US20130037531A1 - Electrically heated garment - Google Patents

Abstract

An article of clothing including a garment body and a heating system coupled to the garment body. The heating system includes a plurality of heating zones configured to heat different portions of the garment body. A battery pack supplies power to the heating system. A controller selectively provides power from the battery pack to the multiple heating zones. A user input member is provided for selecting a mode of the controller.

Description

CROSS-REFERENCE TO RELATED APPLICATION
• This Application claims priority to U.S. Provisional Patent Application No. 61/525,549, filed Aug. 19, 2011, and U.S. Provisional Patent Application No. 61/658,662, filed Jun. 12, 2012, the entire contents of which are incorporated herein by reference, and is also a continuation-in-part of U.S. patent application Ser. No. 12/940,429, filed Nov. 5, 2010, which claims priority to U.S. Provisional Patent Application No. 61/258,714, filed Nov. 6, 2009, the entire contents of which are incorporated herein by reference.
BACKGROUND OF INVENTION
• The present invention relates to garments, and in particular, to an electrically heated jacket for providing heat to a user wearing the jacket.
• Garments, especially outwear such as jackets and parkas, may be insulated to protect a user from the cold. Insulated jackets rely on the user's own body heat to keep the user warm. If the insulation is too thin, the user may be cold. If the insulation is too thick, the user may overheat.
SUMMARY OF THE INVENTION
• In one embodiment, the invention provides an article of clothing including a garment body and a heating system coupled to the garment body. The heating system includes a plurality of heating zones configured to heat different portions of the garment body. A battery pack supplies power to the heating system. A controller selectively provides power from the battery pack to the multiple heating zones. A user input member is provided for selecting a mode of the controller.
• In another embodiment, the invention provides a method of operating a garment heated by a first electric heater and a second electric heater, powered by a battery pack, and controlled by a controller via a first user input and a second user input. The first user input is actuated to cause the first electric heater to enter a first thermal output mode. The second user input is actuated to cause the second electric heater to enter a second thermal output mode. The first user input is illuminated in response to entering the first thermal output mode. The second user input is illuminated in response to entering the second thermal output mode. The first user input is actuated to cause the first electric heater to enter an off mode. The second user input is actuated to cause the second electric heater to enter an off mode.
• Other aspects of the invention will become apparent by consideration of the detailed description and accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
• FIG. 1 is a front view of a jacket according to one embodiment of the invention.
• FIG. 2 is a rear view of the jacket ofFIG. 1.
• FIG. 3 is a detailed view of a rear compartment of the jacket ofFIG. 2, and taken alongline3--3 ofFIG. 2.
• FIG. 4 is a perspective view of a battery holder according to one embodiment of the invention.
• FIG. 5 is a perspective view of a battery pack for use with the battery holder ofFIG. 4.
• FIG. 6 is an exploded view of the battery pack ofFIG. 5.
• FIG. 7 is an electrical block diagram for the jacket ofFIG. 1.
• FIG. 8 is an image of a heated jacket including a heating module according to another embodiment of the invention.
• FIG. 9 is an enlarged view of the heated jacket including the heating module ofFIG. 8.
• FIG. 10 is a top perspective view of a portion the heating module ofFIG. 8.
• FIG. 11 is a bottom perspective view of the portion of the heating module ofFIG. 10.
• FIG. 12 is a front view of a display for positioning in an aperture of the heating module ofFIG. 10.
• FIG. 13 is a perspective view of tools and devices usable with the battery pack ofFIG. 5.
• FIG. 14 is a front view of a jacket according to one embodiment of the invention.
• FIG. 15 is a rear view of the jacket ofFIG. 14.
• FIG. 16A is a detailed view of a control input of the jacket ofFIG. 14, and taken alongline16A--16A ofFIG. 14.
• FIG. 16B is a detailed view of a rear compartment of the jacket ofFIG. 15, and taken alongline16B--16B ofFIG. 15
• FIG. 17 is a perspective view of a battery holder according to one embodiment of the invention.
• FIG. 18 is a perspective view of a battery pack for use with the battery holder ofFIG. 17.
• FIG. 19 is an exploded view of the battery pack ofFIG. 18.
• FIG. 20 is an electrical block diagram for the jacket ofFIG. 14.
• FIG. 21 is an image of a heated jacket including a heating module according to another embodiment of the invention.
• FIG. 22 is an enlarged view of the heated jacket including the heating module ofFIG. 21.
• FIG. 23 is a top perspective view of a portion the heating module ofFIG.21.
• FIG. 24 is a bottom perspective view of the portion of the heating module ofFIG. 23.
• FIG. 25 is a front view of a display for positioning in an aperture of the heating module ofFIG. 23.
• FIG. 26 is a perspective view of tools and devices usable with the battery pack ofFIG. 18.
• FIG. 27 is a perspective view of a jacket according to another embodiment of the invention.
• FIG. 28 is a front view of a control input of the jacket ofFIG. 27.
• FIG. 29 is a diagram of a printed circuit board of the control input ofFIG. 28.
• FIG. 30 is a circuit diagram for the jacket ofFIG. 27.
• FIG. 31 is a block diagram of an alternative construction of the jacket ofFIG. 27.
• FIG. 32 is a perspective view of a battery receptacle module.
• FIG. 33 is another perspective view of the battery receptacle module ofFIG. 32.
• FIG. 34 is a perspective view of a battery and battery receptacle module according to another aspect of the invention.
• FIG. 35 illustrates a power source adapter for use with the jacket ofFIG. 27.
• FIG. 36 illustrates an electrically heated glove coupled to an accessory port of a heated jacket.
• FIG. 37 illustrates the electrically heated glove ofFIG. 36.
• FIG. 38 illustrates a pocket, including wire routing features, of the jacket ofFIG. 14.
