CN107928863A - Hand-rail type hand warmer - Google Patents
Hand-rail type hand warmer Download PDFInfo
- Publication number
- CN107928863A CN107928863A CN201711146419.8A CN201711146419A CN107928863A CN 107928863 A CN107928863 A CN 107928863A CN 201711146419 A CN201711146419 A CN 201711146419A CN 107928863 A CN107928863 A CN 107928863A
- Authority
- CN
- China
- Prior art keywords
- hand
- housing
- heating element
- light bulb
- rail type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0001—Body part
- A61F2007/0029—Arm or parts thereof
- A61F2007/0036—Hand
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
- A61F2007/0077—Details of power supply
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
Hand-rail type hand warmer provided by the invention, has the feature that, including：Housing, including the first housing and the second housing；Heating element, is arranged in first shell body；Light bulb, is arranged on the first housing, is connected in parallel with heating element；Hand-operated electricity generation device, for providing electricity to heating element and light bulb, including sets hand generator and joystick；Power source charges device, for providing electricity, including charging wire, charge member and storage battery to heating element and light bulb；Power switch, is connected for the output terminal with hand generator or is connected with the output terminal of storage battery；And central controller, including：Temperature sensor, for detecting housing real time temperature；Display control unit, including LED display and control unit, LED display are used to input preset temperature, Switching power source, the on or off for selecting light bulb and display preset temperature and housing real time temperature；And control circuit, it is connected respectively with power switch, heating element and light bulb.
Description
Technical field
The present invention relates to a kind of hand warmer, and in particular to a kind of hand-rail type hand warmer.
Background technology
Generator refers to the mechanical equipment into electric energy by the energy conversion of other forms.Its operation principle is based on electromagnetic induction
Law and law of electromagnetic force.Therefore, the rule of its construction is：Formed with appropriate magnetic conduction and conductive material and carry out electricity mutually
The magnetic circuit and circuit of magnetic induction, to produce electromagnetic power, achieve the purpose that energy is changed.
Generator is usually made of components such as stator, rotor, end cap and bearings.Stator is by stator core, line winding, machine
Seat and the other structures part composition for fixing these parts.Rotor is by rotor core (or magnetic pole, magnetic are gripped) winding, retaining ring, center
The components such as ring, slip ring, fan and shaft form.The stator of generator, rotor are assembled by bearing and end cap, make to turn
Son can rotate in the stator, do the movement of cutting magnetic line, so as to produce induced potential, drawn, be connected on back by wire connection terminal
Lu Zhong, just generates electric current.
The power of hand generator is manpower, structure and common generator it is basically identical, but hand generator is more
Green, low-carbon, environmental protection.
Hand warmer is the automatic heating health treatment with physics and principles of chemistry development.Hand warmer is broadly divided at present
Three kinds：It is a kind of to be generated heat with by heating water, that is, our electric hot-water bags for being commonly called as, it is different with traditional hot-water bottle,
Electric hot-water bag eliminates the trouble for adding water, as long as the upper more than ten minutes such as plug in can just generate heat, actually the water of the inside
Boil, so general temperature can be very high；A kind of to be generated heat by chemically reacting, most of hand warmer on the market belongs to this
Type, generally produces heat, about 40 DEG C or so of temperature by the contact of the chemical substance inside hand warmer；One kind is to use
Lithium battery function, inner heat piece fever, using USB interface discharge and recharge, while can use, compact as mobile power,
Handy to carry about, temperature can reach 50 DEG C or so.
But these above-mentioned hand warmers or need to add water, the waste of manpower and water resource is caused, or need electricity consumption and chemistry
Material, does not meet the theory of low-carbon environment-friendly, and there are certain security risk, and these above-mentioned hand warmers are required for exterior energization
Energy supply, is not suitable for using under conditions of without electricity or power deficiency.
The content of the invention
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of hand-rail type hand warmer.
