CN107166729B - Tail end waterway device, water outlet instant hot water device and control method thereof - Google Patents
Tail end waterway device, water outlet instant hot water device and control method thereof Download PDFInfo
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- CN107166729B CN107166729B CN201710504676.8A CN201710504676A CN107166729B CN 107166729 B CN107166729 B CN 107166729B CN 201710504676 A CN201710504676 A CN 201710504676A CN 107166729 B CN107166729 B CN 107166729B
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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
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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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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Abstract
The invention relates to a tail end waterway device, a water outlet instant hot water device and a control method thereof; the tail end waterway device comprises a water tap, a hot water branch pipeline and a cold water branch pipeline; the device also comprises a one-way valve, a temperature control valve and a bypass pipeline; the water faucet also comprises a backwater conducting valve core; the valve seat is also provided with a water return flow passage, and two ends of the water return flow passage are respectively communicated with a hot water flow passage and a cold water flow passage; the backwater conducting valve core is arranged on the valve seat and is positioned in the backwater flow channel; the two ends of the bypass pipeline are connected with the cold water branch pipeline, and the temperature control valve is arranged on the bypass pipeline; the check valve is arranged in the cold water branch pipeline and positioned between two ends of the bypass pipeline, and the flow direction of the check valve points to the cold water flow channel of the valve seat. The water outlet instant heating water heating device can effectively solve the problems of static water and dead water of a hot water branch pipeline so as to realize water outlet instant heating.
Description
Technical Field
The invention relates to the field of hot water supply equipment, in particular to a tail end waterway device, a water outlet instant hot water device and a control method thereof.
Background
Many water outlet instant hot water devices are available on the market at present, and generally comprise a water heater 801 with a booster pump 802 and pipelines, wherein the pipelines comprise a hot water main pipeline 803, a cold water main pipeline 804, a hot water branch pipeline 805 and a cold water branch pipeline 806 which are designed conventionally, and the hot water branch pipeline 805 and the cold water branch pipeline 806 are pipelines between a traditional mixing faucet 8 for connecting water points of users and the hot water main pipeline 803 and the cold water main pipeline 804; in order to realize the function of water outlet and instant heating, as shown in fig. 1, the pipeline is further provided with a solenoid valve short-circuit pipeline 812 which is communicated between the tail ends of the hot water main pipeline 803 and the cold water main pipeline 804; alternatively, a return pipe (not shown) may be separately provided between the end of the main hot water pipe and the water inlet of the water heater 801. The working principle of the water outlet instant heating water heating device is that water on a pipeline is circularly heated in the water heater 801 by utilizing a booster pump 802 arranged on the water heater 801, so that the water on the pipeline is kept above a certain temperature, and the water outlet instant heating function is realized. When the existing water outlet instant hot water device is used, when water in a pipeline is heated and circulated, the circulated hot water bypasses the hot water branch pipeline 805, so that water in the hot water branch pipeline 805 is not circularly heated, and actually belongs to static water and dead water, and a user can really obtain the circulated hot water only by discharging the water. Therefore, in order to solve the defects of the water outlet instant hot water device, the application improves the tail end water channel device, the water outlet instant hot water device and the control method.
Disclosure of Invention
One of the technical problems to be solved by the present invention is to provide a terminal waterway device, which can effectively solve the problems of static water and dead water in a hot water branch pipeline, so as to realize immediate heating of outlet water.
The invention solves the technical problem of providing a water outlet instant heating water device which can effectively realize water outlet instant heating, is flexible and convenient to use and reduces energy consumption.
The invention aims to provide a control method of an outlet water instant heating water device, which can effectively realize the staggered and ordered operation of water supply and hot water circulation of a user and is beneficial to the protection of the device.
