CN113587451A - Zero-cold-water gas water heater with circulating pipeline provided with remote control electric valve - Google Patents
Zero-cold-water gas water heater with circulating pipeline provided with remote control electric valve Download PDFInfo
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- CN113587451A CN113587451A CN202111086608.7A CN202111086608A CN113587451A CN 113587451 A CN113587451 A CN 113587451A CN 202111086608 A CN202111086608 A CN 202111086608A CN 113587451 A CN113587451 A CN 113587451A
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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
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a zero-cold-water gas water heater with a circulating pipeline provided with a remote control electric valve, which comprises a shell and a water inlet temperature sensor, a water flow sensor, a circulating pump, a heat exchanger and a water outlet temperature sensor which are arranged in the shell in sequence from a water inlet end; the remote temperature sensor is connected with the master controller and the electric stop valve; the main controller and the signal device are arranged in the shell; the remote temperature sensor, the electric stop valve and the one-way valve are sequentially arranged on a connecting pipe between the hot water three-way valve and the cold water three-way valve at the farthest water using point, and the remote temperature sensor is close to the hot water three-way valve; the control device is connected with the electric stop valve. The on-off of the electric stop valve is controlled by an electric signal, so that a user can use comfortable hot water at each hot water faucet; but also can ensure that the user uses real cold water at the cold water faucet, and the water heater can not be frequently started when the user uses the cold water, thereby achieving the purpose of saving energy.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a zero-cold-water gas water heater with a circulating pipeline provided with a remote control electric valve.
Background
Generally speaking, in the use, the mounted position of gas heater is not in same place with the position of use, therefore can wait for a time and just have hot water to flow out when opening hot water tap, has caused water waste and uncomfortable shower to experience. At present, a common method for solving the problem in the industry is to add a circulating pump in a shell of a gas water heater, specially install a hot water return pipeline or install a one-way valve at a cold water valve and a hot water valve at the farthest ends of water, communicate cold and hot water pipes, and form a circulating loop with a machine by virtue of a cold water pipe. Before a user uses hot water, a preheating button is started, a circulating pump works, cold water in a circulating loop is pumped into a machine for heating, and the starting and stopping conditions of the circulating pump are judged according to the return water temperature or the outlet water temperature, so that the purpose that all water consumption points are hot water is achieved, and the basic working principle of the zero-cold-water gas water heater on the market at present is realized.
In the installation process of the zero-cold-water gas water heater, a special water return pipe is not installed in advance in most families, and a one-way valve is installed at a cold water valve and a hot water valve which are farthest from water to communicate cold and hot water pipes, and a circulating loop is formed by the cold water pipe and a machine, so that a circulating pump runs, when the water heater works, cold water in the cold water pipe can be heated, and unnecessary energy waste is caused; on the other hand, hot water can also be discharged in places such as cold water taps and toilets which do not need hot water, if cold water is used during circulating operation of the circulating pump, the water heater cannot be stopped normally, the cold water taps can continuously discharge hot water, the user experience feeling is very poor, and resource waste can be caused. In addition, even if a small number of user families do not use the zero cold water function, namely the circulating pump does not work, the water heater can be started when cold water is discharged. The defects are common problems existing in the zero-cold water gas water heater at present and are a big pain point of the industry, and the problem arouses the attention of a plurality of water heater manufacturers.
Disclosure of Invention
In order to solve the above problems, the present invention provides a zero-cold-water gas water heater with a remote-controlled electric valve in a circulating pipeline, which controls the on-off of an electric stop valve through a wireless signal, thereby avoiding the above bad experience and negative effects when a user uses cold water, and saving energy.
In order to achieve the above purpose, the invention adopts the technical scheme that:
a zero-cold-water gas water heater with a circulating pipeline provided with a remote control electric valve comprises a shell and a water inlet temperature sensor, a water flow sensor, a circulating pump, a heat exchanger and a water outlet temperature sensor which are arranged in the shell from a water inlet end in sequence; the remote temperature sensor is connected with the master controller and the electric stop valve; the main controller and the signal device are arranged in the shell; the far-end temperature sensor, the electric stop valve and the one-way valve are sequentially arranged on a connecting pipe between the hot water three-way valve and the cold water three-way valve at the farthest water using point, and the far-end temperature sensor is close to the hot water three-way valve; the control device is connected with the electric stop valve.
