CN204153956U - Water heater installations - Google Patents

Water heater installations Download PDF

Info

Publication number
CN204153956U
CN204153956U CN 201420522972 CN201420522972U CN204153956U CN 204153956 U CN204153956 U CN 204153956U CN 201420522972 CN201420522972 CN 201420522972 CN 201420522972 U CN201420522972 U CN 201420522972U CN 204153956 U CN204153956 U CN 204153956U
Authority
CN
Grant status
Grant
Patent type
Prior art keywords
valve
water
outlet
inlet
heater
Prior art date
Application number
CN 201420522972
Other languages
Chinese (zh)
Inventor
曾云
谢帆
Original Assignee
芜湖美的厨卫电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Abstract

The utility model provides a water heater device. The water heater device comprises a gas water heater, an electric water heater and a plurality of water utilization units, wherein the gas water heater comprises a first water inlet and a first water outlet, the electric water heater comprises a second water inlet and a second water outlet, the first water outlet is connected with the second water inlet, the water utilization units are connected with the second water outlet, the first water inlet is provided with a first valve, the first water outlet is provided with a second valve, the second water inlet is provided with a third valve, the second water outlet is provided with a fourth valve, a first normally-closed valve is arranged between the inlet end of the first valve and the outlet end of the second valve, and a second normally-closed valve is arranged between the inlet end of the third valve and the outlet end of the fourth valve. According to the water heater device, the water outlet of the gas water heater is connected with the water inlet of the electric water heater in series, the gas and electricity complementation is achieved, and use is reliable.

Description

热水器装置 Water heater installations

技术领域 FIELD

[0001] 本实用新型涉及厨卫技术领域,特别是涉及一种热水器装置。 [0001] The present invention relates to the field of kitchen technology, particularly to a water heater apparatus.

背景技术 Background technique

[0002]目前热水器主要分为四类,即电热水器、燃气热水器、太阳能热水器和空气能热水器,四者各有优缺点,适合不同人群的需求。 [0002] At present water heater is divided into four categories, namely, electric water heaters, gas water heaters, solar water heaters and air heaters, the four have advantages and disadvantages for different people's needs. 随着人们节能环保意识的不断提高,对节能环保热水设备的需求越来越强烈。 With the continuous improvement of people's awareness of energy saving, the demand for energy saving hot water equipment is more and more intense. 随着人们生活水平的不断提高,对热水的要求也越来越高,如热水用量不断增加、一开即有热水、同时用水点数增加等。 With the improvement of people's living standards, more and more requirements for hot water is also high, such as increasing the amount of hot water, hot water that is opened, while increasing the number of points and the like with water. 单一能源热水器已慢慢不能满足需求。 Single energy water heater has gradually can not meet the demand.

实用新型内容 SUMMARY

[0003] 本实用新型旨在至少在一定程度上解决相关技术中的技术问题之一。 [0003] The present invention aims to solve one of the technical issues related to technology, at least to some extent.

[0004] 为此,本实用新型的一个目的在于提出一种燃电互补、使用可靠的热水器装置。 [0004] To this end, an object of the present invention is to propose a complementary electric ignition, reliable water heater apparatus.

[0005] 根据本实用新型的热水器装置,包括:燃气热水器,所述燃气热水器具有第一进水口和第一出水口;电热水器,所述电热水器具有第二进水口和第二出水口,所述第一出水口与所述第二进水口相连;和多个用水单元,所述多个用水单元分别与所述第二出水口相连;其中,所述第一进水口上设有第一阀,所述第一出水口上设有第二阀,所述第二进水口上设有第三阀,所述第二出水口上设有第四阀,所述第一阀的进口端与所述第二阀的出口端之间设有第一常闭阀,所述第三阀的进口端与所述第四阀的出口端设有第二常闭阀。 [0005] According to the present invention the water heater apparatus, comprising: a gas water heater, a gas water heater having a first inlet and a first outlet; electric water heaters, electric water heater having a second inlet and second outlet, the said first outlet and the second inlet is connected; water and a plurality of units, said units are respectively connected to the plurality of water to the second outlet; wherein the first inlet is provided with a first outlet valve the first outlet is provided with a second valve, said third valve is provided with a second inlet, said fourth valve is provided with a second outlet, the first valve and the inlet end of the a first normally closed valve, the third valve inlet end and the outlet end of the fourth valve is provided with a second normally-closed valve between the outlet end of said second valve.

