CN203555574U - Novel electric heating thermos flask - Google Patents

Abstract

The utility model relates to a novel electric heating thermos flask which comprises a thermal flask body. A heating liner is arranged in the thermos flask body. A heating pipe is installed at the bottom of the heating liner. A water outlet and a power supply interface are formed in the thermos flask body. A water pump is installed in the thermos flask body. A water inlet pipe and a water outlet pipe of the water pump are communicated with the bottom of the heating liner and the water outlet respectively. An integrated manual reset non-water-boiling-preventing heat preserving controller is installed at the bottom of the heating liner and comprises a base, a seesaw supporting frame and a non-waster-boiling-preventing supporting plate. A heating bar switch-off device and a non-water-boiling-preventing switch-off device are of mechanical structures, components such as circuit boards and some fasteners are omitted, production cost is greatly saved by more than 20%, the novel electric heating thermos flask has the advantages of being friendly to environment, convenient to install, capable of breaking with two electrodes (live wire end and null wire end) at the same time, safe, reliable, capable of boiling water at a time and capable of not automatically boiling water repeatedly in the time of heat preservation and ensuring the drinking quality of boiled water. When the water is boiled, the water pump will not work, the water does not flow out of the water outlet and safety is ensured.

Description

Novel electric-heating thermos

Technical field

The utility model relates to a kind of electric-heating thermos technical field, especially novel a kind of simple in structure, energy-conservation, save cost, safety, efficient electric-heating thermos.

Background technology

At present, existing electric-heating thermos, generally by circuit board and kick switch, is controlled the heat-generating pipe of heating inner liner bottom, realizes heating, insulation, the control of heating again, its complex structure, and manufacturing cost is high; Between soak, there will be repeatedly boiling repeatedly, heat again, could keep temperature, cause the boiling water of drinking not meet health standards; And due to the limit of functions of wiring board, its heat-generating pipe must adopt two lower powered heat-generating pipes combinations, causes mounting process complicated, production cost is high.

Moreover, present most electric-heating thermos, after wire attachment plug, can connect heat-generating pipe (600-900 watt of high power) heating, after finishing using, must pull out plug and could disconnect heat-generating pipe, there is great potential safety hazard, as people need to be a few days out and forget and pull out power line, heat-generating pipe can keep energising always, repeatedly to boil water until dry combustion method, and the anti-dry burning device of this structure only can be cut off the electricity supply when high temperature, and temperature can reclose power supply after declining, cause dry combustion method repeatedly, make electric-heating thermos fault and scrap, even there is disaster hidden-trouble.

In addition, existing electric-heating thermos, during heating again between soak, heat-generating pipe is task again, until boiling water seethes with excitement again, the noise in its heating process is larger, affects people and has a rest, particularly people are in bed at night.

Summary of the invention

The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and improve a kind of simple and reasonable for structure, energy-conservation, save cost, safe, efficient, easy for installation, can not be repeatedly to boil water, the novel electric-heating thermos with intelligent heat preserving function.

The utility model solves the technical scheme that its technical problem adopts:

Novel electric-heating thermos, comprise vacuum flask body, in vacuum flask body, be provided with heating inner liner, heating inner liner bottom is provided with heat-generating pipe, and vacuum flask body is provided with delivery port and power interface, in vacuum flask body, water pump is installed, the water inlet pipe of water pump and outlet pipe are connected with heating inner liner bottom and delivery port respectively, it is characterized in that, described heating inner liner bottom is provided with the anti-dry preservation and controlling device of integral type hand-reset, comprises pedestal, seesaw support and anti-dry supporting plate;

Described anti-dry supporting plate is fixed on heating inner liner bottom, pedestal is connected with anti-dry supporting plate bottom surface, pedestal front end is fixed with respectively live wire input terminal and the zero line input terminal being electrically connected with power interface, pedestal front end both sides are fixed with respectively live wire lead-out terminal and the zero line lead-out terminal being electrically connected with heat-generating pipe, live wire input terminal and zero line input terminal are connected with respectively live wire shell fragment and zero line shell fragment, and zero line shell fragment and the touching of zero line lead-out terminal offset;

Described seesaw support comprises tailgate, on tailgate, toward live wire shell fragment and zero line shell fragment direction, be extended with live wire support arm and zero line support arm, live wire support arm and zero line support arm inner side are arranged with two supporting protuberances, seesaw support is seesaw type by two support convex and sits on the two supporting recesses that are located at both sides, pedestal middle part, pedestal rear end is provided with steam thermal sensitive piece, tailgate rear end is connected with pedestal rear end elasticity by connecting shell fragment, the tailgate rear end of steam thermal sensitive piece top is extended with steam fore-set, in heating inner liner, be provided with steam conducting tube, steam conducting tube one end extends to pedestal rear end, communicate with steam thermal sensitive piece,