• FIG. 39 illustrates wire routing features on a lining of the jacket ofFIG. 27.
• FIG. 40 also illustrates the wire routing features ofFIG. 39.
• FIG. 41 also illustrates the wire routing features ofFIG. 39.
• FIG. 42 illustrates a front of a jacket with visibility features.
• FIG. 43 illustrates a back of a jacket with visibility features.
• Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways.
DETAILED DESCRIPTION
• FIG. 1 illustrates aheated jacket10 according to one embodiment of the invention. Thejacket10 may be constructed in various sizes to fit a variety of users. Thejacket10 includes typical jacket features such as atorso body12,arms14, acollar16, and front pockets18. Afront surface20 of thejacket10 includes a control input. In the illustrated embodiment, the control input is abutton22 that may be actuated by user. As explained in greater detail below, thebutton22 includes adisplay portion24 to indicate a status of theheated jacket10.
• As illustrated in cutaway portions ofFIGS. 1 and 2, thejacket10 includes aheater array26. Theheater array26 is disposed in both aleft portion28 and aright portion30 of thetorso body12. In some embodiments, theheater array26 may extend into thearms14 and/orcollar16. In other embodiments the jacket may include a first heater array and second heater array arranged as an upper module and a lower module, respectively. In the illustrated embodiment, theheater array26 is controlled via thebutton22 shown inFIG. 1. In other embodiments, multiple heater arrays may be controlled individually via a single control input or multiple control inputs. Theheating array26 may include resistive heating coils formed of carbon fibers, high density carbon fibers, or other heating devices. Theheated jacket10 is capable of maintaining a temperature of up to110 degrees Fahrenheit, although in further embodiments lower or greater temperatures are possible depending upon the heat source.
• As illustrated inFIG. 2, theheated jacket10 includes acompartment32 located on a lower portion of the back torso body. Thecompartment32 houses an electrical component, such as a battery pack and battery holder. As illustrated inFIG. 3, thecompartment32 includes azipper34, providing selective access by a user to thecompartment32 in order to access the battery pack and other electrical components.FIG. 4 illustrates one example of abattery holder36. Thebattery holder36 is configured to receive abattery pack38, such as the battery pack illustrated inFIG. 5.
• Referring toFIG. 5, thebattery pack38 is a lithium-based, rechargeable battery pack. Thebattery pack38 is removably and interchangeably connected to thebattery holder36 to provide power to thejacket10 during operation and to facilitate recharging of thebattery pack38 when not in use. In some embodiments, thebattery pack38 may be used with other types of cordless, battery-powered tools or devices.FIG. 13, discussed below, illustrates exemplary tools and devices with which thebattery pack38 may be used. Thebattery pack38 also may be used with other power tools or sensing devices not specifically discussed herein.
• As illustrated inFIGS. 5 and 6, thebattery pack38 includes acasing40, anouter housing42 coupled to thecasing40, and a plurality ofbattery cells44 positioned within thecasing40. Thecasing40 is shaped and sized to fit within acavity46 of thebattery holder36 illustrated inFIG. 4, or alternatively, in a power tool or non-motorized sensing device to connect thebattery pack38 to the tool or device. Thecasing40 includes anend cap48 to substantially enclose thebattery cells44 within thecasing40. Theillustrated end cap48 includes twopower terminals50 configured to mate with corresponding power terminals60 (FIG. 7) extending within thecavity46 of thebattery holder36. In other embodiments, theend cap48 may also include sense or communication terminals that are configured to mate with corresponding terminals within the battery holder or a tool. Theouter housing42 includes a latchingarrangement52 for positively engaging thebattery pack38 with thebattery holder36. The latchingarrangement52 includes latchingtabs54 andresilient actuating portions56. The latchingtabs54 are configured to engage corresponding recesses within thecavity46 of thebattery holder36. Theresilient actuating portions56 are coupled to the latchingtabs54 and are configured for a user to selectively disengage the latchingtabs54 from thebattery holder36.
• As shown inFIG. 6, thebattery pack38 includes threebattery cells44 positioned within thecasing40 and electrically coupled to theterminals50. The battery cells provide operational power (e.g., DC power) to thejacket10 or other device. In the illustrated embodiment, thebattery cells44 are arranged in series, and each battery cell has a nominal voltage of approximately four-volts (4.0V), such that thebattery pack38 has a nominal voltage of approximately twelve-volts (12V). Thecells44 also have a capacity rating of approximately 1.4 Ah. In other embodiments, thebattery pack38 may include more orfewer battery cells44, and thecells44 can be arranged in series, parallel, or a serial and parallel combination. For example, thebattery pack38 can include a total of six battery cells in a parallel arrangement of two sets of three series-connected cells. The series-parallel combination of battery cells creates a battery pack having a nominal voltage of approximately 12V and a capacity rating of approximately 2.8 Ah. In other embodiments, thebattery cells44 may have different nominal voltages, such as, for example, 3.6V, 3.8V, 4.2V, etc., and/or may have different capacity ratings, such as, for example, 1.2 Ah, 1.3 Ah, 2.0 Ah, 2.4 Ah, 2.6 Ah, 3.0 Ah, etc. In other embodiments, thebattery pack38 can have a different nominal voltage, such as, for example, 10.8V, 14.4V, etc. In the illustrated embodiment, thebattery cells44 are lithium-ion battery cells having a chemistry of, for example, lithium-cobalt (Li—Co), lithium-manganese (Li—Mn), or Li—Mn spinel. In other embodiments, thebattery cells44 may have other suitable lithium or lithium-based chemistries.
• Theheated jacket10 includes control circuitry for theheater array26 andbattery pack38.FIG. 7 is a block diagram of theheated jacket10. Abattery controller58 receives electricity from thebattery pack38 via battery terminals60 (disposed within the battery holder36). Thebattery controller58 may be configured to monitor a state of charge of thebattery pack38 and, if necessary, shutdown theheater array26.
