CN1837702A - Water-storing type water heater - Google Patents
Water-storing type water heater Download PDFInfo
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- CN1837702A CN1837702A CN 200610003877 CN200610003877A CN1837702A CN 1837702 A CN1837702 A CN 1837702A CN 200610003877 CN200610003877 CN 200610003877 CN 200610003877 A CN200610003877 A CN 200610003877A CN 1837702 A CN1837702 A CN 1837702A
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Abstract
The invention relates to a mixed non-static pressure water heater, with long service life and central water supply function. It comprises a water bank, a heating system, an expansion device, an outlet valve, a cold water tube, a hot water tube, an overflow tube and an inlet tube, while the cold and hot water tubes are connected to the water bank and the inlet tube is connected to the tap water tube. It is characterized in that: the expansion wall of expansion device is connected to a control block whose inner chamber is connected to the connecting tube; an inlet valve is between the connecting tube and the inlet tube; a control valve is between the connecting tube and the cold water tube; a overflow valve is between the cold water tube and the overflow tube; said inlet valve, control valve, and overflow valve are controlled via their switch blocks which are linked with said control block; the outlet valve can be a mixed water valve whose hot water inlet is connected to the hot water tube and cold water inlet is connected to the connecting tube.
Description
Technical field
The present invention relates to a kind of water heater, particularly a kind of storage water heater.
Background technology
The water-storage electric heater that existing family or hotel guest-room are used, the heating device that comprises water tank, temperature control element, the water in the water tank is heated (as 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 hot system of refrigerant system---the reverse work of refrigeration system is about to the condenser of refrigeration system as heater), during normality, running water pipe, water tank, hot-water line, tap constitute an obturator, and hot-water line can join to realize that central authorities supply water with a plurality of taps; The tap of fetching boiling water during use extrudes water under the hydraulic pressure effect of the hot water in the water tank in running water pipe through tap; The advantage of this closed electrical water heater is to realize that remote central authorities supply water, but shortcoming is short a, poor stability of life-span, reason is that water tank bears high hydraulic pressure for a long time, metal water tank under the HTHP effect very easily by corrosion, thereby shortened its life-span, and can blast when too high or temperature controller is malfunctioning, and cause danger when hydraulic pressure.
Summary of the invention
The objective of the invention is in order to solve the problem of short, poor stability of the life-span that exists among the existing storage water heater, and a kind of easy to use, safe, storage water heater that the life-span is long is provided.
Technical scheme:
The technical scheme that realizes the object of the invention is: a kind of storage water heater, comprise water tank, heating device, expander, outlet valve, overflow pipe, cold water pipe, hot-water line and water inlet pipe, wherein hot and cold water pipe communicates with water tank respectively, water inlet pipe communicates with running water pipe, the expansion wall that it is characterized in that described expander is connected with controll block, and the expander inner chamber communicates with described connecting leg; Be provided with inlet valve between described connecting leg and the water inlet pipe, be provided with by-pass valve control between connecting leg and the cold water pipe, be provided with the spilling water valve between cold water pipe and the overflow pipe; Described inlet valve, by-pass valve control, spilling water valve are controlled by switch block separately respectively, each switch block and the interlock of described controll block;
The connectivity scenario of outlet valve is chosen any one kind of them in three kinds of modes in following two kinds of schemes totally:
Scheme one comprises mode one and mode two:
The water inlet of mode one, outlet valve connects mixed water pipe, mixes to be provided with by hot-water line between water pipe and the described hot-water line to flow to the check valve that mixes water pipe, is provided with tapping pipe between described connecting leg and the mixed water pipe;
The water inlet of mode two, outlet valve connects described mixed water pipe, mixes between water pipe and the described hot-water line and is provided with hot-water valve, and the switch block of hot-water valve and the interlock of described controll block are provided with tapping pipe between described connecting leg and the mixed water pipe;
Scheme two has only mode three:
Mode three, outlet valve are to mix water valve, and the hot water inlet that mixes water valve connects described hot-water line, and the cooling water inlet that mixes water valve connects described connecting leg.
