WO2016173334A1 - Separation system for recycling cold water - Google Patents
Separation system for recycling cold water Download PDFInfo
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- WO2016173334A1 WO2016173334A1 PCT/CN2016/076815 CN2016076815W WO2016173334A1 WO 2016173334 A1 WO2016173334 A1 WO 2016173334A1 CN 2016076815 W CN2016076815 W CN 2016076815W WO 2016173334 A1 WO2016173334 A1 WO 2016173334A1
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- piston
- chamber
- water
- cold water
- sensing element
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- 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
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
Definitions
- the invention relates to a pipe valve system, in particular to a shunt system for recycling cold water to a water supply line of a water heater, and to a diverter valve for recovering cold water.
- CN201520261006.4 discloses a shunting structure for recovering cold water, which can avoid waste caused by discharging cold water by establishing a cold water circulation loop in which cold water is connected to the water inlet end of the water heater.
- this patented product often has a major failure. After the water is hot, the circulation cannot be stopped. The hot water will flow through the cold water pipe through the circulation pipeline. The cold water pipe also becomes a hot water pipe, which not only wastes energy, but also fails. Adjust the water temperature of the faucet. This is because the ejector pin is placed on the end cap of the valve body at the left end. When the piston moves left and right, the gap between the sealing disc and the piston end cap is changed.
- the object of the present invention is to provide a reliable operation.
- the gap of the water-passing hole on the end cap of the piston is not changed by the movement of the piston, and the cold water is returned.
- the rear piston can effectively block the return passage.
- a flow dividing system for recovering cold water comprising a diverter valve and a circulation pump, the diverter valve comprising a valve body sealed by left and right ends of the end cap, the valve The middle section of the body is a water passage, and the left and right ends of the water passage are respectively a diversion chamber communicating with the hot water inlet pipe, and a return chamber communicating with the cold water inlet pipe, and a heat connected to the hot water outlet is disposed on the left side of the diversion chamber.
- a water chamber a hollow piston with a water passage hole in the side wall is disposed in the split chamber; a left end end of the piston has a piston end cover with a water hole, and a temperature sensing element is installed in the hollow body of the piston, and the temperature sensing element is A sealing disc is mounted thereon, and the sealing disc is axially blocked by a spring supported by a right end of the temperature sensing element; a check valve is arranged between the return chamber and the water passage; When the water passage and the mixing chamber are connected, the one-way valve is connected to the return chamber, and the circulation pump is installed in the cold water inlet pipe that communicates with the water inlet end of the water heater, so that the split chamber-water passage-return chamber-cold water inlet water
- the pipeline constitutes the return channel of cold water
- the utility model is characterized in that: the left end of the piston end cover of the piston is screwed with the right end of the temperature regulating bolt, and the other end of the temperature regulating bolt is connected with a bolt
- the top is placed on the temperature regulating bolt, and the temperature sensing element is moved to the right of the sealing plate to open the water passage hole of the piston end cover, and the top spring installed in the bolt sleeve is pushed to the right side of the piston by the bolt when the pressure is balanced in the left and right chambers of the piston. Block the water passage.
- the shunt system for recovering cold water further includes a water heater.
- the water heater is a rapid heat or a heat storage type water heater.
- the present invention also relates to a diverter valve for recovering cold water
- the diverter valve comprises a valve body sealed by left and right ends of the end cover, a middle section of the valve body is a water passage, and left and right ends of the water passage are respectively a diversion chamber communicating with the hot water inlet pipe, and are connected with the cold water inlet pipe a recirculation chamber, a hot water chamber connected to the hot water outlet is disposed on the left side of the diversion chamber; a hollow piston with a water passage hole through the side wall is disposed in the diversion chamber, and the left end of the piston has a water passage hole
- the piston end cover is provided with a temperature sensing element in the hollow body of the piston, and the temperature sensing element is mounted with a sealing disk, and the sealing disk is axially inserted into the water passage hole of the piston end cover by the action of the spring mounted on the right end of the temperature sensing element.
- a check valve is arranged between the return chamber and the water passage, and when the water passage and the mixing chamber are connected, the check valve is electrically connected to the return chamber; and the piston end cap of the piston is left
- the threaded bolt is connected to the right end of the temperature regulating bolt, and the other end of the temperature regulating bolt is connected with a bolt sleeve mounted on the left end cover of the valve body.
- the return chamber is in communication with a cold water outlet; the hot water outlet and the cold water outlet are connected to a mixing valve, or they are respectively associated with a hot water valve Connected to the cold water valve.
- the left end of the temperature regulating bolt sleeve is connected with a temperature adjustment knob, and the temperature adjustment knob is rotated counterclockwise or clockwise to change the stroke of the left rod when the plunger is heated and extended.
- the piston divides the splitting chamber into a left chamber and a right chamber, wherein the piston end cover is at a maximum diameter of the piston, and a gap is formed between the outer side wall and the inner wall of the splitting chamber; the left chamber and the hot water chamber Connected, the right chamber communicates with the water inlet pipe, and the left and right chambers communicate through the gap, or through the water passing hole II of the piston side wall and the water passing hole I on the piston end cover.
- the pressure change generated by the cold water flowing out from the hot water outlet can be turned on to turn on the circulating water pump or the booster pump working switch, so that the water flows into the water inlet pipe 14.
- the piston can be quickly moved to the left, the left chamber disappears, and the piston blocks the hot water chamber, so that the remaining cold water in the hot water outlet pipe can be returned to the cold water inlet pipe.
- the one-way valve 1 Since the one-way valve 1 is disposed before the water passing pipe 19 and the returning chamber, when hot water is used, the cold water does not flow back through the water pipe 19 into the splitting chamber.
- the temperature sensing element can be supported such that the sealing disk blocks the water passing hole I 5 of the piston end cover 6, and since the ejector rod of the temperature sensing element expands and contracts in a constant space, it only changes the sealing
- the gap between the disc 3 and the piston end cover 6 through the water hole I 5 does not drive the piston to slide in the diverting chamber, and the balance of the left and right chambers cannot be established due to frequent movement of the piston, and the return passage cannot be blocked, so that the circulation cannot be stopped.
- the piston will not move back and forth in the splitting chamber to generate vibration and noise.
- the piston movement is not directly affected by the operation of the temperature sensing element, and is only affected by the pressure change of the left and right chambers in the splitting chamber, and the reliability is high.
