CN105433466B - knee pad - Google Patents
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- CN105433466B CN105433466B CN201510290919.3A CN201510290919A CN105433466B CN 105433466 B CN105433466 B CN 105433466B CN 201510290919 A CN201510290919 A CN 201510290919A CN 105433466 B CN105433466 B CN 105433466B
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- 210000003127 knee Anatomy 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 126
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 13
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
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- LLYXJBROWQDVMI-UHFFFAOYSA-N 2-chloro-4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1Cl LLYXJBROWQDVMI-UHFFFAOYSA-N 0.000 description 2
- -1 ITO Chemical compound 0.000 description 2
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Abstract
The invention relates to a kneepad. A kneepad comprising a kneepad body and a heating film provided on the kneepad body, the heating film comprising: comprises a first insulating layer; the conducting layer is formed on the surface of the first insulating layer; the electrode layer is formed on the surface of the conducting layer and is electrically connected with the conducting layer, the electrode layer comprises a positive electrode and a negative electrode, the positive electrode comprises a positive bus bar and a plurality of positive inner electrodes extending from the positive bus bar, the negative electrode comprises a negative bus bar and a plurality of negative inner electrodes extending from the negative bus bar, and the positive inner electrodes and the negative inner electrodes are alternately arranged and spaced from each other; and a second insulating layer formed on the surface of the electrode layer; the kneepad further comprises a connecting wire electrically connected with the electrode layer of the heating film. The knee pad has a heating function and can be powered by a lower voltage.
Description
Technical field
The present invention relates to a kind of knee-pad.
Background technology
At present, knee-pad adopts the resistance good material preparation such as cotton, suede or fur warming to carry out to knee mostly.
When use, these knee-pads itself can not discharge heat, but reach warming purpose by accumulating heat that human body distributes,
When used in cold environment, these knee-pads are very limited to the thermal effect of knee, it is difficult to resist the invasion and attack of external cold air.
Heating knee pad arranges resistance wire typically in knee pad body and is generated heat, however, metal electric heating silk is used as resistance wire
The supply voltage of needs is higher, once leaking electricity, entail dangers to life is dangerous larger.
The content of the invention
Based on this, it is necessary to provide a kind of knee-pad with heating function that can be powered using low voltage.
A kind of knee-pad, including knee pad body and the heating film that is arranged in the knee pad body, the heating film includes：
First insulating barrier；
Conductive layer, is formed at the surface of first insulating barrier；
Electrode layer, is formed at the surface of the conductive layer and electrically connects with the conductive layer, and the electrode layer includes positive electricity
Pole and negative electrode, the positive electrode includes positive bus bar and the electricity from multiple positive poles that the positive bus bar is extended
Pole, the negative electrode includes negative bus bar and from electrode in multiple negative poles that the negative bus bar is extended, it is described just
Extremely interior electrode is arranged alternately and spaced with electrode in the negative pole；And
Second insulating barrier, is formed at the surface of the electrode layer；
The knee-pad also includes the connecting line electrically connected with the electrode layer of the heating film.
Wherein in one embodiment, the positive bus bar and the negative bus bar are linear and parallel set
Put, in multiple positive poles electrode from the positive bus bar near the negative bus bar a lateral negative bus bar
Extend, the lateral positive pole of the electrode from the negative bus bar near the positive bus bar confluxes in multiple negative poles
Bar extends.
Wherein in one embodiment, the positive bus bar and the negative bus bar are arc and interval setting,
The inner side of electrode lateral negative bus bar from the positive bus bar extends in the positive pole, electrode in the negative pole
The inner side of the lateral positive bus bar extends from the negative bus bar.
Wherein in one embodiment, the heating film also include being arranged at first insulating barrier and the conductive layer it
Between auxiliary electrode layer, the auxiliary electrode layer electrically connects with the conductive layer, and the auxiliary electrode layer includes auxiliary positive electrode
And auxiliary negative electrode, the auxiliary positive electrode includes auxiliary positive busbar and extends from the auxiliary positive busbar
Electrode in multiple auxiliary positives, the auxiliary negative electrode includes auxiliary negative busbar and extends from the auxiliary negative busbar
And electrode in the multiple auxiliary negatives for going out, electrode is arranged alternately and mutually with electrode in the auxiliary negative in the auxiliary positive
Interval.
Wherein in one embodiment, electrode in electrode and the auxiliary negative in the auxiliary positive of the auxiliary electrode layer
Projection of the electrode in the conductive layer in electrode and the negative pole in the projection of the conductive layer with the positive pole of the electrode layer
Mutually stagger.
Wherein in one embodiment, the heating film also includes the first glue-line and the second glue-line, and first glue-line sets
It is placed between first insulating barrier and the conductive layer, second glue-line is arranged at the electrode layer and second insulation
Between layer.
Wherein in one embodiment, the positive electrode has multiple, multiple positive electrode series connection；
And/or, the negative electrode has multiple, multiple negative electrode series connection.
Wherein in one embodiment, the heating member also includes controller and wireless communicator, the controller and institute
Electrode layer electrical connection is stated, the wireless communicator can receive control instruction, and send the control instruction to the controller,
The controller controls the heating of the heating film according to the control instruction.
Another kind of knee-pad,
Including knee pad body and the heating film being arranged in the knee pad body, the heating film includes：
First insulating barrier；
First electrode layer, is formed at the surface of first insulating barrier, and the first electrode layer includes positive electrode, it is described just
Electrode includes positive bus bar and from electrode in multiple positive poles that the positive bus bar is extended,
Conductive layer, is formed at the surface of the first electrode layer, and the conductive layer is electrically connected with the first electrode layer；
The second electrode lay, is formed at the surface of the conductive layer and electrically connects with the conductive layer, the second electrode lay
Including negative electrode, the negative electrode includes negative bus bar and the electricity from multiple negative poles that the negative bus bar is extended
Pole, electrode is arranged alternately and spaced with electrode in the negative pole in the projection of the conductive layer in the positive pole；And
Second insulating barrier, is formed at the surface of the second electrode lay；
The knee-pad also includes the connecting line electrically connected with the first electrode layer and the second electrode lay of the heating film.
Above-mentioned knee-pad, because the positive electrode of the electrode layer of heating film includes electrode in multiple positive poles, negative electrode includes multiple
Electrode in negative pole, electrode is arranged alternately with electrode in negative pole in positive pole, reduces the spacing between adjacent interior electrode, so that
Must be less positioned at the resistance of the conductive layer between electrode in electrode in positive pole and negative pole, such that it is able to be supplied using relatively low voltage
Electricity, even if using common lithium battery power supply, you can reach the purpose of rapid heating, such that it is able to be supplied using relatively low voltage
Electricity.
