CN210815568U - Paper shredder capable of automatically detecting spread bags - Google Patents
Paper shredder capable of automatically detecting spread bags Download PDFInfo
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- CN210815568U CN210815568U CN201921483188.4U CN201921483188U CN210815568U CN 210815568 U CN210815568 U CN 210815568U CN 201921483188 U CN201921483188 U CN 201921483188U CN 210815568 U CN210815568 U CN 210815568U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Abstract
The utility model discloses a paper shredder for automatically detecting and laying bags, wherein an automatic bag outlet box is arranged at the upper part of a barrel body, and an air pressure bag laying device is arranged at the lower part of the barrel body; the barrel body is internally provided with at least one dielectric medium sheet set, the control unit is respectively and electrically connected with the dielectric medium parameter detection unit, the comparison and conversion unit and the air pressure bag laying device, and two dielectric medium sheets of the dielectric medium sheet set are respectively and electrically connected with the dielectric medium parameter detection unit as capacitance medium sheets in a circuit structure; the utility model discloses be provided with the automatic bag box that goes out that deposits wastepaper collection bag in the upper end of staving, spread the bagging apparatus automatic transport wastepaper collection bag through atmospheric pressure, whether the bag bits are collected to the automated inspection wastepaper is garrulous targets in place, realizes sending the bag automatically, and degree of automation is high, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the kneader technique and specifically relates to an automatic detect kneader of shop's bag.
Background
The paper shredder is used for shredding documents and other articles, and a garbage can is arranged at the lower part of a paper shredder head of the paper shredder and receives dropped paper scraps through the garbage can. However, the paper scraps can fly around due to the static adhesion on the wall of the barrel, which is difficult to clean and inconvenient to use. On the other hand, the upper part or the side surface of the trash can is generally provided with electronic components such as a detector, an inductor or an inductive switch and the like, and the electronic components are used for detecting the height of paper scraps in the trash can or for special purposes, and the paper scraps can adhere to the surface of the detector to cause the detector to fail.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an automatic detect and spread kneader of bag, full-automatic putting the bag, collecting bag automatic collection shredded paper bits through the wastepaper, degree of automation is high, avoids the wastepaper to cause the pollution, and is cleaner.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides an automatic detect kneader of shop bag, includes control circuit, shredder head and installs in the staving of shredder head below, and the chip removal mouth has been seted up to the upper portion of shredder head, lower part, and the inner chamber of shredder head is provided with the shredded paper core, and the rotatory shredded paper sword stick of installing of shredded paper core, its characterized in that: an automatic bag outlet box with an inner cavity for storing or storing paper scraps and packaging a collecting bag is arranged at the bottom of the shredder head or at the upper part of the barrel body, a paper scrap collecting port which is used for collecting the paper scraps and vertically penetrates through the automatic bag outlet box is formed in the middle of the automatic bag outlet box, and the paper scrap collecting port is positioned below the scrap discharging port;
an automatic bag placing device is arranged at the paper shredder head and/or the barrel body, the automatic bag placing device comprises an air pressure bag laying device and/or a mechanical bag pressing mechanism, and the automatic bag placing device is positioned above or below the automatic bag discharging box;
at least one dielectric sheet set is arranged in the barrel body, the dielectric sheet set comprises two oppositely-oriented dielectric sheets, the two dielectric sheets of the same dielectric sheet set are respectively arranged on the left side and the right side or the upper side and the lower side of the barrel body, and the dielectric sheets at least extend for a set length along the height direction and/or the width direction;
the control circuit is provided with a control unit, a dielectric parameter detection unit and a comparison and conversion unit, the control unit is respectively and electrically connected with the dielectric parameter detection unit, the comparison and conversion unit and the air pressure bag laying device,
two dielectric sheets of the dielectric sheet set are used as capacitance dielectric sheets in the circuit structure and are respectively and electrically connected with the dielectric parameter detection unit;
the dielectric parameter detection unit continuously detects or intermittently detects the dielectric parameters of the dielectric sheet group and transmits a dielectric parameter signal to the control unit;
the comparison and conversion unit receives the dielectric parameter signal and transmits a bag body parameter signal which is obtained by conversion and reflects the falling state of the paper scrap collecting bag to the control unit;
the control unit receives the bag body parameter signal, controls the air pressure bag laying device to keep powered on to work when the bag body parameter signal is smaller than a set bag body parameter threshold value, and controls the air pressure bag laying device to stop working after power off or stop working after power off in a delayed mode when the bag body parameter signal is larger than the bag body parameter threshold value.
Furthermore, a plurality of groups of dielectric sheet groups are fixed on a side plate of the barrel body, two dielectric sheets of the same dielectric sheet group are respectively installed on the left side and the right side of the barrel body and face oppositely, the two dielectric sheets of the same dielectric sheet group are respectively used as two electrode sheets of a capacitor and are respectively electrically connected to the dielectric parameter detection unit, the control circuit or the dielectric parameter detection unit respectively loads charges or voltages to each dielectric sheet group and respectively detects the maximum charge capacity or the maximum voltage of each corresponding dielectric sheet, and the dielectric parameter detection unit detects corresponding dielectric parameters of each dielectric sheet group; 1-5 groups of dielectric sheet groups are arranged at intervals along the side surface of the barrel body in the height direction, and 1-5 groups of dielectric sheet groups are arranged at intervals along the side surface of the barrel body in the longitudinal direction.
Furthermore, only one dielectric sheet group is installed on the barrel body, two dielectric sheets of the dielectric sheet group are respectively fixed on the left side and the right side of the barrel body, the upper end and the lower end of each dielectric sheet along the height direction respectively extend to the upper side and the lower side of the barrel body or the upper side and the lower side of the adjacent barrel body, and the front end and the rear end of each dielectric sheet along the longitudinal direction respectively extend to the front side and the rear side of the barrel body or the front side and the rear side of the adjacent barrel body.
Furthermore, the control circuit is provided with a power supply unit which is electrically connected with the control unit;
the control unit generates a detection signal at set time intervals continuously at least in the process of electrifying the air pressure bag laying device;
the power supply unit is always and respectively electrically connected with each corresponding dielectric plate group, or the power supply unit is respectively and electrically connected with each corresponding dielectric plate group after receiving the detection signal and is used for respectively and continuously loading or discontinuously loading charges or voltages to each corresponding dielectric plate group;
before the dielectric parameter detection unit detects the dielectric parameters of each corresponding dielectric slab group each time or only in the detection process, the power supply unit is respectively electrically connected with each corresponding dielectric slab group and is disconnected from each corresponding dielectric slab group by delaying the set time;
the dielectric parameter detection unit is always electrically connected with each corresponding dielectric sheet group or at least detects that each corresponding dielectric sheet group is electrically conducted after the dielectric parameter detection unit receives the detection signal;
the dielectric parameter detection unit detects the maximum charge capacity or the maximum voltage of each corresponding dielectric sheet so as to detect and obtain the dielectric parameters at least including the capacitance dielectric coefficient of each corresponding dielectric sheet group.
