CN101338938A - Quick heating type electric water heater - Google Patents
Quick heating type electric water heater Download PDFInfo
- Publication number
- CN101338938A CN101338938A CNA2008101202448A CN200810120244A CN101338938A CN 101338938 A CN101338938 A CN 101338938A CN A2008101202448 A CNA2008101202448 A CN A2008101202448A CN 200810120244 A CN200810120244 A CN 200810120244A CN 101338938 A CN101338938 A CN 101338938A
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- water inlet
- metal shell
- water
- heater
- hold
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Abstract
The invention discloses an instant electric water heater, including a base and a cover. The base is provided with a heating device and a computer control panel. The invention is characterized in that the heating device is provided with a water inlet and a water outlet. The water inlet is provided with an inflow temperature sensor and a water flow sensor. The water outlet is provided with an outflow temperature sensor. The base is provided with an inlet branch and an outlet branch. The inlet branch, the water flow sensor, the water outlet and the outlet branch are respectively connected by an insulated flexible pipe. The invention has the advantage that because the water inlet of the heating device is provided with the inflow temperature sensor and the water flow sensor, and the water outlet of the heating device is provided with the outflow temperature sensor, the sensing time of time temperature is shortened greatly and the precision of temperature control is improved. Moreover, because the inlet branch, the water flow sensor, the water outlet and the outlet branch are respectively connected by the insulated flexible pipe, the heating part and the water-resistance anti-electric wall are separated completely without creepage, which makes the use secure .
Description
Technical field
The present invention relates to a kind of electric heater, especially relate to a kind of instant electric water heater.
Background technology
The instant electric water heater is a kind of energy-saving product, and advantages such as the little instant-heating easy for installation of volume are arranged.Instant-heating electric water heater mainly can be divided into the heating of vitreous electricity hotting mask, the heating of armouring electrothermal tube and naked silk heating by the difference of mode of heating in the market, though the heating of vitreous electricity hotting mask has realized electricity separation but glassware has fragility and heating instability, so be not desirable power carrying carrier; The heating of armouring electrothermal tube is present most widely used general a kind of mode of heating, but the armouring electrothermal tube is used the hot water time lengthening because of the thermal inertia effect, can make the water temperature in the water heater calandria when stopping to heat, rise to too high, and the armouring electrothermal tube is under the erosion of current and high temperature, the easy breakage of armor leaky occurs and electrothermal tube is in the metal water tank, causes electric current directly to flow through the user; And naked silk heating technique is a kind of brand-new safe heating technique, this technical characterstic is heater strip is placed directly in the water and heats, intake-outlet at calandria connects elongated water pipe then, be equivalent on the calandria intake-outlet, add two huge water resistances, make the leakage current of intake-outlet be far smaller than the safe current that people's physical efficiency is passed through, reach the requirement of the anti-electricity of structure.Naked silk heating technique in the market; substantially adopted heater strip place calandria and conduct to prevent that the incorporate structural design of the elongated water pipe of intake-outlet of electric wall is shown in figure (1); this structure only relies on two irregular water shutoff rubber cushions 100 as anticreep guarantee; when water shutoff rubber cushion 100 inner drainage occurs owing to factors such as time length, temperature height; the length of the elongated water pipe of intake-outlet will shorten or more serious cause its protective effect that loses anti-electric wall, make electric current directly flow through the user.In addition, general instant electric water heater is the non-constant-temperature effluent formula of manual adjustments power shape, owing to need user's manual adjustments power, in the hydraulic pressure instability, go into the variation that all will be directed at leaving water temperature under the situation of coolant-temperature gage instability or input voltage instability etc., bring very big inconvenience to the user.
Summary of the invention
Technical problem to be solved by this invention provides a kind of instant electric water heater that can not leak electricity and can keep effluent temperature constancy safe in utilization.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of instant electric water heater, comprise base and enclosing cover, be set with heater and computer control panel on the described base, described enclosing cover is provided with temperature regulation switch, described temperature regulation switch is electrically connected with described computer control panel, described heater is provided with water inlet and delivery port, described water inlet is provided with inflow temperature sensor and water flow sensing unit, described delivery port is provided with the leaving water temperature sensor, described computer control panel respectively with described heater, described inflow temperature sensor, described leaving water temperature sensor and described water flow sensing unit are electrically connected, be set with water inlet pipe and outlet pipe on the described base, between described water inlet pipe and the described water flow sensing unit, be connected with flexible insulated hose respectively between described delivery port and the described outlet pipe, the length of every eradication edge flexible pipe satisfies formula: L＞53r
2, wherein: L is the length of described flexible insulated hose, r is the inside radius of described flexible insulated hose.