Description of the drawings
Fig. 1 is the structural representation of the knee-pad of an embodiment；
Fig. 2 is the structural representation of the heating member of the knee-pad in Fig. 1；
Fig. 3 is the structural representation of the heating film of the heating member in Fig. 2；
Fig. 4 is the structural representation of the electrode layer of heating film in Fig. 3；
Fig. 5 is the structural representation of the heating film of the knee-pad of another embodiment；
Fig. 6 is the structural representation of the heating film of the knee-pad of another embodiment；
Fig. 7 is the structural representation of the heating film of the knee-pad of another embodiment；
Fig. 8 is the structural representation of the electrode layer of the heating film of the knee-pad of another embodiment；
Fig. 9 is the structural representation of the electrode layer of the heating film of the knee-pad of another embodiment；
Figure 10 is the structural representation of the electrode layer of the heating film of the knee-pad of another embodiment；
Figure 11 is the heating film Temperature Distribution photo of the embodiment 1 that thermal infrared imager shoots；
Figure 12 is the heating film Temperature Distribution photo of the embodiment 2 that thermal infrared imager shoots.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate many details in order to fully understand this in the following description
It is bright.But the present invention can be implemented with being much different from alternate manner described here, and those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not embodied as being limited by following public.
Please refer to Fig. 1 and Fig. 2, the knee-pad 1 of an embodiment, including heating member 10 and knee pad body 90.
Heating member 10 includes heating film 110, outer cover 130, electric supply installation 150, power switch 170, temperature regulating device 180.
Outer cover 130 is sheathed on heating film 110, and heating film 110 is contained in outer cover 130.
Electric supply installation 150, power switch 170 and temperature regulating device 180 are electrically connected by connecting line (figure depending on) with heating film 110
Connect.The material of outer cover 130 can be cloth, naturally it is also possible to using other materials commonly used in the trade, such as far-infrared material.
In the illustrated embodiment, the substantially strip of knee pad body 90, heating film 110 be banding, heating film 110 and
Outer cover 130 is fixedly arranged in knee pad body 90.Certainly, in other embodiments, knee pad body 90 can also be by elastomeric material
Made by sleeve.It should be noted that knee pad body 90 can further include internal layer and outer layer, heating film 110 is direct
It is located between the outer layer of knee pad body 90 and internal layer, now outer cover 130 can be omitted.Certainly, knee-pad 1 can also include
For miscellaneous parts such as fixed bandage or thread gluings, will not be described here.
Fig. 3 is referred to, in the illustrated embodiment, heating film 110 includes the first insulating barrier 112 for stacking gradually, leads
Electric layer 114, the insulating barrier 118 of electrode layer 116 and second.
First insulating barrier 112 is substrate.The material of the first insulating barrier 112 is glass or polymer.Preferably, polymer
For PET, PVC, PE, PMMA, PVDF, PANI or PC.Preferably, the thickness of the first insulating barrier 112 is 10 μm～125 μm.
Conductive layer 114 is formed at a side surface of the first insulating barrier 112.Conductive layer 114 is formed by conductive material.It is preferred that
, the material of conductive layer 114 is silver, copper, aluminium, Graphene, CNT, ITO, FTO or AZO.It is further preferred that conductive layer
114 material is single-layer graphene or multi-layer graphene.When the material of conductive layer is Graphene, conductive layer 114 can also contain
There is dopant, dopant is organic blended dose or inorganic doping agent.Preferably, the thickness of conductive layer is 10nm～100nm.
Electrode layer 116 is formed at the surface of conductive layer 114, and electrically connects with conductive layer 114.
Fig. 4 is referred to, in the illustrated embodiment, electrode layer 116 includes positive electrode 1162 and negative electrode 1164.Electrode
The thickness of layer 116 is 10nm～35 μm.
Positive electrode 1162 includes positive bus bar 1162a and from multiple positive poles that positive bus bar 1162a is extended
Electrode 1162b.
In the illustrated embodiment, positive bus bar 1162a substantially strip, including main body (figure is not marked), connecting portion
(figure is not marked) and the extension being connected with connecting portion (figure is not marked).Main body, connecting portion and extension are to be straight line strip.Connection
The one end in portion is vertical with one end of main body to be connected, and the other end of connecting portion is vertical with one end of extension to be connected, and main body with prolong
Extending portion is respectively positioned at the both sides of connecting portion.
Electrode 1162b has multiple in positive pole, and the side of the equal autonomous agents of electrode 1162b is extended in multiple positive poles.In figure
In the embodiment for showing, electrode 1162b is linear pattern and is each perpendicular to the main body of positive bus bar 1162a in positive pole.In positive pole
The connecting portion of electrode 1162b and positive bus bar 1162a is in the homonymy of the main body of positive bus bar 1162a.Electrode in positive pole
The width of 1162b is 0.5mm～4mm.Width of the width of positive bus bar 1162a much larger than electrode 1162b in positive pole.Positive pole
The width of busbar 1162a is 6mm～10mm.
Negative electrode 1164 includes negative bus bar 1164a and from multiple negative poles that negative bus bar 1164a is extended
Electrode 1164b.
In the illustrated embodiment, negative bus bar 1164a substantially strip, including main body (figure is not marked), connecting portion
(figure is not marked) and the extension being connected with connecting portion (figure is not marked).Main body, connecting portion and extension are to be straight line strip.Connection
The one end in portion is vertical with one end of main body to be connected, and the other end of connecting portion is vertical with one end of extension to be connected, and main body with prolong
Extending portion is respectively positioned at the both sides of connecting portion.The main body of negative bus bar 1164a is parallel to each other with the main body of positive bus bar 1162a
And interval setting, in positive pole electrode 1162b be located at main body and positive bus bar 1162a of negative bus bar 1164a main body it
Between, and in positive pole electrode 1162b away from one end and negative bus bar 1164a of positive bus bar 1162a main body separately.It is negative
The connecting portion of pole busbar 1164a is from one end of the main body of negative bus bar 1164a to the connection near positive bus bar 1162a
The direction in portion extends, and the connecting portion of negative bus bar 1164a is substantially concordant with the connecting portion of positive bus bar 1162a.