- the temperature sensing element works, remove the sealing disk, so that the water hole II of the piston side wall and the water hole I on the piston end cover communicate with the left chamber, and the pressure balance of the left and right chambers is re-established, in the top spring 12 Under the action of the piston, the piston is moved to the right to block the return channel.
- the distance that the ejector rod 4 of the temperature sensing element moves to the temperature regulating bolt can be adjusted according to needs. When the water temperature is high, the distance is adjusted to be larger, and the distance can be adjusted smaller when the outlet water temperature is lower.
- Figure 1 is a schematic diagram of the structure of an embodiment of the system of the present invention
- FIGS. 2 to 4 are structural cross-sectional views showing three operating states of the diverter valve of the present invention.
- A water heater
- B circulation pump
- C diverter valve
- D mixing valve
- a left chamber
- b right chamber
- 4, ejector 5, water hole I; 6, piston end cover; 7, temperature adjustment bolt; 8, water hole III; 9, hot water outlet; 10, left end cover; 11, temperature adjustment bolt sleeve; 12, top spring; 13, cold water outlet; 14, water inlet channel; 15, piston; 16 split cavity; 17 support spring; 18, water hole II; 19, water passage; 20 cold water inlet pipe; Cavity; 22, thermostat knob; 23, hot water chamber; 24, valve body.
- the shunting system for recovering cold water of the present invention includes a water heater A, a diverter valve C, and a circulation pump B. Further, the hot and cold water outlet end of the diverter valve is connected to the mixing valve D, or the hot water valve and the cold water valve are respectively connected.
- the diverter valve includes a valve body sealed by left and right ends of the end cap, the middle portion of the valve body is a water passage 19, and the left and right ends of the water passage are respectively a diversion chamber communicating with the hot water inlet pipe. 16 and a recirculation chamber 21 communicating with the cold water inlet pipe, a hot water chamber communicating with the hot water outlet 9 is disposed on the left side of the diversion chamber; and a hollow piston having a side wall with a water hole is disposed in the diversion chamber 15.
- the left end of the piston has a piston end cover 6 with a water hole 5, and a temperature sensing element 2 is mounted in the hollow body of the piston, and a sealing disk 3 is mounted on the temperature sensing element, and the sealing disk is mounted on the right end of the temperature sensing element.
- a check valve 1 is disposed between the return air chamber and the water passage 19, and when the water passage 19 is electrically connected to the mixing chamber, the one-way valve The valve 1 is electrically connected to the return chamber, and the circulation pump is installed in the cold water inlet pipe communicating with the water inlet end of the water heater, so that the splitting chamber 16 - the water passage 19 - the return chamber 21 - the cold water inlet pipe 20 constitute a return passage of cold water;
- the utility model is characterized in that: the left end of the piston end cover 6 of the piston 15 is screwed to the right end of the temperature regulating bolt 7 The other end of the temperature regulating bolt 7 is connected with a bolt sleeve 11 mounted on the left end cover 10 of the valve body, and the temperature sensing element top rod (4) is placed on the temperature regulating bolt when the heat is extended by the heat to seal the temperature sensing element.
- the disk is moved to the right to open the water hole of the piston end cover, and the top spring 12 installed in the bolt sleeve 11 is pushed by the bolt 7 to press the water passage 19 to the right when the pressure is balanced by the left and right chambers of the piston 15.
- the return chamber 21 is in communication with the cold water outlet.
- the left end of the temperature regulating bolt sleeve 11 is connected to the temperature adjustment knob 22, and the nut is rotated counterclockwise or clockwise to change the stroke of the left rod 4 when it is extended by the heat.
- the piston 15 divides the splitting chamber into a left chamber and a right chamber, the piston end cover 6 is at the maximum diameter of the piston, and a gap is formed between the outer side wall and the inner wall of the splitting chamber; the left chamber and the heat
- the water chamber is connected, the right chamber is connected to the water inlet pipe, and the left and right chambers are connected through the gap, or through the water hole II 18 of the piston side wall and the water passing hole I 5 on the piston end cover.
- the water flow rate of the hole III 8 is at this time, the pressure balance of the left chamber and the right chamber of the splitting chamber 16 is re-established, the pressure of the front and rear chambers is rebalanced, and the piston closes the water passage 19 under the action of the top spring 12, and the hot water passes.
- the water passage hole of the piston side wall 18 - the water passage hole I - 5 - the left chamber - the hot water chamber on the piston end cover flows out from the hot water outlet 9 (see Fig. 4).
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
A separation system for recycling cold water and a separation valve. The separation valve comprises a valve body, left and right ends being sealed by means of end covers. A water passing channel (19) is provided in the middle of the valve body. The left and right ends of the valve body are a separation cavity (16) communicated with a hot water inlet pipe and a backflow cavity (21) communicated with a cold water inlet pipe, respectively. A hot water cavity communicated with a hot water outlet (9) is provided on the left side of the separation cavity (16). A hollow piston (15) is disposed in the separation cavity (16), a water passing hole being provided in the side wall of the piston (15). The left end of the piston (15) is provided with a piston end cover (6) with a water passing hole (5). A temperature sensing element (2) is mounted in a hollow body of the piston (15). A sealing disc (3) is mounted on the temperature sensing element (2). The sealing disc (3) axially seals the water passing hole (5) of the piston end cover (6) by means of a supporting spring (17) mounted at the right end of the temperature sensing element (2). A one-way valve (1) is disposed between the backflow cavity (21) and the water passing channel (19). The temperature sensing element (2) does not drive the piston (15) to slide, a backflow channel of cold water cannot be mistakenly opened so as not to cause that a cycle cannot stop, and the piston (15) will not move back and forth in the separation cavity (16) so as not to generate vibration and noise.
Description
本发明涉及管阀系统,具体是一种与热水器供水管路配用的用于回收冷水的分流系统,还涉及用于回收冷水的分流阀。The invention relates to a pipe valve system, in particular to a shunt system for recycling cold water to a water supply line of a water heater, and to a diverter valve for recovering cold water.
现有技术中热水供应系统中,往往存在用水点距离热水供应点较远的情况,由于供水管有一定长度,因而在使用热水时,每次都需排放一定量的存留冷水才能供应出热水,造成水资源的浪费。In the prior art hot water supply system, there is often a case where the water point is far from the hot water supply point. Since the water supply pipe has a certain length, when using the hot water, a certain amount of remaining cold water is required to be supplied each time. Hot water is produced, causing waste of water resources.
