CN106361161A - Rapid water heating device and control method thereof - Google Patents

Rapid water heating device and control method thereof Download PDF

Info

Publication number
CN106361161A
CN106361161A CN201611012663.0A CN201611012663A CN106361161A CN 106361161 A CN106361161 A CN 106361161A CN 201611012663 A CN201611012663 A CN 201611012663A CN 106361161 A CN106361161 A CN 106361161A
Authority
CN
China
Prior art keywords
water
temperature
rapid
panel
heating device
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201611012663.0A
Other languages
Chinese (zh)
Inventor
陈小平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Viomi Electrical Technology Co Ltd
Original Assignee
Foshan Viomi Electrical Technology Co Ltd
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
Application filed by Foshan Viomi Electrical Technology Co Ltd filed Critical Foshan Viomi Electrical Technology Co Ltd
Priority to CN201611012663.0A priority Critical patent/CN106361161A/en
Publication of CN106361161A publication Critical patent/CN106361161A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/54Water boiling vessels in beverage making machines
    • A47J31/56Water boiling vessels in beverage making machines having water-level controls; having temperature controls
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/46Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/46Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A47J31/462Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank
    • A47J31/467Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank for the infusion
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/58Safety devices

Abstract

The invention relates to a rapid water heating device and a control method thereof. The rapid water heating device in the structure comprises a rapid water heater, a water storage tank, a heating power supplying circuit for supplying power to the rapid water heater and a control panel. The rapid water heater is provided with a water inlet and a water outlet; the water inlet is communicated with the water storage tank through a water suction pump and a flow adjusting valve, a water level sensor for detecting the water level of the water storage tank is arranged in the water storage tank or arranged on a waterway communicated with the water storage tank, and the heating power supplying circuit, the water suction pump, the flow adjusting valve and the water level sensor are electrically connected with the control panel respectively. When the rapid water heating device starts the rapid water heater, as the flow speed of water can be controlled through the water suction pump and the flow adjusting valve, the heat conversion efficiency is improved, and electric energy is further saved; the whole heating device can rapidly heat water, the aim that boiled water is immediately output is achieved, water boiled for a long time can be avoided, and the drinking water health is guaranteed.