Electrode 1164b has multiple in negative pole, and main bodys of the electrode 1164b from negative bus bar 1164a is near just in negative pole
The side of the main body of pole busbar 1162a is extended, and is extended towards the main body of positive bus bar 1162a, and electrode in negative pole
The end of 1164b is with the main body of positive bus bar 1162a separately.In the illustrated embodiment, electrode 1164b is in negative pole
The main body of linear pattern and vertical negative bus bar 1164a.Electrode 1164b and electrode 1162b in positive pole is arranged alternately in negative pole
And it is spaced, i.e. adjacent with electrode 1162b in positive pole is in negative pole electrode 1164b phases in electrode 1164b, with negative pole
Adjacent is electrode 1162b in positive pole.Adjacent interior electrode is from different busbars.Preferably, in electrode layer 116, positive pole
Interior electrode 1162b is uniformly distributed with electrode 1164b in negative pole, i.e., electrode 1164b in electrode 1162b and negative pole in adjacent positive pole
Between spacing it is identical, be 2mm～8mm.Electrode 1164b converges with the connecting portion of negative bus bar 1164a in negative pole in negative pole
The homonymy of the main body of stream bar 1164a.The width of electrode 1164b is 0.5mm～4mm in negative pole.The width of negative bus bar 1164a
Much larger than the width of electrode 1164b in negative pole.The width of negative bus bar 1164a is 6mm～10mm.
The material of electrode layer 116 is silver, copper, aluminium, platinum, Graphene, CNT, ITO, FTO or AZO.Certainly, electrode layer
116 can also be formed by silver paste or copper slurry coating solidify afterwards, and now electrode layer 116 is inevitably containing other materials in slurry
Material.Preferably, electrode layer 116 is integrally formed with conductive layer 114.Preferably, when the material of conductive layer 114 is Graphene, electricity
The material of pole layer 116 is also Graphene, and electrode layer 116 is integrally formed with conductive layer 114.By arranging electrode layer 116, by electricity
Pole layer 116 is applied to material on conductive layer 114 made by single-layer graphene, to cause heating film 110 in the voltage of≤12V
Lower work, if the material of conductive layer 114 is multi-layer graphene, can further reduce operating voltage.
Further, electrode 1162b in positive bus bar 1162a of electrode layer 116, positive pole, negative bus bar 1164a and
Electrode 1164b can be same material in negative pole, or not same material.
Second insulating barrier 118 is formed at the surface of electrode layer 116.The material of the second insulating barrier 118 is glass or polymerization
Thing.Preferably, polymer is PET, PVC, PE, PMMA, PVDF, PANI or PC.Preferably, the thickness of the second insulating barrier 118 is
10 μm～125 μm.
Please refer to Fig. 1 to Fig. 3, electric supply installation 150 is electrically connected by connecting line with the electrode layer 116 of heating film 110.
Electric supply installation 150 is used to be powered heating film 110, and specifically in the present embodiment, electric supply installation 150 is packaged type electricity
Source, such as lithium battery.
Further, it is additionally provided with charging inlet 152 to be charged on electric supply installation 150.
Power switch 170 is electrically connected with electric supply installation 150 and electrode layer 116 simultaneously, for controlling 150 pairs of electricity of electric supply installation
Whether is the power supply of pole layer 116.
Temperature regulating device 180 is electrically connected with electric supply installation 150 and electrode layer 116, for controlling electric supply installation 150 to electrode layer
The voltage levels of 116 outputs, so as to control the heating temp of conductive layer 114.
Please refer to Fig. 1 and Fig. 2, electric supply installation 150, power switch 170 and temperature regulating device 180 are fixed on knee pad body
90 surface, connecting line 140 is externally invisible located at the inside of knee-pad 1.In other embodiments, knee-pad 1 also includes control
Part, electric supply installation 150, power switch 170 and temperature regulating device 180 are integrated in control piece to facilitate operation.
Knee-pad 1 also includes controller and wireless communicator, and controller is electrically connected with electrode layer 116.Wireless communicator can connect
Control instruction is received, and sends control instruction to controller, controller controls the heating of heating film 110 according to control instruction.Control
System instruction is sent by control end.Control end includes remote control, mobile phone, panel computer, desktop computer and notebook computer at least
It is a kind of.Control end is provided with infrared transceiver module, WIFI module or ZIGBEE modules, control end by infrared transceiver module,
WIFI module or ZIGBEE modules are communicated with controller.Further, knee-pad 1 is additionally provided with the temperature being electrically connected with the controller
Degree sensor, heating-up temperature of the temperature information that can be collected according to the temperature sensor that receives so as to controller to heating film
It is adjusted.Further, it is also possible to corresponding APP is installed on mobile phone to facilitate the heating of control heating film whether and heating
Temperature.
Preferably, in order to obtain good temperature homogeneity at lower voltages, for the special construction of electrode layer 116,
Spacing and conduction in the temperature difference, initial temperature, supply voltage, adjacent positive pole in electrode 1162b and negative pole between electrode 1164b
The square resistance of layer 114 meets equation below：
T=kU2/d2R+t (1)
In formula (1)：
T --- initial temperature, unit for DEG C；
T --- the final temperature difference of heating film, unit for DEG C；
U --- supply voltage, unit is V, U≤12V；
D --- the spacing in adjacent positive pole in electrode 1162b and negative pole between electrode 1164b, unit is cm, adjacent
Spacing in positive pole in electrode 1162b and negative pole between electrode 1164b according to conduction it is laminated on distance computation；
R --- conductive layer square resistance, unit is Ω/；
K --- constant, span is 10-200, and k spans are according to the coefficient of conductivity meeting between heating film and air
There is difference, the coefficient of conductivity between heating film and air is inversely proportional to.
Further, in order to ensure the uniformity of the heating-up temperature of knee-pad 1, positive bus bar 1162a and negative bus bar
The width and thickness of 1162b need to consider the current carrying capacity and resistivity of material therefor, and resistivity is sufficiently small, to reduce just
Voltage drop on pole busbar 1162a and negative bus bar 1162b, it is ensured that electrode 1164b in electrode 1162b and negative pole in positive pole
The diverse location ceiling voltage and minimum voltage difference for being arranged on positive bus bar 1162a or negative bus bar 1162b is less than
10%, and current carrying capacity to determine that positive bus bar 1162a and negative bus bar 1162b sectional area have to be larger than a certain
Numerical value just can guarantee that positive bus bar 1162a and negative bus bar 1162b are not burned out, and there is equation below (2)：
n(n+1)lρl/ WHR ＜ 1/5 (2)
Wherein：
N --- the space-number that electrode 1164b is produced in electrode 1162b and negative pole in positive pole；
ρ1--- positive bus bar 1162a and negative bus bar 1162b resistivity of material, unit is Ω m；
L --- in positive pole in electrode 1162b and negative pole electrode 1164b length, unit is m；
W --- positive bus bar 1162a and negative bus bar 1162b width, unit is m；
H --- positive bus bar 1162a and negative bus bar 1162b thickness, unit is m；
The square resistance of R --- conductive layer 114, unit is Ω/.
