CN202547068U - Water-storage quick-heating combined constant-temperature electric water heater - Google Patents
Water-storage quick-heating combined constant-temperature electric water heater Download PDFInfo
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- CN202547068U CN202547068U CN201220058544XU CN201220058544U CN202547068U CN 202547068 U CN202547068 U CN 202547068U CN 201220058544X U CN201220058544X U CN 201220058544XU CN 201220058544 U CN201220058544 U CN 201220058544U CN 202547068 U CN202547068 U CN 202547068U
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Abstract
The utility model provides a water-storage quick-heating combined constant-temperature electric water heater which comprises a shell, and a water-storage electric water heater, an instant electric water heater, a temperature-adjustable constant-temperature water mixing valve, a control circuit board, an operating display panel and the like which are contained in the shell, wherein a preheating water outlet pipe of the water-storage electric water heater is communicated with an instant heating water inlet of the instant electric water heater through a connecting pipe; a cold water inlet pipe is connected to the preheating water inlet pipe of the water-storage electric water heater; both ends of a hot water outlet pipe are connected with an instant heating water outlet and the temperature-adjustable constant-temperature water mixing valve; a temperature-adjustable water pipe communicates the temperature-adjustable constant-temperature water mixing valve and the cold water inlet pipe through a T joint; the water outlet of the temperature-adjustable constant-temperature water mixing valve is connected with a hot water outlet joint; and the T joint is connected with a cold water joint. When in use, hot water from the instant electric water heater is subjected to automatic temperature adjustment by the temperature-adjustable constant-temperature water mixing valve so as to output hot water suitable for people. The utility model is convenient to mount and use, and has the characteristic of beautiful appearance.
Description
Technical field
The utility model relates to bathing and uses electric heater, especially the fast hot combined electrical water heater of water storage.
Background technology
The electric heater that family installs and uses has storage-type electric water heater, instantaneous water heater and pre-heated instant heating quick electric water heater usually.Pre-heated instant heating quick electric water heater overcomes the shortcoming that instantaneous water heater's power is big, the storage-type electric water heater volume is big and firing rate is slow; Have that electric heating element power is reasonable, volume is little and advantage such as firing rate is fast; Can adapt to various environment and use, more and more receive people's welcome.
The leaving water temperature of existing electric heater can not be regulated usually; The hot water of its output higher temperature need add the hot water that hot water that mixed water valve (manually mix water valve or electric operated thermostatic and mix water valve) comes out electric heater and a certain proportion of cold water mix become suitable temperature during use.This structure that adds mixed water valve has increased the installation cost of electric heater, uses also inconvenient.
The utility model content
The purpose of the utility model provides the fast hot combined type thermostatic electric water heater of a kind of water storage, but it is built-in with the temperature adjustment constant-temperature water mixing valve, and this water heater has installation, characteristics easy to use.
The utility model is realized through following approach:
The fast hot combined type thermostatic electric water heater of a kind of water storage includes a housing and the storage-type electric water heater, instant-heating electric water heater, control circuit board and the operation display board that are contained within the housing;
Storage-type electric water heater includes storage tank, preheating calandria, preheating water inlet pipe, preheating outlet pipe and preheating temperature controller;
Instant-heating electric water heater is provided with instant heating calandria, instant heating water inlet, is hot water outlet and instant heating temperature controller;
The preheating outlet pipe of storage-type electric water heater is connected logical with the instant heating water inlet of instant-heating electric water heater with tube connector.
Cold water inlet is connected to the preheating water inlet pipe of storage-type electric water heater, is serially connected with water flow switch on the cold water inlet, and what the hot water outlet pipe was connected to instant-heating electric water heater is hot water outlet;
But the temperature adjustment constant-temperature water mixing valve places in the housing; But hot water outlet pipe's the other end is connected to one of them water inlet of temperature adjustment constant-temperature water mixing valve; But the temperature adjustment water pipe through three-way connection will the temperature adjustment constant-temperature water mixing valve another water inlet be connected with cold water inlet and lead to; But the delivery port of temperature adjustment constant-temperature water mixing valve connects hot water effluent's joint, and three-way connection connects the cold water joint, but the temperature adjustment constant-temperature water mixing valve is electrically connected to control circuit board.
