CN2769757Y

CN2769757Y - Mixed non-static pressure water heater

Info

Publication number: CN2769757Y
Application number: CN 200420103583
Authority: CN
Inventors: 麦广海
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-31
Filing date: 2004-12-31
Publication date: 2006-04-05
Anticipated expiration: 2014-12-31

Abstract

The utility model relates to a mixed non-static pressure water heater with high safety, long lifetime and central water supply. The utility model comprises a water tank, a heating body, a thermostat, a cold water pipe, a hot water pipe, a warming water pipe and a tap water pipe. The utility model is characterized in that the tap water pipe is connected with a water inlet of an expander; a water stop block which can be used for stopping the water inlet of the expander and can be controlled by the expansion wall is arranged in the expander. The water outlet of the expander is connected with a water inlet pipe; a cold water valve is arranged between the water inlet pipe and the warming water pipe; an electric control inlet valve which is normally closed is arranged between the water inlet pipe and the cold water pipe. An electric control overflow valve which is normally opened is arranged between the hot water pipe and the overflow pipe; an electric control water outlet valve which is normally closed is arranged between the hot water pipe and the cold water valve. The expansion wall of the expander and a position switch are matched for controlling a power supply for the electric control water inlet valve, an electric control overflow valve and an electric control water outlet valve, which causes that the water tank is commutated with atmosphere when in a stand-by state.

Description

Mixed type non-static pressure water heater

Technical field

The utility model relates to a kind of water heater, particularly a kind of mixed type non-static pressure water heater.

Background technology

The closed storage water heater water system that existing family or hotel guest-room are used, advantage is to realize that remote central authorities supply water, comprise water tank, the water supply cold water pipe, safe expander, water outlet hot-water line and outlet valve, the cold water pipe that wherein supplies water connects water tank and running water pipe, the water outlet hot-water line connects water tank and outlet valve, fill hot water in the water tank, this hot water is that the pyrogenicity body is (as electrothermal tube, electromagnetic field eddy-current heating body---utilize the principle of electromagnetic stove, microwave generator---utilize the principle of micro-wave oven that water is heated, the reverse work of heat-pump-type heating---refrigeration system absorbs heat energy from air, solar thermal collector) heat temperature raising and getting; During normality, running water pipe, water tank, water outlet hot-water line, outlet valve (or mixed water valve) constitute an obturator, the interior pressure that this obturator bears is at least the hydrostatic pressing of running water, and the water outlet hot-water line can join to realize central water control with a plurality of outlet valves (or mixed water valve); Open outlet valve (or mixed water valve) during use, under the hydraulic pressure effect of the hot water in the water tank in running water pipe water is extruded through outlet valve; The rated operating pressure of national Specification closed electrical water heater water tank is 0.6MPa (for the high hydrostatic pressure of China's running water), the operating pressure that safe expander is set is generally 0.7MPa, but when the water in the water heater is heated, because of causing to press in the water tank to increase, the rising of water temperature opens pressure release up to the safety expander, so in fact closed water heater's water tank has the long period to be operated in the high pressure conditions of 0.7MPa; Therefore, though this closed water heater can realize remote central water control, but, because water tank bears high hydraulic pressure for a long time, water tank is thicker with material, cost height, metal water tank under the HTHP effect very easily by corrosion, thereby shortened its life-span, and when relief valve is malfunctioning, can blast, thereby cause danger, for closed electrical water heater, if temperature controller lost efficacy and can not cut off the power supply, then water temperature can be up to 140 degree, inner bag under HTHP its corrosion rate far faster than normality, so the shortcoming of existing this water heater is that the water tank life-span is short, poor stability.

And existing outlet open-type water-storage electric heater, constitute by water storage tank, pyrogenicity body and inlet tube and outlet tube, running water pipe one branch road after special use mixes water valve enters water tank, another branch road as the cold water outlet that mixes water valve through water inlet pipe, the hot water mouth who opens for a long time in the special-purpose mixed water valve of another termination of the outlet pipe that communicates with water tank, during normality, mix the passage that water valve cuts off water inlet pipe, water tank communicates with atmosphere through the hot water mouth of outlet pipe, mixed water valve, so, compare with closed electrical water heater, the outlet open-type electric heater comparatively safety and life-span long; During use, open mixed water valve, running water communicates with water tank through mixed water valve, water inlet pipe, and the water in the water tank flows out through delivery port through the cold water mix that outlet pipe is pressed towards the cold water outlet remittance that mixes water valve and mixed water valve again; But the problem of water outlet open type electric water heater is to use inconvenience, because, this open type electric water heater must use special-purpose mixed water valve, after mixing the water valve damage, the user is difficult to buy and special-purposely mixes water valve, and changes common mixed water valve producing under the situation of knowing the inside story most probably, and because common mixed water valve when closing, be with cold, the hot water mouth closes, when water heater is in the normal state, in case the pyrogenicity body to the heating of the water in the water tank, is pressed in the water tank and can sharply be raise, thereby cause the water tank blast, and the special use that the water outlet open type electric water heater uses cold water outlet to open for a long time mixes water valve, so, can not realize not entreating water supply, use inconvenient; In on February 12nd, 1992 disclosed Chinese patent bulletin CN2096026U, a kind of " water-storage electric heater of built-in control valve " disclosed, in on July 22nd, 1992 disclosed Chinese patent bulletin CN2118026U, a kind of " outlet open-type electric heater " disclosed, specification in above-mentioned two patent applications has all been done comparatively detailed explanation to existing outlet open-type electric heater, is not going to repeat.

Summary of the invention

The purpose of this utility model is that central authorities supply water and there is the problem of short, poor stability of life-span in closed storage water heater for can not realizing of solving that existing open-type water heater exists, and provide a kind of safe in utilization, the life-span long, can realize the mixed type non-static pressure water heater that central authorities supply water.

