CN101012966A - Control method of hybrid water heater - Google Patents
Control method of hybrid water heater Download PDFInfo
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- CN101012966A CN101012966A CN 200710007817 CN200710007817A CN101012966A CN 101012966 A CN101012966 A CN 101012966A CN 200710007817 CN200710007817 CN 200710007817 CN 200710007817 A CN200710007817 A CN 200710007817A CN 101012966 A CN101012966 A CN 101012966A
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Abstract
The invention relates to a method for controlling the mixed water heater, comprising a water box, a water inlet tube, a water outlet tube, a controller, a water tap and or mixed valve. The water outlet tube between the water tap and the water box or the tube between the cold water inlet of mixed valve and the water tap tube is arranged with a water flux sensor. The overflow channel of water box is arranged with normal-open electric overflow valve. The invention is characterized in that the expander and normal-closed electric water inlet valve are connected between the water inlet tube and the water box; the outer side of expanding wall of the expander is arranged with a strike switch controlled by the expanding wall; the signal change of water flow sensor can trigger the controller to connect the power of electric water inlet valve and electric overflow valve or not; and the signal change of strike switch can trigger controller to cut off the electric water inlet valve and electric overflow valve.
Description
Technical field
The present invention relates to a kind of control method of hybrid water heater.
Background technology
The use of water heater is more general at present, it comprises water tank, water inlet pipe, outlet pipe and heater, heater can be electrothermal tube, solar thermal collector or heat-pump-type heating, be divided into closed and open type by its water tank working method, shortcoming is that cost height, life-span are short though closed water heater's water outlet is strong, though and the open-type water heater cost is low, the long unable shortcoming of water outlet that exists of life-span.
Summary of the invention
To the objective of the invention is the short or problem that water outlet is unable of cost height, life-span that exists in the existing water heater in order solving, and a kind of control method of easy to use, safe, hybrid water heater that water outlet is strong to be provided.
Realize that purpose technical scheme of the present invention is: a kind of control method of hybrid water heater, water tank, water inlet pipe, outlet pipe, controller, tap or mixed water valve have been used, wherein tap to the outlet pipe between the water tank or the cooling water inlet of mixed water valve be provided with water flow sensing unit to the connecting leg between the running water pipe, the spilling water passage of water tank is provided with the automatically controlled spilling water valve of often opening, it is characterized in that from the water inlet pipe to the water tank between order be connected to expander, normally closed automatically controlled water intaking valve; Outer side of expanding wall at this expander is provided with the travel switch that is subjected to expansion wall control; Utilize water flow sensing unit to become the power supply that the signal change triggers controller that detects current is connected automatically controlled water intaking valve and automatically controlled spilling water valve less than current, utilize travel switch by being switched to the power supply that disconnects or disconnect automatically controlled water intaking valve and automatically controlled spilling water valve by the signal change triggers controller that is disconnected to connection from detecting.The triggering signal of travel switch can only or be by being switched to disconnection, by being disconnected to connection, and the triggering signal of water flow sensing unit must be to become the signal that current are arranged by the signal that does not have current, and the circuits for triggering that it is equivalent in the Digital Electronic Technique are triggered by rising edge or triggered by trailing edge.
Principle of the present invention is, when fetching boiling water leading moment, the detection signal of water flow sensing unit becomes from no streamflow regime streamflow regime, after the variation of this water-flow signal is delivered to controller, controller is no matter the state of travel switch is to disconnect or connect all entering the state of connecting automatically controlled water intaking valve and automatically controlled spilling water valve power supply, automatically controlled water intaking valve is opened, automatically controlled spilling water valve cuts out, drops in the expander, travel switch is inflated wall and unclamps (if the state of travel switch is connection after unclamping, then travel switch is not changed the duty of controller by the state that is disconnected to connection), the water of running water pipe is through water inlet pipe, expansion chamber, automatically controlled water intaking valve enters water tank, and then the hot water in the water tank is pressed into outlet pipe flows out through tap, water heater is in closed user mode; After using hot water, close tap, press liter in the expander, the expansion wall of expansion chamber is depressed travel switch to moving, make travel switch return off-state by connection, after controller detects travel switch and returns off-state by on-state, do not consider the state of water flow sensing unit, and close the power supply of automatically controlled water intaking valve and automatically controlled spilling water valve immediately, automatically controlled water intaking valve and automatically controlled spilling water valve are resetted, water tank is in the open type state, and its benefit is that the fast characteristics of reaction speed when utilizing expansion wall to expand make water tank return the open type state rapidly, avoids water tank to be subjected to the impact of too high hydraulic pressure.
