A kind of anticreep Glass tube heater
Technical field
The present invention relates to a kind of Glass tube heater, especially is a kind of Glass tube heater with anticreep effect, and it is particularly useful for tea-making facility, making tea machine and coffee machine etc. with heater.
Background technology
Traditional tea-making facility; Like tea tray, have heater usually, its structure includes the tea tray body; The tea tray body is provided with the tea tray face that is used to bear (bubble) teapot, teacup; The tea tray face is provided with sewage collecting tank, and tea tray body one side is as electric heater unit, and electric heater unit adopts electromagnetic oven more and is furnished with the kettle body formation that electromagnetism is heated; During use, people toward kettle perfusion in vivo running water, are placed on the electromagnetism boiler face with the kettle body again and are heated to boiling earlier, and are last, pour the water that boils into teapot (making tea), for drinking.
There is following weak point in the tea-making facility of above-mentioned traditional structure: (1) tea-making facility adopts electromagnetic oven as electric heater unit, belongs to non-Instant heating type, when to boil water; Because the volume of teapot is less, therefore, the boiling water in the kettle body can not all be introduced in the teapot, stays boiling water unnecessary in the kettle body; If temperature reduces slightly, influence is made tea, even can not drink, therefore as making tea; Unnecessary boiling water in the kettle body is often toppled over, the waste electric energy; (2) make tea at every turn, all need be fed into running water in the kettle body, be placed on the heating of electromagnetism boiler face again, also will pour boiling water in the teapot at last, just can make tea and drink, whole operation is loaded down with trivial details, inconvenient; Have, the tea-making facility of above-mentioned traditional structure, the water source of its use mainly are running water again, to a certain extent, have limited the different choice of people to the water source.
For this reason, the part tea-making facility is arranged also, use instantaneously heated type electric heater unit, that is: the Instant heating type heater that setting is communicated with running water or storage tank on tea set, and installation is turned on the tap with Instant heating type heater is communicated with on tea tray; When people make tea, be put into turn on the tap (" Instant heating type heater " energising work at this moment) to teapot, will turn on the tap again to open and to flow out boiling water immediately; Filling boiling water until teapot turns off and turns on the tap; Whole operation is simple and easy, convenient, and, really accomplish to drink the effect how much boiling water how much boiling water, heater boil; Can not cause waste, save electric energy.
Yet still there is following weak point in above-mentioned instantaneously heated type electric heater unit: (1) this kind instantaneously heated type electric heater unit, adopt metallic conduit formula heater more, and it is easy to generate incrustation scale, influences mouthfeel, and the quality of metallic conduit formula heater is heavy, carries inconvenience; And another kind of Instant heating type heater " Glass tube heater ", its structure mainly is: it comprises the glass heats pipe, the glass heats pipe has water inlet and delivery port; The pipe outer wall heating of glass heats pipe, tube cavity water flowing; The glass heats pipe is the electrothermal tube of glass outer wall plated film, that is: glass outer wall plates one deck conductive film layer, utilizes the conductive film layer heating power; Heat passes to the water of tube cavity through tube wall, realizes the water express delivery heating to tube cavity, the effect of boiling; This kind of Glass tube heater is processed in view of tube wall system adopts glass material, has substituted the metal material that is easy to generate incrustation scale; Therefore, its mouth of a river of boiling sense is fabulous, can satisfy the high-end requirement of the water of making tea; But the intensity of Glass tube heater is not high, runs into explosion, electric leakage easily; Therefore, there is certain potential safety hazard.
Summary of the invention
The objective of the invention is to overcome in the above-mentioned prior art and to be prone to cause the deficiency of electric leakage because of the Glass tube heater explosion, and provide a kind of simple and reasonable for structure, the anticreep Glass tube heater of safety in utilization.
The objective of the invention is to realize like this.
Anticreep Glass tube heater; Comprise the glass heats pipe, the glass heats pipe has water inlet and delivery port, the pipe outer wall heating of glass heats pipe, tube cavity water flowing; Said glass heats pipe is the electrothermal tube of glass outer wall plated film; It is characterized in that said glass heats pipe periphery is provided with the proof and electric leakage-proof safety shell, extends ground lead on the proof and electric leakage-proof safety shell; This kind of Glass tube heater is through being provided with the proof and electric leakage-proof safety shell in glass heats pipe periphery, so that during the glass heats pipe explosion; The proof and electric leakage-proof safety shell can touch (charged) glass fragment or (charged) water of explosion from comprehensive angle; Electric leakage is derived by ground lead through protecting sheathing, overcomes because of the glass tube explosion causes the existing safe hidden danger of electric leakage, and the security that product uses is better; And; The proof and electric leakage-proof safety shell also plays the effect of cover glass pipe to a certain extent, and it is simple and reasonable for structure.