Further, the control circuit is provided with a storage unit electrically connected to the control unit, the storage unit stores a relationship conversion table obtained by pre-testing and a bag parameter threshold value corresponding to the control of the pneumatic bag laying device to stop working when power is off, the relationship conversion table comprises a plurality of groups of bag parameters and dielectric parameters respectively corresponding to the bag parameters one by one, the bag parameters at least comprise bag parameter values representing the falling height, the falling length, the arrival interval or the bag shape of the paper scrap packaging and collecting bag, bag parameter interval values or position codes, and the dielectric parameters comprise capacitance medium values or capacitance medium interval values of capacitance medium coefficients of the dielectric sheet groups corresponding to the corresponding bag parameters;
the comparison and conversion unit is used for obtaining corresponding bag body parameters through conversion according to the received dielectric parameters and forming a bag body parameter signal containing the bag body parameters, and the control unit is used for receiving the bag body parameter signal.
Furthermore, the paper shredding machine core is fixed with a motor and a paper shredding transmission mechanism, the paper shredding cutter rod comprises a cutter shaft and a plurality of paper shredding blades which are arranged in series at intervals and fixed on the cutter shaft, two corresponding adjacent paper shredding blades of the two paper shredding cutter rods are in shearing fit, the outer edges of the blades are provided with cutter points, the control circuit is electrically connected with the motor, the motor is in transmission connection with the paper shredding transmission mechanism, and the paper shredding transmission mechanism is in transmission connection with the paper shredding cutter rod;
an air pressure bag laying device is arranged above the automatic bag discharging box or the lower part of the barrel body;
the paper shredder is provided with a control key, the control key is electrically connected with the control unit, and the control unit transmits an automatic bag feeding signal or is electrically connected with the air pressure bag laying device to the air pressure bag laying device after receiving a key signal of the control key, so that the air pressure bag laying device is started and electrified to work;
after the pneumatic bag laying device is electrified to work, the dielectric parameter detection unit continuously detects or detects each dielectric sheet group at intervals;
the air pressure bag laying device comprises a positive pressure bag blowing device and/or a negative pressure bag sucking device.
Furthermore, the negative pressure bag suction device comprises an air exhaust fan and an air exhaust opening arranged on a bottom plate or a side plate of the barrel body, the air exhaust fan is fixedly arranged at the air exhaust opening and is provided with an air inlet surface and an air outlet surface, the air inlet surface of the air exhaust fan faces the barrel body, the air inlet surface of the air exhaust fan is in sealing fit with the edge of the air exhaust opening, and the control unit is electrically connected with the air exhaust fan;
the positive-pressure bag blowing device comprises a blowing fan, the control unit is electrically connected with the blowing fan, the blowing fan is fixed above the automatic bag outlet box and is provided with an air inlet surface and an air outlet surface, and the air outlet surface of the blowing fan faces the paper scrap collecting opening;
the upper part of the barrel body is provided with an installation position, an automatic bag outlet box which can be replaced and used is clamped on the installation position, and the automatic bag outlet box is in sealing fit with the upper part of the barrel body;
an automatic bag outlet box is arranged on the inner side of the bag outlet box, and the bag outlet surrounds the paper scrap collecting opening for a circle;
the dielectric sheet is made of a metal plate, an iron sheet with an insulating paint layer on the surface or a conductive metal printing layer printed on the side face of the barrel body.
Furthermore, the width of the paper scrap collecting port is not less than that of the scrap discharging port, and the length of the paper scrap collecting port is not less than that of the scrap discharging port;
the automatic bag outlet box comprises a frame with a hollowed middle part to form the wastepaper collection port, the frame is in a shape of a circular ring body or a shape of a Chinese character 'hui', the frame is positioned and clamped in the mounting position, a sealing gasket is fixed on the mounting position or the bottom surface or the side surface of the frame, the frame is provided with a bag storage inner cavity, the wastepaper collection bag which is continuous along the length direction and is in a barrel shape after being unfolded is stored in the bag storage inner cavity, an outlet port is formed at the upper opening of the bag storage inner cavity, and a cover body is fixed or clamped on the frame;
a bag body sealing and fusing device is arranged below the automatic bag outlet box;
two dielectric sheets of the same dielectric sheet set are respectively fixed on the left side surface and the right side surface of the barrel body and respectively extend to the inner bottom surface of the barrel body from the corresponding side surfaces of the barrel body.
Furthermore, a door plate which can be opened in a rotating mode is installed on the front face of the barrel body or an outer-pulling type inner barrel is movably arranged in the barrel body, the door plate is fixed on the front face of the inner barrel and is in sealing fit with the barrel body, and a transparent observation window is fixed in the middle of the door plate.
Furthermore, the shredder head and/or the barrel body are/is provided with a bag falling state indicating device which is electrically connected with the control unit;
the bag falling state indicating device selects a graphic display unit with a graphic display area, an indicating lamp, an indicating symbol or an LED indicating lamp group with multi-level indication, and is used for indicating the bag falling condition of the wastepaper collecting bag;
wherein the graphic display area or the indicator symbol has a simulated graphic or symbol representing or showing the lint collection bag in an out-of-position.
Compared with the prior art, the utility model the advantage that has is: the utility model discloses be provided with the automatic bag box that goes out that deposits wastepaper collection bag in the upper end of staving, spread the bagging apparatus automatic transport wastepaper collection bag through atmospheric pressure, whether the bag bits are collected to the automated inspection wastepaper is garrulous targets in place, realizes sending the bag automatically, and degree of automation is high, convenient to use.
The shredded paper scraps falling from the scrap discharge port all automatically fall into the paper scrap collecting bag, so that the shredded paper scraps are prevented from flying around, the paper shredder and various electronic components including a detector, an inductor or an inductive switch are prevented from being polluted by the shredded paper scraps, the barrel body is kept clean, and the energy conservation and environmental protection are realized.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the shredder of the present invention.
Fig. 2 is a schematic structural view of the present invention, in which a dielectric sheet facing each other is fixed on each of the left and right sides of the barrel to form a dielectric sheet group.
Fig. 3 is a schematic structural view of the present invention, in which three dielectric sheets are fixed side by side on the left and right sides of the barrel body to form three dielectric sheet groups respectively.
FIG. 4 is a schematic view of a configuration in which the dielectric sheet extends from the side of the barrel to the inner bottom surface of the barrel.
FIG. 5 is a schematic structural view of the pneumatic bag-laying device installed at the bottom of the barrel body.
Fig. 6 is a schematic structural view of the automatic bag discharging box of the present invention.
FIG. 7 is a schematic view of a graphic display unit mounted on the top surface of the shredder head for showing the falling state of the paper scrap packing and collecting bag in a simulated manner.
1. The paper shredder comprises a shredder head 11, a scrap discharge port 12, a paper inlet 13, a scrap paper packaging and collecting bag 14, an air suction port 15 and a bag falling state indicating device.