The present invention provides a kind of hand-rail type hand warmer, have the feature that, including：Housing, including the first housing and
The second housing being removably mounted on the first housing, second housing are that can open and the internal shell with accommodating chamber
Body；Heating element, is arranged in first shell body；Light bulb, is arranged on the first housing, is connected in parallel with heating element；Hand hair
Electric installation, while be connected in series with heating element and light bulb, for providing electricity to heating element and light bulb, including it is arranged on first
Hand generator in housing and the joystick being removably mounted on hand generator；Power source charges device, with hand hair
Electric installation is connected in parallel, for providing electricity to heating element and light bulb, including charging wire, the charging member that is arranged on the first housing
Part and the storage battery being connected with the charge member；Power switch, is arranged on the first housing, for the output with hand generator
End connection is connected with the output terminal of storage battery；And central controller, including：Temperature sensor, is arranged on the first housing
It is interior, for detecting housing real time temperature；Display control unit, is arranged on the first housing, including LED display and control unit,
LED display is used to input preset temperature, Switching power source, the on or off for selecting light bulb and display preset temperature and housing
Real time temperature；And control circuit, it is connected respectively with power switch, heating element and light bulb, control circuit is in control unit
Control under heating element is connected with hand-operated electricity generation device according to the selection result of power source or by heating element and power supply
Charging unit connects, and by heating element and hand-operated electricity generation device or power source charges after housing real time temperature reaches preset temperature
Device disconnects, and control circuit is under the control of the control unit according to the switch selection result of light bulb by light bulb and hand-operated electricity generation device
Connected or disconnected or light bulb is connected or disconnected with power source charges device.
In hand-rail type hand warmer provided by the invention, it can also have the feature that：Wherein, the first housing and second
Housing is spheroid, cylinder, square or cuboid.
In hand-rail type hand warmer provided by the invention, it can also have the feature that：Wherein, the first housing and second
The material of housing is ABS, PVC or PC.
In hand-rail type hand warmer provided by the invention, it can also have the feature that：Wherein, the inside of the first housing
Equipped with the heat-storing material for heat accumulation, heat-storing material is paraffin.
In hand-rail type hand warmer provided by the invention, it can also have the feature that：Wherein, heating element is electric heating
Silk, electric hot plate, electric hot tray or ceramic heating plate.
In hand-rail type hand warmer provided by the invention, it can also have the feature that：Wherein, hand-operated electricity generation device is also
The stopple to match including connecting hole and with the connecting hole, connecting hole be arranged on the first housing and with the input of hand generator
End connection, for installing joystick.
In hand-rail type hand warmer provided by the invention, it can also have the feature that：Wherein, charge member is socket
Or USB interface.
In hand-rail type hand warmer provided by the invention, it can also have the feature that：Wherein, LED display is tactile
Screen formula display screen.
In hand-rail type hand warmer provided by the invention, it can also have the feature that：Wherein, LED display also has
Have unit selected section, for allow user select displays temperature unit, unit for degree Celsius or degrees Fahrenheit.
The effect of invention
Involved hand-rail type hand warmer according to the present invention, because the second housing is can open and internal have accommodating chamber
Housing, some small articles such as charging wire, joystick, earphone can be accommodated, easy to store.
In addition, hand generator and joystick are employed, when user is in outdoor for a long time and can not find power supply
During plug, user can shake joystick by human hand and promote hand generator to generate electricity, and realize the target of power itself, so that
Achieve the purpose that heat production, while that the blood of people can be promoted to follow is bad for hand movement, makes one itself heat production increase, reaches resisting cold effect.
The hand warmer is also provided with charge member at the same time, easy to quickly heat the hand warmer, so as to meet indoor crowd's heating needs.
Further, the temperature sensor of central controller can gather case temperature and be shown in advance by LED display
If temperature and housing real time temperature, the temperature of the hand warmer is checked easy to user, prevents from scalding；Meanwhile user can pass through
LED display selects the on-off of power source and light switch, so that control circuit root under the control of the control unit
Heating wire is connected with hand-operated electricity generation device according to the selection result of power source or connects heating wire with power source charges device, and
Heating wire and hand-operated electricity generation device or power source charges device are disconnected after housing real time temperature reaches preset temperature, and then are easy to
User switches power supply mode and controls the on or off of light bulb.
Further, which has light bulb, can provide emergency lighting, convenient for users to going on a journey at night.
So hand-rail type hand warmer of the invention have the advantages that it is portable, energy saving and safe.
Brief description of the drawings
Fig. 1 is the structure diagram of hand-rail type hand warmer in the embodiment of the present invention；
Fig. 2 is the circuit connection diagram of hand-rail type hand warmer in the embodiment of the present invention.
Embodiment
In order to make the technological means realized and effect of the invention easy to understand, with reference to embodiments and attached drawing is to this
Invention is specifically addressed.
