CN110335736B - Printing heating temperature control packaging device based on magnetic resonance wireless power supply technology and design method - Google Patents
Printing heating temperature control packaging device based on magnetic resonance wireless power supply technology and design method Download PDFInfo
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- CN110335736B CN110335736B CN201910290259.7A CN201910290259A CN110335736B CN 110335736 B CN110335736 B CN 110335736B CN 201910290259 A CN201910290259 A CN 201910290259A CN 110335736 B CN110335736 B CN 110335736B
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- 238000007639 printing Methods 0.000 title claims abstract description 72
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 title claims abstract description 51
- 238000005516 engineering process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000013461 design Methods 0.000 title claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims abstract description 45
- 239000002985 plastic film Substances 0.000 claims abstract description 35
- 229920006255 plastic film Polymers 0.000 claims abstract description 35
- 238000012856 packing Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 230000008719 thickening Effects 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/003—Printed circuit coils
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
- H05K1/092—Dispersed materials, e.g. conductive pastes or inks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/162—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed capacitors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Packages (AREA)
Abstract
本发明公开了一种基于磁共振无线供电技术的印刷发热控温包装装置及设计方法，该装置包括设置在包装箱体内部的印刷线圈、印刷电路、印刷电容和印刷发热模块；印刷线圈、印刷电容、印刷发热模块之间通过印刷电路相互连接，印刷线圈和印刷电容相互并联共同组成磁共振无线供电的接收端，包装箱体外部设置有磁共振无线供电的发射端，接收端通过接收发射端的电能，将电能传输给印刷发热模块，实现包装箱体发热控温的功能；其中：印刷线圈、印刷电路、印刷电容均以导电油墨印刷在一张PET塑料膜上，PET塑料膜附在包装箱体内部。本发明能够让包装实现电加热控温，同时不影响其容积及重量。
The invention discloses a printing heating temperature control packaging device and a design method based on magnetic resonance wireless power supply technology. The device comprises a printing coil, a printing circuit, a printing capacitor and a printing heating module arranged inside a packaging box; The capacitor and the printed heating module are connected to each other through a printed circuit, and the printed coil and the printed capacitor are connected in parallel to form the receiving end of the magnetic resonance wireless power supply. The electric energy is transmitted to the printing heating module to realize the function of heating and temperature control of the packaging box; among which: the printing coil, the printing circuit and the printing capacitor are all printed on a piece of PET plastic film with conductive ink, and the PET plastic film is attached to the packaging box. inside the body. The present invention enables the package to realize electric heating and temperature control without affecting its volume and weight.
Description
Technical Field
The invention relates to the technical field of wireless power supply printing heating packaging, in particular to a printing heating temperature control packaging device based on a magnetic resonance wireless power supply technology and a design method.
Background
Magnetic resonance wireless charging technology, consisting of an energy transmitting device and an energy receiving device, which can exchange energy with each other when both devices are tuned to the same frequency, or resonate at a specific frequency.
The carbon-based water-based conductive ink can conduct electricity through graphite particles in the ink, and the conductivity of the ink is close to that of copper, so that a flexible printed circuit can be realized. The VIP panel, which is a panel with a vacuum layer, is widely used in various environments requiring insulation, such as an insulation layer on the outside of a building. Polyurethane is one of the most low thermal conductivity coefficients of the existing common heat-insulating materials, but the price is more expensive than that of the common foamed plastic.
If the existing wireless power supply circuit or heating circuit is adopted to add an electric heating temperature control function to the transport package, or a battery is arranged in the package, the cost is increased, potential safety hazards are brought to the transport, and meanwhile, the on-off of the circuit is difficult to operate from the outside; and the wire rod of external power supply will cause a great deal of inconvenience for transport and transportation, set up heating resistor in the packing moreover and can extrude packing inner space.
