CN207136948U - A kind of portable heating appliance - Google Patents
A kind of portable heating appliance Download PDFInfo
- Publication number
- CN207136948U CN207136948U CN201720035278.1U CN201720035278U CN207136948U CN 207136948 U CN207136948 U CN 207136948U CN 201720035278 U CN201720035278 U CN 201720035278U CN 207136948 U CN207136948 U CN 207136948U
- Authority
- CN
- China
- Prior art keywords
- heating
- temperature
- energy
- heating unit
- power source
- 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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 113
- 238000004146 energy storage Methods 0.000 claims abstract description 30
- 230000009466 transformation Effects 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000012774 insulation material Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000002791 soaking Methods 0.000 abstract description 3
- 239000011232 storage material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 9
- 150000001298 alcohols Chemical class 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000012782 phase change material Substances 0.000 description 4
- 206010053615 Thermal burn Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- -1 it is soluble taller Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The utility model discloses a kind of portable heating appliance, the heating installation includes power supply unit, heating unit (1) and temperature control system, said supply unit includes transformation element (2) and the portable power source (3) being detachably connected with transformation element (2), heating unit (1) electrically connects with portable power source (3), and controls the internal temperature of heating unit (1) by temperature control system.The utility model device is heated using low output voltage, securely and reliably, while the energy storage material soaking time length in heating unit；In addition to direct charging heating, the energy of savings can be also used for the charging of external equipment in portable power source, is adapted to remote way to use, is convenient for carrying.
Description
Technical field
Heating installation is the utility model is related to, more particularly to a kind of Portable automatic temperature control heating installation.
Background technology
Traditional heating method is to use hot-water bottle, electric warming bag or electric kettle.But can be because of processing when using such product warming
Improper to cause to scald, it is sensible heat heating that this, which is primarily due to above-mentioned warm-keeping device,.Material storage heat energy generally has two ways：
Sensible heat and latent heat.Sensible heat storage is carried out using the specific heat capacity of material and the temperature change of material；Latent heat storage is to utilize
What material was carried out during transformation along with energy absorption and release, wherein latent heat storage is generally stored than sensible heat and had
There is much higher energy storage density, therefore there is more wide prospect, wherein phase transformation using the latent heat progress energy storage heat accumulation of material
Material is exactly to carry out heat accumulation using this hidden heat energy storage.
Phase-changing energy storage material has become the hot topic of material science research at present, and the new layer of material developed in laboratory goes out
It is not poor, but the few in number of industrial large-scale production are realized, these new materials are in the prevalence of cost of material height, preparation work
The defects of skill is complicated, inconvenient for use, life of product is short.Phase-change material in the heating installation used at present is mainly to utilize salt
The principle of supersaturated solution condensation heat.Saturated solution is that the concentration of the solute in solution is formed when equal with its solvable quality
Solution；And when when the concentration ratio in solution, it is soluble taller, solution now is just referred to as supersaturated solution.On the market
Liquid in hand warmer pocket is exactly sodium acetate supersaturated solution, causes it very unstable because the concentration of supersaturated solution is too high.
Therefore, when carrying out slight perturbations to it, solution can be crystallized, so as to release heat.It can typically be put in such hand warmer
A sheet metal is put, when needing heating, gently stirring sheet metal can be used., can be by it after use finishes
It is put into boiling water and is heated, repeats and utilize again.But this hand warmer can separate out noxious material after heating, therefore,
Security needs to be thought deeply.
Meanwhile present heating installation is commonly high-voltage charging, and charge position is in fixed-site such as family, job site
Etc. ground, cause using limited.
For these reasons, the present inventor is studied existing heating installation, can solve the problem that to design
State a kind of portable, safe heating installation of problem.
Utility model content
In order to solve the above problems, present inventor has performed studying with keen determination, a kind of heating installation is designed, the heating installation
Using novel phase-change material as energy storage material, insulation duration length, it is equipped with low-voltage portable power source and is easy to carry charging, drop
Low charging, the dependence warmed oneself to place, so as to complete the utility model.