The control method of described hybrid water heater is characterized in that the intake tunnel of described expander is provided with non-complete valve-off, and this non-complete valve-off is by the expansion wall control of expander; Expansion wall outside when mobile earlier the non-complete valve-off of control enter and have only the non-buttoned-up status in minute opening gap to depress described travel switch again, expansion wall just stopped to move after described controller disconnected the power supply of automatically controlled water intaking valve and automatically controlled spilling water valve, and the openings of sizes of expansion wall when controlling non-complete valve-off open mode realizes constant to hydraulic pressure in the expansion chamber.
The control method of described hybrid water heater is characterized in that described non-complete valve-off by the water inlet of expansion chamber be positioned at the expansion chamber water inlet piece that slidably blocks water and constitute, and the slip of this piece that blocks water is controlled by plunger.
The control method of described hybrid water heater is characterized in that the described piece that blocks water is subjected to gravity or the buoyancy of self or is arranged on the effect of the back-moving spring between piece and the expansion chamber that blocks water and is positioned in described water inlet.Certainly, the piece that blocks water also can constitute non-complete valve-off by the mode that links to each other with expansion wall and the water inlet of expansion chamber, but the piece that blocks water of this moment must long enough.
The control method of described hybrid water heater is characterized in that described non-complete valve-off is made of moving plate and still, is respectively equipped with the limbers on moving plate and the still and is set directly in the valve body, and wherein the afterbody of the limbers of moving plate or still is the seam that sluices.
The control method of described hybrid water heater, it is characterized in that described expander is made of valve body and expansion wall, valve body is provided with plunger cavity, plunger cavity the inner communicates with the inner chamber of valve body, the outer end communicates with atmosphere, plunger and plunger cavity as expansion wall are slidingly matched, plunger is anterior to surround expansion chamber with body cavity, is provided with control spring between plunger and the valve body, and its elastic force direction is shunk expansion chamber.
The control method of described hybrid water heater, it is characterized in that described expander is made of valve body and expansion wall, valve body is provided with plunger cavity, plunger cavity is inner to communicate with the inner chamber of valve body, the outer end communicates with atmosphere, plunger and plunger cavity as expansion wall are slidingly matched, plunger is anterior to surround expansion chamber with body cavity, the water inlet of described valve body is furnished with slide block, the water inlet of this slide block and described valve body constitutes a non-complete valve-off, hydraulic pressure in described expansion chamber descend and running water when water inlet enters expansion chamber, lean on power drive slide block mobile plunger mobile non-complete valve-off in expansion chamber that drives in expansion chamber of water to open up to slide block and water inlet formation, when hydraulic pressure in the expansion chamber rose, plunger was mobile and drive described slide block and reset and make described non-complete valve-off enter non-buttoned-up status to expansion chamber outside.
The control method of described hybrid water heater, it is characterized in that being provided with between described plunger front portion or front end and the valve body batch (-type) sealing ring, when plunger outward move to depress described travel switch after, the slit seal circle just enters sealing state and seals between plunger and plunger cavity.
The control method of described hybrid water heater is characterized in that described plunger front portion is provided with the annular muscle that is positioned at expansion chamber, and described batch (-type) sealing ring is an annular rubber ring, and this annular rubber ring is placed on the annular muscle rear side of plunger front portion.
The control method of described hybrid water heater is characterized in that being provided with secondary seal ring between described plunger rear portion and the plunger cavity.
The control method of described hybrid water heater is characterized in that the rear portion of the plunger cavity of described valve body is provided with spilled water hole.
The control method of described hybrid water heater is characterized in that described water tank is provided with level sensor, and when the water level in the water tank was not in place, level sensor was directly connected the power supply of automatically controlled water intaking valve.