Disclosure of Invention
The invention aims to solve the technical problem of providing a printing heating temperature control packaging device based on a magnetic resonance wireless power supply technology and a design method aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a printing heating temperature control packaging device based on a magnetic resonance wireless power supply technology, which comprises a printing coil, a printing circuit, a printing capacitor and a printing heating module, wherein the printing coil, the printing circuit, the printing capacitor and the printing heating module are arranged in a packaging box body; the printed coil, the printed capacitor and the printed heating module are mutually connected through a printed circuit, the printed coil and the printed capacitor are mutually connected in parallel to jointly form a receiving end of magnetic resonance wireless power supply, a transmitting end of the magnetic resonance wireless power supply is arranged outside the packaging box body, and the receiving end transmits the electric energy to the printed heating module by receiving the electric energy of the transmitting end, so that the function of heating and temperature control of the packaging box body is realized; wherein: the printed coil, the printed circuit and the printed capacitor are printed on a piece of PET plastic film by conductive ink, and the PET plastic film is attached inside the packaging box body.
Further, the printing heating module of the invention is a serpentine path printed by conductive ink.
Furthermore, the packing box body of the invention adopts a heat insulation box formed by splicing VIP plates which take polyurethane as base materials.
Furthermore, the printed capacitor comprises a front electrode plate and a back electrode plate which are respectively arranged on two sides of the PET plastic mould; a plurality of holes are formed in the PET plastic film; the printed coil, the front electrode plate of the printed capacitor and the printed heating module are connected through a printed circuit and are all arranged on the same side of the PET plastic film; the back side polar plate of the printed capacitor is arranged on the other side of the PET plastic film, the front side polar plate and the back side polar plate are connected with each other through a printed circuit penetrating through the hole, and the hole is filled with conductive ink.
Furthermore, the printed coil is a planar rectangular coil wound with a plurality of turns, and two ends of the printed coil are respectively positioned at the outer side of the printed coil and the central position of the printed coil; the outer side end of the printed coil is connected with the positive electrode plate of the printed capacitor; the number of the holes is three, and the three holes comprise a first hole, a second hole and a third hole; the connecting line of the central end of the printed coil passes through the first hole, and one end of the printed circuit passes through the second hole, so that the central end of the printed coil and the printed circuit realize jumper connection on the surface of the reverse side polar plate; the second hole and the third hole are connected through a printed circuit, and the printed circuit penetrates through the third hole, so that the reverse side pole plate and the printed circuit are connected with each other; the parallel connection of the printed capacitor and the printed coil with two poles respectively arranged on the two surfaces is realized.
Further, the conductive ink of the present invention is a carbon-based aqueous conductive ink.
Further, the fixing arrangement mode of the PET plastic film in the packaging box body comprises the following steps: the packaging box body is arranged on one surface of the packaging box body or a plurality of surfaces of the packaging box body; if the packaging box is arranged on a plurality of surfaces of the packaging box body, the printed circuits on the PET plastic films at the folding positions of two adjacent surfaces are provided with ink layer thickening positions through thickening treatment.
Further, the printed coil, the printed capacitor, the printed circuit and the printed heat generating module of the present invention are formed by one-time printing process.
The invention provides a design method of a printing heating temperature control packaging device based on a magnetic resonance wireless power supply technology, which comprises the following steps:
inductance
Wherein a ═ a0-N(g+ω)，b＝b0-N(g+ω),
a0The dimension of the outline of the long side of the rectangular printed coil is the dimension; b0The outline size of the short side of the rectangular printed coil is obtained; a is the average length of the rectangular printed coil; b is the average width of the rectangular printed coil; omega is the width of the wire; g is the line spacing; t is the cross-sectional height; n is the number of turns of the coil; mu.s0For vacuum permeability, values of 4 π 10-10(ii) a The value of p depends on the actual coil processing technology and is between 1.75 and 1.85; the inductance unit obtained is Henry;
capacitance C ═ ε rS/4 π kd
Wherein, epsilonr is the dielectric constant of the plastic film, d is the thickness of the plastic film, S is the area of the printed capacitor, and k is the electrostatic force constant;
and 6, drawing by using plane software according to the calculated parameters, and carrying out plate making, printing and film covering.