针对上述问题,CN201520261006.4公开了一种用于回收冷水的分流结构,通过建立冷水与热水器进水端连通的冷水循环回路,能够避免排放冷水而造成的浪费。但该专利产品经常会出现一个重大的故障,就是水热后,循环无法停止,热水还会经过循环管路流经冷水管道,冷水管也变成了热水管,不但浪费能源,还不法调节龙头的水温度。这是由于顶杆是顶在阀体左端的端盖上,当活塞左右移动时,会改变密封盘与活塞端盖的间隙,当水热后感温元件的顶杆伸出,密封盘与活塞端盖产生间隙,活塞右移同时间隙也减小,密封盘与活塞端盖的间隙的水流量始终小于出水孔的流量,活塞左腔压力小于右腔压力,弹簧无法克服压力差,使活塞无法关闭冷水的回流通道,使循环无法停止。由于活塞在分流腔中来回移动,而产生振动和噪音。In response to the above problem, CN201520261006.4 discloses a shunting structure for recovering cold water, which can avoid waste caused by discharging cold water by establishing a cold water circulation loop in which cold water is connected to the water inlet end of the water heater. However, this patented product often has a major failure. After the water is hot, the circulation cannot be stopped. The hot water will flow through the cold water pipe through the circulation pipeline. The cold water pipe also becomes a hot water pipe, which not only wastes energy, but also fails. Adjust the water temperature of the faucet. This is because the ejector pin is placed on the end cap of the valve body at the left end. When the piston moves left and right, the gap between the sealing disc and the piston end cap is changed. When the water is hot, the ejector rod of the temperature sensing element protrudes, and the sealing disc and the piston The end cover creates a gap, the piston moves to the right while the clearance is also reduced, the water flow in the gap between the sealing disc and the piston end cover is always smaller than the flow rate of the water outlet hole, the left chamber pressure of the piston is smaller than the right chamber pressure, and the spring cannot overcome the pressure difference, so that the piston cannot be Close the return channel of the cold water so that the cycle cannot be stopped. Vibration and noise are generated as the piston moves back and forth in the splitter chamber.
发明内容Summary of the invention
为克服上述技术存在的不足,本发明的目的是提供一种工作可靠
性高的用于回收冷水的分流系统和用于回收冷水的分流阀,当感温元件工作后,打开活塞端盖上的过水孔的间隙不会由于活塞的移动而改变,并且冷水回流完成后能活塞有效的封堵回流通道。In order to overcome the deficiencies of the above techniques, the object of the present invention is to provide a reliable operation.
A high-flow diverting system for recovering cold water and a diverter valve for recovering cold water. When the temperature sensing element is operated, the gap of the water-passing hole on the end cap of the piston is not changed by the movement of the piston, and the cold water is returned. The rear piston can effectively block the return passage.
为实现本发明的目的而采用的技术方案之一是:一种用于回收冷水的分流系统,包括分流阀及循环泵,所述分流阀包括通过端盖左右端封的阀体、所述阀体的中段为过水通道,过水通道的左右端分别为与热水进水管连通的分流腔,及与冷水进水管连通的回流腔,在分流腔左侧设置有与热水出口连通的热水腔;在所述分流腔内设置有中空的、侧壁带过水孔的活塞,活塞的的左端具有带过水孔的活塞端盖,在活塞中空体内安装有感温元件,感温元件上安装有密封盘,所述密封盘通过感温元件右端安装的撑簧的作用对活塞端盖的过水孔进行轴向封堵;在回流腔与过水通道之间设置有单向阀,当过水通道与混合腔导通时,单向阀与回流腔导通,循环泵安装在与热水器进水端连通的冷水进水管中,使分流腔-过水通道-回流腔-冷水进水管道构成冷水的回流通道;其特征在于:所述活塞的活塞端盖左端与调温螺栓的右端螺纹连接,调温螺栓的另一端与安装在阀体左端盖上的螺栓套键连接,感温元件顶杆受热伸出时顶在调温螺栓上而使感温元件带着密封盘右移而打开活塞端盖的过水孔,并由安装在螺栓套内的顶簧通过螺栓在活塞左右腔室压力平衡时右推活塞封堵过水通道。One of the technical solutions adopted for achieving the object of the present invention is: a flow dividing system for recovering cold water, comprising a diverter valve and a circulation pump, the diverter valve comprising a valve body sealed by left and right ends of the end cap, the valve The middle section of the body is a water passage, and the left and right ends of the water passage are respectively a diversion chamber communicating with the hot water inlet pipe, and a return chamber communicating with the cold water inlet pipe, and a heat connected to the hot water outlet is disposed on the left side of the diversion chamber. a water chamber; a hollow piston with a water passage hole in the side wall is disposed in the split chamber; a left end end of the piston has a piston end cover with a water hole, and a temperature sensing element is installed in the hollow body of the piston, and the temperature sensing element is A sealing disc is mounted thereon, and the sealing disc is axially blocked by a spring supported by a right end of the temperature sensing element; a check valve is arranged between the return chamber and the water passage; When the water passage and the mixing chamber are connected, the one-way valve is connected to the return chamber, and the circulation pump is installed in the cold water inlet pipe that communicates with the water inlet end of the water heater, so that the split chamber-water passage-return chamber-cold water inlet water The pipeline constitutes the return channel of cold water The utility model is characterized in that: the left end of the piston end cover of the piston is screwed with the right end of the temperature regulating bolt, and the other end of the temperature regulating bolt is connected with a bolt sleeve mounted on the left end cover of the valve body, and the temperature sensing element ejector is heated and extended. The top is placed on the temperature regulating bolt, and the temperature sensing element is moved to the right of the sealing plate to open the water passage hole of the piston end cover, and the top spring installed in the bolt sleeve is pushed to the right side of the piston by the bolt when the pressure is balanced in the left and right chambers of the piston. Block the water passage.
上述的技术方案中,用于回收冷水的分流系统还包括热水器。所述热水器为速热或储热式热水器。In the above technical solution, the shunt system for recovering cold water further includes a water heater. The water heater is a rapid heat or a heat storage type water heater.
