CN104896185B - New hot water tap structure and its water outlet are heat control method - Google Patents
New hot water tap structure and its water outlet are heat control method Download PDFInfo
- Publication number
- CN104896185B CN104896185B CN201510320152.4A CN201510320152A CN104896185B CN 104896185 B CN104896185 B CN 104896185B CN 201510320152 A CN201510320152 A CN 201510320152A CN 104896185 B CN104896185 B CN 104896185B
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- water
- outlet
- calandria
- hot water
- valve body
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
- F16K49/002—Electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
Abstract
It is heat control method the present invention relates to a kind of new hot water tap structure and its water outlet, it is characterised in that:Including tap main body and the inlet tube and outlet tube being located in tap main body, and it is sequentially arranged in valve body and calandria between inlet tube and outlet tube, the delivery port rear end of the valve body is provided with flow sensor, temperature sensor is provided between calandria and outlet pipe, the flow sensor, temperature sensor electrically connect with the controller in tap main body, the controller electrically connects with calandria, with the heating power of adjustment control calandria.Novel hot water water route of the present invention uses current limiter current limliting, it is ensured that flow realizes constant-temperature effluent not over flow is set at various pressures, while increases single cold water water route to realize low temperature big flow water outlet, facilitates kitchen big flow demand.
Description
Technical field:
It is heat control method the present invention relates to a kind of new hot water tap structure and its water outlet.
Background technology:
Instant heating type tap, also referred to as speed heat ability of swimming electric hot water tap, electric hot water tap is all referred to as in existing industry substantially,
Gained the name because after its unlatching hot water can be gone out in the 3-5 seconds.And it is existing on the market i.e. heat tap heating power immobilize or
There is the switch of two different capacities so that leaving water temperature can only control by adjusting flow, and when flow is excessive, water temperature is just
It is low;Water temperature is again too high when flow is too small(In the presence of scald risk);It is generally necessary to which suitable temperature can be just transferred to by repeatedly adjusting, waste
Water, electric resources.And water temperature can be fluctuated during piping flow change.
The content of the invention:
In order to solve the above-mentioned technical problem, it is an object of the invention to provide a kind of new hot water tap structure, this is new
Type hot water tap structure is simple, reasonable in design, is advantageous to automatic water temperature regulation.
The present invention is achieved through the following technical solutions:
The new hot water tap structure of the present invention, it is characterised in that:Including tap main body and it is located in tap main body
Inlet tube and outlet tube, and the valve body and calandria being sequentially arranged between inlet tube and outlet tube, the delivery port rear end of the valve body is set
Have flow sensor, be provided with temperature sensor between calandria and outlet pipe, the flow sensor, temperature sensor with
Controller electrical connection in tap main body, the controller electrically connect with calandria, with adding for adjustment control calandria
Thermal power.
Further, controllable silicon is also serially connected between controller noted above and calandria, the controllable silicon is sticked in water inlet pipe
In side wall.
Further, being sticked between controllable silicon and water inlet pipe side wall has potsherd, the potsherd and copper pipe, potsherd
Heat-conducting silicone grease is coated between controllable silicon.
Further, above-mentioned valve body is that One In and Two Out flow controls water valve, and its water inlet connects with water inlet pipe, one water outlet
Mouth is cooling water outlet, and another delivery port is hot water outlet, and the hot water outlet is provided with flow sensor and flow regulator.
Further, hot and cold channel structure is provided between above-mentioned valve body and outlet pipe, the hot and cold channel structure includes
One has a body of first, second inlet opening and first, second apopore, the first, second inlet opening cold water with valve body respectively
Outlet connects with hot water outlet, and first, second apopore connects with outlet pipe, and the first inlet opening, which is led directly to toward the first apopore, to exist
Cold water channel is formed in body, cold water pipeline goes out including valve body cooling water outlet, the first inlet opening, cold water channel, first successively
Water hole and outlet pipe;The hot water channel between the second inlet opening and body upper part is communicated with positioned at cold water channel side, it is described
The periphery of body, which is provided with an outer wall, has externally threaded thread bush, and the thread bush periphery is cased with heating tube, in body and screw thread
Water passage is provided between set, spiral water passage is formed between thread bush and heating tube, hot water line includes valve body successively
Hot water outlet, the second inlet opening, hot water channel, water passage, spiral water passage, the second apopore and outlet pipe.