In mode three is that example illustrates its operation principle: open when mixing water valve, the water of expander inner chamber flows out (certainly through mixing water valve, therefore the spilling water passage is also connected the time, so also have part water to flow out in the water tank) through mixing water valve, expander shrinks because of interior drops, controll block moves, thereby driving each switch block rotates, the sequence of movement of each valve is: (have only one road running water through water inlet pipe this moment to open inlet valve gradually, inlet valve, connecting leg, mixing water valve flows out, be the cold water road, because of the opening of inlet valve this moment less---this state is called the crack state of inlet valve or gradually opens state, be not enough to replenish through mixing the water yield that water valve flows out, controll block continues to move down)---close the spilling water valve---opening by-pass valve control---open fully inlet valve (this moment another road running water appears through water inlet pipe, inlet valve, connecting leg, by-pass valve control, cold water pipe enters water tank, hot water in the water tank flows into the hot water inlet that mixes water valve through hot-water line, be the hot water road, mix with above-mentioned cold water road on the hot water road after the use for the user is flowed out in the outlet of mixed water valve), at this moment, the openings of sizes of inlet valve is relevant with mixed water valve water yield, water yield greatly then presses continuation to reduce in the expander, controll block continues to move down the opening that makes inlet valve and increases, press in the little then expander of water yield and increase, move on the controll block and make the inlet valve openings get smaller, thereby the hydraulic pressure that makes water tank and expander inner chamber is controlled in the less range hydraulic pressure, and this range hydraulic pressure is determined by the reset force of expander expansion wall and the malleation area of expansion wall; Close when mixing water valve, also be closed between hot-water line and the connecting leg, the water that enters the expander inner chamber through inlet valve makes to press in the expander and increases rapidly and expand, move on the controll block, thereby drive each switch block counter-rotating, the sequence of movement of each valve is: the opening of inlet valve diminishes rapidly, and (enter crack state or claim gradually to open state)---closing control valve---is opened the spilling water valve---and is closed inlet valve (also can maintain crack state) fully, controll block is moved on stopping, at this moment, water tank is through cold water pipe, the spilling water valve, overflow pipe communicates with atmosphere, if the water in the water tank is because of expanded by heating, then can be through the spilling water valve, overflow pipe overflows, and makes water tank be operated in the open type state.Mode one and mode two have just replaced the hot water side valve of mixed water valve respectively with the hot-water valve of check valve that is subjected to current control and the control of controlled clamp dog, its principle is similar.
Described storage water heater is characterized in that described controll block is provided with tooth bar, described each switch block be provided with controll block on the mutually meshing tooth of tooth bar.
Described storage water heater is characterized in that described by-pass valve control and spilling water valve are arranged in the switching valve, and this switching valve uses a switch block.
Described storage water heater is characterized in that described inlet valve, by-pass valve control and spilling water valve are arranged in the switching valve, and this switching valve uses a switch block.
Described storage water heater is characterized in that described expander is made up of lower casing, upper casing, diaphragm, and diaphragm is sandwiched between upper casing and the lower casing, constitutes the inner chamber of expander between diaphragm and the lower casing, constitutes the air cavity of sealing between diaphragm and the upper casing.When chamber pressure during greater than air cavity pressure, diaphragm is to the motion of air cavity direction, otherwise opposite.
Described storage water heater is characterized in that the minimum sluicing bore of described tapping pipe is not more than the hot water channel's of the connecting leg of flowing through, by-pass valve control, cold water pipe, water tank, hot-water line, check valve lowest calibre.In order to avoid tapping pipe causes the short circuit in water route and can not go out hot water the hot water channel.
Described storage water heater is characterized in that described heating device is that electricity causes device, and described water tank is connected to pressure switch, and pressure switch is controlled the power supply of electric heating device, and the operating state of pressure switch disconnects the power supply of electric heating device.When water heater is in holding state, if spilling water channel jam, in case electric heating device heats the water in the water tank, make when voltage rise is high in the water tank, pressure switch action back cuts off the power supply of electric heating device, prevent to press further in the water tank and rise, also prevent that water temperature under high pressure surpassing 100 simultaneously, in order to avoid the water tank blast.
Described storage water heater is characterized in that the operating pressure of described pressure switch is arranged on 0.0001MPa between the 0.3MPa.
Described storage water heater, the operating pressure that it is characterized in that described pressure switch is 0.0001MPa or 0.0002MPa or 0.0003MPa or 0.0004MPa or 0.0005MPa or 0.001MPa or 0.002MPa or 0.003MPa or 0.004MPa or 0.005MPa or 0.006MPa or 0.007MPa or 0.008MPa or 0.009MPa or 0.01MPa or 0.02MPa or 0.03MPa or 0.04MPa or 0.05MPa or 0.06MPa or 0.07MPa or 0.08MPa or 0.09MPa or 0.1MPa or 0.11MP or 0.12MPa or 0.13MPa or 0.14MPa or 0.15MPa or 0.16MPa or 0.17MPa or 0.18MPa or 0.19MPa or 0.2MPa or 0.21MP or 0.22MPa or 0.23MPa or 0.24MPa or 0.25MPa or 0.26MPa or 0.27MPa or 0.28MPa or 0.29MPa or 0.3MPa.