The electrode and the instant heating temperature controller of the instant heating calandria of the electrode of operation display board, water flow switch, preheating calandria and preheating temperature controller, instant-heating electric water heater are electrically connected to control circuit board respectively.
The preheating temperature controller includes preset temperature inductive switch and anti-dry thermal switch, and they are installed on the connecting plate place of storage tank or preheating calandria and are connected in series with the preheating calandria;
The instant heating temperature controller includes preset temperature inductive switch and anti-dry thermal switch, and they are installed on the instant-heating electric water heater and with the instant heating calandria and are connected in series;
Above structure is external instant-heating electric water heater structure, adopts horizontal storage tank usually;
Another kind of structure is to adopt the built-in instant-heating electric water heater structure of vertical storage tank, and it comprises housing and the water storage casing, control circuit board and the operation display board that are contained within the housing;
The bottom is provided with the preheating heat-generating pipe in the water storage casing, and it is hot heater that water storage casing internal upper part is provided with; The bottom of water storage casing is provided with water inlet and connects water inlet pipe, water storage casing top be to be provided with delivery port in the hot heater and to connect the hot water outlet pipe, be serially connected with water flow switch on water inlet pipe or the hot water outlet pipe;
But hot water outlet pipe's outer end is connected to one of them water inlet of temperature adjustment constant-temperature water mixing valve; But a temperature adjustment water pipe through three-way connection will the temperature adjustment constant-temperature water mixing valve another water inlet be connected with water inlet pipe and lead to; But the delivery port of temperature adjustment constant-temperature water mixing valve connects hot water effluent's joint, and three-way connection connects the cold water joint; But the temperature adjustment constant-temperature water mixing valve is electrically connected to control circuit board;
The electrode and the instant heating temperature controller of the electrode of operation display board, water flow switch, preheating calandria and preheating temperature controller, instant heating calandria are electrically connected to control circuit board respectively;
Prioritization scheme is: said is that hot heater is the electric heating tube that has cage, and cage has the opening that is communicated with the storage tank intracorporeal space.
No matter be external instant-heating electric water heater structure or built-in instant-heating electric water heater structure; Can be through the design of control circuit board with the operation display board; Can select various heating modes; For example: preheating heating, instant heating heating, timing heating etc., can regulate setting leaving water temperature (using the hot water water temperature) through the operation display board;
The instant heating heating mode carries out Fast Heating by the instant heating calandria work in the instant-heating electric water heater to the water in the instant-heating electric water heater of flowing through, and directly exports hot water, uses when suitable environment temperature is higher;
The preheating heating mode is preheated the water in the storage tank by the preheating calandria work in the storage-type electric water heater, its objective is when environment temperature is low, can make the hot water of instant-heating electric water heater output sufficient temp, is fit to use under the cold environment temperature.
During use, the hot water that comes out through instant-heating electric water heater, but carry out temperature adjustment through the temperature adjustment constant-temperature water mixing valve again, make output be fit to the hot water that people use (take a shower etc.).
The utility model has following characteristics:
1. the utlity model has characteristics easy for installation, as long as the cold water joint is received the running water water source, hot water effluent's joint is received tap or valve gets final product;
2. the utlity model has characteristics easy to use, need not to regulate the hot water that mixes water valve and obtain steady temperature automatically during use;
3. but built-in temperature adjustment constant-temperature water mixing valve makes the profile of electric heater more attractive in appearance.
Through accompanying drawing the utility model is further described below.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Fig. 2 is that the circuit of Fig. 1 structure connects sketch map.
Fig. 3 is the another kind of structural representation of the utility model.
Fig. 4 is that the circuit of Fig. 3 structure connects sketch map.
The specific embodiment
Embodiment one
With reference to figure 1 and Fig. 2, a kind of pre-heated instant heating thermostatic electric water heater, but include a housing 16 and the storage-type electric water heater temperature adjustment constant-temperature water mixing valve 9, instant-heating electric water heater 7, control circuit board 14 and the operation display board 15 that are contained within the housing 16;
Storage-type electric water heater includes storage tank 2, preheating calandria 4, preheating water inlet pipe, preheating outlet pipe 5 and preheating temperature controller; The preheating temperature controller includes preset temperature inductive switch and anti-dry thermal switch, and they are installed on the connecting plate place of storage tank 2 or preheating calandria 4 and are connected in series with preheating calandria 4.
