Background technology
Can have a lot to the device of heating liquid, modal similar device has electric kettle, immersion heater and warm milk device, warm milk device is wherein of a great variety, it is easy to use, fast, practical, deeply like by consumers in general and approve, modal on market is exactly that water-bath type warms up milk device and milk warming equipment without water, water-bath type wherein warms up milk device, in container, water is housed, then the feeding bottle that milk is housed of required heating is directly put in the water in container, after switching on power, heating container is first by the water heating in container, by the hot water in container, feeding bottle is warmed up heat simultaneously, its shortcoming is mainly manifested in: feeding bottle directly contacts with the water in container, after warm milk, easily take out of in water from container when taking out feeding bottle, surrounding enviroment can be got wet, inconvenient when causing use, and often can because of the outer watchband water of bottle, the easy landing of feeding bottle, therefore water-bath type warms up feeding bottle can exist inconvenience in use.
Milk warming equipment without water is the mainstay product in nowadays market, owing to can not adhere to outward water droplet at feeding bottle when it uses and very popular.Be 200920052393.5 at application number and be called that in the background technology of the Chinese patent of " water-free milk warmer structure ", announcement adopts hot-water bottle, water bag conducts heat to the mode of milk container again, but this mode complex structure, heat transfer efficiency is low, and the water still used in water bag is not accomplished real to exempt from water, so this application people have employed be provided with heating of metal part under warm feeding bottle in that patent, and then the mode increasing heat conduction flexible glue bottom heating of metal part and warm feeding bottle realizes the heating to feeding bottle, and the contact area of feeding bottle and heat-conducting metal pieces is increased by heat conduction flexible glue, thus raising heat transfer efficiency.
But at employing heat-conducting metal pieces as when heater element, the impact of the characteristic of expanding with heat and contract with cold being subject to metal itself is very easy between heat-conducting metal pieces and heating film, thus after used a period of time, heat-conducting metal pieces can deform, and then the contact area between heat-conducting metal pieces and heating film is reduced, so, even if not only cause heating film to transfer heat to heat-conducting metal pieces and the damage of diaphragm of occurring to generate heat, and the heat transference efficiency that heat-conducting metal pieces transfers heat to milk can be affected.
Summary of the invention
The first object of the present invention is that providing a kind of can make heat-conducting metal pieces not yielding thus improve the milk bottle holder warming up milk efficiency.
The second object of the present invention is to provide the warm feeding bottle with above-mentioned milk bottle holder, to improve warm milk efficiency.
The third object of the present invention is the socket providing a kind of and above-mentioned milk bottle holder to combinationally use, to improve the safety in utilization of milk bottle holder.
For realizing the first above-mentioned object, the invention provides following technical scheme: a kind of milk bottle holder, comprise pedestal drain pan, the heater block be located on pedestal drain pan, butt joint base heater block is pressed on pedestal drain pan, described heater block, comprise heating membrane and fit in the upper thermal conductive metal plate of heating membrane upper and lower surface and lower thermal conductive metal plate, the periphery in described upper thermal conductive metal plate, lower thermal conductive metal plate and heating membrane is coated with the securing member be made up of heat proof material.
By adopting technique scheme, heater block is by heating membrane and be fitted in the upper thermal conductive metal plate of heating membrane upper and lower surface and lower thermal conductive metal plate, when the diaphragm that generates heat starts conductive exothermal time, the heat produced can pass on thermal conductive metal plate and lower thermal conductive metal plate fast, and then by upper thermal conductive metal plate, the heat of generation is passed to the heating needing the object of heating to realize to heating thing, on in this process, the thermaltransmission mode of lower thermal conductive metal plate and heating diaphragm is mainly through realizing the direct conduction of heat with the binding face of heating diaphragm, more than institute, the fitting area of lower thermal conductive metal plate and heating diaphragm is by the heat transference efficiency of the diaphragm that directly causes generating heat and upper, lower thermal conductive metal plate absorbs the efficiency of heat, and on, the factor that lower thermal conductive metal plate is very easy to be expanded with heat and contract with cold after used a period of time affects thus internal stress is concentrated and occurs the bending phenomenon upwarped, once there is bending upwarping, and the contact area between heating diaphragm will reduce, even and if then make generate heat diaphragm cannot transfer heat to, even if lower thermal conductive metal plate makes its heating excessive and cannot dispel the heat and cause shorten service life, make simultaneously, lower thermal conductive metal plate is owing to absorbing the minimizing of heat thus making heat transfer efficiency reduce, in order to overcome this problem, in described upper thermal conductive metal plate, the periphery of lower thermal conductive metal plate and heating membrane is coated with the securing member be made up of heat proof material, due to upper, lower thermal conductive metal plate produces flexural deformation normally because the concentrated of internal stress causes, so on occurring that the bending highlight upwarped is, the periphery of lower thermal conductive metal plate, by at upper thermal conductive metal plate, the periphery of lower thermal conductive metal plate and heating membrane is coated with the securing member be made up of heat proof material, to significantly limit, lower the bending of thermal conductive metal plate upwarps problem, and there is distortion easily in it, and then ensure that, lower face laminating degree between thermal conductive metal plate and heating membrane, tackle the problem at its root, improve service life and the heat conduction efficiency of heat generating components.