The pairing hybrid water heater of the control method of described hybrid water heater, comprise water tank, heater, water inlet pipe, outlet pipe, controller, tap or mixed water valve, wherein tap to the outlet pipe between the water tank or the cooling water inlet of mixed water valve be provided with water flow sensing unit to the connecting leg between the running water pipe, the spilling water passage of water tank is provided with the automatically controlled spilling water valve of often opening, and is sequentially with expander, normally closed automatically controlled water intaking valve between from the water inlet pipe to the water tank; This expander is by valve body, expansion wall and non-complete valve-off constitute, valve body is provided with plunger cavity, plunger cavity is inner to communicate with the inner chamber of valve body, the outer end communicates with atmosphere, plunger and plunger cavity as expansion wall are slidingly matched, be provided with sealing ring between plunger and the plunger cavity, plunger is anterior to surround expansion chamber with body cavity, the water inlet of expansion chamber connects described water inlet pipe, delivery port connects the water inlet of described automatically controlled water intaking valve, be provided with control spring between plunger and the valve body, its elastic force direction is shunk expansion chamber, non-complete valve-off is arranged on the intake tunnel of expansion chamber, and the action of non-complete valve-off is controlled by plunger.Certainly, if when the present invention is used for electric heater, in order to prevent its dry combustion method, optimal method is the height that the irrigating gate height of outlet pipe is higher than electrothermal tube.When fetching boiling water tap after preventing to cut off the water, the hot water in the water tank flows backwards to running water pipe, is preferably in water inlet pipe check valve is set foremost.
Non-complete valve-off of the present invention is meant that it closes the back and also have small gap to communicate between the in-out end, and this state is non-buttoned-up status.
Hybrid water heater operation principle of the present invention is, when fetching boiling water tap or mixed water valve, after detecting and have water to flow on the outlet pipe, connects by controller the power supply of automatically controlled water intaking valve and automatically controlled spilling water valve, automatically controlled water intaking valve is opened, automatically controlled spilling water valve cuts out, at this moment, because non-complete valve-off is in non-buttoned-up status, current in water inlet pipe enters expansion chamber are less, be not enough to replenish the water yield of expansion chamber through tap or the outflow of mixed water valve, so, drops in the expansion chamber of expander, plunger moves inward under the effect of control spring up to the non-complete valve-off that promotes to be in crack state and enters open mode, and make the interior pressure of expansion chamber be less than or equal to the pressure of running water pipe hydraulic pressure, play the effect of constant voltage decompression, the water of running water pipe is through water inlet pipe, expansion chamber, automatically controlled water intaking valve enters water tank, and then the hot water in the water tank is pressed into outlet pipe through tap or the outflow of mixed water valve; After using hot water, close tap or mixed water valve, water flow sensing unit detects current stop after, the controller powered-down resets automatically controlled water intaking valve and automatically controlled spilling water valve, water tank is in the open type state, and this moment, the plunger in the expansion chamber outwards moved under the hydraulic pressure effect, made non-complete valve-off turn back to crack state from open mode, and the interior hydraulic pressure of the hydraulic pressure in this moment expansion chamber and running water pipe is identical.Wherein the crack state of non-complete valve-off is mainly used in the instantaneous water flow sensor that prevents to close tap and also has little time to react the water that causes in the running water pipe and enter water tank fast and water tank is impacted, having increased can be in the moment of closing tap behind this crack state, non-complete valve-off enters the impact that crack state absorbs running water fast, the plunger outward translational speed descends then, make water flow sensing unit that the enough reaction time be arranged, particularly the mechanical type water flow sensing unit can must just can stop after a period of time because of action of inertia when current stop.
Described hybrid water heater, the sealing ring between the plunger cavity of plunger and valve body are the slit seal circles, and this slit seal circle is arranged between plunger front portion or front end and the valve body.When described batch (-type) sealing ring is meant it with plunger motion, seal when being positioned at a certain position, do not seal when being positioned at the another location.Specifically be meant: when the plunger front portion skids off plunger cavity, this batch (-type) sealing ring moves with plunger and separates with plunger cavity or valve interior wall, the sealing ring of this moment does not seal, but when plunger turns back to outermost position, sealing ring moves to turn back between plunger and the plunger cavity or between plunger end and the valve interior wall with plunger and seals again, also be that the sealing circle is intermittently to play sealing function with plunger in different positions, the benefit of batch (-type) sealing ring is to be moved into when promoting non-complete valve-off when plunger, frictional force is minimum between batch (-type) sealing ring and the plunger cavity, the control accuracy of the openings of sizes when guaranteeing plunger to non-complete valve-off open mode improves voltage regulation result.