Instant-heating electric water heater 7 is provided with instant heating calandria, instant heating water inlet, is hot water outlet and instant heating temperature controller; The instant heating temperature controller includes preset temperature inductive switch and anti-dry thermal switch, and they are installed on the instant-heating electric water heater 7 and with the instant heating calandria and are connected in series.
The preheating outlet pipe 5 of storage-type electric water heater is connected logical with the instant heating water inlet of instant-heating electric water heater 7 with tube connector 6;
What an end of hot water outlet pipe 8 was connected to instant-heating electric water heater 7 is hot water outlet; But hot water outlet pipe 8 the other end is connected to one of them water inlet of temperature adjustment constant-temperature water mixing valve 9; But temperature adjustment water pipe 12 through three-way connection 13 will temperature adjustment constant-temperature water mixing valve 9 another water inlet be connected with cold water inlet 1 and lead to; But the delivery port of temperature adjustment constant-temperature water mixing valve 9 connects hot water effluent's joint 10, and three-way connection 13 connects cold water joint 11.
But the electrode and the instant heating temperature controller of the electrode of operation display board 15 temperature adjustment constant-temperature water mixing valves 9, water flow switch 3, preheating calandria 4 and preheating temperature controller, instant heating calandria are electrically connected to control circuit board 14 respectively;
Through the design of control circuit board 14, can select various heating modes, for example: preheating heating, instant heating heating, timing heating etc. with operation display board 15; Can regulate through operation display board 15 and set leaving water temperature (using the hot water water temperature).
The instant heating heating mode carries out Fast Heating by the work of the instant heating calandria in the instant-heating electric water heater 7 to the water in the instant-heating electric water heater 7 of flowing through from storage tank 2, directly exports hot water, is fit to non-cold ambient temperature and uses;
The preheating heating mode is by 4 work of the preheating calandria in the storage-type electric water heater; Water in the storage tank 2 preheats; Its objective is when environment temperature is low; Can make the warm water of deposit uniform temperature in the storage tank 2, make instant-heating electric water heater 7 can export the hot water of sufficient temp, be fit to cold ambient temperature and use.
During installation cold water joint 11 is received the running water water source, hot water effluent's joint 10 is received tap or threshold switch, control circuit board 14 is electrically connected to power supply;
During use, through operation display board 15 selected heating modes, for example: preheating heating, instant heating heating, timing heating etc., regulate setting leaving water temperature (using the hot water water temperature) through operation display board 15 again.The hot water that comes out through instant-heating electric water heater 7, but carry out automatic temperature-control through temperature adjustment constant-temperature water mixing valve 9 again, make output be fit to the hot water that people use (take a shower etc.).
Embodiment two
With reference to figure 3 and Fig. 4, the fast hot combined type thermostatic electric water heater of a kind of single inner bag water storage, but comprise housing 16 and the water storage casing 2, control circuit board 14, operation display board 15 and the temperature adjustment constant-temperature water mixing valve 9 that are contained within the housing 16; The bottom is provided with preheating heat-generating pipe 40 in the water storage casing 2, and it is hot heater 70 that top is provided with; Said is that hot heater 70 is the electric heating tubes that have cage; Cage has the opening with the interior spatial communication of water storage casing (2); The bottom of water storage casing 2 is provided with water inlet and connects water inlet pipe 1; Water storage casing 2 tops are provided with and are the delivery port that is communicated with in the hot heater 70 and are connected outlet pipe 8, are serially connected with water flow switch 3 (water flow switch 3 also can be serially connected on the water inlet pipe) on the outlet pipe 8; But the outer end of outlet pipe 8 connect temperature adjustment constant-temperature water mixing valve 9 one of them water inlet; But a temperature adjustment water pipe 12 is connected another water inlet that temperature-adjusting constant temperature mixes water 9 logical through three-way connection 13 with water inlet pipe 1; But the delivery port of temperature adjustment constant-temperature water mixing valve 9 connects hot water effluent's joint 10, and three-way connection 13 connects cold water joint 11.
