior art, the paper tearing detection system and method provided by the embodiment of the invention have the advantages that firstly, the external environment sound generated when the printer works is collected by the sound collection device, and the external environment sound is sent to the main control chip; secondly, the main control chip compares the external environment sound with the sound template data in the sound database to obtain a paper tearing result, and feeds the paper tearing result back to the mobile terminal. Compared with the prior art, the embodiment of the invention can timely feed back the paper tearing result of the printer to the mobile terminal, so that the mobile terminal can know whether the printed content is torn or read, and the invention has good practicability and universality.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 shows a block diagram of a paper tearing detection system according to a first embodiment of the present invention.
Fig. 2 shows a flowchart of the operation of the paper tearing detection system according to the first embodiment of the present invention.
Fig. 3 shows a block diagram of a paper tearing detection system according to a second embodiment of the present invention.
Icon: 100, 200-tear detection system; 110-a sound collection device; 130-a storage device; 150-a master control chip; 160-a network; 170-mobile terminal; 180-strain gage set; 190-detection circuit.
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 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
First embodiment
Referring to fig. 1, fig. 1 is a block diagram illustrating a paper tearing detection system 100 according to a first embodiment of the present invention. The paper tearing detection system 100 is applied to a printer and comprises a sound collection device 110, a storage device 130, a main control chip 150 and a mobile terminal 170, wherein the sound collection device 110 and the storage device 130 are electrically connected with the main control chip 150, and the main control chip 150 is in communication connection with the mobile terminal 170 through a network 160.
In this embodiment, the sound collection device 110 is electrically connected to the main control chip 150, and the sound collection device 110 is configured to collect external environment sound when the printer operates, and send the external environment sound to the main control chip 150. As an implementation mode, when the printer completes one-time printing and a user tears paper, the paper is torn by the paper tearing knife under pressure, paper tearing sound with the characteristic of being torn by the paper tearing knife is emitted, and the paper tearing sound can be collected by collecting external environment sound through the sound collection device 110 when the printer works. The sound collection device 110 collects external environmental sounds generated when the printer operates, and then sends the sounds to the main control chip 150.
In the present embodiment, the sound collection device 110 may be, but is not limited to, a sound sensor, a microphone, a buzzer, and the like.
In the present embodiment, the storage device 130 stores a sound database, and the sound database includes sound template data, where the sound template data includes a paper tearing blade splitting characteristic and a natural tearing characteristic. As an embodiment, the method of creating the sound database may be, but is not limited to, first recording the sound of the paper being cut by the paper cutter under pressure and the sound of the paper being torn naturally; and then respectively extracting the sound of the paper which is cut by the paper cutter under the pressure and the sound of the paper which is naturally torn to obtain the cutting characteristic and the natural tearing characteristic of the paper cutter, wherein the cutting characteristic and the natural tearing characteristic of the paper cutter form sound template data and are stored in a sound database.
In one embodiment, the storage device 130 may be, but is not limited to, an F L ASH flash Memory, an SD Card (secure digital Memory Card), or an EEPROM (Electrically erasable programmable Read-Only Memory).
In this embodiment, the main control chip 150 is configured to receive the external environment sound, compare the external environment sound with the sound template data in the sound database to obtain a paper tearing result, and feed back the paper tearing result to the mobile terminal 170. As an embodiment, the main control chip 150 may be an integrated circuit chip having signal Processing capability, and the main control chip 150 may be a general-purpose processor including a Central Processing Unit (CPU), a Network Processor (NP), a voice processor, a video processor, and the like, and may also be a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. As an embodiment, the main control chip 150 may be, but is not limited to, a single chip.
In this embodiment, the external environment sound is compared with the sound template data in the sound database, and when the external environment sound includes the paper tearing knife splitting feature, it is determined that the paper tearing result is that the user has finished paper tearing.
As an embodiment, assuming that the user performs a complete paper tearing action, i.e. the paper is completely torn by the paper tearing blade, the external environment sound collected by the sound collection device 110 during the printer operation includes the paper tearing blade tearing feature, and only has such a paper tearing sound. After the sound collection device 110 sends the external environment sound to the main control chip 150, the main control chip 150 compares the external environment sound with the sound template data in the sound database, and when the sound feature of the external environment sound obtained after comparison is consistent with the paper tearing knife splitting feature, it is determined that the user has completed one paper tearing action, that is, the paper tearing result is the paper tearing completed by the user, and the paper tearing result is fed back to the mobile terminal 170.
In this embodiment, the external environment sound is compared with the sound template data in the sound database, and when the external environment sound includes a natural tearing feature, it is determined that the paper tearing result is that the user does not complete paper tearing.