In above-mentioned formula, it is assumed that positive bus bar 1162a and negative bus bar 1162b material are identical, width and thickness are equal
Identical, electrode 1162b is identical with the length of electrode 1164b in negative pole in positive pole.
Equally, interior electrode is also needed to ensure current carrying capacity and considers that maximum voltage difference is less than on same interior electrode
10%.There is equation below (3)：
nl2ρ2/ whLR ＜ 1/5 (3)
Wherein：
N --- the space-number that electrode 1164b is produced in electrode 1162b and negative pole in positive pole；
L --- in positive pole in electrode 1162b and negative pole electrode 1164b length, unit is m；
ρ2--- in positive pole in electrode 1162b and negative pole the material of electrode 1164b resistivity, unit is Ω m；
W --- in positive pole in electrode 1162b and negative pole electrode 1164b width, unit is m；
H --- in positive pole in electrode 1162b and negative pole electrode 1164b thickness, unit is m；
The length of L --- positive bus bar 1162a and negative bus bar 1162b, unit m；
The square resistance of R --- conductive layer 114, unit is Ω/.
In above-mentioned formula, it is assumed that positive bus bar 1162a and negative bus bar 1162b are equivalently-sized, electrode in positive pole
The material of electrode 1164b, length, width and thickness all same in 1162b and negative pole.
Above-mentioned knee-pad, by the electrode layer using special construction, by electrode in electrode in setting positive pole and negative pole, reduces
Spacing between adjacent interior electrode, so that the resistance of the conductive layer between electrode in electrode in positive pole and negative pole
It is less, such that it is able to using relatively low power voltage supply, even if using common lithium battery power supply, you can reach the mesh of rapid heating
's；When the material of conductive layer 114 is single-layer graphene, can be obtained using the not higher than power voltage supply of 1.5V and be added with traditional
Hotting mask identical heating effect；By changing positive bus bar 1162a of electrode layer and the area, just of negative bus bar 1164a
Spacing in extremely interior electrode 1162b and negative pole between electrode 1164b, such that it is able to realize different heating powers, meets different
Heating-up temperature demand.Using relatively low power voltage supply, even if there is electric leakage, personal safety also will not be threatened completely, heat
Time is short, lightweight, and body-sensing is smoothed, and not there are problems that heater strip, electromagnetic-radiation-free.
When the material of the conductive layer of knee-pad is Graphene, the power voltage supply less than 7V can be adopted, while by control
Warm device adjusts temperature, and heating film can send the extremely consistent far infrared of the far ir ray sent with human body natural, reach
The purpose for the treatment of.
Fig. 5 is referred to, the knee-pad of another embodiment is roughly the same with the structure of knee-pad 1, and its difference is：In diagram
In embodiment, the first insulating barrier 212 that the heating film 210 of knee-pad includes stacking gradually, the first glue-line 213, conductive layer 214,
Electrode layer 216, the second glue-line 217 and the second insulating barrier 218.The insulating barrier 212 of conductive layer 214 and first passes through the first glue-line 213
Bonding, the second insulating barrier 218 is bonded with electrode layer 216 by the second insulating barrier 218.Preferably, the material of the first glue-line 213 is
Ultraviolet cured adhesive, PUR or silica gel, the material of the second glue-line 217 is ultraviolet cured adhesive, PUR or silica gel.
In above-mentioned knee-pad, heating film 210 is prepared by following steps：
Step S310, offer prefabricated board, prefabricated board includes the basic unit for preparing electrode layer and is formed at substrate surface
Conductive layer 214.
Preferably, basic unit is metal forming.Metal forming is Copper Foil, nickel foil or other metal formings, and here is not limited.
In the step, the prefabricated board for being provided, conductive layer (such as Graphene) is directly grown in basic unit.
Step S320, the conductive layer 214 that the first insulating barrier 212 is bonded to prefabricated board by the first glue-line 213.
Step S330, mask is prepared on the surface of basic unit, and process is etched to basic unit, to be removed and obtain electrode after mask
Layer.
In the step, the design of the pattern of mask electrode layer as needed.During etch processes, mask will be made
Prefabricated board be placed in etching solution, etching remove not by the basic unit of mask protection.
Preferably, containing the material of the electric conductivity that can improve conductive layer 214 in etching solution.
Step S340, the surface that the second insulating barrier 218 is bonded to electrode layer 216 by the second glue-line 217.
Preferably, the second glue-line 217 and the second insulating barrier 218 offer the positive electrode and negative electricity corresponding to electrode layer 216
The through hole of pole is making lead.
The preparation method of above-mentioned heating film 210 is relatively simple, time-consuming and material cost, meanwhile, using metal forming system
Standby electrode layer, good conductivity is conducive to the control of the uniformity of heating film temperature.
Preferably, the thickness of the first glue-line 213 and the second glue-line 217 is 25～75 μm.
Fig. 6 is referred to, the knee-pad of another embodiment is roughly the same with the structure of knee-pad 1, and its difference is：In diagram
In embodiment, the first insulating barrier 412 that the heating film 410 of knee-pad includes stacking gradually, conductive layer 414, electrode layer 416, the
Two glue-lines 417 and the second insulating barrier 418.Second insulating barrier 418 is bonded with electrode layer 416 by the second insulating barrier 418.It is preferred that
, the material of the second glue-line 417 is ultraviolet cured adhesive, PUR or silica gel.
In above-mentioned knee-pad, heating film 410 is prepared by following steps：
Step S510, prepare electrode layer in the surface printing of conductive layer 144 or evaporation for being formed at the surface of the first insulating barrier 412
416。
Step S520, the surface that the second insulating barrier 418 is bonded to electrode layer 416 by the second glue-line 417.
Preferably, the second glue-line 417 and the second insulating barrier 418 offer the positive electrode and negative electricity corresponding to electrode layer 416
The through hole of pole is making lead.