The electrode of operation display board 15, water flow switch 3, preheating heat-generating pipe 40, be but that the electrode temperature adjustment constant-temperature water mixing valve 9 of hot heater 70 is electrically connected to control circuit board 14 respectively;
Preheating heat-generating pipe 40 is serially connected with preset temperature inductive switch (not shown) and anti-dry thermal switch (not shown) respectively with the electrode that is hot heater 70.
Through the design of control circuit board 14 with operation display board 15, can select various heating modes, for example: preheating heating, instant heating heating, timing heating etc., can regulate setting leaving water temperature (using the hot water water temperature) through operation display board 15.
The instant heating heating mode is that the water of hot heater 70 carries out Fast Heating in storage tank 2, flowing through by being hot heater 70 work, directly exports hot water, is suitable for non-cold ambient temperature and uses;
The preheating heating mode is by 40 work of preheating heat-generating pipe; Water in the storage tank 2 preheats, and its objective is when environment temperature is low, makes the warm water of deposit uniform temperature in the storage tank 2; Make instant heating add the hot water that device 70 can be exported sufficient temp, be fit to cold ambient temperature and use.
During installation cold water joint 11 is received the running water water source, hot water effluent's joint 14 is received tap or threshold switch, control circuit board 14 is electrically connected to power supply;
During use, through operation display board 15 selected heating modes, for example: preheating heating, instant heating heating, timing heating etc., regulate setting leaving water temperature (using the hot water water temperature) through operation display board 15 again.Through being the hot water that hot heater 70 comes out, but carry out automatic temperature-control, make output be fit to the hot water that people use (take a shower etc.) through temperature adjustment constant-temperature water mixing valve 9.
Claims (3)
1. the fast hot combined type thermostatic electric water heater of water storage includes a housing (16) and is contained within storage-type electric water heater, instant-heating electric water heater (7), control circuit board (14) and the operation display board (15) in the housing (16);
Storage-type electric water heater includes storage tank (2), preheating calandria (4), preheating water inlet pipe, preheating outlet pipe (5) and preheating temperature controller;
Instant-heating electric water heater (7) is provided with instant heating calandria, instant heating water inlet, is hot water outlet and instant heating temperature controller;
The preheating outlet pipe (5) of storage-type electric water heater is connected logical with the instant heating water inlet of instant-heating electric water heater (7) with tube connector (6);
Cold water inlet (1) is connected to the preheating water inlet pipe of storage-type electric water heater, is serially connected with water flow switch (3) on the cold water inlet (1);
What hot water outlet pipe (8) was connected to instant-heating electric water heater (7) is hot water outlet;
The instant heating calandria electrode and the instant heating temperature controller of the electrode of operation display board (15), water flow switch (3), preheating calandria (4) and preheating temperature controller, instant-heating electric water heater (7) are electrically connected to control circuit board (14) respectively;
It is characterized in that: but temperature adjustment constant-temperature water mixing valve (9) places in the housing (16); Hot water outlet pipe (8) but the other end be connected to one of them water inlet of temperature adjustment constant-temperature water mixing valve (9); Temperature adjustment water pipe (12) through three-way connection (13) but another water inlet that will temperature adjustment constant-temperature water mixing valve (9) be connected with cold water inlet (1) and lead to; But the delivery port of temperature adjustment constant-temperature water mixing valve (9) connects hot water effluent's joint (10); Three-way connection (13) connects cold water joint (11), but temperature adjustment constant-temperature water mixing valve (9) is electrically connected to control circuit board (14).
2. the fast hot combined type thermostatic electric water heater of water storage comprises housing (16) and is contained within water storage casing (2), control circuit board (14) and the operation display board (15) in the housing (16);
The interior bottom of water storage casing (2) is provided with preheating heat-generating pipe (40); It is hot heater (70) that water storage casing (2) internal upper part is provided with; The bottom of water storage casing (2) is provided with water inlet and connects water inlet pipe (1); Water storage casing (2) top be to be provided with delivery port in the hot heater (70) and to connect hot water outlet pipe (8), be serially connected with water flow switch (3) on water inlet pipe (1) or the hot water outlet pipe (8); The electrode of operation display board (15), water flow switch (3), preheating heat-generating pipe (40), be that the electrode of hot heater (70) is electrically connected to control circuit board (14) respectively;
It is characterized in that: hot water outlet pipe (8) but the outer end connect one of them water inlet of temperature adjustment constant-temperature water mixing valve (9); One temperature adjustment water pipe (12) through three-way connection (13) but another water inlet that will temperature adjustment constant-temperature water mixing valve (9) be connected with water inlet pipe (1) and lead to; But the delivery port of temperature adjustment constant-temperature water mixing valve (9) connects hot water effluent's joint (10); Three-way connection (13) connects cold water joint (11), but temperature adjustment constant-temperature water mixing valve (9) is electrically connected to control circuit board (14).