2. Barrel 20, door panel 21 and observation window
3. An automatic bag outlet box 31, a wastepaper collection port 32, a bag outlet 33, a bag storage cavity 34 and a cover body.
5. Air pressure bag laying device.
6. Dielectric sheet
Detailed Description
A paper shredder capable of automatically detecting and laying bags is shown in figures 1 to 7 and comprises a control circuit, a paper shredding machine head 1 and a barrel body 2 arranged below the paper shredding machine head 1, wherein a paper inlet 12 is arranged at the upper part of the paper shredding machine head 1, a scrap discharge port 11 is arranged at the lower part of the paper shredding machine head, a paper shredding machine core is arranged in an inner cavity of the paper shredding machine head 1, a paper shredding cutter bar is rotatably arranged on the paper shredding machine core, specifically, a motor and a paper shredding transmission mechanism are fixed on the paper shredding machine core, the paper shredding cutter bar comprises a cutter shaft and a plurality of paper shredding cutter blades which are alternately arranged in series and fixed on the cutter shaft, two corresponding adjacent paper shredding cutter blades of the two paper shredding cutter bars are in shearing fit, a cutter point is arranged at the outer edge of each cutter blade, the control circuit is electrically connected with the motor, the motor is in transmission connection with the paper shredding transmission mechanism, articles such as paper or files are thrown in, the paper or the document is crushed into paper scraps by the paper shredder bar, and the paper scraps are discharged downward through a scrap discharge port 11 provided below the paper shredder bar.
An automatic bag outlet box 3 is arranged at the bottom of the paper shredder head 1, as shown in fig. 1-6, or the upper part of the barrel body 2 is provided with the automatic bag outlet box 3, an inner cavity of the automatic bag outlet box 3 stores a paper scrap packaging and collecting bag 13, or the automatic bag outlet box 3 is arranged into a bag storage inner cavity 33 capable of storing the paper scrap packaging and collecting bag 13, the middle part of the automatic bag outlet box 3 is provided with a paper scrap collecting opening 31 which is used for collecting paper scraps and vertically penetrates through the automatic bag outlet box 3, and the paper scrap collecting opening 31 is positioned below the scrap discharging opening 11; specifically, the automatic bag discharging box 3 comprises a frame with a hollow middle part forming a paper scrap collecting port 31, the frame is in a circular ring shape or a shape like a Chinese character 'hui', the frame is positioned and clamped in the mounting position, a sealing pad is fixed on the bottom surface or the side surface of the mounting position or the frame, the frame is provided with a storage bag inner cavity 33, the storage bag inner cavity 33 is in a ring body shape or a shape of Chinese character 'hui', the wastepaper packaging and collecting bag 13 is a through bag with a continuous bag body and only an opening at the end part, the storage bag inner cavity 33 stores the wastepaper packaging and collecting bag 13 which is in a tube body shape after being unfolded and has a continuous bag body along the length direction, the wastepaper packaging and collecting bag 13 is generally in a cylinder body shape, an opening at the upper part of the storage bag inner cavity 33 forms a bag outlet, the frame is fixed or clamped with a cover, the cover body 34 can be opened to store the paper scrap packaging and collecting bag 13 into the inner cavity 33 of the paper scrap storage bag, and the bag body of the paper scrap packaging and collecting bag 13 is folded in a Z shape and is stored in the inner cavity 33 of the paper scrap storage bag; the automatic bag outlet box 3 is provided with a bag outlet 32 at the inner side, and the bag outlet 32 surrounds the wastepaper collecting port 31 for a circle. The wastepaper that will save in the inner chamber through a sack 32 is packed and is collected bag 13 and export downwards, and figure 5 shows, makes the wastepaper packing collect bag 13 downwardly extending to the bottom of staving 2, collects the wastepaper through the wastepaper packing collect bag 13, makes the clearance of wastepaper simpler and convenient, avoids the wastepaper to fly upward everywhere or pollute the subassembly of reducing mill. The shredded paper scraps which drop downwards are smashed by the shredded paper knife rod and drop downwards into the shredded paper packaging bag from the scrap discharge port 11 under the action of self weight, the problem that the shredded paper scraps are easily stuck on the wall of the barrel when only the barrel body is adopted to directly collect the shredded paper scraps in the prior art is solved, flying of the shredded paper scraps can be avoided, and the energy-saving and environment-friendly effects are achieved.
The utility model discloses a staving 2 is used for collecting the wastepaper collecting vessel of wastepaper for current kneader, but the utility model discloses a staving 2 is not the direct collection wastepaper, and the wastepaper that the shredded paper in-process produced is whole to be collected in wastepaper packing collection bag 13, and staving 2 is only used for holding wastepaper packing collection bag 13.
In order to realize automatic conveying of paper scrap collecting bags into the barrel body, an automatic bag placing device is arranged on the paper shredder head 1 and/or the barrel body 2 and comprises an air pressure bag laying device 5 and/or a mechanical bag pressing mechanism, and the automatic bag placing device is located above or below the automatic bag discharging box 3.
For example, a mechanical bag pressing mechanism is arranged inside or below the shredder head 1, the mechanical bag pressing mechanism is a push rod mechanism, a push plate mechanism or a weight which is driven by a driving mechanism, and the paper scrap packaging and collecting bag with the bottom hot-melt sealed is pushed downwards through the push rod mechanism, the push plate mechanism or the weight, so that the paper scrap packaging and collecting bag is sent into the barrel body 2.
In the preferred embodiment, an air pressure bag spreading device 5 is disposed above the automatic bag discharging box 3, or an air pressure bag spreading device 5 is disposed at the lower portion of the barrel 2, and the control circuit is provided with a control unit electrically connected to the air pressure bag spreading device 5 for outputting the paper scrap packaging and collecting bag 13 in the automatic bag discharging box 3 to the barrel 2.
Specifically, the air pressure bag laying device 5 includes a positive pressure bag blowing device or a negative pressure bag pulling device, and of course, the positive pressure bag blowing device and the negative pressure bag pulling device may be installed at the same time. Wherein, the negative pressure draws bagging apparatus includes bleed fan and extraction opening 14, extraction opening 14 sets up the bottom plate at staving 2, or extraction opening 14 sets up at the curb plate, bleed fan fixed mounting is in extraction opening 14, bleed fan has air inlet face and air-out face, bleed fan's air inlet face orientation is at staving 2, bleed fan's air inlet face and the sealed cooperation in the edge of extraction opening 14, the control unit electricity is connected bleed fan, form a relative sealed space in the inside of staving 2 after closing the door, take out the air in staving 2 inside through bleed fan, make the inner chamber at staving 2 form the negative pressure relatively, through the automatic atmospheric pressure effect of going out bag box 3 top or outside, with the bottom through the packing of the bits of paper packing collection bag 13 of bag body sealing fuse device hot melt draw down or inhale and move to 2 lower parts at staving 2. The positive pressure bag blowing device comprises a blowing fan, the control unit is electrically connected with the blowing fan, the blowing fan is fixed above the automatic bag outlet box 3, the blowing fan is provided with an air inlet surface and an air outlet surface, the air outlet surface of the blowing fan faces towards the paper scrap collecting port 31, and air is blown towards the paper scrap collecting port 31 through the blowing fan, so that the bottom of the paper scrap packaging and collecting bag 13 sealed by the bag body sealing and fusing device in a hot melting mode is blown downwards.