The object of the invention can also adopt following technical measures to solve.
As preferred scheme, said proof and electric leakage-proof safety shell can be designed to have the outer outlet body in gap according to instructions for use, so that glass fragment or water can fly out from the gap, and through touching with outer outlet body, electric leakage is in time discharged from ground lead.
As scheme more specifically, the outer outlet body that said proof and electric leakage-proof safety shell system is interlaced by connection strap or contiguous block, constitute netted gap; The protecting sheathing of this structure can be realized anti-creeping effect equally.
Another program of said proof and electric leakage-proof safety shell is that it can be curled into the outer outlet body of band gap by one or several connection strap along the glass heats tube outer surface.
Said ground lead electrically connects with welding, the mode that is spirally connected or pegs graft and proof and electric leakage-proof safety shell, so that electric leakage can be discharged through ground lead from protecting sheathing.
As the scheme of refinement more, the two ends of said glass heats pipe are provided with Connection Block, and proof and electric leakage-proof safety shell two ends are connected with Connection Block respectively.
The distance that has 3mm to 8mm between the pipe outer wall of said proof and electric leakage-proof safety shell and glass heats pipe, this distance can guarantee that the glass heats pipe is charged because of outer wall, and touch protecting sheathing easily, belong to reasonably " row's electrical distance ".
Beneficial effect of the present invention is following.
(1) Glass tube heater of the present invention; Through the proof and electric leakage-proof safety shell being set in glass heats pipe periphery; So that during the glass heats pipe explosion, the proof and electric leakage-proof safety shell can touch (charged) glass fragment or (charged) water of explosion from comprehensive angle, and electric leakage is derived by ground lead through protecting sheathing; Overcome because of the glass tube explosion causes the existing safe hidden danger of electric leakage, the security that product uses is better.
(2) have again,, to a certain extent, also play the effect of cover glass pipe through the proof and electric leakage-proof safety shell being set in glass heats pipe periphery, and simple and reasonable for structure.
(3) this kind of Glass tube heater; Owing to there is the distance of 3mm to 8mm between the pipe outer wall of proof and electric leakage-proof safety shell and glass heats pipe; This distance can guarantee that the glass heats pipe is charged because of outer wall, and touches protecting sheathing easily, belongs to reasonably " row's electrical distance ".
Description of drawings
Fig. 1 is the sketch map of Glass tube heater of the present invention.
Fig. 2 is another embodiment sketch map of Fig. 1 Glass tube heater.
The specific embodiment
Embodiment one: as shown in Figure 1, a kind of anticreep Glass tube heater comprises glass heats pipe 1; Glass heats pipe 1 has water inlet 2 and delivery port 3, the pipe outer wall heating of glass heats pipe 1, tube cavity water flowing, and said glass heats pipe 1 is the electrothermal tube of glass outer wall plated film; It is characterized in that; Said glass heats pipe 1 periphery is provided with proof and electric leakage-proof safety shell 4, extends ground lead 5 on the proof and electric leakage-proof safety shell 4, wherein; The outer outlet body of said proof and electric leakage-proof safety shell 4 frenulums gapped 6, and ground lead 5 electrically connects with welding, the mode that is spirally connected or pegs graft and proof and electric leakage-proof safety shell 4.The two ends of said glass heats pipe 1 are provided with Connection Block 7, and proof and electric leakage-proof safety shell 4 two ends are connected with Connection Block 7 respectively; Said proof and electric leakage-proof safety shell 4 is an outer outlet body interlaced by connection strap, that constitute netted gap 6.
Operation principle: during use; Meet 1 explosion of glass heats pipe; (charged) glass fragment of explosion or (charged) water can touch the proof and electric leakage-proof safety shell 4 of comprehensive encirclement, and electric leakage can be discharged from ground lead 5; Overcome because of the glass tube explosion causes the existing safe hidden danger of electric leakage, the security that product uses is better.
Embodiment two: as shown in Figure 2, this embodiment is similar with the foregoing description one, and difference is merely: said proof and electric leakage-proof safety shell 4 is an outer outlet body interlaced by contiguous block, that constitute netted gap 6.
Certainly, said proof and electric leakage-proof safety shell 4 also can be the outer outlet body (not looking out) that is curled into band gap 6 by one or several connection strap along the glass heats tube outer surface; This embodiment can be realized the effect of the purpose " anticreep " of patent of the present invention equally.
As better embodiment; The distance that has 3mm to 8mm between the pipe outer wall of said proof and electric leakage-proof safety shell and glass heats pipe, this distance can guarantee that the glass heats pipe is charged because of outer wall, and touch protecting sheathing easily; Belong to reasonably " row's electrical distance ", this is 3.5mm apart from optimum value.
Glass tube heater of the present invention is particularly useful for tea-making facility, making tea machine and the coffee machine etc. with heater.