Described storage water heater, it is characterized in that described pressure switch is made of shell, piston and position detecting device, be provided with the plunger shaft that matches with piston in the shell, be provided with sealing ring between piston and the plunger shaft, the plunger shaft front portion communicates with water tank, the rear portion communicates with atmosphere; The anterior rear portion downwards of plunger shaft makes progress or between piston rear side and shell spring is set; The position detecting device that detects piston position is by piston and be fixed on that travel switch on the shell constitutes or by being fixed on the tongue tube on the shell and being fixed on that magnetic grain on the piston constitutes or by piston be fixed on constituting or being made of piston and the infrared facility that detects piston position near switch on the shell.
Described storage water heater, it is characterized in that described pressure switch is made of shell, gland, glued membrane and position detecting device, glued membrane is pressed between the pressure edge of outer cover port and gland, the expansion chamber that the glued membrane inboard constitutes between the shell inner cavity with it communicates with water tank, the glued membrane outside communicates with atmosphere, and glued membrane central authorities are fixed with support bar; Described position detecting device is by support bar and be fixed on that travel switch on the shell constitutes or by being fixed on the tongue tube on the shell and being fixed on that magnetic grain on the support bar constitutes or by support bar be fixed on constituting or being made of support bar and the infrared facility that detects post position near switch on the shell.
Described storage water heater is characterized in that described inlet valve is a non-complete valve-off with open mode and crack state.Wherein open mode is meant full open position, and the flow when crack state is meant with respect to open mode is minimum.
Described storage water heater is characterized in that the afterbody of intake tunnel of the still of described inlet valve is provided with stern notch.This stern notch is realized the crack state of described inlet valve.
Expander of the present invention can be a prior art, also discloses a kind of " bellows-type expander " in October 4 nineteen ninety-five among the disclosed Chinese patent bulletin CN2209380Y; Expansion wall wherein of the present invention is meant a wherein wall of expander, during this wall motion the volume of expander is changed.Heating device of the present invention is meant the device that heat exchanger in electrothermal tube, the heat-pump-type heating etc. heats the water in the water tank.
Beneficial effect:
Owing to adopted technical solutions according to the invention, the storage water heater is when not water outlet, water tank communicates with atmosphere, water tank becomes pressure-bearing duty in short-term by original long-term pressure-bearing duty, and the hydraulic pressure when its water outlet is to be determined by the reset force of expander expansion wall and the malleation area of expansion wall, so, pressure design in the time of the water tank pressure-bearing can being worked is in lower scope, make water tank be unlikely to long-term work at high pressure conditions, water tank is difficult for by corrosion, prolong the service life of water tank, improve its security performance; Though this storage 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.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of storage water heater embodiment one of the present invention.
Fig. 2 is the structural representation of storage water heater embodiment two of the present invention.
Fig. 3 is the structural representation of storage water heater embodiment three of the present invention.
Fig. 4 be expander among Fig. 3 along A---the profile of A line.
Fig. 5 is another state diagram in expander when action among Fig. 4.
Fig. 6 is the internal structure schematic diagram of another expander used among Fig. 3 embodiment.
Fig. 7 is the outward appearance zoomed-in view of the still that switching valve uses among the embodiment three.
Fig. 8 is the outside drawing with the supporting moving plate of Fig. 7.
Fig. 9 is the outward appearance zoomed-in view of the still that stop valve uses among the embodiment three.
Figure 10 is the outside drawing with the supporting moving plate of Fig. 9.
Figure 11 is the internal structure enlarged drawing of pressure switch among Fig. 1 embodiment.
Figure 12 is the inside enlarged drawing of the another kind of structure of pressure switch among Fig. 1 embodiment.