The anti-dry supporting plate end face of described live wire shell fragment and zero line shell fragment top is separately installed with automatically reset thermal sensitive piece and hand-reset thermal sensitive piece, automatically reset and be provided with anti-dry live wire push rod between thermal sensitive piece and the extending end of live wire support arm, between hand-reset thermal sensitive piece and zero line shell fragment, be provided with anti-dry zero line push rod, under high temperature dry-fire condition, after the deformation of hand-reset thermal sensitive piece temperature-sensitive, by anti-dry zero line push rod, press to zero line shell fragment, make zero line shell fragment and zero line lead-out terminal offset and switch to released state by touching;

On the described anti-dry supporting plate automatically reseting between thermal sensitive piece and hand-reset thermal sensitive piece, PTC insulation sheet is installed, the pedestal front end of zero line support arm one side is fixed with insulation sheet fire line terminal, PTC insulation sheet is electrically connected with insulation sheet fire line terminal and zero line lead-out terminal respectively, on live wire input terminal, be also connected with insulation sheet live wire shell fragment, insulation sheet live wire shell fragment is crossed on zero line support arm top and extends to insulation sheet fire line terminal, and the zero line support arm of corresponding insulation sheet live wire shell fragment below is provided with raised step;

The extending end of described live wire support arm is provided with the Plug Division being connected with live wire shell fragment, on tailgate, be connected with the pressing key that extends vacuum flask body outside, by pressing pressing key, the extending end of live wire support arm and zero line support arm is upwards promoted around two supporting protuberances, making live wire shell fragment and live wire lead-out terminal switch to touching by released state offsets, the extending end of zero line support arm is promoted to zero line shell fragment bottom surface, and the raised step on zero line support arm is when upwards promoting, insulation sheet live wire shell fragment is upwards established on top, make insulation sheet live wire shell fragment and insulation sheet fire line terminal offset and switch to released state by touching,

Adopt the electric-heating thermos of this structure, heating and burning prevention function adopt the anti-dry preservation and controlling device of mechanical integral type hand-reset to realize, it is simple in structure, rationally, its operation principle is, power interface is connected with power supply, press pressing key, tailgate presses down, seesaw type connection function due to two supporting protuberances and two supporting recesses, the extending end of live wire support arm and zero line support arm upwards promotes around two supporting protuberances, make live wire shell fragment and live wire lead-out terminal switch to and touch offset (electrically connecting) by released state (electrically disconnecting), connected the live wire end of heat-generating pipe, the extending end of zero line support arm is promoted to zero line shell fragment bottom surface, make zero line shell fragment keep electrically connecting with zero line lead-out terminal all the time, connected the zero line side of heat-generating pipe, heat-generating pipe starts heating, simultaneously, raised step on zero line support arm is in the lifting process that makes progress, insulation sheet live wire shell fragment is upwards established on top, make insulation sheet live wire shell fragment and insulation sheet fire line terminal by touching offset (electrically connect) switch to released state (electrically disconnecting), when being illustrated in heat-generating pipe heating, PTC insulation sheet is all the time in off-position, when reaching energy-conservation, PTC insulation sheet can not worked when heat-generating pipe hot operation simultaneously, reduced the working time of PTC insulation sheet, guaranteed that PTC insulation sheet has long-term service life,

When temperature to boil water reaches boiling point, steam in heating inner liner is passed to steam thermal sensitive piece along steam conducting tube, steam thermal sensitive piece is produced after deformation, steam fore-set is upwards established on top, thereby seesaw support is resetted, make live wire shell fragment and live wire lead-out terminal by touching offset (electrically connect) switch to released state (electrically disconnecting), the live wire end power-off of heat-generating pipe, heat-generating pipe quits work, by steam thermal sensitive piece, boil power-off, can guarantee just to disconnect heat-generating pipe heating after boiling water really reaches boiling point, the health indicator that meets the boiling water of drinking water, solved kick switch temperature deviation of the prior art large, often adjust ahead of time the disconnected defect waiting, in heat-generating pipe power-off, insulation sheet live wire shell fragment and insulation sheet fire line terminal switch to touching by released state (electrically disconnecting) and offset (electrically connecting), i.e. PTC insulation sheet connection work, starts heat insulation work, because PTC insulation sheet has intelligent heat preserving function, temperature deviation is little, affected by extraneous factor little, and reliability is high, safety, that PTC insulation sheet is in insulating process, can repeatedly not seethe with excitement, when needs heat boiling water again, only need manually press pressing key and again boil water.

The utility model possesses heating function and adopts frame for movement, have advantages of heating rapidly, just power-off while guaranteeing boiling water boiling point, and on heat insulation function, the PTC insulation sheet adopting, safe and reliable, working stability, by the design of frame for movement, both can not work simultaneously, realize better function separately, and the electric-heating thermos of this structure, circuit board and a plurality of part being connected with circuit board (for example screw) cancelled, can effectively reduce production cost, easy for installation.