Preferably, the far-end temperature sensor and the electric stop valve are respectively and electrically connected with the control device.
Preferably, the circulating pump and the signal device are respectively and electrically connected with the main controller.
Preferably, the control device is connected with the signal device through a wireless signal.
Preferably, the gas water heater further comprises a combustion device and a fan; the combustion device is arranged at the lower end of the heat exchanger and is connected with an air source; the fan is connected with the combustion device.
The invention has the beneficial effects that:
the invention is characterized in that a far-end temperature sensor, an electric stop valve and a one-way valve are sequentially arranged between a farthest water using point and a cold and hot water valve, the on-off of the electric stop valve is controlled by a control device, so that water in cold and hot water pipes is completely isolated, a user is ensured to use comfortable hot water at each hot water faucet, the user is ensured to use real cold water at a cold water faucet, bad experience and negative influence generated when the user uses cold water are avoided, the water heater cannot be frequently started while cold water is used, and the purpose of saving energy is achieved.
Drawings
FIG. 1 is a schematic diagram of a heating system;
FIG. 2 is a partially enlarged view of the heating system;
fig. 3 is a schematic structural diagram of a control system of the present invention.
In the figure: 1. a housing; 2. an inlet water temperature sensor; 3. a water flow sensor; 4. a circulation pump; 5. a heat exchanger; 6. an effluent temperature sensor; 7. a master controller; 8. a signaling device; 9. a remote temperature sensor; 10. an electrically operated shutoff valve; 11. a one-way valve; 12. a control device; 13. a remote water application point; 14. a hot water pipe; 15. a cold water pipe; 16. a hot water three-way valve; 17. a cold water three-way valve; 18. a combustion device; 19. a fan; 20. a stop valve; 21. and (4) connecting the pipes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
The invention provides a zero-cold-water gas water heater with a remote control electric valve in a circulating pipeline, which comprises a machine shell 1 and a water inlet temperature sensor 2, a water flow sensor 3, a circulating pump 4, a heat exchanger 5 and a water outlet temperature sensor 6 which are arranged in the machine shell 1 from a water inlet end in sequence, wherein the water inlet temperature sensor 2 is connected with the water inlet end; the remote temperature control device also comprises a master controller 7, a signal device 8, a remote temperature sensor 9, an electric stop valve 10, a one-way valve 11 and a control device 12; the main controller 7 and the signal device 8 are arranged in the shell 1; the far-end temperature sensor 9, the electric stop valve 10 and the check valve 11 are sequentially arranged on a connecting pipe 21 between a hot water three-way valve 16 and a cold water three-way valve 17 of a far-end water consumption point, and the far-end temperature sensor 9 is close to the hot water three-way valve 16; the control device 12 is connected to the electric shutoff valve 10.
A circulating pipeline has zero cold water gas heater of the remote control motorised valve, the said temperature sensor of entering water 2 is used for detecting the temperature of entering water of the water inlet of the circulating pump 4; the water flow sensor 3 is used for detecting the flow of circulating water, and when the flow of the circulating water is larger than the starting flow of the water heater, the water heater is started; the circulating pump 4 is used for pumping cold water in the loop back to the machine for heating, and the water temperature reaches a set value due to the continuous action of the circulating pump 4, so that the zero cold water function of the water heater is realized; the water outlet of the circulating pump 4 is connected with the water inlet of the heat exchanger 5 through a pipeline, and a hot water outlet pipeline of the water heater is provided with a water outlet temperature sensor 6 for detecting the temperature of water; the hot water heated by the heat exchanger 5 reaches a water consumption point through the hot water pipe 14, the hot water pipe 14 and the cold water pipe 15 at the farthest water consumption point 13 are connected through a connecting pipe 21, a one-way valve 11 is arranged on the connecting pipe 21 and communicates the hot water pipe 14 with the cold water pipe 15, so that the hot water in the hot water pipe 14 flows into the cold water pipe 15 in a one-way mode, and a circulation loop is formed through the circulating pump 4. However, if cold water is used when the circulating pump 4 works, the water heater is not normally stopped, and the cold water faucet can continuously flow hot water, so that the remote temperature sensor 9 and the electric stop valve 10 are additionally arranged in front of the check valve 11, the electric stop valve 10 is connected with the control device 12, and the control device 12 controls the on-off of the electric stop valve 10, so that the on-off between the cold water pipe 15 and the hot water pipe 14 is controlled, a user is guaranteed to use real cold water at the cold water faucet, and bad experience and negative influence generated when the user uses the cold water are avoided.