Among the figure 21, expander, 24, switch block, 28, overflow pipe, 241, cold water pipe, 23, controll block, 27, water tank, 262, hot-water line, 22, water inlet pipe, 25, stop valve, 251, connecting leg, 26, mix water valve, 261, outlet pipe; 38, overflow pipe, 001, pressure switch, 002, safety relief valve, 34, switch block, 331, the top, 31, expander, 36, mix water valve, 361, check valve, 362, hot-water line, 363, pipe, 368, connecting leg, 369, outlet pipe, 35, switch block, 32, water inlet pipe, 33, controll block, 37, water tank; 441, cold water pipe, 48, overflow pipe, 9, switching valve, 451, connecting leg, 452, tapping pipe, 461, outlet pipe, 46, outlet valve, 42, water inlet pipe, 1, stop valve, 464, mix water pipe, 43, expander, 463, check valve, 462, hot-water line, 47, water tank; 510, inner chamber, 51, shell, 54, switch block, 52, diaphragm, 53, bearing, 58, screw, 57, spring, 531, point is perverse, 55, switch block, 56, controll block, 511, the feed water inlet; 61, lower casing, 610, inner chamber, 65, switch block, 62, baffle plate, 621, through hole, 64, upper casing, 63, diaphragm, 640, air cavity, 66, switch block, 611, the feed water inlet, 67, controll block; 91, still, 94, cold water channel, 95, the connecting leg passage, 98, the spilling water passage; 92, moving plate, 921, groove; 11, still, 111, intake tunnel, 112, stern notch; 12, moving plate, 121, the inlet opening; 096, switch lever, 095, travel switch, 094, spring, 091, shell, 092, piston, 090, interface, 093, sealing ring, 0900, discharge opening; 0820, air gap, 0821, point is perverse, 082, gland, 084, glued membrane, 0810, interface, 081, shell, 0811, annular muscle, 0831, the hole, 0830, block wing, 083, support bar, 085, travel switch, 0851, switch lever.
The specific embodiment:
Embodiment one, Fig. 1 are the structural representations of storage water heater embodiment one of the present invention.Belong to scheme two (being mode three), as can be seen from Fig. 1, described storage water heater, comprise water tank 27, heating device (not drawing among the figure), expander 23, mix water valve 26, overflow pipe 28, cold water pipe 241, hot-water line 262 and water inlet pipe 22, the hot water inlet that mixes water valve 26 connects hot-water line 262, and the cooling water inlet that mixes water valve is connected to connecting leg 251; The outer side of expanding wall of expander 21 is connected with controll block 23, makes controll block 23 with the expansion wall motion, and controll block 23 both sides are provided with tooth bar, and the expander inner chamber communicates with connecting leg 251; Be provided with inlet valve between connecting leg 251 and the water inlet pipe 22, the switch block 25 of control inlet valve switch be one with controll block 23 on the gear that matches of tooth bar; By-pass valve control and spilling water valve are arranged in the switching valve, and this switching valve uses a switch block 24, switch block 24 for controll block 23 another sides on the gear that matches of tooth bar.Open when mixing water valve 26, the water of expander 21 inner chambers is through mixing water valve and outlet pipe 261 outflows, expander is because of interior drops, controll block 23 moves down, thereby driving switch block 24 and 25 rotates, the sequence of movement of each valve is: (have only one road running water through water inlet pipe 22 this moment to open inlet valve gradually, inlet valve, connecting leg 251, mix water valve 26, outlet pipe 261 flows out, be the cold water road)---close the spilling water valve---opening by-pass valve control---open fully inlet valve (this moment another road running water appears through water inlet pipe 22, inlet valve, connecting leg 251, by-pass valve control, cold water pipe 241 enters water tank 27, hot water in the water tank flows into the hot water inlet that mixes water valve 26 through hot-water line 262, mixes with above-mentioned cold water road after the outlet outflow that mixes on the water valve outlet pipe 261 is used for the user); Close when mixing water valve, also be closed between hot-water line 262 and the connecting leg 251, the water that enters the expander inner chamber through inlet valve makes to press in the expander and increases rapidly and expand, move on the controll block 23, thereby drive switch block 24 and 25 counter-rotatings, the sequence of movement of each valve is: the opening of inlet valve diminishes rapidly, and---closing control valve---is opened the spilling water valve---and is closed inlet valve fully, on stopping, controll block 23 moves, at this moment, water tank communicates with atmosphere through cold water pipe 241, spilling water valve, overflow pipe 28.A plurality of mixed water valves in parallel can realize that central authorities supply water on connecting leg 251 and hot-water line 262.Water tank 27 also is connected to pressure switch 001 and safety relief valve 002 