CN101153743A - Water-storage water heater - Google Patents
Water-storage water heater Download PDFInfo
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- CN101153743A CN101153743A CNA2006101226142A CN200610122614A CN101153743A CN 101153743 A CN101153743 A CN 101153743A CN A2006101226142 A CNA2006101226142 A CN A2006101226142A CN 200610122614 A CN200610122614 A CN 200610122614A CN 101153743 A CN101153743 A CN 101153743A
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Abstract
The present invention relates to a storage water heater with a simple structure, convenient use and long life, comprising a water tank, a pyretogenic element, a hot water pipe, a water outlet valve and a cold water pipe, wherein, a normally closed control valve or a hot water check valve is arranged between a water inlet of the water outlet valve and the hot water pipe; a normally closed water inlet valve is arranged between the cold water pipe and a tap water pipe; a normally opened overflow valve or an air supply check valve is arranged between an overflow pipe and the water tank; the present invention also comprises a water control expansion device between the tap water pipe and the water outlet valve; the water control expansion device comprises a valve body, a valve cover and a spring; the movements of the water inlet valve, the overflow valve and the control valve are controlled by an expansion wall arranged on the valve body or the valve cover; an expansion cavity enclosed among the valve body, the valve cover and the expansion wall is connected with the water inlet; a throttling orifices are arranged between the expansion cavity and the tap water pipe; the water tank is in closed type when the water heater is in use, and can be in a low water pressure state for a long time when the water heater is in a stand-by process.
Description
Technical field
The present invention relates to a kind of water heater, particularly a kind of storage water heater.
Background technology
In the existing closed storage water heater water system, comprise water tank, supply water with cold water pipe, safety valve, water outlet hot-water line and outlet valve, wherein cold water pipe connects water tank and is connected water tank and outlet valve with running water pipe, hot-water line, the hot water of water tank by the pyrogenicity element (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 heat-pump-type heating--the reverse work of refrigeration system absorbs heat energy, solar thermal collector from air) 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, and the water outlet hot-water line can join to realize that central authorities supply water 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 of safety valve setting is generally 0.7MPa, but when water heater heats, because of causing to press in the water tank to increase, the rising of water temperature opens pressure release up to safety valve, so, closed water heater's water tank in fact long-term work under the high pressure of 0.7MPa; Therefore, this closed water heater's water tank bears high temperature, high pressure for a long time, and water tank is thicker with material, cost height, metal water tank under the HTHP effect very easily by corrosion, thereby shortened its life-span.
Summary of the invention
To the objective of the invention is the water tank cost height, the short problem of life-span that exist in the existing closed storage water heater in order solving, and a kind of simple in structure, easy to use, storage water heater that the life-span is long to be provided.
Technical scheme:
First technical scheme that realizes the object of the invention is as follows:
A kind of storage water heater, comprise water tank, the pyrogenicity element, hot-water line, outlet valve and cold water pipe, wherein cold water pipe is supplied cold water to water tank, hot-water line is drawn hot water in water tank, the pyrogenicity element can be an electrothermal tube, electromagnetic field eddy-current heating body, microwave generator, the heat-pump-type heating, solar thermal collector, it is characterized in that the hot water check valve that is provided with normally closed control valve between the water inlet of outlet valve and the hot-water line or flows to the outlet valve direction by hot-water line, be provided with normally closed water intaking valve between cold water pipe and the running water pipe, be provided with the spilling water valve of often opening between overflow pipe and the water tank; Also comprise the water control expansion gear that is arranged between running water pipe and the outlet valve, the water control expansion gear comprises valve body, valve gap and spring, be arranged on expansion wall on valve body or the valve gap and control the action of described water intaking valve, spilling water valve and control valve, the expansion chamber that surrounds between described valve body, valve gap and the expansion wall and the water inlet of described outlet valve join, and are provided with throttle orifice between expansion chamber and the running water pipe.Described throttle orifice is less moisturizing hole, during use, open one of them outlet valve, the water of expansion chamber flows out through outlet valve in the water control expansion gear, because the water in the running water pipe can only be through the moisturizing in expansion chamber of less throttle orifice, so, drops in the expansion chamber, expansion wall moves inward and controls described normally closed water intaking valve and open (normally closed control valve is also opened), the spilling water valve of often opening cuts out, water heater enters closed user mode, most of water in the running water pipe is through water intaking valve, cold water pipe enters in the water tank hot water in the water tank is headed in the hot-water line, flows out through outlet valve through hot water check valve or normally closed control valve then again; When closing outlet valve, the hydraulic pressure in the expansion chamber rises, expansion wall outwards move and drive normally closed water intaking valve (normally closed control valve) and often open the spilling water valve reset, at this moment, water tank communicates with atmosphere by the spilling water valve, water tank enters the open type holding state.Described water control expansion gear is meant that expansion wall is subjected to the hydraulic pressure effect and outwards moves--expansion chamber expands.