The preparation method of above-mentioned heating film 410 is relatively simple.
Fig. 7 is referred to, the knee-pad of another embodiment is roughly the same with the structure of knee-pad 1, and its difference is：In diagram
In embodiment, the heating film 510 of knee-pad includes the first insulating barrier 512, the auxiliary electrode layer 513, conductive layer that stack gradually
514th, the insulating barrier 518 of electrode layer 516 and second.Auxiliary electrode layer 513 is electrically connected with conductive layer 514.The knot of auxiliary electrode layer 513
Structure is identical with the structure of electrode layer 516.Auxiliary electrode layer 513 includes auxiliary positive electrode (figure is not regarded) and auxiliary negative electrode, and (figure is not
Depending on).Auxiliary positive electrode includes auxiliary positive busbar and the electricity from multiple auxiliary positives that auxiliary positive busbar extends
Pole.Auxiliary negative electrode includes auxiliary negative busbar and the electricity from multiple auxiliary negatives that auxiliary negative busbar extends
Pole.Electrode is arranged alternately and spaced with electrode in auxiliary negative in auxiliary positive.It is further preferred that auxiliary electrode layer
In 513 auxiliary positive in electrode and auxiliary negative electrode in the projection of conductive layer 514 and the positive pole of electrode layer 516 electrode and
Electrode mutually staggers in the projection of conductive layer in the negative pole.
Fig. 8 is referred to, the knee-pad of another embodiment is roughly the same with the structure of knee-pad 1, and its difference is：In diagram
In embodiment, electrode layer 616 includes positive electrode 6162, the first negative electrode 6164 and the second negative electrode 6166.First negative electrode
6164 connect with the second negative electrode 6166.Positive electrode 6162 includes positive bus bar 6162a and extends from positive bus bar 6162a
And electrode 6162b in the multiple positive poles for going out.Electrode 6162b has multiple in positive pole, and electrode 6162b converges from positive pole in multiple positive poles
Extend the side of stream bar 6162a.In the illustrated embodiment, in positive pole electrode 6162b be linear pattern and it is vertical just
Pole busbar 6162a.
First negative electrode 6164 includes the first negative bus bar 6164a and extends from the first negative bus bar 6164a
Multiple first negative poles in electrode 6164b.Second negative electrode includes the second negative bus bar 6166a and from the second negative bus bar
Electrode 6166b in multiple second negative poles that 6166a extends.First negative bus bar 6164a and the second negative bus bar
6166a is linear pattern, and the first negative bus bar 6164a and the second negative bus bar 6166a are flat with positive bus bar 6162a
Row is arranged, and the first negative bus bar 6164a is located on the same line and spaced with the second negative bus bar 6166a, and
First negative bus bar 6164a is substantially put down away from one end of the second negative bus bar 6166a with one end of positive bus bar 6162a
Together, the second negative bus bar 6166a is away from one end of the first negative bus bar 6164a and the other end of positive bus bar 6162a
It is substantially concordant.
In positive pole electrode 6162b away from one end of positive bus bar 6162a near the first negative bus bar 6164a or second
Negative bus bar 6166a, and with the first negative bus bar 6164a or the second negative bus bar 6166a separately.In first negative pole
From the first negative bus bar 6164a, the electrode 6162a in a lateral positive pole of electrode 6162a in positive pole extends electrode 6164b
And with electrode 6162a in positive pole separately, and in the first negative pole electrode 6164b with corresponding to the first negative bus bar 6164a
Electrode 6162b is arranged alternately in positive pole.Electrode 6166b is electric in positive pole from the second negative bus bar 6166a in second negative pole
Electrode 6162a extends and with electrode 6162a in positive pole separately in the one lateral positive pole of pole 6162a, and electrode in the second negative pole
6166b is arranged alternately with electrode 6162b in the positive pole corresponding to the second negative bus bar 6166a.
It should be noted that the first negative electrode 6164 is not limited to connect with the second negative electrode 6166, it is also possible to which parallel connection sets
Put.Positive electrode is alternatively multiple, multiple positive electrode serial or parallel connections.Negative electrode is not limited to two, or and one or big
In 2.
Fig. 9 is referred to, the knee-pad of another embodiment is roughly the same with the structure of knee-pad 1, and its difference is：In diagram
In embodiment, positive bus bar 7162a and negative bus bar 7164a of electrode layer 716 are linear.Negative bus bar
7162a is with positive bus bar 7164a interval setting and negative bus bar 7164a is prolonged along the bearing of trend of positive bus bar 7162a
Stretch.Electrode 7162b bends extension, electrode 7162b in positive pole from positive bus bar 7162a to negative bus bar 7164a in positive pole
End near negative bus bar 7164a and with negative bus bar 7164a separately.Electrode 7164b confluxes from negative pole in negative pole
Bar 7164a to positive bus bar 7162a bending extend, in negative pole the end of electrode 7164b near positive bus bar 7162a and with
Positive bus bar is separately.
Figure 10 is referred to, the knee-pad of another embodiment is roughly the same with the structure of knee-pad 1, and its difference is：In diagram
Embodiment in, positive bus bar 8162a and negative bus bar 8164a are arc and interval setting, positive bus bar
8162a and negative bus bar 8164a are enclosed and are set as annular.Electrode 8162a laterally bears from positive bus bar 8162a in positive pole
The inner side of pole busbar 8162b extends, and the end of electrode 8162b is confluxed near negative bus bar 8164a and with negative pole in positive pole
Bar 8164a is separately.Electrode 8164b prolongs from negative bus bar 8164a on the inside of lateral positive bus bar 8162a in negative pole
Stretch, in negative pole the end of electrode 8164b near positive bus bar 8162a and with positive bus bar separately.In the enforcement of diagram
In mode, electrode 8164b is linear pattern in electrode 8162b and negative pole in positive pole.
It should be noted that positive bus bar and negative bus bar are not limited to the shape that above-mentioned several embodiments are enumerated,
Can also be other shapes；Electrode is also not necessarily limited to the shape enumerated for above-mentioned several embodiments in electrode and negative pole in positive pole,
Can be other shapes, such as shaped form or waveform, as long as so that electrode is arranged alternately with electrode in negative pole in positive pole, reduction
Spacing in positive pole in electrode and negative pole between electrode.
It is appreciated that positive electrode and negative electrode can be respectively provided with the both sides in conductive layer, positive electrode and negative electrode exist
The projection of conductive layer is identical with the structure of conductive layer in above-described embodiment.