The first technical problem is solved by the following technical scheme:
a tail end waterway device comprises a water tap, a hot water branch pipeline and a cold water branch pipeline; the water faucet comprises a valve seat and a mixed water regulating valve core; the valve seat is provided with a hot water flow passage, a cold water flow passage and a mixed water flow passage; the mixed water regulating valve core is arranged on the valve seat and is communicated with the hot water flow passage, the cold water flow passage and the mixed water flow passage; the hot water branch pipeline and the cold water branch pipeline are both connected with the valve seat and are respectively correspondingly communicated with a hot water flow passage and a cold water flow passage of the valve seat; the device also comprises a one-way valve, a temperature control valve and a bypass pipeline; the water faucet also comprises a backwater conducting valve core; the valve seat is also provided with a water return flow passage, and two ends of the water return flow passage are respectively communicated with a hot water flow passage and a cold water flow passage; the backwater conducting valve core is arranged on the valve seat and is positioned in the backwater flow channel; the two ends of the bypass pipeline are connected with the cold water branch pipeline, and the temperature control valve is arranged on the bypass pipeline; the check valve is arranged in the cold water branch pipeline and positioned between two ends of the bypass pipeline, and the flow direction of the check valve points to the cold water flow channel of the valve seat.
Compared with the prior art, the tail end waterway device has the following beneficial effects:
the water heater with the booster pump can be matched under the condition that the existing pipeline comprising a cold water main pipeline and a hot water main pipeline is not changed, the hot water circulation of the pipeline can be ensured, and the installation is simple and convenient; because the water outlet is arranged on the water tap of the tail end waterway device, and the water tap directly participates in hot water circulation, the water recycling of the hot water branch pipeline is realized, the static water and the dead water of the hot water branch pipeline are eliminated, and the instant heating of the outlet water is really realized.
In one embodiment, the thermostatic valve is a self-operated thermostatic valve.
In one embodiment, the faucet further comprises a first switch handle and a second switch handle, the first switch handle is connected with the mixed water regulating valve core, and the second switch handle is connected with the return water conducting valve core.
In one embodiment, the first switch handle is located on the upper end face of the valve seat, and the second switch handle is located on the side face of the valve seat.
In one embodiment, the upper end of the valve seat is provided with a first valve core mounting groove with an upward opening, the mixed water regulating valve core is arranged in the first valve core mounting groove, and the hot water flow passage, the cold water flow passage and the mixed water flow passage are communicated with the first valve core mounting groove.
In one embodiment, a second valve core installation groove is formed in the side surface of the valve seat, the backwater conducting valve core is arranged in the second valve core installation groove, the backwater flow channel comprises a first section backwater flow channel and a second section backwater flow channel, two ends of the first section backwater flow channel are respectively communicated with the hot water flow channel and the second valve core installation groove, and two ends of the second section backwater flow channel are respectively communicated with the second valve core installation groove and the cold water flow channel.
In one embodiment, the hot water flow channel and the cold water flow channel are positioned on two sides of the mixed water flow channel.
The second technical problem is solved by the following technical scheme:
a water outlet instant heating water device comprises a water heater provided with a controller, a booster pump, a temperature sensor, a hot water main pipeline and a cold water main pipeline; the water inlet side and the water outlet side of the water heater are respectively connected with the cold water main pipeline and the hot water main pipeline; the temperature sensor is used for detecting the water temperature of the hot water main pipeline; the booster pump is arranged on the water inlet side or the water outlet side of the water heater; the controller is connected with the temperature sensor and the booster pump; the water flow sensor is connected with the tail end water channel device; the cold water branch pipeline and the hot water branch pipeline are respectively connected with the cold water main pipeline and the hot water main pipeline; the first water flow sensor is used for being arranged on a water source pipeline communicated with the cold water main pipeline and the water inlet side of the water heater; the second water flow sensor is arranged on the water inlet side or the water outlet side of the water heater; the controller is connected with the first water flow sensor and the second water flow sensor.