respectively, when the pressure in the water tank during greater than the operating pressure of pressure switch 001, pressure switch 001 is cut off the power supply of electric heating device, also continue rising and make safety relief valve 002 action if press in the water tank, then safety relief valve is opened outside pressure release and can not blasted because of interior pressure is too high to guarantee water tank, the operating pressure of pressure switch can be set at 0.0001MPa or 0.0002MPa or 0.0003MPa or 0.0004MPa or 0.0005MPa or 0.0006MPa or 0.0007MPa or 0.0008MPa or 0.0009MPa or or 0.1MPa or 0.11MP or 0.12MPa or 0.13MPa or 0.14MPa or 0.15MPa or 0.16MPa or 0.17MPa or 0.18MPa or 0.19MPa or 0.2MPa; The operating pressure of safety relief valve 002 can be set at 0.08MPa or 0.09MPa or 0.1MPa or 0.11MP or 0.12MPa or 0.13MPa or 0.14MPa or 0.15MPa or 0.16MPa or 0.17MPa or 0.18MPa or 0.19MPa or 0.2MPa, but the operating pressure of pressure switch should be less than the operating pressure of safety relief valve.Wherein safety relief valve can be integrated in the pressure switch, see shown in Figure 11, comprise shell 091, piston 092 and travel switch 095 constitute, be provided with the plunger shaft that matches with piston 092 in the shell 091, the interface 090 of plunger shaft front portion is threaded with tank shell, the piston 092 that is positioned at plunger shaft is divided into front and back two parts with plunger shaft, plunger shaft is anterior to communicate with water tank, the rear portion communicates with atmosphere by discharge opening 0900, be provided with spring 094 between piston 092 and the shell 091, be provided with sealing ring 093 between piston 092 and the plunger shaft, sealing circle 093 can use existing oil sealing, travel switch 095 is fixed on shell 091 afterbody outer end, and the afterbody 097 of piston is supporting with the switch lever 096 of travel switch.When the hypertonia in the water tank, the elastic force that piston 092 among Figure 11 overcomes spring 094 is moved to the left, the afterbody 097 of piston makes travel switch 095 action and the power supply of electric heating devices such as disconnection electrothermal tube or electric heating element with switch lever 096 jack-up, also continue to raise if press in the water tank, then piston continues to be moved to the left up to piston and crosses discharge opening 0900, make in the water tank water through connect 090 and discharge opening 0900 outwards drain, wherein discharge opening 0900 can directly connect the gap of overflow pipe, and piston, spring and discharge opening have constituted safety relief valve.
Figure 12 is the internal structure enlarged drawing of the another kind of structure of pressure switch among Fig. 1 embodiment.Interface 0810 water receiving case among Figure 12, glued membrane 084 outer rim is sandwiched between shell 081 and the gland 082, glued membrane central authorities are fixed with support bar 083 with screw, position-limiting action is played in the interior position of 0811 pair of glued membrane of annular muscle of shell inboard, annular muscle 0811 upper end has the expansion chamber that breach surrounds glued membrane and shell and communicates with interface 0810, having air gap 0820 on the gland makes the glued membrane outside communicate with atmosphere, also be provided with point perverse 0821 on the gland and be fixed with travel switch 085, the switch lever 0851 of travel switch matches with the afterbody of support bar 083.When the hydraulic pressure in the water tank is too high, support bar 083 moves up under the drive of glued membrane, the switch lever 0851 of travel switch 085 is depressed to disconnect the power supply of electric heating system, also continue to rise if press in the water tank, then glued membrane continues upwards up to the hole 0831 of point perverse 0821 block wing 0830 on support bar to wear glued membrane is perverse.Certainly, travel switch 085 also can replace with the magnetic grain that is fixed on the support bar appropriate location with the tongue tube that is fixed on the gland.Shell among Figure 12 also can be the water tank shell, and pressure switch is arranged on the water tank highest point, makes glued membrane stretch into several centimetres of dark positions of water tank cavity and position-limit mechanism is set between support bar and gland, and the glued membrane submergence is had in the water.
In the present embodiment by-pass valve control and spilling water valve are synthesized the switching valve of a shared switch block 24, inlet valve uses a switch block 25 separately, rather than by-pass valve control, spilling water valve, inlet valve three be synthesized together, be for make switching valve be easy to produce.Wherein the structure of still in switching valve and the water intaking valve and moving plate can be referring to the Fig. 7 that discusses later, Fig. 8, Fig. 9, Figure 10.