Further, it is provided with above-mentioned outlet pipe body in the insulation between calandria delivery port and faucet outlet
Pipe.
Further, above-mentioned insulating inner tube is PE insulating inner tubes.
The new hot water tap water outlet of the present invention is heat control method, it is characterised in that:The hot water tap includes water
Tap main body and the inlet tube and outlet tube being located in tap main body, and the valve body being sequentially arranged between inlet tube and outlet tube and heating
Body, the delivery port rear end of the valve body are provided with flow sensor, and temperature sensor is provided between calandria and outlet pipe,
The flow sensor, temperature sensor electrically connect with the controller in tap main body, the controller and calandria
Electrical connection, with the heating power of adjustment control calandria;After valve body is opened, the flow sensor in water route detects water-carrying capacity and will
Data transfer carries out data judgement, when flow is more than setting value to controller(Such as > 600ml/min), open calandria and add
Heat, while according to data on flows and the heating power of output water temperature data point reuse calandria;So that leaving water temperature reaches setting temperature
Degree(Such as 42 degrees Celsius)And it is less than design temperature.
Further, when leaving water temperature is less than setting value(600ml/min), it is not turned on heater heating;Controller with
Controllable silicon is also serially connected between calandria, by controller to controllable silicon signal to realize the control of calandria different heating power.
Further, hot and cold channel structure is provided between above-mentioned valve body and outlet pipe, the hot and cold channel structure includes
One has a body of first, second inlet opening and first, second apopore, the first, second inlet opening cold water with valve body respectively
Outlet connects with hot water outlet, and first, second apopore connects with outlet pipe, and the first inlet opening, which is led directly to toward the first apopore, to exist
Cold water channel is formed in body, cold water pipeline goes out including valve body cooling water outlet, the first inlet opening, cold water channel, first successively
Water hole and outlet pipe;The hot water channel between the second inlet opening and body upper part is communicated with positioned at cold water channel side, it is described
The periphery of body, which is provided with an outer wall, has externally threaded thread bush, and the thread bush periphery is cased with heating tube, in body and screw thread
Water passage is provided between set, spiral water passage is formed between thread bush and heating tube, hot water line includes valve body successively
Hot water outlet, the second inlet opening, hot water channel, water passage, spiral water passage, the second apopore and outlet pipe;When defeated
When going out cold water, after valve body is opened, cold water position is switched to, water enters from water inlet pipe, then in turn through valve inleting water mouth, valve body
Cooling water outlet, the first inlet opening, cold water channel, the first apopore and outlet pipe, export cold water;When hot water to be exported, valve body
After unlatching, hot water position is switched to, water enters from water inlet pipe, then in turn through valve body hot water outlet, the second inlet opening, hot water
Passage, water passage, spiral water passage, the second apopore and outlet pipe, hot water is exported, during which the flow sensor in water route
Detection water-carrying capacity simultaneously passes data to controller, data judgement is carried out, when flow is more than setting value(Such as > 600ml/
min), calandria heating is opened, while according to data on flows and the heating power of output water temperature data point reuse calandria;Make to draw
Coolant-temperature gage reaches design temperature(Such as 42 degrees Celsius)And it is less than design temperature, realize automatically controlling for output water temperature.
Hot water water route of the present invention uses current limiter current limliting, it is ensured that flow is real not over setting flow at various pressures
Show constant-temperature effluent, while increase single cold water water route to realize low temperature big flow water outlet, facilitate kitchen big flow demand.