• Aheater controller62 receives inputs from thecontrol button22 and selectively powers theheater array26 depending upon the selected thermal output. Thedisplay portion24 is selectively illuminated based upon the selected thermal output setting. Theheater controller62 may be configured to monitor a plurality of conditions of thejacket10 including, but not limited to, an amount of current drawn by theheater array26. Thecontrollers58,62 are, for example, microprocessors, microcontrollers, or the like, and are configured to communicate with one another. In the illustrated embodiment, thebattery controller58 provides information to theheater controller62 related to a battery pack temperature or voltage level. Theheater controller62 and thebattery controller58 also include low voltage monitors and state-of-charge monitors. The monitors are used to determine whether thebattery pack38 is experiencing a low voltage condition, which may prevent proper operation of theheater array26, or if thebattery pack38 is in a state-of-charge that makes thebattery pack38 susceptible to being damaged. If such a low voltage condition or state-of-charge exists, theheater array26 is shut down or thebattery pack38 is otherwise prevented from further discharging current to prevent the battery pack from becoming further depleted.
• Theheated jacket10 illustrated inFIGS. 1 and 2 may be operated as follows. To turn on theheated jacket10, a user presses and holds thecontrol button22 for a first period (e.g., three seconds). When first turned on, theheater controller62 causes theheated jacket10 to enter pre-heat mode. Theheated jacket10 remains in a pre-heat mode for a period (e.g., five minutes) and then theheater controller62 switches theheater array26 to a medium thermal output setting. The user may adjust the thermal output setting by actuating thecontrol button22. Each press of thecontrol button22 will cycle theheater controller62 through one of a sequence of thermal output settings (e.g., low, medium, high). In order to turn off the heated jacket10 (or de-energize the heater array26), the user presses and holds thecontrol button22 for a third period (e.g., three seconds).
• As mentioned previously, thecontrol button22 includes an illuminateddisplay portion24 to indicate a status of the heaters. The display portion may be, for example, one or more LEDs. In the pre-heat mode, thedisplay portion24 flashes red. At a low thermal output setting, thedisplay portion24 glows blue. At a medium thermal output setting, thedisplay portion24 glows white. At a high thermal output setting, the display portion glows red. Other embodiments may use various other colors or light patterns to indicate thermal output settings. Still other embodiments may indicate a state of charge of thebattery pack38.
• FIG. 8 illustrates aheated jacket110 according to another embodiment of the invention. Theheated jacket110 may be constructed in various sizes to fit a variety of users.FIG. 9 is an enlarged view of aheating module164, which is coupled to an outside surface of thejacket110 by way of astrap166. Alternatively, theheating module164 may be coupled to an inner surface of thejacket110 or disposed inside of an inner pocket of thejacket110.
• Theheating module164 includes a battery pack holder136 (FIGS. 10 and 11) and a battery pack38 (FIG. 5). Theheating module164 is electrically coupled to one or more heating coils (not shown) positioned within thejacket110 to heat the jacket and provide heat to a user wearing the jacket. In the illustrated embodiment, multiple heating coils are employed and positioned in various locations, or zones, within the jacket. For example, separate heating coils may be positioned in an upper torso area and a lower torso area, and may be separately controllable by the user. In further embodiments, a single heating coil may be used, or the heating coils may be positioned at other locations within the jacket, (e.g., the back, arms, etc.).
• FIGS. 10 and 11 illustrate thebattery holder136 of theheating module164 in greater detail. With reference toFIG. 11, thebattery holder136 includes anaperture168 for receiving an end of a cord (not shown), the cord being connected to the one or more heating coils and including a male connector terminal. A female connector (not shown) is positioned within thebattery holder136 adjacent theaperture168 to receive the male connector and form an electrical connection between the heating coils and thebattery pack38. Thebattery holder136 also includes ahook170 for securing the cord disposed between the connector and thejacket110.
• With further reference toFIG. 10, thebattery holder136 includes ahousing portion172 for electrical components, including a circuit board (not shown). Thehousing portion172 includes afirst button174, asecond button176 and adisplay178. Thefirst button174 and thesecond button176 are capable of communicating with the electrical components. In the illustrated embodiment, thefirst button174 is pressed by a user to increase the temperature of the heating coils, and thesecond button176 is pressed by a user for lowering the temperature of the heating coils. In the illustrated embodiment ofFIG. 12, thedisplay178 is a seven segment display for representing a heating level indicative of the temperature of the heating coils.
• With reference toFIG. 11, thebattery holder136 includes a power indicator182, such as a light emitting diode (LED) that displays to the user when lit that the battery is connected, the heating coils are on, or the like. A portion of thebattery holder136 defines abattery cavity184 for receiving the battery pack38 (FIG. 5).
• In other embodiments, thebattery holder136 includes an on/off switch (such as thecontrol button22 discussed above), a fuel gauge that displays the amount of battery power remaining, and a user interface including heat zone controls to individually control the heating coils if multiple heating coils are employed.
• FIG. 13 illustrates exemplary power tools and sensing devices with which thebattery pack38 may be usable. Thebattery pack38 may be usable with power tools such as adrill202, apipe cutter204, animpact driver206, and areciprocating saw208. Thebattery pack38 may also be usable with non-motorized sensing devices such as avisual inspection camera212, an infrared sensor214 (such as a thermometer or thermal imaging camera), a clamp-type multimeter216, and a wall scanner218 (such as a “stud finder”).
