CN110207400A - A kind of cold water collection system of water heater - Google Patents
A kind of cold water collection system of water heater Download PDFInfo
- Publication number
- CN110207400A CN110207400A CN201910372827.8A CN201910372827A CN110207400A CN 110207400 A CN110207400 A CN 110207400A CN 201910372827 A CN201910372827 A CN 201910372827A CN 110207400 A CN110207400 A CN 110207400A
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- China
- Prior art keywords
- water
- tank
- feed pipe
- water tank
- pipe
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention provides a kind of cold water collection systems of water heater, are related to the technical field of water heater.It includes water heater body, the jetting member being connected to water heater body, water system, and control system, water system includes total feed pipe, the water tank being connected to total feed pipe, the overflow pipe being connected to water tank, and what is be connected to water tank uses water part, jetting member is connected to total feed pipe by the second feed pipe, it is carved in water tank and is equipped with overflow water bit line, normal water line, and lowest water level line, in being provided with water supply pipe on water tank, control system includes the total valve being set on total feed pipe, the first thermostat valve and the second thermostat valve being set on the first feed pipe and the second feed pipe, the first water level probe and the second water level probe being set at normal water line and lowest water level line, and respectively with the first thermostat valve, second thermostat valve, the controller of first water level probe and the connection of the second water level probe.The present invention has the beneficial effect using conveniently effect.
Description
Technical field
The present invention relates to the technical fields of water heater, more particularly, to a kind of cold water collection system of water heater.
Background technique
With the raising of modern life level, almost every household is fitted with water heater, the leaching in water heater and bathroom
One section of feed pipe is connected between bath spray head, people need first to arrange the cold water in feed pipe when using the water in water heater
It puts, the water in water heater can just be discharged from shower nozzle later, and when shower nozzle discharges cold water, people's majority is left cold water
It is directly discharged to ground, then is discharged from sewer, the waste of water resource is caused.
Notification number discloses a kind of solar water heater cold water recyclable device for the Chinese patent of CN107166778A, including
Connecting tube, the first aqueduct, bucket, straight tube, magnetic switch and alarm, the water inlet end of connecting tube pass through connector and water heater
Outlet pipe connection；The water inlet end of first aqueduct is connected to the water outlet of connecting tube and its water outlet is protruded into bucket, in bucket
Wall is carved with normal line, and straight tube is vertically arranged in bucket and straight tube bottom end is equipped with water inlet, is equipped with magnetic float, straight tube in straight tube
The interior magnetic float upper end that is located at is equipped with magnetic switch, and the height of magnetic switch and the height of normal line are equal, and magnetic switch passes through
Conducting wire is connect with alarm.It when operation, is first turned on water valve and discharges water, while touching water temperature with hand, until under hot water stream,
Mark, as normal line are carried out in bucket at the water surface.The present invention is in use, by the water outlet of connecting tube and the outlet pipe of water heater
Connection opens water valve and discharges water, and cold water passes through the first aqueduct respectively, the second aqueduct enters bucket, in water-storing bottle, magnetic in straight tube
Property float rise with the rising of the water surface, when the water surface rises to normal line, magnetic float is contacted with magnetic switch, connect electricity
Road, alarm start to alarm, and user's cold water is reminded to discharge, meanwhile, water level reach a certain height in water-storing bottle, water valve handle
Hand can tilt down under the gravity of water-storing bottle, to close water valve, stop discharging water.
Prior art among the above have the following deficiencies: in cooled water discharge to water-storing bottle, will need using when need
Water in water-storing bottle is poured out again, use is more inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of cold water collection systems of water heater, have using conveniently effect.
Above-mentioned purpose of the invention has the technical scheme that
A kind of cold water collection system of water heater, including water heater body, and the jetting member being connected to the water heater body,
It further include the water system and control system being connected to the water heater body, the water system includes and the hot water
Total feed pipe of device ontology connection, the water tank being connected to total feed pipe by the first feed pipe are connected to the water tank
Overflow pipe, and water part is used by what drainpipe was connected to the water tank, the jetting member and total feed pipe pass through second
Feed pipe is connected to, and is successively carved from top to bottom in the water tank and is equipped with overflow water bit line, normal water line and lowest water level line, institute
It states drainpipe to be set at the overflow water bit line, the water supply pipe being connected to water source, the control is provided on Yu Suoshu water tank
System includes the total valve being set on total feed pipe, is respectively arranged on first feed pipe and the second feed pipe
First thermostat valve and the second thermostat valve, the first water level probe being respectively arranged at the normal water line and lowest water level line and
Two water level probes, and be connected to respectively with first thermostat valve, the second thermostat valve, the first water level probe and the second water level probe
Controller.
