CN101216213B - Electrical water heater and its built-in insulation admitting pipe and built-in insulation outlet pipe - Google Patents
Electrical water heater and its built-in insulation admitting pipe and built-in insulation outlet pipe Download PDFInfo
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- CN101216213B CN101216213B CN2008100256597A CN200810025659A CN101216213B CN 101216213 B CN101216213 B CN 101216213B CN 2008100256597 A CN2008100256597 A CN 2008100256597A CN 200810025659 A CN200810025659 A CN 200810025659A CN 101216213 B CN101216213 B CN 101216213B
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Abstract
The invention provides an electric water heater with a built-in insulating water inlet pipe. The built-in insulating water inlet pipe comprises a first end part, a second end part and an inside partition. The inside partition divides the built-in insulating water inlet pipe into a first cavity and a second cavity. The first cavity and the second cavity are communicated with each other at the second end part. The part of the second cavity at the first end part is sealed. A water outlet is arranged on the second cavity in a position close to the first end part. The inventive electric water heater has the advantages of easy installation, simple structure and low cost. The invention also provides a built-in insulating water inlet pipe and a built-in insulating water outlet pipe, which are simple in structure and easy to be installed.
Description
Technical field
The present invention relates to a kind of electric heater, especially a kind of electric heater that has built-in insulation water pipe.The invention still further relates to a kind of built-in insulation water pipe.
Background technology
Because the particularity of electric heater environment for use, the security performance of electric heater is the emphasis that the user paid close attention to always.The residential electricity consumption environment of China is not good, the unreliable common phenomenon that belongs to of no earth connection and earth connection.In existing technology,, mainly adopt outage method and charged water resistance method at solving the unusual situation of earthed system.The outage method refers to adopt earth leakage protective device; Charged water resistance method is refered in particular to and is utilized the water resistance principle to reduce to export the method for electric current.Chinese patent 01135300.7 discloses a kind of anti-electric shock type electric water heater, adopt built-in water inlet bushing pipe, when the length of above-mentioned water inlet bushing pipe satisfies certain value, can guarantee to do anticreep isolation, thereby guarantee the security of electric heater with the water resistance of current.Though technique scheme has been strengthened the security of electric heater to a certain extent, because its water inlet bushing pipe need adopt straight tube and sleeve pipe structure combining, complex structure is difficult for the cost height is installed.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art part, the invention provides a kind of with simple in structure, security performance is high, cost is low, the easy for installation electric heater of single tube as built-in insulation admitting pipe.
Another object of the present invention is to also to provide a kind of built-in insulation admitting pipe of electric heater simple in structure, easy for installation.
Another object of the present invention is to also to provide a kind of built-in insulation outlet pipe of electric heater simple in structure, easy for installation.
The present invention is achieved through the following technical solutions.
A kind of electric heater comprises inner bag, water inlet pipe, built-in insulation admitting pipe, and described built-in insulation admitting pipe part pipeline section is inserted in the internal bladder cavity, and described built-in insulation admitting pipe comprises first end and the second end, and described first end links to each other with described water inlet pipe.Described built-in insulation admitting pipe also comprises internal partition, described internal partition is separated into first tube chamber and second tube chamber to described built-in insulation admitting pipe, described first tube chamber and described second tube chamber communicate at described the second end place, described the second end place is provided with the insulation protecting cover, described insulation protecting cover links to each other with the sidewall of described built-in insulation admitting pipe, described first tube chamber is communicated with described water inlet pipe at described first end place, described second tube chamber is a closed structure at described first end place, and described second tube chamber has the delivery port that communicates with described inner bag at the place, bottom near described inner bag.
Described second tube chamber is an integral structure at the closed structure at described first end place and the sidewall and the described internal partition of described built-in insulation admitting pipe.The sidewall of described built-in insulation admitting pipe contains double-layer structure, and wherein internal layer is a plastic insulating layer, and skin is a stainless steel layer.