Be optimized for further: one end of the relative heater block of described butt joint base is provided with the ring wall that perisporium extends to center, described ring wall mates with the appearance and size of described securing member, and ring wall compresses described securing member and butt joint base and upper thermal conductive metal plate formed seal after pedestal drain pan is installed.
By adopting technique scheme, butt joint base is when loading pedestal drain pan, the ring wall be located on butt joint base will compress with securing member, make to be formed between butt joint base and upper thermal conductive metal plate to seal, prevent from being with the material of heating to enter into lower thermal conductive metal plate part from the junction of securing member and butt joint base, and then the circuit part entered in pedestal drain pan affects the normal use of milk bottle holder.
Be optimized for further: wear in described upper thermal conductive metal plate, lower thermal conductive metal plate and heating membrane and be fixed with temperature sensing part.
By adopting technique scheme, real-time temperature detection can be carried out to the material heated by heating membrane by temperature sensing part, after outside connects constant temperature control circuit, just can having more the control that data that temperature sensing part feeds back heat heating membrane or stop to heat, providing condition for realizing heated at constant temperature.
Be optimized for further: described temperature sensing part comprises thermistor, the post that is threaded, be located at thermistor and be threaded and compress ring plate between post, described be threaded post successively through after upper thermal conductive metal plate, heating membrane and lower thermal conductive metal plate by fastening nuts, compress ring plate and upper thermal conductive metal plate forms crush seal in described.
By adopting technique scheme, the post that is threaded in temperature sensing part is passed upper thermal conductive metal plate, heating membrane and lower thermal conductive metal plate successively, and making to compress ring plate is pressed on thermal conductive metal plate, lock by nut the post that is threaded again to be fastened on lower thermal conductive metal plate, realize temperature sensing part fixing on heater block; And by compressing ring plate, upper thermal conductive metal plate being used for blocking through the hole of the post that is threaded realizing sealing, preventing the material heated by upper thermal conductive metal plate to flow into from this gap in base body drain pan and destroying circuit; And the setting of this mode, when upper thermal conductive metal plate heats liquid substance, when liquid does not have thermistor, heating membrane just started heating work, the heat passed over by upper thermal conductive metal plate can pass to thermistor by compressing ring plate, simultaneously can also by lower thermal conductive metal plate transferring heat to nut, thermistor is passed to after the post that is threaded again by screw thread transferring heat, finally feed back to external constant temperature control circuit by thermistor, make heating membrane stop heating, prevent the dry combustion method problem of milk bottle holder.
Be optimized for further: described in compress between ring plate and upper thermal conductive metal plate and be provided with the first sealing ring, be provided with the second sealing ring between described nut and lower thermal conductive metal plate.
By adopting technique scheme, by the setting of the first sealing ring and the second sealing ring, add the sealing property between temperature sensing part and heater block.
Be optimized for further: described upper thermal conductive metal plate and heating membrane are bonded by glue in binding face place, realize removably connecting by securing member and heating membrane between described lower thermal conductive metal plate and heating membrane.
By adopting technique scheme, when use milk bottle holder, the upper thermal conductive metal plate being arranged on heating membrane is the part directly contacted with material to be heated, when heating, the transmission of heat is mainly divided into two paths, one of them heat produced by heating membrane passes to the material that then upper thermal conductive metal plate passes to band heating, another approach is, the heat that heating membrane produces pass to lower thermal conductive metal plate then back transfer pass to material to be heated again to after upper thermal conductive metal plate, so in the process of this heating, upper thermal conductive metal plate is owing to being directly contact with material to be heated, the transmission of heat is more timely and amplitude that is thermal change own is smaller, be not easy to occur to occur due to suddenly cold and hot the problem that stress was concentrated and then made upper thermal conductive metal plate and is out of shape, so directly adopt the mode that upper thermal conductive metal plate and heating membrane adopt glue to bond, this bonding force is enough to the stress deformation ability offsetting thermal conductive metal plate, descend the heat transfer mode of thermal conductive metal plate in addition mainly by the material of band heating just passed to after upper thermal conductive metal plate, the heat trnasfer of following thermal conductive metal plate compare upper thermal conductive metal plate comparatively not in time, relatively easily occur that stress is concentrated and then the problem of the trend that upwarps that bends, so adopt the mode that the periphery of lower thermal conductive metal plate and heating membrane and upper thermal conductive metal plate are detachably fixed by securing member, was using that for a long time afterwards stress is too concentrated and securing member well cannot fix it so that solve once lower thermal conductive metal plate, replacing process is carried out to it, and this mode arranges rationally, change conveniently.