The purpose of this utility model is to provide following technical scheme：
1st, a kind of portable heating appliance, the heating installation include power supply unit, heating unit 1 and temperature control system,
Said supply unit is connected with heating unit 1, to heating unit 1 provide electric energy, it include transformation element 2 and with
The portable power source 3 that transformation element 2 is detachably connected.
2nd, the heating installation according to above-mentioned 1, wherein, the transformation element 2 is connected with external high pressure power supply, passes through change
External high voltage is converted into low-voltage by the transformer in pressure element 2,
The portable power source 3 includes power shell and the rechargeable battery inside power shell, and portable power source 3 can add
Hot cell 1 is powered in the case of moving to heating unit 1.
3rd, the heating installation according to above-mentioned 2, wherein, the power shell is provided with switch element 31 and charging indicates
Lamp 32, the switch element 31 control electricity output of the portable power source 3 to heating unit 1, the display of charging indicator light 32 movement
The working condition of power supply 3.
4th, the heating installation according to above-mentioned 2, wherein, USB interface 33 is set on the power shell, and the USB connects
Mouth 33 can be connected with external equipment, and the electric energy of portable power source 3 is transmitted to external equipment.
5th, the heating installation according to above-mentioned 1, wherein, the heating unit 1 electrically connects with portable power source 3, and it includes
Lagging casing 11, heating element heater 12 and energy-storage travelling wave tube 13,
The lagging casing 11 is sheathed on outside heating unit 1, and heating unit 1 is protected and is incubated, the heating unit
Part 12 is placed in inside lagging casing 11, converts electrical energy into heat energy to provide heat, the energy-storage travelling wave tube 13 to energy-storage travelling wave tube 13
For the bag like construction of enclosed inside insulation material, energy-storage travelling wave tube 13 is coated on outside heating element heater 12, carries out absorption and the biography of heat
Pass.
6th, the heating installation according to above-mentioned 1, wherein, lagging casing 11, heating element heater 12 in the heating unit 1
To be detachably connected between energy-storage travelling wave tube 13,
The lagging casing 11 is the box lagging casing with fixed profile, or the pocket type lagging casing of shape variable,
Lagging casing 11, which is provided with, is available for its reciprocal folding to pick and place the connector of heating element heater 12 and energy-storage travelling wave tube 13.
7th, the heating installation according to above-mentioned 1, wherein, the temperature control system includes temperature element and temperature control member
Part, the temperature element are located in heating unit 1, to determine the internal temperature of heating unit 1, and temperature signal are sent into temperature
Control unit,
Temperature control component is located in the power shell of portable power source 3, and it receives the temperature signal of temperature element, and with setting
Constant temperature degree is compared, and controls the heated condition of heating unit 1.
8th, the heating installation according to above-mentioned 7, wherein, the temperature element is temperature sensor, its model LM35；
The temperature control component is surface-mounted integrated circuit, and it includes temperature-adjusting circuit 41, heater circuit 42 and external equipment and filled
Circuit 43,
Wherein, temperature-adjusting circuit 41 controls being turned on or off for heater circuit 42, and external equipment charging circuit 43 turns voltage
Rear electricity output is changed to USB interface 33 with to outside equipment charge.
9th, the heating installation according to above-mentioned 8, wherein,
In temperature-adjusting circuit 41, the low-tension supply after the conversion of transformation element 2 is connected with temperature element, the letter of temperature element
Number output end is connected with the electrode input end of comparator；Potentiometer is connected with the negative input of comparator；Solid-state relay with
The output end of comparator is connected, by controlling being turned on or off for solid-state relay to lead on-off and then control heater circuit 42
Open.
