WO2019237529A1 - 热熔装置、智能垃圾桶及热熔温度控制方法 - Google Patents

热熔装置、智能垃圾桶及热熔温度控制方法 Download PDF

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Publication number
WO2019237529A1
WO2019237529A1 PCT/CN2018/104803 CN2018104803W WO2019237529A1 WO 2019237529 A1 WO2019237529 A1 WO 2019237529A1 CN 2018104803 W CN2018104803 W CN 2018104803W WO 2019237529 A1 WO2019237529 A1 WO 2019237529A1
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WIPO (PCT)
Prior art keywords
hot
melt
heating wire
base
end surface
Prior art date
Application number
PCT/CN2018/104803
Other languages
English (en)
French (fr)
Inventor
邱北京
李乐
李建祥
Original Assignee
上海拓牛智能科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201810624090.XA external-priority patent/CN108529083A/zh
Priority claimed from CN201810623552.6A external-priority patent/CN108529082A/zh
Application filed by 上海拓牛智能科技有限公司 filed Critical 上海拓牛智能科技有限公司
Priority to RU2021100015A priority Critical patent/RU2769768C1/ru
Priority to SG11202012543YA priority patent/SG11202012543YA/en
Priority to CA3079240A priority patent/CA3079240C/en
Priority to GB2004132.3A priority patent/GB2580566B/en
Priority to CH01586/20A priority patent/CH716458B1/de
Priority to AU2018427689A priority patent/AU2018427689B2/en
Publication of WO2019237529A1 publication Critical patent/WO2019237529A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/228—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7433—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc the tool being a wire
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    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
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    • B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B2051/105—Heat seal temperature control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/04—Refuse receptacles; Accessories therefor with removable inserts
    • B65F1/06—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/1405—Compressing means incorporated in, or specially adapted for, refuse receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F2210/00—Equipment of refuse receptacles
    • B65F2210/167—Sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F2210/00—Equipment of refuse receptacles
    • B65F2210/168—Sensing means

Definitions

  • the present application relates to the technical field of smart trash cans, and more particularly, to a hot-melt device, a smart trash can and a hot-melt temperature control method.
  • an infrared sensing device is generally provided at the position of the flip cover.
  • the flip cover When the person passes by, the flip cover is opened, and when the person leaves, the flip cover is closed.
  • the steps of opening and closing the flip cover can be omitted, these simple functions are far from satisfying people's demand. Therefore, technicians in related fields have begun to study functions such as smart induction, automatic packing, and automatic bag changing.
  • all known smart trash bins on the market have no full automatic packing function for trash bags, most of which have no related packing device or only some Semi-automatic packing devices, most of which are sealing tape packing methods, but their operability and sealing quality are still far from expectations; at present, the commonly used plastic bag sealing methods are mainly thermoplastic seals, and their structure is long strip packaging.
  • the object of the present invention is to provide a hot-melt device for a smart trash can, a smart trash can and a hot-melt temperature control method, through which the two functions of thermoplastic sealing and heat-melting of the trash bag in the trash can can can be realized at one time.
  • a hot-melt device for a smart trash bin including:
  • a control module communicably connected to the hot-melt circuit for controlling the hot-melt circuit.
  • a first end surface of the base is provided with a release coating.
  • bent portions are provided at both ends of the heating wire, the base has a through hole corresponding to the bent portion, and the bent portion passes through the through hole and communicates with the through a wire harness. Hot-melt circuit connection.
  • the bent portion of the heating wire is connected to the wire harness through a cold-pressed terminal.
  • the second end surface of the base is provided with a wire groove for accommodating the wire harness, and the second end surface is located at a relative position of the first end surface.
  • a second aspect of the present invention provides a hot-melt device for a smart trash bin, including:
  • a heating wire for fusing and heat-sealing the mouth of the garbage bag is connected with the hot-melt circuit
  • a base with heat-resistant insulation characteristics, the first end face of the base is provided with the heating wire;
  • a control module for controlling the hot-melt circuit, the sensor is communicably connected with the control module, the control module is connected with the heating wire, and controls the heating wire according to the induction value of the sensor. temperature.
  • the hot-melt device is further provided with a support plate, the support plate is located between the base and the heating wire, and a plate surface of the support plate is used to support the heating wire.
  • bent portions are provided at both ends of the heating wire, the support plate has a through hole corresponding to the bent portion, and the bent portion passes through the through hole and passes through a wire harness to the The hot-melt circuit connection is described.
  • the bent portion of the heating wire is connected to the wire harness through a cold-pressed terminal.
  • the first end surface of the base is provided with at least one set of limiting blocks
  • the edge of the support plate is provided with at least one set of notches corresponding to the limiting blocks, and the notches are along the support plate.
  • the thickness direction runs through, the distance between the limiting blocks matches the distance between the notches, and the first end surface of the base and the support plate are fixed by adhesive bonding.
  • the second end surface of the base is provided with a wire groove for accommodating the wire harness, and the second end surface is located at a relative position of the first end surface.
  • a smart trash can which includes the hot-melt device described in any one of the above.
  • a fourth aspect of the present invention provides a hot-melt temperature control method for a smart trash bin, based on the smart trash bin described above, including:
  • the output power of the hot-melt circuit is controlled to a second preset power.
  • it further includes:
  • the output power of the hot-melt circuit is controlled to a first preset power.
  • a method for controlling a hot melt temperature of a smart trash can is provided. Based on the smart trash can described above, the method includes:
  • the temperature of the heating wire is controlled to increase.
  • it further includes:
  • the temperature of the heating wire is adjusted according to a control amount.
  • the hot-melt device In the process of automatic packaging of the smart trash bin, the hot-melt device has a base and a heating wire, and the heating wire is fixed on the heat-resistant and insulating base.
  • the hot-melt device can perform two functions of plastic sealing and thermal melting at one time. It can also ensure the good contact between the heating wire and the garbage bag, prevent the adhesion of the garbage bag, improve the sealing quality, and the structure is simple and reliable, thereby solving the existing various garbage bins that do not effectively implement automatic packaging and sealing, and improve the quality of automatic packaging. And reliability, reducing the difficulty and cost of packaging control, simplifying the control of the system, and improving the stability and reliability of the system.
  • the base for supporting the heating wire is all made of ceramic material, and a layer of anti-stick coating is coated on the contact surface between the heating wire and the base. Since the ceramic has the characteristics of high temperature resistance, corrosion resistance, long life and good surface smoothness And because of the presence of the anti-stick coating, when the heating wire is in contact with the garbage bag and is hot-melted, the garbage bag is not easy to adhere to the hot-melt device, ensuring the good performance of the hot-melt device; and the ceramic also has good insulation and heat insulation Characteristics, when the temperature of the heating wire is high, it can not only prevent the base from being damaged by high temperature deformation, but also help prevent equipment leakage.
  • FIG. 1 is an exploded view of a hot-melt device according to a first embodiment of the present invention.
  • FIG. 2 is a front side view of a base of the hot-melt device according to Embodiment 1 of the present invention.
  • FIG. 3 is a rear side view of a base of the hot-melt device according to Embodiment 1 of the present invention.
  • FIG. 4 is a control principle structural diagram of the hot-melt device according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of a smart trash bin according to Embodiment 1 of the present invention.
  • FIG. 6 is a positional structural diagram of a hot-melt device and a garbage bag packing mechanism in Embodiment 1 of the present invention.
