Background technology
The water dispenser great variety of models of existing structure, especially pressure type water dispenser be advantage such as simple in structure, easy to use and energy-conservation with it, has obtained general application.Its structure such as the applicant are in the utility model patent of application on July 1st, 2002, and name is called " Energy-Efficient Drinking Machine ", patent No. 02271829.X, Granted publication day: on February 12nd, 2003; The water dispenser of this structure comprises casing, on casing, be equiped with electric water-boiling device, clarifier, heat exchanger and electric control gear, the top of described casing is fixed with water-accepting basin, tap is installed on the water-accepting basin, running water pipe in the water inlet of electric water-boiling device and the casing is communicated with, its delivery port is connected with depotition cock by the thermal conductive water pipe, and the water inlet of described electric water-boiling device also disposes safety valve, and its water inlet direction of running water pipe upper edge successively is provided with water purifier and heat exchanger.The water dispenser of this structure is because the position of tap is higher than electric water-boiling device and heat exchanger, water in the casing can not lean on liquid level difference to flow out, and must be by the water injection pressure of running water, thereby, electric water-boiling device and heat exchanger must be made closed, yet, (water rises to 100 ℃ from 4 ℃ because the volume of water can expand during heating, cubical expansivity about 4%), and liquid has Incoercibility, and along with water temperature raises, the volume of water can constantly expand, the water pressure of electric water-boiling device in the casing is continued to increase, put (common 7kg/cm when pressure reaches to set
2) time, be located at the safety valve of electric water-boiling device water inlet and must open release, as not release, the water of expansion will be the water pot spalling.
The water dispenser of said structure still has the following disadvantages: 1), since water route pressure big, especially when high temperature heats, have the hidden danger of the easy explosion in water route; Therefore, people thirst for having a kind of safty of drinking water machine that makes the electric water-boiling device internal water pressure can remain on work under the normal pressure always; 2), be subjected to can not remain in the electric water-boiling device under the normal pressure influence of work, during HTHP, the corrosion of housing can strengthen; 3), owing to require the obturation effect of electric water-boiling device and heat exchanger good, thereby increased manufacturing cost; Moreover the running water after purifying is in airtight space heating, and the surplus oxygen in the water can not volatilize, and can influence the mouthfeel of water.
The utility model content
The purpose of this utility model is to solve above-mentioned weak point, and when the work of a kind of electric water-boiling device is provided, can keep the safety-type energy-saving drinking machine of normal pressure.
For achieving the above object, the utility model adopts following technical measures to solve:
Constant pressure type energy-saving water dispenser, comprise casing, be equiped with electric water-boiling device and electric control gear on the casing, the top of described casing is fixed with water-accepting basin, tap is installed on the water-accepting basin, running water pipe in the water inlet of electric water-boiling device and the casing is communicated with, its delivery port is connected with tap by the thermal conductive water pipe, dispose the water-electricity linkage valve on the water inlet switch of described tap, running water pipe is provided with and is electrically connected with described water-electricity linkage valve and the entering water electromagnetic valve of synchronization action, and entering water electromagnetic valve, water-electricity linkage valve are electrically connected with electric control gear on the casing.
During use, the electric shaft valve of fetching boiling water, the microswitch of shake-up water-electricity linkage valve is opened entering water electromagnetic valve synchronously, and like this, the valve before and after the electric water-boiling device all is in the state of opening, and tap there are flowing out.
The utility model can also adopt following technical measures to solve:
Described thermal conductive water pipe is provided with coupled liquid leakage apparatus logical, that when being used for the heated liquid expansion unnecessary liquid is discharged, and the setting of liquid leakage apparatus is worked electric water-boiling device under normal pressure.
Described liquid leakage apparatus is a capillary, and capillary one end is connected with the thermal conductive water pipe, and the other end stretches to being connected with atmosphere and being located at discharge outlet on the water-accepting basin.Because capillary is in the state that is connected with atmosphere, when heated liquid expanded, excess liquid was directly discharged through discharge outlet by capillary, made electric water-boiling device can remain on work under the normal pressure.