By using above-mentioned technical proposal, when using water heater, total valve is opened, the water in total feed pipe starts to flow,
First thermostat valve is opened after sensing the temperature of water, and cold water flows in water tank via the first feed pipe, needed for water temperature reaches
After temperature, the first thermostat valve is closed, and the second thermostat valve is opened, and hot water is flowed out from jetting member, is used for user.One in water tank
Setting is there are three water level altogether, when the cooled water discharge in total feed pipe is into water tank, if water level is higher than overflow water bit line, cold water from
Overflow pipe is emitted into sewer, will letter after being sensed by the second water level probe if the water in water tank is lower than lowest water level line
Number pass to controller, the just moisturizing into water tank from water supply pipe, when the water level in water tank reaches ordinary water level, water supply pipe stop to
Moisturizing in water tank.By setting water system and control system, automation control cold water is realized, use is more convenient, and avoids
The waste of water resource.
The present invention is further arranged to: the tank outer wall is provided with the protective plate of hollow setting, the protective plate inner cavity
It is provided with heating wire, the protective plate outer wall is provided with temperature sensor, and the temperature sensor is connected to the controller.
By using above-mentioned technical proposal, lack the rural area of heating in the north, when winter temperature lower than it is subzero when, meeting
The phenomenon that freezing, when the water freezing in water tank, the case where will lead to water tank bursting by freezing generation, therefore heating wire is set, when
When temperature is lower than the setting value of temperature sensor, heating wire can intermittent energization avoid the water knot in water tank for heating water tanks
Ice.
The present invention is further arranged to: the protective plate inner cavity is provided with partition, and the heating wire is set to the partition
Close to the side of water tank, the partition other side is provided with insulating layer.
By using above-mentioned technical proposal, insulating layer, which is arranged, can prevent heating wire from stopping after being powered, and heating wire heat dissipation is too fast
The case where occur, effectively saved electricity consumption.
The present invention is further arranged to: the tank inner wall is coated with waterproof paint layer.
By using above-mentioned technical proposal, it is coated with the water that waterproof paint layer can be effectively prevent in water tank and leaks out.
The present invention is further arranged to: the water tank is set to interior wall roof, and is located above furred ceiling, below the water tank
It is provided with leak test component, the leak test component includes the water receiving tank being set to below the water tank, is connected to the water receiving tank
Leak test pipe, and the test block docked with the leak test pipe.
By using above-mentioned technical proposal, water tank is set to above furred ceiling, has the effect of beautiful, reduction land occupation, when
When the case where leak occurs in water tank, the water on water tank is fallen on water receiving tank, and the water in water receiving tank falls to survey via leak test pipe
On test specimen, test block will make series reaction after receiving water, judge whether leak for user.By the way that leak test is arranged
Component can be judged when the amount of leak is smaller, reminded user's water tank drainage occur and needed to overhaul, avoid leaking
Water is more serious and damages furred ceiling.
The present invention is further arranged to: the water receiving tank is in the arc-shaped of opening upwards, and the water receiving tank inner wall and institute
It states tank outer wall and is coated with water-repellent layer.
By using above-mentioned technical proposal, arc-shaped is set by water receiving tank, it is quick for the water that is fallen from water tank
It flows in leak test pipe, while being coated with water-repellent layer in water receiving tank inner wall and tank outer wall, the water that can avoid leaking out is in water receiving tank
Wall and tank outer wall adhesion are more, thus the time for influencing the overlong time that test block receives water flow occurs.
The present invention is further arranged to: sight vane is offered on the furred ceiling, be provided at the sight vane it is transparent can
Depending on plate, the test block is the water suction discoloration test paper being set on the visual plate, and the open end of the leak test pipe is set to institute
It states on water suction discoloration test paper.
By using above-mentioned technical proposal, when in water flowing to water suction discoloration test paper, water suction discoloration test paper discoloration is used
Person can see that the leak test effect of such leak test mode is preferable, and cost is lower from sight vane.
The present invention is further arranged to: Yu Suoshu sight vane periphery offers catch basin, and suction is embedded in the catch basin
Water cotton.
By using above-mentioned technical proposal, when at water flowing to water suction discoloration test paper, if water flow is more, absorbent wool is just
Can extra moisture absorption be avoided in water flowing to furred ceiling, be damaged to furred ceiling.