Wherein, for the paper scrap packing and collecting bag 13 which is blown downwards by the blowing fan, the sealing design is not needed on the barrel body 2, therefore, the barrel body 2 can be designed into a bracket structure and the like, for example, various brackets, frames, platforms and the like are used to replace the barrel body 2.
Specifically, the width of the paper scrap collecting port 31 is not less than the width of the scrap discharging port 11, and the length of the paper scrap collecting port 31 is not less than the length of the scrap discharging port 11; the front surface of the barrel body 2 is provided with a door panel 20 which is opened in a rotating way or an external pulling type inner barrel is movably arranged in the barrel body 2, the front surface of the inner barrel is fixed with the door panel 20, the door panel 20 is in sealing fit with the barrel body 2, and the middle part of the door panel 20 is provided with a transparent observation window 21. When the door plate 20 is closed in front of the barrel body 2, the lower part of the door plate is sealed by the hot-melt sealed paper scrap packaging and collecting bag 13 to seal the paper scrap collecting port 31, the automatic bag outlet box 3 is sealed at the upper part of the barrel body 2, so that a relatively sealed space is formed in the inner cavity of the barrel body 2, and after the air exhaust fan arranged at the lower part of the barrel body 2 starts to exhaust air, negative pressure is formed in the inner cavity of the barrel body 2, so that the paper scrap packaging and collecting bag 13 can be smoothly conveyed downwards.
The barrel body 2 is provided with a safety switch or a starting switch which is electrically connected with the control unit and is in contact press fit with the inner barrel or the door plate 20 for conducting power.
In the preferred embodiment, a bag body sealing fusing device is arranged below the automatic bag outlet box 3, the bag body sealing fusing device comprises a base, a drawing mechanism and a hot melting mechanism, the drawing mechanism is installed on the base and is used for drawing in or pressing the paper scrap packaging and collecting bag 13, the hot melting mechanism is installed on the base and is used for forming a hot melting sealing part by hot melting and sealing the bag body of the paper scrap packaging and collecting bag 13, a fusing mechanism or a cutting mechanism is installed on the hot melting mechanism, the middle part of the hot melting sealing part is cut off through the fusing mechanism or the cutting mechanism, the upper part of the paper scrap packaging and collecting bag 13 which is cut off and is collected with paper scraps is provided with the hot melting sealing part, and the lower part of the paper scrap packaging and collecting bag 13 which is cut off and is kept below the automatic bag outlet box 3 is provided with the hot melting sealing part.
Be provided with an installation position on the upper portion of staving 2, the installation position clamps the automatic bag box 3 that goes out that can change the use, go out bag box 3 automatically and with the sealed cooperation in the upper portion of staving 2, it is the box body that can tear out and repack into wastepaper packing collection bag 13 to go out bag box 3 automatically, perhaps go out bag box 3 automatically and be the disposable subassembly that has wastepaper packing collection bag 13 in advance, after wastepaper packing collection bag 13 in the automatic bag box 3 that goes out has used up, it can to change a new automatic bag box 3 that goes out.
In a preferred embodiment, at least one dielectric sheet group is installed in the barrel body 2, one dielectric sheet group comprises two oppositely-oriented dielectric sheets 6, the two dielectric sheets 6 of the same dielectric sheet group are respectively installed on the left side and the right side or the upper side and the lower side of the barrel body 2, and the dielectric sheets 6 extend for a set length at least along the height direction and the width direction; the control circuit is provided with a control unit, a dielectric parameter detection unit and a comparison conversion unit, the control unit is respectively and electrically connected with the dielectric parameter detection unit, the comparison conversion unit and the air pressure bag laying device 5, and two dielectric sheets 6 of the dielectric sheet set are respectively and electrically connected with the dielectric parameter detection unit as capacitance dielectric sheets in the circuit structure; after the pneumatic bagging device 5 is powered on to work, the dielectric parameter detection unit continuously detects or detects each dielectric sheet 6 at intervals. The dielectric parameter detection unit continuously detects or intermittently detects dielectric parameters of the dielectric sheet group and transmits a dielectric parameter signal to the control unit; the comparison and conversion unit receives the dielectric parameter signal and transmits a bag body parameter signal which is obtained by conversion and reflects the falling state of the paper scrap packaging and collecting bag 13 to the control unit. The paper shredder is provided with a control key which is electrically connected with the control unit, the control unit transmits an automatic bag feeding signal to the air pressure bag laying device 5 or electrically conducts the air pressure bag laying device 5 after receiving a key signal of the control key, the control unit is used for starting the air pressure bag laying device 5 and electrifying the air pressure bag laying device to work, after the pneumatic bag laying device 5 is electrified to work, the dielectric parameter detection unit continuously detects or detects each dielectric sheet group at intervals, the control unit receives a bag parameter signal, when the bag parameter signal is smaller than the set bag parameter threshold value, the control unit controls the air pressure bag laying device 5 to keep electrifying work, when the bag parameter signal is larger than the bag parameter threshold value, the control unit controls the air pressure bag laying device 5 to cut off the power and stop working, of course, the control unit may control the pneumatic bag laying device 5 to stop working after power-off when the bag parameter signal is greater than the bag parameter threshold.
In the detection process, a plurality of dielectric parameters are obtained by continuously detecting the dielectric parameter detection unit for a plurality of times at intervals, the comparison and conversion unit calculates the dielectric parameters and obtains a dielectric parameter average value, and then the dielectric parameter average value is converted to obtain a bag body parameter signal. Preferably, before each detection of the dielectric parameter detection unit, a discharge operation is performed, in which the discharge operation electrically connects two corresponding dielectric slabs 6 of each dielectric slab group in a short circuit, or electrically connects two corresponding dielectric slabs 6 of each dielectric slab group to ground, so as to remove charges or voltages loaded on each dielectric slab group, so that a more accurate dielectric parameter can be obtained when the dielectric parameter detection unit detects the dielectric slabs. In a preferred embodiment, the comparison and conversion means compares two bag parameter signals adjacent to each other in front and rear of the same dielectric group, and repeats the detection after performing the discharge operation once when there is a sudden change in the two bag parameter signals adjacent to each other in front and rear of the same dielectric group. Preferably, in at least three consecutive detection results, when each detected bag parameter signal is greater than the bag parameter threshold, the control unit controls the air pressure bag laying device 5 to stop working after power off in a delayed manner, so that the dielectric parameters of the dielectric sheet group can be detected more accurately, a more accurate dielectric parameter can be obtained, detection distortion is avoided, and premature or late stop of the air pressure bag laying device 5 caused by detection errors is avoided.