In one embodiment, it is assumed that the user performs a paper tearing operation, but the paper is not cut by the paper tearing blade but is torn naturally, and the external environment sound collected by the sound collection device 110 during the operation of the printer includes a natural tearing feature and only has such a paper tearing sound. After the sound collection device 110 sends the external environment sound to the main control chip 150, the main control chip 150 compares the external environment sound with the sound template data in the sound database, and when the sound feature of the external environment sound obtained after comparison is consistent with the natural tearing feature, it is determined that the user does not tear paper completely, that is, the paper tearing result is that the user does not tear paper completely, and the paper tearing result is fed back to the mobile terminal 170.
In this embodiment, the external environment sound is compared with the sound template data in the sound database, and when the external environment sound includes the paper tearing knife splitting feature and the natural tearing feature, it is determined that the tearing result is that the paper tearing of the user is incomplete.
As an embodiment, it is assumed that the user performs an incomplete paper tearing action, that is, a broken portion of the paper is cut by the paper tearing blade, and a portion of the paper is not cut by the paper tearing blade but is naturally torn. At this time, the sound collection device 110 collects external environment sounds during the operation of the printer, including two different paper tearing sounds, one is a paper tearing sound with a paper tearing knife splitting characteristic, and the other is a paper tearing sound with a natural tearing characteristic. After the sound collection device 110 sends the external environment sound to the main control chip 150, the main control chip 150 compares the external environment sound with the sound template data in the sound database, and when the sound feature of the external environment sound obtained after comparison contains the paper tearing knife splitting feature and the natural tearing feature, it is determined that the user does not tear paper completely, that is, the paper tearing result is that the paper tearing of the user is incomplete, and the paper tearing result is fed back to the mobile terminal 170.
In this embodiment, when the user completes a paper tearing operation and completes paper tearing detection by using the paper tearing detection system 100 to obtain a paper tearing result, the main control chip 150 sends the paper tearing result of the paper tearing operation to the mobile terminal 170, that is, informs the mobile terminal 170 as a feedback, so that the mobile terminal 170 knows whether the printed print content is torn or read. Therefore, the paper tearing detection system 100 provided by the embodiment of the invention has universality.
In the embodiment, the main control chip 150 is communicatively connected to the mobile terminal 170 through a network 160, and as an implementation, the network 160 may be a wired network or a wireless network. The mobile terminal 170 may be, but is not limited to, a smart phone, a tablet computer, a laptop portable computer, a Personal Digital Assistant (PDA), a wearable mobile terminal, and the like.
In the embodiment of the present invention, the paper tearing detection system 100 further includes a cloud, and the cloud is in communication connection with the main control chip 150, and is used for updating the sound database stored in the storage device 130. That is to say, the high in the clouds stores the printer of different models and prints once accomplishing, and when the user torn paper, the sound that the paper was split by the paper tearing sword under the pressure effect and the characteristics of the sound that the paper was torn by nature. That is to say, the high in the clouds storage has the paper tearing sword that the printer of different models corresponds to cut apart characteristic and nature and tears the characteristic, and when this printer used for the first time or when using after the maintenance, the user can download corresponding paper tearing sword from the high in the clouds and cut apart characteristic and nature and tear the sound database of characteristic to storage device 130 according to the model of printer.
Referring to fig. 2, fig. 2 is a flowchart illustrating an operation of the paper tearing detection system 100 according to the first embodiment of the present invention. The workflow of the paper tear detection system 100 includes:
in step S1, the sound collection device 110 collects external environmental sounds when the printer is operating, and sends the external environmental sounds to the main control chip 150.
In this embodiment, once printing is accomplished to the printer, and when the user torn paper, the paper was cut apart by the paper tearing sword under pressure, sent to have and has had the paper tearing sound of cutting apart the characteristic by the paper tearing sword, gathered external environment sound at the printer during operation through sound collection system 110, just can gather paper tearing sound. The sound collection device 110 collects external environmental sounds generated when the printer operates, and then sends the sounds to the main control chip 150.
In step S2, the main control chip 150 receives the external environment sound, compares the external environment sound with the sound template data in the sound database to obtain a paper tearing result, and feeds back the paper tearing result to the mobile terminal 170.
In this embodiment, the external environment sound is compared with the sound template data in the sound database, and when the external environment sound includes the paper tearing knife splitting feature, it is determined that the paper tearing result is that the user has finished paper tearing. As an embodiment, assuming that the user performs a complete paper tearing action, i.e. the paper is completely torn by the paper tearing blade, the external environment sound collected by the sound collection device 110 during the printer operation includes the paper tearing blade tearing feature, and only has such a paper tearing sound. After the sound collection device 110 sends the external environment sound to the main control chip 150, the main control chip 150 compares the external environment sound with the sound template data in the sound database, and when the sound feature of the external environment sound obtained after comparison is consistent with the paper tearing knife splitting feature, it is determined that the user has completed one paper tearing action, that is, the paper tearing result is the paper tearing completed by the user, and the paper tearing result is fed back to the mobile terminal 170.