Described liquid leakage apparatus is by the drainage pipe, and the drainage magnetic valve that is installed on the drainage pipe forms, and drainage Guan Yiduan is connected with the thermal conductive water pipe, and the other end stretches to being connected with atmosphere and being located at discharge outlet on the water-accepting basin, and the drainage magnetic valve is electrically connected with electric control gear.During electrical heating, the drainage magnetic valve gets electric opening, and excess liquid is discharged through discharge outlet by magnetic valve, and above-mentioned discharge outlet is owing to be arranged on the water-accepting basin, and therefore, discharge outlet is higher than electric heater and heat exchanger position, can prevent siphon.
Its water inlet direction of described running water pipe upper edge successively is provided with water purifier, entering water electromagnetic valve and heat exchanger, because entering water electromagnetic valve is located between water purifier and the heat exchanger, the running water through purifying is entered in heat exchanger and the electric water-boiling device better.
The outer thermal conductive water pipe of described electric water-boiling device can be divided into two branch roads according to the needs that use, and one the tunnel directly is communicated with the hot water tap, after heat exchanger is passed on another road, links to each other with the warm water tap again.
Described heat turn on the tap with temperature each water-electricity linkage valve microswitch on turning on the tap between be parallel mutual the electrical connection; When opening a water-electricity linkage valve, touch corresponding microswitch, make entering water electromagnetic valve get electric opening, a temperature that controlled by this water-electricity linkage valve is turned on the tap or heat is turned on the tap then there are flowing out; And the water-electricity linkage valve of other tap is unaffected, is in closed condition, so interference effect mutually not; In addition, even open two or more water-electricity linkage valves simultaneously, each corresponding water-electricity linkage valve microswitch is opened, temperature is turned on the tap and heat is turned on the tap all there are flowing out, and is convenient to people and uses.
Be fixed with temperature controller on the described electric water-boiling device, temperature controller is serially connected between the power input of the power output end of electric control gear and water-electricity linkage valve microswitch; When water temperature in the electric water-boiling device does not reach the setting value of temperature controller, the temperature controller dead electricity disconnects, at this moment, each water-electricity linkage valve dead electricity, tap is opened also and can not there are flowing out, have only when the water temperature in the electric water-boiling device reaches setting value, temperature controller is just connected conduction, and each water-electricity linkage valve is just in running order.Therefore, the setting of this temperature controller can guarantee that the temperature that the water through heating meets setting could be drunk.
The beneficial effects of the utility model:
1), the utility model disposes the water-electricity linkage valve by the water inlet at tap, running water pipe is provided with and is electrically connected with described water-electricity linkage valve and the entering water electromagnetic valve of synchronization action, the water inlet of water discharge of water faucet and running water pipe is carried out synchronously, moreover, electric water-boiling device is when heated condition, by liquid leakage apparatus excess liquid is discharged, can remain on work under the normal pressure;
2), owing to keep normal pressure in the electric water-boiling device, therefore, can reduce its material cost, also can satisfy the safety requirements of its use;
3), be located at the liquid leakage apparatus on the thermal conductive water pipe, employing capillary, or the form of drainage magnetic valve, when heated liquid was expanded, excess liquid can be in time by capillary, or the drainage magnetic valve is directly discharged from discharge outlet, keep water dispenser to work under normal pressure, it is simple and reasonable for structure;
4), on electric water-boiling device, be fixed with temperature controller, when water temperature in the electric water-boiling device does not reach the setting value of temperature controller, the temperature controller dead electricity disconnects, at this moment, each water-electricity linkage valve dead electricity, tap is opened also and can not there are flowing out, and has only when the water temperature in the electric water-boiling device reaches setting value, temperature controller is just connected conduction, and each water-electricity linkage valve is just in running order.Therefore, the setting of this temperature controller can guarantee could to be drunk after the water of heating meets the temperature of setting, meets health, healthy requirement.
5), water dispenser of the present utility model, can be according to using needs, a plurality of warm water taps and hot water tap are installed on water-accepting basin, and corresponding configuration has adaptive water-electricity linkage valve, be parallel setting between the microswitch of each water-electricity linkage valve, when opening one or more effluent switch, each corresponding water-electricity linkage valve microswitch is opened, each warm water tap or hot water tap work alone, and can or not open because of one of them closure, and influence other tap, simultaneously, entering water electromagnetic valve is opened, and also can in time replenish the water yield that flows out in the electric water-boiling device, makes electric water-boiling device remain at work under the normal pressure.Therefore, the water dispenser of this structure has advantage easy to use, flexible, rational in infrastructure.