Brief description of the drawings:
Fig. 1 is a kind of embodiment theory diagram of hot water control of the present invention;
Fig. 2 is another embodiment theory diagram of hot water control of the present invention;
Fig. 3 is electrical schematic of the present invention;
Fig. 4 is the logic chart of hot water control of the present invention;
Fig. 5 is the D structure schematic diagram of tap main body of the present invention;
Fig. 6 is Fig. 5 profile;
Fig. 7 is Fig. 5 explosive view;
Fig. 8 is the explosive view of the hot and cold channel structure of the present invention;
Fig. 9 is the profile of cold water pipeline in the hot and cold channel structure of the present invention;
Figure 10 is the profile of hot water line in the hot and cold channel structure of the present invention;
Figure 11 is Fig. 9 K-K sectional drawings;
Figure 12 is Fig. 5 side view;
Figure 13 is Figure 12 M-M profiles;
Figure 14 is the organigram of controllable silicon installation.
Embodiment:
The present invention is described in further detail with actual embodiment below in conjunction with the accompanying drawings.
The new hot water tap structure of the present invention, including tap main body 1 and the water-in and water-out that are located in tap main body 1
Pipe 2,3, and the valve body 4 and calandria 5 being sequentially arranged between inlet tube and outlet tube, the delivery port rear end of the valve body 4 are provided with stream
Quantity sensor 6, temperature sensor 7, the flow sensor 6, temperature sensor 7 are provided between calandria 5 and outlet pipe 3
Electrically connected with the controller 8 in tap main body, the controller 8 electrically connects with calandria 5, with adjustment control calandria
Heating power.The flow sensor 6 can be arranged between delivery port and calandria, can also be arranged in calandria.
Further, for the ease of control and good heat radiating, controllable silicon is also serially connected between controller noted above and calandria
9, the controllable silicon 9 is sticked in the side wall of water inlet pipe 2, and the water inlet pipe is copper pipe.
Controller noted above IC models can be PIC 16F1829, and controllable silicon can be BTA 41-600B.
Further, in order to preferably radiate, being sticked between controllable silicon and water inlet pipe side wall has potsherd 10, the pottery
Heat-conducting silicone grease is coated between ceramics 10 and controllable silicon.This structure causes the heat of controllable silicon to be taken away by the current of water inlet pipe, greatly
Big stability, the security for improving controllable silicon.In addition, heat-conducting silicone grease is applied between potsherd and copper pipe, potsherd and controllable silicon,
Be advantageous to improve the heat-conducting effect between controllable silicon and water route.
Further, above-mentioned valve body is that One In and Two Out flow controls water valve, and its water inlet 401 connects with water inlet pipe 2, one
Delivery port is cooling water outlet 402, and another delivery port is hot water outlet 403, and the hot water outlet 403 is provided with flow sensor 6
And flow regulator.The valve body can singly enter singly to go out valve, the water route is only realized out constant-temperature hot water, and enter two using one
Outflow controls water valve and the single cold water water route of increase to realize low temperature big flow water outlet, facilitates kitchen big flow demand.
Further, in order to which two water routes are reasonable in design, hot and cold channel structure A, institute are provided between above-mentioned valve body and outlet pipe
State hot and cold channel structure A has first, second inlet opening 1201,1202 and first, second apopore 1203,1204 including one
Body 12, first, second inlet opening 1201,1202 connects with the cooling water outlet 402 and hot water outlet 403 of valve body 4 respectively,
First, the second apopore 1203,1204 is connected with outlet pipe 3, and the first inlet opening 1201 is led directly to toward the first apopore 1203 at this
Cold water channel 13 is formed in vivo, and cold water pipeline includes valve body cooling water outlet 402, the first inlet opening 1201, cold water channel successively
13rd, the first apopore 1203 and outlet pipe 3;The second inlet opening 1202 and body upper part are communicated with positioned at the side of cold water channel 13
Between hot water channel 14, the periphery of the body 12, which is provided with an outer wall, has externally threaded thread bush 15, the thread bush 15
Periphery is cased with heating tube 16 (being calandria),(Heating tube 16 can be stainless steel thick-film heating pipe, as Xinxiang City is outstanding up to precision
The model TF196*55*55/40/ Φ 4 ' of Electronics Inc.'s production, it is to be wound with heating in stainless steel tube periphery
Silk,)Water passage 17 is provided between body 12 and thread bush 15, formation spiral is crossed water and led between thread bush 15 and heating tube 16
Road 18, hot water line i.e. successively include valve body hot water outlet 403, the second inlet opening 1202, hot water channel 14, water passage 17,
Spiral water passage 18, the second apopore 1204 and outlet pipe 3.Due to there is roundabout water route between heating tube, from
And the length of pipeline before hot water line is extended, because water route extends, water resistance increases, make to be reduced to safety into the voltage at water
Voltage, risk of shock can be avoided the occurrence of.