Specifically, a plurality of groups of dielectric sheet groups are fixed on a side plate of the barrel body 2, two dielectric sheets 6 of the same dielectric sheet group are respectively installed on the left side and the right side of the barrel body 2 and face oppositely, the two dielectric sheets 6 of the same dielectric sheet group are respectively used as two pole pieces of a capacitor and are respectively electrically connected to a dielectric parameter detection unit, a control circuit or the dielectric parameter detection unit respectively loads charges or voltages on each dielectric sheet group and respectively detects the maximum charge capacity or the maximum voltage of each corresponding dielectric sheet 6, and the dielectric parameter detection unit detects corresponding dielectric parameters of each dielectric sheet group; the side surface of the barrel body 2 in the height direction is provided with 1-5 groups of dielectric medium groups at intervals, the side surface of the barrel body 2 in the longitudinal direction is provided with 1-5 groups of dielectric medium groups at intervals, when the paper scrap packaging and collecting bag 13 moving downwards has an overlapped area with the dielectric medium 6 of the corresponding dielectric medium group, the capacitance medium coefficient of the corresponding dielectric medium 6 obviously changes, each group of dielectric medium groups is equivalent to a non-contact sensor, the detection is very simple and accurate, the section to which the paper scrap packaging and collecting bag 13 moves downwards is identified through a plurality of dielectric medium group sections, the position and the state of the paper scrap packaging and collecting bag 13 conveyed downwards and falling to the barrel body 2 are identified through a section identification technology, and the position and the state of the paper scrap packaging and collecting bag 13 are simulated and displayed through a graphic display unit. Of course, the specific length of the paper scrap packaging and collecting bag 13 falling to the barrel body 2 can be further detected and calculated by detecting the change of the capacitance medium coefficient of each group of dielectric sheets, or the specific position of the bottom of the paper scrap packaging and collecting bag 13 falling to the barrel body 2 can be further detected and calculated.
The indication form or display form of the graphic display unit comprises a display form of digital percentage, a display form of a progress bar, a display form of a column height bar, a display form of sequential lighting indication or gradual lighting indication through each LED lamp in the LED group and a symbol or simulation graphic display of a bag body state falling into the barrel body 2 through simulation representation; the indication content of the graphic display unit comprises the automatic bag placing progress of the paper scrap packaging and collecting bag 13, the bag falling height of the paper scrap packaging and collecting bag 13 or the bag opening shape of the paper scrap packaging and collecting bag 13. Of course, the alarm indication can be given by a loudspeaker.
For example, 3 sets of dielectric sheets are arranged side by side along the longitudinal direction at intervals along the side surface of the barrel body 2 in the height direction, two dielectric sheets of each set of dielectric sheets are respectively fixed on the left and right side surfaces of the barrel body 2 and face oppositely, the upper and lower sides of each dielectric sheet respectively extend to the upper and lower sides of the barrel body 2, and the dielectric sheets of two adjacent sets of dielectric sheets are in clearance fit at intervals, as shown in fig. 3.
For example, 3 sets of dielectric sheet groups are arranged side by side along the height direction at intervals along the height direction on the side surface of the barrel body 2, two dielectric sheets of each set of dielectric sheet group are respectively fixed on the left side surface and the right side surface of the barrel body 2 and face oppositely, the front side and the rear side of each dielectric sheet respectively extend to the front side and the rear side of the barrel body 2, and the dielectric sheets of two adjacent sets of dielectric sheet groups are in interval clearance fit.
For example, 3 sets of dielectric sheet groups are arranged at intervals along the side surface of the barrel body 2 in the height direction, 3 sets of dielectric sheet groups are arranged at intervals along the side surface of the barrel body 2 in the longitudinal direction, 9 dielectric sheet groups arranged in a matrix are mounted on side plates of the barrel body 2, the paper scrap packaging and collecting bag 13 can be detected in three sections in the transverse direction and the longitudinal direction, the position state of the three-dimensional paper scrap packaging and collecting bag 13 can be obtained, the three-dimensional state of the paper scrap packaging and collecting bag 13 is simulated and displayed through a graphic display unit, the falling state of the paper scrap packaging and collecting bag 13 is observed more directly and clearly when the paper scrap packaging and collecting bag 13 is automatically conveyed to the barrel body 2, and the position of the bottom of the paper scrap packaging and collecting bag 13 and the state of the bag body can also be observed more.
Preferably, the outer edges of the outer set of dielectric sheets are adjacent to the edges of the corresponding sides of the barrel 2. The whole side surface of the barrel body 2 is basically covered with the dielectric sheets, so that the problem of insensitive induction caused by relatively large relative distance between two dielectric sheets of the same dielectric sheet group is solved.
The dielectric sheet 6 is made of a metal plate, an iron sheet with an insulating paint layer on the surface, or a conductive metal printing layer printed on the side surface of the barrel body 2. Preferably, the dielectric sheet 6 has an insulating layer adhered to the surface thereof, and an insulating paint layer is generally sprayed on the surface of the dielectric sheet 6, for example, an iron sheet with an insulating paint layer sprayed on the surface thereof is selected as the dielectric sheet 6, so that the dielectric sheet 6 is easily obtained, for example, the dielectric sheet 6 can be obtained by a simple iron sheet cutting process and a spraying process, and the cost of the dielectric sheet 6 is extremely low. The voltage loaded on the dielectric sheet set is generally controlled to be 3-12V, the dielectric sheet set can relatively contain a certain amount of charges or keep a certain voltage after being electrified, and the dielectric parameter detection unit can detect the amount of charges or the voltage loaded on the dielectric sheet set.
The body 2 of the shredder head 1 is provided with a bag falling state indicating device 15 which is electrically connected with the control unit; the bag falling state indicating device 15 is selected from a loudspeaker sound alarm, an indicator light, an LED indicator light group with multi-level indication, an indicator symbol with a graphic display area or a graphic display unit, and is used for indicating the bag falling condition of the wastepaper packaging and collecting bag 13, and indicating or simulating the bag falling state or the bag body shape of the wastepaper packaging and collecting bag conveyed into the barrel body through the bag falling state indicating device 15; the indication form of the bag falling state indication device 15 includes an indication form of sound alarm through a loudspeaker, a display form of indication through digital percentage, a display form of indication through a progress bar, a display form of indication through a column height bar, a display form of sequentially lighting indication or step-by-step lighting indication through each LED lamp in the LED group, a display form of indication through simulation of a symbol or simulation graph indicating the state of a bag body falling into the barrel body; the indication content of the graphic display unit comprises the automatic bag placing progress of the wastepaper packaging and collecting bag, the bag falling height of the wastepaper packaging and collecting bag or the bag opening shape of the wastepaper packaging and collecting bag; as shown in fig. 7, the bag falling state indicating device 15 indicates the position of the bottom of the paper scrap collecting bag 13 or the bag falling condition of the paper scrap collecting bag 13 respectively through a plurality of indicator lights, or the bag falling state indicating device 15 indicates the position of the bottom of the paper scrap collecting bag 13 or the bag falling condition of the paper scrap collecting bag 13 through a speaker voice broadcast by the speaker.