The specific embodiment
As shown in Figure 1, constant pressure type energy-saving water dispenser, comprise casing 1, on casing 1, be equiped with electric water-boiling device 2, electric control gear 14, heat exchanger 6 and water purifier 4, the top of described casing 1 is fixed with water-accepting basin 8, tap 11 is installed on the water-accepting basin 8, wherein, tap 11 is no spool tap, running water pipe 9 in the water inlet 201 of electric water-boiling device 2 and the casing 1 is communicated with, its delivery port 202 is connected with tap 11 by thermal conductive water pipe 13, dispose water-electricity linkage valve 10 on the water inlet switch 3 of described tap 11, running water pipe 9 is provided with described water-electricity linkage valve 10 and is electrically connected, and the entering water electromagnetic valve 5 of synchronization action, entering water electromagnetic valve 5, water-electricity linkage valve 10 is electrically connected with electric control gear 14 on the casing, also is provided with coupled logical on the described thermal conductive water pipe 13, the liquid leakage apparatus 12 of when being used for the heated liquid expansion unnecessary liquid being discharged.Moreover its water inlet direction successively is provided with water purifier 4, entering water electromagnetic valve 5 and heat exchanger 6 in running water pipe 9 upper edges.
Liquid leakage apparatus 12 can be a capillary 1201, and capillary 1,201 one ends are connected with thermal conductive water pipe 13, and the other end stretches to being communicated with atmosphere and being located at discharge outlet 15 on the water-accepting basin 8.
Described electric water-boiling device 2 outer thermal conductive water pipes 13 are divided into two branch roads, and one the tunnel directly turns on the tap with heat 1101 is communicated with, and after heat exchanger 6 was passed on another road, turning on the tap with temperature 1102 linked to each other again.The two ends cross-over connection of passing heat exchanger on the thermal conductive water pipe 13 has heat control valve 7, and heat control valve 7 is opened, and the boiling water without the heat exchanger heat exchange can be flowed directly to temperature and turn on the tap 1102.
Operation principle: running water is successively by water purifier 4, behind entering water electromagnetic valve 5 and the heat exchanger 6, flow into electric water-boiling device 2 heating again, when liquid is heated to temperature controller 17 setting values in electric water-boiling device, temperature controller 17 must conduct, when opening one or more water-electricity linkage valve, each corresponding water-electricity linkage valve microswitch K opens, each temperature is turned on the tap or heat is turned on the tap works alone, can or not open because of one of them closure, and influence other tap, simultaneously, entering water electromagnetic valve 5 is opened, in time replenish the water yield that flows out in the electric water-boiling device 2, make electric water-boiling device 2 remain at heating under the normal pressure.When in addition, liquid leakage apparatus 12 is used for the heated liquid expansion unnecessary liquid is in time discharged.
As shown in Figure 2, described liquid leakage apparatus 12 can be by drainage pipe 1202, and the drainage magnetic valve 1203 that is installed on the drainage pipe 1202 is formed, drainage pipe 1,202 one ends are connected with thermal conductive water pipe 13, the other end stretches to being connected with atmosphere, and be located at discharge outlet 15 on the water-accepting basin, drainage magnetic valve 1203 is electrically connected with electric control gear 14.
As shown in Figure 3, tap, water inlet switch and water-electricity linkage valve are overall structure.At this moment, open water inlet switch, touch the water-electricity linkage valve, make the entering water electromagnetic valve action, and the control water discharge of water faucet, the beneficial effect of realization this patent.
As shown in Figure 4, described heat is turned on the tap and 1101 is turned on the tap with temperature and to be parallel mutual the electrical connection between each water-electricity linkage valve microswitch K1 on 1102, K2, the K3.Be fixed with temperature controller 17 on the electric water-boiling device 2, temperature controller 17 is serially connected between the power input of the power output end of electric control gear 14 and water-electricity linkage valve microswitch K.After temperature controller 17 reaches setting value, must conduct, at this moment, water-electricity linkage valve microswitch K closure, touch entering water electromagnetic valve 5 closures, electric current successively constitutes a closed-loop path by temperature controller 17, water-electricity linkage valve each microswitch K1, K2, K3 and entering water electromagnetic valve 5.