In conclusion advantageous effects of the invention are as follows:
1. realizing the flow direction of automation control cold water by setting water system and control system, use is more convenient, and reduces
The waste of water resource；
2. avoiding generation the case where cold winter is by water tank bursting by freezing by setting heating wire and insulating layer；
3. by setting leak test component radiator leak can be perceived for user, when radiator leak is less to remind user
Overhaul as early as possible, avoid because leak is more serious damage ceiling the case where generation.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the schematic cross-sectional view in the face A-A in Fig. 1.
In figure, 1, water heater body；11, jetting member；2, water system；21, total feed pipe；22, the first feed pipe；23,
Second feed pipe；24, water tank；241, overflow water bit line；242, normal water line；243, lowest water level line；25, overflow pipe；26, it arranges
Water pipe；261, with water part；27, water supply pipe；3, control system；31, total valve；32, the first thermostat valve；33, the second thermostat valve；
34, the first water level probe；35, the second water level probe；4, mounting plate；5, protective plate；51, partition；52, heating wire；53, it keeps the temperature
Layer；54, temperature sensor；6, leak test component；61, water receiving tank；62, leak test pipe；63, sight vane；64, visual plate；65, water suction becomes
Color test paper；66, catch basin；67, absorbent wool；7, furred ceiling.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is a kind of cold water collection system of water heater disclosed by the invention, including water heater body 1, Yi Jiyu
The jetting member 11 that water heater body 1 is connected to, the water system 2 and control system 3 being connected to water heater body 1, the present embodiment
Middle jetting member 11 is shower nozzle.
Referring to Figures 1 and 2, water system 2 includes the total feed pipe 21 being connected to water heater body 1, with total feed pipe 21
The water tank 24 being connected to by the first feed pipe 22, the overflow pipe 25 for being set to 24 top sidewall of water tank and being connected to water tank 24, with
And water part 261 is used by what drainpipe 26 was connected to water tank 24, side of the overflow pipe 25 far from water tank 24 is arranged diagonally downward, sprays
Water part 11 is connected to total feed pipe 21 by the second feed pipe 23, and it is closestool that water part 261 is used in the present embodiment.From upper in water tank 24
It is successively carved under and is equipped with overflow water bit line 241, normal water line 242 and lowest water level line 243, drainpipe 26 is set to overflow
At water level line 241, in being provided with and communicated with the water supply pipe 27 being connected to water source on water tank 24, water source is provided by water-supply systems.
Referring to Figures 1 and 2, water tank 24 is set to wall roof, and is located at 7 top of furred ceiling, passes through expansion in wall roof
Screw is fixedly connected with the L-shaped installing plate 4 there are two arranged relative, and water tank 24 is set up on the horizontal segment of two mounting plates 4, and with
Mounting plate 4 is fixed by screws, and 24 inner wall of water tank is coated with waterproof paint layer, and the material of waterproof paint layer is ammonia in the present embodiment
Base polyvinyl alcohol emulsified asphalt water-repellent paint.
Referring to Figures 1 and 2, control system 3 includes the total valve 31 being set on total feed pipe 21, is respectively arranged at first
The first thermostat valve 32 and the second thermostat valve 33 on feed pipe 22 and the second feed pipe 23, are respectively arranged at 242 He of normal water line
The first water level probe 34 and the second water level probe 35 at lowest water level line 243, and it is warm with the first thermostat valve 32, second respectively
The controller (not shown) that control valve 33, the first water level probe 34 are connected to the second water level probe 35.
Referring to Figures 1 and 2,24 outer wall of water tank is provided with the protective plate 5 of hollow setting, in 5 inner cavity of protective plate be provided with by
5 inner cavity of protective plate is divided into two layers of partition 51, and the side of partition 51 close to water tank 24 is provided with heating wire 52, and partition 51 is far from water
The side of case 24 is provided with insulating layer 53, and insulating layer 53 is polystyrene foam plate in the present embodiment, passes through in 5 outer wall of protective plate
Screw is fixedly connected with the temperature sensor 54 being connected to controller.
Referring to Figures 1 and 2, leak test component 6 is provided with below water tank 24, leak test component 6 includes being set under water tank 24
The water receiving tank 61 of side, the leak test pipe 62 being connected to water receiving tank 61, and the test block docked with leak test pipe 62.Water receiving tank 61 is in open
The upward arc-shaped of mouth, and 61 inner wall of water receiving tank and 24 outer wall of water tank are coated with water-repellent layer, the material of water-repellent layer in the present embodiment
Material is fluoroacrylic resin coating.