• FIGS. 14 and 15 illustrate aheated jacket310 according to one embodiment of the invention. Thejacket310 may be constructed in various sizes to fit a variety of users. Theheated jacket310 is capable of maintaining a temperature of up to110 degrees Fahrenheit, although in further embodiments lower or greater temperatures are possible depending upon the heat source. Thejacket310 includes typical jacket features such as atorso body312,arms314, a back315, acollar316, and front pockets318. Thejacket310 further includes a heating system having multiple heating zones. Afront face320 of thejacket310 includes acontrol input321 that is itself sealed or has a sealed connection to the jacket, such that thecontrol input321 is protected from environmental conditions. In the illustrated embodiment, thecontrol input321 is configured to be actuated by a user to direct the control of the jacket heating system and heating zones. As illustrated inFIG. 16A and explained in greater detail below, thecontrol input321 includes threezone control buttons322a,322b, and322cand an on/offbutton323. Further, each of thezone control buttons322a,322b,322cand the on/offbutton323 include adisplay portion324a,324b,324c,324d(FIG. 20; e.g., a LED or other type of illumination embedded into each of the above buttons), respectively, to indicate the status of the jacket based on the inputs associated with pressing these buttons. In other embodiments, the display portion324 may be configured as a single display panel or display lights/illumination separate from the above buttons. Further, thecontrol input321 may be configured at different locations on the outside or the inside of the jacket, may be configured with different orientations for the buttons, and may be separated into multiple control inputs at different locations on the jacket.
• As illustrated in cutaway portions ofFIGS. 14 and 15, thejacket310 includes a heating system made up of afirst heater array326 and asecond heater array327. Thefirst heater array326 is disposed in both aleft portion328 and aright portion330 of thetorso body312. Thesecond heater array327 is disposed in theback315. The heating system is further made up of a third heater array329 (FIG. 20) disposed in the front pockets318. The heating arrays may include resistive heating coils formed of carbon fibers, high density carbon fibers, or other heating devices. In other embodiments, the heating system may include a fourth heater array (not shown) disposed in thearms314 and/or a fifth heat array (not shown) disposed in thecollar16, and/or additional heater arrays, and may further have different configurations of the heater arrays, as the different heater arrays may be alternatively configured to extend into or be removed from other parts of thejacket310.
• As illustrated inFIG. 15, theheated jacket310 includes acompartment332 located on a lower portion of theback torso body315. Thecompartment332 houses an electrical component, such as abattery pack338 and abattery holder336. As illustrated inFIG. 16B, thecompartment332 includes azipper334, providing selective access by a user to thecompartment332 in order to access thebattery pack338 and other electrical components.FIG. 17 illustrates one example of abattery holder336. Thebattery holder336 is configured to receive thebattery pack338, such as thebattery pack338 illustrated inFIG. 18. Thebattery holder336 also includes a USB-type port337 for communicating with and charging other devices, such as a digital media player, an iPOD®, or similar device
• Referring toFIG. 18, thebattery pack338 is a lithium-based, rechargeable battery pack. Thebattery pack338 is removably and interchangeably connected to thebattery holder336 to provide power to thejacket310 during operation and to facilitate recharging of thebattery pack338 when not in use. In some embodiments, thebattery pack338 may be used with other types of cordless, battery-powered tools or devices. For example, thebattery pack338 may be usable with a drill, a PVC pipe cutter, an impact driver, and a metal pipe cutter, or other tools. Thebattery pack338 may also be usable with a non-motorized sensing device such as a thermal imaging camera, a micro-inspection camera, a wall scanner, a digital multimeter, a thermometer, and a gas detector. A variety of such tools and devices are illustrated inFIG. 26. Furthermore, thebattery pack338 may be used with other power tools or sensing devices not specifically discussed herein.
• As illustrated inFIGS. 18 and 19, thebattery pack338 includes acasing340, anouter housing342 coupled to thecasing340, and a plurality ofbattery cells344 positioned within thecasing340. Thecasing340 is shaped and sized to fit within acavity346 of thebattery holder336 illustrated inFIG. 17, or alternatively, in a power tool or non-motorized sensing device to connect thebattery pack338 to the tool or device. Thecasing340 includes anend cap348 to substantially enclose thebattery cells344 within thecasing340. Theillustrated end cap348 includes twopower terminals350 configured to mate with corresponding power terminals360 (FIG. 20) extending within thecavity346 of thebattery holder336. In other embodiments, theend cap348 may also include sense or communication terminals that are configured to mate with corresponding terminals within the battery holder or a tool. Theouter housing342 includes a latchingarrangement352 for positively engaging thebattery pack338 with thebattery holder336. The latchingarrangement352 includes latchingtabs354 andresilient actuating portions356. The latchingtabs354 are configured to engage corresponding recesses within thecavity346 of thebattery holder336. Theresilient actuating portions356 are coupled to the latchingtabs354 and are configured for a user to selectively disengage the latchingtabs354 from thebattery holder336.