Description

Rapid water heating device and its control method
Technical field
The present invention relates to a kind of hot-water heating system, particularly a kind of rapid water heating device and its control method.
Background technology
In net/water dispenser, conventional water mode of heating has built-in hot tank at present.Built-in hot tank is typically entered by heating wire Row heating, then controls the start and stop of heating by temperature controller.This mode of heating often exists water is heated repeatedly with asking of boiling On the one hand topic, heating wastes electric energy repeatedly, and another aspect long-term drink heats repeatedly boils boiled water (" thousand boiling water ") and be unfavorable for People's is healthy.Therefore start in recent years to rise instant heating technique, cold water was heated through heating tube moment, only used Just heat during water, do not heat during without water, which solves the problem of " thousand boiling water ".
The built-in hot tank of existing one kind, has a lower powered heating wire, the current supply circuit of heating wire inside hot tank It is cascaded with mechanical temperature controller, temperature controller is arranged on hot tank body.When water temperature is low, temperature controller closes, and heating wire leads to Electricity work;When water temperature reaches temperature controller working value, temperature controller disconnects, and heating wire power-off quits work.
Heater described in technical scheme one, there is a problem of water is heated repeatedly and boils, and on the one hand heating wastes repeatedly Electric energy, another aspect long-term drink heats repeatedly boils boiled water (" thousand boiling water ") and is unfavorable for that people's is healthy.
Content of the invention
It is an object of the invention to overcoming the shortcomings of that above-mentioned prior art exists, and provide a kind of simple and reasonable, section Can the efficient, rapid water heating device of water yield leaving water temperature precise control and its control method.
The object of the present invention is achieved like this:
A kind of rapid water heating device, supplies including rapid water heater, storage tank, the heating for powering to rapid water heater Circuit and panel, described rapid water heater is provided with water inlet and outlet, it is characterized in that, described water inlet passes through to draw water Pump, flow control valve are connected with storage tank, and the water route being connected in storage tank or with storage tank is provided with for detecting storage tank water The level sensor of position, heating power supply circuits, suction pump, flow control valve and level sensor are electrically connected with panel respectively Connect.The real time water level of described level sensor real-time detection storage tank, and the water level information of storage tank is sent to control core Piece.Described suction pump is extracted into heater the water of storage tank and is heated, and by adjusting the rotating speed of suction pump, can adjust out Water flow velocity.The size that flow control valve can be opened with control valve, and then adjusting water outlet flow velocity.
The purpose of the present invention can also be solved using following technical measures:
As more specifically scheme, described rapid water heater includes water boiling vessels and heater, and heater is arranged on appearance to boil water Device outer surface.
As further scheme, described panel is provided with mechanical type anti-dry circuit, mechanical type anti-dry circuit connected in series Between rapid water heater and heating power supply circuits;Described mechanical type anti-dry circuit is provided with temperature controller, and temperature controller is arranged on Water boiling vessels outer surface close heater.
Described temperature controller is that (Kick type temperature controller is closed type temperature detect switch (TDS) to Kick type temperature controller, is serially connected in heater In current supply circuit, when mechanical thermostat disconnects, heater loses electric power and stops heating) or fuse.
Described panel is provided with the electronic type anti-dry control circuit for controlling heating power supply circuits, and described electronic type is prevented Dry combustion method control circuit is provided with temperature detector, and temperature detector is arranged on heater.
Described temperature detector is temperature sensor.
Described electronic type anti-dry control circuit is additionally provided with control chip and relay, and relay includes relay coil and continues Electric switch, relay coil and temperature sensor are electrically connected with control chip respectively, and relay switch is arranged on heating power supply circuits On.Temperature sensor can detect the temperature of heater surfaces real-time, and temperature information is sent to control chip.Control core The function of piece can be very huge, and it can collect the information of each sensor, and controls heating and the closing of heater.
By way of arranging Mechanical course and two kinds of anti-dry of Electronic Control, it is safe and reliable.Electronic Control anti-dry Mode be using temperature detector respond rapid characteristic, when rapid water heating device is soon close to the moment of dry combustion method temperature, temperature detection Device transmits signals to control circuit, quickly makes the order of power-off by control circuit, thus realizing not doing in temperature controller Go out and first rapid water heating device is protected when reacting;And temperature controller is then the breaker device of an auxiliary, for example, electronics is prevented doing When burning circuit failure, then rapid water heating device is protected by mechanical type anti-dry circuit.
As further scheme, between described storage tank and the water inlet of rapid water heater, it is additionally provided with current sensing Device, water flow sensing unit is electrically connected with panel.Described water flow sensing unit perception storage tank is between rapid water heater Whether water is in flowing, and flow information of water is sent to control chip.
Described storage tank is connected with water purification water supply installation;Described water purification water supply installation includes water inlet pipe, booster pump, reverse osmosiss Filter element, preposition filter element and rearmounted filter element, reverse osmosiss filter element is provided with water inlet, pure water mouth and waste water mouth, water inlet pass through booster pump, Preposition filter element is connected with water inlet pipe, and pure water mouth is connected with storage tank.
Described water purification water supply installation also includes water intaking valve and wastewater valve, water intaking valve be arranged on water inlet before water route on, give up Water valve is connected with waste water mouth.
Described rapid water heating device also includes guidance panel, and guidance panel is electrically connected with panel.
A kind of control method of rapid water heating device, is characterized in that, user is arranged leaving water temperature, gone out by guidance panel The water yield, and controlling information transmission to panel, start heating water exit mode, panel opens flow control valve, and startup is drawn water Pump, starts rapid water heater, temperature sensor real-time detection leaving water temperature, and water temperature information is sent to panel, controls The water temperature that plate sets according to user, automatically adjusts the flow velocity of suction pump, makes leaving water temperature reach user's setting value;When water temperature is less than Setting value, reduces the flow rate pump that draws water;When water temperature is higher than setting value, increase the flow rate pump that draws water;The water that panel sets according to user Temperature, the flux that flow automatic regulation regulating valve is opened, coutroi velocity, make leaving water temperature reach user's setting value;When water temperature is less than Setting value, reduces the flux of flow control valve, reduces flow velocity;When water temperature is higher than setting value, increase the flux of flow control valve, increase Big flow velocity.