<Embodiment>
Fig. 1 is the structure diagram of hand-rail type hand warmer in the embodiment of the present invention, and Fig. 2 is hand in the embodiment of the present invention
Shake the circuit connection diagram of formula hand warmer.
As depicted in figs. 1 and 2, hand-rail type hand warmer 100 includes housing 10, heating element 20, light bulb 30, hand power dress
Put 40, power source charges device 50, power switch 60 and central controller 70.
Housing 10 includes the first housing 11 and the second housing 12.
The heat-storing material (not shown) being internally provided with for heat accumulation of first housing 11, heat-storing material are paraffin, energy
The heat absorption and storage that enough heating element 20 is produced are got off, so as to extend the duration of case temperature.
Second housing 12 is removably mounted on the first housing 11, and second housing 12 is can open and internal tool
There is the housing of accommodating chamber, can be used for accommodating some small articles such as charging wire, joystick, earphone, easy to store.
In the present embodiment, the first housing and the second housing are spheroid, material ABS.
As shown in Fig. 2, heating element 20 is arranged in the first housing 11, for converting electric energy to thermal energy.In this implementation
In example, heating element 20 is heating wire.
As shown in Figure 1, light bulb 30 is arranged on the first housing 11, for night illumination, it is connected in parallel with heating element 20.
As depicted in figs. 1 and 2, hand-operated electricity generation device 40 is connected in series with heating element 20 and light bulb 30 at the same time, for
Heating element 20 and light bulb 30 provide electricity, including hand generator 41, joystick 42, connecting hole 43 and stopple (do not show in figure
Go out).
Hand generator 41 is arranged in the first housing 11.
Joystick 42 is removably mounted on hand generator 41, and second is can be placed in when joystick 42 is not used
In housing 12.
Connecting hole 43 is arranged on the first housing 11 and is connected with the input terminal of hand generator 41, for installing joystick
42。
Stopple matches with connecting hole 43, and when joystick 42 is not used, stopple clogs connecting hole 43, prevents dust etc.
Foreign matter is fallen into.
As depicted in figs. 1 and 2, power source charges device 50 is connected in parallel with hand-operated electricity generation device 40, for heating element
20 and light bulb 30 electricity is provided, including charging wire (not shown), the charge member 51 that is arranged on the first housing 11 and with this
The storage battery 52 that charge member 51 connects, in the present embodiment, charge member 51 is USB interface.
As depicted in figs. 1 and 2, power switch 60 is arranged on the first housing 11, for the output with hand generator 41
End connection be connected with the output terminal of storage battery 52, according to after the selection of user connection related circuit to heating element 20 and lamp
Bubble 30 provides electricity.
As shown in Fig. 2, central controller 70 includes temperature sensor (not shown), display control unit (in figure not
Show) and control circuit (not shown).
Temperature sensor is arranged in the first housing 11, for detecting housing real time temperature.
As shown in Figure 1, display control unit is arranged on the first housing 11, including LED display 71 and control unit, LED
Display screen 71 is used to input preset temperature, Switching power source, the on or off for selecting light bulb 30 and display preset temperature and shell
Body real time temperature.
Control circuit is connected with power switch 60, heating element 20 and light bulb 30 respectively.
Control circuit is under the control of the control unit according to the selection result of power source by heating element 20 and hand hair
Electric installation 40 connects or connects heating element 20 with power source charges device 50, and after housing real time temperature reaches preset temperature
Heating element 20 and hand-operated electricity generation device 40 or power source charges device 50 are disconnected.
Meanwhile control circuit under the control of the control unit according to the switch selection result of light bulb 30 by light bulb 30 with it is hand
Power generator 40 is connected or disconnected or light bulb 30 is connected or disconnected with power source charges device 50, so night into
Row illumination.
The course of work of hand-rail type hand warmer 100 is as follows：
User according to by power switch 60 select power source, after by LED display 71 input preset temperature, cut
Power source is changed, the on or off of light bulb 30 is selected and checks preset temperature and housing real time temperature.
When user is outdoor and carry out warm hand using hand generation type when can not find attaching plug, user pulls down
Stopple, joystick 42 is taken out out of second housing 12 and is installed on by connecting hole 43 on the input terminal of hand generator 41,
It is connected at the same time by power switch 60 with the output terminal of hand generator 41, user shakes joystick 42 by human hand and promotes hand
Shake generator 41 to generate electricity, be powered to heating element 20, after housing real time temperature reaches preset temperature, control circuit is being controlled
Heating element 20 and hand-operated electricity generation device 40 are disconnected under the control of unit processed.