Further, it is provided with above-mentioned outlet pipe body in the insulation between calandria delivery port and faucet outlet
Pipe 19, insulating inner tube 19 are added length of the water by the water channel that insulate, the electricity at faucet water outlet opening are made using the water resistance of this section of water
Pressure is reduced to safe voltage, can avoid the occurrence of risk of shock, above-mentioned insulating inner tube is PE insulating inner tubes.
Due to the design of the special anti-electricity wall in above-mentioned two position, so as to ensure that the voltage at water import and export is reduced to
Safe voltage, the risk of shock of user can be avoided the occurrence of.
The new hot water tap water outlet of the present invention is heat control method, and the hot water tap includes tap main body and set
Inlet tube and outlet tube in tap main body, and the valve body and calandria being sequentially arranged between inlet tube and outlet tube, the valve body
Delivery port rear end is provided with flow sensor, is provided with temperature sensor between calandria and outlet pipe, the flow sensor,
Temperature sensor electrically connects with the controller in tap main body, and the controller electrically connects with calandria, to adjust control
The heating power of calandria processed;After valve body is opened, the flow sensor in water route detects water-carrying capacity and passes data to control
Device, data judgement is carried out, when flow is more than setting value(Such as > 600ml/min), calandria heating is opened, while according to flow
The heating power of data and output water temperature data point reuse calandria;So that leaving water temperature reaches design temperature(Such as 42 degrees Celsius)And
Less than design temperature.
Further, when leaving water temperature is less than setting value(600ml/min), it is not turned on heater heating;Controller with
Controllable silicon is also serially connected between calandria, by controller to controllable silicon signal to realize the control of calandria different heating power.
Further, hot and cold channel structure is provided between above-mentioned valve body and outlet pipe, the hot and cold channel structure includes
One has a body of first, second inlet opening and first, second apopore, the first, second inlet opening cold water with valve body respectively
Outlet connects with hot water outlet, and first, second apopore connects with outlet pipe, and the first inlet opening, which is led directly to toward the first apopore, to exist
Cold water channel is formed in body, cold water pipeline goes out including valve body cooling water outlet, the first inlet opening, cold water channel, first successively
Water hole and outlet pipe;The hot water channel between the second inlet opening and body upper part is communicated with positioned at cold water channel side, it is described
The periphery of body, which is provided with an outer wall, has externally threaded thread bush, and the thread bush periphery is cased with heating tube, in body and screw thread
Water passage is provided between set, spiral water passage is formed between thread bush and heating tube, hot water line includes valve body successively
Hot water outlet, the second inlet opening, hot water channel, water passage, spiral water passage, the second apopore and outlet pipe;When defeated
When going out cold water, after valve body is opened, cold water position is switched to, water enters from water inlet pipe, then in turn through valve inleting water mouth, valve body
Cooling water outlet, the first inlet opening, cold water channel, the first apopore and outlet pipe, export cold water;When hot water to be exported, valve body
After unlatching, hot water position is switched to, water enters from water inlet pipe, then in turn through valve body hot water outlet, the second inlet opening, hot water
Passage, water passage, spiral water passage, the second apopore and outlet pipe, hot water is exported, during which the flow sensor in water route
Detection water-carrying capacity simultaneously passes data to controller, data judgement is carried out, when flow is more than setting value(Such as > 600ml/
min), calandria heating is opened, while according to data on flows and the heating power of output water temperature data point reuse calandria;Make to draw
Coolant-temperature gage reaches design temperature(Such as 42 degrees Celsius)And it is less than design temperature, realize automatically controlling for output water temperature.