Further illustrate below in conjunction with specific embodiment.
Embodiment 1：
Please refer to Fig. 4 and Fig. 5, used as the conductive layer of heating film, electrode layer is using silver paste printing for single-layer graphene.
1st, a layer graphene, Graphene are shifted on the PET (the first insulating barrier) of area 150mm × 125 μm of 150mm thickness
Overdoping, sheet resistance is 250 Ω/；
2nd, ag paste electrode pattern, pattern form such as Fig. 4 institutes are printed on the Graphene for having shifted using screen printing apparatus
Show, electrode spacing is 6mm in electrode and negative pole in positive pole, the long 108mm of electrode, wide 1mm in electrode and negative pole in positive pole, totally 15
Bar, positive bus bar and negative bus bar width 8mm, 25 μm of silver paste thickness；
3rd, the electrode for printing is placed in baking oven and is toasted, solidify silver paste, baking temperature is 130 DEG C, and the time is
40min。
Initial temperature is room temperature (22 DEG C), in such cases, lead is respectively connected the positive electrode of electrode layer and negative electrode
The both positive and negative polarity of 5V power supplys is connect, Jing tests can reach stable state in 60 seconds, and now the mean temperature of heating film is up to 77.5 DEG C of left sides
Right (room temperature is 22 DEG C).
The use of the average heating power of heating film during 3.7V power voltage supplies is 1500w/m2Left and right.
Preferably, further follow the steps below：
4th, OCA glue and the PET of the same area of area 150mm × 50 μm of 150mm thickness are fit together；
5th, square opening is opened in the PET/OCA for posting using laser cutting device, hole size is 5mm × 5mm, the position of perforate
Put after ensureing that the PET/OCA fits with electrode layer case, bus bar termination exposes the electrode of 5mm × 5mm；
6th, to PET/OCA fits with electrode layer behind good position；
7th, the electrode exposed in aperture goes out to make lead；
In such cases, it is 2.7 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 5V power supplys, and Jing is tested,
Stable state is can reach within 60 seconds, Figure 11 show the heating film Temperature Distribution photo shot using thermal infrared imager, now adds
The mean temperature of hotting mask is up to 66 DEG C or so (room temperature is 22 DEG C).
Test result shows, the use of the average heating power of heating film during 3.7V power voltage supplies is 1300w/m2Left and right, and
Voltage be 3.7V when using traditional heating film average heating power without interior electrode be 5w/m2Left and right, reach new with us
The heating film identical heating effect of design need to be improved to 60V or so using voltage, and this is considerably beyond human-body safety electricity
Pressure.
Embodiment 2：
The present embodiment adopts two layer graphenes as the conductive layer of heating film, and electrode layer is printed using silver paste.
1st, two layer graphenes are shifted on the PET (the first insulating barrier) of area 120mm × 125 μm of 120mm thickness as leading
Electric layer, Graphene overdoping, sheet resistance is 120 Ω/；
2nd, ag paste electrode layer, pattern form such as Figure 10 institutes are printed on the conductive layer for having shifted using screen printing apparatus
Show, busbar outside diameter 96mm, interior electrode spacing be 6mm, wide 1mm, busbar width 8mm, 25 μm of silver paste thickness；
3rd, the electrode pattern for printing is placed in baking oven and is toasted, solidify silver paste, baking temperature is 130 DEG C, and the time is
40min。
In such cases, lead is connected respectively the both positive and negative polarity of 5V power supplys, Jing tests, 60S can reach stable state, this
When heating film mean temperature up to 137.7 DEG C or so (initial temperatures be 22 DEG C of room temperature).
Test result shows, using the electrode design scheme that we invent, using during 3.7V power voltage supplies heating film it is flat
Heating power is 3168w/m2Left and right.
Preferably, further follow the steps below：
4th, OCA glue and the PET of the same area of area 120mm × 50 μm of 120mm thickness are fit together；
5th, square opening is opened in the PET/OCA for posting using laser cutting device, hole size is 5mm × 5mm, the position of perforate
Put after ensureing that the PET/OCA fits with electrode layer, bus bar termination exposes the electrode of 5mm × 5mm；
6th, to PET/OCA fits with electrode layer behind good position；
7th, the electrode exposed in aperture goes out to make lead；
In such cases, it is 2 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 5V power supplys, and Jing is tested,
40S clocks can reach stable state, and Figure 12 show the heating film Temperature Distribution photo shot using thermal infrared imager, now adds
The mean temperature of hotting mask is up to 90.9 DEG C or so (room temperature is 22 DEG C).
Test result shows, the use of the average heating power of heating film during 3.7V power voltage supplies is 1300w/m2Left and right, and
Voltage be 3.7V when using traditional heating film average heating power without interior electrode be 5w/m2Left and right, reach new with us
The heating film identical heating effect of design need to be improved to 60V or so using voltage, and this is considerably beyond human-body safety electricity
Pressure.
Embodiment 3：
Refer to Fig. 8, single-layer graphene is used as the conductive layer of heating film, and preparation technology is as follows：
1st, Copper Foil and the size that Graphene (through doping, sheet resistance is 250 Ω/ to Graphene) will have been grown be 150mm ×
300mm thickness is that 125 μm of PET is combined by UV stickers, and Copper Foil size is 140mm × 280mm, and thickness is 25 μm；
2nd, by UV adhesive curings, wavelength is 365nm, and energy is 1000mJ/cm2；
3rd, peelable glue mask is printed on the Copper Foil for posting using screen printing apparatus, pattern form as shown in figure 8, this
When, it is divided into two equivalent to heating film, the effect of the two pieces of heating film cascades in left and right is formed, actual utilization voltage halves, interior
Electrode spacing is 3mm, long 108mm, wide 1mm, totally 32, busbar width 8mm, 25 μm of copper thickness；
4th, the electrode pattern for printing is placed in baking oven and is toasted, make peelable adhesive curing, baking temperature is 135 DEG C, the time
For 40min；
5th, the sample after toasting is placed in 30% FeCl3Etch in etching liquid, etching is washed after terminating and dried up, and takes electrode off
The peelable glue on surface.
In such cases, it is 1.7 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 3.7V lithium ion batteries
(being 1.85V relative to the heating film of half), Jing tests, 30S stably after the temperature of heating film (room temperature is 22 up to 46 DEG C or so
℃)。
Test result shows, using the electrode design scheme of the present invention, (two electrodes is applied to using 3.7V voltages
Voltage is 1.85V) power supply when heating film average heating power be 1521w/m2Left and right.