Compared with the prior art, the water outlet instant heating water heating device has the following beneficial effects: the water-saving heating device can really realize water outlet instant heating, can enable a user to freely select water consumption points to carry out water outlet instant heating according to actual needs, can enable the water consumption points to quit a hot water circulation process under the condition of meeting the requirement of water outlet instant heating, is flexible and convenient to use, and reduces energy consumption.
In one embodiment, the booster pump and the second water flow sensor are arranged on the inner side or the outer side of the water heater.
The third technical problem is solved by the following technical scheme:
a control method of an outlet water instant heating water device comprises the following steps:
step S1: detecting value L of the first water flow sensor 11 With a first preset value of water flow L 1 Comparison, when L is 11 ＞L 1 ＞0，Turning to the step S5; otherwise, go to step S2;
step S2: detecting value T of temperature sensor 11 With a preset value of temperature T a Comparison when T is 11 ＜T a Go to step S3; otherwise, go to step S5; wherein, 0 < T a ＜T b ，T b The closing temperature value of the temperature control valve;
and step S3: the booster pump operates;
and step S4: detecting value L of the second water flow sensor 12 And a second preset value of water flow rate L 2 Comparing until L 12 ＜L 2 Go to step S5;
step S5: the booster pump stops operating.
Compared with the prior art, the control method of the water outlet instant heating water heater has the following beneficial effects:
1. the staggered and ordered operation of water supply and hot water circulation of a user is realized through a first water flow sensor;
2. realize not needing to go out water when heating promptly when all terminal water route devices through setting up second water flow sensor, even pipeline temperature is not up to standard also can avoid the booster pump to last the operation, does benefit to the protection of whole device.
Drawings
FIG. 1 is a schematic structural diagram of a prior art water outlet instant heating water device;
FIG. 2 is a schematic view of the end waterway device (100) of the present invention;
FIG. 3 is a schematic diagram of the end waterway device (100) of the present invention;
fig. 4 is a schematic structural view of the faucet (1) of the present invention;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is a top view of the valve seat (11) of the present invention;
FIG. 7 isbase:Sub>A cross-sectional view A-A of FIG. 6;
FIG. 8 is a cross-sectional view B-B of FIG. 6;
FIG. 9 is a cross-sectional view C-C of FIG. 6;
FIG. 10 is a side view of the valve seat (11) of the present invention;
FIG. 11 is a schematic view of an application of the terminal waterway device (100) of the present invention;
FIG. 12 is a schematic structural view of the instant water heating device according to the present invention;
FIG. 13 is a flow chart illustrating a method for controlling the hot water apparatus according to the present invention;
FIG. 14 is a schematic view of the instant hot water apparatus in a water use state;
fig. 15 is a schematic view of the hot water device of the present invention in hot water circulation.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application.
In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; and may be directly connected or indirectly connected. The specific meaning of the above terms in the present application can be understood as a concrete case to those of ordinary skill in the art.
Furthermore, the terms "first" and "second" are used for descriptive purposes only to distinguish multiple technical features having the same property, and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means two or more in number unless otherwise specified.
Referring to fig. 2 to 10, an end waterway device 100 includes a faucet 1, a check valve 4, a temperature control valve 5, a bypass pipe 6, a hot water branch pipe 2, and a cold water branch pipe 3; the water faucet 1 comprises a valve seat 11, a mixed water regulating valve core 12 and a backwater conducting valve core 13; the valve seat 11 is provided with a hot water flow passage 111, a cold water flow passage 112, a return water flow passage 114 and a mixed water flow passage 113, and two ends of the return water flow passage 114 are respectively communicated with the hot water flow passage 111 and the cold water flow passage 112; the backwater conducting valve core 13 is arranged on the valve seat 11 and is positioned in the backwater flow channel 114; the mixed water regulating valve core 12 is arranged on the valve seat 11 and is communicated with the hot water flow passage 111, the cold water flow passage 112 and the mixed water flow passage 113; the hot water branch pipeline 2 and the cold water branch pipeline 3 are both connected with the valve seat 11 and are correspondingly communicated with a hot water flow passage 111 and a cold water flow passage 112 of the valve seat 11 respectively; two ends of the bypass pipeline 6 are connected with the cold water branch pipeline 3, and the temperature control valve 5 is arranged on the bypass pipeline 6; the check valve 4 is arranged in the cold water branch pipe 3 and between the two ends of the bypass pipe, the flow direction of the check valve 4 points to the cold water flow passage 112 of the valve seat 11.