作为同一技术方案,本发明还涉及一种用于回收冷水的分流阀,
所述分流阀包括通过端盖左右端封的阀体、所述阀体的中段为过水通道,过水通道的左右端分别为与热水进水管连通的分流腔,及与冷水进水管连通的回流腔,在分流腔左侧设置有与热水出口连通的热水腔;在所述分流腔内设置有中空的、侧壁带过水孔的活塞,活塞的的左端具有带过水孔的活塞端盖,在活塞中空体内安装有感温元件,感温元件上安装有密封盘,所述密封盘通过感温元件右端安装的撑簧的作用对活塞端盖的过水孔进行轴向封堵;在回流腔与过水通道之间设置有单向阀,当过水通道与混合腔导通时,单向阀与回流腔导通;其特征在于:所述活塞的活塞端盖左端与调温螺栓的右端螺纹连接,调温螺栓的另一端与安装在阀体左端盖上的螺栓套键连接,感温元件顶杆受热伸出时顶在调温螺栓上而使感温元件带着密封盘右移而打开活塞端盖的过水孔,并由安装在螺栓套内的顶簧通过螺栓在活塞左右腔室压力平衡时右推活塞封堵过水通道。As a technical solution, the present invention also relates to a diverter valve for recovering cold water,
The diverter valve comprises a valve body sealed by left and right ends of the end cover, a middle section of the valve body is a water passage, and left and right ends of the water passage are respectively a diversion chamber communicating with the hot water inlet pipe, and are connected with the cold water inlet pipe a recirculation chamber, a hot water chamber connected to the hot water outlet is disposed on the left side of the diversion chamber; a hollow piston with a water passage hole through the side wall is disposed in the diversion chamber, and the left end of the piston has a water passage hole The piston end cover is provided with a temperature sensing element in the hollow body of the piston, and the temperature sensing element is mounted with a sealing disk, and the sealing disk is axially inserted into the water passage hole of the piston end cover by the action of the spring mounted on the right end of the temperature sensing element. Blocking; a check valve is arranged between the return chamber and the water passage, and when the water passage and the mixing chamber are connected, the check valve is electrically connected to the return chamber; and the piston end cap of the piston is left The threaded bolt is connected to the right end of the temperature regulating bolt, and the other end of the temperature regulating bolt is connected with a bolt sleeve mounted on the left end cover of the valve body. When the temperature sensing element rod is extended by heat, it is placed on the temperature regulating bolt to make the temperature sensing element Opening the sealing disc to the right and opening the piston end cap Water holes, bolt by a spring mounted on the top of sleeve piston is pushed by the bolt blocking the right over the water passage around the piston chamber pressure equalization.
进一步地,上述用于回收冷水的分流系统或用于回收冷水的分流阀中,所述回流腔与冷水出口连通;所述热水出口及冷水出口与混合阀连接,或它们分别与热水阀和冷水阀连接。Further, in the above-described splitting system for recovering cold water or a diverter valve for recovering cold water, the return chamber is in communication with a cold water outlet; the hot water outlet and the cold water outlet are connected to a mixing valve, or they are respectively associated with a hot water valve Connected to the cold water valve.
进一步地,所述调温螺栓套的左端连接调温旋钮,通过逆时针或顺时针旋转调温旋钮,改变顶杆受热伸出时左移的行程。Further, the left end of the temperature regulating bolt sleeve is connected with a temperature adjustment knob, and the temperature adjustment knob is rotated counterclockwise or clockwise to change the stroke of the left rod when the plunger is heated and extended.
进一步地,活塞将分流腔分隔成左腔室和右腔室,所述活塞端盖为活塞的最大直径处,其外侧壁与分流腔内壁之间有一定的间隙;左腔室与热水腔连通,右腔室与进水管道连通,左右腔室通过间隙连通,或通过活塞侧壁的过水孔II、活塞端盖上的过水孔I连通。
Further, the piston divides the splitting chamber into a left chamber and a right chamber, wherein the piston end cover is at a maximum diameter of the piston, and a gap is formed between the outer side wall and the inner wall of the splitting chamber; the left chamber and the hot water chamber Connected, the right chamber communicates with the water inlet pipe, and the left and right chambers communicate through the gap, or through the water passing hole II of the piston side wall and the water passing hole I on the piston end cover.
本发明的优点及有益效果如下:The advantages and benefits of the present invention are as follows:
1、当热水出口发生漏水情形时,由于活塞与分流腔之间的间隙,可使水流在压力差的带动迅速从进水口流进分流腔与热水腔中以维持新的压力平衡,从而可避免活塞在此种情形下发生误判而意外启动分流工作。1. When the hot water outlet leaks, due to the gap between the piston and the splitting chamber, the water flow can be quickly moved from the water inlet into the splitting chamber and the hot water chamber to maintain a new pressure balance. It can avoid the misjudgment of the piston under such circumstances and unexpectedly start the diverting work.
2、打开热水龙头时,存留冷水从热水出口流出所产生的压力变化即可开启循环水泵或者增压泵工作开关,使得有水流流进进水口管道14。同时,由于左腔室压力的减少还可使活塞迅速地向左移动,左腔室消失,活塞封堵热水腔,使得热水出水管道中的存留冷水能回流进冷水进水管道。2. When the hot water tap is turned on, the pressure change generated by the cold water flowing out from the hot water outlet can be turned on to turn on the circulating water pump or the booster pump working switch, so that the water flows into the water inlet pipe 14. At the same time, due to the decrease of the pressure of the left chamber, the piston can be quickly moved to the left, the left chamber disappears, and the piston blocks the hot water chamber, so that the remaining cold water in the hot water outlet pipe can be returned to the cold water inlet pipe.
3、由于在过水管道19与回流腔之前设置单向阀1,使用热水时,冷水不会经过水管道19进分流腔发生倒流。3. Since the one-way valve 1 is disposed before the water passing pipe 19 and the returning chamber, when hot water is used, the cold water does not flow back through the water pipe 19 into the splitting chamber.