Described hybrid water heater, the plunger front portion is provided with annular muscle, and described batch (-type) sealing ring is an annular rubber ring, and this annular rubber ring is placed on the annular muscle rear side of plunger front portion.When plunger was positioned at outermost position, rubber ring was sandwiched between annular muscle and the valve interior wall and seals.Its benefit is no matter where plunger is positioned at, and the batch (-type) sealing ring of this mode can not increase the frictional force between plunger and the plunger cavity all the time.
Described hybrid water heater is provided with secondary seal ring between plunger rear portion and the plunger cavity.When stretch out outside the plunger cavity plunger front portion, when the batch (-type) sealing ring did not seal, this secondary seal ring sealed between plunger and plunger cavity.Make the sealing property of secondary seal ring be lower than the sealing property (frictional force between batch (-type) sealing ring and the plunger cavity is greater than the frictional force between secondary seal ring and the plunger cavity) of batch (-type) sealing ring during design, its benefit is, during normality, the batch (-type) sealing ring of high sealing performance seals, and when being in user mode, have only secondary seal ring to seal, frictional force between this moment plunger and the plunger cavity is little, the precision of the openings of sizes in the time of also can improving plunger and control non-complete valve-off open mode.
Described hybrid water heater, the rear portion of the plunger cavity of valve body is provided with spilled water hole.Spilled water hole is in communication with the outside the gap between secondary seal ring and the batch (-type) sealing ring so that the water in it can prevent that secondary seal ring is in high pressure conditions for a long time, and shorten its service life to leaking when plunger is in outermost position.
Described hybrid water heater, the internal diameter at the plunger cavity rear portion of valve body are slightly larger than anterior internal diameter, and the plunger cavity end is provided with spilled water hole.Its effect is identical with last feature, and when plunger was positioned at outermost position, the water between secondary seal ring and the batch (-type) sealing ring flowed to spilled water hole through the gap at secondary seal ring and plunger cavity rear portion and to leaking.Its benefit is that when plunger slided, secondary seal ring can not contact with spilled water hole, has prevented the damage to secondary seal ring of secondary seal ring and spilled water hole contact process.
Described hybrid water heater, non-complete valve-off are by the water inlet of expansion chamber and be positioned at the expansion chamber water inlet piece that slidably blocks water and constitute, and the slip of this piece that blocks water is controlled by plunger.The described piece that blocks water is subjected to gravity or the buoyancy function and be positioned in described water inlet of self.
Described hybrid water heater, the back-moving spring that is provided with between piece and the valve body of blocking water, the elastic force of the back-moving spring piece that will block water is pushed described water inlet to.
Described hybrid water heater, non-complete valve-off is made of moving plate and still, is respectively equipped with the limbers on moving plate and the still and is set directly in the valve body, and wherein the afterbody of the limbers of moving plate or still is the seam that sluices.When stride mutually the limbers on moving plate and the still, be in non-complete valve-off and be in open mode, when one of them limbers is in crack state--also non-buttoned-up status during only across the sluicing seam place of another limbers.
Described hybrid water heater, valve body are provided with the travel switch supporting with plunger.Its effect is when the moment of closing tap or mixed water valve, after plunger outward moves to the depression stroke switch, water flow sensing unit is because the information that action of inertia also is not able to do in time not have current in the outlet pipe when being delivered to controller, the signal that utilizes plunger outward to move to the depression stroke switch replaces water flow sensing unit to close the signal of automatically controlled water intaking valve and automatically controlled spilling water valve, signal when also promptly utilizing water flow sensing unit to detect current to grow out of nothing changes the connection of controlling power supply, and utilize travel switch be disconnected or the signal of close (both only get one) changes and controls closing of power supply.
Described hybrid water heater, water tank is provided with level sensor.When not having water in level sensor detects water tank, controller is connected automatically controlled water intaking valve power supply (can disconnect the power supply of automatically controlled spilling water valve this moment), when the water level in detecting water tank arrives the level sensor place, just disconnects the power supply of automatically controlled water intaking valve.Benefit is when newly water heater being installed, and only need plug in gets final product automatic loading water, and after having used a period of time, if when having a power failure, water heater can be worked as open type and be used, because this moment, water tank communicated with atmosphere by automatically controlled spilling water valve, so, when fetching boiling water tap, hot water in the water tank can flow out equally, in case and the water in the water tank uses up, when having closed tap again, after recovering incoming call, controller can be from the water filling of trend water tank.