  • FIG. 7 is an exploded view of a hot-melt device according to a second embodiment of the present invention.
  • FIG. 8 is a side view of a front shaft of a base of the hot-melt device according to Embodiment 2 of the present invention.
  • Fig. 9 is a rear side view of a base of the hot-melt device according to Embodiment 2 of the present invention.
  • FIG. 10 is a control principle structural diagram of a hot-melt device according to Embodiment 2 of the present invention.
  • the hot-melt device includes:
  • a control module communicably connected to the hot-melt circuit for controlling the hot-melt circuit.
  • the base 41 is used to be fixedly connected to the trash can body, and the first end surface 411 of the base 41 provides a mounting position for the heating wire 44; the temperature of the heating wire 44 reaches the melting point temperature of the garbage bag under the action of the hot-melt circuit.
  • the garbage bag is fused and sealed; moreover, since the base 41 is a heat-resistant and insulating material, when the temperature of the heating wire 44 is high, the base 41 can not only be prevented from being damaged by high temperature deformation, but also be helpful to prevent leakage of equipment.
  • the base 41 is preferably made of ceramic material, and the plate surface of the ceramic can be a relatively smooth porcelain surface, that is, a tight, impervious surface, making it difficult for dust or dirt to adhere to it, and it is convenient to use a solvent. It can be cleaned without affecting the material properties. Not only that, ceramics also have good insulation and heat insulation characteristics.
  • the base 41 can not only prevent damage from high temperature deformation, but also help prevent equipment from leaking electricity. In addition, it can prevent the adhesion of garbage bags, avoid the damage of garbage bags and the accumulation of dirt in the hot-melt device, and improve the quality of automatic packaging and the stability and reliability of smart garbage bin performance.
  • the material of the base 41 is not limited to the use of ceramic materials, and may also be other heat-resistant insulating materials, or other materials subjected to heat-resistant insulation treatment.
  • an anti-adhesive coating is provided on the first end surface 411 of the base 41.
  • both ends of the heating wire 44 are provided with bent portions 442, and the ceramic base 41 is provided with through holes 413 corresponding to the bent portions 442.
  • the through holes 413 may also be in the form of grooves , So that the bent portion 442 can pass through the through hole or slot 413 and be connected to the hot-melt circuit through the wire harness 46.
  • the heating wire 44 has a hot-melt portion 441 and a bent portion 442.
  • the bent portion 442 is used to connect with the hot-melt circuit, and the hot-melt portion 441 is used to contact the garbage bag and fuse and seal the garbage bag.
  • the connection of the heating wire 44 is stable, and the hot-melt portion 441 of the heating wire 44 is all located on the anti-stick coating of the base 41. , Can effectively prevent the adhesion of garbage bags.
  • the bent portion 442 of the heating wire 44 is fixed on the base 41 through a cold-pressed terminal 45, wherein the cold-pressed terminal 45 has an opening through which the line passes and an adjusting member that adjusts the size of the opening.
  • the folded portion 442 extends into the opening, and the opening is reduced by the adjusting member, so that the cold-pressed terminal 45 and the bent portion 442 are fixed to the base 41 together.
  • the cold-pressed terminal 45 has a simple structure, convenient operation, and low price, which is beneficial to saving assembly labor and production costs.
  • control module of the hot-melt device controls the heating power of the heating wire 44 by controlling the hot-melt circuit according to the program setting and the time value output by the timer, thereby controlling the temperature of the heating wire 44 to ensure the heating wire 44
  • the temperature can always fuse the garbage bag. In this way, it is convenient to realize the simple adjustment of the temperature of the heating wire 44, ensure the quality of automatic packing, improve the practicability and reliability of the smart trash can, and further reduce the packing cost and assembly cost.
  • the base 41 has a first end surface 411 and a second end surface 412, and the second end surface 412 is located at a relative position of the first end surface 411, that is, the first end surface 411 and the second end surface 412 are located at opposite sides,
  • the two end surfaces 412 are provided with a wire groove 414.
  • the wire groove 414 is used for accommodating the wire harness 46, and the wire harness 46 is hidden in the wire groove 414, which not only protects the circuit and facilitates the installation of the hot-melt device, but also realizes modularization of components.
  • the control module includes an MCU (Microcontroller Unit). As shown in FIG. 4, the MCU is communicably connected to the high-power MOS, and adjusts the power according to the program setting and the timer time value. The output power of the power MOS further controls the heating wire 44. Among them, it is MOS, which is the abbreviation of MOSFET. MOSFET is a metal-oxide semiconductor field-effect transistor, referred to as Metal-Oxide-Semi-conductor Field-Effect Transistor (MOSFET).
  • MOSFET Metal-Oxide-Semi-conductor Field-Effect Transistor
  • This embodiment also provides a smart trash can, which includes a hot-melt device.
  • the hot-melt device is a hot-melt device as described above.
  • the hot-melt device is not only It can ensure the good contact between the heating wire 44 and the garbage bag, and can prevent the adhesion of the garbage bag, thereby solving the problem that the garbage bag is easily damaged and the fouling of the hot-melt device, which improves the quality of automatic packaging and the stability of the intelligent garbage bin. And reliability.
  • the derivation process of this beneficial effect is substantially similar to the derivation process of the above-mentioned hot-melt device, so it will not be repeated here.
  • the smart trash can may have a movable substrate, and the substrate may slowly approach and offset the heating wire 44.
  • the garbage bag is gradually plasticized together due to the heat-melting effect of the heating wire 44; when the substrate and the heating wire 44 are in contact, the heating wire 44 fuses the plastic-packed garbage bag, and then completes the heat at one time.
  • the hot-melt device can perform two functions of thermoplastic sealing and thermal melting at one time, and its structure is simple and reliable, thereby solving the problem that the existing various trash bins do not effectively achieve automatic packing and sealing.
  • the device improves the quality of automatic packing and the intelligent degree of the performance of the intelligent trash can.
  • the smart garbage bin includes a garbage bag packing mechanism for automatically closing and sealing the opening of the garbage bag full of garbage, which is disposed inside the garbage body 1 and the garbage bin.
  • the top position of the inner wall of the body 1 is provided with a first fixed edge and a second fixed edge.
  • the first fixed edge and the second fixed edge intersect. Further, the first fixed edge and the second fixed edge may be arranged perpendicular to each other.
  • the packing mechanism includes a first pressing rod 2 capable of sliding along the second fixed side to close the opening of the garbage bag to the first fixed side, and a packing mechanism capable of sliding along the first fixed side to close the opening of the garbage bag to the second fixed side.
  • the second pressing rod 3, and the first pressing rod 2 and the second pressing rod 3 can gather the garbage bag to the transfer position of the first fixed side and the second fixed side, and a heat for sealing the garbage bag is arranged near the transfer position.
  • the melting device 4 gathers the openings of the garbage bag together and gathers them at one point. In this way, the opening of the garbage bag is convenient for sealing. When the hot-melt device 4 is used for heat sealing, it is not easy to burn the bag body and refuse. drop.
  • the driving device 9 drives the first pressing rod 2 and the second pressing rod 3 to close the opening of the garbage bag, realizes automation, does not require manual labor, and facilitates people's lives.
  • the sealing is not strong.
  • the material of the closed sealing part is very thin. The problem of easy scalding during hot melting.
  • the intersection position of the first fixed side and the second fixed side is set as an arc-shaped chamfered structure 12, and a base plate 10 is also provided at the same time.