10th, the heating installation according to above-mentioned 8, wherein, heater circuit 42 include two protective resistances being connected in parallel and
Adding thermal resistance, protective resistance are contacted with charging indicator light 32, and it is low current to make by the electric current of charging indicator light 32, adding thermal resistance
Convert electrical energy into heat energy,
Wherein, the resistance of the protective resistance is the Ω of 800 Ω~1200, and the resistance of the adding thermal resistance is 0.5 Ω~1.5
Ω。
According to a kind of portable heating appliance provided by the utility model, have the advantages that：
(1) safety：The utility model device uses 12V output voltages, securely and reliably, will not produce Danger Electric shock risk；Phase transformation
Material melting point is low, and the temperature that typically can contact is 60 DEG C or so, is that human body is suitable for temperature, is more suitable for human body warm, even if
Phase-change material, which is spilt, will not also scald human body, and product, added with temperature measuring equipment, temperature reaches 60 DEG C, that is, stop heating；
(2) soaking time is grown：The utility model device uses long-chain alcohol class phase transformation material, and for insulation material, energy storage is more,
Radiating is slow, sustainable very long soaking time (sustainable insulation 6-7 hours under normal temperature), saves the energy, reduces charge frequency；
(3) charging is quick：The utility model device uses long-chain alcohol class phase transformation material, and for insulation material, the heat time is than one
As the time used in hand warmer it is short, firing rate is fast, can complete to heat within a very short time；
(4) it is convenient；In addition to direct charging heating, its energy saved can be also used for battery and fills the utility model device
Electricity, it is adapted to remote way to use, and outward appearance is compact lovely, attractive packages is generous, easy to carry.
Brief description of the drawings
Fig. 1 shows portable heating appliance structural representation in the utility model；
Fig. 2 shows the transformation element and external high pressure power supply connection signal according to a kind of preferred embodiment of the utility model
Figure；
Fig. 3 shows the heating unit structure schematic diagram according to a kind of preferred embodiment of the utility model；
Fig. 4 shows the heating unit structure schematic diagram according to the utility model another kind preferred embodiment；
Fig. 5 is shown according to a kind of circuit diagram of the temperature control system of preferred embodiment of the utility model.
Drawing reference numeral explanation：
1- heating units；
11- lagging casings；
12- heating element heaters；
13- energy-storage travelling wave tubes；
2- transformation elements；
3- portable power sources；
31- switch elements；
32- charging indicator lights；
33-USB interfaces；
41- temperature-adjusting circuits；
42- heater circuits；
43- external equipment charging circuits.
Embodiment
It is described in detail below by the utility model, the characteristics of the utility model and advantage will be with these explanations
And become more apparent from, clearly.
As shown in figure 1, the purpose of this utility model is to provide a kind of portable heating appliance, it is single that the device includes power supply
Member, heating unit 1 and temperature control system；
Said supply unit is connected with heating unit 1, to heating unit 1 provide electric energy, it include transformation element 2 and with change
The portable power source 3 that pressure element 2 is detachably connected.
As depicted in figs. 1 and 2, the transformation element 2 is connected with external high pressure power supply, passes through the transformation in transformation element 2
External high voltage is converted into low-voltage by device.The external high voltage is commonly 220V, and the low-voltage after conversion is 12V, and its is straight
Connect to portable power source 3 and power.Low-voltage after conversion is much smaller than the safe voltage 36V of people, reduces the possibility got an electric shock.
Further, it is provided with bridge rectifier in transformation element 2, bridge rectifier passes through four diodes docking two-by-two
Alternating current by transformation element 2 is changed into direct current.
In the utility model, portable power source 3 includes power shell and the rechargeable battery inside power shell, mobile electricity
Source 3 can power in the case where heating unit 1 moves to heating unit 1.Power shell is provided with switch element 31 and charging refers to
Show lamp 32, the switch element 31 controls electricity output of the portable power source 3 to heating unit 1, and the display of charging indicator light 32 moves
The working condition of dynamic power supply 3.In the utility model, the species of rechargeable battery is not limited, meets requirement.
Further, USB interface 33 is set on power shell, and the USB interface 33 can be connected with external equipment, by movement
The electric energy of power supply 3 is transmitted to external equipment, for the charging of battery, as connected after mobile phone to charging mobile phone battery.