When level sensor detects storage tank hydropenia, panel controls rapid water heater to stop heating;Work as temperature When sensor detects the temperature on rapid water heater surface and exceedes setting value safe threshold, panel controls rapid water heater Stop heating;When the temperature on rapid water heater surface reaches the working value of mechanical thermostat, mechanical thermostat disconnects, quickly Water heater stops heating.
Beneficial effects of the present invention are as follows:
(1) when such rapid water heating device starts rapid water heater, due to can be in conjunction with suction pump, Flux Valve Control The flow velocity of water, so that thermal conversion efficiency is improved, further saves energy, whole heater can quickly heat, Reach the instant purpose exporting boiled water, " thousand boiling water " can be prevented it is ensured that drinking-water is healthy.
Brief description
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is another embodiment of the present invention structural representation.
Fig. 3 is further embodiment of this invention structural representation.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment one, a kind of shown in Figure 1, rapid water heating device, including rapid water heater 5, storage tank 2, be used for The heating power supply circuits of rapid water heater 5 power supply and panel, described rapid water heater 5 is provided with water inlet and outlet, Described water inlet passes through suction pump 4, flow control valve 8 is connected with storage tank 2, the water route connecting in storage tank 2 or with storage tank 2 It is provided with the level sensor 1 for detecting storage tank 2 water level, heating power supply circuits, suction pump 4, flow control valve 8 and water level Sensor 1 is electrically connected with panel respectively.
Described rapid water heater 5 includes water boiling vessels and heater, and heater is arranged on water boiling vessels outer surface.
Described panel is provided with mechanical type anti-dry circuit, mechanical type anti-dry circuit connected in series rapid water heater 5 with Between heating power supply circuits;Described mechanical type anti-dry circuit is provided with temperature controller 6, and temperature controller 6 is arranged on water boiling vessels outer surface And near heater.
Described temperature controller 6 is normally closed Kick type temperature controller.
Described panel is provided with the electronic type anti-dry control circuit for controlling heating power supply circuits, and described electronic type is prevented Dry combustion method control circuit is provided with temperature detector, and temperature detector is arranged on heater.
Described temperature detector is temperature sensor 7.
Described electronic type anti-dry control circuit is additionally provided with control chip and relay, and relay includes relay coil and continues Electric switch, relay coil and temperature sensor 7 are electrically connected with control chip respectively, and relay switch is arranged on heating power supply circuits On.
Also include guidance panel, guidance panel is electrically connected with panel.
A kind of control method of rapid water heating device, user arranges leaving water temperature, water yield, and handle by guidance panel Control information is sent to panel, starts heating water exit mode, and panel opens flow control valve 8, starts suction pump 4, starts Rapid water heater 5, temperature sensor 7 real-time detection leaving water temperature, and water temperature information is sent to panel, panel according to The water temperature that user sets, automatically adjusts the flow velocity of suction pump 4, makes leaving water temperature reach user's setting value.User passes through operating surface Plate (guidance panel is electrically connected with panel) setting leaving water temperature, water yield etc., when water temperature is less than setting value, reduce suction pump 4 flow velocitys;When water temperature is higher than setting value, increase suction pump 4 flow velocity;The water temperature that panel sets according to user, flow automatic regulation The flux that regulating valve 8 is opened, coutroi velocity, make leaving water temperature reach user's setting value;When water temperature is less than setting value, reduce flow The flux of regulating valve 8, reduces flow velocity;When water temperature is higher than setting value, increase the flux of flow control valve 8, increase flow velocity.
When level sensor 1 detects storage tank 2 hydropenia, panel controls rapid water heater 5 to stop heating;Work as temperature When degree sensor 7 detects the temperature on rapid water heater 5 surface and exceedes setting value safe threshold, panel controls rapid water to add Hot device 5 stops heating;When the temperature on rapid water heater 5 surface reaches the working value of mechanical thermostat 6, mechanical thermostat 6 Disconnect, rapid water heater 5 stops heating.
Embodiment two, the difference with embodiment one is: shown in Figure 2, described storage tank 2 and rapid water heater 5 Water inlet between be additionally provided with water flow sensing unit 3, water flow sensing unit 3 is electrically connected with panel.When water flow sensing unit 3 perceives When not having current in water route, panel controls heating power supply circuits to disconnect power supply to rapid water heater 5, prevents rapid water from heating Device 5 dry combustion method.
Embodiment three, the difference with embodiment one is: shown in Figure 3, described storage tank 2 and water purification water supply installation 9 Even if connection is not so that when starting rapid water heater 5, it is possible to obtain the drinking water of room temperature.Described water purification water supply installation 9 includes Water inlet pipe 10, booster pump 95, reverse osmosiss filter element 92, preposition filter element 91 and rearmounted filter element 93, reverse osmosiss filter element 92 be provided with water inlet, Pure water mouth and waste water mouth, water inlet passes through booster pump 95, preposition filter element 91 is connected with water inlet pipe 10, and pure water mouth is with storage tank 2 even Logical.
Described water purification water supply installation 9 also includes water intaking valve 94 and wastewater valve 96, and water intaking valve 94 is arranged on the water before water inlet Lu Shang, wastewater valve 96 is connected with waste water mouth, and wastewater valve 96 is connected with waste pipe 97.
The water level of level sensor 1 real-time detection storage tank 2, when storage tank 2 water level reaches controlling the water circulation priming level, water purification Water supply installation 9 starts controlling the water circulation pattern;When storage tank 2 water level reaches full-water level, water purification water supply installation 9 stops controlling the water circulation pattern, and Start rinse mode;Wherein, during controlling the water circulation pattern, water intaking valve 94 energising is opened, and wastewater valve 96 is closed;During rinse mode, water intaking valve 94 energisings are opened, and wastewater valve 96 is opened, and when having made water flushing end and being standby, water intaking valve 94 power-off is closed, wastewater valve 96 power-off Close.
When user takes cold water, start suction pump 4 and draw water, rapid water heater 5 does not start;When user takes warm water When, start suction pump 4 and draw water, start rapid water heater 5 water outlet simultaneously;Wherein, hot water temperature's control is as follows: panel starts Suction pump 4, starts rapid water heater 5, temperature sensor 7 real-time detection leaving water temperature, and water temperature information is sent to control Chip, the water temperature that control chip sets according to user, automatically adjust the flow velocity of suction pump 4, make leaving water temperature reach user and set Value, when water temperature is less than setting value, reduces suction pump 4 flow velocity;When water temperature is higher than setting value, increase suction pump 4 flow velocity.