For realizing the second above-mentioned object, the invention provides following technical scheme: a kind of warm feeding bottle, above-mentioned milk bottle holder, described milk bottle holder is connected with bottle body.
By adopting technique scheme, can directly the bottom of bottle body be arranged to uncovered here, namely, after putting into milk in bottle body, milk can directly contact with the upper thermal conductive metal plate on milk bottle holder, owing to being formed with good sealing between the butt joint base and upper thermal conductive metal plate of milk bottle holder, so also can not Seepage be there is after milk directly contacts with upper thermal conductive metal plate, and by the direct mode contacted with upper thermal conductive metal plate of milk, to greatly promote the heat transfer efficiency of upper thermal conductive metal plate, further quote safety in order to what ensure milk, here upper thermal conductive metal plate and lower thermal conductive metal plate all select stainless steel substrates.
Be optimized for further: described milk bottle holder and bottle body removably connect, described bottle body is band external screw thread and uncovered docking port relative to one end of milk bottle holder, and one end of the relative bottle body of butt joint base of described milk bottle holder is provided with the internal thread matched with docking port.
By adopting technique scheme; milk bottle holder and bottle body are achieved removably connect; due to feeding bottle after usage bottle body bottom can adhere to one deck milk stain; relatively be difficult to cleaning, by this setup, directly milk bottle holder can be disassembled cleaning bottom bottle body; namely the cleannes of thermal conductive metal plate are protected; and then keep its heat conductivility, facilitate again the cleaning of bottle body, improve the hygiene that baby drinks.
Be optimized for further: described butt joint base is provided with the 3rd sealing ring, the docking port end of this bottle body and the 3rd sealing ring press seal after described bottle body is connected with butt joint base.
By adopting technique scheme, because bottle body and milk bottle holder adopt dismountable mode, the problem of sealing will inevitably be caused, thus on butt joint base, be provided with the 3rd sealing ring, make bottle body be connected with butt joint base after the docking port end of this bottle body and the 3rd sealing ring press seal, avoid the problem that seepage occurs from the junction of milk bottle holder and bottle body milk.
For realizing the 3rd above-mentioned object, the invention provides following technical scheme: a kind of and above-mentioned milk bottle holder with the use of socket, described socket is provided with the caveli suitable with milk bottle holder shape, enclosure interior in socket is provided with constant temperature control circuit, realizes the connection of heater block, temperature sensing part and constant temperature control circuit after milk bottle holder puts into this caveli.
By adopting technique scheme, constant temperature control circuit is provided with in the enclosure interior of socket, constant temperature control circuit wherein can adopt the constant temperature control circuit in JDEC controller Thermostatic water heaters controller 24V, milk bottle holder directly can be put into the caveli being provided with form fit with it, realize the heater block in milk bottle holder, the connection of temperature sensing part and constant temperature control circuit, and then when milk bottle holder connects upper bottle body to milk realization heating time, can be heated upper thermal conductive metal plate and lower thermal conductive metal plate by heating membrane, again by upper thermal conductive metal plate by heat conduction to milk, temperature in milk will be detected by thermistor and then feed back to constant temperature control circuit, when the temperature of feedback does not reach setting value, then constant temperature control circuit makes heating membrane heating work by continuing, continue to heat milk, when the temperature fed back meets or exceeds preset value, then constant temperature control circuit will make heating membrane stop heating, finally make the temperature of milk can reach the setting preset value of constant temperature, milk coolant-temperature gage is controlled, more be applicable to drinking of baby.