And this structure also has burning prevention function, specifically by automatically reset thermal sensitive piece and the hand-reset thermal sensitive piece being arranged on anti-dry supporting plate, complete, the anti-dry that thermal sensitive piece and hand-reset thermal sensitive piece be responsible for respectively live wire end and zero line side that automatically resets disconnects, concrete anti-dry situation is: after pressing pressing key, anhydrous or water is standby dryouies in heating inner liner, the temperature of heating inner liner raises rapidly, after reaching the temperature-sensitive deformation temperature of automatically reset thermal sensitive piece and hand-reset thermal sensitive piece, the deformation respectively of two thermal sensitive pieces, respectively by anti-dry live wire push rod to live wire support arm to pressing down, anti-dry zero line push rod carries out to pressing down zero line shell fragment, make live wire shell fragment separated with live wire lead-out terminal, zero line shell fragment is separated with zero line lead-out terminal, seesaw support switches to reset condition, disconnect the heating of heat-generating pipe, play anti-dry effect, and the thermal sensitive piece that automatically resets returns to after design temperature in ambient temperature, can automatically reset, but seesaw support now switches to reset condition, live wire shell fragment is all the time in live wire lead-out terminal below (electrically disconnecting), even thermal sensitive piece automatically resets so automatically reset, all can not connect heat-generating pipe, and hand-reset thermal sensitive piece is after deformation, must be by manually controlling, just can return to reset condition, to boil water in next time, again press after pressing key, the extending end of zero line support arm is upwards established on top anti-dry zero line push rod by zero line shell fragment, hand-reset thermal sensitive piece is resetted, .

Moreover automatically reset thermal sensitive piece and hand-reset thermal sensitive piece are mounted in seesaw cradle top surface, close with heating inner liner bottom surface, temperature-sensitive is satisfactory for result.

Moreover, the utility model has solved in prior art the defect of dry combustion method repeatedly, the utility model is after connecting wire, only can connect PTC insulation sheet (only having the low-power of tens watts), and heat-generating pipe must be after switching on power, press again pressing key, live wire shell fragment and live wire lead-out terminal could be connected, thereby by heat-generating pipe and power connection work, when not pressing pressing key (in a state of nature), even if switch on power, heat-generating pipe is because live wire end is not connected, also cannot work, played the effect of safeguard protection, in addition, when electric-heating thermos is during in keeping warm mode, people are because a couple of days of going out is forgotten and pulls out power line, PTC insulation sheet dryouies the water of heating inner liner, there is dry-fire condition, hand-reset thermal sensitive piece can be by anti-dry zero line push rod top to zero line shell fragment, zero line shell fragment and zero line lead-out terminal are separated to (disconnecting), hand-reset thermal sensitive piece must be when being used next time, press after pressing key, could reset, could again zero line shell fragment be connected with the touching of zero line lead-out terminal, this structure has solved in prior art the defect of dry combustion method repeatedly, improve the security of product, extend electric hot water bottle service life, even avoided the generation of disaster hidden-trouble, by the combination of frame for movement, reached the object of Based Intelligent Control.

Moreover, PTC insulation sheet is when work, can not produce any noise, also can repeatedly not heat to boil water, only can be always in keeping warm mode, only people, need to heat again when to boil water, press pressing key, just can again start heat-generating pipe 3 ebuillition of heated to boil water again, can not affect people and normally have a rest, particularly, when people do not do any operation to electric-heating thermos the time of having a rest in the evening.

The utility model can also adopt following technical measures to solve:

Described anti-dry supporting plate is provided with a plurality of connecting holes, and anti-dry supporting plate passes connecting hole by securing member and is fixed on heating inner liner bottom; Connect simple, easy for installationly, dismounting is easy to maintenance.

Described tailgate rear end is provided with branch sleeve, and branch sleeve one end communicates with steam thermal sensitive piece, and the other end and steam conducting tube are connected; Steam thermal sensitive piece can be contacted with steam better, complete boiling water and boil disconnection heat-generating pipe.

Described hand-reset thermal sensitive piece is comprised of interior tongue inserted sheet and the kick wing, on corresponding anti-dry supporting plate, offer through hole, on through hole, be extended with the connecting plate being connected with interior tongue inserted sheet, on connecting plate, be provided with the connecting hole of pegging graft with interior tongue inserted sheet, anti-dry zero line push rod is arranged between the kick wing and zero line shell fragment, the deformation under high temperature dry-fire condition of hand-reset thermal sensitive piece, and push up pressure downwards by anti-dry zero line push rod, all the time zero line shell fragment and zero line lead-out terminal are offseted and switched to released state by touching; Simple and reasonable for structure.

Described anti-dry zero line push rod is arranged with location anti-dry zero line cover outward; Anti-dry zero line cover positions anti-dry zero line bar, prevents from getting loose, and anti-dry live wire bar is outer same sheathed with this location structure.

The temperature-sensitive deformation temperature of described hand-reset thermal sensitive piece is for being more than or equal to 130 degree, and restoring temperature is that 0 degree is to-30 degree.

The temperature-sensitive deformation temperature of the described thermal sensitive piece that automatically resets is for being more than or equal to 120 degree, and restoring temperature is 70 degree to 80 degree.