Hot water water route of the present invention uses current limiter current limliting, it is ensured that flow is real not over setting flow at various pressures
Show constant-temperature effluent, while increase single cold water water route to realize low temperature big flow water outlet, facilitate kitchen big flow demand.
Presently preferred embodiments of the present invention is the foregoing is only, it is all to accomplish change and modification according to scope of the present invention patent
The covering scope of the present invention should all be belonged to.
Claims (8)
- A kind of 1. new hot water tap structure, it is characterised in that:Including tap main body and be located at entering in tap main body, Outlet pipe, and the valve body and calandria being sequentially arranged between inlet tube and outlet tube, the delivery port rear end of the valve body are provided with flow Sensor, is provided with temperature sensor between calandria and outlet pipe, the flow sensor, temperature sensor and is located at water Controller electrical connection in tap main body, the controller electrically connects with calandria, with the heating power of adjustment control calandria, The flow sensor is arranged between delivery port and calandria or is arranged in calandria;Set between the valve body and outlet pipe There is a hot and cold channel structure, the hot and cold channel structure, which includes one, has first, second inlet opening and first, second apopore Body, first, second inlet opening connect with the cooling water outlet and hot water outlet of valve body respectively, and first, second apopore is with going out Water pipe connects, and the first inlet opening leads directly to toward the first apopore and cold water channel is formed in body, and cold water pipeline includes valve successively Body cooling water outlet, the first inlet opening, cold water channel, the first apopore and outlet pipe;Is communicated with positioned at cold water channel side Hot water channel between two inlet openings and body upper part, the periphery of the body, which is provided with an outer wall, has externally threaded thread bush, The thread bush periphery is cased with heating tube, and water passage, shape between thread bush and heating tube are provided between body and thread bush Into spiral water passage, hot water line includes valve body hot water outlet, the second inlet opening, hot water channel, water passage, spiral shell successively It is threaded through aquaporin, the second apopore and outlet pipe.
- 2. new hot water tap structure according to claim 1, it is characterised in that:Between the controller and calandria Controllable silicon is also serially connected with, the controllable silicon is sticked in water inlet pipe side wall.
- 3. new hot water tap structure according to claim 2, it is characterised in that:Controllable silicon and water inlet pipe side wall it Between be sticked and have potsherd, the potsherd and copper pipe, heat-conducting silicone grease is coated between potsherd and controllable silicon.
- 4. new hot water tap structure according to claim 1, it is characterised in that:The valve body is One In and Two Out flow Water valve is controlled, its water inlet connects with water inlet pipe, and one delivery port is cooling water outlet, and another delivery port is hot water outlet, described Hot water outlet is provided with flow sensor and flow regulator.
- 5. new hot water tap structure according to claim 1, it is characterised in that:It is provided with and is located in the outlet pipe body Insulating inner tube between calandria delivery port and faucet outlet.
- 6. new hot water tap structure according to claim 5, it is characterised in that:The insulating inner tube is in PE insulation Pipe.