The temperature control valve 5 is a self-operated temperature control valve. The scheme can reduce the use of electric parts and ensure the safety performance. The closing temperature value of the temperature control valve 5 is T b I.e. when the temperature of the water in the bypass line 6 in which the thermostatic valve 5 is located is higher than the temperature T b The thermo valve 5 is in a closed state.
The mixed water regulating valve core 12, the backwater conducting valve core 13, the hot water branch pipeline 2 and the cold water branch pipeline 3 can all adopt corresponding conventional devices, for example, the mixed water regulating valve core 12 can be a valve core of a three-way faucet 1, and the backwater conducting valve core 133 can be a valve core of a two-way faucet 1 or a valve core of a three-way faucet 1.
The faucet 1 further comprises a first switch handle 14 and a second switch handle 15, the first switch handle 14 is connected with the mixed water adjusting valve core 12, and the second switch handle 15 is connected with the return water conducting valve core 13.
The first switch handle 14 is located on the upper end surface of the valve seat 11, and the second switch handle 15 is located on the side surface of the valve seat 11. The first switch handle 14 and the second switch handle 15 are respectively positioned on different surfaces of the valve seat 11, so that no conflict is caused on the design space, and the design and the use are facilitated.
Typically, the second switch knob 15 is located on the right side of the valve seat 11.
The hot water flow passage 111 and the cold water flow passage 112 are located on both sides of the mixed water flow passage 113.
The upper end of the valve seat 11 is provided with a first valve body installation groove 115 having an upward opening, the mixed water control valve body 12 is installed in the first valve body installation groove 115, and the hot water flow passage 111, the cold water flow passage 112, and the mixed water flow passage 113 are communicated with the first valve body installation groove 115, thereby communicating with the mixed water control valve body 12.
The side surface of the valve seat 11 is provided with a second valve core installation groove 116, the backwater conducting valve core 13 is arranged in the second valve core installation groove 116, the backwater flow channel 114 comprises a first section backwater flow channel 1141 and a second section backwater flow channel 1142, two ends of the first section backwater flow channel 1141 are respectively communicated with the hot water flow channel 111 and the second valve core installation groove 116, and two ends of the second section backwater flow channel 1142 are respectively communicated with the second valve core installation groove 116 and the cold water flow channel 112.