3. the pre-heated fast hot thermostatic electric water heater of single inner bag according to claim 2 is characterized in that: said is that hot heater is the electric heating tube that has cage, and cage has the opening with the interior spatial communication of water storage casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220058544XU CN202547068U (en) | 2012-02-22 | 2012-02-22 | Water-storage quick-heating combined constant-temperature electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220058544XU CN202547068U (en) | 2012-02-22 | 2012-02-22 | Water-storage quick-heating combined constant-temperature electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547068U true CN202547068U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220058544XU Expired - Fee Related CN202547068U (en) | 2012-02-22 | 2012-02-22 | Water-storage quick-heating combined constant-temperature electric water heater |
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| CN (1) | CN202547068U (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206782A (en) * | 2013-04-16 | 2013-07-17 | 佛山市顺德区欧必德热能科技有限公司 | Premixing type integrated electric water heater |
| CN104034016A (en) * | 2014-02-21 | 2014-09-10 | 刘运柳 | Heating device for water storage type water heater |
| CN104930690A (en) * | 2014-03-20 | 2015-09-23 | 广东顺德光晟电器股份有限公司 | Quick-heating type electric water heater |
| CN104949319A (en) * | 2014-03-26 | 2015-09-30 | 广东顺德光晟电器股份有限公司 | Instantaneous electric water heater |
| CN104976753A (en) * | 2014-04-11 | 2015-10-14 | 广东顺德光晟电器股份有限公司 | Rapid-heating type electric water heater |
| CN105258325A (en) * | 2015-09-08 | 2016-01-20 | 铳领实业有限公司 | Water-storage water heater and control system thereof |
| CN105444404A (en) * | 2015-10-26 | 2016-03-30 | 重庆光煦科技有限公司 | Efficient solar water heater |
| CN105571107A (en) * | 2014-10-06 | 2016-05-11 | 广东顺德光晟电器股份有限公司 | Instantaneous electric water heater with pressure regulation function |
| CN105650853A (en) * | 2014-12-03 | 2016-06-08 | 广东顺德光晟电器股份有限公司 | External-arrangement fast heating type central electric water heater with pressure reduction function |
| WO2016086839A1 (en) * | 2014-12-03 | 2016-06-09 | 广东顺德光晟电器股份有限公司 | Central electric water heater having depressurization function |
| WO2016086840A1 (en) * | 2014-12-03 | 2016-06-09 | 广东顺德光晟电器股份有限公司 | Air energy water heater having pressure reducing function |
| CN106052088A (en) * | 2016-07-22 | 2016-10-26 | 中山市领锋电器有限公司 | Circulating pre-heating and constant-temperature electric water heater with external heater |
| CN106091365A (en) * | 2016-08-03 | 2016-11-09 | 范刚 | A kind of Apparatus and method for keeping far point hot water constant temperature |
| CN106288421A (en) * | 2015-05-16 | 2017-01-04 | 广东顺德光晟电器股份有限公司 | Quasiconductor or luminous energy heat and have the solar water heater of decompression |
| CN106288422A (en) * | 2015-05-16 | 2017-01-04 | 广东顺德光晟电器股份有限公司 | There are the external quasiconductor of pressure adjusting function or the solar water heater of luminous energy heating |
| CN108592381A (en) * | 2018-05-03 | 2018-09-28 | 浙江长兴亿安贝电器有限公司 | A kind of storage-type electric water heater of the external heating device of band |
| CN108844215A (en) * | 2015-08-07 | 2018-11-20 | 陈非 | Quick electric water heater |
| CN109008731A (en) * | 2018-06-26 | 2018-12-18 | 佛山市顺德区欧必德热能科技有限公司 | Bathroom cabinet |