The invention has the following beneficial effects: the printing heating temperature control packaging device based on the magnetic resonance wireless power supply technology and the design method can add an electric heating function to the transportation package, can protect commodities such as liquid cosmetics, flowers and the like in a box from being damaged by low temperature during transportation in northern alpine regions in winter, and simultaneously avoid potential safety hazards of built-in batteries and inconvenience caused by external power supply wires; compare coil and the circuit that the copper line is constituteed, electrically conductive ink printed circuit is almost totally flat, does not occupy the inside any space of packing box, and weight is very light simultaneously, thereby can not increase too much weight for whole package because wireless power supply module and printing generate heat the module and hinder the transportation, in addition, electrically conductive ink printed circuit's cost is very cheap, can not let the packing increase too much cost when bringing the function for the packing.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic representation of the front side print of a printed plastic film of an embodiment of the present invention;
FIG. 2 is a schematic reverse side print of a printed plastic film according to an embodiment of the present invention;
FIG. 3 is a schematic representation of the relative positions of a printed plastic film and a package according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a printing method according to an embodiment of the present invention;
FIG. 5 is a schematic circuit diagram of an embodiment of the present invention;
in the figure: 1-printing a coil, 2-printing a positive plate, 3-printing a heating module, 4-holes, 5-thickening a ink layer, 6-printing a negative plate, 7-packaging a box body and 8-printing a PET plastic film.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, the printing heating temperature-control packaging device based on the magnetic resonance wireless power supply technology according to the embodiment of the present invention includes a printing coil 1, a printing circuit, a printing capacitor, and a printing heating module 3, which are disposed inside a packaging box 7; the printed coil 1, the printed capacitor and the printed heating module 3 are mutually connected through a printed circuit, the printed coil 1 and the printed capacitor are mutually connected in parallel to jointly form a receiving end of magnetic resonance wireless power supply, a transmitting end of the magnetic resonance wireless power supply is arranged outside the packaging box body 7, the receiving end transmits the electric energy to the printed heating module 3 by receiving the electric energy of the transmitting end, and the function of heating and temperature control of the packaging box body 7 is realized; wherein: the printed coil 1, the printed circuit and the printed capacitor are all printed on a piece of PET plastic film 8 by conductive ink, and the PET plastic film 8 is attached inside the packaging box body 7.
The printing heat generating module 3 is a serpentine path printed by conductive ink.
The packaging box body 7 is a thermal insulation box formed by splicing VIP plates with polyurethane as base materials.
The printed capacitor comprises a front electrode plate 2 and a back electrode plate 6 which are respectively arranged on two sides of a PET plastic mould 8; a plurality of holes 4 are formed in the PET plastic film 8; the printed coil 1, the front electrode plate 2 of the printed capacitor and the printed heating module 3 are connected through a printed circuit and are all arranged on the same side of the PET plastic film 8; the back plate 6 of the printed capacitor is arranged on the other side of the PET plastic film 8, the front plate 2 and the back plate 6 are connected with each other through a printed circuit penetrating through the hole 4, and the hole 4 is filled with conductive ink.
Because conventional electric capacity is too big, be not suitable for on the printed packaging, so need adopt printed capacitance, but the electric capacity of condenser needs the capacitance value big enough, needs great area, and designs on same side, and the area is big enough. Therefore, the invention adopts the mode of arranging the capacitors on the front and back surfaces, and can meet the requirement on the capacitance value on the premise of ensuring small volume.
The printed coil 1 is a planar rectangular coil wound with a plurality of circles, and two ends of the printed coil are respectively positioned at the outer side of the printed coil and the central position of the printed coil; the outer side end of the printed coil is connected with the front electrode plate 2 of the printed capacitor; the number of the holes 4 is three, and the holes comprise a first hole, a second hole and a third hole; the connecting line of the central end of the printed coil passes through the first hole, and one end of the printed circuit passes through the second hole, so that the central end of the printed coil and the printed circuit realize jumper connection on the surface of the reverse side polar plate 6; the second hole and the third hole are connected through a printed circuit, and the printed circuit penetrates through the third hole, so that the back side polar plate 6 and the printed circuit are connected with each other; the parallel connection of the printed capacitor and the printed coil 1 with two poles respectively arranged on two surfaces is realized.
The conductive ink is carbon-based water-based conductive ink.
The fixed mode of setting of PET plastic film 8 inside packing carton 7 includes: arranged on one face of the packing box body 7 or on a plurality of faces of the packing box body 7; when the printed circuit board is provided on a plurality of surfaces of the packaging box body 7, the printed circuit boards on the PET plastic films 7 at the folding positions of the two adjacent surfaces are provided with the ink layer thickened parts 5 through thickening treatment.