Described heat-generating pipe consists of separately a heat-generating pipe; An independent heat-generating pipe form, with two heat-generating pipe forms in prior art, can save production cost, reduce mounting process difficulty, and this structure is without adopting circuit board to control, the power of heat-generating pipe can be considered configuration according to actual needs, can realize more powerful heating effect.

Described water pump is electrically connected with insulation sheet fire line terminal and zero line lead-out terminal respectively; Be water pump under PTC insulation sheet "on" position, just can work, cannot water outlet when to boil water, effectively improved security, delivery port can be arranged on vacuum flask body top, delivery port one side is provided with delivery port microswitch.

The beneficial effects of the utility model are:

A kind of novel electric-heating thermos of the utility model, adopt frame for movement, the devices such as circuit board and one or more fasteners have been cancelled, greatly save production cost more than 20%, there are environmental protection and energy saving, easy for installation, adopt bipolar (live wire end and zero line side) to disconnect simultaneously, safe and reliable, disposable boiling water is boiled, during insulation, can automatically repeatedly not boil water, the disposable deenergization of meeting during dry-fire condition, there will not be dry combustion method repeatedly, avoid burning out heat-generating pipe, more avoid the generation of disaster hidden-trouble, guarantee boiling water drinking quality, when to boil water, water pump can not worked, delivery port can water outlet, improve security.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is structural representation of the present utility model.

Fig. 3 is structural representation of the present utility model.

Fig. 4 is structural representation of the present utility model.

Fig. 5 is the anti-dry preservation and controlling device of integral type hand-reset in the utility model and the decomposition texture schematic diagram of PTC insulation sheet.

Fig. 6 is the structural representation of the anti-dry preservation and controlling device of integral type hand-reset in the utility model.

Fig. 7 is that the anti-dry preservation and controlling device of integral type hand-reset in the utility model removes the structural representation after part.

Fig. 8 is that the anti-dry preservation and controlling device of integral type hand-reset in the utility model removes the structural representation after part.

Fig. 9 is that the anti-dry preservation and controlling device of integral type hand-reset in the utility model removes the structural representation after part.

Figure 10 is the structural representation of the anti-dry preservation and controlling device of integral type hand-reset in the utility model.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further illustrated.

As shown in Figures 1 to 10, novel electric-heating thermos, comprise vacuum flask body 1, in vacuum flask body 1, be provided with heating inner liner 2, heating inner liner 2 bottoms are provided with heat-generating pipe 3, vacuum flask body 1 is provided with delivery port 4 and power interface 5, water pump 6 is installed in vacuum flask body 1, the water inlet pipe 601 of water pump 6 and outlet pipe 602 are connected with heating inner liner 3 bottoms 201 and delivery port 4 respectively, it is characterized in that, described heating inner liner 2 bottoms 201 are provided with the anti-dry preservation and controlling device 7 of integral type hand-reset, comprise pedestal 8, seesaw support 9 and anti-dry supporting plate 10;

Described anti-dry supporting plate 10 is fixed on heating inner liner 2 bottoms 201, pedestal 8 is connected with anti-dry supporting plate 10 bottom surfaces 1001, pedestal 8 front ends are fixed with respectively live wire input terminal 11 and the zero line input terminal 12 being electrically connected with power interface 5, pedestal 8 front end both sides are fixed with respectively live wire lead-out terminal 13 and the zero line lead-out terminal 14 being electrically connected with heat-generating pipe 3, live wire input terminal 11 and zero line input terminal 12 are connected with respectively live wire shell fragment 15 and zero line shell fragment 16, and zero line shell fragment 15 offsets with 14 touchings of zero line lead-out terminal;

Described seesaw support 9 comprises tailgate 901, on tailgate 901, toward live wire shell fragment 15 and zero line shell fragment 16 directions, be extended with live wire support arm 902 and zero line support arm 903, live wire support arm 902 and zero line support arm 903 inner sides are arranged with two supporting protuberances 904, seesaw support 9 is seesaw type by two support convex 904 and sits on the two supporting recesses 801 that are located at pedestal 8 both sides, middle part, pedestal 8 rear ends are provided with steam thermal sensitive piece 17, tailgate 901 rear ends are connected with pedestal 8 rear end elasticity by connecting shell fragment 18, tailgate 901 rear ends of steam thermal sensitive piece 17 tops are extended with steam fore-set 905, in heating inner liner 2, be provided with steam conducting tube 202, steam conducting tube 202 one end extend to pedestal 8 rear ends, communicate with steam thermal sensitive piece 17,

Anti-dry supporting plate 10 end faces 1002 of described live wire shell fragment 15 and zero line shell fragment 16 tops are separately installed with automatically reset thermal sensitive piece 19 and hand-reset thermal sensitive piece 20, automatically reset and be provided with anti-dry live wire push rod 21 between thermal sensitive piece 19 and the extending end 902-1 of live wire support arm 902, between hand-reset thermal sensitive piece 20 and zero line shell fragment 16, be provided with anti-dry zero line push rod 22, under high temperature dry-fire condition, after the 20 temperature-sensitive deformation of hand-reset thermal sensitive piece, by anti-dry zero line push rod 22, press to zero line shell fragment 16, make zero line shell fragment 16 and zero line lead-out terminal 12 offset and switch to released state by touching,