Claims (10)

1. a kind of rapid water heating device, including rapid water heater (5), storage tank (2), is used for rapid water heater (5) The heating power supply circuits of power supply and panel, described rapid water heater (5) is provided with water inlet and outlet, it is characterized in that, institute State water inlet to connect with storage tank (2) by suction pump (4), flow control valve (8), in storage tank (2) or with storage tank (2) even Logical water route is provided with the level sensor (1) for detecting storage tank (2) water level, heating power supply circuits, suction pump (4), stream Adjustable valve (8) and level sensor (1) are electrically connected with panel respectively.
2. rapid water heating device, described rapid water heater (5) inclusion water boiling vessels and heating according to claim 1 Body, heater is arranged on water boiling vessels outer surface.
3. rapid water heating device according to claim 2, described panel is provided with mechanical type anti-dry circuit, and mechanical type is prevented Dry fire circuit is connected between rapid water heater (5) and heating power supply circuits;Described mechanical type anti-dry circuit is provided with temperature control Device (6), temperature controller (6) is arranged on water boiling vessels outer surface and near heater.
4. rapid water heating device according to claim 3, is characterized in that, described temperature controller (6) be Kick type temperature controller or Fuse.
5. rapid water heating device according to claim 4, is characterized in that, described panel is provided with for controlling heating power supply The electronic type anti-dry control circuit of circuit, described electronic type anti-dry control circuit is provided with temperature detector, and temperature detector is arranged on to be sent out On hot body.
6. rapid water heating device according to claim 5, is characterized in that, described temperature detector is temperature sensor (7).
7. rapid water heating device according to claim 6, is characterized in that, described electronic type anti-dry control circuit is additionally provided with Control chip and relay, relay includes relay coil and relay switch, relay coil and temperature sensor (7) respectively with control Coremaking piece is electrically connected with, and relay switch is arranged on heating power supply circuits.
8. rapid water heating device according to claim 7, is characterized in that, also include guidance panel, guidance panel and control Plate is electrically connected with.
9. a kind of control method of rapid water heating device according to claim 8, is characterized in that, user passes through guidance panel Setting leaving water temperature, water yield, and controlling information transmission to panel, start heating water exit mode, panel opens flow Regulating valve (8), startup suction pump (4), startup rapid water heater (5), temperature sensor (7) real-time detection leaving water temperature, and Water temperature information is sent to panel, the water temperature that panel sets according to user, automatically adjust the flow velocity of suction pump (4), use Coolant-temperature gage reaches user's setting value;When water temperature is less than setting value, reduce suction pump (4) flow velocity;When water temperature is higher than setting value, increase Suction pump (4) flow velocity;The water temperature that panel sets according to user, the flux that flow automatic regulation regulating valve (8) is opened, controlling stream Speed, makes leaving water temperature reach user's setting value;When water temperature is less than setting value, reduce the flux of flow control valve (8), reduce stream Speed;When water temperature is higher than setting value, increase the flux of flow control valve (8), increase flow velocity.
10. the control method of rapid water heating device according to claim 9, is characterized in that, when level sensor (1) detection During to storage tank (2) hydropenia, panel controls rapid water heater (5) to stop heating;When temperature sensor (7) detects quickly When the temperature on water heater (5) surface exceedes setting value safe threshold, panel controls rapid water heater (5) to stop heating; When the temperature on rapid water heater (5) surface reaches the working value of mechanical thermostat (6), mechanical thermostat (6) disconnects, quickly Water heater (5) stops heating.
CN201611012663.0A 2016-11-17 2016-11-17 Rapid water heating device and control method thereof Pending CN106361161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611012663.0A CN106361161A (en) 2016-11-17 2016-11-17 Rapid water heating device and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611012663.0A CN106361161A (en) 2016-11-17 2016-11-17 Rapid water heating device and control method thereof