• As shown inFIG. 19, thebattery pack338 includes threebattery cells344 positioned within thecasing340 and electrically coupled to theterminals350. The battery cells provide operational power (e.g., DC power) to thejacket310 or other device. In the illustrated embodiment, thebattery cells344 are arranged in series, and each battery cell has a nominal voltage of approximately four-volts (4.0V), such that thebattery pack338 has a nominal voltage of approximately twelve-volts (12V). Thecells344 also have a capacity rating of approximately 1.4 Ah. In other embodiments, thebattery pack338 may include more orfewer battery cells344, and thecells344 can be arranged in series, parallel, or a serial and parallel combination. For example, thebattery pack338 can include a total of six battery cells in a parallel arrangement of two sets of three series-connected cells. The series-parallel combination of battery cells creates a battery pack having a nominal voltage of approximately 12V and a capacity rating of approximately 2.8 Ah. In other embodiments, thebattery cells344 may have different nominal voltages, such as, for example, 3.6V, 3.8V, 4.2V, etc., and/or may have different capacity ratings, such as, for example, 1.2 Ah, 1.3 Ah, 2.0 Ah, 2.4 Ah, 2.6 Ah, 3.0 Ah, etc. In other embodiments, thebattery pack338 can have a different nominal voltage, such as, for example, 10.8V, 14.4V, etc. In the illustrated embodiment, thebattery cells344 are lithium-ion battery cells having a chemistry of, for example, lithium-cobalt (Li—Co), lithium-manganese (Li—Mn), or Li—Mn spinel. In other embodiments, thebattery cells344 may have other suitable lithium or lithium-based chemistries.
• Theheated jacket310 includes control circuitry for the heating system having multiple heating zones.FIG. 20 is an electrical block diagram of theheated jacket310. Abattery controller358 receives electricity from thebattery pack338 via battery terminals360 (disposed within the battery holder336). Thebattery controller358 may be configured to monitor a state of charge of thebattery pack338 and, if necessary, shutdown theheater array326.
• As shown inFIG. 20, aheater controller362 receives inputs from thecontrol input321 and selectively powers theheater arrays326,327,329 depending upon a desired thermal output. Thedisplay portion324a,324b,324c,324d, associated with the particular control input button described above, is illuminated based upon the current status of that input button. Theheater controller362 may be configured to monitor a plurality of conditions of thejacket310 including, but not limited to, an amount of current drawn by theheater arrays326,327,329. Thecontrollers358,362 are, for example, microprocessors, microcontrollers, or the like, and are configured to communicate with one another. In the illustrated embodiment, thebattery controller358 provides information to theheater controller362 related to a battery pack temperature or voltage level. Theheater controller362 and thebattery controller358 also include low voltage monitors and state-of-charge monitors. The monitors are used to determine whether thebattery pack338 is experiencing a low voltage condition, which may prevent proper operation of theheater arrays326,327,329 or if thebattery pack338 is in a state-of-charge that makes thebattery pack338 susceptible to being damaged. If such a low voltage condition or state-of-charge exists, theheater arrays326,327,329 are shut down or thebattery pack338 is otherwise prevented from further discharging current to prevent the battery pack from becoming further depleted.
• In the illustrated embodiment, the heating system andheating arrays326,327,329 are configured to be actuated via the control input321 (FIG. 14). The on/offbutton323 is configured to turn the heating system on and off and also is configured to change thermal output setting of the heating system, including a high thermal output setting, a medium thermal output setting, and low thermal output setting. More specifically, the on/off button is configured to turn the heating system on after being pressed and held for a designated period of time (e.g., 1.5 seconds), such that allheating arrays326,327,329 are turned on and automatically set to an initial predetermined thermal output setting. Subsequent presses of the on/off button change the thermal output setting according to sequence, such that the next press of the on/off button changes the heating system to the high thermal output setting. A further press of the on/off button changes the heating system to the medium thermal output setting. A further press of the on/off button changes the heating system to the low thermal output setting. A further press of the on/off changes the heating system back to the high thermal output setting to complete the sequence of high, medium, low, high, medium, low, and so on. The heating system is on, if any of theheating arrays326,327,329 are on. The on/off button is configured to turn the heating system off after being pressed and held for designated period of time (e.g., 1.5 seconds). In other embodiments, it is conceivable that the number of thermal output settings, the initial thermal output setting, and the sequence of thermal output settings could vary.
• While the heating system is on, thezone control buttons322a,322b,322care each configured to turn a particular heater array on and off. More specifically,zone control button322ais configured to turn thefirst heater array326 on and off,zone control button322bis configured to turn thesecond heater array327 on and off, andzone control button322cis configured to turn thethird heater array329 on and off. Subsequent presses of any one of the zone control buttons switches alternate the associated heating array between on and off. In other embodiments, it is conceivable that multiple heater arrays may be controlled individually via a single control input button or multiple control input buttons.
• Theheated jacket310 illustrated inFIGS. 14 and 15 may be operated as follows. To turn on theheated jacket310, a user presses and holds the on/offbutton323 for a designated period of time (e.g., 1.5 seconds). When first turned on, theheater controller362 causes theheated jacket310 to enter pre-heat mode. Theheated jacket310 remains in a pre-heat mode for a period (e.g., five minutes) and then theheater controller362 switches theheater arrays326,327,329 to a medium thermal output setting. The user may adjust the thermal output setting by actuating the on/offbutton323, as discussed above. Each press of the on/offbutton323 will cycle theheater controller362 through one of a sequence of thermal output settings (e.g., high, medium, low). In order to turn off theheated jacket10, the user presses and holds the on/off button for a designated period of time (e.g., 1.5 seconds).