On the described anti-dry supporting plate 10 automatically reseting between thermal sensitive piece 19 and hand-reset thermal sensitive piece 20, PTC insulation sheet 23 is installed, pedestal 8 front ends of zero line support arm 903 1 sides are fixed with insulation sheet fire line terminal 24, PTC insulation sheet 23 is electrically connected with insulation sheet fire line terminal 24 and zero line lead-out terminal 14 respectively, on live wire input terminal 11, be also connected with insulation sheet live wire shell fragment 25, insulation sheet live wire shell fragment 25 is crossed on zero line support arm 903 tops and extends to insulation sheet fire line terminal 24, the zero line support arm 903 of corresponding insulation sheet live wire shell fragment 25 belows is provided with raised step 903-1,

The extending end 902-1 of described live wire support arm 902 is provided with the Plug Division 902-1a being connected with live wire shell fragment 15, on tailgate 901, be connected with the pressing key 906 that extends vacuum flask body 1 outside, by pressing pressing key 906, make the extending end 902-1 of live wire support arm 902 and zero line support arm 903, 903-2 upwards promotes around two supporting protuberances 904, making live wire shell fragment 15 by released state, switch to touching with live wire lead-out terminal 13 offsets, the extending end 903-2 of zero line support arm 903 is promoted to zero line shell fragment 16 bottom surfaces, and the raised step 903-1 on zero line support arm 903 is when upwards promoting, insulation sheet live wire shell fragment 25 is upwards established on top, make insulation sheet live wire shell fragment 25 and insulation sheet fire line terminal 24 offset and switch to released state by touching.

Adopt the electric-heating thermos of this structure, heating and burning prevention function adopt the anti-dry preservation and controlling device 7 of mechanical integral type hand-reset to realize, it is simple in structure, rationally, its operation principle is, power interface 5 is connected with power supply, press pressing key 906, tailgate 901 presses down, seesaw type connection function due to two supporting protuberances 904 and two supporting recesses 801, the extending end 902-1 of live wire support arm 902 and zero line support arm 903, 903-2 upwards promotes around two supporting protuberances 904, make live wire shell fragment 15 and live wire lead-out terminal 13 switch to and touch offset (electrically connecting) by released state (electrically disconnecting), connected the live wire end of heat-generating pipe 3, the extending end 903-2 of zero line support arm 903 is promoted to zero line shell fragment 16 bottom surfaces, make zero line shell fragment 16 keep electrically connecting with zero line lead-out terminal 14 all the time, connected the zero line side of heat-generating pipe 3, heat-generating pipe 3 starts heating, simultaneously, raised step 903-1 on zero line support arm 903 is in the lifting process that makes progress, insulation sheet live wire shell fragment 25 is upwards established on top, make insulation sheet live wire shell fragment 25 and insulation sheet fire line terminal 24 by touching offset (electrically connecting) switch to released state (electrically disconnecting), when being illustrated in heat-generating pipe 3 heating, PTC insulation sheet 23 is all the time in off-position, when reaching energy-conservation, PTC insulation sheet 23 can not worked when heat-generating pipe 3 hot operation simultaneously, reduced the working time of PTC insulation sheet 23, guaranteed that PTC insulation sheet 23 has long-term service life,

When temperature to boil water reaches boiling point, steam in heating inner liner 2 is passed to steam thermal sensitive piece 17 along steam conducting tube 202, steam thermal sensitive piece 17 is produced after deformation, steam fore-set 905 is upwards established on top, thereby seesaw support 9 is resetted, make live wire shell fragment 15 and live wire lead-out terminal 13 by touching offset (electrically connecting) switch to released state (electrically disconnecting), the live wire end power-off of heat-generating pipe 3, heat-generating pipe 3 quits work, by steam thermal sensitive piece 17, boil power-off, can guarantee that boiling water really reaches (100 degree) after boiling point and just disconnects heat-generating pipe 3 heating, the health indicator that meets the boiling water of drinking water, solved kick switch temperature deviation of the prior art large, often adjust ahead of time the disconnected defect waiting, in heat-generating pipe power-off, insulation sheet live wire shell fragment 25 is switched to and is touched offset (electrically connecting) by released state (electrically disconnecting) with insulation sheet fire line terminal 24, be the 23 connection work of PTC insulation sheet, start heat insulation work, because PTC insulation sheet 23 has intelligent heat preserving function, temperature deviation is little, affected by extraneous factor little, reliability is high, safety, that PTC insulation sheet 23 is in insulating process, can repeatedly not seethe with excitement, when needs heat boiling water again, only need manually press pressing key 906 and again boil water.