Owing to adopted technical solutions according to the invention, hybrid water heater is at outlet valve (mix water valve) when closing, water tank communicates with atmosphere, only when its water outlet, water tank just bears less dynamic water-pressure, water tank becomes pressure-bearing duty in short-term by original long-term pressure-bearing duty, and this hydraulic pressure is lower, can reduce the withstand voltage standard of water tank, thereby reduce the water tank wall thickness and save cost and resource, water tank, is difficult for by corrosion at high pressure conditions without long-term work, prolong the service life of water tank, improve its security performance; Though this hybrid water heater is the open type state when not water outlet, can realize that equally central authorities supply water, so, long, safety of life-span not only, and easy to use, simple in structure, the advantage of having mixed open-type water heater and closed water heater.The use of discontinuous formula sealing ring of the present invention can guarantee the sealing property of expander, also can guarantee the constant voltage precision of expander.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the pipeline connection diagram of an embodiment of hybrid water heater of the present invention.
Fig. 2 is the internal structure schematic diagram of expander among Fig. 1 embodiment.
Fig. 3 is the internal structure schematic diagram of the another kind of structure of expander among Fig. 1 embodiment.
Fig. 4 is the enlarged drawing of the used still of non-complete valve-off among Fig. 3.
Fig. 5 is the enlarged drawing of the used moving plate of non-complete valve-off among Fig. 3.
Fig. 6 is the internal structure enlarged drawing of the another kind of structure of expander among circle 1 embodiment.
Mark among the figure, 91, water tank, 98, automatically controlled spilling water valve, 99, level sensor, 97, water flow sensing unit, 96, tap, 92, water inlet pipe, 94, check valve, 93, expander, 95, automatically controlled water intaking valve; 4, control spring, 6, secondary seal ring, 2, plunger, 7, batch (-type) sealing ring, 8, the batch (-type) sealing ring, 23, annular muscle, 21, front end, 5, the piece that blocks water, 114, guide pad, 51, back-moving spring, 113, water inlet, 111, delivery port, 110, expansion chamber, 11, valve seat, 12, valve gap, 20, spilled water hole, 100, travel switch, 120, through hole; 070, valve body, 07, control valve, 071, valve rod; 71, still, 711, the limbers, 712, the seam that sluices, 72, moving plate, 721, the limbers; 41, valve gap, 81, plunger, 811, cross bar, 812, lead, 813, guide table, 000, expansion chamber, 611, delivery port, 61, valve seat, 823, guide table, 822, the guiding position, 821, breach, 824, side opening, 82, slide block, 825, the hole, 411, the inlet opening, 80, travel switch.
The specific embodiment:
Fig. 1 is the pipeline connection diagram of an embodiment of hybrid water heater of the present invention.From Fig. 1 (heater does not draw the figure) as seen, described hybrid water heater, wherein tap 96 is provided with water flow sensing unit 97 to the outlet pipe between the water tank 91, the spilling water passage of water tank is provided with the automatically controlled spilling water valve of often opening 98, and on overflow pipe, be provided with level sensor 99, be sequentially with check valve 94, expander 93, normally closed automatically controlled water intaking valve 95 from water inlet pipe 92 to water tank 91.Suppose that state shown in Figure 1 is that water heater is in holding state, this moment, automatically controlled water intaking valve and automatically controlled spilling water valve all were in the normal state, water tank 91 communicates with atmosphere by overflow pipe, when using hot water, fetch boiling water leading 96, hot water in the water tank 91 flows out through tap 96 under the gravity effect, the signal of water flow sensing unit 97 is become the signal that current are arranged by the signal that does not have current, controller is connected the power supply of automatically controlled water intaking valve 93 and automatically controlled spilling water valve 98, automatically controlled water intaking valve is opened, automatically controlled spilling water valve cuts out, water in the running water pipe is through water inlet pipe, check valve 94, automatically controlled water intaking valve enters water tank, then with the hot water in the water tank through outlet pipe, tap extrudes; Expander shown in Figure 2 is in moment that automatically controlled water intaking valve 95 is opened, water under high pressure in the expansion chamber 110 is (because this moment, tap was opened, can not produce high pressure to water tank) flow into the water inlet of