Technical scheme:

First technical scheme that realizes the utility model purpose is: a kind of mixed type non-static pressure water heater comprises water tank, pyrogenicity body, temperature controller, cold water pipe, hot-water line, hot water pipe and running water pipe; Wherein the pyrogenicity body can be electrothermal tube, electromagnetic field eddy-current heating body---utilize principle, the microwave generator of electromagnetic stove---principle of utilizing micro-wave oven to water heat, the heat-pump-type heating---the reverse work of refrigeration system absorbs heat energy, solar thermal collector etc. from air, cold water pipe and hot-water line all communicate with water tank; It is characterized in that running water pipe connects the expander water inlet, be provided with the piece that blocks water that can block the expander water inlet in the expander, the expansion wall of expander is controlled the motion of the piece that blocks water, the motion of expansion wall promoted to block water the water inlet of piece away from expander when expander shrank, the flow of inlet water of water inlet is increased, and on the contrary, expansion wall moved in opposite directions when expander expanded, the block reset that blocks water diminishes the flow of inlet water of water inlet; The expander delivery port taps into water pipe, is provided with cold valves between water inlet pipe and the hot water pipe, is provided with normally closed automatically controlled water intaking valve between water inlet pipe and the cold water pipe; Be provided with the automatically controlled spilling water valve of often opening between hot-water line and the overflow pipe, the highest spilling water point of the spilling water passage that hot-water line, automatically controlled spilling water valve and overflow pipe constitute is close to or higher than the water tank highest point; A, normally closed automatically controlled outlet valve is set between the import of hot-water line and cold valves, the cold valves that a plurality of band hot water pipes are set on water inlet pipe can realize that multiple spot central authorities supply water (delivery port of cold valves is equivalent to hot water pipe), b, the check valve that is flowed to cold valves by hot-water line perhaps is set between the import of hot-water line and cold valves, the cold valves that a plurality of band hot water pipes are set on water inlet pipe can realize that multiple spot central authorities supply water, c, perhaps between hot-water line and hot water pipe, hot water valve is set, hot water valve of every increase, cold valves and hot water pipe can increase a water supply point, d, normally closed automatically controlled outlet valve perhaps is set between hot-water line and hot water pipe, cold valves of every increase, automatically controlled outlet valve and hot water pipe can increase a water supply point, above a, b, c, 4 of d can only select wherein; The expansion wall and the travel switch of described expander are supporting, forward touched travel switch to cut off the power supply of automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve when expansion wall outwards expand into certain position, made automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve enter normality.Operation principle and using method: corresponding d, when employing connects the scheme of automatically controlled outlet valve between hot-water line and hot water pipe, as using hot water, only need open cold valves, then the water in the expander flows out through cold valves and hot water pipe, hydraulic pressure in the expander descends, expansion wall is inwardly shunk, travel switch is reversed shake-up, automatically controlled water intaking valve, the power supply of automatically controlled spilling water valve and automatically controlled outlet valve is switched on, automatically controlled water intaking valve is opened, automatically controlled spilling water valve cuts out with automatically controlled outlet valve and opens, the expansion wall control piece that blocks water moves to the dynamic water-pressure that makes in the expander and is equilibrated at a certain pressure limit, water in the running water pipe is divided into two-way after expander enters water inlet pipe, one the tunnel to flow into hot water pipe through cold valves be cold water, another road is through automatically controlled water intaking valve, cold water pipe is pressed into hot-water line with the hot water in the water tank after entering water tank, becoming warm water outflow then after automatically controlled outlet valve flows into hot water pipe and the cold water mix of hot water pipe from cold valves uses for the user, after the user finishes using, only need close cold valves, expansion wall in the expander outwards expands and resets, forward cuts off automatically controlled water intaking valve after touching travel switch, the power supply of automatically controlled spilling water valve and automatically controlled outlet valve, automatically controlled water intaking valve is closed, automatically controlled spilling water valve is opened, automatically controlled outlet valve is closed, water tank is through hot-water line, automatically controlled spilling water valve, overflow pipe communicates with atmosphere, water tank is in opening-wide state, at this moment, because of hot-water line, the highest spilling water point of the spilling water passage that automatically controlled spilling water valve and overflow pipe constitute is close to or higher than the water tank highest point, so the water electrode that overflows through water tank is few, can not cause the waste of water resource; Corresponding b, adopt when between the import of hot-water line and cold valves, the scheme of check valve being set, its operation principle is roughly the same, just the flow of hot water of coming out through hot-water line from water tank behind check valve the cold valves import with from the cold water mix Cheng Nuanshui of water inlet pipe after cold valves flows to hot water pipe, should be controlled at small range through the cool water quantity that water inlet pipe flows into cold valves this moment, otherwise the passage of cold water pipe, water tank, check valve can be by short circuit, and the cold water in the water inlet pipe will directly enter cold valves and the hot water in the water tank can not be ejected; Corresponding c, adopt when between hot-water line and hot water pipe, the hot water valve scheme being set, its principle is similar, but the use order is preferably opened hot water valve earlier and is opened cold valves again, the size of regulating cold valves or hot water valve opening then is to regulate the temperature of hot water pipe water outlet, after using, preferably close cold valves earlier and close hot water valve again; Corresponding a, adopt when between the import of hot-water line and cold valves normally closed automatically controlled outlet valve being set, the hot water or cold water mixes in the import department of cold valves, and entering the flow of cold valves through water inlet pipe at this moment can not be too big.

Described mixed type non-static pressure water heater is characterized in that described automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve are integrated in same valve body, the spool and a shared solenoid or motor-driven.

Described mixed type non-static pressure water heater, it is characterized in that being provided with normally closed mechanical valve between described running water pipe and the expander water inlet, the switch lever of this mechanical valve is positioned at the described travel switch outside, and the outer distance back promotion switch lever that moves of continuation was closed mechanical valve after forward had touched travel switch in the process that expansion wall is outwards moved.Mechanical valve is closed back expansion wall stop motion, and after opening cold valves, elder generation's release-push bar was opened mechanical valve oppositely to touch travel switch again when expansion wall was inwardly shunk.