Referring to Figures 1 and 2, it is provided at sight vane 63 on furred ceiling 7 along the vertical direction through sight vane 63 is offered
Bright visual plate 64, the material of visual plate 64 is colorless and transparent tempered glass in the present embodiment, test block be set to it is visual
Visual plate 64 is fixed on by colorless and transparent adhesive tape in water suction discoloration test paper 65 on plate 64, the edge of water suction discoloration test paper 65
On, the open end of leak test pipe 62 is placed on water suction discoloration test paper 65, offers catch basin in 63 periphery of sight vane on furred ceiling 7
66, absorbent wool 67 is embedded in catch basin 66, and absorbent wool 67 is the absorbent wool 67 that material is PVA, absorbent wool 67 in the present embodiment
Pass through glue adherency and 66 inner wall of catch basin.
The implementation principle of the present embodiment are as follows: when needing to have a bath using shower nozzle, total valve 31 is opened, in total feed pipe 21
Water start to flow, when the first thermostat valve 32 senses water temperature, signal is passed into controller, controller is issued for the first temperature
The signal that valve 32 is opened is controlled, cold water flows in water tank 24 from the first feed pipe 22, and when cold water gradually discharges completion, water temperature is gradually
When being increased to setting value, signal is passed to controller respectively by the first thermostat valve 32 and the second thermostat valve 33, and controller sending makes
The signal that the first thermostat valve 32 is closed and the second thermostat valve 33 is opened is obtained, the first thermostat valve 32 is closed at this time, is stopped to water tank 24
In plus water, the second thermostat valve 33 open, hot water sprays from shower nozzle, and user can begin to use.
Water level there are three setting altogether in water tank 24, water level is located at lowest water level line 243 and overflow water bit line 241 under normal conditions
Between, when the water in the first feed pipe 22 flows into water tank 24, if water is lower than overflow water bit line 241 in water tank 24, water is temporarily stored into
In water tank 24, if the water being added is higher than overflow water bit line 241, extra water is discharged from overflow pipe 25；When closestool use time
When number is more frequent, if water level is lower than lowest water level line 243 in water tank 24, signal is passed to control by the second water level probe 35
Device, controller control will from water source into water tank 24 plus water, when water level reaches at normal water line 242, the first water level probe
Signal is passed to controller by 34, can stop adding water into water tank 24, to guarantee to have in water tank 24 enough water to be used to rinse
Closestool.
When 24 leak of water tank, water is fallen on water receiving tank 61, flows to water suction discoloration test paper 65 using leak test pipe 62
On, after user observes that water suction discoloration test paper 65 changes colour, it can learn that the case where leak occurs in water tank 24, it can on-call maintenance
Water tank 24.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of cold water collection system of water heater, including water heater body (1), and be connected to the water heater body (1)
Jetting member (11), it is characterised in that: further include the water system (2) being connected to the water heater body (1), and control system
It unites (3), the water system (2) includes the total feed pipe (21) being connected to the water heater body (1), with total feed pipe
(21) by the first feed pipe (22) be connected to water tank (24), the overflow pipe (25) being connected to the water tank (24), and with institute
It states water tank (24) and uses water part (261) by what drainpipe (26) were connected to, the jetting member (11) and total feed pipe (21) are logical
The second feed pipe (23) connection is crossed, is successively carved from top to bottom in the water tank (24) and is equipped with overflow water bit line (241), normal water line
(242) and lowest water level line (243), the drainpipe (26) are set at the overflow water bit line (241), Yu Suoshu water
The water supply pipe (27) being connected to water source is provided on case (24), the control system (3) includes being set to total feed pipe
(21) total valve (31) on, the first thermostat valve being respectively arranged on first feed pipe (22) and the second feed pipe (23)
(32) and the second thermostat valve (33), the first water level being respectively arranged at the normal water line (242) and lowest water level line (243)
Probe (34) and the second water level probe (35), and respectively with first thermostat valve (32), the second thermostat valve (33), the first water
The controller that position probe (34) is connected to the second water level probe (35).
2. a kind of cold water collection system of water heater according to claim 1, it is characterised in that: water tank (24) outer wall
It is provided with the protective plate (5) of hollow setting, protective plate (5) inner cavity is provided with heating wire (52), protective plate (5) outer wall
It is provided with temperature sensor (54), the temperature sensor (54) is connected to the controller.
3. a kind of cold water collection system of water heater according to claim 2, it is characterised in that: in the protective plate (5)
Chamber is provided with partition (51), and the heating wire (52) is set to side of the partition (51) close to water tank (24), the partition
(51) other side is provided with insulating layer (53).