Described storage water heater is characterized in that described water control expansion gear is provided with travel switch, and the action of the trip switch is controlled by described expansion wall, and described water intaking valve or spilling water valve or control valve are magnetic valve, and the power supply of each magnetic valve is controlled by the trip switch.
Described storage water heater, the expansion wall that it is characterized in that described water control expansion gear is a piston, the plunger shaft of this piston and described valve body or valve gap is slidingly matched.
Described storage water heater is characterized in that being provided with between described piston and valve body or the valve gap batch (-type) sealing ring.So-called batch (-type) sealing ring, be meant that piston moves to outermost or during near outermost position the sealing circle just between piston and valve body or valve gap, seal, and when piston slipped into a bit of position in expansion chamber after, the sealing circle i.e. free state between piston and valve body or valve gap and not sealing.
Described storage water heater, the expansion wall that it is characterized in that described water control expansion gear is a glued membrane.
Second technical scheme that realizes the object of the invention is as follows:
A kind of storage water heater, comprise water tank, the pyrogenicity element, hot-water line, outlet valve and cold water pipe, wherein cold water pipe is supplied cold water to water tank, hot-water line is drawn hot water in water tank, the pyrogenicity element can be an electrothermal tube, electromagnetic field eddy-current heating body, microwave generator, the heat-pump-type heating, solar thermal collector, it is characterized in that the hot water check valve that is provided with normally closed control valve between the water inlet of outlet valve and the hot-water line or flows to the outlet valve direction by hot-water line, be provided with normally closed water intaking valve between cold water pipe and the running water pipe, be provided with safety relief valve between overflow pipe and the tank top, be provided with the tonifying Qi check valve that flows in the water tank between water tank and the atmosphere; Also comprise the water control expansion gear that is arranged between running water pipe and the outlet valve, the water control expansion gear comprises valve body, valve gap and spring, be arranged on expansion wall on valve body or the valve gap and control the action of described water intaking valve and control valve, the expansion chamber that surrounds between described valve body, valve gap and the expansion wall and the water inlet of described outlet valve join, be provided with throttle orifice between expansion chamber and the running water pipe, can also be provided with the running water check valve on the passage of running water pipe.During use, open one of them outlet valve, the water of expansion chamber flows out through outlet valve in the water control expansion gear, because the water in the running water pipe can only be through the moisturizing in expansion chamber of less throttle orifice, so, drops in the expansion chamber, expansion wall moves inward and controls described normally closed water intaking valve and open (normally closed control valve is also opened), water heater enters closed user mode, water in the running water pipe enters in the water tank through water intaking valve, cold water pipe the hot water in the water tank is headed in the hot-water line, flows out through outlet valve through hot water check valve or normally closed control valve then again; When closing outlet valve, hydraulic pressure in the expansion chamber rises, expansion wall outwards moves and drives normally closed water intaking valve (normally closed control valve) and reset, at this moment, if the water tank water temperature is in uphill process and make and press liter in it, then the water in the water tank pushed up back running water pipe (can not establish the running water check valve on the running water pipe at this moment) or by the outside pressure release of safety relief valve so that the operating pressure of water tank be in a safe condition, in water temperature decline process, drops in the water tank, then water tank can only be by tonifying Qi check valve supplementary pressure because can not suck running water, its pressure and atmospheric pressure are maintained an equal level, avoid water tank to be in negative pressure state and make a large amount of evaporations of water and corrosion water tank in the water tank, water tank is equivalent to the open type holding state.Because water heater particularly far is shorter than temperature retention time the heat time heating time of electric heater, so can improve greatly the water tank life-span.The benefit that safety relief valve is arranged on tank top is that when the water temperature in the water tank rose for the second time, what safety relief valve discharged was inhaled air rather than water when last time, water temperature descended; If safety relief valve is arranged on water tank bottom, then the water temperature in the water tank may all be discharged the water in the water tank after the repeated multiple times lifting, and both waste water resource also may cause the dry combustion method of electric heater.