According to the number and the installation positions of the dielectric sheets 6, the positions of the bottoms of the paper scrap packaging and collecting bags 13 can be displayed in a grading mode by combining the detection mode of the dielectric parameter detection unit, and meanwhile, the expansion conditions of the paper scrap packaging and collecting bags 13 in the length direction or the width direction can be displayed in a grading mode, namely the positions of the paper scrap packaging and collecting bags 13 reached at the outer edges in the length direction or the width direction; the real-time position of the bottom of the paper scrap packaging and collecting bag 13 can be synchronously and continuously simulated and displayed in real time through the graphic display unit, the expansion condition of the paper scrap packaging and collecting bag 13 in the length direction or the width direction can be synchronously and continuously simulated and displayed in real time through the graphic display unit, and a user can more directly and clearly know the state of the paper scrap packaging and collecting bag 13. If the spreading state of the paper scrap packaging and collecting bag 13 does not meet the requirement of the user after the air pressure bag laying device 5 stops working, the user can touch and press the control key again to control the air pressure bag laying device 5 to carry out bag laying work again, so that the spreading state of the paper scrap packaging and collecting bag 13 meets the requirement of the user.
In a preferred embodiment, the barrel 2 is only provided with one dielectric sheet group, as shown in fig. 2, two dielectric sheets 6 of the dielectric sheet group are respectively fixed on the left and right sides of the barrel 2, and the upper and lower ends of the dielectric sheet 6 extend to the upper and lower sides of the barrel 2 along the height direction, or the upper and lower ends of the dielectric sheet 6 are respectively adjacent to the upper and lower sides of the barrel 2, the front and rear ends of the dielectric sheet 6 extend to the front and rear sides of the barrel 2 along the longitudinal direction, or the front and rear ends of the dielectric sheet 6 are respectively adjacent to the front and rear sides of the barrel 2, and the left and right inner side surfaces of the barrel 2 are respectively covered with one dielectric sheet 6 to. I.e. the area of one dielectric sheet 6 is 0.2-0.5 square meter, the area of the dielectric sheet 6 is determined by the barrels 2 of different sizes and specifications. The dielectric sheets 6 with the ultra-large area can contain larger electric charge or electric quantity when a low-voltage direct-current voltage of 3-24V is loaded, or can bear higher voltage, and the influence on the capacitance medium coefficient of the dielectric sheet group is more obvious when the state of the paper scrap packaging and collecting bag 13 descending between the two dielectric sheets 6 changes. Specifically, when the lengths of the paper scrap packaging and collecting bags 13 which go down between the two dielectric sheets 6 are different, or the overlapping areas of the paper scrap packaging and collecting bags 13 which go down between the two dielectric sheets 6 and the dielectric sheets 6 are different, the difference of the charge amount which can be accommodated by the dielectric sheet group is larger after a low-voltage direct-current voltage is provided for the dielectric sheet group, that is, the variation range of the capacitance medium coefficient of the dielectric sheet group is larger, which means that the sensitivity and accuracy in the detection of the capacitance medium coefficient are higher.
For example, two dielectric sheets 6 of the same dielectric sheet group are respectively fixed on the left and right side surfaces of the barrel body 2, the front and rear sides of the dielectric sheet 6 are respectively adjacent to the edges of the front and rear sides of the corresponding side surface of the barrel body 2, and the lower parts of the two dielectric sheets 6 of the same dielectric sheet group extend to the inner bottom surface of the barrel body 2 from the corresponding side surface of the barrel body 2, as shown in fig. 4, the edges of the two dielectric sheets 6 belonging to the same dielectric sheet group extending to the inner bottom surface of the barrel body 2 are arranged in parallel and are in clearance fit.
Preferably, the lower parts of the two dielectric sheets 6 of the same dielectric sheet group respectively extend from the corresponding side surfaces of the barrel body 2 to the inner bottom surface of the barrel body 2, and the upper parts respectively extend to the side of the automatic bag outlet box 3 or extend to the bottom surface of the shredder head 1. Of course, an iron piece electrically connected to the corresponding dielectric piece 6 may be fixed to both sides of the exhaust port 11 on the bottom surface of the shredder head 1, respectively, to form a C-shaped dielectric piece group.
The capacitance medium coefficient can be detected by various technologies, and is calculated by detecting at least one of the maximum charge quantity, the maximum voltage parameter, the maximum current parameter or the shortest charging time which can be accommodated by the corresponding dielectric sheet group; for example, the maximum charge amount carried by the dielectric sheet group is directly detected and the capacitance medium coefficient is calculated, for example, the capacitance medium coefficient is calculated by detecting the time required for loading the low-voltage direct-current voltage and enabling the voltage of the dielectric sheet group to reach a set value, for example, the capacitance medium coefficient is calculated by detecting the maximum current value of the loaded low-voltage direct-current voltage, and therefore, the used technical parameter for detecting the capacitance medium coefficient can be the current, the voltage, the charge or the time.
In a preferred embodiment, the control circuit is provided with a power supply unit electrically connected to the control unit; the control unit generates a detection signal at set time intervals continuously at least in the process of electrifying the air pressure bag laying device 5; the power supply unit is always and respectively electrically connected with each corresponding dielectric plate group, or the power supply unit is respectively and electrically connected with each corresponding dielectric plate group after receiving the detection signal and is used for respectively and continuously loading or discontinuously loading charges or voltages to each corresponding dielectric plate group; before the dielectric parameter detection unit detects the dielectric parameters of each corresponding dielectric sheet group each time or only in the detection process, the power supply unit is respectively electrically connected with each corresponding dielectric sheet group and is disconnected from each corresponding dielectric sheet group by delaying the set time; the dielectric parameter detection unit is always electrically connected with each corresponding dielectric sheet group or at least detects that each corresponding dielectric sheet group is electrically conducted after the dielectric parameter detection unit receives the detection signal; the dielectric parameter detection unit detects the maximum charge capacity or the maximum voltage of each corresponding dielectric sheet 6, so as to detect and obtain the dielectric parameters at least including the capacitance dielectric coefficient of each corresponding dielectric sheet group.
In the detection process, the dielectric parameter detection unit detects that a low-voltage direct-current voltage of 3-12V is provided for the dielectric sheet set, and the dielectric parameter detection unit detects the capacitance dielectric coefficient of the dielectric sheet set.