automatically controlled water intaking valve through delivery port 111, pressure in the expansion chamber descends fast, under the effect of control spring 4, plunger 2 moves downward, travel switch 100 released (this process controller does not change the state of each electrically-controlled valve), batch (-type) sealing ring 7 separates with plunger cavity with 8, by the secondary seal ring 6 that be positioned at plunger rear portion seal between plunger and the plunger cavity this moment, when plunger continues to move down, its front end 21 pushes up stop block 5 downwards and the opening of block water piece 5 and water inlet 113 is increased, at control spring 4, the effect lower plunger 2 of back-moving spring 51 and current is equilibrated at a certain position, this position changes with the variation in water pressure in the expansion chamber 110, and water heater enters formal sealing duty; And after finishing using, only need close tap, then the interior pressure of the expansion chamber of water tank and expander all can rise, plunger 2 among Fig. 2 is upwards pushed away by hydraulic pressure, when the piece 5 that blocks water is returned to position shown in Figure 2, the water of water inlet 113 can only enter expansion chamber 110 in the gap through blocking water between piece 5 and the water inlet 113, by the piece 5 that blocks water, the non-complete valve-off that back-moving spring 51 and water inlet 113 constitute enters non-buttoned-up status, because the discharge of this moment is less, the speed that plunger 2 moves up descends, when moving on to depression stroke switch 100 on the plunger, controller detects travel switch from promptly cutting off the power supply of automatically controlled water intaking valve and automatically controlled spilling water valve after releasing orientation returns depressed state, water tank turns back to the holding state that communicates with atmosphere through overflow pipe, and plunger also should continue up LAP, up to batch (-type) sealing ring 8 be crushed on seal between annular muscle 23 and the valve gap 12 and limited till, at this moment, the minor amount of water between secondary seal ring 100 and the batch (-type) sealing ring can be through spilled water hole 20 outflows.Wherein level sensor 99 is directly controlled automatically controlled water intaking valve 95.
Batch (-type) sealing ring 7 among the embodiment and 8 can only be selected one (batch (-type) sealing ring 8 is adopted in suggestion generally speaking) for use, the structure of sealing ring 7 is identical with the structure of common oil sealing, but the sealing effectiveness of sealing ring 7 is higher than the secondary seal ring 6 that is arranged on the plunger rear portion, and both fit over mutually and play the batch (-type) sealing function between plunger and the plunger cavity and the sealing ring 8 of annular is at annular muscle 23 rear sides of plunger front end.If in fact environment for use permission, then secondary seal ring 6 and spilled water hole 20 can not wanted, just at water heater in the water outlet use, have the water via through holes 120 of trace to flow out between plunger and plunger cavity, this is a no problem to the environment for use that is installed in the electric heater in the toilet or is installed in outdoor solar water heater.
In the foregoing description, if be positioned at the internal diameter that the valve body plunger cavity internal diameter that is equivalent to above position, spilled water hole 20 places is slightly larger than the bottom among Fig. 2, then spilled water hole 20 can omit.
The piece 5 that blocks water among Fig. 2 also can replace with the non-complete valve-off among Fig. 3 07 with the non-complete valve-off that water inlet 113 constitutes, the state of the non-complete valve-off 07 of valve rod 071 control among the figure, and the position of valve rod 07 is subjected to plunger control, and its control procedure is same as described above.Do a summary in this internal structure to non-complete valve-off 07, it and the shared valve body of dynamic pressure reducing valve, see Fig. 4, be provided with the seam 712 that sluices at the limbers of still 71 711 ends, with the moving plate among Fig. 5 72 steadily on the stills 71 in Fig. 4 the time, limbers 721 communicates with 711 major parts, non-complete valve-off is in open mode, when the valve rod 071 drive moving plate 72 among Fig. 3 rotated counterclockwise limbers 721 only across sluicing seam 712 places, non-complete valve-off was in crack non-buttoned-up status; Wherein still and moving plate all are arranged in the valve body, and during the water inlet pipe of limbers 711 map interlinkings 1 embodiment of still, then the limbers 721 of moving plate directly enters expansion chamber 110.