Described heater comprises insulation loam cake and the insulation shell that is fixedly installed on the described base, be sealedly and fixedly connected between described insulation loam cake and the described insulation shell, described water inlet and described delivery port all are arranged in the described insulation and cover, described insulation shell is provided with inner chamber, cover in the described insulation be set with at least one group of hold-down bars and with the corresponding contact rod of described hold-down bars, described hold-down bars stretches in the described inner chamber, be arranged with heater strip on the described hold-down bars, fixedly connected with described contact rod respectively in the two ends of described heater strip, be provided with the gap between the inner face of the upper end of described heater strip and described insulation loam cake, described contact rod is electrically connected with described computer control panel, described insulation loam cake is provided with the aqueduct that is interconnected with described water inlet, and the end of described aqueduct is near the bottom of described inner chamber.
The inner bottom surface of described insulation shell is provided with and the corresponding positioning pipe of described hold-down bars, and the end of described hold-down bars is stretched in the pore of described positioning pipe.
Described water flow sensing unit comprises metal shell and is arranged on the interior central shaft of described metal shell, coaxially on the described central shaft be set with multistage magnet, the coaxial into water radome fairing that is arranged with in the upper end of described central shaft, the coaxial fluid stable cover that is arranged with in the lower end of described central shaft, described multistage magnet is arranged between described water inlet radome fairing and the described fluid stable cover, described water inlet radome fairing and described fluid stable cover are fixedly installed on respectively on the inwall of described metal shell, be wholely set a plurality of equally distributed oblique commutator segments in the described water inlet radome fairing, the incline direction of the magnetic sheet on the incline direction of described commutator segment and the described multistage magnet is relative, a plurality of equally distributed stabilization have been wholely set in the described fluid stable cover, fixedly connected with described flexible insulated hose in the upper end of described metal shell, fixedly connected with described water inlet in the lower end of described metal shell, be set with hall element sensor and controllable silicon on the described metal shell, described hall element sensor and described controllable silicon are electrically connected with described computer control panel respectively.
The internal diameter of described metal shell is slightly larger than the maximum outside diameter of described multistage magnet.
The upper end of described metal shell is provided with annular slot, the end of described flexible insulated hose has been wholely set the taper connection head, described taper connection head cooperates with described annular slot, described taper connection head is provided with hold-down nut, described hold-down nut is threaded with described metal shell, and the connected mode of described flexible insulated hose and other each several part is identical with the connected mode of described flexible insulated hose and described metal shell.
The bottom of described metal shell is threaded with described water inlet, is provided with O-ring seal between described metal shell and the described water inlet.
The material of described metal shell is a copper.
Be wholely set locating slot on the described base, described flexible insulated hose is fastened in the described locating slot.
The material of described flexible insulated hose is a polytetrafluoroethylene (PTFE).