Preferably, further follow the steps below：
6th, OCA glue and the PET of the same area of area 150mm × 50 μm of 300mm thickness are fit together；
7th, square opening is opened in the PET/OCA for posting using laser cutting device, hole size is 5mm × 5mm, the position of perforate
Put after ensureing that the PET/OCA fits with electrode layer, bus bar termination exposes the electrode of 5mm × 5mm；
8th, to PET/OCA fits with electrode pattern behind good position；
9th, the electrode exposed in aperture goes out to make lead；
It is 2.5 Ω to measure heating film resistance, lead is connected respectively 3.7V (actual using voltage equivalent to 1.85V) lithium from
The both positive and negative polarity of sub- battery, Jing tests, 70S stably after heating film temperature up to 45 DEG C or so (room temperatures be 22 DEG C), coincidence formula T
=kU2/d2R+t (K=151).
Embodiment 4：
The present embodiment adopts ito thin film as the conductive layer of heating film, and, used as electrode, design is with reference to Fig. 4, system for silver paste
Standby technique is as follows：
1st, using screen printing apparatus sheet resistance be size be 150mm × 150mm, sheet resistance be 150 Ω ito thin film (side
Hinder for 400 Ω/) on print ag paste electrode pattern, pattern form as shown in figure 4, interior electrode spacing be 6mm, long 108mm, it is wide
1mm, totally 15, busbar width 8mm, 25 μm of silver paste thickness；
2nd, the electrode pattern for printing is placed in baking oven and is toasted, solidify silver paste, baking temperature is 130 DEG C, and the time is
40min。
3rd, OCA glue and the PET of the same area of area 150mm × 50 μm of 150mm thickness are fit together；
4th, square opening is opened in the PET/OCA for posting using laser cutting device, hole size is 5mm × 5mm, the position of perforate
Put after ensureing that the PET/OCA fits with electrode layer, bus bar termination exposes the electrode of 5mm × 5mm；
5th, to PET/OCA fits with electrode pattern behind good position；
6th, the electrode exposed in aperture goes out to make lead；
In such cases, it is 5 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 12V power supplys, and Jing is tested,
55S can reach stable state, and now the mean temperature of heating film is up to 92 DEG C or so (room temperature is 22 DEG C), coincidence formula T=
kU2/d2R+t (K=70).
Embodiment 5：
The present embodiment transparency conducting layer adopts single-layer graphene (250 Ω/), electrode layer to adopt 10 layer graphenes, prepares
Method is roughly the same with embodiment 1, and difference is：Using continuing to shift by the way of Graphene on graphene film, shift
To 11th layer, stop transfer, then 10 layer graphenes above are etched into into the electrode layer of patterning, or adopt direct growth
Multi-layer graphene, then the electrode layer of patterning is made, the pattern of the present embodiment electrode layer is as shown in figure 4, interior electrode spacing is
3mm, long 108mm, wide 1mm, totally 15, busbar width 8mm, electrode (10 layer graphene) thickness 35nm.
In such cases, it is 2 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 1.5V power supplys, and Jing is tested,
85S can reach stable state, and now the mean temperature of heating film is up to 34 DEG C or so (room temperature is 22 DEG C), coincidence formula T=
kU2/d2R+t (K=120).
Embodiment 6：
Using 4 layer graphenes (62.5 Ω/) as conductive layer, the material of electrode layer is ITO to the present embodiment, preparation method
Roughly the same with embodiment 1, difference is：Using on conductive layer when ITO is printed in, electrode patterning design referring to
Figure 10, interior electrode spacing be 4mm, wide 1mm, totally 16, busbar width 8mm, 25 μm of silver paste thickness.
In such cases, it is 1.6 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 7.5V power supplys, and Jing is surveyed
Examination, 100S can reach stable state, and now the mean temperature of heating film meets public affairs up to 103 DEG C or so (room temperature is 22 DEG C)
Formula T=kU2/d2R+t (K=90).
Embodiment 7：
Embodiment 7 is roughly the same with embodiment 3, and difference is：The structure of electrode layer is as shown in figure 4, interior electrode spacing is
3mm, long 108mm, wide 1mm, totally 115, busbar width 8mm, 25 μm of copper platinum thickness.
In such cases, it is 1.7 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 12V power supplys, and Jing is surveyed
Examination, 100S can reach stable state, and now the mean temperature of heating film meets public affairs up to 226 DEG C or so (room temperature is 22 DEG C)
Formula T=kU2/d2R+t (K=32).
Embodiment 8：
Embodiment 8 is roughly the same with embodiment 1, and difference is：Electrode layer is made up of Copper Foil, electrode layer structure such as Figure 10 institutes
Show, interior electrode spacing be 2mm, long 108mm, wide 1mm, totally 16, busbar width 8mm, 25 μm of copper thickness.With single-layer graphene
It is 250 Ω/ as the sheet resistance of the conductive layer of material.
In such cases, it is 2 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 3.7V power supplys, and Jing is tested,
30S can reach stable state, and now the mean temperature of heating film is up to 143.8 DEG C or so (room temperature is 22 DEG C), coincidence formula T
=kU2/d2R+t (K=89).
Embodiment 9：
The present embodiment is being led using the two sides that positive electrode and negative electrode are separately positioned in conductive layer, positive electrode and negative electrode
The projection of electric layer is as shown in figure 4, the material of conductive layer adopts single-layer graphene (sheet resistance is 250 Ω/), electrode to adopt 5-10 layers
Graphene or thickness be 10-30 μm of Copper Foil, wherein, positive and negative adjacent inner electrodes spacing is 4mm, long 108mm, wide 1mm, altogether
15, busbar width 8mm.
In such cases, it is 2.1 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 7.5V power supplys, and Jing is surveyed
Examination, 30S can reach stable state, and now the mean temperature of heating film is up to 210 DEG C or so (room temperature is 22 DEG C), coincidence formula
T=kU2/d2R+t (K=134).
Embodiment 10：
Embodiment 10 is roughly the same with embodiment 3, and difference is：The structure of electrode layer is as shown in figure 8, conductive layer adopts 6
Layer graphene (sheet resistance is 41.6 Ω/), electrode layer is made up of Copper Foil.Interior electrode spacing be 3mm, wide 1mm, totally 9, busbar
Wide 8mm, 25 μm of copper thickness.