In this embodiment, the external environment sound is compared with the sound template data in the sound database, and when the external environment sound includes a natural tearing feature, it is determined that the paper tearing result is that the user does not complete paper tearing. In one embodiment, it is assumed that the user performs a paper tearing operation, but the paper is not cut by the paper tearing blade but is torn naturally, and the external environment sound collected by the sound collection device 110 during the operation of the printer includes a natural tearing feature and only has such a paper tearing sound. After the sound collection device 110 sends the external environment sound to the main control chip 150, the main control chip 150 compares the external environment sound with the sound template data in the sound database, and when the sound feature of the external environment sound obtained after comparison is consistent with the natural tearing feature, it is determined that the user does not tear paper completely, that is, the paper tearing result is that the user does not tear paper completely, and the paper tearing result is fed back to the mobile terminal 170.
The working principle of the paper tearing detection system 100 provided by the embodiment of the invention is as follows: firstly, when the printer finishes one-time printing and a user tears paper, the sound collection device 110 collects external environment sound when the printer works, so that the paper tearing sound can be collected, and the sound collection device 110 collects the external environment sound when the printer works and then sends the external environment sound to the main control chip 150; secondly, the main control chip 150 receives the external environment sound, compares the external environment sound with the sound template data in the sound database to obtain a paper tearing result, and feeds the paper tearing result back to the mobile terminal 170, that is, compares the external environment sound with the sound template data in the sound database, and when the external environment sound includes the paper tearing knife splitting characteristic, determines that the paper tearing result is that the user finishes paper tearing; when the external environment sound comprises the natural tearing characteristic, the paper tearing result is judged to be that the user does not complete paper tearing.
Second embodiment
Referring to fig. 3, fig. 3 is a block diagram illustrating a paper tearing detection system 200 according to a second embodiment of the present invention. Compared with the first embodiment, the paper tearing detection system 200 according to the second embodiment of the present invention further includes a strain gauge set 180 and a detection circuit 190, the strain gauge set 180 is installed on a paper tearing blade of a printer, and the strain gauge set 180, the detection circuit 190 and the main control chip 150 are electrically connected in sequence. The paper tearing detection system 200 provided in this embodiment can still complete paper tearing detection to obtain a paper tearing result when the sound collection device 110 fails, and feed the paper tearing result back to the mobile terminal 170.
In this embodiment, the strain gage assembly 180 includes one or more strain gages for detecting strain in the paper tearing blade. The one or more strain gauges are attached to the paper knife, and may be, but are not limited to, attached to the paper knife using glue, double-sided tape, or the like. And the one or more strain gauges may be, but are not limited to, resistive strain gauges. It should be noted that the number of the strain gauges in the strain gauge set 180 can be flexibly adjusted by a technician according to the actual use situation of the user.
In this embodiment, when the printer completes one-time printing and the user tears the paper, the paper hand presses the edge of the paper tearing blade, and the pressure of the paper tends to strain the paper tearing blade. When the paper tearing blade is strained, the strain gauge set 180 attached to the paper tearing blade senses the strain of the paper tearing blade, and the resistance of one or more strain gauges included in the strain gauge set 180 changes along with the strain.
In this embodiment, when the sound collection device 110 fails, the main control chip 150 controls the detection circuit 190 to start working, the detection circuit 190 is configured to detect whether the resistance value of the strain gauge set 180 changes, and when it is detected that the resistance value of any one of the strain gauges 180 changes, a resistance value change signal is generated and sent to the main control chip 150, that is, if the resistance value of one of the strain gauges changes, a resistance value change signal is generated and sent to the main control chip 150; if the resistance values of the three strain gauges change, three resistance value change signals are generated and sent to the main control chip 150.
In this embodiment, the main control chip 150 is configured to analyze the resistance value change signal to obtain a paper tearing result, and feed back the paper tearing result to the mobile terminal 170. When the main control chip 150 receives the resistance value change signals of all the strain gauges in the strain gauge set 180, it is determined that the paper tearing result is that the user has finished paper tearing. When the main control chip 150 receives the resistance value change signal of a part of the strain gauges in the strain gauge set 180, it is determined that the paper tearing result is that the user does not tear paper.