Referring to fig. 11, one of the applications of the terminal waterway device 100 is as follows:
the hot water branch pipes 2 and the cold water branch pipes 3 of the plurality of end waterway devices 100 are correspondingly connected to the hot water main pipe 803 and the cold water main pipe 804, and each end waterway device 100 is a water consuming point, so that a plurality of water consuming points are formed, such as E1 and E2 in fig. 11. When the user does not need to discharge water at the water consumption point E1 where the terminal water path device 100 is installed, that is, to heat the water, the water return conduction valve element 13 located at the water consumption point E1 may be closed. When a user needs to realize water outlet and instant heating at a water using point E2 provided with the tail end waterway device 100, the mixed water regulating valve core 12 is closed in advance, the backwater conducting valve core 13 is opened, at the moment, the hot water flow passage 111 and the cold water flow passage 112 are communicated, and the cold water main pipe 804, the water heater 801, the hot water main pipe 803, the hot water branch pipeline 2, the faucet 1 and the cold water branch pipeline 3 are in a cut-off state because the section of pipeline between two ends of the bypass pipeline 6 is provided with the check valve 4, and the bypass pipeline 6 forms a circulating waterway; when the water temperature in the pipeline is lower than the preset temperature T a In practice, a preset temperature value T is required a Is set to be less than the closing temperature value T of the thermo valve 5 b At this time, the thermo valve 5 is in an open state, the booster pump 802 provided in the water heater 801 operates, and the water heater 801 is turned onHeating, circularly heating the water in the pipeline along a cold water main pipeline 804, a water heater 801, a hot water main pipeline 803, a hot water branch pipeline 2, a water tap 1, a cold water branch pipeline 3 and a bypass pipeline 6, and when the water temperature on the pipeline of the tail end waterway device 100 reaches a closed temperature value T b When the temperature control valve 5 is closed, the tail end waterway device 100 of the water consumption point E2 meets the requirement of water outlet and instant heating, and the circularly heated water does not pass through the tail end waterway device 100 of the water consumption point E2 any more. Since the cold water branch pipe 3 and the bypass pipe 6 coexist, even if the thermo valve 5 of the bypass pipe 6 is in a closed state, when the user opens the faucet 1 to use water, cold water can enter the faucet 1 along the cold water branch pipe 3 to provide the user with water.
Therefore, the terminal waterway device 100 has the following technical effects:
1. the water heater 801 with the booster pump 802 can be matched under the condition that the existing pipelines comprising the cold water main pipeline 804 and the hot water main pipeline 803 are not changed, hot water circulation of the pipelines can be ensured, and the installation is simple and convenient; because the water outlet is arranged on the water tap 1 of the tail end waterway device 100, and the water tap 1 directly participates in hot water circulation, the water recycling of the hot water branch pipeline 2 is realized, the static water and the dead water of the hot water branch pipeline 2 are eliminated, the instant heating of water outlet is really realized, and the water using experience of a user is improved; a user can select whether the tail-end waterway device 100 needs to output water for instant heating, the use is flexible, and when the user closes the backwater conducting valve core 13 of the tail-end waterway device 100, the tail-end waterway device 100 cannot be added in a hot water circulation process, so that the energy consumption is reduced;
2. by arranging the bypass pipeline 6 and the temperature control valve 5 arranged on the bypass pipeline 6 on the cold water branch pipeline 3, the temperature control valve 5 can cut off the circulation of the bypass pipeline under the condition that the tail end water path device 100 selected by a user as the water outlet instant heating meets the requirement of the water outlet instant heating, so that the process that the tail end water path device 100 is added into hot water circulation is avoided, and the energy consumption is reduced;
3. due to the coexistence of the cold water branch pipeline 3 and the bypass pipeline 6, even if the temperature control valve 5 cuts off the circulation of the bypass pipeline, the water use obtained from the cold water branch pipeline 3 by a user is not influenced, and the use is convenient.
As shown in fig. 12, the water outlet, i.e., hot water supply apparatus includes a water heater 801 provided with a controller 811, a booster pump 802, a first water flow sensor 7, a second water flow sensor 8, a temperature sensor 807, a hot water main pipe 803, a cold water main pipe 804, and a plurality of the above-described terminal water passage apparatuses 100; the controller 811 is connected with the booster pump 802, the first water flow sensor 7, the second water flow sensor 8 and the temperature sensor 807; the water outlet side of the water heater 801 and the hot water branch pipeline 2 are both connected with the hot water main pipeline 803, and the water inlet side of the water heater 801 and the cold water branch pipeline 3 are both connected with the cold water main pipeline 804; the temperature sensor 807 is used for detecting the water temperature of the main hot water pipeline 803; the first water flow sensor 7 is arranged on a water source pipeline 9 communicated with the cold water main pipeline 804 and the water inlet side of the water heater 801; the booster pump 802 and the second water flow sensor 8 are provided on the water inlet side or the water outlet side of the water heater 801.