Compared with prior art, advantage of the present invention is because the water inlet of heater is provided with inflow temperature sensor and water flow sensing unit, the delivery port of heater is provided with the leaving water temperature sensor, shortened the time of induction water temperature greatly, improved the precision of temperature control, and between water inlet pipe and the water flow sensing unit, be connected with flexible insulated hose respectively between delivery port and the outlet pipe, and the length of every eradication edge flexible pipe satisfies formula: L＞53r
2, the anti-electric wall part of heating part and water resistance is separated fully, use safelyr, can not leak electricity; And the material of flexible insulated hose adopts polytetrafluoroethylene (PTFE), makes it have the characteristics of high water pressure resistant, anti-high water temperature, non-conductive and long service life, makes the possibility that the anti-electric wall of water resistance lost efficacy reduce to zero, thereby has reached safer purpose; Again because the insulation loam cake in the heater is provided with the aqueduct that is interconnected with water inlet, the end of aqueduct is near the bottom of inner chamber, making the cold water that enters insulation shell fill part contacts with heater strip and evenly heating, import under the stable condition at power, using water temperature is directly proportional with power, be provided with the gap between the inner face of the upper end of heater strip and insulation loam cake, make bubble that heater strip produces at work and can rise to the top rapidly from the air that aqueduct enters, and can not rest on heater strip around, make heater strip that the silk phenomenon can not take place to burn, thereby guaranteed the safe in utilization of heater strip, and the inner bottom surface of insulation shell is provided with and the corresponding positioning pipe of hold-down bars, the end of hold-down bars is stretched in the pore of positioning pipe, makes hold-down bars off normal can not take place when mounted; Again owing to be provided with the oblique commutator segment that designs by fluid mechanics principle in the radome fairing in the water flow sensing unit, to stably when making current flow through radome fairing, current are transformed into the rotary water current of rotation at a high speed, and the incline direction of the magnetic sheet on the incline direction of commutator segment and the multistage magnet is relative, make multistage magnet can obtain maximum rotational kinetic energy, again because the internal diameter of metal shell is slightly larger than the maximum outside diameter of multistage magnet, make the hall element sensor that is arranged on the metal shell can record data on flows more accurately, control by the computer control panel makes water temperature can reach user's setting value rapidly, thereby makes leaving water temperature keep constant; In addition, the material of metal shell is a copper, and on the metal shell that controllable silicon fixedly installs, the heat that makes controllable silicon produce when work is taken away by copper housing rapidly, realized optimal water cooling method, and the heat that controllable silicon work produces obtains by consumed power, this part electric energy is absorbed by water again, therefore improved the utilization rate of electric energy to greatest extent, can reach more than 99% through the thermal efficiency of experiment measuring electric heater; And the bottom of metal shell is threaded with water inlet, and and water inlet between be provided with O-ring seal, angle that can the flexible modulation metal shell and can not make to produce between metal shell and the water inlet and leak; Flexible insulated hose adopts the taper connection head to cooperate with annular slot with the connected mode of each several part, and with the fixedly connected mode of hold-down nut, has guaranteed that flexible insulated hose is more firm with being connected of each several part.
Description of drawings
Fig. 1 is existing naked silk heating arrangement schematic diagram;
Fig. 2 is an integral outer schematic diagram of the present invention;
Fig. 3 removes stereo amplification figure behind the enclosing cover for the present invention;
Fig. 4 removes partial sectional view behind the enclosing cover for the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in the figure, a kind of instant electric water heater, comprise base 1, enclosing cover 2 and the computer control panel 3 and the insulation shell 4 that are fixedly installed on the base 1, enclosing cover 2 is provided with temperature regulation switch 5, temperature regulation switch 5 is electrically connected with computer control panel 3, sealing is provided with insulation loam cake 6 on the insulation shell 4, water inlet 61 and delivery port 62 have been wholely set on the insulation loam cake 6, water inlet 61 is provided with inflow temperature sensor 63, delivery port 62 is provided with leaving water temperature sensor 64, insulation shell 4 is provided with inner chamber 41, insulation be set with on the loam cake 6 two groups of hold-down bars 7 and with hold-down bars 7 corresponding contact rods 8, hold-down bars 7 stretches in the inner chamber 41, the inner bottom surface of insulation shell 4 is provided with and hold-down bars 7 corresponding positioning pipes 42, the end of hold-down bars 7 is stretched in the pore of positioning pipe 42, be arranged with heater strip 71 on the hold-down bars 7, fixedly connected with contact rod 8 respectively in the two ends of heater strip 71, be provided with the