Described mixed type non-static pressure water heater, it is characterized in that described automatically controlled water intaking valve, automatically controlled spilling water valve, automatically controlled outlet valve and automatically controlled main valve are integrated in same valve body, the spool and a shared solenoid or motor-driven, the homing action of automatically controlled main valve is finished at last when resetting to normality by user mode.

Described mixed type non-static pressure water heater is characterized in that being provided with between described running water pipe and the expander water inlet normally closed automatically controlled main valve, and this automatically controlled main valve and described automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve are controlled by described travel switch simultaneously; The delivery port of described expander is connected to normally closed automatically controlled bleed valve, the expansion wall of expander and the Drain Cock of time-delay closing are supporting, touch described travel switch when expansion wall outwards expands earlier and touch the time-delay closing Drain Cock again, automatically controlled bleed valve is controlled by the time-delay closing Drain Cock.When the automatically controlled main valve of impurity card makes it to reset and causes the interior pressure of expander too high, then expansion wall continues outwards to move up to touching Drain Cock, automatically controlled bleed valve is opened replaced opening of cold valves, expander inwardly shrinks, forward touches the travel switch connection makes automatically controlled water intaking valve, automatically controlled spilling water valve, automatically controlled outlet valve and automatically controlled total valve events are gone forward side by side into user mode, wash away impurity, Drain Cock after time-delay a period of time disconnects power supply, bleed valve cuts out, expansion wall outwards expands, automatically controlled water intaking valve, automatically controlled spilling water valve, automatically controlled outlet valve and automatically controlled main valve reset.Certainly, this time-delay closing Drain Cock also can replace with time relay and the pressure sensing that is arranged in the water tank, in case each electrically-controlled valve occurs unusual and makes when pressing increase water tank in, relay timing of pressure switch triggered time and the power supply of connecting automatically controlled bleed valve make it outside draining a period of time.

Described mixed type non-static pressure water heater is characterized in that described cold valves and hot water valve are respectively to mix the Cold water tap and the hot-water valve of water valve.The cooling water inlet that promptly mixes water valve connects described water inlet pipe, hot water inlet connects described hot-water line, and the outlet pipe that mixes water valve is described hot water pipe.

Described mixed type non-static pressure water heater, it is characterized in that described expander is made of shell, expansion wall and compression spring, the inner chamber of shell and expansion wall constitute the expansion chamber of expander, the water inlet of described expander is located on the shell, is provided with compression spring between expansion wall and the shell expansion wall can inwardly be shunk; Described blocking water is provided with back-moving spring between piece and the expansion chamber, when the pressure in the expansion chamber descends, expansion wall is shunk under the compression spring effect and the piece that promotes to block water overcomes the elastic force of back-moving spring, make the piece that blocks water away from the flow of water inlet with the increase water inlet, on the contrary, when the pressure in the expansion chamber rose, the effect that hydraulic pressure helps expansion wall to overcome compression spring expanded outwardly, and the piece that blocks water resets under action of reset spring.In fact the effect of piece of blocking water is the size of control water inlet inflow, when water heater is in the normal state, the piece that blocks water only needs to be controlled at through the water yield that water inlet enters small range and gets final product and not necessarily water inlet will be sealed fully, when also promptly having impurity when blocking water between piece and the water inlet, water heater also can normally act on.

Described mixed type non-static pressure water heater is characterized in that described expansion wall is a piston, and the inner chamber of this piston and described shell is slidingly matched, and is provided with sealing ring between the inner chamber of piston and shell.

Described mixed type non-static pressure water heater, the inner chamber that it is characterized in that described shell is provided with spilled water hole, described piston outwards slides and touches and recrosses this spilled water hole after continuing behind the described travel switch outwards to slip over one stroke, and the water in the expansion chamber of expander is outwards drained through this spilled water hole.Its benefit is that piston is outwards crossed this porus excretorius, and expansion chamber can outwards be sluiced, and in fact is equivalent to the effect of safety valve when the hydraulic pressure of expansion chamber surpasses setting value.