Described built-in insulation admitting pipe first end place is arranged with the insulation base.Be provided with two sealed fittings between described insulation base and the described built-in insulation admitting pipe, described sealed fitting lays respectively at the end of described insulation base both sides.Described internal partition is positioned at the position, middle of described built-in insulation admitting pipe, described built-in water inlet insulation tube from the first end of described first tube chamber to the delivery port of second tube chamber distance L and the sectional area S of second tube chamber of first tube chamber of described built-in insulation admitting pipe and described built-in insulation admitting pipe should satisfy L＞16.9S.
A kind of built-in insulation admitting pipe, comprise first end and the second end, described built-in insulation admitting pipe also comprises internal partition, described internal partition is separated into first tube chamber and second tube chamber to described built-in insulation admitting pipe, described first tube chamber and described second tube chamber communicate at described the second end place, described second tube chamber is a closed structure at described first end place, and described second tube chamber is having through hole near the first end place.Second tube chamber of described built-in insulation admitting pipe is an integral structure at the closed structure at described first end place and the sidewall of described built-in insulation admitting pipe.
A kind of built-in insulation outlet pipe, comprise first end and the second end, described built-in insulation outlet pipe also comprises internal partition, described internal partition is separated into first tube chamber and second tube chamber to described built-in insulation outlet pipe, described first tube chamber and described second tube chamber communicate at described the second end place, described second tube chamber is a closed structure at described first end place, and described second tube chamber is having through hole near the first end place.Second tube chamber of described built-in insulation outlet pipe is an integral structure at the closed structure at described first end place and the sidewall of described built-in insulation outlet pipe.
Built-in insulation admitting pipe and built-in insulation outlet pipe all are integrated single tube, and be simple in structure.The water heater that also has above-mentioned built-in insulation admitting pipe when guaranteeing security, can be simplified installation steps, reduces cost.
Below by drawings and Examples, the present invention is elaborated further.
Description of drawings
Fig. 1 is the structural representation of electric heater of the present invention.
Fig. 2 is the cutaway view of the built-in insulation admitting pipe of electric heater of the present invention.
Fig. 3 is the cutaway view of the built-in insulation outlet pipe of electric heater of the present invention.
The specific embodiment
Shown in Figure 1, detection of electrical leakage terminal 5 and heating tube 6 that electric heater of the present invention comprises shell 1, inner bag 2, water inlet pipe 3, outlet pipe 4 and is positioned at inner bag 2 inside.Built-in insulation admitting pipe 7 links to each other with water inlet pipe 3, and built-in insulation outlet pipe 8 links to each other with outlet pipe 4, and built-in insulation admitting pipe 7 and built-in insulation outlet pipe 8 part pipeline sections are inserted in the inner bag 2.
The concrete structure of built-in insulation admitting pipe 7 as shown in Figure 2.Built-in insulation admitting pipe 7 comprises first end 711 and the second end 712, also comprises internal partition 72.Internal partition 72 is separated into first tube chamber 731 and second tube chamber 732 to built-in insulation admitting pipe 7, first tube chamber 731 and second tube chamber 732 communicate at described the second end 712 places, first tube chamber 731 is communicated with water inlet pipe 3 at first end 711 places, second tube chamber 732 is that closed structure 7320, the second tube chambers 732 have the delivery port 74 that communicates with inner bag 2 at the place, bottom near inner bag 2 at first end 711 places.Current flow into from water inlet pipe, and first end 711 inflows first tube chamber 731 via built-in insulation admitting pipe 7 enters into second tube chamber 732 through the second end 712 then, flows out to inner bag 2 by delivery port 74 at last.
There is insulation protecting cover 9 at first end 711 places of built-in insulation admitting pipe 7, and insulation protecting cover 9 links to each other with the sidewall 75 of built-in insulation admitting pipe 7.
The sidewall 75 of built-in insulation admitting pipe 7 contains double-layer structure, and wherein internal layer 751 is a plastic insulating layer, and outer 752 is stainless steel layer.Outer 752 have guaranteed the intensity of built-in insulation admitting pipe 7.
Built-in insulation admitting pipe 7 first ends 711 places are arranged with insulation base 10.Between insulation base 10 and built-in insulation admitting pipe 7, be provided with two sealed fitting 11A and 11B, lay respectively at the end of insulation base 10 both sides.Also be provided with location water proof rubber circle 12 between sealed fitting 11A and the built-in insulation admitting pipe 7.