| CN110159803A (en) * | 2018-06-11 | 2019-08-23 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN111854150A (en) * | 2020-06-23 | 2020-10-30 | 江苏大学 | Circulation water-saving type electric hot water shower system |
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2012
- 2012-02-22 CN CN201220058544XU patent/CN202547068U/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206782A (en) * | 2013-04-16 | 2013-07-17 | 佛山市顺德区欧必德热能科技有限公司 | Premixing type integrated electric water heater |
| CN104034016A (en) * | 2014-02-21 | 2014-09-10 | 刘运柳 | Heating device for water storage type water heater |
| CN104930690A (en) * | 2014-03-20 | 2015-09-23 | 广东顺德光晟电器股份有限公司 | Quick-heating type electric water heater |
| CN104949319A (en) * | 2014-03-26 | 2015-09-30 | 广东顺德光晟电器股份有限公司 | Instantaneous electric water heater |
| CN104976753A (en) * | 2014-04-11 | 2015-10-14 | 广东顺德光晟电器股份有限公司 | Rapid-heating type electric water heater |
| CN105571107A (en) * | 2014-10-06 | 2016-05-11 | 广东顺德光晟电器股份有限公司 | Instantaneous electric water heater with pressure regulation function |
| CN105650853A (en) * | 2014-12-03 | 2016-06-08 | 广东顺德光晟电器股份有限公司 | External-arrangement fast heating type central electric water heater with pressure reduction function |
| WO2016086839A1 (en) * | 2014-12-03 | 2016-06-09 | 广东顺德光晟电器股份有限公司 | Central electric water heater having depressurization function |
| WO2016086840A1 (en) * | 2014-12-03 | 2016-06-09 | 广东顺德光晟电器股份有限公司 | Air energy water heater having pressure reducing function |
| CN106288421A (en) * | 2015-05-16 | 2017-01-04 | 广东顺德光晟电器股份有限公司 | Quasiconductor or luminous energy heat and have the solar water heater of decompression |
| CN106288422A (en) * | 2015-05-16 | 2017-01-04 | 广东顺德光晟电器股份有限公司 | There are the external quasiconductor of pressure adjusting function or the solar water heater of luminous energy heating |
| CN108844215A (en) * | 2015-08-07 | 2018-11-20 | 陈非 | Quick electric water heater |
| CN105258325A (en) * | 2015-09-08 | 2016-01-20 | 铳领实业有限公司 | Water-storage water heater and control system thereof |
| CN105444404A (en) * | 2015-10-26 | 2016-03-30 | 重庆光煦科技有限公司 | Efficient solar water heater |
| CN106052088A (en) * | 2016-07-22 | 2016-10-26 | 中山市领锋电器有限公司 | Circulating pre-heating and constant-temperature electric water heater with external heater |
| CN106052088B (en) * | 2016-07-22 | 2022-03-25 | 中山市领锋电器有限公司 | External circulation preheating and constant temperature electric water heater of heater |
| CN106091365A (en) * | 2016-08-03 | 2016-11-09 | 范刚 | A kind of Apparatus and method for keeping far point hot water constant temperature |
| CN108592381A (en) * | 2018-05-03 | 2018-09-28 | 浙江长兴亿安贝电器有限公司 | A kind of storage-type electric water heater of the external heating device of band |
| CN110159803A (en) * | 2018-06-11 | 2019-08-23 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN110159803B (en) * | 2018-06-11 | 2021-08-27 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN109008731A (en) * | 2018-06-26 | 2018-12-18 | 佛山市顺德区欧必德热能科技有限公司 | Bathroom cabinet |
| CN109008731B (en) * | 2018-06-26 | 2024-01-12 | 佛山市顺德区欧必德热能科技有限公司 | Bathroom cabinet |
| CN111854150A (en) * | 2020-06-23 | 2020-10-30 | 江苏大学 | Circulation water-saving type electric hot water shower system |
| CN111854150B (en) * | 2020-06-23 | 2021-12-14 | 江苏大学 | Circulation water-saving type electric hot water shower system |
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