The printed coil 1, the printed capacitor, the printed circuit, and the printed heat generating module 3 are formed by one-time printing.
In the embodiment of the invention, the printed plastic films are attached to two adjacent surfaces in the packing box, and the heating module is printed in a snake-shaped passage way by simulating the wiring way of an electric blanket and is attached to the bottom surface of the packing box.
The design method of the printing heating temperature control packaging device based on the magnetic resonance wireless power supply technology comprises the following steps:
inductance
Wherein a ═ a0-N(g+ω)，b＝b0-N(g+ω),
a0The dimension of the outline of the long side of the rectangular printed coil is the dimension; b0The outline size of the short side of the rectangular printed coil is obtained; a is the average length of the rectangular printed coil; b is the average width of the rectangular printed coil; omega is the width of the wire; g is the line spacing; t is the cross-sectional height; n is the number of turns of the coil; mu.s0For vacuum permeability, values of 4 π 10-10(ii) a The value of p depends on the actual coil processing technology and is between 1.75 and 1.85; the inductance unit obtained is Henry;
capacitance C ═ ε rS/4 π kd
Wherein, epsilonr is the dielectric constant of the plastic film, d is the thickness of the plastic film, S is the area of the printed capacitor, and k is the electrostatic force constant;
and 6, drawing by using plane software according to the calculated parameters, and carrying out plate making, printing and film covering.
Through carrying on wireless power supply emitter on the transport means, can whether externally control need give the inside heat supply of case to make the incasement temperature maintain in relatively stable scope, protect inside commodity not destroyed by low temperature.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. A printing heating temperature control packaging device based on a magnetic resonance wireless power supply technology is characterized by comprising a printing coil (1), a printing circuit, a printing capacitor and a printing heating module (3) which are arranged in a packaging box body (7); the printed coil (1), the printed capacitor and the printed heating module (3) are connected with each other through a printed circuit, the printed coil (1) and the printed capacitor are connected in parallel to form a receiving end of magnetic resonance wireless power supply, a transmitting end of the magnetic resonance wireless power supply is arranged outside the packaging box body (7), the receiving end receives electric energy of the transmitting end and transmits the electric energy to the printed heating module (3), and the function of heating and temperature control of the packaging box body (7) is achieved; wherein: the printed coil (1), the printed circuit and the printed capacitor are printed on a PET plastic film (8) by conductive ink, and the PET plastic film (8) is attached inside the packaging box body (7);
the printed capacitor comprises a front electrode plate (2) and a back electrode plate (6) which are respectively arranged on two sides of a PET plastic film (8); a plurality of holes (4) are formed in the PET plastic film (8); the printed coil (1), the front electrode plate (2) of the printed capacitor and the printed heating module (3) are connected through a printed circuit and are all arranged on the same side of the PET plastic film (8); a back side polar plate (6) of the printed capacitor is arranged on the other side of the PET plastic film (8), the front side polar plate (2) and the back side polar plate (6) are connected with each other through a printed circuit penetrating through the hole (4), and the hole (4) is filled with conductive ink;
the printing coil (1) is a plane rectangular coil wound with a plurality of circles, and two ends of the printing coil are respectively positioned at the outer side of the printing coil and the central position of the printing coil; the outer side end of the printed coil is connected with a front electrode plate (2) of the printed capacitor; three holes (4) are arranged, and comprise a first hole, a second hole and a third hole; the connecting line of the central end of the printed coil passes through the first hole, and one end of the printed circuit passes through the second hole, so that the central end of the printed coil and the printed circuit realize jumper connection on the surface of the reverse side polar plate (6); the second hole and the third hole are connected through a printed circuit, and the printed circuit penetrates through the third hole, so that the back side polar plate (6) is connected with the printed circuit; the parallel connection of the printed capacitor and the printed coil (1) with two poles respectively arranged on the two surfaces is realized.
2. The printing heating temperature-control packaging device based on the magnetic resonance wireless power supply technology is characterized in that the printing heating module (3) is a serpentine path printed by conductive ink.
3. The printing heating temperature-control packaging device based on the magnetic resonance wireless power supply technology is characterized in that the packaging box body (7) adopts a thermal insulation box formed by splicing VIP plates with polyurethane as base materials.
