CN111677918A - Novel constant-temperature water mixing valve - Google Patents
Novel constant-temperature water mixing valve Download PDFInfo
- Publication number
- CN111677918A CN111677918A CN202010555422.0A CN202010555422A CN111677918A CN 111677918 A CN111677918 A CN 111677918A CN 202010555422 A CN202010555422 A CN 202010555422A CN 111677918 A CN111677918 A CN 111677918A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- integrated circuit
- temperature
- glass plate
- iron box
- 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
Links
Images
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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/24—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- 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
The invention discloses a novel constant-temperature water mixing valve which comprises a pre-buried iron box which is arranged in a hollow mode and is provided with an opening at one end, wherein a glass plate is installed at the opening end of the pre-buried iron box, an integrated circuit board is fixedly connected to one side, close to the pre-buried iron box, of the glass plate, three buttons are arranged on one side, away from the integrated circuit board, of the glass plate, mounting holes corresponding to the three buttons are formed in the glass plate, the buttons are electrically connected with the integrated circuit board, a power line is arranged on the pre-buried iron box, and one end of the power line penetrates through the pre-buried iron box and. According to the invention, the constant-temperature water mixing valve can automatically discharge cold water in the hot water pipe; according to the invention, the opening of the electric valve controlled by the stepping motor of the constant-temperature water mixing valve can be accurately controlled to 1 ℃, so that the temperature can be controlled more accurately; according to the constant-temperature water mixing valve, the waiting time can be shortened, the water mixing pump does not need to be kept in a working state all the time, and the energy is saved.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a novel constant-temperature water mixing valve.
Background
The constant temperature water mixing valve is a matched product of a heating system and is widely applied to electric water heaters, solar water heaters and centralized water supply systems. Can be applied to constant temperature water supply in hotels, restaurants, hospitals, schools, bathing centers and families.
The existing constant-temperature water mixing valve has the following defects:
1. in a family without central hot water, under the condition that the distance between a water heater and a water outlet faucet is far, the temperature requirement can be met by discharging a large amount of cold water.
2. The water mixer is difficult to adjust under the condition of unbalanced cold and hot water pressure.
3. In order to ensure the temperature of hot water, a circulating pump of a household equipped with central hot water needs to work all the time, and energy waste is caused under a large condition.
Therefore, a novel thermostatic mixing valve is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a novel constant-temperature water mixing valve.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel constant-temperature water mixing valve comprises a pre-buried iron box which is hollow and has an opening at one end, wherein a glass plate is installed at the opening end of the pre-buried iron box, an integrated circuit board is fixedly connected to one side, close to the pre-buried iron box, of the glass plate, three buttons are arranged on one side, away from the integrated circuit board, of the glass plate, mounting holes corresponding to the three buttons are formed in the glass plate, the buttons are electrically connected with the integrated circuit board, a power line is arranged on the pre-buried iron box, and one end of the power line penetrates through the pre-buried iron box and is electrically connected with the integrated;
install two motorised valve bodies in the pre-buried iron box, fixedly connected with actuating mechanism on the motorised valve body, the input of motorised valve body is connected with the inlet tube, actuating mechanism and integrated circuit board electric connection, two the output of motorised valve body is connected with the temperature measurement tee bend through connecting tube, the three-way output of temperature measurement tee bend is through being connected with three-way solenoid valve, install drain pipe and outlet pipe on the three-way solenoid valve, the one end of drain pipe and the one end of outlet pipe all run through pre-buried iron box and outwards extend, three-way solenoid valve passes through motorised valve coil and integrated circuit board electric connection.
Preferably, one side of the glass plate, which is far away from the integrated circuit board, is fixedly connected with a temperature display nixie tube, and the temperature display nixie tube is electrically connected with the integrated circuit board.
Preferably, the glass plate is a translucent glass plate.
Preferably, the driving mechanism includes a stepping motor fixedly connected to the electric valve body, and the stepping motor is electrically connected to the integrated circuit board.
Preferably, one of the water inlet pipes is a cold water pipe, and one of the water inlet pipes is a hot water pipe.
Preferably, the three buttons are a temperature-rising button, a wake-up switch and a temperature-lowering button in sequence.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
1. according to the invention, the constant-temperature water mixing valve can automatically discharge cold water in the hot water pipe;
2. according to the invention, the opening of the electric valve controlled by the stepping motor of the constant-temperature water mixing valve can be accurately controlled to 1 ℃, so that the temperature can be controlled more accurately;
3. according to the constant-temperature water mixing valve, the waiting time can be shortened, the water mixing pump does not need to be kept in a working state all the time, and the energy is saved.