[0006] 根据本实用新型的热水器装置,将燃气热水器的出水口与电热水器的进水口串联,实现燃电互补、使用可靠。 [0006] The heater apparatus of the present invention according to the gas water heater outlet and inlet of the water heater in series to achieve complementary electrical fuel use and reliable.

[0007] 另外,根据本实用新型上述实施例的热水器装置还可以具有如下附加的技术特征: [0007] Further, the hot water apparatus according to the present invention according to the above-described embodiment may also have the following additional technical features:

[0008] 根据本实用新型的一个示例,所述热水器装置还包括泄压阀,所述泄压阀设在所述第二进水口上。 [0008] According to the present invention novel one example, the heater means further comprises a pressure relief valve, the relief valve is provided in the second inlet.

[0009] 根据本实用新型的一个示例,所述泄压阀在所述第二进水口上位于所述第三阀的下游。 [0009] According to the present invention novel one example, the relief valve downstream of the second inlet valve is in the third.

[0010] 根据本实用新型的一个示例,所述第一阀、所述第二阀、所述第三阀和所述第四阀均为球阀。 [0010] According to the present invention novel one example, the first valve, the second valve, the third valve and the fourth valve are ball valves.

[0011] 根据本实用新型的一个示例,多个所述用水单元为冷热水龙头和/或冷热水花洒。 [0011] According to the present invention novel one example, the plurality of units Mixer water and / or cold water shower.

[0012] 本实用新型的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本实用新型的实践了解到。 [0012] Additional aspects of the present invention and the advantages will be set forth in part in the description which follows, from the following description in part will become apparent, the present invention, or learned from the practice.

附图说明 BRIEF DESCRIPTION

[0013] 图1是根据本实用新型一个实施例的热水器装置的示意图。 [0013] FIG. 1 is a schematic view of hot water apparatus according to the embodiment of the present invention of an embodiment.

具体实施方式 detailed description

[0014] 下面详细描述本实用新型的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。 [0014] The following detailed embodiments of the present invention described embodiments, exemplary embodiments of the embodiment shown in the accompanying drawings, wherein same or similar reference numerals designate the same or similar elements having same or functionally similar elements. 下面通过参考附图描述的实施例是示例性的,旨在用于解释本实用新型,而不能理解为对本实用新型的限制。 By following with reference to the embodiments described are exemplary, and are intended to serve to explain the limitations of the present novel invention, and should not be understood as a practical pair.

[0015] 下面参考附图来详细描述根据本实用新型的热水器装置。 [0015] Referring heater apparatus of the present invention described in detail according to the accompanying drawings.

[0016] 如图1所示,根据本实用新型的热水器装置,包括:燃气热水器10,电热水器20和多个用水单元301,302,303,304。 [0016] As shown in FIG 1, according to the present invention the water heater apparatus, comprising: a gas water heater 10, electric water heaters 20 and a plurality of units 301, 302.

[0017] 具体地说,燃气热水器10具有第一进水口101和第一出水口102。 [0017] Specifically, a first gas water heater 10 having a first inlet 101 and outlet 102.

[0018] 电热水器20具有第二进水口201和第二出水口202。 [0018] The water heater 20 has a second inlet 201 and second outlet 202. 第一出水口102与第二进水口201相连。 A first outlet 102 and second inlet 201 is connected.

