CN102242974A - Instant heating type electric water heater and hydraulic start device thereof - Google Patents
Instant heating type electric water heater and hydraulic start device thereof Download PDFInfo
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- CN102242974A CN102242974A CN2011101905572A CN201110190557A CN102242974A CN 102242974 A CN102242974 A CN 102242974A CN 2011101905572 A CN2011101905572 A CN 2011101905572A CN 201110190557 A CN201110190557 A CN 201110190557A CN 102242974 A CN102242974 A CN 102242974A
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Abstract
The invention discloses an instant heating type electric water heater and a hydraulic start device thereof. The electric water heater comprises a shell 1, a hydraulic start device 2, a pressure relief valve 3, an electric heating body 4, an electric leakage preventing net 5, a grounding electrode 6, an installation partition plate 7, a temperature control switch 8, a seal ring 9 and a gear switch 10, wherein the hydraulic start device 2 comprises a big hole pipe 21, an elastic diaphragm 22, an elastic diaphragm gland 23 and a small hole pipe shaft 24; the small hole pipe shaft 24 vertically penetrates through the center of the elastic diaphragm 22 and is fixedly connected with the elastic diaphragm 22; the small hole pipe shaft 24 is perpendicular to the installation partition plate 7; the lower end of the small hole pipe shaft 24 is provided with a sealed blind hole, and more than two small water flowing side holes are arranged on the side wall. The hydraulic start device disclosed by the invention not only can be installed in the front of a water inlet of a water valve for use but also can be installed behind a water outlet of the water valve; and the electric water heater of the hydraulic start device has the advantages of reasonable arrangement, simple structure, good assembly and maintainability, water and electricity separation, safety, reliability and long service life.
Description
Technical field
The present invention relates to a kind of instant electric water heater's hydraulic pressure starting drive and electric heater thereof, belong to the quick-heating type electric water heater technical field.
Background technology
The advantage of quick-heating type electric water heater is exactly water flowing energising, cut the supply of water and electricity, and what realize this function is exactly the hydraulic pressure starting drive.The hydraulic pressure starting drive of existing most instant electric water heaters and electric hot water tap is just installed a hydraulic pressure switch, hydraulic pressure switch bears tap water pressure by single face and comes conducting, if hydraulic pressure switch is installed in water valve water inlet front, after water valve cuts out, hydraulic pressure switch still bears hydraulic pressure, and the pressure that bears is bigger, can't realize the function of cutting the supply of water and electricity, so the heating part of existing most instant electric water heaters and electric hot water tap can only be installed in water valve delivery port back, after water valve cuts out like this, do not have water to flow out, hydraulic pressure switch does not just bear hydraulic pressure yet, automatic disconnection.
Also just because of this, for easy for installation, attractive in appearance and easy to use, existing instant electric tap all is that tap and electric heater are become one, and during installation, needs former mounted tap is removed, and causes unnecessary waste; And at cold district, when electric hot water tap does not use, because of the surplus water in its water heating chamber and the water in the tap water supply system cut off, the easy freezing and expansion of surplus water, cause the heating chamber deformed damaged, can explode under the serious situation, Product Safety and service life reduce greatly.
Existingly can be installed in the hydraulic pressure starting drive that the water valve water inlet uses previously and have following three kinds: pressure reduction disc type, gravity type and vane type also have the only a few quick-heating type electric water heater that these hydraulic pressure starting drives are installed.
As shown below, to be water enter from the middle part of pressure differential disc high pressure chest existing pressure reduction disc type hydraulic pressure starting drive, after the water (flow) direction folding turnback, flow out from upper hole, flow to Venturi tube then, on the aditus laryngis of Venturi tube, have a pressure port and communicate with the low-pressure cavity of pressure differential disc by the pressure pipe, because Venturi tube aditus laryngis place sectional area minimum, according to bernoulli principle, current quicken herein, pressure descends, and the pressure that makes pressure differential disc right side high pressure chest is apparently higher than the left side low-pressure cavity, so push rod drives microswitch work, when closing water valve, because water does not flow, the pressure of pressure differential disc both sides is identical, and microswitch cuts out under the effect of the reset force of push rod.This apparatus structure complexity, volume are big.