The utility model possesses heating function and adopts frame for movement, have advantages of heating rapidly, just power-off while guaranteeing boiling water boiling point, and on heat insulation function, the PTC insulation sheet 23 adopting, safe and reliable, working stability, by the design of frame for movement, both can not work simultaneously, realize better function separately, and the electric-heating thermos of this structure, circuit board and a plurality of part being connected with circuit board (for example screw) cancelled, can effectively reduce production cost, easy for installation.

And this structure also has burning prevention function, specifically by automatically reset thermal sensitive piece 19 and the hand-reset thermal sensitive piece 20 being arranged on anti-dry supporting plate 10, complete, the anti-dry that thermal sensitive piece 19 and hand-reset thermal sensitive piece 20 be responsible for respectively live wire end and zero line side that automatically resets disconnects, concrete anti-dry situation is: after pressing pressing key 906, the interior anhydrous or water of heating inner liner 2 is standby to be dryouied, the temperature of heating inner liner 2 raises rapidly, after reaching the temperature-sensitive deformation temperature of automatically reset thermal sensitive piece 19 and hand-reset thermal sensitive piece 20, the deformation respectively of two thermal sensitive pieces, respectively by 21 pairs of live wire support arms 902 of anti-dry live wire push rod to pressing down, 22 pairs of zero line shell fragments of anti-dry zero line push rod 16 carry out to pressing down, make live wire shell fragment 15 separated with live wire lead-out terminal 13, zero line shell fragment 16 is separated with zero line lead-out terminal 14, seesaw support 9 switches to reset condition, disconnect the heating of heat-generating pipe 3, play anti-dry effect, and the thermal sensitive piece 19 that automatically resets returns to after design temperature in ambient temperature, can automatically reset, but seesaw support 9 now switches to reset condition, live wire shell fragment 15 is all the time in live wire lead-out terminal 13 belows (electrically disconnecting), even thermal sensitive piece 19 automatically resets so automatically reset, all can not connect heat-generating pipe 3, and hand-reset thermal sensitive piece 20 is after deformation, must be by manually controlling, just can return to reset condition, to boil water in next time, again press after pressing key 906, the extending end 903-2 of zero line support arm 903 upwards establishes on top by 15 pairs of anti-dry zero line push rods of zero line shell fragment 22, hand-reset thermal sensitive piece 20 is resetted, .

Moreover automatically reset thermal sensitive piece 19 and hand-reset thermal sensitive piece 20 are mounted in anti-dry supporting plate 10 end faces 1002, close with heating inner liner 2 bottom surfaces, temperature-sensitive is satisfactory for result.

Moreover, the utility model has solved in prior art the defect of dry combustion method repeatedly, the utility model is after connecting wire, only can connect PTC insulation sheet 23(only has the low-power of tens watts), and heat-generating pipe 3 must be after switching on power, press again pressing key 906, live wire shell fragment 15 and live wire lead-out terminal 13 could be connected, thereby by heat-generating pipe 3 and power connection work, when not pressing pressing key 906(in a state of nature), even if switch on power, heat-generating pipe 3 is because live wire end is not connected, also cannot work, played the effect of safeguard protection, in addition, when electric-heating thermos is during in keeping warm mode, people are because a couple of days of going out is forgotten and pulls out power line, PTC insulation sheet 23 dryouies the water of heating inner liner 2, there is dry-fire condition, hand-reset thermal sensitive piece 20 can be by anti-dry zero line push rod top 22 to zero line shell fragment 16, zero line shell fragment 16 and zero line lead-out terminal 14 are separated to (disconnecting), hand-reset thermal sensitive piece 20 must be when being used next time, press after pressing key 906, could reset, could again zero line shell fragment 16 be connected with 14 touchings of zero line lead-out terminal, this structure has solved in prior art the defect of dry combustion method repeatedly, improve the security of product, extend electric hot water bottle service life, even avoided the generation of disaster hidden-trouble, by the combination of frame for movement, reached the object of Based Intelligent Control.

Moreover, PTC insulation sheet 23 is when work, can not produce any noise, also can repeatedly not heat to boil water, only can be always in keeping warm mode, only people, need to heat again when to boil water, press pressing key 906, just can again start heat-generating pipe 3 ebuillition of heated to boil water again, can not affect people and normally have a rest, particularly, when people do not do any operation to electric-heating thermos the time of having a rest in the evening.

More specifically embodiment as the present embodiment:

Described anti-dry supporting plate 10 is provided with a plurality of connecting holes 1003, and anti-dry supporting plate 10 passes connecting hole 1003 by securing member and is fixed on heating inner liner 2 bottoms; Connect simple, easy for installationly, dismounting is easy to maintenance.

Described tailgate 901 rear ends are provided with branch sleeve 907, and branch sleeve 907 one end communicate with steam thermal sensitive piece 17, and the other end and steam conducting tube 202 are connected; Steam thermal sensitive piece 17 can be contacted with steam better, complete boiling water and boil rear temperature-sensitive deformation and disconnect heat-generating pipe 3 power supplys.