Second technical scheme that realizes the utility model purpose is: a kind of mixed type non-static pressure water heater comprises water tank, pyrogenicity body, temperature controller, cold water pipe, hot-water line, hot water pipe and running water pipe; Wherein the pyrogenicity body can be electrothermal tube, electromagnetic field eddy-current heating body---utilize principle, the microwave generator of electromagnetic stove---principle of utilizing micro-wave oven to water heat, the heat-pump-type heating---the reverse work of refrigeration system absorbs heat energy, solar thermal collector etc. from air, cold water pipe and hot-water line all communicate with water tank; It is characterized in that running water pipe connects the expander water inlet, be provided with the piece that blocks water that can block the expander water inlet in the expander, the expansion wall of expander is controlled the motion of the piece that blocks water, the motion of expansion wall promoted to block water the water inlet of piece away from expander when expander shrank, the flow of inlet water of water inlet is increased, and on the contrary, expansion wall moved in opposite directions when expander expanded, the block reset that blocks water diminishes the flow of inlet water of water inlet; The expander delivery port taps into water pipe, is provided with cold valves between water inlet pipe and the hot water pipe, is provided with normally closed automatically controlled water intaking valve between water inlet pipe and the cold water pipe; Be provided with the automatically controlled spilling water valve of often opening between hot-water line and the overflow pipe, the highest spilling water point of the spilling water passage that hot-water line, automatically controlled spilling water valve and overflow pipe constitute is close to or higher than the water tank highest point; A, normally closed automatically controlled outlet valve is set between the import of hot-water line and cold valves, the cold valves that a plurality of band hot water pipes are set on water inlet pipe can realize that multiple spot central authorities supply water (delivery port of cold valves is equivalent to hot water pipe), b, the check valve that is flowed to cold valves by hot-water line perhaps is set between the import of hot-water line and cold valves, the cold valves that a plurality of band hot water pipes are set on water inlet pipe can realize that multiple spot central authorities supply water, c, perhaps between hot-water line and hot water pipe, hot water valve is set, hot water valve of every increase, cold valves and hot water pipe can increase a water supply point, d, normally closed automatically controlled outlet valve perhaps is set between hot-water line and hot water pipe, cold valves of every increase, automatically controlled outlet valve and hot water pipe can increase a water supply point, above a, b, c, 4 of d can only select wherein; On the cold water exhalant canal that expander delivery port, water inlet pipe, cold valves, hot water pipe constitute, be provided with water flow sensing unit, water flow sensing unit is controlled the power supply of automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve, certainly, to be arranged on the hot water pipe place be optimal to water flow sensing unit.Operation principle and using method: corresponding d, when employing connects the scheme of automatically controlled outlet valve between hot-water line and hot water pipe, as using hot water, only need open cold valves, then the water in the expander flows out through cold valves and hot water pipe, hydraulic pressure in the expander descends, expansion wall is inwardly shunk, the travel switch action, automatically controlled water intaking valve, the power supply of automatically controlled spilling water valve and automatically controlled outlet valve is switched on, automatically controlled water intaking valve is opened, automatically controlled spilling water valve cuts out with automatically controlled outlet valve and opens, the expansion wall control piece that blocks water moves to the dynamic water-pressure that makes in the expander and is equilibrated at a certain pressure limit, water in the running water pipe is divided into two-way after expander enters water inlet pipe, one the tunnel to flow into hot water pipe through cold valves be cold water, another road is through automatically controlled water intaking valve, cold water pipe is pressed into hot-water line with the hot water in the water tank after entering water tank, becoming warm water outflow then after automatically controlled outlet valve flows into hot water pipe and the cold water mix of hot water pipe from cold valves uses for the user, after the user finishes using, only need close cold valves, expansion wall in the expander outwards expands and resets, after resetting, travel switch cuts off automatically controlled water intaking valve, the power supply of automatically controlled spilling water valve and automatically controlled outlet valve, automatically controlled water intaking valve is closed, automatically controlled spilling water valve is opened, automatically controlled outlet valve is closed, water tank is through hot-water line, automatically controlled spilling water valve, overflow pipe communicates with atmosphere, water tank is in opening-wide state, at this moment, because of hot-water line, the highest spilling water point of the spilling water passage that automatically controlled spilling water valve and overflow pipe constitute is close to or higher than the water tank highest point, so the water electrode that overflows through water tank is few, can not cause the waste of water resource; Corresponding b, adopt when between the import of hot-water line and cold valves, the scheme of check valve being set, its operation principle is roughly the same, just the flow of hot water of coming out through hot-water line from water tank behind check valve the cold valves import with from the cold water mix Cheng Nuanshui of water inlet pipe after cold valves flows to hot water pipe, should be controlled at small range through the cool water quantity that water inlet pipe flows into cold valves this moment, otherwise the passage of cold water pipe, water tank, check valve can be by short circuit, and the cold water in the water inlet pipe will directly enter cold valves and the hot water in the water tank can not be ejected; Corresponding c, adopt when between hot-water line and hot water pipe, the hot water valve scheme being set, its principle is similar, but the use order is preferably opened hot water valve earlier and is opened cold valves again, the size of regulating cold valves or hot water valve opening then is to regulate the temperature of hot water pipe water outlet, after using, preferably close cold valves earlier and close hot water valve again; Corresponding a, adopt when between the import of hot-water line and cold valves normally closed automatically controlled outlet valve being set, the hot water or cold water mixes in the import department of cold valves, and entering the flow of cold valves through water inlet pipe at this moment can not be too big.

Described mixed type non-static pressure water heater is characterized in that being provided with normally closed mechanical valve between described running water pipe and the expander water inlet, and the switch lever of this mechanical valve is positioned at described outer side of expanding wall, and the pull switch bar cut out mechanical valve when the outside motion of expansion wall put in place.Mechanical valve is closed back expansion wall stop motion, after opening cold valves, expansion wall inwardly shrink the time put switch lever earlier mechanical valve opened.When closing cold valves, if cause the hysteresis that resets of automatically controlled water intaking valve, automatically controlled outlet valve and automatically controlled spilling water valve because of the inertia of water flow sensing unit, move to outermost up to expansion wall and remain unfulfilled when action, hydraulic pressure in the water tank is with hydraulic pressure is identical from the beginning, water tank will bear instantaneous pressure, but after being provided with mechanical valve, the pull switch bar cuts out mechanical valve when expansion wall outwards moves to certain position, and water tank can not bear instantaneous high pressure.

Described mixed type non-static pressure water heater is characterized in that the delivery port of described expander is connected to normally closed automatically controlled bleed valve, and pressure sensor is set in water tank, and pressure sensor is electrically connected with the time relay, and the time relay is controlled the power supply of automatically controlled bleed valve.When one of them electrically-controlled valve increased because of problems such as impurity occur causing unusually pressing in the water tank, relay timing of pressure switch triggered time and the power supply of connecting automatically controlled bleed valve made it outside draining a period of time, to wash away impurity.

Described mixed type non-static pressure water heater, it is characterized in that described expander constitutes by shell, compression spring with as the piston of expansion wall, the inner chamber of shell and piston constitute the expansion chamber of expander, and the inner chamber of piston and shell is slidingly matched and is provided with sealing ring between the two; The water inlet of described expander is located on the shell, is provided with compression spring between piston and the shell piston can be moved inward; Described blocking water is provided with back-moving spring between piece and the expansion chamber, when the pressure in the expansion chamber descends, piston moves in expansion chamber under the compression spring effect and promotion blocks water, and piece overcomes the elastic force of back-moving spring, make the piece that blocks water away from the flow of water inlet with the increase water inlet, on the contrary, when the pressure in the expansion chamber rose, the effect that hydraulic pressure helps piston to overcome compression spring was outwards moved, and the piece that blocks water resets under action of reset spring.In fact the effect of piece of blocking water is the size of control water inlet inflow, when water heater is in the normal state, the piece that blocks water only needs to be controlled at through the water yield that water inlet enters small range and gets final product and not necessarily water inlet will be sealed fully, when also promptly having impurity when blocking water between piece and the water inlet, water heater also can normally act on.