When the mixed water valve 26 of present embodiment cuts out, be that the hot and cold water inlet between connecting leg 251 and the hot-water line 262 is cut off; If add a check valve that flow to mix the water valve direction between hot-water line 262 and mixed water valve, the structure that then should mix water valve also can be need not cut off the hot and cold water inlet who mixes water valve in off position the time.Certainly, because the opening action of check valve, be actually by opening in the switching valve to increase behind the by-pass valve control and press in the water tank and it is backed down, so, the opening of check valve can think and the opening synchronously of by-pass valve control, therefore can increase by one and replace check valve with the synchronous valve of by-pass valve control on switching valve, and this is that those skilled in the art are all attainable on basis of the present invention, and be a kind of simple replacement on basis of the present invention, within the scope of the invention involved.
Embodiment two, Fig. 2 are the structural representations of storage water heater embodiment two of the present invention.Compare with embodiment one, expander 31 among the embodiment two is a ball, this ball is placed in the spacing bucket, the top 331 that controll block 33 lower ends are provided with sphere is used to withstand ball, in the expander during drops, controll block can be leaned on self gravitation or at the controll block upside the downward spring of elastic force is set and realize moving down, and its operating principle is identical with embodiment one; Between hot water inlet that mixes water valve 36 and hot-water line 362, check valve 361 is set in addition, so, when the mixed water valve 36 of embodiment two cuts out, the pipe 363 with expander 31 between can communicate, its benefit is to mix water valve 36 to can be designed as the mixed water valve of the electric operated thermostatic that is built in the water heater, the data that relevant electric operated thermostatic mixes water valve is not done to state at this on November 29th, 2000 disclosed Chinese patent bulletin CN2408396Y more.
Also can be with 36 cancellations of the mixed water valve among Fig. 2 embodiment, directly will manage 363, connecting leg 368, outlet pipe 369 be communicated with, outlet pipe 369 is realized that as the hot water supply pipe of a plurality of mixed water valves easy central authorities supply water, and this moment, the cold water pipe of each mixed water valve directly connect running water pipe.Certainly, also can realize central water supply at a plurality of mixed water valves 36 in parallel on pipe 363 and the connecting leg 368.
Embodiment three, Fig. 3 are the structural representations of storage water heater embodiment three of the present invention.Belong to the mode one in the scheme one, described storage water heater comprises water tank 47, heating device (not drawing among the figure), expander 43, outlet valve 46, overflow pipe 48, cold water pipe 441, hot-water line 462 and water inlet pipe 42; The water inlet of taking the outlet valve 46 of water pipe 461 out of is connected to and mixes water pipe 464, mix between water pipe 464 and the hot-water line 462 and be connected to check valve 463, mix between water pipe 464 and the connecting leg 451 and join with tapping pipe 452, the internal diameter of tapping pipe 452 is less, in order to avoid tapping pipe causes the short circuit in water route to the hot water channel; Be provided with the stop valve 1 that uses as inlet valve between connecting leg 451 and the water inlet pipe 42, the spilling water valve between the by-pass valve control between connecting leg 451 and the cold water pipe 441, cold water pipe 441 and the overflow pipe 48 is integrated in the switching valve 9.In conjunction with Fig. 4 as seen, expander 43 is made of shell 51, bearing 53, diaphragm 52 and spring 57, diaphragm 52 is sandwiched between shell 51 and the bearing 53, diaphragm and shell surround inner chamber 510, diaphragm 52 central authorities as expansion wall are fixed with the controll block 56 that tooth bar is established in both sides, the switch block 54 and 55 of corresponding conversion valve 9 and stop valve 1 stretches in the inner chamber 510 meshing with the tooth bar of controll block 56 both sides respectively respectively, the delivery port of stop valve directly communicates with inner chamber 510, feed water inlet 511 on the shell communicates with connecting leg 451 (Fig. 3), and screw 58 is used for the elastic force of regulating spring 57.Close outlet valve 46 back expanders and be transformed into state shown in Figure 5 from Fig. 4 state, in its process, diaphragm 52 drives on the controll block 56 and moves, switch block 55 clockwise rotates, and switch block 54 rotates counterclockwise, and when the expansion amplitude of diaphragm 52 was excessive, sharp perverse 531 on the bearing was with its perverse wearing.