When the operation principle of existing gravity type hydraulic pressure starting drive is anhydrous, magnetic patch falls down under the gravity effect and drops on the bottom surface, this moment, magnetic patch was away from sensor, the not conducting of magnetic switch sensor, under the situation that has water to flow, up flowing water flow produces a climbing power to magnetic patch, when climbing power greater than magnetic patch weight then magnetic patch be lifted, this moment, magnetic patch made sensor conducts near sensor.Gravity type hydraulic pressure starting drive divides piston type and two kinds of structures of turnover plate type, and is as shown below.Piston type is subjected to the influence of impurity in the water the stuck phenomenon that causes anhydrous dry combustion method to occur easily, and the deficiency of turnover plate type is that pendulum angle is too big.
Vane type hydraulic pressure starting drive is out-of-date as current, and impeller is equipped with little magnetic control just by red switch on each blade, and magnetic patch is the Hall element conducting when the Hall element, and Hall element disconnects when leaving.Can measure water velocity according to the umber of pulse that Hall element produces, judge according to water velocity whether machine is worked and should be exported much power.This kind device also is divided into two kinds, and a kind of is axial type, and a kind of is tangential, as shown below.Axial type is detained impurity easily between support and impeller shaft, influence the rotation of impeller.
Summary of the invention
At above-mentioned defective, the technical problem that the present invention solves is, a kind of instant electric water heater's hydraulic pressure starting drive and electric heater thereof are provided, this hydraulic pressure starting drive used before both can being installed in the water valve water inlet, use after also can being installed in the water valve delivery port, and the electric heater that this hydraulic pressure starting drive is housed has rationally distributed, simple in structure, assembling and maintenanceability is good, the advantage of electricity separation, safe and reliable, long service life.This instant electric water heater need not remove the mounted tap in tame Central Plains, and both are in conjunction with the function that can realize the instant electric tap.
A kind of instant electric water heater's hydraulic pressure starting drive provided by the present invention and electric heater thereof comprise housing (1), hydraulic pressure starting drive (2), relief valve (3), electric heating body (4), leakproof electrical network (5), earth electrode (6), dividing plate (7), temperature detect switch (TDS) (8), sealing ring (9), driving switch (10), power line (11), burner on light (12), bottom (13) are installed.Wherein hydraulic pressure starting drive (2) includes macropore pipe (21), elastic diaphragm (22), elastic diaphragm gland (23) and aperture tubular axis (24), and aperture tubular axis (24) vertically passes elastic diaphragm (22) center and fixedlys connected with elastic diaphragm (22); Aperture tubular axis (24) is perpendicular to dividing plate (7) is installed; The lower end of aperture tubular axis (24) is the blind hole of sealing, and the water in its aperture of flowing through is injected in the water heating chamber by the plural little other hole of opening on aperture tubular axis (24) sidewall; Elastic diaphragm (22) is made of rubber, sheet metal or other elastomeric material, and it is bowl-shape to be spill; Macropore pipe (21) differs greatly with the aquaporin sectional area of crossing of aperture tubular axis (24), when water flows, between elastic diaphragm (22) upper and lower surface, will produce very big differential water pressures, elastic diaphragm (22) and aperture tubular axis (24) just move down, when water is static, the hydraulic pressure of elastic diaphragm (22) upper and lower surface equates that under the reset force effect of elastic diaphragm (22), elastic diaphragm (22) and aperture tubular axis (24) move upward and reset.
Preferably, power on/off switch in the hydraulic pressure starting drive (2) is a magnetic switch, promptly be pressed with permanent magnet (25) in the lower end of aperture tubular axis (24), the electric installation room below dividing plate (7) is installed is equipped with magnetic switch sensor (26), magnetic switch control system (27); Magnetic switch sensor (26) is a Hall element, abut in dividing plate (7) lower surface is installed, and be positioned at permanent magnet (25) under; Aperture tubular axis (24) moves up and down with the differential water pressures variation of elastic diaphragm (22) upper and lower surface, and permanent magnet just leaves or near magnetic switch sensor (26), magnetic switch disconnected or conducting.