Also disclosing a kind of " bellows-type expander " in October 4 nineteen ninety-five among the disclosed Chinese patent bulletin CN2209380Y, is a kind of in numerous expanders.

Beneficial effect:

Owing to adopted technical scheme described in the utility model, the water tank of mixed type non-static pressure water heater is in opening-wide state when normality, and the interior pressure of water tank was identical with atmospheric pressure when water temperature rose, and water tank can not blasted because of hydraulic pressure is too high, and is safe in utilization; Water tank can not be in the HTHP for a long time, hot water descends to the extent of corrosion of water tank, prolonged the service life of water tank, this mixed type non-static pressure water heater can realize that also central authorities supply water, and integrate open-type water heater and closed water heater's advantage simultaneously.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the structural representation of mixed type non-static pressure water heater embodiment one described in the utility model.

Fig. 2 is the partial structurtes figure of mixed type non-static pressure water heater embodiment two described in the utility model.

Fig. 3 is the partial structurtes figure of mixed type non-static pressure water heater embodiment three described in the utility model.

Fig. 4 is the structural representation of mixed type non-static pressure water heater embodiment four described in the utility model.

Fig. 5 is the partial structurtes figure of mixed type non-static pressure water heater embodiment five described in the utility model.

Fig. 6 is the partial structurtes figure of mixed type non-static pressure water heater embodiment six described in the utility model.

Fig. 7 is the partial structurtes figure of mixed type non-static pressure water heater embodiment seven described in the utility model.

Fig. 8 is the partial structurtes figure of mixed type non-static pressure water heater embodiment eight described in the utility model.

Fig. 9 is the partial schematic diagram of Fig. 1 embodiment when user mode.

Figure 10 is the partial structurtes figure after on the running water pipe passage mechanical valve being set among Fig. 1 embodiment.

The specific embodiment:

Embodiment one, belongs to first technical scheme, sees Fig. 1, and described mixed type non-static pressure water heater comprises water tank 11, the electrothermal tube 15 as the pyrogenicity body, temperature controller 14, cold water pipe 12, hot-water line 13, hot water pipe 39 and running water pipe 71; Shell 41, piston 50, compression spring 53 formation expanders as expansion wall, be provided with sealing ring 52 between piston 50 and shell 41 inner chambers, running water pipe 71 connects expander water inlet 72, the piece 42 that blocks water in the expander is positioned at water inlet 72 places, block water and be provided with back-moving spring 43 between piece 42 and the shell 41 left inboards, 44 pairs of pieces that block water of guide and limit piece in the shell play spacing guide effect, and the limited block 45 in the shell limits the least significant of piston 50; Automatically controlled water intaking valve 21, automatically controlled spilling water valve 23 and automatically controlled outlet valve 22 are integrated in the same valve body 29 and shared solenoid 20; Water inlet pipe 32 connects the delivery port of expander, the cooling water inlet that mixes water valve 30 and the water inlet of automatically controlled water intaking valve 21 respectively, the delivery port of automatically controlled water intaking valve 21 connects cold water pipe 12, automatically controlled outlet valve 22 is located between hot-water line 13 and the outlet pipe 33, the water outlet termination of outlet pipe 33 is mixed the hot water inlet of water valve 30, automatically controlled spilling water valve 23 is located between hot-water line 13 and the overflow pipe 34, the highest spilling water point of spilling water passage is the peak of hot-water line 13, and the outlet that mixes water valve 30 is a hot water pipe 39; On shell 41, be fixed with travel switch 40; The inside of wherein mixing water valve 30 has been equivalent to hot water valve and cold valves integrated.State shown in Figure 1 is a holding state, it is normality, as using hot water, only need open and mix water valve 30, the cold water that has certain pressure in the expander inner chamber is through water inlet pipe 32, mix water valve 30, hot water pipe 39 outwards releases, the pressure of expander inner chamber descends, piston 50 under compression spring 53 effect to moving to left, when moving left to piston right-hand member afterbody and no longer withstand the depression bar of travel switch 40, travel switch 40 is reversed to touch and resets and connect power supply (the automatically controlled water intaking valve 21 of solenoid 20, automatically controlled outlet valve 22, the state of automatically controlled spilling water valve 23 as shown in Figure 9), piston 50 continues to move to left and pushes up state shown in Figure 9 left up to the push rod 51 that links to each other with piston 50 piece 42 that will block water, water in the running water pipe 71 is through water inlet 72, the expander inner chamber is divided into two-way after entering water inlet pipe 32, wherein one the tunnel enter the cooling water inlet of mixed water valve 30 after hot water pipe 39 outflows, another road is through automatically controlled water intaking valve 21, cold water pipe 12 enters and the hot water in the water tank is pressed into hot-water line 13 behind the water tank 11 and enters outlet pipe 33 through automatically controlled outlet valve 22 again, the hot water inlet that mixes water valve 30 becomes warm water then and flows out through hot water pipe 39 in mixing water valve and after the cold water mix from water inlet pipe 32, regulate the leaving water temperature that the openings of sizes of mixing water valve 30 inner cold waters and hot water can be regulated hot water pipe, piece 42 blocks water this moment, back-moving spring 43, hydraulic pressure in compression spring 53 and the expander constitutes a balance sysmte hydraulic pressure in the expander is played the effect of decompression constant voltage; When not re-using hot water, close and mix water valve 30, press liter in the expander, piston 50 moves to right, the piece 42 that blocks water under back-moving spring 43 effect, reset to the right (state as shown in Figure 1), exist the gap because of blocking water between piece 42 and the water inlet 72 this moment, water in the running water pipe 71 continues to infiltrate to make in the expansion to press slowly in the expander and rises, guarantee that piston 50 can continue to be shifted to the right to travel switch 40 jack-up (the interior pressure of expander is only relevant with the elastic force of the cross section of piston 50 and compression spring 53 in this process), travel switch 40 is touched by forward and cuts off automatically controlled water intaking valve 21, the power supply of automatically controlled outlet valve 22 and automatically controlled spilling water valve 23, piston 50 be shifted to the right to limited 45 spacing before automatically controlled water intaking valve 21, automatically controlled outlet valve 22 and automatically controlled spilling water valve 23 are returned to state shown in Figure 1.