In the utility model, heating unit 1 electrically connects with portable power source 3.The heating unit 1 include lagging casing 11,
Heating element heater 12 and energy-storage travelling wave tube 13.The lagging casing 11 is sheathed on outside heating unit 1, to heating unit 1 carry out protection and
Insulation, it possess small thermal conductivity, high temperature resistant, it is in light weight the characteristics of.The heating element heater 12 is placed in inside lagging casing 11, by electricity
Heat energy can be changed into provide heat to energy-storage travelling wave tube 13.The energy-storage travelling wave tube 13 is the packed knot of enclosed inside insulation material
Structure, energy-storage travelling wave tube 13 are coated on outside heating element heater 12, absorption and transmission for heat.Wherein, the insulation material is phase transformation
Material, preferably long-chain alcohol class phase transformation material.Long-chain alcohol class phase transformation material melting point is low, and phase transition temperature is 60 DEG C or so, is human body
Temperature is suitable for, is more suitable for human body warm, even if phase-change material, which is spilt, will not also scald human body.
In a preferred embodiment, in heating unit 1 lagging casing 11, heating element heater 12 and energy-storage travelling wave tube 13 it
Between to be detachably connected, be easy to each replacement of element or pick and place.After the completion of heating, heating element heater 12 can be taken out, directly passed through
Energy-storage travelling wave tube 13 with lagging casing 11 is warmed oneself；Or take out energy-storage travelling wave tube 13, directly or after other bags of bodies of overcoat carry out
Heating.
In further preferred embodiment, the lagging casing 11 is the box lagging casing with fixed profile,
Or the pocket type lagging casing of shape variable.Lagging casing 11 is provided with the connector for being available for its reciprocal folding, such as lagging casing 11
For polymer fiber material insulated bag when, connector can be slide fastener or button.
As shown in figure 3, the heating element heater 12 is the heating plate that one or more inner wraps have resistance wire, energy-storage travelling wave tube
13 are spaced with heating element heater 12 in stratiform.
As shown in figure 4, the size of energy-storage travelling wave tube 13 is big compared with heating element heater 12, heating element heater 12 inserts energy-storage travelling wave tube 13 and folded
In the layer structure formed, to increase the contact area of heating element heater 12 and energy-storage travelling wave tube 13.
In the utility model, temperature control system includes temperature element and temperature control component, and the temperature element is positioned at heating
In unit 1, to determine the internal temperature of heating unit 1, and temperature signal is sent to temperature control unit.Preferably, the survey
Warm element is temperature sensor, preferably LM35 temperature sensors.
Temperature control component is located in the power shell of portable power source 3, and it receives the temperature signal of temperature element, and with setting
Constant temperature degree is compared, and controls the heated condition of heating unit 1.
As shown in figure 5, the temperature control component is surface-mounted integrated circuit, it includes temperature-adjusting circuit 41, the and of heater circuit 42
External equipment charging circuit 43, wherein, temperature-adjusting circuit 41 controls being turned on or off for heater circuit 42, external equipment charging circuit
43 convert the voltage into rear electricity output to USB interface 33 with to outside equipment charge.
In temperature-adjusting circuit 41, low-tension supply (such as 12V) and temperature element (such as LM35 temperature after the conversion of transformation element 2
Degree sensor) 1 pin and 3 pin be connected.The signal output part (2 pin) of temperature element is connected with the electrode input end of comparator, with
The temperature signal of temperature element is transmitted to the electrode input end of comparator；The negative input of comparator connects with potentiometer R2
Connect, change the current potential of negative input by potentiometer R2, i.e., heating-up temperature threshold value is changed by potentiometer R2；Comparator it is defeated
Go out end with solid-state relay (SSR) to be connected, to control it to be turned on or off.Born when the voltage of the electrode input end of comparator is higher than
During the voltage of pole input, the output end output high level of comparator, solid-state relay conducting, it can power and open to heater circuit 42
Dynamic heating；When the voltage of the electrode input end of comparator is less than the voltage of negative input, low level, solid-state relay are exported
Disconnect, stop powering to heater circuit 42.Preferably, the model LM393 of the comparator.