• As mentioned previously, thecontrol input buttons322a,322b,322c,323 each include an illuminateddisplay portion324a,324b,324c,324dto indicate a status of the heating system. As discussed above, the display portion may be, for example, one or more LEDs. Thedisplay portions324a,324b,324cilluminate to indicate that their associated heating arrays are on. In the pre-heat mode, thedisplay portion324don the on/offbutton323 flashes red. At a low thermal output setting, thedisplay portion324dglows blue. At a medium thermal output setting, thedisplay portion324dglows white. At a high thermal output setting, thedisplay portion324dglows red. Other embodiments may use various other colors or light patterns to indicate thermal output settings. Still other embodiments may indicate a state of charge of thebattery pack338.
• Various modifications of the control method or sequence are possible. For example, in other embodiments, the user may select a desired temperature rather than a thermal output setting.
• FIG. 21 illustrates aheated jacket410 according to another embodiment of the invention. Theheated jacket410 may be constructed in various sizes to fit a variety of users.FIG. 22 is an enlarged view of aheating module464, which is coupled to an outside surface of thejacket410 by way of astrap466. Alternatively, theheating module464 may be coupled to an inner surface of thejacket410 or disposed inside of an inner pocket of thejacket410.
• Theheating module464 includes a battery pack holder436 (FIGS. 23 and 24) and a battery pack338 (FIG. 18). Theheating module464 is electrically coupled to one or more heating coils (not shown) positioned within thejacket410 to heat the jacket and provide heat to a user wearing the jacket. In the illustrated embodiment, multiple heating coils are employed and positioned in various locations, or zones, within the jacket. For example, separate heating coils may be positioned in an upper torso area and a lower torso area, in a back area, and in front pockets, and may be separately controllable by the user. In further embodiments, a single heating coil may be used, or the heating coils may be positioned at other locations within the jacket, (e.g., the back, arms, etc.).
• FIGS. 23 and 24 illustrate thebattery holder436 of theheating module464 in greater detail. With reference toFIG. 23, thebattery holder436 includes anaperture468 for receiving an end of a cord (not shown), the cord being connected to the one or more heating coils and including a male connector terminal. A female connector (not shown) is positioned within thebattery holder436 adjacent theaperture468 to receive the male connector and form an electrical connection between the heating coils and thebattery pack338. Thebattery holder436 also includes ahook470 for securing the cord disposed between the connector and thejacket410, and aUSB port475 for communicating with and charging other devices, such as a digital media player, an iPOD®, or similar device.
• With further reference toFIG. 23, thebattery holder436 includes ahousing portion472 for electrical components, including a circuit board (not shown). Thehousing portion472 includes a first on/offbutton474, threezone control buttons476a,476b,476c, and adisplay478. Thefirst button174 and thezone buttons476a,476b,476care capable of communicating with the electrical components. In the illustrated embodiment, the on/offbutton474 andzone control buttons476a,476b,476care configured and operate similarly to the abovecontrol input buttons322a,322b,322c,323. In the illustrated embodiment ofFIG. 25, thedisplay478 is a seven segment display for representing a heating level indicative of the temperature of the heating coils.
• With reference toFIG. 24, thebattery holder436 includes apower indicator482, such as a light emitting diode (LED) that displays to the user when lit that the battery is connected, the heating coils are on, or the like. A portion of thebattery holder436 defines abattery port484 for receiving the battery pack338 (FIG. 18). In other embodiments, thebattery holder436 includes a fuel gauge that displays the amount of battery power remaining
• FIG. 27 illustrates aheated jacket488 according to another embodiment of the invention. The jacket188 includes anouter shell492 with left and right front pockets496 and498, and achest pocket502.FIG. 38 illustrates arear compartment506 of thejacket488. Referring toFIG. 30, theheated jacket488 includes aheating system510 including acore heater array514 and apocket heater array518. Thecore heater array514 includes a rightchest heating module522, a leftchest heating module526, and aback heating module530. Thepocket heater array518 includes a rightpocket heating module534 and a leftpocket heating module538. Theheater arrays514 and518 may include resistive heating coils formed of carbon fibers, high density carbon fibers, or other heating devices.
• Thecore heater array514 andpocket heater array518 are controlled via aheater control module542. Theheater control module542 is coupled to achest portion546 of the jacket488 (FIG. 27). Referring toFIG. 28 anexternal surface550 of theheater control module542 provides access to a firstheater control button554 and a secondheater control button558. The firstheater control button554 may be, for example a control input for the core heater array514 (FIG. 30), while the secondheater control button558 may be, for example, a control input for thepocket heater array518.
• Referring toFIG. 29, the firstheater control button554 and the secondheater control button558 are coupled to a printed circuit board (PCB)562 of theheater control module542. Each of thefirst control button554 and thesecond control button558 has an array of light emitting diodes (LEDs)566 associate with it. More specifically, each button has associated with it a first pair of LEDs (e.g., red LEDs)570, a second pair of LEDs (e.g., white LEDs)574, and a third pair of LEDs (e.g., blue LEDs)578. TheLEDs566 illuminate theexternal surface550 of the heater control module542 (FIG. 28) to provide indication of a control mode of the core heater array514 (as selected by the first button554) or the pocket heater array518 (as selected by the second button558). For example, illumination of thered LEDs570 may indicate a high thermal output setting, illumination of thewhite LEDs574 may indicate a medium thermal output setting, and illumination of theblue LEDs578 may indicate a low thermal output setting. Theheater arrays514 and518 are indicated as being off when no LED is illuminated.