4、通过撑簧17的设置,可支撑感温元件使得密封盘封堵活塞端盖6的过水孔I 5,由于感温元件的顶杆在一个不变的空间内伸缩,它仅改变密封盘3与活塞端盖6过水孔I 5的间隙,并不带动活塞在分流腔内滑动,不会造成因活塞频繁移动无法建立左右腔室的平衡,不能封堵回流通道,使循环无法停止的情况,活塞也不会在分流腔中来回移动而产生振动和噪音。4. By means of the arrangement of the springs 17, the temperature sensing element can be supported such that the sealing disk blocks the water passing hole I 5 of the piston end cover 6, and since the ejector rod of the temperature sensing element expands and contracts in a constant space, it only changes the sealing The gap between the disc 3 and the piston end cover 6 through the water hole I 5 does not drive the piston to slide in the diverting chamber, and the balance of the left and right chambers cannot be established due to frequent movement of the piston, and the return passage cannot be blocked, so that the circulation cannot be stopped. In this case, the piston will not move back and forth in the splitting chamber to generate vibration and noise.
5、活塞移动不直接受感温元件工作的影响,只受分流腔内左右腔室压力变化的影响,可靠性高。包括三种:1、感温元件没有工作,左右腔室的压力平衡由活塞与分流腔内壁的间隙保证,在顶簧12的作用下活塞右移封堵回流通道。2、右腔室的压力大于左腔室并克服
顶簧阻力时,活塞左移封堵热水腔进口。3、感温元件工作,移开密封盘,使活塞侧壁的过水孔II、活塞端盖上的过水孔I与左腔室连通,左右腔室的压力平衡重新建立,在顶簧12的作用下活塞右移封堵回流通道。5. The piston movement is not directly affected by the operation of the temperature sensing element, and is only affected by the pressure change of the left and right chambers in the splitting chamber, and the reliability is high. There are three types: 1. The temperature sensing element does not work, and the pressure balance of the left and right chambers is ensured by the gap between the piston and the inner wall of the splitting chamber. Under the action of the top spring 12, the piston is moved to the right to block the return passage. 2. The pressure in the right chamber is greater than the left chamber and overcomes
When the top spring resistance, the piston moves left to block the inlet of the hot water chamber. 3. The temperature sensing element works, remove the sealing disk, so that the water hole II of the piston side wall and the water hole I on the piston end cover communicate with the left chamber, and the pressure balance of the left and right chambers is re-established, in the top spring 12 Under the action of the piston, the piston is moved to the right to block the return channel.
6、感温元件的顶杆4向调温螺栓移动的距离可以根据需要调节,当需要出水温度高时,距离调大些,需要出水温度较低时所述距离可调小些。6. The distance that the ejector rod 4 of the temperature sensing element moves to the temperature regulating bolt can be adjusted according to needs. When the water temperature is high, the distance is adjusted to be larger, and the distance can be adjusted smaller when the outlet water temperature is lower.
本发明的上述结构可以通过附图给出的非限定性的实施例进一步说明;The above structure of the present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
本发明给出如下附图:The present invention gives the following figures:
图1是本发明系统实施例的结构原理图Figure 1 is a schematic diagram of the structure of an embodiment of the system of the present invention
图2-图4是本发明分流阀的三种工作状态的的结构剖视图。2 to 4 are structural cross-sectional views showing three operating states of the diverter valve of the present invention.
附图中:A、热水器;B、循环泵;C、分流阀;D、混合阀;a、左腔室;b、右腔室;1单向阀;2、感温元件;3、密封盘;4、顶杆;5、过水孔I;6、活塞端盖;7、调温螺栓;8、过水孔III;9、热水出口;10、左端盖;11、调温螺栓套;12、顶簧;13、冷水出口;14、进水通道;15、活塞;16分流腔;17撑簧;18、过水孔II;19、过水通道;20冷水进水管道;21、回流腔;22、调温旋钮;23、热水腔;24、阀体。In the drawings: A, water heater; B, circulation pump; C, diverter valve; D, mixing valve; a, left chamber; b, right chamber; 1 check valve; 2, temperature sensing element; 4, ejector; 5, water hole I; 6, piston end cover; 7, temperature adjustment bolt; 8, water hole III; 9, hot water outlet; 10, left end cover; 11, temperature adjustment bolt sleeve; 12, top spring; 13, cold water outlet; 14, water inlet channel; 15, piston; 16 split cavity; 17 support spring; 18, water hole II; 19, water passage; 20 cold water inlet pipe; Cavity; 22, thermostat knob; 23, hot water chamber; 24, valve body.
以下结合附图,对本发明作进一步说明:The present invention will be further described below in conjunction with the accompanying drawings:
如图1所示,本发明的用于回收冷水的分流系统,包括热水器A、分流阀C及循环泵B。进一步的,分流阀的冷热出水端连接混合阀D,或分别连接热水阀和冷水阀。As shown in FIG. 1, the shunting system for recovering cold water of the present invention includes a water heater A, a diverter valve C, and a circulation pump B. Further, the hot and cold water outlet end of the diverter valve is connected to the mixing valve D, or the hot water valve and the cold water valve are respectively connected.