Alternatively, power on/off switch in the hydraulic pressure starting drive (2) is head-shaking switch or slide switch (210), the upper end of push rod this moment (29) is vertically passed dividing plate (7) is installed, aperture tubular axis (24) is pressed on the push rod (29), push rod (29) and the sealing of installing between dividing plate (7) realize that by sealing ring (28) sealing ring (28) is used radial direction seal ring for sliding; Head-shaking switch or slide switch (210) are installed in the next door of push rod (29), and the handle of head-shaking switch or slide switch (210) stretches in the shift fork hole of push rod (29), push rod (29) moves up and down under the effect of aperture tubular axis (24) and back-moving spring (211), just the handle of stirring head-shaking switch or slide switch (210) swings up and down or slides, head-shaking switch or slide switch are disconnected or conducting, and the shift fork distance between borehole of push rod (29) is bigger, the handle of head-shaking switch or slide switch (210) is crossed at ON-OFF left gap more than needed in grade process, handle can not be contacted simultaneously with the last lower wall in push rod (29) shift fork hole, and gap more than needed is head-shaking switch or slide switch (210) half of handle swing or sliding stroke when crossing shelves.
Alternatively, power on/off switch in the hydraulic pressure starting drive (2) is push switch (213), the upper end of push rod this moment (29) is vertically passed dividing plate (7) is installed, aperture tubular axis (24) is pressed on the push rod (29), push rod (29) and the sealing of installing between dividing plate (7) realize that by sealing ring (28) sealing ring (28) is used radial direction seal ring for sliding; Push switch (213) be installed in push rod (29) under, push rod (29) moves up and down under the effect of back-moving spring (211) or button reset force and aperture tubular axis (24), push switch (213) just or disconnection or conducting.
Preferably, relief valve (3) is installed on the macropore pipe (21), and when mistake aquaporin excessive when hydraulic pressure or aperture tubular axis (24) stopped up, relief valve was opened.
Preferably, described housing (1) is made with resistant to elevated temperatures duroplasts, comprise side water inlet and upper water-out mouth, housing (1) is separated into the electric installation room of upper water heating chamber and anhydrous bottom by installation dividing plate (7) and the sealing ring (9) installed within it in vertical direction, sealing ring (9) is a radial direction seal ring, dividing plate (7) is installed is made by stainless steel, copper or other electrical and thermal conductivity performance good metal material that is difficult for getting rusty.
Preferably, electric heating body (4) quantity be two and more than, quantity by driving switch (10) or multi-shift function realize that the gear of electric heater power regulates.
Preferably, at housing (1) delivery port front end leakproof electrical network (5) is housed, leakproof electrical network (5) is made by copper, the stainless steel that is difficult for corrosion, very small pores that electric conductivity is good or other material mesh grid, leakproof electrical network (5) is connected with earth electrode (6), and the material of earth electrode (6) is to be difficult for corrosion, copper or stainless steel that electric conductivity is good.
Preferably, temperature detect switch (TDS) (8) is fixed on the installation dividing plate (7) of metal material, and is too high when water temperature, and when reaching the setting break-off signal of temperature detect switch (TDS) (8), temperature detect switch (TDS) (8) disconnects rapidly, and electric heater quits work.
Instant electric water heater's hydraulic pressure starting drive disclosed in this invention and existing various pressure reduction disc types, gravity type are all different with vane type hydraulic pressure starting drive, creative, and have simple in structure, volume is little, start the advantage that hydraulic pressure is little, thrust is big, reliability is high; Be equipped with that this hydraulic pressure starting drive electric heater has rationally distributed, simple in structure, assembling and maintenanceability is good, the advantage of electricity separation, safe and reliable, long service life.