In combination with the application analysis description of the terminal water path device 100, the water outlet instant heating water heater provided by the present embodiment can really realize water outlet instant heating by setting the terminal water path device 100, thereby improving the water consumption experience of the user, enabling the user to freely select the water consumption point (the terminal water path device 100) to carry out water outlet instant heating according to the actual needs, and enabling the water consumption point (the terminal water path device 100) to exit the hot water circulation process under the condition of satisfying the water outlet instant heating, thereby being flexible and convenient to use, and reducing the energy consumption.
The water heater 801, the booster pump 802, the first water flow sensor 7, the second water flow sensor 8, the temperature sensor 807, the hot water main pipe 803 and the cold water main pipe 804 can adopt conventional corresponding components.
The booster pump 802 and the second water flow sensor 8 are disposed on the water inlet side or the water outlet side of the water heater 801, and it should be understood that the booster pump 802 is disposed on the water inlet side or the water outlet side of the water heater 801, and the second water flow sensor 8 is disposed on the water inlet side or the water outlet side of the water heater 801.
Whether the booster pump 802 and the second water flow sensor 8 are disposed on the water inlet side of the water heater 801 or the water outlet side of the water heater 801, the booster pump 802 may be disposed inside or outside the water heater 801, and the second water flow sensor 8 may be disposed inside or outside the water heater 801.
Referring to fig. 2 to 13, the method for controlling the water outlet, i.e., hot water apparatus includes the following steps:
step S1, detecting value L of first water flow sensor 7 11 With a first preset value of water flow L 1 Comparison, when L is 11 ＞L 1 If the value is more than 0, turning to the step S5; otherwise, go to step S2;
in this step S1, when L is 11 ＞L 1 If the pressure value is more than 0, the mixed water regulating valve core 12 of the water tap 1 of at least one tail end waterway device 100 is in an opening state, and a user uses water, so that the circulating heating can not be carried out, and the booster pump 802 does not need to be started; as shown in fig. 14, when the user uses water at the water consumption point E3, the water in the water source pipeline 9 flows to the water inlet end of the water heater 801 and also flows to the water tap 1 of the water consumption point E3 through the cold water main pipeline 804 and the cold water branch pipeline 3; when L is 11 ≤L 1 If yes, the mixed water regulating valve core 12 of the faucet 1 of all the tail end waterway devices 100 is in a closed state, no user uses water, and circulating heating can be performed;
step S2: the detected value T of the temperature sensor 807 11 With a preset value of temperature T a Comparison when T is 11 ＜T a Turning to the step S3; otherwise, go to step S4; wherein, 0 < T a ＜T b ，T b Is the closing temperature value of the temperature control valve 5;
in this step S2, when T is reached 11 ＜T a The water temperature of the main hot water pipeline 803 does not meet the requirement of water outlet, namely, the water is heated, and the water in the pipeline needs to be thermally circulated; in addition, in this case, all the thermo-valves 5 of the terminal waterway devices 100 are in an open state; as shown in fig. 15, the user selects to discharge water at the water consumption point E4, that is, to heat the water, and the cold water main pipe 804, the water heater 801, the hot water main pipe 803, the hot water branch pipe 2, the water tap 1, the cold water branch pipe 3, and the bypass pipe 6 form a heating loop; when T is 112 ≥T a It means that the water temperature of the main hot water pipe 803 meets the requirement of water outlet, namely heating, and the water in the pipe does not need to be thermally circulated;
and step S3: the booster pump 802 is operated; the step is that a booster pump 802 is started to carry out thermal circulation on water in a pipeline;
and step S4: the detected value L of the second water flow sensor 8 12 And a second water flow rate preset value L 2 Comparing until L 12 ＜L 2 Turning to step S5;
the step S4 is mainly to detect whether the water return conducting valve element 13 of the faucet 1 of the tail end waterway device 100 is in an open state; when L is 12 ≥L 2 If the water level of the tail end waterway device 100 is lower than the water level of the water consumption point, the booster pump 802 is started; once when L is 12 ＜L 2 If so, it indicates that all the backwater conducting valve cores 13 are in a closed state, and the user does not need to discharge water to all the tail end waterway devices 100 for instant heating, and needs to control the booster pump 802 to stop running;
step S5: the booster pump 802 stops operating.