  • the base plate 10 can be provided as a soft material having elasticity, and is disposed on a side corresponding to the hot-melt device 4 on the second pressing rod 3. In this way, the first pressing rod 2 and the second pressing rod 3 can close the opening of the garbage bag. Between the substrate 10 and the hot-melt device 4, a buffer is provided for the garbage bag to be gathered, and at the same time, the gathering is more tight.
  • the substrate 10 is made by combining a flexible material with a teflon tape on the surface, and using the tape to adhere to the side of the second pressing rod 3 is relatively convenient and fast.
  • the trash can body 1 includes a barrel body portion and a large cover portion 8 covering the barrel body portion, a first pressing rod 2, a second pressing rod 3, a first fixing rod 5, a second fixing rod 6,
  • the driving device 9 and the hot-melt device 4 are both disposed inside the large cover portion 8.
  • the first fixing rod 5, the second fixing rod 6, the first pressing rod 2 and the second pressing rod 3 may be respectively disposed in the trash can.
  • the large lid portion 8 of the trash can is fixedly provided with a first fixing rod 5 and a second fixing rod 6 perpendicular to the first fixing rod 5.
  • the sides of the first fixing rod 5 form the first fixing edge.
  • the sides of the two fixing rods 6 form a second fixing edge, the second pressing rod 3 and the first fixing rod 5 are arranged in parallel, the first pressing rod 2 and the second fixing rod 6 are arranged in parallel, and the first pressing rod 2 and the first
  • Guide structure, the first pressing rod 2 and the second pressing rod 3 drive the opening of the garbage bag to the junction position of the first fixed side and the second fixed side under the guidance of the guide structure.
  • the first pressing rod 2 drives the opening of the garbage bag for horizontal folding under the guidance of the guiding structure
  • the second pressing rod 3 drives the opening of the garbage bag for longitudinal folding under the guiding of the guiding structure.
  • the opening can be closed in two directions, and the sealing part can be closed at one point, which is convenient for sealing.
  • the first pressing rod 2 is provided with a guide groove 7 extending along its axial direction, one end of the second pressing rod 3 passes through the guiding groove 7, and one end of the first pressing rod 2 is further provided with a first A first guide hole through which a fixing rod 5 passes, and the first pressing rod 2 can reciprocate in the axial direction of the first fixing rod 5 and the second pressing rod 3; one end of the second pressing rod 3 is also provided for the second The fixing rod 6 passes through the second guide hole, and the second pressing rod 3 can make a reciprocating movement along the axial direction of the second fixing rod 6 and the first pressing rod 2.
  • the end of the guide groove 7 may be closed.
  • the driving device in this embodiment includes a motor, a gear assembly, and a timing belt assembly 11.
  • the motor and the gear assembly are drivingly connected.
  • the motor can drive the gear assembly to rotate.
  • the gear assembly is meshed with the timing belt assembly 11.
  • the first pressure lever 2 and the second The pressing rod 3 is fixed on the timing belt assembly 11. In this way, the timing belt assembly 11 can drive the first pressing rod 2 and the second pressing rod 3 to move to complete the automatic folding function of the garbage bag.
  • This specific embodiment also provides a method for controlling the hot-melt temperature of a smart trash can. Based on the smart trash can described above, the method includes:
  • the output power of the hot-melt circuit is controlled to a second preset power.
  • the method further includes:
  • the output power of the hot-melt circuit is controlled to a first preset power.
  • control module should have a timer or timing program for collecting time values, a comparator for comparing time values with preset program values, a first preset power, a second preset power, and a Set the time range.
  • the temperature of the heating wire 44 is affected by the heating power and heat dissipation, and there is a certain temperature equilibrium point. Therefore, after a large number of experimental verifications, the temperature balance between the heating wire 44 and the heating power and heating time is obtained. Curve, a control rule table is set in the control module, and the heating power of the heating wire 44 is controlled step by step according to the heating power, heating time and other parameters of the heating wire 44. In this way, it can be real-time, efficient, and low-cost.
  • the temperature of the heating wire is controlled in a suitable range, which is beneficial to fuse and seal the garbage bag. Moreover, the temperature sensor is reduced, which is helpful to simplify the structure and save costs.
  • control target value of the heating wire temperature is 320 degrees
  • melting point of the garbage bag is between 200 degrees and 400 degrees
  • the preset temperature is beneficial to the melting and sealing of the garbage bag.
  • FIG. 7 to FIG. 10 a second embodiment of the hot-melt device of the smart trash bin of the present invention.
  • the same components as those in Embodiment 1 are denoted by the same reference numerals.
  • the hot-melt device of this embodiment further includes a sensor and a control module.
  • the sensor is used to sense the temperature of the heating wire 44.
  • the sensor and the control A module is communicably connected, and the control module is connected to the heating wire 44 and controls the temperature of the heating wire 44 according to a sensing value of the sensor.
  • the sensor is preferably a temperature sensor, and can directly contact the heating wire 44 or indirectly contact the heating wire 44 through a heat conducting structure.
  • a support plate 43 is further provided between the base 41 and the heating wire 44, and a plate surface of the support plate 43 is used to support the heating wire 44; as described above, the heating wire 44 is used for melting and plastic sealing In the garbage bag mouth, the heating wire 44 is connected to the hot-melt circuit. Under the action of the hot-melt circuit, the temperature of the heating wire 44 reaches the melting point temperature of the trash bag, and then the trash bag is fused and sealed.
  • the support plate is preferably a porcelain plate 43.
  • the plate surface of the porcelain plate 43 is used to support the heating wire 44 so that the heating wire 44 is located on the side of the plate surface of the porcelain plate 43. Since the porcelain plate 43 has high temperature resistance , Corrosion resistance, long life and good smoothness of the surface. When the heating wire 44 is in contact with the garbage bag and hot-melted, the garbage bag is not easy to stick to the hot-melt device, which ensures the good performance of the hot-melt device.
  • the plate surface of the porcelain plate 43 can be a relatively smooth porcelain surface, that is, a tight, non-permeable surface, which makes it difficult for dust or dirt to adhere to it. It can also be easily cleaned by solvents without Will have any effect on material properties. Not only that, the porcelain plate 43 also has good insulation and heat insulation characteristics. When the temperature of the heating wire 44 is high, the porcelain plate 43 can not only prevent the base from being deformed and damaged by high temperatures, but also help prevent equipment from leaking electricity. In addition, it can prevent the adhesion of garbage bags, avoid the damage of garbage bags and the accumulation of dirt in the hot-melt device, and improve the quality of automatic packaging and the stability and reliability of smart garbage bin performance.
  • both ends of the heating wire 44 are also provided with bent portions 442, and the plate surface of the porcelain plate 43 is provided with through holes 431 corresponding to the bent portions 442. It is easy to understand that the through holes 431 here may also be used.
  • the form of the slot enables the bent portion 442 to pass through the through hole or the slot 431 and is connected to the hot-melt circuit through the wire harness 46. That is, the heating wire 44 has a hot-melt portion 441 and a bent portion 442.
  • the bent portion 442 is used to connect with the hot-melt circuit, the hot-melt portion is used to contact the garbage bag, and the garbage bag is fused and plastic-sealed.
  • the connection of the heating wire 44 is stable, and the hot-melt portion of the heating wire 44 is all located on the plate surface of the porcelain plate 43, which can effectively Prevent sticking of garbage bags.
  • the bent portion 442 of the heating wire 44 is fixed to the base 41 through the cold-pressed terminal 45.