Described hand-reset thermal sensitive piece 20 is comprised of interior tongue inserted sheet 2001 and the kick wing 2002, on corresponding anti-dry supporting plate 10, offer through hole 1004, on through hole 1004, be extended with the connecting plate 1005 being connected with interior tongue inserted sheet 2001, on connecting plate 1005, be provided with the connecting hole 1006 of pegging graft with interior tongue inserted sheet 2001, anti-dry zero line push rod 22 is arranged between the kick wing 2002 and zero line shell fragment 15, hand-reset thermal sensitive piece 20 deformation under high temperature dry-fire condition, and press on top downwards by anti-dry zero line push rod 22, all the time zero line shell fragment 15 and zero line lead-out terminal 14 are offseted and switched to released state by touching, simple and reasonable for structure.

The outer location anti-dry zero line cover 26 that is arranged with of described anti-dry zero line push rod 22; 26 pairs of anti-dry zero line bars 22 of anti-dry zero line cover position, and prevent from getting loose, and anti-dry live wire bar 21 is outer same sheathed with this location structure.

The temperature-sensitive deformation temperature of described hand-reset thermal sensitive piece 20 is for being more than or equal to 130 degree, and restoring temperature is that 0 degree is to-30 degree.

The temperature-sensitive deformation temperature of the described thermal sensitive piece 19 that automatically resets is for being more than or equal to 120 degree, and restoring temperature is 70 degree to 80 degree.

Described heat-generating pipe 3 consists of separately a heat-generating pipe; An independent heat-generating pipe form, with two heat-generating pipe forms in prior art, can save production cost, reduce mounting process difficulty, and this structure is without adopting circuit board to control, the power of heat-generating pipe 3 can be considered configuration according to actual needs, can realize more powerful heating effect.

Described water pump 6 is electrically connected with insulation sheet fire line terminal 24 and zero line lead-out terminal 14 respectively; Be water pump 6 under PTC insulation sheet 23 "on" positions, just can work, cannot water outlet when to boil water, effectively improved security, delivery port 4 can be arranged on vacuum flask body 1 top, delivery port 4 one sides are provided with delivery port microswitch 27.

Described pedestal 8 front ends are provided with installing plate 30, the upper and lower side of installing is separated into input connection chamber 3001 and output connection chamber 3002, live wire input terminal 11 and zero line input terminal 12 are fixed on installing plate 30, and extend in input connection chamber 3001 simultaneously, live wire shell fragment 15 and zero line shell fragment 16 are connected in output connection chamber 3002, and live wire shell fragment 15 and zero line shell fragment 16 wherein one end pass through two rivets 31, 32 is fixing, insulation sheet live wire shell fragment 25 is connected to output connection chamber 3002, by live wire intermediate 33, be connected with live wire shell fragment 15 and be whole, insulation sheet live wire shell fragment 25 is also connected with live wire input terminal 11 by insulation sheet rivet 28, live wire lead-out terminal 13 and zero line lead-out terminal 14 are separately fixed at output connection chamber 3002 both sides.

Above-described specific embodiment, is only the utility model preferred embodiment, and the equivalent arrangements of such as doing according to the utility model claim, all should be technology of the present utility model and contain.

Claims (9)

1. novel electric-heating thermos, comprise vacuum flask body (1), in vacuum flask body (1), be provided with heating inner liner (2), heating inner liner (2) bottom is provided with heat-generating pipe (3), vacuum flask body (1) is provided with delivery port (4) and power interface (5), water pump (6) is installed in vacuum flask body (1), the water inlet pipe (601) of water pump (6) and outlet pipe (602) are connected with heating inner liner (3) bottom (201) and delivery port (4) respectively, it is characterized in that, described heating inner liner (2) bottom (201) is provided with the anti-dry preservation and controlling device (7) of integral type hand-reset, comprise pedestal (8), seesaw support (9) and anti-dry supporting plate (10),

Described anti-dry supporting plate (10) is fixed on heating inner liner (2) bottom (201), pedestal (8) is connected with anti-dry supporting plate (10) bottom surface (1001), pedestal (8) front end is fixed with respectively live wire input terminal (11) and the zero line input terminal (12) being electrically connected with power interface (5), pedestal (8) front end both sides are fixed with respectively live wire lead-out terminal (13) and the zero line lead-out terminal (14) being electrically connected with heat-generating pipe (3), live wire input terminal (11) and zero line input terminal (12) are connected with respectively live wire shell fragment (15) and zero line shell fragment (16), zero line shell fragment (15) offsets with zero line lead-out terminal (14) touching,

Described seesaw support (9) comprises tailgate (901), tailgate (901) is upper is extended with live wire support arm (902) and zero line support arm (903) toward live wire shell fragment (15) and zero line shell fragment (16) direction, live wire support arm (902) and zero line support arm (903) inner side are arranged with two supporting protuberances (904), seesaw support (9) is seesaw type by two support convex (904) and sits on the two supporting recesses (801) that are located at both sides, pedestal (8) middle part, pedestal (8) rear end is provided with steam thermal sensitive piece (17), tailgate (901) rear end is connected with pedestal (8) rear end elasticity by connecting shell fragment (18), tailgate (901) rear end of steam thermal sensitive piece (17) top is extended with steam fore-set (905), in heating inner liner (2), be provided with steam conducting tube (202), steam conducting tube (202) one end extends to pedestal (8) rear end, communicate with steam thermal sensitive piece (17),