- 7. a kind of new hot water tap water outlet is heat control method, it is characterised in that:The hot water tap includes tap Main body and the inlet tube and outlet tube being located in tap main body, and the valve body and calandria being sequentially arranged between inlet tube and outlet tube, institute The delivery port rear end for stating valve body is provided with flow sensor, and temperature sensor is provided between calandria and outlet pipe, described Flow sensor, temperature sensor electrically connect with the controller in tap main body, and the controller is electrically connected with calandria Connect, with the heating power of adjustment control calandria;After valve body is opened, flow sensor in water route detection water-carrying capacity and by data Controller is passed to, carries out data judgement, when flow is more than setting value, opens calandria heating, while according to data on flows With the heating power of output water temperature data point reuse calandria;So that leaving water temperature reaches design temperature and is less than design temperature;Institute State and hot and cold channel structure is provided between valve body and outlet pipe, the hot and cold channel structure, which includes one, has first, second water inlet Hole and the body of first, second apopore, first, second inlet opening connect with the cooling water outlet and hot water outlet of valve body respectively, First, second apopore connects with outlet pipe, and the first inlet opening leads directly to toward the first apopore and cold water channel is formed in body, Cold water pipeline includes valve body cooling water outlet, the first inlet opening, cold water channel, the first apopore and outlet pipe successively;Positioned at cold Aquaporin side is communicated with the hot water channel between the second inlet opening and body upper part, and the periphery of the body is provided with an outer wall With externally threaded thread bush, the thread bush periphery is cased with heating tube, and water passage, spiral shell are provided between body and thread bush Line covers forms spiral water passage between heating tube, and hot water line includes valve body hot water outlet, the second inlet opening, heat successively Aquaporin, water passage, spiral water passage, the second apopore and outlet pipe;When cold water to be exported, after valve body is opened, cut Change to cold water position, water enters from water inlet pipe, then in turn through valve inleting water mouth, valve body cooling water outlet, the first inlet opening, cold Aquaporin, the first apopore and outlet pipe, export cold water;When hot water to be exported, after valve body is opened, hot water position is switched to, Water enters from water inlet pipe, and water is crossed then in turn through valve body hot water outlet, the second inlet opening, hot water channel, water passage, spiral Passage, the second apopore and outlet pipe, hot water is exported, during which the flow sensor detection water-carrying capacity in water route and by data transfer To controller, data judgement is carried out, when flow is more than setting value, opens calandria heating, while according to data on flows and go out Water water temperature data adjusts the heating power of calandria;So that leaving water temperature reaches design temperature and is less than design temperature, realize Output water temperature automatically controls.
- 8. new hot water tap water outlet is heat control method according to claim 7, it is characterised in that:When leaving water temperature is small When setting value, heater heating is not turned on;Controllable silicon is also serially connected between controller and calandria, by controller to controllable silicon Signal is to realize the control of calandria different heating power.
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CN105114657B (en) * | 2015-09-22 | 2017-11-03 | 广东万和电气有限公司 | Thermostatic valve with anti-electricity wall |
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WO2018177366A1 (en) * | 2017-03-31 | 2018-10-04 | 苏强 | Electric heating faucet |
CN107049100B (en) * | 2017-05-26 | 2023-08-22 | 佛山市恒芯磁能科技有限公司 | Intelligent shower and control method thereof |
CN110522310A (en) * | 2018-05-23 | 2019-12-03 | 杭州一电润泽电力设备有限公司 | A kind of heating module, water dispenser and water closet |
CN108759069A (en) * | 2018-08-01 | 2018-11-06 | 湖南智热技术股份有限公司 | Keep flowing out the method and device of fluid constant temperature when wide flow material flow mutation |
CN109268532A (en) * | 2018-11-10 | 2019-01-25 | 陈非 | Electric heating faucet |
TW202040036A (en) * | 2019-04-19 | 2020-11-01 | 何三玄 | Sensing tap and the controlling method thereof |
CN114151607B (en) * | 2021-05-31 | 2023-09-22 | 佛山市美的清湖净水设备有限公司 | Water tap |
CN114151603B (en) * | 2021-05-31 | 2024-03-26 | 佛山市美的清湖净水设备有限公司 | Water tap |
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CN201723837U (en) * | 2010-06-13 | 2011-01-26 | 杭州德光能源科技有限公司 | Instant heat-type shower faucet |
US9260842B2 (en) * | 2012-06-22 | 2016-02-16 | Kohler Mira Limited | Valve with heating element |
CN203363404U (en) * | 2013-05-29 | 2013-12-25 | 苏州昊迪特殊钢有限公司 | Automatic temperature control electric heating water faucet |
CN204240568U (en) * | 2014-10-30 | 2015-04-01 | 浙江传福电器有限公司 | Tap electric water heater |
CN204785029U (en) * | 2015-06-12 | 2015-11-18 | 厦门建霖工业有限公司 | Novel instant heating tap structure |
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