4. a kind of cold water collection system of water heater according to claim 1, it is characterised in that: water tank (24) inner wall
It is coated with waterproof paint layer.
5. a kind of cold water collection system of water heater according to claim 1, it is characterised in that: water tank (24) setting
In interior wall roof, and it is located above furred ceiling (7), is provided with leak test component (6) below the water tank (24), the leak test component
(6) including the water receiving tank (61) being set to below the water tank (24), the leak test pipe (62) being connected to the water receiving tank (61), with
And the test block docked with the leak test pipe (62).
6. a kind of cold water collection system of water heater according to claim 5, it is characterised in that: the water receiving tank (61) is in
The arc-shaped of opening upwards, and the water receiving tank (61) inner wall and the water tank (24) outer wall are coated with water-repellent layer.
7. a kind of cold water collection system of water heater according to claim 5, it is characterised in that: opened on the furred ceiling (7)
Equipped with sight vane (63), transparent visual plate (64) is provided at the sight vane (63), the test block is described to be set to
Water suction on visual plate (64) changes colour test paper (65), and the open end of the leak test pipe (62) is set to the water suction discoloration test paper
(65) on.
8. a kind of cold water collection system of water heater according to claim 7, it is characterised in that: Yu Suoshu sight vane (63)
Periphery offers catch basin (66), is embedded with absorbent wool (67) in the catch basin (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910372827.8A CN110207400B (en) | 2019-05-06 | 2019-05-06 | Cold water collecting system of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910372827.8A CN110207400B (en) | 2019-05-06 | 2019-05-06 | Cold water collecting system of water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110207400A true CN110207400A (en) | 2019-09-06 |
| CN110207400B CN110207400B (en) | 2020-09-08 |
Family
ID=67785505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910372827.8A Active CN110207400B (en) | 2019-05-06 | 2019-05-06 | Cold water collecting system of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110207400B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001241763A (en) * | 2000-02-28 | 2001-09-07 | Sanyo Electric Co Ltd | Heat pump hot-water supplier |
| CN104748414A (en) * | 2014-07-22 | 2015-07-01 | 沙卫华 | Antifreezing wall-mounted type solar water heater |
| CN205641570U (en) * | 2016-05-11 | 2016-10-12 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN106091401A (en) * | 2016-08-16 | 2016-11-09 | 芜湖美的厨卫电器制造有限公司 | Intelligent water mixer and flow monitoring method based on it |
| CN207050241U (en) * | 2017-07-06 | 2018-02-27 | 广州市德而乐施电器科技有限公司 | A kind of electric heater with water leakage detecting function |
| CN108930310A (en) * | 2018-07-25 | 2018-12-04 | 黄建平 | A kind of peripheral hardware spring water tank for winter |
| CN208202023U (en) * | 2018-03-29 | 2018-12-07 | 刘语城 | A kind of Mousehold water saving intelligence water storage device |
| CN208501776U (en) * | 2018-03-16 | 2019-02-15 | 才众电脑（深圳)有限公司 | A kind of loading machine self-stripping unit |
-
2019
- 2019-05-06 CN CN201910372827.8A patent/CN110207400B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001241763A (en) * | 2000-02-28 | 2001-09-07 | Sanyo Electric Co Ltd | Heat pump hot-water supplier |
| CN104748414A (en) * | 2014-07-22 | 2015-07-01 | 沙卫华 | Antifreezing wall-mounted type solar water heater |
| CN205641570U (en) * | 2016-05-11 | 2016-10-12 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN106091401A (en) * | 2016-08-16 | 2016-11-09 | 芜湖美的厨卫电器制造有限公司 | Intelligent water mixer and flow monitoring method based on it |
| CN207050241U (en) * | 2017-07-06 | 2018-02-27 | 广州市德而乐施电器科技有限公司 | A kind of electric heater with water leakage detecting function |
| CN208501776U (en) * | 2018-03-16 | 2019-02-15 | 才众电脑（深圳)有限公司 | A kind of loading machine self-stripping unit |
| CN208202023U (en) * | 2018-03-29 | 2018-12-07 | 刘语城 | A kind of Mousehold water saving intelligence water storage device |
| CN108930310A (en) * | 2018-07-25 | 2018-12-04 | 黄建平 | A kind of peripheral hardware spring water tank for winter |
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| Publication number | Publication date |
|---|---|
| CN110207400B (en) | 2020-09-08 |
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