[0019] 多个用水单元301,302,303,304分别与第二出水口202相连。 [0019] The units 301, 302 are a plurality of water 202 connected to the second outlet. 多个用水单元301,302,303,304可以为冷热水龙头和/或冷热水花洒。 Units 301, 302 may be a plurality of water taps cold and / or hot and cold shower water. 换言之,冷热水龙头的热水端或冷热水花洒的热水端与第二出水口202相连,而冷热水龙头的冷水端或冷热水花洒的冷水端与诸如自来水的市政供水系统相连,这是可以理解的。 In other words, hot or cold end of the hot end of the cold water shower faucet 202 is connected to the second outlet, and the cold end of the cold end of the cold water faucet or shower head connected to hot and cold water, such as municipal water systems in the water, this is understandable.

[0020] 其中,第一进水口101上设有第一阀401,第一出水口102上设有第二阀402,第二进水口201上设有第三阀403,第二出水口404上设有第四阀404。 [0020] wherein, the first inlet 101 is provided with a first intake valve 401, second valve 402 is provided on the first outlet 102, a third valve 403 is provided on the second water inlet 201, a second outlet 404 fourth valve 404 is provided. 第一阀401的进口端与第二阀402的出口端之间设有第一常闭阀501,第三阀403的进口端与第四阀404的出口端设有第二常闭阀502。 A first normally-closed valve 501, third valve 403 and the inlet end the outlet end of the fourth valve 404 is normally closed valve 502 is provided with a second valve between a first inlet end and the outlet end 401 of the second valve 402. 有利地,第一阀401、第二阀402、第三阀403和第四阀404均为球阀。 Advantageously, the first valve 401, second valve 402, third valve 403 and fourth valve 404 are ball valves.

[0021] 这里的进水口与出水口应作广义理解,即可以是形成在热水器上的通孔,也可以是与该通孔连通的一段水管。 [0021] where the inlet and outlet should be interpreted broadly, i.e., a through hole may be formed on the heater, it may be a section of pipe in communication with the through hole.

[0022] 另外需要说明的是,燃气热水器10的第一进水口101适于与自来水等市政供水系统相连。 [0022] Note further that the gas water heater 101 of the first inlet 10 adapted to be connected with the water like municipal water systems.

[0023] 当用户需要使用热水时(此时,第一阀401,第二阀402,第三阀403和第四阀404均处于打开状态),自来水通过第一进水口101进入燃气热水器10,燃气热水器10检测有水流经过后启动,冷水经加热后达到设置温度并从第一出水口102恒温输出。 [0023] When a user wants to use hot water (in this case, the first valve 401, second valve 402, third valve 403 and fourth valve 404 are in the open state), the water heater 101 into the gas inlet 10 through a first , gas water heater 10 is detected after start water flow, the cold water reaches the set temperature after the heating and temperature outputted from the first outlet 102. 燃气热水器10恒温输出的热水从电热水器20的第二进水口201流入,当电热水器20检测水箱水温低于设置温度时,电加热管启动将水加热到设置温度停止;若检测到水箱的水温大于等于设置温度,电加热管不启动,热水直接从电热水器20的第二出水口202流出到达用水单元301,302,303,304 中的任一处。 Hot gas water heater thermostat 10 flows from the electrical output 201 of the second inlet 20 of the water heater, the electric heater 20 when the water temperature detected is lower than the set temperature, electric heating start heating water to a set temperature is stopped; if the detected tank water temperature not less than the set temperature, the electric heating tube is not started, hot water 202 flows directly from the outlet of the second electric heater 20 reaches the water according to any one of 301, 302 units.

[0024] 当燃气热水器10无法正常通水时,此时关闭设在燃气热水器10上的第一阀401和第二阀402,同时打开第一常闭阀501,自来水不流经燃气热水器10而直接通过第一常闭阀501流入电热水器20中,经电热水器20加热的水从电热水器20的第二出水口202流出。 [0024] When the gas heater 10 through the water can not properly, this time off the gas water heater 10 is provided on the first valve 401 and second valve 402 while opening the first normally-closed valve 501, water does not flow through the gas water heater 10 directly through a first normally-closed valve 501 flows into the water heater 20, the heater 20 is heated by water flowing from the electric power 202 of the second outlet 20 of the water heater.