参见2-4图,所述分流阀包括通过端盖左右端封的阀体、所述阀体的中段为过水通道19,过水通道的左右端分别为与热水进水管连通的分流腔16,及与冷水进水管连通的回流腔21,在分流腔左侧设置有与热水出口9连通的热水腔;在所述分流腔内设置有中空的、侧壁带过水孔的活塞15,活塞的的左端具有带过水孔5的活塞端盖6,在活塞中空体内安装有感温元件2,感温元件上安装有密封盘3,所述密封盘通过感温元件右端安装的撑簧17的作用对活塞端盖的过水孔进行轴向封堵;在回流腔与过水通道19之间设置有单向阀1,当过水通道19与混合腔导通时,单向阀1与回流腔导通,循环泵安装在与热水器进水端连通的冷水进水管中,使分流腔16-过水通道19-回流腔21-冷水进水管道20构成冷水的回流通道;其特征在于:所述活塞15的活塞端盖6左端与调温螺栓7的右端螺纹连接,调温螺栓7的另一端与安装在阀体左端盖10上的螺栓套11键连接,感温元件顶杆(4)受热伸出时顶在调温螺栓上而使感温元件带着密封盘右移而打开活塞端盖的过水孔,并由安装在螺栓套11内的顶簧12通过螺栓7在活塞15左右腔压力平衡时右推活塞封堵过水通道19。Referring to Figures 2-4, the diverter valve includes a valve body sealed by left and right ends of the end cap, the middle portion of the valve body is a water passage 19, and the left and right ends of the water passage are respectively a diversion chamber communicating with the hot water inlet pipe. 16 and a recirculation chamber 21 communicating with the cold water inlet pipe, a hot water chamber communicating with the hot water outlet 9 is disposed on the left side of the diversion chamber; and a hollow piston having a side wall with a water hole is disposed in the diversion chamber 15. The left end of the piston has a piston end cover 6 with a water hole 5, and a temperature sensing element 2 is mounted in the hollow body of the piston, and a sealing disk 3 is mounted on the temperature sensing element, and the sealing disk is mounted on the right end of the temperature sensing element. The action of the spring 17 axially blocks the water passage hole of the piston end cover; a check valve 1 is disposed between the return air chamber and the water passage 19, and when the water passage 19 is electrically connected to the mixing chamber, the one-way valve The valve 1 is electrically connected to the return chamber, and the circulation pump is installed in the cold water inlet pipe communicating with the water inlet end of the water heater, so that the splitting chamber 16 - the water passage 19 - the return chamber 21 - the cold water inlet pipe 20 constitute a return passage of cold water; The utility model is characterized in that: the left end of the piston end cover 6 of the piston 15 is screwed to the right end of the temperature regulating bolt 7 The other end of the temperature regulating bolt 7 is connected with a bolt sleeve 11 mounted on the left end cover 10 of the valve body, and the temperature sensing element top rod (4) is placed on the temperature regulating bolt when the heat is extended by the heat to seal the temperature sensing element. The disk is moved to the right to open the water hole of the piston end cover, and the top spring 12 installed in the bolt sleeve 11 is pushed by the bolt 7 to press the water passage 19 to the right when the pressure is balanced by the left and right chambers of the piston 15.
进一步的,上述分流系统和分流阀中,所述回流腔21与冷水出口连通。
Further, in the above-described splitting system and the diverter valve, the return chamber 21 is in communication with the cold water outlet.
所述调温螺栓套11的左端连接调温旋钮22,通过逆时针或顺时针旋转螺帽,改变顶杆4受热伸出时左移的行程。The left end of the temperature regulating bolt sleeve 11 is connected to the temperature adjustment knob 22, and the nut is rotated counterclockwise or clockwise to change the stroke of the left rod 4 when it is extended by the heat.
更进一步,活塞15将分流腔分隔成左腔室和右腔室,所述活塞端盖6为活塞的最大直径处,其外侧壁与分流腔内壁之间有一定的间隙;左腔室与热水腔连通,右腔室与进水管道连通,左右腔室通过间隙连通,或通过活塞侧壁的过水孔II 18、活塞端盖上的过水孔I 5连通。Further, the piston 15 divides the splitting chamber into a left chamber and a right chamber, the piston end cover 6 is at the maximum diameter of the piston, and a gap is formed between the outer side wall and the inner wall of the splitting chamber; the left chamber and the heat The water chamber is connected, the right chamber is connected to the water inlet pipe, and the left and right chambers are connected through the gap, or through the water hole II 18 of the piston side wall and the water passing hole I 5 on the piston end cover.
本发明的工作过程如下:The working process of the present invention is as follows:
1、未工作状态时,各管道及阀体内存留的是常温冷水,感温元件处于原始的冷缩状态。此时,分流腔内的左腔室a和右腔室b由于间隙连通而压力相同,在撑簧17的作用下,感温元件2通过密封盘3将活塞端盖上的过水孔I 5封堵;活塞在顶簧12的作用下将过水通道19封堵(参见附图2)。1. In the unworked state, the water in the pipeline and the valve body is kept at room temperature, and the temperature sensing element is in the original cold contraction state. At this time, the pressures of the left chamber a and the right chamber b in the split chamber are the same due to the gap communication. Under the action of the spring 17, the temperature sensing element 2 passes the water hole I 5 on the piston end cover through the sealing disk 3. The plug; the piston blocks the water passage 19 by the action of the top spring 12 (see Fig. 2).
2、当开启热水龙头时,位于分流腔内的左腔室及热水腔的存留冷水则迅速流出。该存留冷水从热水出口9流出在管路中引起的压力变化足以开启循环泵或者增压泵工作开关。由于左腔室压力的释放,使活塞筒迅速地向左移动,左腔室a消失。活塞封堵热水腔23进口并打开回流通道的过水通道19,使进入进水管道14及分流腔16的存留冷水能通过过水通道19-单向阀1-回流腔21及冷水进水管道20,会流进热水器进行加热(参见附图3)。2. When the hot water tap is turned on, the remaining cold water in the left chamber and the hot water chamber located in the split chamber rapidly flows out. The change in pressure caused by the remaining cold water flowing out of the hot water outlet 9 in the pipeline is sufficient to activate the circulation pump or the booster pump operating switch. Due to the release of the left chamber pressure, the cylinder is quickly moved to the left and the left chamber a disappears. The piston blocks the inlet of the hot water chamber 23 and opens the water passage 19 of the return passage, so that the retained cold water entering the water inlet conduit 14 and the split chamber 16 can pass through the water passage 19 - the check valve 1 - the return chamber 21 and the cold water inlet The pipe 20 will flow into the water heater for heating (see Figure 3).
3、当从进水管道14流进分流腔16的水流为热水时,感温元件受到水温的变化而发生热胀形变,感温元件的顶杆伸出,由于顶杆是
顶在活塞端盖上,与感温元件装配一体的密封盘与活塞端盖的过水孔I 5的间隙不会随着活塞的滑动而改变,流过此间隙的水流量大于流过过水孔III 8的水流量,此时分流腔16的左腔室和右腔室的压力平衡重新建立,前后腔的压力重新平衡,在顶簧12的作用下活塞关闭过水通道19,热水通过活塞侧壁的过水孔II 18-活塞端盖上的过水孔I 5-左腔室-热水腔,从热水出口9流出(参见附图4)。3. When the water flowing from the water inlet pipe 14 into the splitting chamber 16 is hot water, the temperature sensing element undergoes thermal expansion deformation due to the change of the water temperature, and the ejector rod of the temperature sensing element protrudes, since the ejector rod is
The top of the piston end cover, the gap between the sealing disc integrated with the temperature sensing element and the water passage hole I 5 of the piston end cover does not change with the sliding of the piston, and the flow of water flowing through the gap is greater than the flow of water. The water flow rate of the hole III 8 is at this time, the pressure balance of the left chamber and the right chamber of the splitting chamber 16 is re-established, the pressure of the front and rear chambers is rebalanced, and the piston closes the water passage 19 under the action of the top spring 12, and the hot water passes. The water passage hole of the piston side wall 18 - the water passage hole I - 5 - the left chamber - the hot water chamber on the piston end cover flows out from the hot water outlet 9 (see Fig. 4).