gap between the inner face of the upper end of heater strip 71 and insulation loam cake 6, insulation loam cake 6 is provided with the aqueduct 65 that is interconnected with water inlet 61, the end of aqueduct 65 is near the bottom of inner chamber 41, copper shell 9 has been threaded on the water inlet 61, be provided with O-ring seal 66 between copper shell 9 and the water inlet 61, be provided with central shaft 10 in the copper shell 9, coaxially on the central shaft 10 be set with multistage magnet 11, the maximum outside diameter of multistage magnet 11 is slightly less than the internal diameter of copper shell 9, the coaxial into water radome fairing 12 that is arranged with in the upper end of central shaft 10, the coaxial fluid stable cover 13 that is arranged with in the lower end of central shaft 10, multistage magnet 11 is arranged on between the water radome fairing 12 and fluid stable cover 13, water inlet radome fairing 12 and fluid stable cover 13 are fixedly installed on respectively on 9 inwalls of copper shell, be wholely set a plurality of equally distributed oblique commutator segments 121 in the water inlet radome fairing 12, the incline direction of the magnetic sheet 111 on the incline direction of commutator segment 121 and the multistage magnet 11 is relative, a plurality of equally distributed stabilization 131 have been wholely set in the fluid stable cover 13, be set with hall element sensor 91 and controllable silicon 92 on the copper shell 9, computer control panel 3 respectively with contact rod 8, inflow temperature sensor 63, leaving water temperature sensor 64, hall element sensor 91 and controllable silicon 92 are electrically connected, the upper end of copper shell 9 is provided with annular slot 93, the end of flexible insulated hose 14 has been wholely set taper connection 141, taper connection 141 cooperates with annular slot 93, taper connection 141 is provided with hold-down nut 15, hold-down nut 15 is threaded with copper shell 9, be set with water inlet pipe 16 and outlet pipe 17 on the base 1, the other end of flexible insulated hose 14 is connected with water inlet pipe 16, also be connected by flexible insulated hose 14 between outlet pipe 17 and the delivery port 62, the length of every eradication edge flexible pipe satisfies formula: L＞53r
2, wherein: L is the length of flexible insulated hose, and r is the inside radius of flexible insulated hose, has been wholely set locating slot 18 on the base 1, and flexible insulated hose 14 is fastened in the locating slot 18.
In the foregoing description, the connected mode of flexible insulated hose 14 and water inlet pipe 16, outlet pipe 17, delivery port 62 all adopts the connected mode of flexible insulated hose 14 and copper shell 9, and the material of flexible insulated hose 14 is a polytetrafluoroethylene (PTFE).
Claims (10)
1, a kind of instant electric water heater, comprise base and enclosing cover, be set with heater and computer control panel on the described base, described enclosing cover is provided with temperature regulation switch, described temperature regulation switch is electrically connected with described computer control panel, it is characterized in that described heater is provided with water inlet and delivery port, described water inlet is provided with inflow temperature sensor and water flow sensing unit, described delivery port is provided with the leaving water temperature sensor, described computer control panel respectively with described heater, described inflow temperature sensor, described leaving water temperature sensor and described water flow sensing unit are electrically connected, be set with water inlet pipe and outlet pipe on the described base, between described water inlet pipe and the described water flow sensing unit, be connected with flexible insulated hose respectively between described delivery port and the described outlet pipe, the length of every eradication edge flexible pipe satisfies formula: L＞53r
2, wherein: L is the length of described flexible insulated hose, r is the inside radius of described flexible insulated hose.
2, a kind of instant electric water heater as claimed in claim 1, it is characterized in that described heater comprises insulation loam cake and the insulation shell that is fixedly installed on the described base, be sealedly and fixedly connected between described insulation loam cake and the described insulation shell, described water inlet and described delivery port all are arranged in the described insulation and cover, described insulation shell is provided with inner chamber, cover in the described insulation be set with at least one group of hold-down bars and with the corresponding contact rod of described hold-down bars, described hold-down bars stretches in the described inner chamber, be arranged with heater strip on the described hold-down bars, fixedly connected with described contact rod respectively in the two ends of described heater strip, be provided with the gap between the inner face of the upper end of described heater strip and described insulation loam cake, described contact rod is electrically connected with described computer control panel, described insulation loam cake is provided with the aqueduct that is interconnected with described water inlet, and the end of described aqueduct is near the bottom of described inner chamber.
3, a kind of instant electric water heater as claimed in claim 2 is characterized in that the inner bottom surface of described insulation shell is provided with and the corresponding positioning pipe of described hold-down bars, and the end of described hold-down bars is stretched in the pore of described positioning pipe.