• To turn on either of theheater arrays514 or518, aheater control button554 or558, respectively, is pressed by the user and held for a period of, for example, 0.5-2.5 seconds. A temperature setting (e.g., high, medium, or low) of thecore heater array514 orpocket heater array518 may be selected by again pressing the respective firstheater control button554 or the secondheater control button558. Theheater arrays514,518 may be turned off by pressing and holding the respectiveheater control buttons554,558 for a period of 0.5 to 2.5 seconds.
• FIG. 31 is an electrical block diagram of theheated jacket488. Abattery receptacle482 receives electricity from a battery pack (e.g., thebattery pack338 ofFIG. 5) and supplies electricity to theheater control module542 for distribution to theheater arrays514,518.FIG. 32 illustrates thebattery receptacle582 according to a first configuration. Thebattery receptacle582 is configured to receive the12 volt lithium-ion battery pack338 (FIG. 18). Aheater supply cable586 from theheater control module542 is detachably coupled thebattery receptacle582. Thebattery receptacle582 also includes anaccessory port590. Theaccessory port590 may be in the form of a USB outlet for receiving aUSB cable594. The USB cable may, in turn, be coupled to an accessory device such as smart phone or MP3 player. Referring toFIG. 33, thebattery receptacle582 includes a battery state-of-charge indicator598. A state-of-charge may be indicated by the illumination of one or more LEDs.
• FIG. 34 illustrates abattery receptacle602 according to another configuration. Thebattery receptacle602 is configured to receive, for example, an18 volt lithium-ion battery pack606.
• FIG. 35 illustrates anadapter610 that may be used with the heated jacket in place of a battery and battery receptacle. Theadapter610 includes aninput plug614 for mating with a 12V outlet cigarette lighter-type socket of a motor vehicle. Anoutput plug618 connects toheated jacket488.
• Referring toFIG. 31, theheater control module542 may also interface with aheated accessory device622. When aheated accessory device622 is coupled to thejacket488 and detected by theheater control module542, theheater control module542 deactivates thepocket heater array518 and selective provides power to theheated accessory device622. The secondheater control button558 may then be used to control a thermal output setting of theaccessory device622 in a manner similar to that used to control thepocket heater array518.
• FIG. 36 illustrates an exemplary heatedaccessory device622, in the form of an electricallyheated glove622. Eachglove622 includes a resistive heating element. Apower cord626 is coupled to the heating element. Thepower cord626 includes aconnector630 for connecting to the electrical system of theheated jacket488.
• FIG. 37 illustrates theheated gloves622 connected to aleft sleeve portion634 and aright sleeve portion638 of a heated jacket. Anaccessory power port642 is coupled to eachsleeve portion634,638. Theaccessory power ports642 include abody646 that is coupled to anouter surface650 of thesleeves634,638 by sewing, rivets, adhesives or other attachment means. Thebody646 defines a power receptacle. The power receptacle is in electrical communication with the heater control module542 (FIG. 31). Each power receptacle is configured to receive theconnector630 of thepower cord626 of a heated accessory device322, such that the device is selectively powered by theheater control module542.
• FIGS. 38-41 illustrate accessory wire routing features that may be incorporated into a heated jacket, such as theheated jacket488 ofFIG. 27. Referring toFIG. 38, therear compartment506 may serve, for example, to hold and secure the battery receptacle582 (FIG. 32) and battery338 (FIG. 18).Grommets650 are coupled to thejacket shell492 inside therear compartment506. Thegrommets650 surround openings through the jacket shell.FIGS. 39-41 illustrate aliner654 of thejacket488. Thejacket488 defines an open space between the outer shell492 (FIG. 38) and the liner654 (FIGS. 39-41).Grommets650 are coupled to theliner654 and surround openings through theliner654. Thegrommets650 facilitate the passage of accessory wires from theliner654, through the open space, and through theouter shell492 to therear compartment506. For example, a USB-type wire594 of a device may be coupled to theaccessory port590 of a battery receptacle582 (FIGS. 32-33) that is stored in the rear compartment (FIG. 38)506.
• Referring toFIGS. 39-41, additional wire routing features are coupled to thejacket liner654. These additional features includewire routing tabs658 andwire routing channels662.
• Thewire routing tabs658 include acloth tab member664 that is sewn to theliner654 along atab seam666. Opposite thetab seam666, hook andloop fasteners670 are coupled to thetab members662 andjacket liner654, to facilitate capturing a section of wire (e.g.,594) between theliner654 and thetab member664.
• Thewire routing channels662 include acloth channel member674 that is sewn to theliner654 along achannel seam678. Opposite thechannel seam678, hook andloop fasteners670 are coupled to thechannel member674 and thejacket liner654, to facilitate capturing a section ofwire594 between theliner654 and thechannel member674. In other embodiments, the hook andloop fasteners670 of thewire routing tabs658 andwire routing channels662 may be replaced with buttons, snaps, or other types of fasteners.
• FIGS. 42 and 43 illustrate ajacket682 according to another embodiment of the invention. Thejacket682 may incorporate heater and heater control features similar to those described with respect to the jacket310 (FIG. 14) or the jacket488 (FIG. 27), or various combinations thereof.Reflective strips686 are coupled to anouter shell690 of thejacket682. Thereflective strips686 may be sewn onto theouter shell690 of thejacket682, or they may be adhesively bonded to theouter shell690. In still other embodiments, thereflective strips686 may be painted onto theouter shell690 of the jacket.
• Although the invention has been described in detail with reference to certain preferred embodiments, variations and modifications exist within the scope and spirit of one or more independent aspects of the invention as described.