Anti-dry supporting plate (10) end face (1002) of described live wire shell fragment (15) and zero line shell fragment (16) top is separately installed with the thermal sensitive piece that automatically resets (19) and hand-reset thermal sensitive piece (20), automatically reset and be provided with anti-dry live wire push rod (21) between thermal sensitive piece (19) and the extending end (902-1) of live wire support arm (902), between hand-reset thermal sensitive piece (20) and zero line shell fragment (16), be provided with anti-dry zero line push rod (22), under high temperature dry-fire condition, after hand-reset thermal sensitive piece (20) temperature-sensitive deformation, by anti-dry zero line push rod (22), press to zero line shell fragment (16), make zero line shell fragment (16) and zero line lead-out terminal (12) offset and switch to released state by touching,

On anti-dry supporting plate (10) between the described thermal sensitive piece that automatically resets (19) and hand-reset thermal sensitive piece (20), PTC insulation sheet (23) is installed, pedestal (8) front end of zero line support arm (903) one sides is fixed with insulation sheet fire line terminal (24), PTC insulation sheet (23) is electrically connected with insulation sheet fire line terminal (24) and zero line lead-out terminal (14) respectively, on live wire input terminal (11), be also connected with insulation sheet live wire shell fragment (25), insulation sheet live wire shell fragment (25) is crossed on zero line support arm (903) top and extends to insulation sheet fire line terminal (24), the zero line support arm (903) of corresponding insulation sheet live wire shell fragment (25) below is provided with raised step (903-1),

The extending end (902-1) of described live wire support arm (902) is provided with the Plug Division (902-1a) being connected with live wire shell fragment (15), on tailgate (901), be connected with the pressing key (906) that extends vacuum flask body (1) outside, by pressing pressing key (906), make the extending end (902-1) of live wire support arm (902) and zero line support arm (903), (903-2) around two supporting protuberances (904), upwards promote, making live wire shell fragment (15) by released state, switch to touching with live wire lead-out terminal (13) offsets, the extending end (903-2) of zero line support arm (903) is promoted to zero line shell fragment (16) bottom surface, and the raised step (903-1) on zero line support arm (903) is when upwards promoting, insulation sheet live wire shell fragment (25) is upwards established on top, make insulation sheet live wire shell fragment (25) and insulation sheet fire line terminal (24) offset and switch to released state by touching.

2. novel electric-heating thermos according to claim 1, it is characterized in that, described anti-dry supporting plate (10) is provided with a plurality of connecting holes (1003), and anti-dry supporting plate (10) passes connecting hole (1003) by securing member and is fixed on heating inner liner (2) bottom.

3. novel electric-heating thermos according to claim 1, is characterized in that, described tailgate (901) rear end is provided with branch sleeve (907), and branch sleeve (907) one end communicates with steam thermal sensitive piece (17), and the other end and steam conducting tube (202) are connected.

4. novel electric-heating thermos according to claim 1, it is characterized in that, described hand-reset thermal sensitive piece (20) is comprised of interior tongue inserted sheet (2001) and the kick wing (2002), on corresponding anti-dry supporting plate (10), offer through hole (1004), on through hole (1004), be extended with the connecting plate (1005) being connected with interior tongue inserted sheet (2001), on connecting plate (1005), be provided with the connecting hole (1006) of pegging graft with interior tongue inserted sheet (2001), anti-dry zero line push rod (22) is arranged between the kick wing (2002) and zero line shell fragment (15), hand-reset thermal sensitive piece (20) deformation under high temperature dry-fire condition, and press on top downwards by anti-dry zero line push rod (22), all the time zero line shell fragment (15) and zero line lead-out terminal (14) are offseted and switched to released state by touching.

5. novel electric-heating thermos according to claim 4, is characterized in that the outer location anti-dry zero line cover (26) that is arranged with of described anti-dry zero line push rod (22).

6. novel electric-heating thermos according to claim 1, is characterized in that, the temperature-sensitive deformation temperature of described hand-reset thermal sensitive piece (20) is for being more than or equal to 130 degree, and restoring temperature is that 0 degree is to-30 degree.

7. novel electric-heating thermos according to claim 1, is characterized in that, described in automatically reset the temperature-sensitive deformation temperature of thermal sensitive piece (19) for being more than or equal to 120 degree, restoring temperature is 70 degree to 80 degree.

8. novel electric-heating thermos according to claim 1, is characterized in that, described heat-generating pipe (3) consists of separately a heat-generating pipe.

9. novel electric-heating thermos according to claim 1, is characterized in that, described water pump (6) is electrically connected with insulation sheet fire line terminal (24) and zero line lead-out terminal (14) respectively.

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