4, a kind of instant electric water heater as claimed in claim 1, it is characterized in that described water flow sensing unit comprises metal shell and is arranged on the interior central shaft of described metal shell, coaxially on the described central shaft be set with multistage magnet, the coaxial into water radome fairing that is arranged with in the upper end of described central shaft, the coaxial fluid stable cover that is arranged with in the lower end of described central shaft, described multistage magnet is arranged between described water inlet radome fairing and the described fluid stable cover, described water inlet radome fairing and described fluid stable cover are fixedly installed on respectively on the inwall of described metal shell, be wholely set a plurality of equally distributed oblique commutator segments in the described water inlet radome fairing, the incline direction of the magnetic sheet on the incline direction of described commutator segment and the described multistage magnet is relative, a plurality of equally distributed stabilization have been wholely set in the described fluid stable cover, fixedly connected with described flexible insulated hose in the upper end of described metal shell, fixedly connected with described water inlet in the lower end of described metal shell, be set with hall element sensor and controllable silicon on the described metal shell, described hall element sensor and described controllable silicon are electrically connected with described computer control panel respectively.
5, a kind of instant electric water heater as claimed in claim 4 is characterized in that the internal diameter of described metal shell is slightly larger than the maximum outside diameter of described multistage magnet.
6, a kind of instant electric water heater as claimed in claim 4, the upper end that it is characterized in that described metal shell is provided with annular slot, the end of described flexible insulated hose has been wholely set the taper connection head, described taper connection head cooperates with described annular slot, described taper connection head is provided with hold-down nut, described hold-down nut is threaded with described metal shell, and the connected mode of described flexible insulated hose and other each several part is identical with the connected mode of described flexible insulated hose and described metal shell.
7, a kind of instant electric water heater as claimed in claim 4 is characterized in that the bottom of described metal shell is threaded with described water inlet, is provided with O-ring seal between described metal shell and the described water inlet.
8, a kind of instant electric water heater as claimed in claim 4, the material that it is characterized in that described metal shell is a copper.
9, a kind of instant electric water heater as claimed in claim 1 is characterized in that being wholely set locating slot on the described base, and described flexible insulated hose is fastened in the described locating slot.
10, a kind of instant electric water heater as claimed in claim 1, the material that it is characterized in that described flexible insulated hose is a polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101202448A CN101338938B (en) | 2008-08-14 | 2008-08-14 | Quick heating type electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101202448A CN101338938B (en) | 2008-08-14 | 2008-08-14 | Quick heating type electric water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101338938A true CN101338938A (en) | 2009-01-07 |
| CN101338938B CN101338938B (en) | 2010-11-17 |
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ID=40213068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101202448A Expired - Fee Related CN101338938B (en) | 2008-08-14 | 2008-08-14 | Quick heating type electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101338938B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287905A (en) * | 2011-06-23 | 2011-12-21 | 浙江雨林电子科技有限公司 | Ceiling mounted electric water heating device |
| CN102434956A (en) * | 2011-06-16 | 2012-05-02 | 吴中敏 | Flow servo instant electric water heater |
| CN103134578A (en) * | 2011-12-02 | 2013-06-05 | 苏州工业园区高登威科技有限公司 | Vibration test system of seat backrest |
| CN105004036A (en) * | 2015-08-14 | 2015-10-28 | 孙道明 | Novel heating and heat exchange device |
-
2008
- 2008-08-14 CN CN2008101202448A patent/CN101338938B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434956A (en) * | 2011-06-16 | 2012-05-02 | 吴中敏 | Flow servo instant electric water heater |
| CN102287905A (en) * | 2011-06-23 | 2011-12-21 | 浙江雨林电子科技有限公司 | Ceiling mounted electric water heating device |
| CN102287905B (en) * | 2011-06-23 | 2014-06-18 | 浙江雨林电子科技有限公司 | Ceiling mounted electric water heating device |
| CN103134578A (en) * | 2011-12-02 | 2013-06-05 | 苏州工业园区高登威科技有限公司 | Vibration test system of seat backrest |
| CN105004036A (en) * | 2015-08-14 | 2015-10-28 | 孙道明 | Novel heating and heat exchange device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101338938B (en) | 2010-11-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO YINZHOU PUNING ELECTRIC APPLIANCES CO., LTD Free format text: FORMER OWNER: DU ZHIWEI Effective date: 20130109 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130109 Address after: 315100, Huaxing Lane 55, Xifeng Road, Ningbo, Zhejiang, Yinzhou District Patentee after: Yinzhou Puning Electric Appliance Co., Ltd. Ningbo Address before: 315100, Huaxing Lane 55, Xifeng Road, Ningbo, Zhejiang, Yinzhou District Patentee before: Du Zhiwei |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20130814 |