The structure of the structure of built-in insulation outlet pipe 8 and built-in insulation outlet pipe 7 is basic identical.Built-in insulation outlet pipe 8 comprises first end 811 and the second end 812, also comprises internal partition 82.Internal partition 82 is separated into first tube chamber 831 and second tube chamber 832 to built-in insulation outlet pipe 8, first tube chamber 831 and second tube chamber 832 communicate at described the second end 812 places, first tube chamber 831 is communicated with outlet pipe 4 at first end 811 places, second tube chamber 832 has closed structure 8320, the second tube chambers 832 at the place, bottom near inner bag 2 water inlet 84 that communicates with inner bag 2 to be arranged at first end 811 places.The water that is heated in the inner bag 2, second tube chamber 832 from water inlet 84 inflow built-in insulation outlet pipes 8 enters into first tube chamber 831 through the second end 812, flows out to outlet pipe 4 by first end 811 at last.
There is insulation protecting cover 9 at first end 811 places of built-in insulation outlet pipe 8, and insulation protecting cover 9 links to each other with the sidewall 85 of built-in insulation outlet pipe 8.The sidewall 85 of built-in insulation outlet pipe 8 contains double-layer structure, and wherein internal layer 851 is a plastic insulating layer, and outer 852 is stainless steel layer.Outer 852 have guaranteed the intensity of built-in insulation outlet pipe 8.Built-in insulation outlet pipe 8 first ends 811 places are arranged with insulation base 10.Between insulation base 10 and built-in insulation outlet pipe 8, be provided with two sealed fitting 11A and 11B, lay respectively at the end of insulation base 10 both sides.Also be provided with location water proof rubber circle 12 between sealed fitting 11A and the built-in insulation outlet pipe 8.
With the sectional area of first tube chamber 711 of built-in insulation admitting pipe 7 is S, and internal partition 72 is positioned at the position, middle of described built-in insulation admitting pipe 7, and the sectional area of first tube chamber 711 is identical with the sectional area of second tube chamber 712.According to the regulation of concrete test, the electric heater Leakage Current is defined as 10mA, can guarantee user's safety.When if electric leakage takes place in the heating tube in the inner bag 2, for guaranteeing user's safety, dielectric resistance R＞220V/10mA=22 * 10 that should guarantee current
3Ω.The electricalresistivity of current is 1300 Ω cm, the current length of flowing through in built-in water inlet insulation tube 7 then, promptly first end 731 places of first tube chamber 711 of built-in insulation admitting pipe 7 should satisfy L＞RS/ ρ=16.9S to the sectional area S of first tube chamber 711 of the distance L of the delivery port 74 of second tube chamber 712 and described built-in insulation admitting pipe 7.
Therefore, when the distance of the delivery port 74 of first end place 731 to second tube chambers 712 of built-in insulation admitting pipe 7 first tube chambers 711 during greater than the sectional area S of first tube chamber 711 of 16.9 times of built-in insulation admitting pipes 7, just can be with the resistance of current as anticreep isolation.
Heated water also needed the built-in insulation outlet pipe 8 of flowing through in the inner bag 2 before arriving outlet pipe 4, and the whole flow process of current further extends like this, and the resistance of current strengthens, and security performance is better guaranteed.
Built-in insulation admitting pipe 7 of the present invention and built-in insulation admitting pipe 8 all are integrated simple form pipe, and be simple in structure, easy for installation, and can save cost, also guaranteed current can satisfy the requirement of water heater safety aspect through the length of distance.
Should be noted that at last; above embodiment only illustrates technical scheme of the present invention but not limiting the scope of the invention; although the present invention has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art tackles understanding; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.