In such cases, it is 1.9 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 1.5V power supplys, and Jing is surveyed
Examination, 30S can reach stable state, and now the mean temperature of heating film meets public affairs up to 86.3 DEG C or so (room temperature is 22 DEG C)
Formula T=kU2/d2R+t (K=107).
Embodiment 11：
Embodiment 11 is roughly the same with embodiment 1, and difference is：Interior electrode and busbar adopt different materials, metal
Platinum as busbar material and 10 layers of Graphene as interior electrode material.Material of the single-layer graphene as transparency conducting layer
Material (sheet resistance is 250 Ω/).The structure of electrode layer as shown in figure 4, electrode spacing is 5mm, long 108mm, wide 1mm in Graphene,
Totally 32, busbar width 8mm, 25 μm of thickness.
In such cases, it is 1.9 Ω to measure heating film resistance, and lead is connected respectively the both positive and negative polarity of 12V power supplys, and Jing is surveyed
Examination, 30S can reach stable state, and now the mean temperature of heating film is up to 243 DEG C or so (room temperature is 22 DEG C), coincidence formula
T=kU2/d2R+t (K=96).
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art comes
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (7)
1. a kind of knee-pad, it is characterised in that including knee pad body, electric supply installation and the heating being arranged in the knee pad body
Film, the heating film includes：
First insulating barrier；
Auxiliary electrode layer, is formed at the surface of first insulating barrier, and the auxiliary electrode layer includes auxiliary positive electrode and auxiliary
Negative electrode, the auxiliary positive electrode include auxiliary positive busbar and from the auxiliary positive busbar extend it is multiple auxiliary
Help electrode in positive pole, the auxiliary negative electrode includes auxiliary negative busbar and extends from the auxiliary negative busbar
Electrode in multiple auxiliary negatives, electrode is arranged alternately and spaced with electrode in the auxiliary negative in the auxiliary positive；
Conductive layer, is formed at the surface of the auxiliary electrode layer, and the conductive layer is electrically connected with the auxiliary electrode layer；
Electrode layer, is formed at the surface of the conductive layer and electrically connects with the conductive layer, the electrode layer include positive electrode and
Negative electrode, the positive electrode includes positive bus bar and from electrode, institute in multiple positive poles that the positive bus bar is extended
Negative electrode is stated including negative bus bar and from electrode in multiple negative poles that the negative bus bar is extended, electricity in the positive pole
Pole is arranged alternately and spaced with electrode in the negative pole；
Projection and institute of the electrode in the conductive layer in electrode and the auxiliary negative in the auxiliary positive of the auxiliary electrode layer
State in the positive pole of electrode layer that electrode mutually staggers in the projection of the conductive layer in electrode and the negative pole；
Second insulating barrier, is formed at the surface of the electrode layer；
The knee-pad also includes the connecting line electrically connected with the electrode layer of the heating film, the electric supply installation by connecting line with
The electrode layer electrical connection of the heating film；
The electric supply installation, below equation is met between conductive layer and electrode layer：
T=kU2/d2R+t, wherein, t is the initial temperature of the heating film, and T is the final temperature difference of the heating film, and U is described
The supply voltage of electric supply installation, U≤12V, d are the spacing of electrode in electrode and negative pole in adjacent positive, and R is the conductive layer
Square resistance, k is constant.
2. knee-pad according to claim 1, it is characterised in that the positive bus bar and the negative bus bar are directly
It is linear and be arranged in parallel, in multiple positive poles electrode from the positive bus bar near the negative bus bar a lateral institute
State negative bus bar extension, in multiple negative poles electrode from the negative bus bar near the lateral of the positive bus bar
The positive bus bar extends.
3. knee-pad according to claim 1, it is characterised in that the positive bus bar is directly with the negative bus bar
Linear, the negative bus bar is with the positive bus bar interval setting and the negative bus bar is along the positive bus bar
Bearing of trend extends, and electrode bends extension, the negative pole from the positive bus bar to the negative bus bar in the positive pole
Interior electrode bends extension from the negative bus bar to the positive bus bar.
4. knee-pad according to claim 1, it is characterised in that the positive bus bar and the negative bus bar are arc
Shape and interval setting, the inner side of electrode lateral negative bus bar from the positive bus bar extends in the positive pole,
The inner side of electrode lateral positive bus bar from the negative bus bar extends in the negative pole.
5. knee-pad according to claim 1, it is characterised in that the heating film also includes the first glue-line and the second glue-line,
First glue-line is arranged between first insulating barrier and the conductive layer, and second glue-line is arranged at the electrode layer
And between second insulating barrier.
6. knee-pad according to claim 1, it is characterised in that the positive electrode has multiple, multiple positive electrodes series connection；
And/or, the negative electrode has multiple, multiple negative electrode series connection.
7. knee-pad according to claim 1, it is characterised in that the knee-pad also includes controller and wireless communicator, institute
State controller to electrically connect with the electrode layer, the wireless communicator can receive control instruction, and the control instruction is transmitted
To the controller, the controller controls the heating of the heating film according to the control instruction.
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| CN201510290919.3A CN105433466B (en) | 2015-05-29 | 2015-05-29 | knee pad |
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| CN201510290919.3A CN105433466B (en) | 2015-05-29 | 2015-05-29 | knee pad |
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| CN105465874B (en) * | 2015-05-29 | 2018-11-20 | 烯旺新材料科技股份有限公司 | Heating sheet |
| CN105466005B (en) * | 2015-05-29 | 2018-11-20 | 烯旺新材料科技股份有限公司 | Foot bathing basin |
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| CN2633039Y (en) * | 2003-08-12 | 2004-08-18 | 刘键 | Electric heating sleeveless sweater |
| JP2008041298A (en) * | 2006-08-02 | 2008-02-21 | Matsushita Electric Ind Co Ltd | Flexible ptc heating body |
| CN201274775Y (en) * | 2009-03-02 | 2009-07-22 | 孔喜 | Functional biological frequency spectrum dress and dress ornament |
| JP2011014267A (en) * | 2009-06-30 | 2011-01-20 | Panasonic Corp | Planar heating element |
| CN102256394A (en) * | 2011-04-28 | 2011-11-23 | 上海科特高分子材料有限公司 | Electric heating element and manufacturing method thereof |
| CN204908027U (en) * | 2015-05-29 | 2015-12-30 | 冯欣悦 | Knee pad |
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2015
- 2015-05-29 CN CN201510290919.3A patent/CN105433466B/en active Active
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