The present invention's advantage is compared with prior art:
1. owing to the heater block of milk bottle holder to be adopted thermal conductive metal plate and lower thermal conductive metal plate in the upper and lower surface laminating of heating membrane, and the mode of the securing member be made up of heat proof material is coated with at the periphery of upper thermal conductive metal plate, lower thermal conductive metal plate and heating membrane, add the resistance to stress deformability of thermal conductive metal plate and lower thermal conductive metal plate, and then improve the heat conduction efficiency of heater block;
2., by the milk bottle holder that above-mentioned heater block is housed being applied to the mode on warm feeding bottle, improve the efficiency of heating surface of milk in warm feeding bottle;
3. by adopt with above-mentioned milk bottle holder with the use of socket, improve the usage safety performance of the heater block of milk bottle holder.
Embodiment: milk bottle holder and bottle body 13 are combinationally used and forms warm feeding bottle, then warm feeding bottle and socket 14 are combinationally used and form warm milk device, see Fig. 1 to Fig. 3, Fig. 1 be wherein warm feeding bottle and socket 14 with the use of figure, the sidewall of socket 14 is provided with electric input hole, external 220V-24V transformer, thus ensure that the voltage of input in socket 14 is to human-body safety, and constant temperature control circuit is provided with in the housing of socket 14, heater block 2 is realized after milk bottle holder puts into this caveli 15, the connection of temperature sensing part 7 and constant temperature control circuit, and in order to ensure that warm feeding bottle inserts the electricity docking accuracy after socket 14, milk bottle holder arranges vertical evagination limit rib 17, the inwall of the caveli 15 of socket 14 arranges the vertical stopper slot 16 that caves in, ensure that the position precision of milk bottle holder when insertion socket 14.
First the Nipple of a feeding bottle of bottle body 13 is opened, add milk inside, and the milk be in bottle body 13 will directly contact with the upper thermal conductive metal plate 5 of milk bottle holder, after plugging in, control heating membrane 4 heats by constant temperature control circuit, constant temperature control circuit wherein can adopt the constant temperature control circuit in JDEC controller Thermostatic water heaters controller 24V, when heating, the transmission of heat is mainly divided into two paths, and one of them heat produced by heating membrane 4 passes to upper thermal conductive metal plate 5 and then passes to milk, another approach is, the heat that heating membrane 4 produces pass to lower thermal conductive metal plate 6 then back transfer pass to material to be heated again to after upper thermal conductive metal plate 5, so in the process of this heating, upper thermal conductive metal plate 5 is owing to being directly contact with material to be heated, the transmission of heat is more timely and amplitude that is thermal change own is smaller, be not easy to occur to occur due to suddenly cold and hot the problem that stress was concentrated and then made upper thermal conductive metal plate 5 and is out of shape, so directly adopt the mode that upper thermal conductive metal plate 5 adopts glue to bond with heating membrane 4, this bonding force is enough to the stress deformation ability offsetting thermal conductive metal plate 5, descend the heat transfer mode of thermal conductive metal plate 6 in addition mainly by the material of band heating just can be passed to after upper thermal conductive metal plate 5, the heat trnasfer of following thermal conductive metal plate 6 compare upper thermal conductive metal plate 5 comparatively not in time, relatively easily occur that stress is concentrated and then the problem of the trend that upwarps that bends, so adopt the mode that the periphery of lower thermal conductive metal plate 6 and heating membrane 4 and upper thermal conductive metal plate 5 are detachably fixed by securing member 8, was using that for a long time afterwards stress is too concentrated and securing member 8 well cannot fix it so that solve once lower thermal conductive metal plate 6, replacing process is carried out to it.
Then, it is the continuous heating process of heating membrane 4, in the process, the heat that heating membrane 4 produces constantly passes in the milk in bottle body 13 by upper thermal conductive metal plate 5, temperature in milk will be detected by thermistor 71 and then feed back to constant temperature control circuit, when the temperature of feedback does not reach setting value, (setting value here can be set to 30 degree, the milk of 30 degree is applicable to baby and drinks) then constant temperature control circuit make heating membrane 4 heating work by continuing, continue to heat milk, when the temperature fed back meets or exceeds 30 degree time, then constant temperature control circuit will make heating membrane 4 stop heating, finally make the temperature of milk can reach the setting preset value of constant temperature, milk coolant-temperature gage is controlled, more be applicable to drinking of baby.
Finally; when the milk in feeding bottle has been drunk; can transfering to warm feeding bottle entirety in socket 14; turn milk bottle holder; realize being separated of bottle body 13 and milk bottle holder; due to feeding bottle after usage bottle body bottom can adhere to one deck milk stain; relatively be difficult to cleaning; pass through this setup; directly milk bottle holder can be disassembled cleaning bottom bottle body 13, namely protect the cleannes of thermal conductive metal plate 5, and then keep its heat conductivility; facilitate again the cleaning of bottle body 13, improve the hygiene that baby drinks.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.