Drawings
Fig. 1 is a schematic structural view of a novel thermostatic water mixing valve provided by the invention;
fig. 2 is a schematic view of a top-view internal structure of the novel thermostatic water mixing valve provided by the invention;
fig. 3 is a schematic view of the internal structure of the novel thermostatic water mixing valve provided by the invention.
In the figure: 1. a glass plate; 2. pre-burying an iron box; 3. an integrated circuit board; 4. a stepping motor; 5. an electrically operated valve body; 6. a water inlet pipe; 7. a water outlet pipe; 8. an electric valve coil; 9. a three-way electromagnetic valve; 10. a temperature measuring tee joint; 11. a drain pipe; 12. a temperature display nixie tube; 13. a button; 14. a power line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a novel constant temperature water mixing valve, including cavity setting and one end open-ended pre-buried iron box 2, glass board 1 is installed to the open end of pre-buried iron box 2, one side fixedly connected with integrated circuit board 3 that glass board 1 is close to pre-buried iron box 2, one side that integrated circuit board 3 was kept away from to glass board 1 is provided with three button 13, be provided with the mounting hole that corresponds with three button 13 on the glass board 1, button 13 and integrated circuit board 3 electric connection, be provided with power cord 14 on the pre-buried iron box 2, the one end of power cord 14 run through pre-buried iron box 2 and with integrated circuit board 3 electric connection.
Install two motorised valve bodies 5 in pre-buried iron box 2, fixedly connected with actuating mechanism on the motorised valve body 5, motorised valve body 5's input is connected with inlet tube 6, actuating mechanism and 3 electric connection of integrated circuit board, two motorised valve body 5's output is connected with temperature measurement tee bend 10 through connecting tube, temperature measurement tee bend 10's output is through being connected with three solenoid valve 9, install drain pipe 11 and outlet pipe 7 on the three solenoid valve 9, the one end of drain pipe 11 and the one end of outlet pipe 7 all run through pre-buried iron box 2 and outside extension, three solenoid valve 9 passes through motorised valve coil 8 and 3 electric connection of integrated circuit board.
Wherein the water outlet pipe 7 is a muddy water device water outlet pipe.
Wherein, the end of the water discharge pipe 11 far away from the three-way electromagnetic valve 9 is connected with the water mixing pump.
Further, one side of the glass plate 1, which is far away from the integrated circuit board 3, is fixedly connected with a temperature display nixie tube 12, and the temperature display nixie tube 12 is electrically connected with the integrated circuit board 3.
Further, the glass plate 1 is a translucent glass plate.
Further, the driving mechanism comprises a stepping motor 4 fixedly connected to the electric valve body 5, and the stepping motor 4 is electrically connected with the integrated circuit board 3.
Furthermore, one of the water inlet pipes 6 is a cold water pipe, and one of the water inlet pipes 6 is a hot water pipe.
Further, the three buttons 13 are a temperature-up button, a wake-up switch and a temperature-down button in sequence.
Wherein, awakening switch is located in the middle for controlling the constant temperature water mixing valve to awaken.
Wherein, the heating button is used for controlling the rotation of the stepping motor 4 connected with the cold water pipe, so as to be convenient for temperature reduction and adjustment.
Wherein, the cooling button is used for controlling the rotation of the stepping motor 4 connected with the hot water pipe, so as to be convenient for temperature rise adjustment.
In the invention, after a user touches a 'wake-up switch' (the wake-up switch is a photosensitive sensor), the singlechip on the integrated circuit board 3 generates a falling edge interrupt to wake up the singlechip, the singlechip exits a power-down mode and closes an external interrupt, and the singlechip sends a low-level signal (taking low-level driving as an example) to a reserved circulating pump interface.
The singlechip on the integrated circuit board 3 sends a positive pulse (the positive pulse is defined as the valve opening direction) to the stepping motor 4 for controlling hot water, and the valve is opened to the maximum; meanwhile, the three-way electromagnetic valve 9 is attracted, water flows to a drain pipe 11 (a circulating pump water inlet) through the three-way electromagnetic valve 9, and the temperature sensor continuously samples the temperature until the temperature is raised to be constant.
The singlechip on the integrated circuit board 3 gradually sends forward pulse to the step motor 4 controlling hot water, and samples the mixed warm water, and until the temperature reaches the requirement, the step motor 4 stops working, the three-way electromagnetic valve 9 is disconnected, and the warm water flows out from the water outlet.
If the temperature of the warm water temperature sensor is constant and higher than the target temperature (the cold water valve reaches the maximum opening), the singlechip on the integrated circuit board 3 sends reverse pulse to the stepping motor 4 for controlling the hot water, and the opening of the valve is reduced until the temperature is proper.