  • a notch 415 may be provided on the base 41, and the notch 415 is used for embedding the cold-pressed terminal 45, and when the cold-pressed terminal 45 is embedded in the notch 415, the inner diameter of the cold-pressed terminal 45 is reduced so that The bent portion 442 is caught inside the cold-pressed terminal 45.
  • the structure of the cold-pressed terminal 45 and the notch 415 can save the occupied space when the heating wire 44 is fixed, which is helpful to improve the smoothness of the structure and reduce burrs to prevent the garbage bag from being scratched.
  • the end surface in contact with the ceramic plate 43 in the base 41 is the first end surface 411 and the second end surface 412 opposite to the first end surface 411 is disposed between the first end surface 411 and the ceramic plate 43.
  • the adhesive 42 is used to make the porcelain plate 43 and the first end surface 411 adhere together. In this way, the connection structure between the porcelain plate 43 and the base 41 is simple, easy to operate, time-saving and labor-saving, and is conducive to improving work efficiency.
  • At least one set of limiting blocks 47 is provided on the first end surface 411 of the base 41.
  • at least one set of notches is provided on the edge of the porcelain plate 43.
  • the position blocks 47 correspond to each set of notches so that the distance between the stop blocks 47 matches the distance between the notches.
  • the notch penetrates the porcelain plate 43 along the thickness direction of the porcelain plate 43.
  • the “thickness direction” is a direction from one plate surface to the other plate surface of the ceramic plate 43.
  • each set of the limiting block 47 and the notch are connected and fixed by a buckle, so that the porcelain plate 43 is more stable on the first end surface 411 of the base 41.
  • two sets of limiting blocks 47 and a notch structure are provided, that is, a four-clip design, thereby ensuring the stability of the porcelain plate 43 fixing.
  • the hot-melt device further includes a control module, and the temperature sensor for sensing the temperature of the heating wire 44 is communicably connected with the control module; the control module has a hot-melt circuit and passes through the wiring harness 46 with the heating wire 44 Connected.
  • the control module controls the temperature of the heating wire 44 according to the induction value of the heating wire 44 sensed by the temperature sensor, so as to ensure that the temperature of the heating wire 44 can always fuse the garbage bag. In this way, the automatic adjustment of the temperature of the heating wire 44 is facilitated, the quality of automatic packaging is ensured, and the practicability and reliability of the smart trash can are improved.
  • a wire groove 414 is also provided on the second end surface 412 of the base 41 for receiving the wire harness 46.
  • the control module includes an MCU (Microcontroller Unit). As shown in FIG. 10, the MCU is communicably connected to the temperature sensor and the high-power MOS, and is adjusted according to the sensing value of the temperature sensor. The output power of the high-power MOS further controls the heating wire 44.
  • MOS is MOS tube, which is an abbreviation of MOSFET.
  • MOSFET is a metal-oxide semiconductor field effect transistor, referred to as Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET).
  • This embodiment also provides a smart trash can, which includes the hot-melt device as described above.
  • the hot-melt device can ensure good contact between the heating wire 44 and the trash bag during the automatic packing process of the smart trash.
  • it can prevent the adhesion of the garbage bags, thereby solving the problems of the garbage bags being easily damaged and the fouling of the hot-melt device, improving the quality of automatic packaging and the stability and reliability of the performance of the intelligent garbage bin.
  • This embodiment also provides a hot-melt temperature control method for a smart trash can. Based on the smart trash can described above, the method includes:
  • the temperature of the heating wire is controlled to increase.