Description of drawings:
Fig. 1 is existing pressure reduction disc type hydraulic pressure starting drive schematic diagram;
Fig. 2 is existing gravity type hydraulic pressure starting drive schematic diagram;
Fig. 3 is existing vane type hydraulic pressure starting drive schematic diagram;
Fig. 4 is magnetic switch formula instant electric water heater hydraulic pressure starting drive provided by the present invention and electric heater overall construction drawing thereof;
Fig. 5 is head-shaking switch provided by the present invention or slide switch formula instant electric water heater hydraulic pressure starting drive and electric heater overall construction drawing thereof;
Fig. 6 is push switch formula instant electric water heater hydraulic pressure starting drive provided by the present invention and electric heater overall construction drawing thereof;
Fig. 7 is instant electric water heater's hydraulic pressure starting drive provided by the present invention and electric heater control circuit figure thereof;
The 1-housing, 2-hydraulic pressure starting drive, the 3-relief valve, the 4-electric heating body, 5-leakproof electrical network, the 6-earth electrode, 7-installs dividing plate, the 8-temperature detect switch (TDS), the 9-sealing ring, the 10-driving switch, the 11-power line, the 12-burner on light, the 13-bottom, 21-macropore pipe, the 22-elastic diaphragm, 23-elastic diaphragm gland, 24-aperture tubular axis, the 25-permanent magnet, 26-magnetic switch sensor, 27-magnetic switch control system, the 28-sealing ring, the 29-push rod, 210-head-shaking switch or slide switch, the 211-back-moving spring, 212-back-moving spring base, the 213-push switch.
The specific embodiment
Design philosophy of the present invention is at the deficiency that has hydraulic pressure starting drive and instant electric water heater, electric hot water tap now, a kind of novel hydraulic pressure starting drive and electric heater thereof are provided, be installed in before the water valve water inlet and behind the water valve delivery port and all can use, can utilize tame Central Plains to install tap, have simple in structure, volume is little, rationally distributed, assembling and maintenanceability is good, the advantage of electricity separation, safe and reliable, long service life.
Specify present embodiment below in conjunction with Figure of description.
See also Fig. 4, this figure is magnetic switch formula instant electric water heater hydraulic pressure starting drive provided by the present invention and electric heater overall construction drawing thereof.
As shown in Figure 4, magnetic switch formula instant electric water heater hydraulic pressure starting drive that this embodiment provided and electric heater thereof comprise housing (1), hydraulic pressure starting drive (2), relief valve (3), electric heating body (4), leakproof electrical network (5), earth electrode (6), dividing plate (7), temperature detect switch (TDS) (8), sealing ring (9), driving switch (10), power line (11), burner on light (12), bottom (13) are installed.Wherein said hydraulic pressure starting drive (2) includes macropore pipe (21), elastic diaphragm (22), elastic diaphragm gland (23), aperture tubular axis (24), permanent magnet (25), magnetic switch sensor (26) and magnetic switch control system (27); Aperture tubular axis (24) vertically passes elastic diaphragm (22) center and fixedlys connected with elastic diaphragm (22); Aperture tubular axis (24) is perpendicular to dividing plate (7) is installed; The lower end of aperture tubular axis (24) is the blind hole of sealing, and the water in its aperture of flowing through is injected in the water heating chamber by the plural little other hole of opening on aperture tubular axis (24) sidewall; Elastic diaphragm (22) is made of rubber, sheet metal or other elastomeric material, and it is bowl-shape to be spill; Macropore pipe (21) differs greatly with the aquaporin sectional area of crossing of aperture tubular axis (24), when water flows, according to bernoulli principle, between elastic diaphragm (22) upper and lower surface, will produce very big differential water pressures, elastic diaphragm (22) and aperture tubular axis (24) just move down, and when water was static, the hydraulic pressure of elastic diaphragm (22) upper and lower surface equated, under the reset force effect of elastic diaphragm (22), elastic diaphragm (22) and aperture tubular axis (24) move upward and reset.Permanent magnet (25) is fitted in the lower end of aperture tubular axis (24), and the electric installation room below dividing plate (7) is installed is equipped with magnetic switch sensor (26), magnetic switch control system (27); Magnetic switch sensor (26) is a Hall element, abut in dividing plate (7) lower surface is installed, and be positioned at permanent magnet (25) under; Aperture tubular axis (24) moves up and down with the differential water pressures variation of elastic diaphragm (22) upper and lower surface, and permanent magnet just leaves or near magnetic switch sensor (26), magnetic switch disconnected or conducting.
The making material of macropore pipe (21) identical with housing (1) (as the PPR plastics) sticks with glue agent and is fixed in the water inlet; Elastic diaphragm (22) is pressed on the end face of macropore pipe (21) by threaded elastic diaphragm gland (23).