In a preferred embodiment, the control circuit is provided with a power supply unit electrically connected to the control unit; in the detection process, the power supply unit provides a low-voltage direct-current voltage of 3-12V for the dielectric sheet set, and the dielectric parameter detection unit detects the capacitance dielectric coefficient of the dielectric sheet set. Specifically, the control unit generates a detection signal at a set time interval continuously at least in the process of electrifying the air pressure bag laying device 5; the power supply unit is always and respectively electrically connected with each corresponding dielectric plate group, or the power supply unit is respectively and electrically connected with each corresponding dielectric plate group after receiving the detection signal and is used for respectively and continuously loading or discontinuously loading charges or voltages to each corresponding dielectric plate group; before the dielectric parameter detection unit detects the dielectric parameters of each corresponding dielectric sheet group each time or only in the detection process, the power supply unit is respectively electrically connected with each corresponding dielectric sheet group and is disconnected from each corresponding dielectric sheet group by delaying the set time; the dielectric parameter detection unit is always electrically connected with each corresponding dielectric sheet group, or at least detects that each corresponding dielectric sheet group is electrically conducted after the dielectric parameter detection unit receives the detection signal; the dielectric parameter detection unit detects the maximum charge capacity or the maximum voltage of each corresponding dielectric sheet 6, so as to detect and obtain the dielectric parameters at least including the capacitance dielectric coefficient of each corresponding dielectric sheet group.
Preferably, the control circuit is provided with a storage unit electrically connected to the control unit, the storage unit stores a relationship conversion table obtained by a pre-test and a bag parameter threshold value for correspondingly controlling the pneumatic bag laying device 5 to stop working when power is off, the relationship conversion table comprises a plurality of groups of bag parameters and dielectric parameters respectively corresponding to the bag parameters one by one, the bag parameters at least comprise bag parameter values representing the falling height, the falling length, the arrival interval or the bag shape of the paper scrap storage packaging and collecting bag 13, bag parameter interval values or position codes, and the dielectric parameters comprise capacitance medium values or capacitance medium interval values of capacitance medium coefficients of the dielectric sheet groups corresponding to the corresponding bag parameters; the comparison and conversion unit is used for obtaining corresponding bag body parameters through conversion according to the received dielectric parameters and forming a bag body parameter signal containing the bag body parameters, and the control unit is used for receiving the bag body parameter signal.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides an automatic detect kneader of shop bag, includes control circuit, shredder head (1) and installs in staving (2) of shredder head (1) below, and paper feed (12), chip removal mouth (11) have been seted up to the upper portion of shredder head (1), the lower part, and the inner chamber of shredder head (1) is provided with the shredded paper core, and the shredded paper core rotation is installed shredded paper sword stick, its characterized in that: an automatic bag outlet box (3) with an inner cavity for storing or storing paper scrap packaging and collecting bags (13) is arranged at the bottom of the shredder head (1) or the upper part of the barrel body (2), a paper scrap collecting port (31) which is used for collecting paper scraps and penetrates through the automatic bag outlet box (3) up and down is formed in the middle of the automatic bag outlet box (3), and the paper scrap collecting port (31) is positioned below the scrap discharging port (11);
an automatic bag placing device is arranged on the paper shredder head and/or the barrel body (2), the automatic bag placing device comprises an air pressure bag laying device (5) and/or a mechanical bag pressing mechanism, and the automatic bag placing device is positioned above or below the automatic bag discharging box (3);
at least one dielectric sheet group is arranged in the barrel body (2), the dielectric sheet group comprises two oppositely-oriented dielectric sheets (6), the two dielectric sheets (6) of the same dielectric sheet group are respectively arranged on the left side and the right side or the upper side and the lower side of the barrel body (2), and the dielectric sheets (6) at least extend for a set length along the height direction and/or the width direction;
the control circuit is provided with a control unit, a dielectric parameter detection unit and a comparison and conversion unit, the control unit is respectively and electrically connected with the dielectric parameter detection unit, the comparison and conversion unit and the automatic bag placing device,
two dielectric sheets (6) of the dielectric sheet set are used as capacitance dielectric sheets in the circuit structure and are respectively and electrically connected with the dielectric parameter detection unit;
the dielectric parameter detection unit continuously detects or intermittently detects the dielectric parameters of the dielectric sheet group and transmits a dielectric parameter signal to the control unit;
the comparison and conversion unit receives the dielectric parameter signal and transmits a bag body parameter signal of the falling state of the reaction paper scrap packaging and collecting bag (13) obtained through conversion to the control unit;
the control unit receives the bag body parameter signal, controls the automatic bag placing device to keep powered on to work when the bag body parameter signal is smaller than a set bag body parameter threshold value, and controls the automatic bag placing device to stop working after power off or stop working after power off in a delayed mode when the bag body parameter signal is larger than the bag body parameter threshold value.
2. The shredder for automatically detecting bags according to claim 1, wherein: fixing a plurality of groups of dielectric sheet groups on a side plate of the barrel body (2), wherein two dielectric sheets (6) of the same dielectric sheet group are respectively installed on the left side and the right side of the barrel body (2) and face oppositely, the two dielectric sheets (6) of the same dielectric sheet group are respectively used as two pole pieces of a capacitor and are respectively electrically connected to the dielectric parameter detection unit, the control circuit or the dielectric parameter detection unit respectively loads charges or voltages on each dielectric sheet group and respectively detects the maximum charge capacity or the maximum voltage of each corresponding dielectric sheet (6), and the dielectric parameter detection unit detects corresponding dielectric parameters of each dielectric sheet group; 1-5 groups of dielectric sheet groups are arranged at intervals along the side surface of the barrel body (2) in the height direction, and 1-5 groups of dielectric sheet groups are arranged at intervals along the side surface of the barrel body (2) in the longitudinal direction.
3. The shredder for automatically detecting bags according to claim 1, wherein: the barrel body (2) is only provided with one dielectric sheet set, two dielectric sheets (6) of the dielectric sheet set are respectively fixed on the left side and the right side of the barrel body (2), the upper end and the lower end of each dielectric sheet (6) in the height direction respectively extend to the upper side and the lower side of the barrel body (2) or the upper side and the lower side adjacent to the barrel body (2), and the front end and the rear end of each dielectric sheet (6) in the longitudinal direction respectively extend to the front side and the rear side of the barrel body (2) or the front side and the rear side adjacent to the barrel body (2).
4. The shredder for automatically detecting bags according to claim 1, wherein: the control circuit is provided with a power supply unit which is electrically connected with the control unit;
the control unit generates a detection signal at set time intervals continuously at least in the process of electrifying the automatic bag placing device;
the power supply unit is always and respectively electrically connected with each corresponding dielectric plate group, or the power supply unit is respectively and electrically connected with each corresponding dielectric plate group after receiving the detection signal and is used for respectively and continuously loading or discontinuously loading charges or voltages to each corresponding dielectric plate group;
before the dielectric parameter detection unit detects the dielectric parameters of each corresponding dielectric slab group each time or only in the detection process, the power supply unit is respectively electrically connected with each corresponding dielectric slab group and is disconnected from each corresponding dielectric slab group by delaying the set time;
the dielectric parameter detection unit is always electrically connected with each corresponding dielectric sheet group or at least detects that each corresponding dielectric sheet group is electrically conducted after the dielectric parameter detection unit receives the detection signal;
the dielectric parameter detection unit detects the maximum charge capacity or the maximum voltage of each corresponding dielectric sheet (6) so as to realize detection and obtain the dielectric parameters at least comprising the capacitance dielectric coefficient of each corresponding dielectric sheet group.