  • two different algorithms are used to calculate the control amount, that is, the adjustment method when adjusting the temperature of the heating wire.
  • the hot-melt temperature control method further includes:
  • the proportional-integral-derivative algorithm is used to calculate the control amount
  • the proportional differential algorithm is used to calculate the control amount
  • the temperature of the heating wire is adjusted according to a control amount.
  • a control rule table is set in the control program, and the heating wire is based on the temperature of the heating wire, the fluctuation trend, the output amplitude and other parameters.
  • the heating power is controlled by the proportional-integral-derivative algorithm or proportional-integral-derivative algorithm. This setting can control the temperature of the heating wire within a suitable range in real time, accurately, and efficiently, which is conducive to the melting and sealing of the garbage bag at one time .
  • the preset value of the heating wire temperature is 320 degrees, and the melting point of the garbage bag ranges between 200 and 400 degrees. This preset temperature is beneficial to complete the melting and sealing of the garbage bag at the same time.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Package Closures (AREA)
  • Refuse Receptacles (AREA)
  • Processing Of Solid Wastes (AREA)
  • Auxiliary Apparatuses For Manual Packaging Operations (AREA)
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Abstract

一种智能垃圾桶的热熔装置、智能垃圾桶以及热熔温度控制方法，包括用于熔断并热封垃圾袋口的发热丝（44），发热丝（44）与热熔电路连接；具有耐热绝缘特性的底座（41），底座（41）的第一端面设置发热丝（44）；控制机构，控制机构可通信地与热熔电路连接，用于控制热熔电路。通过上述设置，使得在智能垃圾桶自动打包的过程中，既能够保证发热丝与垃圾袋良好的接触，防止垃圾袋的粘连，提高封口质量，又能够通过该热熔装置一次性完成热塑封和热熔断两种功能，提升了自动打包的质量和可靠性，降低了打包控制难度和打包成本，简化控制了系统，提高系统的稳定性和可靠性。

Description

热熔装置、智能垃圾桶及热熔温度控制方法 技术领域
本申请涉及智能垃圾桶技术领域，更具体地说，涉及一种热熔装置、智能垃圾桶及热熔温度控制方法。
背景技术
随着科技的进步和人们生活水平的提高，智能家居逐步成为了日常生活中不可缺少的一部分，其中，智能垃圾桶以其干净卫生、使用便捷的特点，成为人们关注的焦点。
现有的智能垃圾桶，一般在翻盖的位置设置红外感应装置，当人经过时开启翻盖，当人离开后关闭翻盖，虽然可以省去开关翻盖的步骤，但是这些简单功能远远不能满足人们的需求。因此，相关领域的技术人员开始研究智能感应、自动打包以及自动换袋等功能，目前，市面上已知的智能垃圾桶均无垃圾袋全自动打包功能，多为无相关打包装置或仅有一些半自动打包装置，其中半自动打包装置多为密封胶带打包方式，但无论其操作性还是封口质量上还远不能达到期望；目前，常用的塑料袋封口方式主要为热塑封，其结构为长条装，在不受空间结构限制的使用环境下，可以很好地对相对较厚的塑料袋进行封口，但如果直接照搬整合进相对空间有限的智能垃圾桶内部，其劣势也很明显，体积大、结构复杂，占用垃圾桶内部有效使用空间，使智能垃圾桶的结构稳定性、功能可靠性以及用户体验性上都会有所降低。
如何解决现有的智能垃圾桶无法简单可靠地实现垃圾袋自动打包，如何提升自动打包的质量和可靠性、降低了打包控制难度和打包成本、简化控制系统以及提高系统稳定性和可靠性的问题，是本领域技术人员所要解决的关键技术问题。
发明内容
本发明的目的在于提供一种智能垃圾桶的热熔装置、智能垃圾桶及热熔温度控制方法，通过该装置能够一次性实现垃圾桶内垃圾袋的热塑封和热熔断两种功能，其能够有效地解决现有的智能垃圾桶无法简单可靠地实现垃圾袋自动打包的问题，进一步提升自动打包的质量和可靠性，降低打包控制难度和打包成本，简化控制系统，提高系统的稳定性和可靠性。
本发明的第一个方面，提供了一种智能垃圾桶的热熔装置，包括有：
用于熔断并热封垃圾袋口的发热丝(44)，所述发热丝(44)与热熔电路连接；
具有耐热绝缘特性的底座(41)，所述底座(41)的第一端面设置所述发热丝(44)。
控制模块，所述控制模块可通信地与所述热熔电路连接，用于控制所述热熔电路。
根据一个优选实施例，所述底座的第一端面设置有防粘涂层。
根据本发明，所述发热丝的两端设置有弯折部，所述底座具有与所述弯折部相对应的通孔，所述弯折部穿过所述通孔后通过线束与所述热熔电路连接。
优选地，所述发热丝的弯折部通过冷压端子与所述线束连接。
根据另一个优选实施例，所述底座的第二端面设置有容纳所述线束的线槽，所述第二端面位于所述第一端面的相对位置。
本发明的第二个方面提供了一种智能垃圾桶的热熔装置，包括有：
用于熔断并热封垃圾袋口的发热丝，所述发热丝与热熔电路连接；
具有耐热绝缘特性的底座，所述底座的第一端面设置所述发热丝；
传感器，所述传感器用于感应所述发热丝的温度；
用于控制所述热熔电路的控制模块，所述传感器与所述控制模块可通信地连接，所述控制模块与所述发热丝连接、并根据所述传感器的感应值控制所述发热丝的温度。
根据一个优选实施例，所述热熔装置还设置有支撑板，所述支撑板位于所述底座与所述发热丝之间，所述支撑板的板面用于支撑所述发热丝。
根据本发明，所述发热丝的两端设置有弯折部，所述支撑板具有与所述弯折部相对应的通孔，所述弯折部穿过所述通孔后通过线束与所述热熔电路连接。
优选的，所述发热丝的弯折部通过冷压端子与所述线束连接。
根据另一个优选实施例，所述底座的第一端面至少设置有一组限位块，所述支撑板的边沿至少设置有一组与所述限位块对应的缺口，所述缺口沿所述支撑板的厚度方向贯穿，所述限位块之间的距离与所述缺口之间的距离相配合，所述底座的第一端面与所述支撑板通过胶贴贴合固定。
优选的，所述底座的第二端面设置有容纳所述线束的线槽，所述第二端面位于所述第一端面的相对位置。
本发明的第三个方面，提供了一种智能垃圾桶，包括有如上任意一项所述的热熔装置。
本发明的第四个方面提供了一种智能垃圾桶的热熔温度控制方法，基于如上所述的智能垃圾桶，包括有：
控制热熔电路输出功率为第一预设功率；
获取所述热熔电路输出功率为第一预设功率的时间；
判断所述时间是否位于预设时间范围内；
若否，则控制热熔电路输出功率为第二预设功率。
优选地，还包括有：
检测垃圾袋口的收拢状态；
若所述垃圾袋口处于被收拢状态，则控制热熔电路输出功率为第一预设功率。
本发明的第五个方面，提供了一种智能垃圾桶的热熔温度控制方法，基于如上所述的智能垃圾桶，包括有：
采集所述发热丝的实际温度值；
将所述实际温度值与预设值比较；
若所述实际温度值大于所述预设值，则控制所述发热丝的温度降低；
若所述实际温度值小于所述预设值，则控制所述发热丝的温度升高。
优选的，还包括有：
计算所述实际温度值与所述预设值的偏差值；
将所述偏差值与预设的偏差范围比较；
若所述偏差值在所述偏差范围内，则采用比例积分微分算法计算控制量；
若所述偏差值在所述偏差范围外，则采用比例微分算法计算控制量；
根据控制量调节所述发热丝的温度。
本发明提供的技术方案可以包括以下有益效果：
在智能垃圾桶自动打包的过程中，该热熔装置具有底座和发热丝，发热丝固定在耐热绝缘的底座上，既能够通过该热熔装置一次性完成热塑封和热熔断两种功能，又能够保证发热丝与垃圾袋良好的接触，防止垃圾袋的粘连，提高封口质量，结构简单可靠，进而解决了现有各式垃圾桶无有效实现自动打包封口的装置，提升了自动打包的质量和可靠性，降低了打包控制难度和打包成本，简化控制了系统，提高系统的稳定性和可靠性。