Relief valve (3) is installed on the macropore pipe (21), and when mistake aquaporin excessive when hydraulic pressure or aperture tubular axis (24) stopped up, relief valve was opened, and can prevent that electric heater from producing dry combustion method.
Described housing (1) is made with resistant to elevated temperatures duroplasts, comprise side water inlet and upper water-out mouth, housing (1) is separated into the electric installation room of upper water heating chamber and anhydrous bottom by installation dividing plate (7) and the sealing ring (9) installed within it in vertical direction, sealing ring (9) is a radial direction seal ring, dividing plate (7) is installed is made by stainless steel, copper or other electrical and thermal conductivity performance good metal material that is difficult for getting rusty.
Electric heating body (4) quantity be two and more than, regulate by the gear that the quantity or the multi-shift function of driving switch (10) are realized electric heater power, electric heating body (4) can be a resistance heating tube, also can be ceramic heating flake, carborundum heating plate, PTC heating plate etc.
Leakproof electrical network (5) is installed in housing (1) delivery port front end, make by copper, the stainless steel that is difficult for corrosion, very small pores that electric conductivity is good or other material mesh grid, leakproof electrical network (5) firmly is connected with earth electrode (6), and the material of earth electrode (6) is to be difficult for corrosion, copper or stainless steel that electric conductivity is good.
Temperature detect switch (TDS) (8) is fixed on the installation dividing plate (7) of metal material, when water temperature was too high, thermal conductivity good metal material was installed dividing plate and can be heated up rapidly, when reaching the setting break-off signal of temperature detect switch (TDS) (8), temperature detect switch (TDS) (8) disconnects rapidly, and electric heater quits work.
Shown in Figure 5 is head-shaking switch provided by the present invention or slide switch formula instant electric water heater hydraulic pressure starting drive and electric heater embodiment thereof, different being of this embodiment and top described magnetic switch formula embodiment:
Power on/off switch in the hydraulic pressure starting drive (2) is head-shaking switch or slide switch (210), the upper end of push rod this moment (29) is vertically passed dividing plate (7) is installed, aperture tubular axis (24) is pressed on the push rod (29), push rod (29) and the sealing of installing between dividing plate (7) realize that by sealing ring (28) sealing ring (28) is used radial direction seal ring for sliding; Head-shaking switch or slide switch (210) are installed in the next door of push rod (29), and the handle of head-shaking switch or slide switch (210) stretches in the shift fork hole of push rod (29), push rod (29) moves up and down under the effect of aperture tubular axis (24) and back-moving spring (211), just the handle of stirring head-shaking switch or slide switch (210) swings up and down or slides, head-shaking switch or slide switch are disconnected or conducting, and the shift fork distance between borehole of push rod (29) is bigger, the handle of head-shaking switch or slide switch (210) is crossed at ON-OFF left gap more than needed in grade process, handle can not be contacted simultaneously with the last lower wall in push rod (29) shift fork hole, and gap more than needed is head-shaking switch or slide switch (210) half of handle swing or sliding stroke when crossing shelves.
Shown in Figure 6 is push switch formula instant electric water heater hydraulic pressure starting drive provided by the present invention and electric heater embodiment thereof, different being of this embodiment and top described magnetic switch formula embodiment:
Power on/off switch in the hydraulic pressure starting drive (2) is push switch (213), the upper end of push rod this moment (29) is vertically passed dividing plate (7) is installed, aperture tubular axis (24) is pressed on the push rod (29), push rod (29) and the sealing of installing between dividing plate (7) realize that by sealing ring (28) sealing ring (28) is used radial direction seal ring for sliding; Push switch (213) be installed in push rod (29) under, push rod (29) moves up and down under the effect of back-moving spring (211) or button reset force and aperture tubular axis (24), push switch (213) just or disconnection or conducting.
Shown in Figure 7 is the control circuit embodiment of instant electric water heater's hydraulic pressure starting drive provided by the present invention and electric heater thereof, and temperature detect switch (TDS) (8) is to be connected on the main line of control circuit.