Described storage water heater is characterized in that described water control expansion gear is provided with travel switch, and the action of the trip switch is controlled by described expansion wall, and described water intaking valve or control valve are magnetic valve, and the power supply of each magnetic valve is controlled by the trip switch.
Described storage water heater, the expansion wall that it is characterized in that described water control expansion gear is a piston, the plunger shaft of this piston and described valve body or valve gap is slidingly matched.
Described storage water heater is characterized in that being provided with between described piston and valve body or the valve gap batch (-type) sealing ring.So-called batch (-type) sealing ring, be meant that piston moves to outermost or during near outermost position the sealing circle just between piston and valve body or valve gap, seal, and when piston slipped into a bit of position in expansion chamber after, the sealing circle i.e. free state between piston and valve body or valve gap and not sealing.
Described storage water heater, the expansion wall that it is characterized in that described water control expansion gear is a glued membrane.
Beneficial effect:
Owing to adopted technical solutions according to the invention, described storage water heater, when outlet valve is closed, water control expansion gear control water tank and running water pipe are obstructed, only when its water outlet, water tank just communicates with running water pipe, safety relief valve on the water tank can be set to the operating pressure much smaller than 0.7Mpa--for example can be set to 0.3Mpa, so, water tank becomes low pressure-bearing work by original high pressure-bearing, can reduce the withstand voltage standard of water tank, thereby reduces the water tank wall thickness and save cost and resource, water tank also is difficult for being corroded, and has prolonged the water tank life-span.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the pipeline catenation principle figure of an embodiment of storage water heater first technical scheme of the present invention.
Fig. 2 is the internal structure enlarged diagram of water control expansion gear among Fig. 1 embodiment.
Fig. 3 is the pipeline catenation principle figure of an embodiment of storage water heater second technical scheme of the present invention.
Fig. 4 is the cut-away view of the another kind of structure of water control expansion gear used among Fig. 1 or Fig. 2.
Description of symbols among the figure: 01, water tank, 08, safety relief valve, 010, cold water pipe, 06, water intaking valve, 02, running water pipe, 09, the water control expansion gear, 011, connecting leg, 04, outlet valve, 05, hot water check valve, 07, the spilling water valve, 071, overflow pipe, 03, hot-water line; 2, valve body, 21, water inlet, 22, throttle orifice, 10, expansion chamber, 3, piston, 32, afterbody, 4, spring, 31, the batch (-type) sealing ring, 1, valve gap, 11, delivery port; 001, running water check valve, 002, safety relief valve, 003, the tonifying Qi check valve, 072, overflow pipe; 100, valve gap, 200, expansion chamber, 30, slide block, 301, glued membrane, 302, afterbody, 40, spring.
