CN202441988U

CN202441988U - Electric heating faucet

Info

Publication number: CN202441988U
Application number: CN2012200148630U
Authority: CN
Inventors: 李岩清
Original assignee: 李岩清
Priority date: 2012-01-13
Filing date: 2012-01-13
Publication date: 2012-09-19

Abstract

The utility model discloses an electric heating faucet, which comprises a faucet body with a faucet base, a faucet nozzle and a faucet switch. The faucet base is a hollow casing, a water container is reserved in the hollow casing and provided with a shell, and a gap is reserved between the outer wall of the shell and the inner wall of the hollow casing. An electric heater is arranged in the water container and electrically connected with an external power source. A control switch used for controlling the electric heater to be powered to heat is in series connection between the electric heater and the external power source. A cold water inlet for an external water source to enter the inside of the water container is arranged at one end of the water container, and a hot water outlet communicated with the faucet nozzle is arranged at the other end of the water container. The control switch is a water-pressure powered water-valve switch which is powered by effect of water pressure and arranged in the hollow casing and located at a position out of the cold water inlet but capable of being stressed with water flow pressure. The electric heating faucet is high in heating efficiency and more convenient to use due to the fact that the faucet base cannot scald hands of users.

Description

Electric hot water tap

Technical field

The utility model relates to a kind of electric hot water tap.

Background technique

At present; The electric hot water tap of being sold on the market is generally an electrothermal body is directly placed in the tap seat into hollow casing, heats through external power supply, and its shortcoming is: 1, the water after the heating directly contacts the housing of tap seat; Cause the tap seat housing very boiling hot, scald one's hand easily; 2, the cavity volume in the tap seat is bigger usually, and electrothermal body directly heats water more a large amount of in the chamber, and the efficiency of heating surface is relatively poor, to run out a lot of cold water usually after water temperature just understand heating, not only use inconveniently, also cause certain water resource waste; 3, electrothermal body is to the unlimited heating of the water in the chamber, cause in the chamber water temperature near or equal boiled water temperature, use accidentally and scald easily.

The model utility content

In view of this, the utility model technical problem to be solved is: the electric hot water tap that a kind of rate of heating is fast and tap seat can not scald one's hand is provided.

In order to achieve the above object, the utility model adopts following technological scheme to realize:

A kind of electric hot water tap; Comprise have tap seat, the water halter body of bib nozzle and tap; Said tap seat is a hollow casing, wherein, is provided with the appearance water tank in the said hollow casing; Said appearance water tank has the cabin shell; Have the gap between the outer wall of said cabin shell and the inwall of said hollow casing, be provided with electrothermal body in the said appearance water tank, said electrothermal body is electrically connected at external power supply; Also be connected in series with between said electrothermal body and the external power supply in order to control the control switch of self heating power; One end of said appearance water tank has and supplies external water source to get into self inner cold water inlet, the other end to have the hot water outlet that is communicated with said bib nozzle, and said control switch is located in the said hollow casing and is positioned at the position that said cold water inlet is outer, flowing water pressure can touch for the water pressure pushing energising valve switch through the water pressure pushing energising, said water pressure pushing energising valve switch.

As preferably, said water intake is connected with intake pipe, and said intake pipe is arranged with the hydraulic pressure chamber outside said appearance water tank, and said hydraulic pressure chamber is located at said water pressure pushing energising valve switch top and is positioned at the position that flowing water pressure can touch.

As preferably, also be provided with the temperature controlling device that is electrically connected at external power supply in the said appearance water tank.

As preferably, said hollow casing is provided with second temperature controlling device that is electrically connected at external power supply.

As preferably, said electrothermal body is the silicon nitride ceramics electrothermal body.

Can know that by technique scheme the beneficial effect of the utility model is:

Compare existing technology, the utility model is through being provided with the appearance water tank that has the gap between outer wall and the hollow casing inwall in tap seat, and the water after the heating does not reach the housing of tap seat, so tap seat can be very not boiling hot, thereby can not scald hand; And it is little with respect to the water capacity of tap seat to hold water tank, and therefore, electrothermal body directly heats the water that holds in the water tank in a small amount, and the efficiency of heating surface is high, and the tap of fetching boiling water basically can flow out hot water, uses more conveniently, and the while has been saved water resources greatly; Through in holding water tank, being provided with temperature controlling device, can control the water temperature of holding in the water tank easily, reach 70 ℃ then stop to heat in case for example hold in the water tank water temperature; And through on hollow casing, being provided with second temperature controlling device, can the temperature of tap seat be limited, in case for example the temperature of tap seat reaches 50 ℃ and promptly stops heating, the water temperature that can effectively avoid holding in the water tank is too high, it designs very hommization.

Description of drawings

Fig. 1 is vertical sectional structure schematic representation of the utility model, does not wherein illustrate bib nozzle and tap.

Fig. 2 is the structural representation of water pressure pushing energising valve switch in the utility model.

Embodiment

In order to make those skilled in the art can further understand the characteristic and the technology contents of the utility model, see also following detailed description and accompanying drawing about the utility model.