[0025] 当电热水器20无法正常通水时,此时关闭设在电热水器20上的第三阀403和第四阀404,同时打开第二常闭阀502,燃气热水器10流出的热水不流经电热水器20而直接通过第二常闭阀502流至用水单元301,302,303,304中的任一处。 [0025] When the electric water heaters 20 can not pass properly, this time off the water heater 20 is provided on the third valve 403 and fourth valve 404 while opening the second normally-closed valve 502, the gas flowing hot water heater 10 is not flowing through the electric heater 20 directly through the second normally-closed valve 502 to the flow of water according to any one of 301, 302 units.

[0026] 根据本实用新型的热水器装置,将燃气热水器的出水口与电热水器的进水口串联,实现燃电互补、使用可靠。 [0026] The heater apparatus of the present invention according to the gas water heater outlet and inlet of the water heater in series to achieve complementary electrical fuel use and reliable.

[0027] 根据本实用新型的一个示例,所述热水器装置还包括泄压阀60,泄压阀60设在第二进水口201上。 [0027] According to the present invention novel one example, the heater means further comprises a pressure relief valve 60, pressure relief valve 60 is provided in the second inlet 201. 有利地,泄压阀60在第二进水口201上位于第三阀403的下游(图1中的箭头示出了水流方向,这里的下游是指顺着箭头所指的方向)。 Advantageously, the relief valve 60 is located downstream of the third valve 403 in the second inlet 201 (arrow in FIG. 1 shows a flow direction, downstream along the direction herein refers to the arrow).

[0028] 根据本实用新型的热水器装置,当燃气热水器10或电热水器20出现故障不能正常通水时,采用第一阀401,第二阀402,第三阀403和第四阀404以及第一常闭阀501和第二常闭阀502的通断来切换燃气热水器10和电热水器20,把其中有故障的热水器屏蔽掉,实现燃热互补、使用可靠。 [0028] The heater apparatus of the present invention according to the gas heater 10 when the electric heater 20 fails or does not properly pass water, with a first valve 401, second valve 402, third valve 403 and fourth valve 404 and the first normally closed valve 501 and a normally closed second on-off valve 502 is switched to gas water heaters and electric water heaters 10 20, wherein the masked faulty heater, combustion heat to achieve complementary reliable.

[0029] 在本实用新型的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底” “内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本实用新型和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本实用新型的限制。 [0029] In the novel description of the practice, to be understood that the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", " front "," rear "," left "," right "," vertical "," horizontal "," top "," bottom "," inner "," outer "," clockwise "," counterclockwise "," axial "," radial "," circumferential orientation or positional relationship "and the like as indicated by the position or orientation based on the relationship shown in the drawings, for convenience of description only and the present invention is to simplify the description, but does not indicate or imply that refers to devices or elements must have a specific orientation, the orientation of a particular configuration and operation, and therefore not be construed as limiting the present novel practical pair.

[0030] 此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。 [0030] In addition, the terms "first", "second" are used to indicate or imply relative importance or the number of technical features specified implicitly indicated the purpose of description and should not be understood. 由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。 Thus, there is defined "first", "second" features may be explicitly or implicitly include one or more of the features. 在本实用新型的描述中,“多个”的含义是两个以上,除非另有明确具体的限定。 In the description of the new practice, the meaning of "more" is two or more, unless specifically defined otherwise specifically.

[0031] 在本实用新型中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。 [0031] In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "connected," "fixed" and like terms are to be broadly understood, for example, may be a fixed connection, may be is detachably connected to, or integrally; may be a mechanical connector, may be electrically connected; may be directly connected, can also be connected indirectly through intervening structures, it may be interaction between the two internal communicating elements or two elements. 对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本实用新型中的具体含义。 Those of ordinary skill in the art, to be understood that the specific meanings in the present invention in accordance with specific circumstances.