The specific embodiment:
Embodiment one, sees shown in Figure 1ly, is the pipeline catenation principle figure of an embodiment of storage water heater of the present invention, belongs to first technical scheme.Comprise water tank 01, electrothermal tube (not drawing among the figure), hot-water line 03, outlet valve 04 and cold water pipe 010, the water inlet of four outlet valves 04 manages 011 in succession, be provided with the hot water check valve 05 that flows to connecting leg 011 direction by hot-water line 03 between connecting leg 011 and the hot-water line 03, be provided with normally closed water intaking valve 06 between cold water pipe 010 and the running water pipe 02, be provided with the spilling water valve of often opening 07 between overflow pipe 071 and the water tank 01, overflow pipe 071 is higher than the top of water tank 01 with the spilling water passage peak of hot-water line 03, spilling water valve 07 formation, also is connected to safety relief valve 08 on cold water pipe 010; The water control expansion gear that is connected between connecting leg 011 and the running water pipe 02 is seen shown in Figure 2, comprise valve body 2, valve gap 1 and be arranged on valve gap bottom and piston 3 between spring 4, match as the piston 3 of expansion wall and the plunger shaft slip of valve gap 1, and between piston 3 and valve gap 1 inboard, be provided with batch (-type) sealing ring 31, piston 3 stretches out the normally closed water intaking valve 06 of the outer afterbody of valve gap 32 controls, the action of the spilling water valve of often opening 07, expansion chamber 10 is by the connecting leg 011 of delivery port 11 map interlinkings 1, thereby the expansion chamber 10 and the water inlet of outlet valve 04 are joined, expansion chamber 10 is provided with some throttle orifices 22 by the running water pipe 02 of water inlet 21 map interlinkings 1 between water inlet 21 and expansion chamber 10.During use, as long as open any outlet valve 04 among Fig. 1, then among Fig. 2 the water in the expansion chamber 10 through delivery port 11, the connecting leg 011 of flow graph 1 is after outlet valve 04 outflow, water in the running water pipe 02 can only be in Fig. 2 water saving holes 22 moisturizing at a slow speed in expansion chamber 10, and the new water of going into of mending is flowed out by outlet valve fast in expansion chamber, so, drops in the expansion chamber 10, piston 3 is moved to the left (be clipped in this moment batch (-type) sealing ring 31 between inner head of piston and the valve gap inboard be free between piston crown and the valve gap and do not seal), thereby the normally closed water intaking valve 06 among drive Fig. 1 is opened, the spilling water valve of often opening 07 cuts out, at this moment, as long as through hot-water line 03, the water that hot water check valve 05 flows into connecting leg 011 flows out through outlet valve fast, can be and can not flow into water control expansion gear (make and press liter in the expansion chamber) so that water heater enters closed user mode, water in the running water pipe 02 among Fig. 1 is through water intaking valve 06, cold water pipe 010 enters in the water tank 01 hot water in the water tank is headed in the hot-water line 03, then through hot water check valve 05, connecting leg 011 flows out after flowing into the outlet valve of opening 04 again; When closing outlet valve 04, hydraulic pressure among Fig. 2 in the expansion chamber 10 rises, piston 3 resets to the right and drives the normally closed water intaking valve 06 of Fig. 1 and the spilling water valve 07 of Chang Kai resets to state shown in Figure 2, at this moment, batch (-type) sealing ring 31 is clamped at once more between the head of piston 3 and the valve gap inboard and seals, 01 in water tank communicates with atmosphere by spilling water valve 07, and water tank enters the open type holding state.
If fix the travel switch that an action is subjected to 32 controls of piston 3 afterbodys at valve gap 1 right-hand member of Fig. 2, then normally closed water intaking valve or the spilling water valve of often opening can change magnetic valve into, but the power supply of this magnetic valve should be controlled by the trip switch.This is that those skilled in the art are all attainable on basis of the present invention, is not going to repeat.