4. The printing heating temperature-control packaging device based on the magnetic resonance wireless power supply technology is characterized in that the conductive ink is carbon-based water-based conductive ink.
5. The printing heating temperature-control packaging device based on the magnetic resonance wireless power supply technology as claimed in claim 1, wherein the fixed arrangement mode of the PET plastic film (8) inside the packaging box body (7) comprises: is arranged on one surface of the packing box body (7) or on a plurality of surfaces of the packing box body (7); when the printed circuit board is arranged on a plurality of surfaces of the packaging box body (7), the printed circuit on the PET plastic film (8) at the folding positions of two adjacent surfaces is provided with an ink layer thickening part (5) through thickening treatment.
6. The printing heating temperature-control packaging device based on the magnetic resonance wireless power supply technology is characterized in that the printing coil (1), the printing capacitor, the printing circuit and the printing heating module (3) are processed by one-time printing.
7. A design method of a printing heating temperature-control packaging device based on a magnetic resonance wireless power supply technology, which is characterized by comprising the following steps:
step 1, determining an inductance value L of a printed coil and a capacitance value C of a printed capacitor according to the working frequency of magnetic resonance wireless power supply;
step 2, determining the outer diameter of the printed coil according to the size of the packaging box body;
step 3, calculating the number of turns, the line width and the line spacing of the printed coil, and determining the shape and the size of the printed capacitor; the calculation formula is as follows:
inductance L =
Np
Wherein, a = a0-N(g+ω)，b=b0-N(g+ω),d=
；
a0The dimension of the outline of the long side of the rectangular printed coil is the dimension; b0The outline size of the short side of the rectangular printed coil is obtained; a is the average length of the rectangular printed coil; b is the average width of the rectangular printed coil; omega is the width of the wire; g is the line spacing; t is the cross-sectional height; n is the number of turns of the coil; the value of p depends on the actual coil processing technology and is between 1.75 and 1.85; the inductance unit obtained is Henry;
capacitance C = ε rS/4 π kd
Wherein, epsilonr is the dielectric constant of the plastic film, d is the thickness of the plastic film, S is the area of the printed capacitor, and k is the electrostatic force constant;
step 4, determining the shape and size of the printed circuit according to the size of the packaging box body;
step 5, calculating the total length of the printing heating module according to the size of the printing heating module and the required resistance, and setting the shape of a snake-shaped passage;
and 6, drawing by using plane software according to the calculated parameters, and carrying out plate making, printing and film covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290259.7A CN110335736B (en) | 2019-04-11 | 2019-04-11 | Printing heating temperature control packaging device based on magnetic resonance wireless power supply technology and design method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910290259.7A CN110335736B (en) | 2019-04-11 | 2019-04-11 | Printing heating temperature control packaging device based on magnetic resonance wireless power supply technology and design method |
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| Publication Number | Publication Date |
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| CN110335736A CN110335736A (en) | 2019-10-15 |
| CN110335736B true CN110335736B (en) | 2021-05-18 |
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| CN103965697A (en) * | 2014-05-23 | 2014-08-06 | 武汉大学 | Corrosion-resistant carbon conductive ink and application thereof in manufacturing RFID (radio frequency identification) antenna |
| US9320337B2 (en) * | 2014-06-19 | 2016-04-26 | Elc Management, Llc | Heated cosmetic sampler with incorporated applicator |
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| CN206323221U (en) * | 2016-12-23 | 2017-07-11 | 深圳英伦科技股份有限公司 | Wireless charging capacitance type minitype power supply, electronic shelf label and miniature electronic devices |
| WO2019036304A1 (en) * | 2017-08-18 | 2019-02-21 | Thin Film Electronics Asa | Spray coated sense lines, security and/or identification tags and devices including the same, and methods of manufacturing |
| CN107546035A (en) * | 2017-09-11 | 2018-01-05 | 北京三雄科技公司 | High-precision Vacuum printing capacitor and its application |
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| EP3194279A1 (en) * | 2014-09-15 | 2017-07-26 | Scan Coin Ab | Distribution of coins in bags |
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| CN110335736A (en) | 2019-10-15 |
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