When user indoors when can use rechargeable carry out warm hand, user passes through power switch 60 and storage battery 52
Output terminal connects, and then connects power outlet and charge member 51 by charging wire, powers to heating element 20, real-time in housing
After temperature reaches preset temperature, control circuit under the control of the control unit breaks heating element 20 and power source charges device 50
Open.
The unlatching of light bulb 30 is selected by LED display when user's night is outgoing, you can it is powered to light bulb 30,
Easy to night trip.
The effect of embodiment
According to hand-rail type hand warmer provided in this embodiment, because the second housing is can open and internal have accommodating chamber
Housing, some small articles such as charging wire, joystick, earphone can be accommodated, easy to store.
In addition, hand generator and joystick are employed, when user is in outdoor for a long time and can not find power supply
During plug, user can shake joystick by human hand and promote hand generator to generate electricity, and realize the target of power itself, so that
Achieve the purpose that heat production, while that the blood of people can be promoted to follow is bad for hand movement, makes one itself heat production increase, reaches resisting cold effect.
The hand warmer is also provided with charge member at the same time, easy to quickly heat the hand warmer, so as to meet indoor crowd's heating needs.
Further, the temperature sensor of central controller can gather case temperature and be shown in advance by LED display
If temperature and housing real time temperature, the temperature of the hand warmer is checked easy to user, prevents from scalding；Meanwhile user can pass through
LED display selects the on-off of power source and light switch, so that control circuit root under the control of the control unit
Heating wire is connected with hand-operated electricity generation device according to the selection result of power source or connects heating wire with power source charges device, and
Heating wire and hand-operated electricity generation device or power source charges device are disconnected after housing real time temperature reaches preset temperature, and then are easy to
User switches power supply mode and controls the on or off of light bulb.
Further, which has light bulb, can provide emergency lighting, convenient for users to going on a journey at night.In addition, the
The heat-storing material being internally provided with for heat accumulation of one housing, the heat-storing material are paraffin, and the temperature that can extend the hand warmer is held
The continuous time.Hand power unit further includes connecting hole and the stopple to match with the connecting hole, and connecting hole is arranged on the first housing
Above and with the input terminal of hand generator it is connected, for installing joystick, when joystick, stopple can block connection when not in use
Hole, prevents the foreign matters such as dust from falling into.
So hand-rail type hand warmer of the invention have the advantages that it is portable, energy saving and safe.
The above embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.
In the present embodiment, the first housing and the second housing are spheroid, and material is ABS, and heating element is heating wire,
Charge member is USB interface.But in the present invention, the first housing and the second housing can also be spheroid, cylinder, pros
Body or cuboid, material can also be ABS, PVC or PC, and heating element can also be heating wire, electric hot plate, electric hot tray or ceramics
Fever tablet, charge member can also be socket or USB interface.
Claims (9)
- A kind of 1. hand-rail type hand warmer, it is characterised in that including：Housing, including the first housing and the second housing being removably mounted on first housing, which is can Opening and the internal housing with accommodating chamber；Heating element, is arranged in the first shell body；Light bulb, is arranged on first housing, is connected in parallel with the heating element；Hand-operated electricity generation device, while be connected in series with the heating element and the light bulb, for the heating element and institute State light bulb and electricity is provided, including the hand generator being arranged in the first shell body and be removably mounted on the hand power Joystick on machine；Power source charges device, is connected in parallel with the hand-operated electricity generation device, for being provided to the heating element and the light bulb Electricity, including charging wire, the charge member being arranged on first housing and the storage battery being connected with the charge member；Power switch, is arranged on first housing, for be connected with the output terminal of the hand generator or with the storage The output terminal connection of battery；AndCentral controller, including：Temperature sensor, is arranged in the first shell body, for detecting housing real time temperature；Display control unit, is arranged on first housing, including LED display and control unit, and the LED display is used for Input preset temperature, Switching power source, the on or off of the selection light bulb and the display preset temperature and the housing Real time temperature；AndControl circuit, is connected, the control circuit is in institute with the power switch, the heating element and the light bulb respectively State the heating element and the hand-operated electricity generation device under the control of control unit according to the selection result of the power source Connection connects the heating element with the power source charges device, and reaches the default temperature in the housing real time temperature The heating element and the hand-operated electricity generation device or the power source charges device are disconnected after degree, the control circuit is described Switch selection result under the control of control unit according to the light bulb is connected the light bulb and the hand-operated electricity generation device On-off is opened or the light bulb is connected or disconnected with the power source charges device.