In step S5, when the hot water supply device that is discharging water does not satisfy the hot water circulation condition or does not require hot water circulation, the booster pump 802 needs to be controlled to be in a stop state.
As can be seen in FIG. 13, steps S2 and S3 are both at L 11 ≤L 1 Is carried out on the premise of (1).
For the first water flow rate preset value L 1 A second preset water flow value L 2 A preset temperature value T a Closed temperature value T b The value can be obtained by the skilled person in combination with the common general knowledge in the technical field on the premise of solving the technical problems of the present invention. Here, the following reference values are provided: l is 1 、L 2 Are all 0.05L/min; t is a Is a value between 25 ℃ and 30 ℃, and preferably 30 ℃; t is b Is a value between 45 ℃ and 50 ℃, preferably 45 ℃.
The control method of the water outlet instant heating water device has the following technical effects:
the staggered and ordered operation of water supply and hot water circulation of a user is realized through the first water flow sensor 7;
during hot water circulation, the tail end waterway device 100 which does not need to carry out water outlet, namely, a hot water using point does not add the hot water circulation process; moreover, the tail end waterway device 100 of the water consumption point needing water outlet and instant heating can exit the hot water circulation process under the condition of meeting the requirement of water outlet and instant heating, so that the energy consumption is relatively reduced;
realize through setting up second water flow sensor 8 that even pipeline temperature is not up to standard also can avoid booster pump 802 to last the operation when all terminal waterway device 100 need not go on out water when heating promptly, do benefit to the protection of whole device.
In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The detailed description of the embodiments above only expresses several embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (9)
1. A terminal waterway device (100) comprises a faucet (1), a hot water branch pipeline (2) and a cold water branch pipeline (3); the water faucet (1) comprises a valve seat (11) and a mixed water regulating valve core (12); the valve seat (11) is provided with a hot water flow passage (111), a cold water flow passage (112) and a mixed water flow passage (113); the mixed water regulating valve core (12) is arranged on the valve seat (11) and is communicated with the hot water flow passage (111), the cold water flow passage (112) and the mixed water flow passage (113); the hot water branch pipeline (2) and the cold water branch pipeline (3) are both connected with the valve seat (11) and are respectively communicated with a hot water flow passage (111) and a cold water flow passage (112) of the valve seat (11) correspondingly;
the method is characterized in that:
the device also comprises a one-way valve (4), a temperature control valve (5) and a bypass pipeline (6); the water faucet (1) also comprises a backwater conducting valve core (13); the valve seat (11) is also provided with a water return flow channel (114), and two ends of the water return flow channel (114) are respectively communicated with the hot water flow channel (111) and the cold water flow channel (112); the backwater conducting valve core (13) is arranged on the valve seat (11) and is positioned in the backwater flow channel (114); two ends of the bypass pipeline (6) are connected with the cold water branch pipeline (3), and the temperature control valve (5) is arranged on the bypass pipeline (6); the check valve (4) is arranged on the cold water branch pipeline (3) and positioned between two ends of the bypass pipeline (6), and the flow direction of the check valve (4) points to a cold water flow channel (112) of the valve seat (11);
the faucet (1) further comprises a first switch handle (14) and a second switch handle (15), the first switch handle (14) is connected with the mixed water adjusting valve core (12), and the second switch handle (15) is connected with the return water conducting valve core (13).
2. The terminal waterway device (100) of claim 1, wherein: the temperature control valve (5) is a self-operated temperature control valve.
3. The terminal waterway device (100) of claim 2, wherein: the first switch handle (14) is located on the upper end face of the valve seat (11), and the second switch handle (15) is located on the side face of the valve seat (11).