Preferably, the low-tension supply after the conversion of transformation element 2 is connected with voltage stabilizing element, and the voltage stabilizing element includes voltage stabilizing
Resistance R1 and voltage-regulator diode, for stablizing the voltage in temperature-adjusting circuit 41.Preferably, the model of the voltage-regulator diode
ICL8069, voltage regulation resistance R1 are the larger resistance of resistance, and preferably its resistance is the Ω of 400 Ω~600.
The electrical input of the heater circuit 42 is connected with the positive pole of the low-tension supply after the conversion of transformation element 2, and electricity is defeated
Go out end through solid-state relay with the negative pole of low-tension supply to be connected.Heater circuit 42 includes the two protective resistance R3 being connected in parallel and added
Thermal resistance R4, wherein, protective resistance R3 contacts with charging indicator light 32 (such as LED), makes the electric current by charging indicator light 32
For low current.Adding thermal resistance R4 converts electrical energy into heat energy, for producing heat.The protective resistance R3 is the electricity of big resistance
Resistance, preferably its resistance are the Ω of 800 Ω~1200.The adding thermal resistance R4 be small resistance resistance, preferably its resistance be 0.5 Ω~
1.5Ω。
Voltage conversion chip (such as 7805 chips) is connected with the external equipment charging circuit 43, voltage conversion chip
Input (1 pin) is connected with the positive pole of low-tension supply, and earth terminal (2 pin) is connected with the negative pole of low-tension supply, its output end (3 pin)
It is connected to USB interface 33.The voltage of USB interface 33 is 5V.Preferably, the model 7805 of the voltage conversion chip.
, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model
Or position relationship is based on the orientation or position relationship under utility model works state, is for only for ease of and describes this practicality newly
Type and simplifying describes, rather than instruction or implies that signified device or element must have specific orientation, with specific orientation
Construction and operation, therefore it is not intended that to limitation of the present utility model.
The utility model is illustrated above in association with preferred embodiment, but these embodiments are only models
Example property, only play illustrative effect.On this basis, a variety of replacements and improvement can be carried out to the utility model, these
Each fall within the scope of protection of the utility model.
Claims (9)
1. a kind of portable heating appliance, the heating installation includes power supply unit, heating unit (1) and temperature control system,
Said supply unit is connected with heating unit (1), to heating unit (1) provide electric energy, it include transformation element (2) and
The portable power source (3) being detachably connected with transformation element (2),
The temperature control system includes temperature element and temperature control component, and the temperature element is located in heating unit (1), to survey
Determine heating unit (1) internal temperature, and temperature signal be sent to temperature control component,
Temperature control component is located in the power shell of portable power source (3), its receive temperature element temperature signal, and with setting
Temperature is compared, and controls heating unit (1) heated condition.
2. heating installation according to claim 1, it is characterised in that the transformation element (2) and external high pressure power supply phase
Even, external high voltage is converted into by low-voltage by the transformer in transformation element (2),
The portable power source (3) includes power shell and the rechargeable battery inside power shell, and portable power source (3) can add
Heating unit (1) is powered in the case that hot cell (1) is mobile.
3. heating installation according to claim 2, it is characterised in that
The power shell is provided with switch element (31) and charging indicator light (32), the mobile electricity of switch element (31) control
To the electricity output of heating unit (1), the charging indicator light (32) shows the working condition of portable power source (3) in source (3).
4. heating installation according to claim 2, it is characterised in that USB interface (33), institute are set on the power shell
Stating USB interface (33) can be connected with external equipment, and the electric energy of portable power source (3) is transmitted to external equipment.
5. heating installation according to claim 1, it is characterised in that the heating unit (1) is electrically connected with portable power source (3)
Connecing, it includes lagging casing (11), heating element heater (12) and energy-storage travelling wave tube (13),
The lagging casing (11) is sheathed on heating unit (1) outside, and heating unit (1) is protected and is incubated, the heating
Element (12) is placed in lagging casing (11) inside, converts electrical energy into heat energy to provide heat, the storage to energy-storage travelling wave tube (13)
Energy element (13) is the bag like construction of enclosed inside insulation material, and energy-storage travelling wave tube (13) is coated on heating element heater (12) outside, is carried out
The absorption and transmission of heat.