Embodiment two, see Fig. 2, belong to first technical scheme, be on the running water pipe passage, to add automatically controlled main valve on the basis of Fig. 1 embodiment, add the Drain Cock of time-delay closing at the travel switch rear side, on shell, offer spilled water hole, added automatically controlled bleed valve on water inlet pipe and outlet pipe respectively, other parts of Fig. 2 corresponding diagram 1 are running water pipe 171, piston 150, push rod 151, water inlet 172, the piece 142 that blocks water, hot water pipe 139, mix water valve 130, overflow pipe 134, travel switch 140, solenoid 120, cold water pipe 112, hot-water line 113.Figure 2 shows that holding state (normality), travel switch 140 is touched by forward, automatically controlled water intaking valve 121 is closed, automatically controlled outlet valve 122 is closed, automatically controlled spilling water valve 123 is opened, automatically controlled main valve 128 cuts out, open during use and mix water valve 130, piston 150 moves to left and makes travel switch 140 be reversed shake-up, automatically controlled water intaking valve 121 is opened, automatically controlled outlet valve 122 is opened, automatically controlled spilling water valve 123 cuts out, automatically controlled main valve 128 is opened, cold water in the running water pipe 171 its water route and embodiment one identical through automatically controlled main valve 128 enters feed pipe 127 after, course of action when closing mixed water valve 130 and embodiment's one is roughly the same.Just piston 150 is shifted to the right to forward and touches travel switch 140, automatically controlled main valve 128 cuts out after, piston 150 no longer moves to right, so can cancel the limited block 45 that is located among Fig. 1 in the shell; And; can not turn-off hydraulic pressure from running water pipe 171 if in closing the process of mixing water valve 130, have impurity to block automatically controlled main valve 128; piston 150 in the state then shown in Figure 2 is continued the top and is touched time-delay closing Drain Cock 149 to the right; Drain Cock 149 timing and connect water inlet pipe 132 and outlet pipe 133 on automatically controlled

bleed valve

161 and 162; wherein opening of bleed valve 161 is equivalent to mix water valve 130 and opens; piston 150 is to moving to left; oppositely touching travel switch 140 makes water heater enter user mode to wash away impurity; after arriving timing time, Drain Cock 149 cuts off the power supply of

bleed valve

161 and 162 automatically; piston 150 resets; water heater reenters holding state; if it is malfunctioning that wherein automatically controlled main valve is blocked back Drain Cock 149 by impurity; then piston 150 is shifted to the right to the spilled water hole of crossing on the shell 141 148 always; expander outwards sluices with the protection water tank through spilled water hole 148, and piston 150 and spilled water hole 148 also are equivalent to the effect of safety valve.

Embodiment three, see Fig. 3, belong to first technical scheme, in Fig. 2 embodiment, revise, present embodiment need not mix water valve and directly connect cold valves 230 on outlet pipe 233, and between water inlet pipe 232 and outlet pipe 233, link to each other with the less connecting leg 2 38 of an internal diameter, and only need use one got final product by the bleed valve 262 of Drain Cock 249 controls of time-delay closing, it is to prevent that the cold water in the water inlet pipe 232 from all entering outlet pipe 233 and entering water tank without automatically controlled water intaking valve 221 through connecting leg 238 that connecting leg 238 adopts less internal diameter, but the internal diameter of connecting leg 238 can not be too little, otherwise when opening cold valves 230, through connecting leg 238, cold valves 230, the water yield that hot water pipe 239 flows out can in time be covered by water inlet 272 and the gap that blocks water between the piece 242, pressure can not descend in expanding, piston 250 just can not move to left, and water heater just can not normally use.On outlet pipe 233, connect a plurality of outlet valves and can realize that central authorities supply water; Also can use in addition and mix the water supply of water valve realization central authorities, its connection is that the interface of hot water that will mix water valve is connected on outlet pipe 233, the cold water interface connects running water pipe.Other structure is identical with Fig. 2's.

Embodiment four, see Fig. 4, also belong to first technical scheme, present embodiment be with Fig. 1 embodiment in be arranged on the automatically controlled outlet valve cancellation of hot-water line and mixed water valve hot water inlet, and automatically controlled spilling water valve and automatically controlled water intaking valve be integrated into an automatically controlled pile-up valve 321 and a shared valve body 329, state shown in Figure 4 is holding state (normality), hot-water line 313 is communicated with overflow pipe 334, hot water pipe 339, hot-water line 313 and water inlet pipe 332 are mixed water valve 330 and are cut off, after opening mixed water valve 330, the cooling water inlet of cold water in the water inlet pipe 332 through mixing water valve 330 flows to hot water pipe 339, piston 350 in the shell 341 moves to left and oppositely touches travel switch 340, solenoid 320 energisings, automatically controlled pile-up valve 321 switches to connects cold water pipe 312 and water inlet pipe 332, disconnect hot-water line 313 and overflow pipe 334 (among Fig. 4 shown in the valve body 329 on, to arrow moves to left down), piston 350 moves left to push rod 351 piece 342 that will block water and pushes away left and the opening that blocks water between piece 342 and the water inlet 372 is increased and be equilibrated at a certain position, enter through running water pipe 371 and to be divided into two-way after cold water in the expander enters water inlet pipe 332, one tunnel cooling water inlet through mixed water valve 330 enters and mixes in the water valve, another road enters water tank 311 through automatically controlled pile-up valve 321, with the hot water in the water tank be pressed into hot-water line 313 again the hot water inlet through mixing water valve 330 enter mix in the water valve with from behind another road cold water mix Cheng Nuanshui that mixes water valve, flow out through hot water pipe 339, its principle is suitable with Fig. 1 embodiment, close when mixing water valve, the piston push rod that moves to right separates with the piece that blocks water, the piece that blocks water resets under back-moving spring 343 effects, and its process sees also Fig. 1 embodiment.