以上所述仅为本发明较佳的实施例而已,并不能限制本发明,凡在本发明的精神和原则之内做出的任何修改,等同替换和改进等,均应包含在本发明的保护范围之内。
The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.
Claims (9)
- 一种用于回收冷水的分流系统,包括分流阀(C)及循环泵(B),所述分流阀包括通过端盖左右端封的阀体(24)、所述阀体(24)的中段为过水通道(19),过水通道的左右端分别为与热水进水管连通的分流腔(16),及与冷水进水管连通的回流腔(21),在分流腔左侧设置有与热水出口(9)连通的热水腔(23);在所述分流腔内设置有中空的、侧壁带过水孔II(18)的活塞(15),活塞的的左端具有带过水孔I(5)的活塞端盖(6),在活塞中空体内安装有感温元件(2),感温元件上安装有密封盘(3),所述密封盘通过感温元件右端安装的撑簧(17)的作用对活塞端盖的过水孔I(5)进行轴向封堵;在回流腔与过水通道(19)之间设置有单向阀(1),当过水通道(19)与混合腔导通时,单向阀(1)与回流腔导通,循环泵安装在与热水器进水端连通的冷水进水管中,使分流腔(16)-过水通道(19)-回流腔(21)-冷水进水管道(20)构成冷水的回流通道;其特征在于:所述活塞(15)的活塞端盖(6)左端与调温螺栓(7)的右端螺纹连接,调温螺栓(7)的另一端与安装在阀体左端盖(10)上的螺栓套(11)键连接,感温元件顶杆(4)受热伸出时顶在调温螺栓上而使感温元件带着密封盘右移而打开活塞端盖的过水孔,并由安装在螺栓套(11)内的顶簧(12)通过螺栓(7)在活塞(15)左右腔室压力平衡时右推活塞封堵过水通道(19)。A splitting system for recovering cold water, comprising a diverter valve (C) and a circulation pump (B), the diverter valve comprising a valve body (24) sealed by left and right ends of the end cap, a middle section of the valve body (24) For the water passage (19), the left and right ends of the water passage are respectively a split chamber (16) communicating with the hot water inlet pipe, and a return chamber (21) communicating with the cold water inlet pipe, and being disposed on the left side of the split chamber a hot water chamber (23) connected to the hot water outlet (9); a hollow piston (15) with a side wall with a water hole II (18) is disposed in the split chamber, and the left end of the piston has a water passing through a piston end cover (6) of the hole I (5) is mounted with a temperature sensing element (2) in the hollow body of the piston, and a sealing disk (3) is mounted on the temperature sensing element, and the sealing disk is mounted on the right end of the temperature sensing element. The spring (17) acts to axially block the water passage I (5) of the piston end cover; a check valve (1) is provided between the return chamber and the water passage (19), when the water passage ( 19) When the mixing chamber is turned on, the one-way valve (1) is connected to the return chamber, and the circulation pump is installed in the cold water inlet pipe that communicates with the water inlet end of the water heater, so that the splitting chamber (16)-water passage (19) -Return chamber (21) - cold water inlet pipe ( 20) a return passage constituting cold water; characterized in that: the left end of the piston end cover (6) of the piston (15) is screwed to the right end of the temperature regulating bolt (7), and the other end of the temperature regulating bolt (7) is mounted on The bolt sleeve (11) on the left end cover (10) of the valve body is connected by a key, and the temperature sensing element ejector (4) is placed on the temperature regulating bolt when the heat is extended, so that the temperature sensing element is moved to the right with the sealing disk to open the piston end. The water hole of the cover is closed by the top spring (12) installed in the bolt sleeve (11) through the bolt (7) when the pressure is balanced in the left and right chambers of the piston (15), and the piston is blocked by the right passage (19).
- 一种用于回收冷水的分流阀,所述分流阀包括通过端盖左右端封的阀体、所述阀体的中段为过水通道(19),过水通道的左右端 分别为与热水进水管连通的分流腔(16),及与冷水进水管连通的回流腔(21),在分流腔左侧设置有与热水出口(9)连通的热水腔;在所述分流腔内设置有中空的、侧壁带过水孔II的活塞(15),活塞的的左端具有带过水孔I(5)的活塞端盖(6),在活塞中空体内安装有感温元件(2),感温元件上安装有密封盘(3),所述密封盘通过感温元件右端安装的撑簧(17)的作用对活塞端盖的过水孔进行轴向封堵;在回流腔与过水通道(19)之间设置有单向阀(1),当过水通道(19)与混合腔导通时,单向阀(1)与回流腔导通;其特征在于:所述活塞(15)的活塞端盖(6)左端与调温螺栓(7)的右端螺纹连接,调温螺栓(7)的另一端与安装在阀体左端盖(10)上的螺栓套(11)键连接,感温元件顶杆(4)受热伸出时顶在调温螺栓上而使感温元件带着密封盘右移而打开活塞端盖的过水孔,并由安装在螺栓套(11)内的顶簧(12)通过螺栓(7)在活塞(15)左右腔室压力平衡时右推活塞封堵过水通道(19)。A diverter valve for recovering cold water, the diverter valve comprising a valve body sealed by left and right ends of the end cap, a middle section of the valve body being a water passage (19), and left and right ends of the water passage a diversion chamber (16) communicating with the hot water inlet pipe and a return chamber (21) communicating with the cold water inlet pipe, and a hot water chamber communicating with the hot water outlet (9) on the left side of the diversion chamber; The splitting chamber is provided with a hollow piston (15) with a side wall with a water hole II. The left end of the piston has a piston end cover (6) with a water passing hole I(5), and a feeling is installed in the hollow body of the piston. a temperature element (2) is mounted on the temperature sensing element with a sealing disc (3), and the sealing disc axially blocks the water passage hole of the piston end cover by the action of the spring (17) installed at the right end of the temperature sensing element; A check valve (1) is disposed between the return chamber and the water passage (19). When the water passage (19) is electrically connected to the mixing chamber, the check valve (1) is electrically connected to the return chamber; The left end of the piston end cover (6) of the piston (15) is screwed to the right end of the temperature regulating bolt (7), and the other end of the temperature regulating bolt (7) and the bolt sleeve mounted on the left end cover (10) of the valve body (11) Key connection, the temperature sensing element ejector (4) is placed on the temperature regulating bolt when the heat is extended, so that the temperature sensing element is moved to the right side of the piston end cover by the sealing plate, and is installed by the bolt. Set of tops in (11) The spring (12) pushes the piston to block the water passage (19) by the bolt (7) when the pressure is balanced by the left and right chambers of the piston (15).