[0032] 在本实用新型中,除非另有明确的规定和限定,第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触,或第一和第二特征通过中间媒介间接接触。 [0032] In the present invention, unless otherwise expressly specified and defined, characterized in that the first "on" a second or "lower" may be in direct contact with the first and second characteristic or the first and second feature indirect contact via an intermediary. 而且,第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方,或仅仅表示第一特征水平高度高于第二特征。 Also, the first feature a second feature in the "on", "above" and "upper" But first feature a second feature directly above or obliquely upward or simply represents a first characteristic level is higher than the height of the second feature. 第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方,或仅仅表示第一特征水平高度小于第二特征。 In the first feature a second feature "beneath", "below" and "lower" may be just below the first feature or the second feature obliquely downward, or just less than the level represented by the first feature a second feature.

[0033] 在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本实用新型的至少一个实施例或示例中。 [0033] In the description of the present specification, reference to the term "one embodiment," "some embodiments", "an example", "a specific example", or "some examples" means that a description of the exemplary embodiment or embodiments described a particular feature, structure, material, or characteristic included in the present invention at least one embodiment or examples. 在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。 In the present specification, a schematic representation of the above terms must not be the same for the embodiment or exemplary embodiments. 而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。 Furthermore, the particular features, structures, materials, or characteristics described may be in any one or more embodiments or examples combined in suitable manner. 此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。 Furthermore, different embodiments or examples and embodiments or features of different exemplary embodiments without conflicting, those skilled in the art described in this specification can be combined and the combination thereof.

[0034] 尽管上面已经示出和描述了本实用新型的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本实用新型的限制,本领域的普通技术人员在本实用新型的范围内可以对上述实施例进行变化、修改、替换和变型。 [0034] Although the above has been illustrated and described, the present invention embodiment, it is understood that the above embodiments are exemplary and are not to be understood as the present novel limiting practical, those of ordinary skill in the art of the present invention It may be made within the scope of the above-described embodiment, variations, modifications, alternatives, and modifications.

Claims (5)

  1. 1.一种热水器装置,其特征在于,包括: 燃气热水器,所述燃气热水器具有第一进水口和第一出水口; 电热水器,所述电热水器具有第二进水口和第二出水口,所述第一出水口与所述第二进水口相连;和多个用水单元,所述多个用水单元分别与所述第二出水口相连; 其中,所述第一进水口上设有第一阀,所述第一出水口上设有第二阀,所述第二进水口上设有第三阀,所述第二出水口上设有第四阀,所述第一阀的进口端与所述第二阀的出口端之间设有第一常闭阀,所述第三阀的进口端与所述第四阀的出口端设有第二常闭阀。 A hot water apparatus, characterized by comprising: a gas water heater, a gas water heater having a first inlet and a first outlet; electric water heaters, electric water heater having a second inlet and second outlet, the said first outlet and the second inlet is connected; water and a plurality of units, said units are respectively connected to the plurality of water to the second outlet; wherein the first inlet is provided with a first outlet valve the first outlet is provided with a second valve, said third valve is provided with a second inlet, said fourth valve is provided with a second outlet, the first valve and the inlet end of the a first normally closed valve, the third valve inlet end and the outlet end of the fourth valve is provided with a second normally-closed valve between the outlet end of said second valve.
  2. 2.根据权利要求1所述的热水器装置,其特征在于,还包括泄压阀,所述泄压阀设在所述第二进水口上。 2. A hot water apparatus according to claim 1, characterized in that, further comprising a pressure relief valve, the relief valve is provided in the second inlet.
  3. 3.根据权利要求2所述的热水器装置,其特征在于,所述泄压阀在所述第二进水口上位于所述第三阀的下游。 3. A hot water apparatus according to claim 2, wherein said pressure relief valve downstream of the second inlet valve is in the third.
  4. 4.根据权利要求1-3中任一项所述的热水器装置,其特征在于,所述第一阀、所述第二阀、所述第三阀和所述第四阀均为球阀。 The hot water apparatus according to any one of the preceding claims, characterized in that the first valve, the second valve, the third valve and the fourth valve are ball valves.
  5. 5.根据权利要求1-3中任一项所述的热水器装置,其特征在于,多个所述用水单元为冷热水龙头和/或冷热水花洒。 The heater device according to any of claims 1-3, wherein the plurality of units Mixer with water and / or cold water shower.
CN 201420522972 2014-09-11 2014-09-11 Water heater installations CN204153956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201420522972 CN204153956U (en) 2014-09-11 2014-09-11 Water heater installations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201420522972 CN204153956U (en) 2014-09-11 2014-09-11 Water heater installations