- 2. hand-rail type hand warmer according to claim 1, it is characterised in that：Wherein, first housing and second housing are spheroid, cylinder, square or cuboid.
- 3. hand-rail type hand warmer according to claim 1, it is characterised in that：Wherein, the material of first housing and second housing is ABS, PVC or PC.
- 4. hand-rail type hand warmer according to claim 1, it is characterised in that：Wherein, the heat-storing material being internally provided with for heat accumulation of first housing,The heat-storing material is paraffin.
- 5. hand-rail type hand warmer according to claim 1, it is characterised in that：Wherein, the heating element is heating wire, electric hot plate, electric hot tray or ceramic heating plate.
- 6. hand-rail type hand warmer according to claim 1, it is characterised in that：Wherein, the hand-operated electricity generation device further includes connecting hole and the stopple to match with the connecting hole,The connecting hole is arranged on first housing and is connected with the input terminal of the hand generator, described for installing Joystick.
- 7. hand-rail type hand warmer according to claim 1, it is characterised in that：Wherein, the charge member is socket or USB interface.
- 8. hand-rail type hand warmer according to claim 1, it is characterised in that：Wherein, the LED display is touch screen type display screen.
- 9. hand-rail type hand warmer according to claim 1, it is characterised in that：Wherein, the LED display also has unit selected section, for allowing user to select the unit of displays temperature,The unit for degree Celsius or degrees Fahrenheit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146419.8A CN107928863A (en) | 2017-11-17 | 2017-11-17 | Hand-rail type hand warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146419.8A CN107928863A (en) | 2017-11-17 | 2017-11-17 | Hand-rail type hand warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107928863A true CN107928863A (en) | 2018-04-20 |
Family
ID=61931761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711146419.8A Pending CN107928863A (en) | 2017-11-17 | 2017-11-17 | Hand-rail type hand warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107928863A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201531946U (en) * | 2009-11-17 | 2010-07-21 | 万瑾琳 | Instant warming electric heater |
| CN202128589U (en) * | 2011-06-03 | 2012-02-01 | 南京信息工程大学 | Hand press type self-generating hand warmer |
| CN202526382U (en) * | 2012-02-18 | 2012-11-14 | 任晴 | Manually operated type power-generating hand warmer |
| CN202682137U (en) * | 2012-06-05 | 2013-01-23 | 方超 | Hand warming device with electricity generated by hand |
| CN104202845A (en) * | 2014-09-19 | 2014-12-10 | 周晓明 | Electric water bag heating device and heating method thereof |
| CN204317774U (en) * | 2014-12-24 | 2015-05-13 | 上海理工大学 | A kind of hand-rail type lunch box capable of heating |
| US20160095364A1 (en) * | 2014-10-07 | 2016-04-07 | Michael Kafka | Hand Warmer Pouch |
| CN205178615U (en) * | 2015-11-30 | 2016-04-20 | 宁波大业产品造型艺术设计有限公司 | Novel hand treasured that charges |
-
2017
- 2017-11-17 CN CN201711146419.8A patent/CN107928863A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201531946U (en) * | 2009-11-17 | 2010-07-21 | 万瑾琳 | Instant warming electric heater |
| CN202128589U (en) * | 2011-06-03 | 2012-02-01 | 南京信息工程大学 | Hand press type self-generating hand warmer |
| CN202526382U (en) * | 2012-02-18 | 2012-11-14 | 任晴 | Manually operated type power-generating hand warmer |
| CN202682137U (en) * | 2012-06-05 | 2013-01-23 | 方超 | Hand warming device with electricity generated by hand |
| CN104202845A (en) * | 2014-09-19 | 2014-12-10 | 周晓明 | Electric water bag heating device and heating method thereof |
| US20160095364A1 (en) * | 2014-10-07 | 2016-04-07 | Michael Kafka | Hand Warmer Pouch |
| CN204317774U (en) * | 2014-12-24 | 2015-05-13 | 上海理工大学 | A kind of hand-rail type lunch box capable of heating |
| CN205178615U (en) * | 2015-11-30 | 2016-04-20 | 宁波大业产品造型艺术设计有限公司 | Novel hand treasured that charges |
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Application publication date: 20180420 |
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