- 根据权利要求1所述的用于回收冷水的分流系统,其特征是:用于回收冷水的分流系统中还包括热水器(A),所述热水器为速热或储热式热水器。The split system for recovering cold water according to claim 1, characterized in that the shunt system for recovering cold water further comprises a water heater (A), which is a rapid heat or a heat storage type water heater.
- 根据权利要求1所述的用于回收冷水的分流系统,其特征是:所述回流腔(21)与冷水出口(13)连通;所述热水腔(23)通过过水孔III(8)与热水出口(9)连通;所述热水出口(9)及冷水出口(13)与混合阀(D)连接,或它们分别与热水阀和冷水阀连接。A splitting system for recovering cold water according to claim 1, wherein said return chamber (21) is in communication with a cold water outlet (13); said hot water chamber (23) passes through a water passage III (8) It is connected to the hot water outlet (9); the hot water outlet (9) and the cold water outlet (13) are connected to the mixing valve (D), or they are respectively connected to the hot water valve and the cold water valve.
- 根据权利要求1所述的用于回收冷水的分流系统,其特征是: 所述调温螺栓套(11)的左端连接调温旋钮(22),通过逆时针或顺时针旋转调温旋钮,改变顶杆(7)受热伸出时左移的行程。A splitting system for recovering cold water according to claim 1, wherein: The left end of the temperature regulating bolt sleeve (11) is connected to the temperature adjustment knob (22), and the temperature adjustment knob is rotated counterclockwise or clockwise to change the stroke of the left rod (7) when it is extended by the heat.
- 根据权利要求1所述的一种用于回收冷水的分流系统,其特征是:活塞(15)将分流腔分隔成左腔室和右腔室,所述活塞端盖(6)为活塞的最大直径处,其外侧壁与分流腔内壁之间有一定的间隙;左腔室与热水腔连通,右腔室与进水管道连通,左右腔室通过间隙连通,或通过活塞侧壁的过水孔II(18)、活塞端盖上的过水孔I(5)连通。A splitting system for recovering cold water according to claim 1, wherein the piston (15) divides the splitting chamber into a left chamber and a right chamber, the piston end cap (6) being the largest piston At the diameter, there is a certain gap between the outer side wall and the inner wall of the splitting chamber; the left chamber is in communication with the hot water chamber, the right chamber is in communication with the water inlet duct, the left and right chambers are connected through the gap, or the water passing through the side wall of the piston The hole II (18) and the water passing hole I (5) on the piston end cover are connected.
- 根据权利要求2所述的一种用于回收冷水的分流阀,其特征是:所所述回流腔(21)与冷水出口(13)连通;所述热水腔(23)通过过水孔III(8)与热水出口(9)连通。A diverter valve for recovering cold water according to claim 2, wherein said return chamber (21) is in communication with a cold water outlet (13); said hot water chamber (23) passes through a water passage III (8) Connected to the hot water outlet (9).
- 根据权利要求2所述的一种用于回收冷水的分流阀,其特征是:所述调温螺栓套(11)的左端连接调温旋钮(22),通过逆时针或顺时针旋转调温旋钮,改变顶杆(4)受热伸出时左移的行程。A diverter valve for recovering cold water according to claim 2, wherein the left end of the temperature regulating bolt sleeve (11) is connected to the temperature adjustment knob (22), and the temperature adjustment knob is rotated counterclockwise or clockwise. , changing the stroke of the ejector (4) to the left when heated.
- 根据权利要求2所述的一种用于回收冷水的分流阀,其特征是:活塞(15)将分流腔分隔成左腔室和右腔室,所述活塞端盖(6)为活塞的最大直径处,其外侧壁与分流腔内壁之间有一定的间隙;左腔室与热水腔连通,右腔室与进水管道连通,左右腔室通过间隙连通,或通过活塞侧壁的过水孔II(18)、活塞端盖上的过水孔I(5)连通。 A diverter valve for recovering cold water according to claim 2, wherein the piston (15) divides the diverting chamber into a left chamber and a right chamber, and the piston end cap (6) is the largest of the piston At the diameter, there is a certain gap between the outer side wall and the inner wall of the splitting chamber; the left chamber is in communication with the hot water chamber, the right chamber is in communication with the water inlet duct, the left and right chambers are connected through the gap, or the water passing through the side wall of the piston The hole II (18) and the water passing hole I (5) on the piston end cover are connected.
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CN201510205229.3A CN104832676B (en) | 2015-04-27 | 2015-04-27 | Cold and hot water shunting valve |
CN201510204654.0A CN104832675B (en) | 2015-04-27 | 2015-04-27 | For reclaiming the flow dividing structure of cold water |
CN201510205229.3 | 2015-04-27 | ||
CN201520261006.4U CN204985840U (en) | 2015-04-27 | 2015-04-27 | A reposition of redundant personnel structure for retrieving cold water |
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PCT/CN2016/076815 WO2016173334A1 (en) | 2015-04-27 | 2016-03-18 | Separation system for recycling cold water |
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CN107842633A (en) * | 2017-12-08 | 2018-03-27 | 上海水沐乐歌恒温科技有限公司 | H type return water system intelligent temperature control valves |
CN110595076A (en) * | 2019-10-22 | 2019-12-20 | 广东瑞发水箱制品有限公司 | Full-automatic pressure-bearing non-pressure operation system of water storage type water heater |
CN114508613A (en) * | 2022-01-10 | 2022-05-17 | 青岛澳柯玛生活电器有限公司 | Zero cold water one-way valve of gas water heater |
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CN107636368A (en) | 2018-01-26 |
CN107636368B (en) | 2019-04-12 |
WO2016173333A1 (en) | 2016-11-03 |
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