Fig. 7 and Fig. 8 are respectively the still of switching valve use among the embodiment three and the outward appearance zoomed-in view of moving plate.Still 91 is provided with three through holes corresponding cold water channel 94, connecting leg passage 95, spilling water passage 98 respectively, wherein cold water channel 94 communicates with cold water pipe 441 (Fig. 3), connecting leg passage 95 communicates with connecting leg 451 (Fig. 3), and spilling water passage 98 communicates with overflow pipe 48 (Fig. 3); Moving plate 92 is provided with groove 921 over against a side of still 91, moving plate among Fig. 8 92 is moved to the state that is expander 43 switching valve 9 when being in Fig. 4 behind still 91 tops among Fig. 7, this time slot 921 is communicated with cold water channel 94 and connecting leg passage 95, being equivalent to by-pass valve control opens, and spilling water passage 98 is obstructed with cold water channel 94, is equivalent to the spilling water valve closing; Switch block 54 drive moving plates 92 rotate counterclockwise up to groove 921 and are communicated with cold water channel 94 and spilling water passages 98 when moving on the controll block, and cut off cold water channel 94 and connecting leg passage 95.
Fig. 9 and Figure 10 are respectively the still of stop valve use among the embodiment three and the outward appearance zoomed-in view of moving plate.Have the intake tunnel 111 that communicates with water inlet pipe 42 (Fig. 3) on the still 11, its surface also is provided with a less stern notch 112, have into water through hole 121 on the moving plate 12, when being moved to still 11 tops among Fig. 9, moving plate 12 is the state of stop valve 1 when being in Fig. 4, the stop valve opening maximum (inlet valve is in full open position) of this moment, water inlet pipe 42, intake tunnel 111, water inlet through hole 121, inner chamber 510 (Fig. 4), feed water inlet 511 (Fig. 4), connecting leg 451 (Fig. 4) order are communicated with; Controll block 56 drive switch blocks 55 clockwise rotate when closing outlet valve 46 (Fig. 3), moving plate 12 is also done motion clockwise simultaneously, the opening of stop valve reduces rapidly, up to through hole 121 enters the scope of stern notch 112 with intake tunnel 111 dislocation in (inlet valve is in crack state), at this moment, the groove 921 of switching valve moving plate 92 forwards connection cold water channel 94 and spilling water passage 98 to by being communicated with cold water channel 94 and connecting leg passage 95, intake tunnel 111 can also communicate with water inlet through hole 121 by less stern notch 112 and continue to supply water to inner chamber 510 this moment, cross stern notch 112 on the still up to the water inlet through hole 121 of stop valve moving plate, stop valve is closed fully.Connect a plurality of outlet valves 46 or mixed water valve and can realize that central authorities supply water on mixed water pipe 464, wherein the cooling water inlet of each mixed water valve connects running water pipe.
Fig. 6 is the internal structure schematic diagram of another expander used among Fig. 3 embodiment.As can be seen from Fig. 6, expander is made up of lower casing 61, upper casing 64, diaphragm 63, and diaphragm 63 is sandwiched between upper casing 61 and the lower casing 64, constitutes the inner chamber 610 of expander between diaphragm 63 and the lower casing 61, constitute the air cavity 640 of sealing between diaphragm 63 and the upper casing 64, can filling compressed air in the air cavity 640; Controll block 67 is fixed on diaphragm 63 central authorities, and the diaphragm inboard also is provided with the baffle plate 62 of band through hole 621.Its essence is with the spring among the replacement of the air pressure in the air cavity 640 Fig. 4.
Claims (10)
1, a kind of storage water heater, comprise water tank, heating device, expander, outlet valve, overflow pipe, cold water pipe, hot-water line and water inlet pipe, wherein hot and cold water pipe communicates with water tank respectively, water inlet pipe communicates with running water pipe, the expansion wall that it is characterized in that described expander is connected with controll block, and the expander inner chamber communicates with described connecting leg; Be provided with inlet valve between described connecting leg and the water inlet pipe, be provided with by-pass valve control between connecting leg and the cold water pipe, be provided with the spilling water valve between cold water pipe and the overflow pipe; Described inlet valve, by-pass valve control, spilling water valve are controlled by switch block separately respectively, each switch block and the interlock of described controll block;
The connectivity scenario of outlet valve is chosen any one kind of them in following three kinds of modes:
The water inlet of mode one, outlet valve connects mixed water pipe, mixes to be provided with by hot-water line between water pipe and the described hot-water line to flow to the check valve that mixes water pipe, is provided with tapping pipe between described connecting leg and the mixed water pipe;
The water inlet of mode two, outlet valve connects described mixed water pipe, mixes between water pipe and the described hot-water line and is provided with hot-water valve, and the switch block of hot-water valve and the interlock of described controll block are provided with tapping pipe between described connecting leg and the mixed water pipe;
Mode three, outlet valve are to mix water valve, and the hot water inlet that mixes water valve connects described hot-water line, and the cooling water inlet that mixes water valve connects described connecting leg.