In this process, the user can modify the target temperature by touching "temperature +" "temperature-" (also a photosensitive sensor).
After the user touches the 'wake-up switch' again for a long time, the single chip microcomputer on the integrated circuit board 3 drives the three-way electromagnetic valve 9 to be attracted firstly, a high-level signal is sent to a reserved circulating pump interface, then directional pulses are sent to the stepping motor 4 for controlling hot water and cold water until all valve openings are 0, finally the three-way electromagnetic valve 9 is disconnected, the single chip microcomputer on the integrated circuit board 3 is interrupted and opened, and the integrated circuit board enters a power-down mode again.
According to the invention, the constant-temperature water mixing valve can automatically discharge cold water in the hot water pipe;
in the invention, the opening of the electric valve controlled by the stepping motor 4 of the constant-temperature water mixing valve can be accurately controlled to 1 degree, so that the temperature can be controlled more accurately;
according to the constant-temperature water mixing valve, the waiting time can be shortened, the water mixing pump does not need to be kept in a working state all the time, and the energy is saved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The novel constant-temperature water mixing valve comprises a pre-buried iron box (2) which is arranged in a hollow mode and is provided with an opening at one end, and is characterized in that a glass plate (1) is installed at the opening end of the pre-buried iron box (2), an integrated circuit board (3) is fixedly connected to one side, close to the pre-buried iron box (2), of the glass plate (1), three buttons (13) are arranged on one side, away from the integrated circuit board (3), of the glass plate (1), mounting holes corresponding to the three buttons (13) are formed in the glass plate (1), the buttons (13) are electrically connected with the integrated circuit board (3), a power line (14) is arranged on the pre-buried iron box (2), and one end of the power line (14) penetrates through the pre-buried iron box (2) and is electrically connected with the integrated;
install two motorised valve bodies (5) in pre-buried iron box (2), fixedly connected with actuating mechanism on motorised valve body (5), the input of motorised valve body (5) is connected with inlet tube (6), actuating mechanism and integrated circuit board (3) electric connection, two the output of motorised valve body (5) is connected with temperature measurement tee bend (10) through the connecting tube, the output of temperature measurement tee bend (10) is through being connected with three-way solenoid valve (9), install drain pipe (11) and outlet pipe (7) on three-way solenoid valve (9), the one end of drain pipe (11) and the one end of outlet pipe (7) all run through pre-buried iron box (2) and outwards extend, three-way solenoid valve (9) pass through motorised valve coil (8) and integrated circuit board (3) electric connection.
2. A novel constant-temperature water mixing valve according to claim 1, characterized in that a temperature display nixie tube (12) is fixedly connected to one side of the glass plate (1) far away from the integrated circuit board (3), and the temperature display nixie tube (12) is electrically connected with the integrated circuit board (3).
3. A novel thermostatic mixing valve according to claim 1 characterized in that the glass plate (1) is a translucent glass plate.
4. The novel thermostatic mixing valve according to claim 1, characterized in that the driving mechanism comprises a stepping motor (4) fixedly connected to the electric valve body (5), and the stepping motor (4) is electrically connected to the integrated circuit board (3).
5. A novel thermostatic mixing valve according to claim 1 characterized in that one of the inlet pipes (6) is a cold water pipe and one of the inlet pipes (6) is a hot water pipe.