Among the embodiment of Fig. 1, if tap changes mixed water valve into, then water flow sensing unit can be arranged on the connecting leg that mixes water valve cooling water inlet and water inlet pipe 92, the benefit of this scheme is, as long as running water is arranged in the running water pipe, then water tank can place ground to use, but shortcoming is can not use when having a power failure.
See Fig. 6, this expander comprises the valve body that is made of valve seat 61 and valve gap 41 and as the plunger 81 of expansion wall, valve gap 41 is provided with the plunger cavity that matches with plunger 81, plunger 81 front portions surround expansion chamber 000 with body cavity, in the water inlet 411 of valve gap, is furnished with slide block 82, the 813 pairs of plunger movement of two guide table that are positioned at lead 812 both sides of plunger in the valve seat play the guiding role, the guiding position 822 of two other 823 pairs of slide block the inners of guide table also play the guiding role, slide block 82 constitutes a non-complete valve-off with water inlet 411, the delivery port of the check valve 94 in water inlet 411 map interlinkings 1, the water inlet of automatically controlled water intaking valve 95 in delivery port 611 map interlinkings 1, during tap 96 in opening Fig. 1, automatically controlled water intaking valve is opened, automatically controlled spilling water valve cuts out, water in the expansion chamber 000 flows out (its process and principle are the same with the foregoing description) through tap again after delivery port 611 flows to water tank, at this moment, the running water that is positioned at water inlet 411 makes it slide block 82 move up to expansion chamber 000 top, slide block moves in expansion chamber by the cross bar 811 that breach 821 drives on the plunger, thereby plunger is moved in expansion chamber, side opening 824 parts on slide block enter in the expansion chamber 000, this moment, non-complete valve-off entered open mode, running water is through water inlet 411, hole 825 on the slide block, side opening 824 enters expansion chamber 000 then through delivery port 611, automatically controlled water intaking valve enters water tank, and water heater enters user mode; In case moment tap, then the hydraulic pressure in the expansion chamber 000 rises, plunger 81 drives slide block 82 by cross bar 811 and resets together, after slide block resets to side opening 824 and enters water inlet, non-complete valve-off enters non-buttoned-up status, the gap of water between slide block and water inlet that this moment, water inlet was gone into slowly replenishes in expansion chamber, arrives position shown in Figure 6 up to plunger return; The course of action of travel switch 80 and the foregoing description is the same therebetween, is not going to repeat.Be not difficult to find out that Fig. 6 has utilized the slide block of water inlet to be subjected to the hydrodynamic elastic force effect that is used for replacing Fig. 2 medi-spring.
Claims (10)
1, a kind of control method of hybrid water heater, water tank, water inlet pipe, outlet pipe, controller, tap or mixed water valve have been used, wherein tap to the outlet pipe between the water tank or the cooling water inlet of mixed water valve be provided with water flow sensing unit to the connecting leg between the running water pipe, the spilling water passage of water tank is provided with the automatically controlled spilling water valve of often opening, it is characterized in that from the water inlet pipe to the water tank between order be connected to expander, normally closed automatically controlled water intaking valve; Outer side of expanding wall at this expander is provided with the travel switch that is subjected to expansion wall control; Utilize water flow sensing unit to become the power supply that the signal change triggers controller that detects current is connected automatically controlled water intaking valve and automatically controlled spilling water valve less than current, utilize travel switch by being switched to the power supply that disconnects or disconnect automatically controlled water intaking valve and automatically controlled spilling water valve by the signal change triggers controller that is disconnected to connection from detecting.
2, according to the control method of the described hybrid water heater of claim 1, it is characterized in that the intake tunnel of described expander is provided with non-complete valve-off, this non-complete valve-off is by the expansion wall control of expander; Expansion wall outside when mobile earlier the non-complete valve-off of control enter and have only the non-buttoned-up status in minute opening gap to depress described travel switch again, expansion wall just stopped to move after described controller disconnected the power supply of automatically controlled water intaking valve and automatically controlled spilling water valve, and the openings of sizes of expansion wall when controlling non-complete valve-off open mode realizes constant to hydraulic pressure in the expansion chamber.
3, according to the control method of the described hybrid water heater of claim 2, it is characterized in that described non-complete valve-off by the water inlet of expansion chamber be positioned at the expansion chamber water inlet piece that slidably blocks water and constitute, the slip of this piece that blocks water is controlled by plunger.