2, according to the described storage water heater of claim 1, it is characterized in that described controll block is provided with tooth bar, described each switch block be provided with controll block on the mutually meshing tooth of tooth bar.
3, according to the described storage water heater of claim 1, it is characterized in that described expander is made up of lower casing, upper casing, diaphragm, diaphragm is sandwiched between upper casing and the lower casing, constitutes the inner chamber of expander between diaphragm and the lower casing, constitutes the air cavity of sealing between diaphragm and the upper casing.
4, according to the described storage water heater of claim 1, it is characterized in that described heating device is that electricity causes device, described water tank is connected to pressure switch, and pressure switch is controlled the power supply of electric heating device, and the operating state of pressure switch disconnects the power supply of electric heating device.
5,, it is characterized in that the operating pressure of described pressure switch is arranged on 0.0001MPa between the 0.3MPa according to the described storage water heater of claim 4.
6, described storage water heater according to claim 5, the operating pressure that it is characterized in that described pressure switch is 0.0001MPa or 0.0002MPa or 0.0003MPa or 0.0004MPa or 0.0005MPa or 0.001MPa or 0.002MPa or 0.003MPa or 0.004MPa or 0.005MPa or 0.006MPa or 0.007MPa or 0.008MPa or 0.009MPa or 0.01MPa or 0.02MPa or 0.03MPa or 0.04MPa or 0.05MPa or 0.06MPa or 0.07MPa or 0.08MPa or 0.09MPa or 0.1MPa or 0.11MP or 0.12MPa or 0.13MPa or 0.14MPa or 0.15MPa or 0.16MPa or 0.17MPa or 0.18MPa or 0.19MPa or 0.2MPa or 0.21MP or 0.22MPa or 0.23MPa or 0.24MPa or 0.25MPa or 0.26MPa or 0.27MPa or 0.28MPa or 0.29MPa or 0.3MPa.
7, according to the described storage water heater of claim 4, it is characterized in that described pressure switch is made of shell, piston and position detecting device, be provided with the plunger shaft that matches with piston in the shell, be provided with sealing ring between piston and the plunger shaft, the plunger shaft front portion communicates with water tank, the rear portion communicates with atmosphere; The anterior rear portion downwards of plunger shaft makes progress or between piston rear side and shell spring is set; The position detecting device that detects piston position is by piston and be fixed on that travel switch on the shell constitutes or by being fixed on the tongue tube on the shell and being fixed on that magnetic grain on the piston constitutes or by piston be fixed on constituting or being made of piston and the infrared facility that detects piston position near switch on the shell.
8, according to the described storage water heater of claim 4, it is characterized in that described pressure switch is made of shell, gland, glued membrane and position detecting device, glued membrane is pressed between the pressure edge of outer cover port and gland, the expansion chamber that the glued membrane inboard constitutes between the shell inner cavity with it communicates with water tank, the glued membrane outside communicates with atmosphere, and glued membrane central authorities are fixed with support bar; Described position detecting device is by support bar and be fixed on that travel switch on the shell constitutes or by being fixed on the tongue tube on the shell and being fixed on that magnetic grain on the support bar constitutes or by support bar be fixed on constituting or being made of support bar and the infrared facility that detects post position near switch on the shell.
9,, it is characterized in that described inlet valve is a non-complete valve-off with open mode and crack state according to the described storage water heater of claim 1.
10,, it is characterized in that the afterbody of intake tunnel of the still of described inlet valve is provided with stern notch according to the described storage water heater of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610003877 CN1837702A (en) | 2005-03-27 | 2006-02-02 | Water-storing type water heater |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510033882.2 | 2005-03-27 | ||
| CN200510033882 | 2005-03-27 | ||
| CN 200610003877 CN1837702A (en) | 2005-03-27 | 2006-02-02 | Water-storing type water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1837702A true CN1837702A (en) | 2006-09-27 |
Family
ID=37015173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610003877 Pending CN1837702A (en) | 2005-03-27 | 2006-02-02 | Water-storing type water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1837702A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823229A (en) * | 2016-02-23 | 2016-08-03 | 湖州英科新能源股份有限公司 | Water-saving type solar water heater system |
-
2006
- 2006-02-02 CN CN 200610003877 patent/CN1837702A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823229A (en) * | 2016-02-23 | 2016-08-03 | 湖州英科新能源股份有限公司 | Water-saving type solar water heater system |
| CN105823229B (en) * | 2016-02-23 | 2017-11-17 | 浙江英科新能源有限公司 | A kind of water-saving type solar water heater system |
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