5. The shredder for automatically detecting bags according to claim 4, wherein: the control circuit is provided with a storage unit which is electrically connected with the control unit, the storage unit stores a relation conversion table obtained by pre-testing and a bag parameter threshold which correspondingly controls the automatic bag placing device to stop working when power is off, the relation conversion table comprises a plurality of groups of bag parameters and dielectric parameters which are respectively in one-to-one correspondence with the bag parameters, the bag parameters at least comprise a bag parameter value, a bag parameter interval value or a position code which represents the falling height, falling length, arrival interval or bag shape of the paper scrap packaging and collecting bag (13), and the dielectric parameters comprise capacitance medium values or capacitance medium interval values of capacitance medium coefficients of the dielectric sheet groups corresponding to the corresponding bag parameters;
the comparison and conversion unit is used for obtaining corresponding bag body parameters through conversion according to the received dielectric parameters and forming a bag body parameter signal containing the bag body parameters, and the control unit is used for receiving the bag body parameter signal.
6. The shredder for automatically detecting bags according to any one of claims 1 to 5, wherein: the paper shredding machine core is fixedly provided with a motor and a paper shredding transmission mechanism, the paper shredding cutter rod comprises a cutter shaft and a plurality of paper shredding blades which are arranged in series at intervals and fixed on the cutter shaft, two corresponding adjacent paper shredding blades of the two paper shredding cutter rods are in shearing fit, the outer edges of the blades are provided with cutter points, the control circuit is electrically connected with the motor, the motor is in transmission connection with the paper shredding transmission mechanism, and the paper shredding transmission mechanism is in transmission connection with the paper shredding cutter rod;
an air pressure bag laying device is arranged above the automatic bag outlet box (3) or an air pressure bag laying device (5) is arranged at the lower part of the barrel body (2);
the paper shredder is provided with a control key, the control key is electrically connected with the control unit, and the control unit transmits an automatic bag feeding signal or electrically conducts the pneumatic bag laying device (5) to the pneumatic bag laying device (5) after receiving a key signal of the control key, and is used for starting the pneumatic bag laying device (5) and electrifying the pneumatic bag laying device to work;
after the pneumatic bag laying device (5) is electrified to work, the dielectric parameter detection unit continuously detects or detects each dielectric sheet group at intervals;
the air pressure bag laying device (5) comprises a positive pressure bag blowing device and/or a negative pressure bag sucking device.
7. The shredder for automatically detecting bagging according to claim 6, wherein: the negative pressure bag suction device comprises an air exhaust fan and an air exhaust opening (14) formed in a bottom plate or a side plate of the barrel body (2), the air exhaust fan is fixedly arranged at the air exhaust opening (14), the air exhaust fan is provided with an air inlet surface and an air outlet surface, the air inlet surface of the air exhaust fan faces the barrel body (2), the air inlet surface of the air exhaust fan is in sealing fit with the edge of the air exhaust opening (14), and the control unit is electrically connected with the air exhaust fan;
the positive-pressure bag blowing device comprises a blowing fan, the control unit is electrically connected with the blowing fan, the blowing fan is fixed above the automatic bag outlet box (3), the blowing fan is provided with an air inlet surface and an air outlet surface, and the air outlet surface of the blowing fan faces the paper scrap collecting opening (31);
the upper part of the barrel body (2) is provided with an installation position, an automatic bag outlet box (3) which can be replaced and used is clamped at the installation position, and the automatic bag outlet box (3) is in sealing fit with the upper part of the barrel body (2);
a bag outlet (32) is formed in the inner side of the automatic bag outlet box (3), and the bag outlet (32) surrounds the wastepaper collecting opening (31) for a circle;
the dielectric sheet (6) is a metal plate, an iron sheet with an insulating paint layer on the surface or a conductive metal printing layer printed on the side surface of the barrel body (2).
8. The shredder for automatically detecting bagging according to claim 6, wherein: the width of the paper scrap collecting port (31) is not less than the width of the scrap discharging port (11), and the length of the paper scrap collecting port (31) is not less than the length of the scrap discharging port (11);
the automatic bag outlet box (3) comprises a frame with a hollowed middle part to form the paper scrap collecting opening (31), the frame is in a ring body shape or a shape like the Chinese character 'hui',
the upper part of the barrel body (2) is provided with an installation position, the frame is positioned and clamped in the installation position, a sealing gasket is fixed on the installation position or the bottom surface or the side surface of the frame, the frame is provided with a bag storage inner cavity (33), the bag storage inner cavity (33) stores the wastepaper packaging and collecting bag (13) which is continuous along the length direction and is in a barrel shape after being unfolded, the upper part of the bag storage inner cavity (33) is provided with an outlet, and the frame is fixed or clamped with a cover body (34);
a bag body sealing and fusing device is arranged below the automatic bag outlet box (3);
two dielectric sheets (6) of the same dielectric sheet set are respectively fixed on the left side surface and the right side surface of the barrel body (2) and respectively extend from the corresponding side surfaces of the barrel body (2) to the inner bottom surface of the barrel body (2).
9. The shredder for automatically detecting bagging according to claim 6, wherein: the front surface of the barrel body (2) is provided with a door panel (20) which is opened in a rotating way or an outer pulling type inner barrel is movably arranged in the barrel body (2), the front surface of the inner barrel is fixedly provided with the door panel (20), the door panel (20) is in sealing fit with the barrel body (2), and the middle part of the door panel (20) is fixedly provided with a transparent observation window (21).
10. The shredder for automatically detecting bagging according to claim 6, wherein: the shredder head (1) and/or the barrel body (2) are/is provided with a bag falling state indicating device (15) which is electrically connected with the control unit;
the bag falling state indicating device (15) selects a loudspeaker sound alarm, an indicating lamp, an LED indicating lamp group with multi-level indication, an indicating symbol with a graphic display area or a graphic display unit, and is used for indicating the bag falling condition of the paper scrap packaging and collecting bag (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921483188.4U CN210815568U (en) | 2019-09-07 | 2019-09-07 | Paper shredder capable of automatically detecting spread bags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921483188.4U CN210815568U (en) | 2019-09-07 | 2019-09-07 | Paper shredder capable of automatically detecting spread bags |
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| Publication Number | Publication Date |
|---|---|
| CN210815568U true CN210815568U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921483188.4U Expired - Fee Related CN210815568U (en) | 2019-09-07 | 2019-09-07 | Paper shredder capable of automatically detecting spread bags |
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| CN (1) | CN210815568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590501A (en) * | 2022-04-19 | 2022-06-07 | 广东新宝电器股份有限公司 | Automatic bag laying and garbage compressing mechanism and electronic garbage can |
-
2019
- 2019-09-07 CN CN201921483188.4U patent/CN210815568U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590501A (en) * | 2022-04-19 | 2022-06-07 | 广东新宝电器股份有限公司 | Automatic bag laying and garbage compressing mechanism and electronic garbage can |
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