See shown in Figure 4, piston among Fig. 2 also can replace with slide block 30 and glued membrane 301, the outer rim of glued membrane 301 is clamped between valve body 2 and the valve gap 100, the afterbody 302 of slide block 301 is used for the normally closed water intaking valve 06 of control chart 1 and the spilling water valve 07 of Chang Kai, press in the expansion chamber 200 and when increasing slide block 301 is pushed up to the right and the normally closed water intaking valve 06 of control chart 1 and the spilling water valve 07 of Chang Kai reset, in the expansion chamber during drops, slide block 301 is moved to the left under spring 40 effects and normally closed water intaking valve 06 is opened, the spilling water valve of often opening 07 cuts out, and its course of work and Fig. 2's is similar.
Embodiment two, see Fig. 3, belong to second technical scheme, described storage water heater comprises water tank 01, electrothermal tube (not drawing among the figure), hot-water line 03, outlet valve 04 and cold water pipe 010, the difference of present embodiment and Fig. 1 embodiment is: one, deleted the spilling water valve of often opening 071 among Fig. 1, two, running water check valve 001 is set on the running water pipe passage, three, between water tank 01 top and atmosphere, tonifying Qi check valve 003 is set, wherein the effect of the safety relief valve 08 among the safety relief valve among Fig. 4 002 and Fig. 1 is identical, and the safety relief valve among Fig. 4 002 also can be arranged on safety relief valve shown in Figure 1 08 residing position.And also use Fig. 2 or water control expansion gear shown in Figure 3 among Fig. 4; following structure is closed Fig. 4 its principle is described further; after opening one of them outlet valve 04; the water of expansion chamber flows out (this moment, the course of action and the principle of piston were seen referring to embodiment one) through outlet valve 04 in the water control expansion gear among Fig. 2; normally closed water intaking valve 06 is opened; water heater enters user mode; most of water in the running water pipe 02 is through running water check valve 001; cold water pipe 010 enters water tank 01; hot water in the water tank is headed into hot-water line 03; flow through hot water check valve 05 then and enter connecting leg 011 04 outflow of the outlet valve through opening again; if this moment, tank pressure surpassed the operating pressure of safety relief valve 002; then safety relief valve open and through overflow pipe 072 outside spilling water with the protection water tank; after closing all outlet valves; the water control expansion gear makes normally closed water intaking valve reset to closed condition; water heater enters holding state; at this moment; if the water tank water temperature rises; then safety relief valve 002 outwards sluices through overflow pipe 072; and the water tank water temperature is when descending; because in the water tank is negative pressure; then the air in the atmosphere enters water tank inner equilibrium tank pressure through tonifying Qi check valve 003, and is too big and cause damage to water tank to avoid the water tank negative pressure.
Claims (10)
1. storage water heater, comprise water tank, pyrogenicity element, hot-water line, outlet valve and cold water pipe, it is characterized in that the hot water check valve that is provided with normally closed control valve between the water inlet of outlet valve and the hot-water line or flows to the outlet valve direction by hot-water line, be provided with normally closed water intaking valve between cold water pipe and the running water pipe, be provided with the spilling water valve of often opening between overflow pipe and the water tank; Also comprise the water control expansion gear that is arranged between running water pipe and the outlet valve, the water control expansion gear comprises valve body, valve gap and spring, be arranged on expansion wall on valve body or the valve gap and control the action of described water intaking valve, spilling water valve and control valve, the expansion chamber that surrounds between described valve body, valve gap and the expansion wall and the water inlet of described outlet valve join, and are provided with throttle orifice between expansion chamber and the running water pipe.
2. according to the described storage water heater of claim 1, it is characterized in that described water control expansion gear is provided with travel switch, the action of the trip switch is controlled by described expansion wall, and described water intaking valve or spilling water valve or control valve are magnetic valve, and the power supply of each magnetic valve is controlled by the trip switch.