The concrete know-why of electric heating body (4), magnetic switch sensor (26) (Hall element), magnetic switch control system (27), head-shaking switch or slide switch (210), push switch (213), driving switch (10), temperature detect switch (TDS) (8), relief valve (3) and structure and prior art are roughly the same, and this embodiment does not elaborate its structure.
Claims (9)
1. instant electric water heater's hydraulic pressure starting drive and electric heater thereof, comprise housing (1), hydraulic pressure starting drive (2), relief valve (3), electric heating body (4), leakproof electrical network (5), earth electrode (6), dividing plate (7) is installed, temperature detect switch (TDS) (8), sealing ring (9), driving switch (10), power line (11), burner on light (12), bottom (13), it is characterized in that: hydraulic pressure starting drive (2) includes macropore pipe (21), elastic diaphragm (22), elastic diaphragm gland (23) and aperture tubular axis (24), aperture tubular axis (24) vertically pass elastic diaphragm (22) center and fixedly connected with elastic diaphragm (22); Aperture tubular axis (24) is perpendicular to dividing plate (7) is installed; The lower end of aperture tubular axis (24) is the blind hole of sealing, and the water in its aperture of flowing through is injected in the water heating chamber by the plural little other hole of opening on aperture tubular axis (24) sidewall; Elastic diaphragm (22) is made of rubber, sheet metal or other elastomeric material, and it is bowl-shape to be spill; Macropore pipe (21) differs greatly with the aquaporin sectional area of crossing of aperture tubular axis (24), when water flows, between elastic diaphragm (22) upper and lower surface, will produce very big differential water pressures, elastic diaphragm (22) and aperture tubular axis (24) just move down, when water is static, the hydraulic pressure of elastic diaphragm (22) upper and lower surface equates that under the reset force effect of elastic diaphragm (22), elastic diaphragm (22) and aperture tubular axis (24) move upward and reset.
2. instant electric water heater's hydraulic pressure starting drive according to claim 1 and electric heater thereof, it is characterized in that: the power on/off switch in the hydraulic pressure starting drive (2) is a magnetic switch, promptly be pressed with permanent magnet (25) in the lower end of aperture tubular axis (24), the electric installation room below dividing plate (7) is installed is equipped with magnetic switch sensor (26), magnetic switch control system (27); Magnetic switch sensor (26) is a Hall element, abut in dividing plate (7) lower surface is installed, and be positioned at permanent magnet (25) under; Aperture tubular axis (24) moves up and down with the differential water pressures variation of elastic diaphragm (22) upper and lower surface, and permanent magnet just leaves or near magnetic switch sensor (26), magnetic switch disconnected or conducting.
3. instant electric water heater's hydraulic pressure starting drive according to claim 1 and electric heater thereof, it is characterized in that: the power on/off switch in the hydraulic pressure starting drive (2) is head-shaking switch or slide switch (210), the upper end of push rod this moment (29) is vertically passed dividing plate (7) is installed, aperture tubular axis (24) is pressed on the push rod (29), push rod (29) and the sealing of installing between dividing plate (7) realize that by sealing ring (28) sealing ring (28) is used radial direction seal ring for sliding; Head-shaking switch or slide switch (210) are installed in the next door of push rod (29), and the handle of head-shaking switch or slide switch (210) stretches in the shift fork hole of push rod (29), push rod (29) moves up and down under the effect of aperture tubular axis (24) and back-moving spring (211), just the handle of stirring head-shaking switch or slide switch (210) swings up and down or slides, head-shaking switch or slide switch are disconnected or conducting, and the shift fork distance between borehole of push rod (29) is bigger, the handle of head-shaking switch or slide switch (210) is crossed at ON-OFF left gap more than needed in grade process, handle can not be contacted simultaneously with the last lower wall in push rod (29) shift fork hole, and gap more than needed is head-shaking switch or slide switch (210) half of handle swing or sliding stroke when crossing shelves.
4. instant electric water heater's hydraulic pressure starting drive according to claim 1 and electric heater thereof, it is characterized in that: the power on/off switch in the hydraulic pressure starting drive (2) is push switch (213), the upper end of push rod this moment (29) is vertically passed dividing plate (7) is installed, aperture tubular axis (24) is pressed on the push rod (29), push rod (29) and the sealing of installing between dividing plate (7) realize that by sealing ring (28) sealing ring (28) is used radial direction seal ring for sliding; Push switch (213) be installed in push rod (29) under, push rod (29) moves up and down under the effect of back-moving spring (211) or button reset force and aperture tubular axis (24), push switch (213) just or disconnection or conducting.