See also Fig. 1 to shown in Figure 2; The utility model provides a kind of electric hot water tap, comprises the water halter body with tap seat 1, bib nozzle and tap, and said tap seat is a hollow casing; Wherein, Be provided with in the said hollow casing and hold water tank 2, said appearance water tank has cabin shell 10, has gap 3 between the outer wall of said cabin shell and the inwall of said hollow casing; Be provided with electrothermal body 4 in the said appearance water tank; Said electrothermal body 4 is electrically connected at external power supply, also is connected in series with between said electrothermal body and the external power supply in order to controlling the control switch of self heating power, and an end of said appearance water tank has and supplies external water source to get into self inner cold water inlet 5, the other end to have the hot water outlet that is communicated with said bib nozzle; Said control switch is located in the said hollow casing and is positioned at the position that said cold water inlet is outer, flowing water pressure can touch for the water pressure pushing energising valve switch 7 through the water pressure pushing energising, said water pressure pushing energising valve switch.

In the present embodiment, said water intake is connected with intake pipe 8, and said intake pipe 8 is arranged with hydraulic pressure chamber 9 outside said appearance water tank, and said hydraulic pressure chamber 9 is located at said water pressure pushing energising valve switch 7 tops and is positioned at the position that flowing water pressure can touch.As preferably, also be provided with the temperature controlling device (not shown) that is electrically connected at external power supply in the said appearance water tank, said hollow casing is provided with the second temperature controlling device (not shown) that is electrically connected at external power supply.Said electrothermal body can be silicon nitride ceramics electrothermal body etc.

Specifically, when opening tap, cold water is introduced from intake pipe 8 and is held water tank 2; In the way that holds water tank 2 of flowing through, through hydraulic pressure chamber 9, make water pressure pushing energising valve switch 7 closures because the effect of water flow pressure presses down in the hydraulic pressure chamber 9, at this moment circuit is on state; External power supply is to electrothermal body power supply heating; Because the appearance water that holds in the water tank 2 is less, therefore only need the very of short duration time can will hold the water heating in the water tank 2, be hot water from the water of the hot water outlet outflow of bib nozzle.Wherein, the structure of water pressure pushing energising valve switch is an existing technology, and it also can adopt multiple other structures to realize; In the present embodiment; The position 6 of hydraulic pressure chamber 9 corresponding water pressure pushing energising valve switch 7 is an elastic material, and when current passed through hydraulic pressure chamber 9, water flow pressure made this elastic material distortion to pressing down; Thereby closed water pressure pushing energising valve switch 7, but its structure is not limited thereto.And when tap is in open mode for a long time; Because electrothermal body is heated always, water temperature constantly raises, and at this moment effectively control water temperature is too high through holding the temperature controlling device of installing in the water tank; Usually this temperature controlling device is set to when water temperature reaches 70 ℃, cut off the power supply and stops heating; And, on hollow casing, also being provided with second temperature controlling device from the consideration of duplicate protection, it is used to monitor the temperature of tap seat; Common second temperature controlling device is set to when the tap seat temperature reaches 50 ℃ outage and stops heating, and the too high and tap seat scald people's of the long-time unconfined water temperature that heating brings to electrothermal body potential safety hazard can be effectively avoided in design like this.

But the preferable possible embodiments that the above is merely the utility model is not the claim in order to limitation the utility model, so the equivalent structure that all utilization the utility model specifications and accompanying drawing content are done changes, all in like manner is included in the scope of the utility model.

Claims

1. electric hot water tap; Comprise have tap seat, the water halter body of bib nozzle and tap; Said tap seat is a hollow casing, it is characterized in that, is provided with the appearance water tank in the said hollow casing; Said appearance water tank has the cabin shell; Have the gap between the outer wall of said cabin shell and the inwall of said hollow casing, be provided with electrothermal body in the said appearance water tank, said electrothermal body is electrically connected at external power supply; Also be connected in series with between said electrothermal body and the external power supply in order to control the control switch of self heating power; One end of said appearance water tank has and supplies external water source to get into self inner cold water inlet, the other end to have the hot water outlet that is communicated with said bib nozzle, and said control switch is located in the said hollow casing and is positioned at the position that said cold water inlet is outer, flowing water pressure can touch for the water pressure pushing energising valve switch through the water pressure pushing energising, said water pressure pushing energising valve switch.

2. electric hot water tap as claimed in claim 1; It is characterized in that; Said water intake is connected with intake pipe, and said intake pipe is arranged with the hydraulic pressure chamber outside said appearance water tank, and said hydraulic pressure chamber is located at said water pressure pushing energising valve switch top and is positioned at the position that flowing water pressure can touch.

3. electric hot water tap as claimed in claim 2 is characterized in that, also is provided with the temperature controlling device that is electrically connected at external power supply in the said appearance water tank.

4. electric hot water tap as claimed in claim 3 is characterized in that, said hollow casing is provided with second temperature controlling device that is electrically connected at external power supply.

5. like each described electric hot water tap in the claim 1 to 4, it is characterized in that said electrothermal body is the silicon nitride ceramics electrothermal body.