6. A novel thermostatic mixing valve according to claim 1, characterized in that three of the buttons (13) are a temperature-raising button, a wake-up switch and a temperature-lowering button in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555422.0A CN111677918A (en) | 2020-06-17 | 2020-06-17 | Novel constant-temperature water mixing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555422.0A CN111677918A (en) | 2020-06-17 | 2020-06-17 | Novel constant-temperature water mixing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677918A true CN111677918A (en) | 2020-09-18 |
Family
ID=72455346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010555422.0A Pending CN111677918A (en) | 2020-06-17 | 2020-06-17 | Novel constant-temperature water mixing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111677918A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5551630A (en) * | 1990-10-05 | 1996-09-03 | Toto Ltd. | Hot and cold water mixing discharge device |
| CN101270264A (en) * | 2007-03-22 | 2008-09-24 | 荒川化学工业株式会社 | Polymerized rosin derivant, preparing method and uses thereof |
| CN102398124A (en) * | 2011-04-12 | 2012-04-04 | 广东工业大学 | Water-based cleaning-free flux for lead-free welding flux and preparation method thereof |
| CN205227860U (en) * | 2015-12-28 | 2016-05-11 | 于洋 | Water -saving system for solar water heater |
| CN207005360U (en) * | 2017-04-28 | 2018-02-13 | 青岛经济技术开发区海尔热水器有限公司 | A kind of thermostatic valve with circulating pump |
| CN108317740A (en) * | 2018-04-15 | 2018-07-24 | 蔡洪祥 | A kind of energy conservation and environmental protection shower |
| CN208222812U (en) * | 2018-04-17 | 2018-12-11 | 广东史麦斯电器有限公司 | A kind of storage-type electric water heater of zero cold water |
| CN109506019A (en) * | 2018-12-21 | 2019-03-22 | 南华大学 | The tap and its control method of rapid hot water output |
| CN109578631A (en) * | 2018-12-07 | 2019-04-05 | 南京科技职业学院 | A kind of bathing intelligent constant-temperature constant pressure water-water jet and its control method |
| CN210014545U (en) * | 2019-03-25 | 2020-02-04 | 江苏省当家物联网科技有限公司 | Capacity-increasing constant-temperature preheating dual-mode electric water heater with preheating circulating pump |
-
2020
- 2020-06-17 CN CN202010555422.0A patent/CN111677918A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5551630A (en) * | 1990-10-05 | 1996-09-03 | Toto Ltd. | Hot and cold water mixing discharge device |
| CN101270264A (en) * | 2007-03-22 | 2008-09-24 | 荒川化学工业株式会社 | Polymerized rosin derivant, preparing method and uses thereof |
| CN102398124A (en) * | 2011-04-12 | 2012-04-04 | 广东工业大学 | Water-based cleaning-free flux for lead-free welding flux and preparation method thereof |
| CN205227860U (en) * | 2015-12-28 | 2016-05-11 | 于洋 | Water -saving system for solar water heater |
| CN207005360U (en) * | 2017-04-28 | 2018-02-13 | 青岛经济技术开发区海尔热水器有限公司 | A kind of thermostatic valve with circulating pump |
| CN108317740A (en) * | 2018-04-15 | 2018-07-24 | 蔡洪祥 | A kind of energy conservation and environmental protection shower |
| CN208222812U (en) * | 2018-04-17 | 2018-12-11 | 广东史麦斯电器有限公司 | A kind of storage-type electric water heater of zero cold water |
| CN109578631A (en) * | 2018-12-07 | 2019-04-05 | 南京科技职业学院 | A kind of bathing intelligent constant-temperature constant pressure water-water jet and its control method |
| CN109506019A (en) * | 2018-12-21 | 2019-03-22 | 南华大学 | The tap and its control method of rapid hot water output |
| CN210014545U (en) * | 2019-03-25 | 2020-02-04 | 江苏省当家物联网科技有限公司 | Capacity-increasing constant-temperature preheating dual-mode electric water heater with preheating circulating pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100434779C (en) | Digital controlled temp. regulating automatic water tap | |
| CN103884105B (en) | A kind of constant-temperature bathing system | |
| CN201474007U (en) | E-intelligent touch control water faucet | |
| CN105832222A (en) | Intelligent shower control system | |
| CN2884024Y (en) | Curculation and water-saving type backwater device of water-heater | |
| CN114440467A (en) | Operation method of micro-bubble water heater | |
| CN202501043U (en) | Constant temperature water outgoing controller and constant temperature water supply system | |
| CN107013713A (en) | One kind opens i.e. warm outlet valve | |
| CN201007524Y (en) | Solar and heat pump energy source complementary hot water supplying device | |
| CN102967050A (en) | Control device for automatically adjusting outlet water temperature of water heater | |
| CN208381388U (en) | A kind of intelligent tap | |
| CN200999887Y (en) | Temp.-controlled temperature adjustment automatic tap | |
| CN111677918A (en) | Novel constant-temperature water mixing valve | |
| CN110344470A (en) | Water system | |
| CN108826434A (en) | A kind of intelligent terminal water valve and hot-water heating system | |
| CN201637127U (en) | Water temperature measuring and control device for shower in public bathroom | |
| CN105987492A (en) | Energy-saving gas water heater | |
| CN105526383B (en) | Electric operated thermostatic valve | |
| CN204347668U (en) | A kind of message bathtub intelligent control circuit | |
| CN210486121U (en) | Cold water circulation energy-saving device for water heater | |
| CN208859052U (en) | Temperature-controlling water faucet | |
| CN101986234A (en) | Constant temperature water outlet control device for tap | |
| CN206889763U (en) | One kind opens i.e. warm outlet valve | |
| CN201715715U (en) | Automatic water-saving device for water heater | |
| JPH0315964Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |
Application publication date: 20200918 |
|
| RJ01 | Rejection of invention patent application after publication |