Claims (20)

1. An article of clothing comprising:

a garment body;

a heating system coupled to the garment body, the heating system including a plurality of heating zones configured to heat different portions of the garment body;

a battery pack for supplying power to the heating system;

a controller for selectively providing power from the battery pack to the heating zones; and

a user input member for selecting a mode of the controller.

2. The article of clothing ofclaim 1, wherein the user input member includes a first zone control button and a second zone control button to selectively control a respective first heating zone and a second heating zone of the multiple heating zones.

3. The article of clothing ofclaim 2, wherein the first zone control button selectively switches the first heating zone between an on mode and an off mode.

4. The article of clothing ofclaim 3, wherein the on mode includes a plurality of selectable thermal output levels.

5. The article of clothing ofclaim 1, wherein the user input member includes a display portion.

6. The article of clothing ofclaim 5, wherein the display portion is illuminated.

7. The article of clothing ofclaim 6, wherein the illumination indicates a control mode of each heating zone.

8. The article of clothing ofclaim 6, wherein illumination indicates a thermal output level of each heating zone.

9. The article of clothing ofclaim 1, wherein the user input member is coupled to an outside surface of the jacket.

10. The article of clothing ofclaim 1, wherein the controller is configured to monitor a condition of each heating zone.

11. The article of clothing ofclaim 1, wherein each heating zone is defined by at least one heater array.

12. The article of clothing ofclaim 9, wherein a first heater array is disposed in both a left portion and a right portion of a torso body of the garment body, and a second heater array is disposed in a back portion of the garment body.

13. A method of operating a garment heated by a first electric heater and a second electric heater, powered by a battery pack, and controlled by a controller via a first user input and a second user input, the method comprising:

actuating the first user input to cause the first electric heater to enter a first thermal output mode;

actuating the second user input to cause the second electric heater to enter a second thermal output mode;

illuminating the first user input in response to entering the first thermal output mode;

illuminating the second user input in response to entering the second thermal output mode;

heating a first zone of the garment with the first electric heater, and heating a second zone of the garment with the second electric heater

14. The method ofclaim 13, further comprising:

actuating the first user input to cause the first electric heater to enter an off mode; and

actuating the second user input to cause the second electric heater to enter an off mode.

15. The method ofclaim 13, further comprising:

actuating the first user input to cause the first electric heater to enter a third thermal output mode different from the first thermal output mode and the off mode.

16. The method ofclaim 15, further comprising:

actuating the second user input to cause the second electric heater to enter a fourth thermal output mode different from the second thermal output mode and the off mode.

17. The method ofclaim 15, further comprising:

illuminating the first user input member in response to entering the third thermal output mode.

18. The method ofclaim 13, further comprising:

monitoring a state of charge of the battery pack and causing the first electric heater and the second electric heater to enter the off mode in response to the state of charge.

19. The method ofclaim 13, further comprising powering a portable accessory device with battery pack.

20. The method ofclaim 19, wherein the portable accessory device is a power tool.

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