The working principle of the paper tearing detection system 200 provided by the embodiment of the invention is as follows: firstly, when the printer finishes one-time printing and a user tears paper, the paper is pressed to the cutting edge of the paper tearing knife by hands, the paper tearing knife is forced to generate strain by the pressure of the paper, and the strain gauge group 180 detects the strain of the paper tearing knife; secondly, when the sound collection device 110 has a fault, the main control chip 150 controls the detection circuit 190 to start working, the detection circuit 190 is used for detecting whether the resistance value of the strain gauge group 180 changes, and when the resistance value of any one strain gauge in the strain gauge group 180 is detected to change, a resistance value change signal is generated and sent to the main control chip 150; finally, the main control chip 150 is configured to analyze the resistance value change signal to obtain a paper tearing result, and feed back the paper tearing result to the mobile terminal 170. When the main control chip 150 receives the resistance value change signals of all the strain gauges in the strain gauge set 180, it is determined that the paper tearing result is that the user has finished paper tearing. When the main control chip 150 receives the resistance value change signal of a part of the strain gauges in the strain gauge set 180, it is determined that the paper tearing result is that the user does not tear paper.
In summary, the system and method for detecting paper tearing provided by the present invention are applied to a printer, the system for detecting paper tearing includes a sound collection device, a main control chip, a storage device and a mobile terminal, the sound collection device and the storage device are both electrically connected to the main control chip, the main control chip is in communication connection with the mobile terminal, and a sound database is stored in the storage device; the sound collection device is used for collecting external environment sound when the printer works and sending the external environment sound to the main control chip; the main control chip is used for receiving external environment sound, comparing the external environment sound with sound template data in the sound database to obtain a paper tearing result, and feeding the paper tearing result back to the mobile terminal. The paper tearing detection method comprises the following steps: the sound collection device collects external environment sound when the printer works and sends the external environment sound to the main control chip; the main control chip receives external environment sound, compares the external environment sound with sound template data in the sound database to obtain a paper tearing result, and feeds the paper tearing result back to the mobile terminal. Compared with the prior art, the embodiment of the invention can timely feed back the paper tearing result of the printer to the mobile terminal, so that the mobile terminal can know whether the printed content is torn or read, and the invention has good practicability and universality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (5)
1. A paper tearing detection system is characterized by being applied to a printer and comprising a sound acquisition device, a main control chip, a storage device and a mobile terminal, wherein the sound acquisition device and the storage device are electrically connected with the main control chip, the main control chip is in communication connection with the mobile terminal, and a sound database is stored in the storage device;
the sound collection device is used for collecting external environment sound when the printer works and sending the external environment sound to the main control chip;
the main control chip is used for receiving the external environment sound;
the main control chip is used for comparing the external environment sound with the sound template data in the sound database; the sound template data comprises a paper tearing knife cutting characteristic and a natural tearing characteristic;
the main control chip is further used for judging that the paper tearing result is that the paper tearing is finished by the user when the external environment sound comprises the paper tearing knife splitting characteristic;
the main control chip is further used for judging that the paper tearing result is that the user does not finish paper tearing when the external environment sound comprises a natural tearing feature;
the main control chip is further used for judging that the tearing result is incomplete paper tearing of the user when the external environment sound comprises a paper tearing knife splitting characteristic and a natural tearing characteristic;
the main control chip is further used for feeding back the paper tearing result to the mobile terminal.
2. The paper tear detection system of claim 1 wherein the sound collection device is a sound sensor, a microphone, or a buzzer.
3. The paper tear detection system of claim 1 wherein said storage device is F L ASH flash, SD card, or EEPROM.
4. The paper tearing detection system according to claim 1, further comprising a cloud end, wherein the cloud end is in communication connection with the main control chip and is used for updating the sound database stored in the storage device.
5. A paper tearing detection method applied to the paper tearing detection system of any one of claims 1-4, the method comprising:
the sound collection device collects external environment sound when the printer works and sends the external environment sound to the main control chip;
the main control chip receives the external environment sound;
comparing the external environment sound with sound template data in the sound database; the sound template data comprises a paper tearing knife cutting characteristic and a natural tearing characteristic;
when the external environment sound comprises the paper tearing characteristics of the paper tearing knife, judging that the paper tearing result is that the user finishes paper tearing;
when the external environment sound comprises a natural tearing feature, judging that the paper tearing result is that the user does not complete paper tearing;
when the external environment sound comprises a paper tearing knife splitting characteristic and a natural tearing characteristic, judging that the tearing result is incomplete paper tearing of the user;
and feeding back the paper tearing result to the mobile terminal.
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| CN106394019A (en) * | 2015-07-31 | 2017-02-15 | 精工爱普生株式会社 | Printer and Paper Cut Detection Method |
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