Claims (9)
1. electric heater, comprise inner bag, water inlet pipe, built-in insulation admitting pipe, described built-in insulation admitting pipe part pipeline section is inserted in the internal bladder cavity, described built-in insulation admitting pipe comprises first end and the second end, described first end links to each other with described water inlet pipe, it is characterized in that, described built-in insulation admitting pipe also comprises internal partition, described internal partition is separated into first tube chamber and second tube chamber to described built-in insulation admitting pipe, described first tube chamber and described second tube chamber communicate at described the second end place, the second end place of described built-in insulation admitting pipe is provided with the insulation protecting cover, described insulation protecting cover links to each other with the sidewall of described built-in insulation admitting pipe, described first tube chamber is communicated with described water inlet pipe at described first end place, described second tube chamber is a closed structure at described first end place, and described second tube chamber has the delivery port that communicates with described inner bag at the place, bottom near described inner bag.
2. electric heater as claimed in claim 1 is characterized in that, described second tube chamber is an integral structure at the closed structure at described first end place and the sidewall and the described internal partition of described built-in insulation admitting pipe.
3. electric heater as claimed in claim 1 is characterized in that the sidewall of described built-in insulation admitting pipe contains double-layer structure, and wherein internal layer is a plastic insulating layer, and skin is a stainless steel layer.
4. electric heater as claimed in claim 1 is characterized in that, described built-in insulation admitting pipe first end place is arranged with the insulation base.
5. electric heater as claimed in claim 4 is characterized in that, is provided with two sealed fittings between described insulation base and the described built-in insulation admitting pipe, and described sealed fitting lays respectively at the end of described insulation base both sides.
6. the built-in insulation admitting pipe of an electric heater, comprise first end and the second end, it is characterized in that, described built-in insulation admitting pipe also comprises internal partition, described internal partition is separated into first tube chamber and second tube chamber to described built-in insulation admitting pipe, described first tube chamber and described second tube chamber communicate at described the second end place, described first tube chamber is a water inlet at the first end place, described second tube chamber is a closed structure at described first end place, and described second tube chamber is having delivery port near the first end place.
7. built-in insulation admitting pipe as claimed in claim 6 is characterized in that, described second tube chamber is an integral structure at the closed structure at described first end place and the sidewall of described built-in insulation admitting pipe.
8. the built-in insulation outlet pipe of an electric heater, comprise first end and the second end, it is characterized in that, described built-in insulation outlet pipe also comprises internal partition, described internal partition is separated into first tube chamber and second tube chamber to described built-in insulation outlet pipe, described first tube chamber and described second tube chamber communicate at described the second end place, described first tube chamber is a delivery port at the first end place, described second tube chamber is a closed structure at described first end place, and described second tube chamber is having water inlet near the first end place.
9. built-in insulation outlet pipe as claimed in claim 8 is characterized in that, described second tube chamber is an integral structure at the closed structure at described first end place and the sidewall of described built-in insulation outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100256597A CN101216213B (en) | 2008-01-07 | 2008-01-07 | Electrical water heater and its built-in insulation admitting pipe and built-in insulation outlet pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100256597A CN101216213B (en) | 2008-01-07 | 2008-01-07 | Electrical water heater and its built-in insulation admitting pipe and built-in insulation outlet pipe |
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| CN101216213A CN101216213A (en) | 2008-07-09 |
| CN101216213B true CN101216213B (en) | 2010-06-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102927690B (en) * | 2012-11-14 | 2018-07-24 | 海尔集团公司 | Water heater and its electric leakage and anti-dry detection method |
| CN108062120A (en) * | 2018-01-15 | 2018-05-22 | 贵州民族大学 | A kind of mixed water water tank and control method with temperature adjustment function |
| CN110906534A (en) * | 2019-11-26 | 2020-03-24 | 青岛海诺特电器有限公司 | Method for manufacturing electric water heater |
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Owner name: GUANGDONG GEMAKE ELECTRIC APPLIANCE CO., LTD. Free format text: FORMER OWNER: HE MAOCAI Effective date: 20120628 |
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Effective date of registration: 20120628 Address after: 528425 Guangdong city of Zhongshan province Luge Mei Qi Dong Feng Zhen Dong Fu Industrial City Guangdong gemake Electric Appliance Co., Ltd. Patentee after: Guangdong Gemeiqi Electrical Appliances Co., Ltd. Address before: 528425 Guangdong city of Zhongshan Province Dongfeng Town Guangzhou City Industrial Zone Guangdong gemake Electric Appliance Co., Ltd. Patentee before: He Maocai |