4. The terminal waterway device (100) of any one of claims 1-3, wherein: the upper end of the valve seat (11) is provided with a first valve core mounting groove (115) with an upward opening, the mixed water regulating valve core (12) is arranged in the first valve core mounting groove (115), and the hot water flow channel (111), the cold water flow channel (112) and the mixed water flow channel (113) are communicated with the first valve core mounting groove (115).
5. The terminal waterway device (100) of any one of claims 1-3, wherein: the side of valve seat (11) is equipped with second valve core mounting groove (116), second valve core mounting groove (116) are located in return water conduction valve core (13), return water runner (114) include first section return water runner (1141) and second section return water runner (1142), the both ends of first section return water runner (1141) communicate respectively hot water runner (111), second valve core mounting groove (116), the both ends of second section return water runner (1142) communicate respectively second valve core mounting groove (116), cold water runner (112).
6. The terminal waterway device (100) of any one of claims 1-3, wherein: the hot water flow passage (111) and the cold water flow passage (112) are positioned at two sides of the mixed water flow passage (113).
7. A water outlet instant heating water device comprises a water heater (801) provided with a controller (811), a booster pump (802), a hot water main pipe (803), a cold water main pipe (804) and a temperature sensor (807); the water inlet side and the water outlet side of the water heater (801) are respectively connected with the cold water main pipe (804) and the hot water main pipe (803); the temperature sensor (807) is used for detecting the water temperature of the main hot water pipeline (803); the booster pump (802) is arranged on the water inlet side or the water outlet side of the water heater (801); the controller (811) is connected with the temperature sensor (807) and the booster pump (802); the method is characterized in that:
further comprising a first water flow sensor (7), a second water flow sensor (8) and the terminal waterway apparatus (100) of any one of claims 1 to 6; the cold water branch pipeline (3) and the hot water branch pipeline (2) are respectively connected with the cold water main pipeline (804) and the hot water main pipeline (803); the first water flow sensor (7) is arranged on a water source pipeline communicated with the cold water main pipeline (804) and the water inlet side of the water heater (801); the second water flow sensor (8) is arranged on the water inlet side or the water outlet side of the water heater (801); the controller (811) is connected with the first water flow sensor (7) and the second water flow sensor (8).
8. The water outlet instant heating water device according to claim 7, characterized in that: the booster pump (802) and the second water flow sensor (8) are arranged on the inner side or the outer side of the water heater (801).
9. A control method of the hot water outlet apparatus as claimed in claim 7 or 8, comprising the steps of:
step S1: the detection value L of the first water flow sensor (7) 11 With a first preset value of water flow L 1 Comparison, when L is 11 ＞L 1 If the value is more than 0, turning to the step S5; otherwise, go to step S2;
step S2: the detected value T of the temperature sensor (807) 11 With a preset value of temperature T a Comparison when T is 11 ＜T a Turning to the step S3; otherwise, go to step S5; wherein, 0 < T a ＜T b ，T b Is the closing temperature value of the temperature control valve (5);
and step S3: the booster pump (802) operates;
and step S4: the detected value L of the second water flow sensor (8) 12 And a second preset value of water flow rate L 2 Comparing until L 12 ＜L 2 Turning to step S5;
step S5: the booster pump (802) stops operating.
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| CN107449134A (en) * | 2017-09-26 | 2017-12-08 | 广东万家乐燃气具有限公司 | Central hot water gas heater and its application system and control method |
| CN109798667A (en) * | 2017-11-16 | 2019-05-24 | 雷以辉 | The energy-saving and water-saving type water heater hot-water circulatory system |
| CN108489107A (en) * | 2018-03-22 | 2018-09-04 | 广东万家乐燃气具有限公司 | Central heater, system and control method |
| CN110848986A (en) * | 2019-11-25 | 2020-02-28 | 华帝股份有限公司 | Water heater system with pressure boost function |
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