Embodiment five, see Fig. 5, belong to first technical scheme, present embodiment changes Fig. 4 embodiment, mainly be to change mixed water valve into cold valves 530 (being actually outlet valve), water inlet pipe 532 joins through the water inlet of the less tube connector of internal diameter 531 with cold valves 530, between the water inlet of hot-water line 513 and cold valves 530, be connected to check valve 538, the flow direction of check valve 538 is to flow to cold valves 530 by hot-water line 513, after opening cold valves, automatically controlled pile-up valve 521 actions, cold water in the water inlet pipe 532 is divided into two-way equally, through tube connector 531 inflow cold valves 530 is cold water, and through hot-water line 513, what check valve 538 flowed into cold valves 530 is hot water, cold water and hot water, can supply water to multiple spot after a plurality of cold valves of access between check valve 538 and the cold valves 530 after hot water pipe 539 flows out in the import mixing of cold valves 530.

Embodiment six, see Fig. 6, belong to second technical scheme, and it is to have cancelled the travel switch 40 among Fig. 1 and with the 638 control solenoids 620 of the water flow sensing unit on the hot water pipe among Fig. 66 39, other structure is identical with Fig. 1.Figure 6 shows that the normality of standby, automatically controlled water intaking valve 621 and automatically controlled outlet valve 622 are closed, automatically controlled spilling water valve 623 is opened, and water tank communicates with atmosphere through hot-water line 613, automatically controlled spilling water valve 623, overflow pipe 634; When using hot water, open when mixing water valve 630, cold water in the shell 641 is through water inlet pipe 632, mix the cold water outlet of water valve 630, hot water pipe 639 flows out, piston 650 moves to left under compression spring 653 effects simultaneously, water flow sensing unit 638 detects the power supply of connecting solenoid 620 behind the current in the hot water pipe, automatically controlled water intaking valve 621 is opened, automatically controlled outlet valve 622 is opened, automatically controlled spilling water valve 623 cuts out, piston 650 moves left to push rod 651 piece 642 that will block water and pushes away the water inlet openings that makes water inlet 672 left and increase and maintain a certain balance position, running water in the running water pipe 671 is two-way in water inlet pipe 632 punishment again after water inlet 672 enters shell 641, one tunnel cooling water inlet through mixed water valve 630 enters mixed water valve, another road enters cold water pipe 612 through automatically controlled water intaking valve 621 and enters water tank again, hot water in the water tank is pressed into hot-water line 613 after automatically controlled outlet valve 622 enters outlet pipe 633, enter the hot water inlet that mixes water valve 630 again, become dim water from the cold water mix of mixing the water valve cooling water inlet after hot water pipe 639 flows out then, have current because of water flow sensing unit 638 detects on the hot water pipe 639 all the time therebetween, solenoid 620 is energized always; After using warm water, after closing mixed water valve, water flow sensing unit 638 detects the power supply that does not have promptly to cut off behind the current solenoid 620 on the hot water pipe 639, automatically controlled water intaking valve 621, automatically controlled outlet valve 622 and automatically controlled spilling water valve 623 reset to state shown in Figure 6, and piston 650 outwards moves to limited 645 spacing ending.From present embodiment as seen, it is the same to the water inlet pipe that mixes between the water valve that water flow sensing unit is located at shell delivery port among Fig. 6, if but be located on the running water pipe among Fig. 6, then the action of the solenoid piece that will block water lags behind to the effect of water inlet or moving of piston.

Embodiment seven, see Fig. 7, belong to second technical scheme, are the structures that adds between running water pipe in Fig. 6 embodiment and the expander behind the automatically controlled main valve after the shell of expander done to change slightly.Because increased automatically controlled main valve, so the limited block 645 among Fig. 6 can be cancelled, and on the wall of the shell 741 that constitutes expander, offer spilled water hole 748, in the present embodiment among the effect of spilled water hole 748 and Fig. 2 among the embodiment effect of spilled water hole 148 identical, and the automatically controlled main valve 728 in the present embodiment is also identical with automatically controlled main valve 128 among Fig. 2 embodiment, after having understood Fig. 2 embodiment and Fig. 6 embodiment, just be appreciated that present embodiment, so, state its operation principle no longer more.Other parts among Fig. 7 are respectively running water pipe 771, feed pipe 727, the piece 742 that blocks water, piston 750, compression spring 753, hot water pipe 739, mix water valve 730, water flow sensing unit 738, overflow pipe 713, water inlet pipe 732, outlet pipe 733, valve body 729, solenoid 720, cold water pipe 712, hot-water line 713.

Embodiment eight, see Fig. 8, also belong to second technical scheme, present embodiment has been cancelled travel switch 540 back and outside its tube connector 531 water flow sensing unit has been set and forms in Fig. 5 embodiment, see water flow sensing unit shown in Figure 8 500, do not have what special feature, after having understood Fig. 5 embodiment, can understand present embodiment, in the present embodiment except that sensor 500 other structure all can in Fig. 5, find.

Embodiment nine, see Figure 10, belong to first technical scheme, it is on the running water pipe passage in Fig. 1 a mechanical valve to be set, and the limited block among cancellation Fig. 1 45 back changes and comes, as shown in figure 10, mechanical valve 80 is arranged on the passage of running water pipe 871, its switch lever 801 passes shell 841 and stretches to the piston rear side, the benefit of this structure is, close in the closed procedure force disconnect fast from the water pressure on the running water pipe, avoid the hysteresis that automatically controlled water intaking valve, automatically controlled spilling water valve exist and cause the hydraulic pressure of running water to be delivered in the water tank in short-term in reseting procedure; As can be seen from Fig. 10, even above-mentioned lag time is longer, but because piston pushes up closed condition with the switch lever 801 of mechanical valve 80, so even the resetting time of automatically controlled water intaking valve and automatically controlled spilling water valve is long again, hydraulic pressure in the running water pipe can not be delivered in the water tank yet, and its suffered maximum pressure can be set when the malleation area of the elastic force of design pressure spring and piston.After opening mixed water valve, piston is when moving to left, and switch lever 901 resets under the effect of spring (not drawing among the figure) and mechanical valve 80 is opened.