5. according to claim 1 to 4 each described instant electric water heater's hydraulic pressure starting drive and electric heater thereof, it is characterized in that: relief valve (3) is installed on the macropore pipe (21), when mistake aquaporin excessive when hydraulic pressure or aperture tubular axis (24) stopped up, relief valve was opened.
6. according to claim 1 to 4 each described instant electric water heater's hydraulic pressure starting drive and electric heater thereof, it is characterized in that: described housing (1) is made with resistant to elevated temperatures duroplasts, comprise side water inlet and upper water-out mouth, housing (1) is separated into the electric installation room of upper water heating chamber and anhydrous bottom by installation dividing plate (7) and the sealing ring (9) installed within it in vertical direction, sealing ring (9) is a radial direction seal ring, dividing plate (7) is installed is made by stainless steel, copper or other electrical and thermal conductivity performance good metal that is difficult for getting rusty.
7. according to claim 1 to 4 each described instant electric water heater's hydraulic pressure starting drive and electric heater thereof, it is characterized in that: electric heating body (4) quantity be two and more than, quantity by driving switch (10) or multi-shift function realize that the gear of electric heater power regulates.
8. according to claim 1 to 4 each described instant electric water heater's hydraulic pressure starting drive and electric heater thereof, it is characterized in that: leakproof electrical network (5) is housed at housing (1) delivery port front end, leakproof electrical network (5) is made by copper, the stainless steel that is difficult for corrosion, very small pores that electric conductivity is good or other material mesh grid, leakproof electrical network (5) is connected with earth electrode (6), and the material of earth electrode (6) is to be difficult for corrosion, copper or stainless steel that electric conductivity is good.
9. according to claim 1 to 4 each described instant electric water heater's hydraulic pressure starting drive and electric heater thereof, it is characterized in that: temperature detect switch (TDS) (8) is fixed on the installation dividing plate (7) of metal material, when water temperature too high, when reaching the setting break-off signal of temperature detect switch (TDS) (8), temperature detect switch (TDS) (8) disconnects rapidly, and electric heater quits work.
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| CN2011101905572A CN102242974B (en) | 2011-07-08 | 2011-07-08 | Instant heating type electric water heater and hydraulic start device thereof |
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| CN2011101905572A CN102242974B (en) | 2011-07-08 | 2011-07-08 | Instant heating type electric water heater and hydraulic start device thereof |
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Cited By (5)
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| CN103245061A (en) * | 2012-02-05 | 2013-08-14 | 刘运柳 | Electric water heating device |
| CN103983015A (en) * | 2014-05-16 | 2014-08-13 | 李启明 | Backflow prevention and automatic venting structure of electric water heater |
| CN104673271A (en) * | 2013-11-29 | 2015-06-03 | 宁波大学 | Blue-green fluorescent material and preparation method thereof |
| CN109682072A (en) * | 2019-02-01 | 2019-04-26 | 陈非 | Electric heater |
| WO2021184709A1 (en) * | 2020-03-16 | 2021-09-23 | 青岛海尔电冰箱有限公司 | Automatic water supply apparatus and refrigerator having same |
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| CN103245061B (en) * | 2012-02-05 | 2017-11-17 | 广东顺德光晟电器股份有限公司 | Electric water heater |
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| CN109682072A (en) * | 2019-02-01 | 2019-04-26 | 陈非 | Electric heater |
| CN109682072B (en) * | 2019-02-01 | 2024-05-03 | 宁波飞羽集团有限公司 | Electric water heater |
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Effective date of registration: 20201029 Address after: Room c506a-19, University Business Park, No. 99, University Road, Xuzhou hi tech Industrial Development Zone, 221000, Jiangsu Province Patentee after: Xuzhou Tiancheng Intelligent Technology Co.,Ltd. Address before: No. 1289, Yuanda 2nd Road, Furong district, Changsha City, Hunan Province Patentee before: Li Qiming |