4,, it is characterized in that the described piece that blocks water is subjected to gravity or the buoyancy of self or is arranged on the effect of the back-moving spring between piece and the expansion chamber that blocks water and is positioned in described water inlet according to the control method of the described hybrid water heater of claim 3.
5, according to the control method of the described hybrid water heater of claim 2, it is characterized in that described non-complete valve-off is made of moving plate and still, be respectively equipped with the limbers on moving plate and the still and be set directly on the expander, wherein the afterbody of the limbers of moving plate or still is the seam that sluices.
6, according to the control method of the described hybrid water heater of claim 1, it is characterized in that described expander is made of valve body and expansion wall, valve body is provided with plunger cavity, plunger cavity the inner communicates with the inner chamber of valve body, the outer end communicates with atmosphere, plunger and plunger cavity as expansion wall are slidingly matched, plunger is anterior to surround expansion chamber with body cavity, is provided with control spring between plunger and the valve body, and its elastic force direction is shunk expansion chamber.
7, control method according to the described hybrid water heater of claim 1, it is characterized in that described expander is made of valve body and expansion wall, valve body is provided with plunger cavity, plunger cavity is inner to communicate with the inner chamber of valve body, the outer end communicates with atmosphere, plunger and plunger cavity as expansion wall are slidingly matched, plunger is anterior to surround expansion chamber with body cavity, the water inlet of described valve body is furnished with slide block, the water inlet of this slide block and described valve body constitutes a non-complete valve-off, hydraulic pressure in described expansion chamber descend and running water when water inlet enters expansion chamber, lean on power drive slide block mobile plunger mobile non-complete valve-off in expansion chamber that drives in expansion chamber of water to open up to slide block and water inlet formation, when hydraulic pressure in the expansion chamber rose, plunger was mobile and drive described slide block and reset and make described non-complete valve-off enter non-buttoned-up status to expansion chamber outside.
8, according to the control method of claim 6 or 7 described hybrid water heaters, it is characterized in that being provided with between described plunger front portion or front end and the valve body batch (-type) sealing ring, when plunger outward move to depress described travel switch after, the slit seal circle just enters sealing state and seals between plunger and plunger cavity.
9, the control method of described hybrid water heater according to Claim 8 is characterized in that described plunger front portion is provided with the annular muscle that is positioned at expansion chamber, and described batch (-type) sealing ring is an annular rubber ring, and this annular rubber ring is placed on the annular muscle rear side of plunger front portion.
10,, it is characterized in that the rear portion of the plunger cavity of described valve body is provided with spilled water hole according to the control method of claim 6 or 7 described hybrid water heaters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710007817 CN101012966A (en) | 2006-01-08 | 2007-01-04 | Control method of hybrid water heater |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610032830 | 2006-01-08 | ||
| CN200610032830.8 | 2006-01-08 | ||
| CN 200710007817 CN101012966A (en) | 2006-01-08 | 2007-01-04 | Control method of hybrid water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101012966A true CN101012966A (en) | 2007-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710007817 Pending CN101012966A (en) | 2006-01-08 | 2007-01-04 | Control method of hybrid water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101012966A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642751A (en) * | 2015-08-12 | 2017-05-10 | 李江平 | Water level control device of solar water heater |
| CN108444104A (en) * | 2018-05-16 | 2018-08-24 | 宋秋云 | A kind of exchange type electric water heater with water tank |
| CN111596703A (en) * | 2020-05-22 | 2020-08-28 | 余姚市菲龙金属制品有限公司 | Automatic temperature-adjusting bathing control device and method |
-
2007
- 2007-01-04 CN CN 200710007817 patent/CN101012966A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642751A (en) * | 2015-08-12 | 2017-05-10 | 李江平 | Water level control device of solar water heater |
| CN108444104A (en) * | 2018-05-16 | 2018-08-24 | 宋秋云 | A kind of exchange type electric water heater with water tank |
| CN111596703A (en) * | 2020-05-22 | 2020-08-28 | 余姚市菲龙金属制品有限公司 | Automatic temperature-adjusting bathing control device and method |
| CN111596703B (en) * | 2020-05-22 | 2022-10-04 | 余姚市菲龙金属制品有限公司 | Automatic temperature-adjusting bathing control device and method |
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