进一步地，用于支撑发热丝的底座全部采用陶瓷材质，且在发热丝与底座接触面涂有一层防粘涂层，由于陶瓷具有耐高温、耐腐蚀、寿命长以及良好的表面光滑度的特性，且由于防粘涂层的存在，在发热丝与垃圾袋接触并热熔时，垃圾袋不易与热熔装置粘连，保证了热熔装置良好的性能；而且陶瓷还具有良好的绝缘和隔热特性，当发热丝温度较高时，既能够防止底座受高温变形损坏，又有利于防止设备漏电。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本申请。
附图说明
图1是本发明第一个实施例的热熔装置的结构分解图。
图2是本发明实施例1的热熔装置的底座的前轴侧面图。
图3是本发明实施例1的热熔装置的底座的后轴侧面图。
图4是本发明实施例1的热熔装置的控制原理结构图。
图5是本发明实施例1的智能垃圾桶的结构示意图。
图6是本发明实施例1的热熔装置与垃圾袋打包机构中的位置结构图。
图7是本发明第二个实施例的热熔装置的结构分解图。
图8是本发明实施例2的热熔装置的底座的前轴侧面图。
图9是本发明实施例2的热熔装置的底座的后轴侧面图。
图10是本发明实施例2的热熔装置的控制原理结构图。
图中：1-垃圾桶本体，2-第一压杆，3-第二压杆，4-热熔装置，5-第一固定杆，6-第二固定杆，7-导向槽，8-大盖部，9-驱动装置，10-基板，11-同步带组件，12-弧形倒角结构，41-底座，44-发热丝，45-线卡，46-线束，底座第一端面-411，底座第二端面-412，底座通孔-413，线槽-414，凹口-415，发热丝热熔部-441，发热丝弯折部-442，瓷板通孔-431。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置或方法的例子。
以下，参照附图对实施例进行说明。此外，下面所示的实施例不对权利要求所记载的发明内容起任何限定作用。另外，下面实施例所表示的构成的全部内容不限于作为权利要求所记载的发明的解决方案所必需的。
实施例1
参考图1-图4，为本发明的智能垃圾桶的热熔装置的第一个实施例，所述热熔装置包括有：
用于熔断并热封垃圾袋口的发热丝44，所述发热丝44与热熔电路连接；
具有耐热绝缘特性的底座41，所述底座41的第一端面设置所述发热丝44；以及
控制模块，所述控制模块可通信地与所述热熔电路连接，用于控制所述热熔电路。
其中，底座41用于与垃圾桶本体固定连接、底座41的第一端面411为发热丝44提供安装位置；在热熔电路的作用下，发热丝44的温度达到垃圾袋的熔点温度，进而将垃圾袋 熔断、封口；而且，由于底座41为耐热绝缘的材质，当发热丝44温度较高时，底座41既能够防止受高温变形损坏，又有利于防止设备漏电。
本实施例中，底座41优选为陶瓷材质，陶瓷的板面可以为较为光滑的一个瓷面，即为紧密的无渗透表面，使灰尘或污垢不易粘附于其上，还可以通过溶剂很方便地清洗，且不会对材料特性产生任何影响。不仅如此，陶瓷还具有良好的绝缘和隔热特性，当发热丝44温度较高时，底座41既能够防止受高温变形损坏，又有利于防止设备漏电。而且，还能防止垃圾袋的粘连，避免垃圾袋被损坏以及热熔装置污垢堆积，提升了自动打包的质量以及智能垃圾桶性能的稳定性和可靠性。当然，底座41的材质不限于使用陶瓷材料，还可以是其他耐热绝缘材料，或经过耐热绝缘处理的其他材料。
进一步地，在底座41的第一端面411设置有防粘涂层，在发热丝44与垃圾袋接触并热熔时，垃圾袋不易与热熔装置粘连，保证了热熔装置良好的性能。
本实施例中，发热丝44的两端均设置有弯折部442，陶瓷底座41设置有与弯折部442相对应的通孔413，容易理解，这里的通孔413也可以采用槽的形式，使得弯折部442能够穿过通孔或槽413后通过线束46与热熔电路连接。也就是说，发热丝44具有热熔部441和弯折部442，弯折部442用于与热熔电路连接，热熔部441用于与垃圾袋接触、并将垃圾袋熔断和封口，这样，由于发热丝44的弯折部442穿过通孔或槽413与线束46连接，使得发热丝44的连接稳固，而且，发热丝44的热熔部441全部位于底座41的防粘涂层上，能够有效的防止垃圾袋的粘连。
进一步地，发热丝44的弯折部442通过冷压端子45固定在底座41上，其中，冷压端子45具有供线路穿过的开口和调节开口大小的调节件，在使用时，先将弯折部442伸入到开口内，再通过调节件将开口缩小，进而将冷压端子45和弯折部442一并固定在底座41上。如此，冷压端子45的结构简单，操作便捷，价格低廉，有利于节省组装人力和生产成本。
本实施例中，热熔装置的控制模块根据程序设定及计时器输出的时间值，通过控制热熔电路来控制发热丝44的发热功率，进而控制发热丝44温度，能够保证发热丝44的温度始终能够将垃圾袋热熔。这样，有利于实现发热丝44温度的简单调节，保证了自动打包的质量，提升了智能垃圾桶的实用性和可靠性，进一步降低了打包成本和装配成本。
进一步的，底座41具有第一端面411和第二端面412，第二端面412位于第一端面411的相对位置，即第一端面411与第二端面412位于相对的两侧，在底座41的第二端面412设置有线槽414，该线槽414用于容纳线束46，将线束46隐藏在线槽414中，既保护了电路又便于热熔装置的安装，又实现了组件模块化。
在一些优选方案中，控制模块包括有MCU(Microcontroller Unit，微控制单元)，如图 4所示，MCU与大功率MOS可通信地连接，并根据程序设定与计时器时间值，来调节大功率MOS的输出功率，进而实现对发热丝44的控制。其中，是MOS即MOS管，是MOSFET的缩写，MOSFET是金属-氧化物半导体场效应晶体管，简称金氧半场效晶体管(Metal-Oxide-Semi-conductor Field-Effect Transistor,MOSFET)。
本具体实施方式还提供了一种智能垃圾桶，包括有热熔装置，该热熔装置为如上所述的热熔装置，如此设置，在智能垃圾桶自动打包的过程中，该热熔装置既能够保证发热丝44与垃圾袋良好的接触，又能够防止垃圾袋的粘连，进而解决了垃圾袋易被损坏和热熔装置污垢堆积的问题，提升了自动打包的质量以及智能垃圾桶性能的稳定性和可靠性。该有益效果的推导过程与上述热熔装置的推导过程大体类似，故本文不再赘述。
可以理解的是，智能垃圾桶可以具有可移动的基板，并且基板可缓慢与发热丝44接近并相抵。在基板靠近的过程中，垃圾袋受到发热丝44的热熔作用，逐渐塑封到一起；当基板与发热丝44相抵时，发热丝44将塑封聚合在一起的垃圾袋熔断，进而一次性完成热塑封和热熔断两种功能，既简化了热熔结构，又能够节省占用空间。
如此设置，在智能垃圾桶自动打包的过程中，该热熔装置能够一次性完成热塑封和热熔断两种功能，结构简单可靠，进而解决了现有各式垃圾桶无有效实现自动打包封口的装置，提升了自动打包的质量以及智能垃圾桶性能的智能化程度。
在另一些实施例中，参考附图5-图6，智能垃圾桶包括有垃圾袋打包机构，用于将盛满垃圾的垃圾袋的开口自动收拢封口，设置在垃圾桶本体1内部，垃圾桶本体1内壁的顶部位置设有第一固定边和第二固定边，第一固定边和第二固定边相交，进一步，可以设置为第一固定边和第二固定边相互垂直。
打包机构包括能够沿第二固定边滑动、以将垃圾袋开口收拢到第一固定边的第一压杆2，和能够沿第一固定边滑动、以将垃圾袋开口收拢到第二固定边的第二压杆3，且第一压杆2和第二压杆3能够把垃圾袋收拢到第一固定边和第二固定边的交接位置，靠近交接位置处设置有用于给垃圾袋封口的热熔装置4，将垃圾袋的开口收拢到一起，收拢在一个点上，如此设置，垃圾袋开口方便封口，且使用热熔装置4进行热熔封口的时候，不容易把袋体烫坏、垃圾掉出。
进一步地，还包括驱动装置9，驱动装置9驱动第一压杆2和第二压杆3带动垃圾袋开口收拢，实现自动化，不需要使用人工，方便了人们的生活。
如此设置，其能够沿两个方向对垃圾袋的开口收拢，解决了现有的智能垃圾桶自动打包机构只沿一个方向收拢垃圾袋的开口，封口不结实，收拢后的封口部位材质很薄，热熔时容易烫坏的问题。
本实施例的优选方案中，为了使垃圾袋的开口收拢的更加集中、快速，把第一固定边和第二固定边的交接位置设置为弧形倒角结构12，同时还设有基板10，基板10可以设置为具有弹性的软质材料，设置在第二压杆3上与热熔装置4相对应的侧面，如此设置，第一压杆2和第二压杆3能够把垃圾袋开口收拢到基板10和热熔装置4之间，为垃圾袋的收拢提供一个缓冲，同时保证聚拢的更加紧密。
具体地，基板10由具有弹性的软质材料表面贴附铁氟龙胶带结合制成，使用胶带粘到第二压杆3的侧面，比较方便、快速。
本实施例中，垃圾桶本体1包括桶体部和盖在桶体部上的大盖部8，第一压杆2、第二压杆3、第一固定杆5、第二固定杆6、驱动装置9和热熔装置4均设置在大盖部8的内部，优选地，可以第一固定杆5、第二固定杆6、第一压杆2和第二压杆3分别设置在垃圾桶大盖部8的四个侧壁上。
需要说明的是，垃圾桶大盖部8内固设有第一固定杆5和与第一固定杆5垂直的第二固定杆6，第一固定杆5的侧边形成第一固定边，第二固定杆6的侧边形成第二固定边，第二压杆3和第一固定杆5平行设置，第一压杆2和第二固定杆6平行设置，且第一压杆2与第一固定杆5之间、第一压杆2和第二压杆3之间、第二压杆3与第二固定杆6之间、第二压杆3和第一压杆2之间均设置有导向结构，第一压杆2和第二压杆3在导向结构的导向作用下带动垃圾袋的开口收拢到第一固定边和第二固定边的交接位置。
先由第一压杆2在导向结构的导向作用下带动垃圾袋开口进行横向收拢，然后再由第二压杆3在导向结构的导向作用下带动垃圾袋开口进行纵向收拢，如此设置，垃圾袋开口能够沿两个方向收拢，封口部位收拢在一个点上，方便封口。
在其中一种实施例中，第一压杆2设置有沿其轴向延伸的导向槽7，第二压杆3的一端穿过导向槽7，第一压杆2的一端还设有供第一固定杆5穿过的第一导向孔，且第一压杆2能够沿第一固定杆5和第二压杆3的轴向往复运动；第二压杆3的一端还设置有供第二固定杆6穿过的第二导向孔，且第二压杆3能够沿第二固定杆6和第一压杆2的轴向做往复运动.