6. heating installation according to claim 1, it is characterised in that lagging casing (11) in the heating unit (1),
To be detachably connected between heating element heater (12) and energy-storage travelling wave tube (13),
The lagging casing (11) is the box lagging casing with fixed profile, or the pocket type lagging casing of shape variable, is protected
Warm shell (11) is provided with and is available for its reciprocal folding to pick and place the connector of heating element heater (12) and energy-storage travelling wave tube (13).
7. heating installation according to claim 1, it is characterised in that the temperature element is temperature sensor, its model
For LM35；
The temperature control component is surface-mounted integrated circuit, and it includes temperature-adjusting circuit (41), heater circuit (42) and external equipment and filled
Circuit (43),
Wherein, temperature-adjusting circuit (41) control heater circuit (42) is turned on or off, and external equipment charging circuit (43) is by voltage
After conversion electricity output to USB interface (33) with to outside equipment charge.
8. heating installation according to claim 7, it is characterised in that
In temperature-adjusting circuit (41), the low-tension supply after transformation element (2) conversion is connected with temperature element, the letter of temperature element
Number output end is connected with the electrode input end of comparator；Potentiometer is connected with the negative input of comparator；Solid-state relay with
The output end of comparator is connected, by control solid-state relay be turned on or off control heater circuit (42) conducting or
Disconnect.
9. heating installation according to claim 7, it is characterised in that
Heater circuit (42) includes two protective resistances and adding thermal resistance being connected in parallel, and protective resistance is gone here and there with charging indicator light (32)
Even, it is low current to make by the electric current of charging indicator light (32), and adding thermal resistance converts electrical energy into heat energy,
Wherein, the resistance of the protective resistance is the Ω of 800 Ω~1200, and the resistance of the adding thermal resistance is the Ω of 0.5 Ω~1.5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016213712920 | 2016-12-14 | ||
| CN201621371292 | 2016-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207136948U true CN207136948U (en) | 2018-03-27 |
Family
ID=61657796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720035278.1U Expired - Fee Related CN207136948U (en) | 2016-12-14 | 2017-01-12 | A kind of portable heating appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207136948U (en) |
-
2017
- 2017-01-12 CN CN201720035278.1U patent/CN207136948U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201912304U (en) | Intelligent hand warming device | |
| CN207136948U (en) | A kind of portable heating appliance | |
| CN206699654U (en) | A kind of portable constant temperature lunch box | |
| CN1994168A (en) | Temperature controlled remotely and intelligently infrared healthy electrically-warming clothes and shoes | |
| CN106618847A (en) | Portable heating device | |
| CN204014105U (en) | A kind of power module of hand warmer | |
| CN203121054U (en) | Electric heating clothes | |
| CN202553264U (en) | Temperature control electrical heating cup | |
| CN204908921U (en) | Rechargeable liquid heating cup | |
| CN107612424A (en) | Electricity generation system and electrical equipment | |
| CN210009210U (en) | High energy-conserving warm handbag of security | |
| CN204217138U (en) | A kind of electric hot-water bag heater | |
| CN205547795U (en) | Flat style ware that rechargeable is wireless | |
| CN203340320U (en) | Electric heating tape | |
| CN208754574U (en) | A kind of rechargeable phase-change thermal storage pipeline of flexibility | |
| CN207820259U (en) | A kind of graphene heating mechanism | |
| CN208677690U (en) | A kind of roly-poly type intelligent hand warming device | |
| CN202288593U (en) | Hand warmer | |
| CN205359765U (en) | Personal handheld electric power storage type box that generates heat | |
| CN104905906A (en) | Outdoor portable rechargeable hand warmer | |
| US20180231332A1 (en) | Renewable energy heater | |
| CN208435902U (en) | Two power generating type hand warmers of hand charging | |
| CN205963676U (en) | Hand -warming water cup | |
| CN204617878U (en) | A kind of rechargeable portable electric food warmer | |
| CN103023080B (en) | A kind of Multifunctional portable power source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 |