Publications (1)

Publication Number Publication Date
CN204153956U true CN204153956U (en) 2015-02-11

Family

ID=52512065

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201420522972 CN204153956U (en) 2014-09-11 2014-09-11 Water heater installations

Country Status (1)

Country Link
CN (1) CN204153956U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104819557A (en) * 2015-05-06 2015-08-05 芜湖美的厨卫电器制造有限公司 Domestic hot water system
CN104848551A (en) * 2015-05-15 2015-08-19 芜湖美的厨卫电器制造有限公司 Combustion electric complementary hot water system and control method thereof
CN105042869A (en) * 2015-06-24 2015-11-11 芜湖美的厨卫电器制造有限公司 Temperature control method for gas and power complementary hot water system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104819557A (en) * 2015-05-06 2015-08-05 芜湖美的厨卫电器制造有限公司 Domestic hot water system
CN104819557B (en) * 2015-05-06 2017-11-14 芜湖美的厨卫电器制造有限公司 Domestic Hot Water Systems
CN104848551A (en) * 2015-05-15 2015-08-19 芜湖美的厨卫电器制造有限公司 Combustion electric complementary hot water system and control method thereof
CN104848551B (en) * 2015-05-15 2017-11-14 芜湖美的厨卫电器制造有限公司 Hot combustion complementary electrical system and control method
CN105042869A (en) * 2015-06-24 2015-11-11 芜湖美的厨卫电器制造有限公司 Temperature control method for gas and power complementary hot water system
CN105042869B (en) * 2015-06-24 2018-03-16 芜湖美的厨卫电器制造有限公司 Complementary electrical ignition temperature hot water system control method

Similar Documents

Publication Publication Date Title
CN203824042U (en) Hot water system
CN2629599Y (en) Electric coffee-oven steam-chamber water-inlet tube device
CN202020296U (en) Multifunctional preheated drinking water machine
CN201007544Y (en) Constant temperature hot water supply device of water heater
CN202361638U (en) Cold water circulating type electric water heater
CN2729586Y (en) Solar water heater with plate heat collecter built in balcony
CN101655261A (en) Gas heater matched device capable of supplying hot water while starting
CN201593859U (en) Full-automatic pure water quick heating water boiler
CN203687333U (en) Double-heating integrated water heater
CN202993576U (en) Water heater system
CN201983415U (en) Secondary heat exchange type fuel-gas water heater
CN203605487U (en) Solar water heating system with auxiliary gas heating function
CN2723910Y (en) Flat plate split non-bearing pressure type solar energy water heater
CN201724409U (en) Circulating heating system of water heater
CN200986295Y (en) Under type electric water heater
CN201045519Y (en) Solar energy hot-cold water mixing device
CN201973861U (en) Gas water heater with a plurality of burners
CN201935375U (en) Novel electric water heater of faucet
CN202792486U (en) Cold water returning gas water heater
CN203309989U (en) Heating device assembly
CN203785252U (en) Circulation type heat-pump water heater
CN204063265U (en) water supply system
CN204574515U (en) Device for domestic hot water
CN202040959U (en) Solar complementary special constant temperature gas water heater
CN203848484U (en) 10-second instant electric water heater

Legal Events

Date Code Title Description
C14 Granted