优选地，为了避免第二压杆3从导向槽7的内部滑出，可以将导向槽7端部封闭。
本实施例中的驱动装置包括电机、齿轮组件和同步带组件11，电机与齿轮组件传动连接，电机能够带动齿轮组件转动，齿轮组件与同步带组件11啮合连接，第一压杆2和第二压杆3固定在同步带组件11上，如此，同步带组件11能够带动第一压杆2和第二压杆3移动以完成垃圾袋的自动收拢功能。
本具体实施方式还提供了一种智能垃圾桶的热熔温度控制方法，基于如上所表述的智能垃圾桶，包括有：
控制热熔电路输出功率为第一预设功率；
获取所述热熔电路输出功率为第一预设功率的时间；
判断所述时间是否位于预设时间范围内；
若否，则控制热熔电路输出功率为第二预设功率。
进一步地，在控制热熔电路输出功率为第一预设功率之前还应该包括有：
检测垃圾袋口的收拢状态；
若所述垃圾袋口处于被收拢状态，则控制热熔电路输出功率为第一预设功率。
为了满足该控制方法，控制模块应该具有用于采集时间值的计时器或计时程序、用于将时间值与预设程序值比较的比较器、第一预设功率、第二预设功率和预设时间范围。
需要说明的是，发热丝44的温度受发热功率和散热情况共同作用，有一定的温度平衡点，因此，在做大量实验验证之后，得出发热丝44温度受发热功率与发热时间的温度平衡曲线，在控制模块内设置一个控制规则表，根据发热丝44的发热功率，发热时间等参数对发热丝44的发热功率进行逐段控制，如此设置，能够实时地、高效地、低成本地将发热丝的温度控制在合适的范围内，有利于对垃圾袋进行熔断和封口。而且，减少了温度传感器，有利于简化结构，节约成本。
其中，在一些优选方案中，发热丝温度的控制目标值为320度，而垃圾袋的熔点范围在200度至400度之间，该预设温度有利于垃圾袋的熔断和封口。
实施例2
参考图7-图10，为本发明的智能垃圾桶的热熔装置的第二个实施例。为了方便理解，本实施例中，与实施例1中相同的部件采用相同的标号。
如图所示，本实施例的热熔装置除了底座41和发热丝44外，还包括有传感器和控制模块，所述传感器用于感应所述发热丝44的温度，所述传感器与所述控制模块可通信地连接，所述控制模块与所述发热丝44连接、并根据所述传感器的感应值控制所述发热丝44的温度。所述传感器优选为温度传感器，可以直接接触发热丝44，或通过导热结构间接接触发热丝44。
在所述底座41与所述发热丝44之间进一步设置有支撑板43，所述支撑板43的板面用于支撑所述发热丝44；如前所述，发热丝44用于熔断并塑封垃圾袋口，发热丝44与热熔电路连接，在热熔电路的作用下，发热丝44的温度达到垃圾袋的熔点温度，进而将垃圾袋熔断、封口。
本实施例中，所述支撑板优选为瓷板43，瓷板43的板面用于支撑发热丝44，以使得发 热丝44位于瓷板43的板面一侧，由于瓷板43具有耐高温、耐腐蚀、寿命长以及良好的便面光滑度的特性，在发热丝44与垃圾袋接触并热熔时，垃圾袋不易与热熔装置粘连，保证了热熔装置良好的性能。
需要说明的是，瓷板43的板面可以为较为光滑的一个瓷面，即为紧密的无渗透表面，使灰尘或污垢不易粘附于其上，还可以通过溶剂很方便地清洗，且不会对材料特性产生任何影响。不仅如此，瓷板43还具有良好的绝缘和隔热特性，当发热丝44温度较高时，瓷板43既能够防止底座受高温变形损坏，又有利于防止设备漏电。而且，还能防止垃圾袋的粘连，避免垃圾袋被损坏以及热熔装置污垢堆积，提升了自动打包的质量以及智能垃圾桶性能的稳定性和可靠性。
本实施例中，发热丝44的两端同样设置有弯折部442，瓷板43的板面设置有与弯折部442相对应的通孔431，容易理解，这里的通孔431也可以采用槽的形式，使得弯折部442能够穿过通孔或槽431后通过线束46与热熔电路连接。也就是说，发热丝44具有热熔部441和弯折部442，弯折部442用于与热熔电路连接，热熔部用于与垃圾袋接触、并将垃圾袋熔断和塑封，这样，由于发热丝44的弯折部442穿过通孔或槽431与底座41固定，使得发热丝44的连接稳固，而且，发热丝44的热熔部全部位于瓷板43的板面，能够有效的防止垃圾袋的粘连。
与实施例1相同，发热丝44的弯折部442通过冷压端子45固定在底座41上。
其中，可以在底座41上设置凹口415，该凹口415用于供冷压端子45嵌入，而且，当冷压端子45嵌入到凹口415内时，冷压端子45的内径缩小、以将弯折部442卡在冷压端子45的内部。如此，冷压端子45和凹口415的结构能够节省发热丝44固定时的占用空间，有利于提升结构的光滑性，减少毛刺以防止划伤垃圾袋。
在一些实施例中，底座41中与瓷板43接触的端面为第一端面411，与第一端面411相对的为第二端面412，其中，在第一端面411与瓷板43之间设置有胶贴42，以使得瓷板43与第一端面411粘连在一起，这样，瓷板43与底座41的连接结构简单，易于操作，省时省力，有利于提升工作效率。
为了提升瓷板43与底座41连接的稳定性，在底座41的第一端面411至少设置有一组限位块47，相对应地，在瓷板43的边沿设置有至少一组缺口，每组限位块47与每组缺口均一一对应，以使得限位块47之间的距离与缺口之间的距离相配合，其中，缺口沿瓷板43的厚度方向将瓷板43贯穿，这里的“厚度方向”为瓷板43其中一个板面到另一板面的方向。这样，瓷板43与底座41固定时，每组限位块47和缺口的结构均通过卡扣形式连接固定，进而使瓷板43于底座41的第一端面411上更加平稳。优选地，设置有两组限位块47和缺 口的结构，即四卡扣设计，进而保证了瓷板43固定的稳定性。
进一步地，本热熔装置还包括有控制模块，所述用于感应发热丝44温度的温度传感器与所述控制模块可通信地连接；控制模块具有热熔电路、并与发热丝44通过线束46连接，在热熔过程中，控制模块根据温度传感器所感应的发热丝44的感应值，来控制发热丝44的温度，进而能够保证发热丝44的温度始终能够将垃圾袋热熔。这样，有利于实现发热丝44温度的自动调节，保证了自动打包的质量，提升了智能垃圾桶的实用性和可靠性。
在底座41的第二端面412上同样设置有线槽414，以用于容纳线束46。
在一些优选方案中，控制模块包括有MCU(Microcontroller Unit，微控制单元)，如图10所示，MCU分别与温度传感器和大功率MOS可通信地连接，并根据温度传感器的感应值，来调节大功率MOS的输出功率，进而实现对发热丝44的控制。其中，是MOS即MOS管，是MOSFET的缩写，MOSFET是金属-氧化物半导体场效应晶体管，简称金氧半场效晶体管(Metal-Oxide-Semiconductor Field-Effect Transistor,MOSFET)。