3. according to the described storage water heater of claim 1, the expansion wall that it is characterized in that described water control expansion gear is a piston, and the plunger shaft of this piston and described valve body or valve gap is slidingly matched.
4. according to the described storage water heater of claim 3, it is characterized in that being provided with between described piston and valve body or the valve gap batch (-type) sealing ring.
5. according to the described storage water heater of claim 1, the expansion wall that it is characterized in that described water control expansion gear is a glued membrane.
6. storage water heater, comprise water tank, pyrogenicity element, hot-water line, outlet valve and cold water pipe, it is characterized in that the hot water check valve that is provided with normally closed control valve between the water inlet of outlet valve and the hot-water line or flows to the outlet valve direction by hot-water line, be provided with normally closed water intaking valve between cold water pipe and the running water pipe, be provided with safety relief valve between overflow pipe and the tank top, be provided with the tonifying Qi check valve that flows in the water tank between water tank and the atmosphere; Also comprise the water control expansion gear that is arranged between running water pipe and the outlet valve, the water control expansion gear comprises valve body, valve gap and spring, be arranged on expansion wall on valve body or the valve gap and control the action of described water intaking valve and control valve, the expansion chamber that surrounds between described valve body, valve gap and the expansion wall and the water inlet of described outlet valve join, and are provided with throttle orifice between expansion chamber and the running water pipe.
7. according to the described storage water heater of claim 6, it is characterized in that described water control expansion gear is provided with travel switch, the action of the trip switch is controlled by described expansion wall, and described water intaking valve or control valve are magnetic valve, and the power supply of each magnetic valve is controlled by the trip switch.
8. according to the described storage water heater of claim 6, the expansion wall that it is characterized in that described water control expansion gear is a piston, and the plunger shaft of this piston and described valve body or valve gap is slidingly matched.
9. described according to Claim 8 storage water heater is characterized in that being provided with between described piston and valve body or the valve gap batch (-type) sealing ring.
10. according to the described storage water heater of claim 6, the expansion wall that it is characterized in that described water control expansion gear is a glued membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101226142A CN101153743A (en) | 2006-09-27 | 2006-09-27 | Water-storage water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101226142A CN101153743A (en) | 2006-09-27 | 2006-09-27 | Water-storage water heater |
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| Publication Number | Publication Date |
|---|---|
| CN101153743A true CN101153743A (en) | 2008-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101226142A Pending CN101153743A (en) | 2006-09-27 | 2006-09-27 | Water-storage water heater |
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| CN (1) | CN101153743A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238300A (en) * | 2017-07-11 | 2017-10-10 | 北京凌顶科技有限公司 | Intelligent temperature adjusting means and shower system |
| CN112728758A (en) * | 2021-01-27 | 2021-04-30 | 胡兰 | Electric water heater capable of recycling early-stage cold water |
| CN114383319A (en) * | 2022-01-19 | 2022-04-22 | 浙江管一管管业有限公司 | Energy storage recovery type heat preservation device and hot water liquid outlet system |
-
2006
- 2006-09-27 CN CNA2006101226142A patent/CN101153743A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238300A (en) * | 2017-07-11 | 2017-10-10 | 北京凌顶科技有限公司 | Intelligent temperature adjusting means and shower system |
| CN107238300B (en) * | 2017-07-11 | 2023-03-31 | 北京凌顶科技有限公司 | Intelligent temperature adjusting device and shower system |
| CN112728758A (en) * | 2021-01-27 | 2021-04-30 | 胡兰 | Electric water heater capable of recycling early-stage cold water |
| CN114383319A (en) * | 2022-01-19 | 2022-04-22 | 浙江管一管管业有限公司 | Energy storage recovery type heat preservation device and hot water liquid outlet system |
| CN114383319B (en) * | 2022-01-19 | 2023-03-21 | 浙江管一管管业有限公司 | Energy storage recovery type heat preservation device and hot water liquid outlet system |
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Application publication date: 20080402 |