Claims

1, a kind of mixed type non-static pressure water heater comprises water tank, pyrogenicity body, temperature controller, cold water pipe, hot-water line, hot water pipe and running water pipe; It is characterized in that:

A, running water pipe connect the expander water inlet, be provided with the piece that blocks water that can block the expander water inlet in the expander, the expansion wall of expander is controlled the motion of the piece that blocks water, the motion of expansion wall promoted to block water the water inlet of piece away from expander when expander shrank, the flow of inlet water of water inlet is increased, and on the contrary, expansion wall moved in opposite directions when expander expanded, the block reset that blocks water diminishes the flow of inlet water of water inlet;

B, expander delivery port tap into water pipe, are provided with cold valves between water inlet pipe and the hot water pipe, are provided with normally closed automatically controlled water intaking valve between water inlet pipe and the cold water pipe;

Be provided with the automatically controlled spilling water valve of often opening between c, hot-water line and the overflow pipe, the highest spilling water point of the spilling water passage that hot-water line, automatically controlled spilling water valve and overflow pipe constitute is close to or higher than the water tank highest point;

D, normally closed automatically controlled outlet valve is set between the import of hot-water line and cold valves, the check valve that is flowed to cold valves by hot-water line perhaps is set between the import of hot-water line and cold valves, perhaps between hot-water line and hot water pipe, hot water valve is set, normally closed automatically controlled outlet valve perhaps is set between hot-water line and hot water pipe;

The expansion wall and the travel switch of e, described expander are supporting, forward touched travel switch to cut off the power supply of automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve when expansion wall outwards expand into certain position, made automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve enter normality.

2, according to the described mixed type non-static pressure water heater of claim 1, it is characterized in that being provided with normally closed mechanical valve between described running water pipe and the expander water inlet, the switch lever of this mechanical valve is positioned at the described travel switch outside, and the outer distance back promotion switch lever that moves of continuation was closed mechanical valve after forward had touched travel switch in the process that expansion wall is outwards moved.

3, according to the described mixed type non-static pressure water heater of claim 1, it is characterized in that being provided with between described running water pipe and the expander water inlet normally closed automatically controlled main valve, this automatically controlled main valve and described automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve are controlled by described travel switch simultaneously; The delivery port of described expander is connected to normally closed automatically controlled bleed valve, the expansion wall of expander and the Drain Cock of time-delay closing are supporting, touch described travel switch when expansion wall outwards expands earlier and touch the time-delay closing Drain Cock again, automatically controlled bleed valve is controlled by the time-delay closing Drain Cock.

4,, it is characterized in that described cold valves and hot water valve are respectively to mix the Cold water tap and the hot-water valve of water valve according to the described mixed type non-static pressure water heater of claim 1.

5, according to the described mixed type non-static pressure water heater of claim 1, it is characterized in that described expander is made of shell, expansion wall and compression spring, the inner chamber of shell and expansion wall constitute the expansion chamber of expander, the water inlet of described expander is located on the shell, is provided with compression spring between expansion wall and the shell expansion wall can inwardly be shunk; Described blocking water is provided with back-moving spring between piece and the expansion chamber, when the pressure in the expansion chamber descends, expansion wall is shunk under the compression spring effect and the piece that promotes to block water overcomes the elastic force of back-moving spring, make the piece that blocks water away from the flow of water inlet with the increase water inlet, on the contrary, when the pressure in the expansion chamber rose, the effect that hydraulic pressure helps expansion wall to overcome compression spring expanded outwardly, and the piece that blocks water resets under action of reset spring.

6, a kind of mixed type non-static pressure water heater comprises water tank, pyrogenicity body, temperature controller, cold water pipe, hot-water line, hot water pipe and running water pipe; It is characterized in that:

E, be provided with water flow sensing unit on the cold water exhalant canal that expander delivery port, water inlet pipe, cold valves, hot water pipe constitute, water flow sensing unit is controlled the power supply of automatically controlled water intaking valve, automatically controlled spilling water valve and automatically controlled outlet valve.

7, according to the described mixed type non-static pressure water heater of claim 6, it is characterized in that being provided with normally closed mechanical valve between described running water pipe and the expander water inlet, the switch lever of this mechanical valve is positioned at described outer side of expanding wall, and the pull switch bar cut out mechanical valve when the outside motion of expansion wall put in place.

8, according to the described mixed type non-static pressure water heater of claim 6, the delivery port that it is characterized in that described expander is connected to normally closed automatically controlled bleed valve, pressure sensor is set in water tank, and pressure sensor is electrically connected with the time relay, and the time relay is controlled the power supply of automatically controlled bleed valve.

9,, it is characterized in that described cold valves and hot water valve are respectively to mix the Cold water tap and the hot-water valve of water valve according to the described mixed type non-static pressure water heater of claim 6.

10, according to the described mixed type non-static pressure water heater of claim 6, it is characterized in that described expander constitutes by shell, compression spring with as the piston of expansion wall, the inner chamber of shell and piston constitute the expansion chamber of expander, and the inner chamber of piston and shell is slidingly matched and is provided with sealing ring between the two; The water inlet of described expander is located on the shell, is provided with compression spring between piston and the shell piston can be moved inward; Described blocking water is provided with back-moving spring between piece and the expansion chamber, when the pressure in the expansion chamber descends, piston moves in expansion chamber under the compression spring effect and promotion blocks water, and piece overcomes the elastic force of back-moving spring, make the piece that blocks water away from the flow of water inlet with the increase water inlet, on the contrary, when the pressure in the expansion chamber rose, the effect that hydraulic pressure helps piston to overcome compression spring was outwards moved, and the piece that blocks water resets under action of reset spring.