Publications (1)

Publication Number Publication Date
CN106361161A true CN106361161A (en) 2017-02-01

Family

ID=57891477

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611012663.0A Pending CN106361161A (en) 2016-11-17 2016-11-17 Rapid water heating device and control method thereof

Country Status (1)

Country Link
CN (1) CN106361161A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111513566A (en) * 2020-04-21 2020-08-11 深圳安吉尔饮水产业集团有限公司 Quick-heating water purifying dispenser, dry-heating preventing method and device thereof, and computer readable storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202277233U (en) * 2011-10-20 2012-06-20 胡维炼 Closed-loop temperature control rapid heater
CN202386503U (en) * 2011-11-15 2012-08-22 深圳市英尼克电器有限公司 Dual-purpose cold and hot water purifying dispenser
CN204467809U (en) * 2015-03-24 2015-07-15 浙江绍兴苏泊尔生活电器有限公司 Instant heating and cooling device
CN206453688U (en) * 2016-11-17 2017-09-01 佛山市云米电器科技有限公司 Rapid water heating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202277233U (en) * 2011-10-20 2012-06-20 胡维炼 Closed-loop temperature control rapid heater
CN202386503U (en) * 2011-11-15 2012-08-22 深圳市英尼克电器有限公司 Dual-purpose cold and hot water purifying dispenser
CN204467809U (en) * 2015-03-24 2015-07-15 浙江绍兴苏泊尔生活电器有限公司 Instant heating and cooling device
CN206453688U (en) * 2016-11-17 2017-09-01 佛山市云米电器科技有限公司 Rapid water heating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111513566A (en) * 2020-04-21 2020-08-11 深圳安吉尔饮水产业集团有限公司 Quick-heating water purifying dispenser, dry-heating preventing method and device thereof, and computer readable storage medium
CN111513566B (en) * 2020-04-21 2022-02-08 深圳安吉尔饮水产业集团有限公司 Quick-heating water purifying dispenser, dry-heating preventing method and device thereof, and computer readable storage medium

Similar Documents

Publication Publication Date Title
CN106587406A (en) Hot and cold water dispensing purifier and control method thereof
CN106361143A (en) Anti-dry-heating structure and control method for rapid water heating device
CN101832632B (en) Pipeline electric heating rapid water boiler
CN207035459U (en) A kind of intelligent thermostatic electric water heater
CN108036497A (en) A kind of gas heater and its preheating start-up and shut-down control method
CN106931645B (en) Energy-saving pure water boiler and heating method thereof
CN102679534A (en) Energy-saving constant temperature electric water heater
CN204963161U (en) Drinking water water heater
CN108088069A (en) A kind of energy saving gas burning water heater for possessing pre- hot function, heating system and method
CN206453688U (en) Rapid water heating device
CN110440443A (en) A kind of water-heater system
CN106440331A (en) Automatic constant-temperature heating system and control method thereof
CN201050864Y (en) Secondary heating electric water heater
CN208658858U (en) Rush the fixed warm mother and baby's machine of milk
CN212901986U (en) Water heater with built-in water tank
CN207299499U (en) A kind of combined intelligent thermostatic electric water heater
CN201382580Y (en) Body-induction novel energy-saving automatic electric water boiler
CN206173122U (en) Cold and hot water water purifier
CN106361161A (en) Rapid water heating device and control method thereof
CN205481280U (en) Automatic control non -pressure formula electricity adds hot -water circulation heating ware
CN206094524U (en) Automatic constant temperature heating system
CN206453675U (en) The Anti-overheating structure of rapid water heating device
CN204580951U (en) Intelligent drinking machine
CN207922542U (en) Automatic constant temperature heating device with effluent function
CN203657171U (en) Circulating instant energy-saving water heater

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170201