本实施例还提供了一种智能垃圾桶，包括如上所述的热熔装置，如此设置，在智能垃圾桶自动打包的过程中，该热熔装置既能够保证发热丝44与垃圾袋良好的接触，又能够防止垃圾袋的粘连，进而解决了垃圾袋易被损坏和热熔装置污垢堆积的问题，提升了自动打包的质量以及智能垃圾桶性能的稳定性和可靠性。
本实施例还提供了一种智能垃圾桶的热熔温度控制方法，基于如上所述的智能垃圾桶，包括有：
采集发热丝的实际温度值；
将实际温度值与预设值比较；
若实际温度值大于预设值，则控制发热丝的温度降低；
若实际温度值小于预设值，则控制发热丝的温度升高。
在一些实施例中，根据发热丝的温度实际值与预设值的差值大小，采用两种不同的算法来计算控制量，即调节发热丝温度时的调节方法。
优选的，该热熔温度控制方法还包括有：
计算实际温度值与预设值的偏差值；
将偏差值与预设的偏差范围比较；
若偏差值在偏差范围内，则采用比例积分微分算法计算控制量；
若偏差值在偏差范围外，则采用比例微分算法计算控制量；
根据控制量调节所述发热丝的温度。
需要说明的是，发热丝的温度的采集与控制均有很大的滞后性，因此，在控制程序内设 置一个控制规则表，根据发热丝的温度，波动趋势、输出幅度等等参数对发热丝的发热功率进行比例积分微分算法或比例积分微分算法控制，如此设置，能够实时地、准确地、高效地将发热丝的温度控制在合适的范围内，有利于一次性完成对垃圾袋熔断和封口。
其中，在一些优选方案中，发热丝温度的预设值为320度，而垃圾袋的熔点范围在200度至400度之间，该预设温度有利于同时完成垃圾袋的熔断和封口。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (16)

  1. 一种智能垃圾桶的热熔装置，其特征在于，包括有：
    用于熔断并热封垃圾袋口的发热丝(44)，所述发热丝(44)与热熔电路连接；
    具有耐热绝缘特性的底座(41)，所述底座(41)的第一端面设置所述发热丝(44)；
    控制机构，所述控制机构可通信地与所述热熔电路连接，用于控制所述热熔电路。
  2. 如权利要求1所述的热熔装置，其特征在于，所述底座(41)的第一端面设置有防粘涂层。
  3. 如权利要求1所述的热熔装置，其特征在于，所述发热丝(44)的两端设置有弯折部，所述底座(41)具有与所述弯折部相对应的通孔或槽，所述弯折部穿过所述通孔或槽后通过线束(46)与所述热熔电路连接。
  4. 如权利要求3所述的热熔装置，其特征在于，所述发热丝(44)的弯折部通过冷压端子(45)与所述线束(46)连接。
  5. 如权利要求3所述的热熔装置，其特征在于，所述底座(41)的第二端面设置有容纳所述线束(46)的线槽，所述第二端面位于所述第一端面的相对位置。
  6. 一种智能垃圾桶的热熔装置，其特征在于，包括：
    用于熔断并热封垃圾袋口的发热丝(44)，所述发热丝(44)与热熔电路连接；
    具有耐热绝缘特性的底座(41)，所述底座(41)的第一端面设置所述发热丝(44)；
    传感器，所述传感器用于感应所述发热丝(44)的温度；
    用于控制所述热熔电路的控制机构，所述传感器与所述控制机构可通信地连接，所述控制机构与所述发热丝(44)连接、并根据所述传感器的感应值控制所述发热丝(44)的温度。
  7. 如权利要求6所述的热熔装置，其特征在于，还设置有支撑板(43)，所述支撑板(43)位于所述底座(41)与所述发热丝(44)之间，所述支撑板(43)的板面用于支撑所述发热丝(44)。
  8. 如权利要求7所述的热熔装置，其特征在于，所述发热丝(44)的两端设置有弯折部，所述支撑板(43)具有与所述弯折部相对应的通孔或槽，所述弯折部穿过所述通孔或槽后通过线束(46)与所述热熔电路连接。
  9. 如权利要求8所述的热熔装置，其特征在于，所述发热丝(44)的弯折部通过冷压端子(45)与所述线束(46)连接。
  10. 如权利要求7所述的热熔装置，其特征在于，所述底座(41)的第一端面至少设置 有一组限位块(47)，所述支撑板(43)的边沿至少设置有一组与所述限位块(47)对应的缺口，所述缺口沿所述支撑板(43)的厚度方向贯穿，所述限位块(47)之间的距离与所述缺口之间的距离相配合，所述底座(41)的第一端面与所述支撑板(43)通过胶贴(42)贴合固定。
  11. 如权利要求8所述的热熔装置，其特征在于，所述底座(41)的第二端面设置有容纳所述线束(46)的线槽，所述第二端面位于所述第一端面的相对位置。
  12. 一种智能垃圾桶，其特征在于，包括有如权利要求1-11任意一项所述的热熔装置。
  13. 一种智能垃圾桶的热熔温度控制方法，所述的智能垃圾桶安装有权利要求1-5任一项所述的热熔装置，其特征在于，所述热熔温度控制方法包括有：
    控制热熔电路输出功率为第一预设功率；
    获取所述热熔电路输出功率为第一预设功率的时间；
    判断所述时间是否位于预设时间范围内；
    若否，则控制热熔电路输出功率为第二预设功率。
  14. 如权利要求13所述的热熔装置控制方法，其特征在于，还包括有：
    检测垃圾袋口的收拢状态；
    若所述垃圾袋口处于被收拢状态，则控制热熔电路输出功率为第一预设功率。
  15. 一种智能垃圾桶的热熔温度控制方法，所述的智能垃圾桶安装有权利要求6-11任一项所述的热熔装置，其特征在于，所述热熔温度控制方法包括有：
    采集所述发热丝(44)的实际温度值；
    将所述实际温度值与预设值比较；
    若所述实际温度值大于所述预设值，则控制所述发热丝(44)的温度降低；
    若所述实际温度值小于所述预设值，则控制所述发热丝(44)的温度升高。
  16. 如权利要求15所述的热熔装置控制方法，其特征在于，还包括有：
    计算所述实际温度值与所述预设值的偏差值；
    将所述偏差值与预设的偏差范围比较；
    若所述偏差值在所述偏差范围内，则采用比例积分微分算法计算控制量；
    若所述偏差值在所述偏差范围外，则采用比例微分算法计算控制量；
    根据控制量调节所述发热丝(44)的温度。
PCT/CN2018/104803 2018-06-16 2018-09-10 热熔装置、智能垃圾桶及热熔温度控制方法 WO2019237529A1 (zh)

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