Example 2
The present embodiment is developed on the basis of the above embodiments, and specifically, the present embodiment discloses a control method, as shown in fig. 3, the remote temperature sensor 9 and the electric shutoff valve 10 are respectively electrically connected to the control device 12. The far-end temperature sensor 9 detects the temperature of the far-end water consumption point, the detection result is transmitted to the signal device 8 through the control device 12, the signal device 8 transmits signals to the main controller 7 and the control device 12 respectively, when the temperature reaches a set value, the main controller 7 stops supplying power to the circulating pump 4, the circulating pump 4 stops running, and otherwise, the circulating pump is started; the control device 12 controls the electric stop valve 10 to be switched off, so that the hot water pipe 14 is disconnected from the cold water pipe 15, and vice versa. Therefore, the user can be guaranteed to reach comfortable hot water at each hot water faucet, the user can be guaranteed to obtain real cold water at the cold water faucet, the water heater cannot be frequently started when the user uses the cold water, and gas resources are saved.
Preferably, the circulating pump 4 and the signal device 8 are electrically connected to the main controller 7 respectively.
Preferably, the control device 12 is connected with the signal device 8 through a wireless signal.
Preferably, the gas water heater further comprises a combustion device 18 and a fan 19; the combustion device 18 is arranged at the lower end of the heat exchanger 5 and is connected with an air source; the fan 19 is connected to the combustion device 18.
Example 3
The present embodiment is developed on the basis of the above embodiments, and specifically, the present embodiment discloses an operating principle of a gas water heater:
when the zero cold water function of the water heater is actually started, with reference to fig. 1 and 2, the signal device 8 transmits a signal to the control device 12 of the farthest water consumption point 13, the control device 12 supplies power to the electric stop valve 10, the electric stop valve 10 is opened, the water ways at two ends are kept in a smooth state, meanwhile, the main controller 7 in the casing 1 supplies power to the circulating pump 4, the circulating pump 4 runs, low-temperature return water sequentially passes through the inlet water temperature sensor 2 and the water flow sensor 3, when the circulating water flow is larger than the starting flow of the water heater, the water heater is ignited to work, the return water flowing through the heat exchanger 5 is heated and flows out from the water outlet after passing through the outlet water temperature sensor 6, and due to the continuous action of the circulating pump 4, the heated circulating return water flows through the farthest water consumption point 13 through the hot water pipe 14. The remote temperature sensor 9 detects the temperature of the hot water at any time and feeds back the temperature to the signal device 8 on the water heater main machine through the control device 12, when the temperature reaches a set condition, such as: the temperature is set to 42 ℃ by a user, hot water at 42 ℃ flows to the farthest water using point 13 in a gradually decaying trend due to the influence of heat dissipation of the pipeline and original cold water in the pipeline, so that when the water reaches the farthest water using point 13, the temperature of the water is about 40-42 ℃, the circulating pump 4 is stopped to run, and the preheating operation is finished. When the far-end temperature sensor 9 tests that the temperature of hot water reaches 40-42 ℃, the main controller 7 stops supplying power to the circulating pump 4, the circulating pump 4 stops running, and the water heater stops working; meanwhile, the signal device 8 transmits a signal to the control device 12, the control device 12 cuts off the power of the electric stop valve 10, the water paths at two ends of the electric stop valve 10 are cut off, and the water in the cold and hot water pipe 14 is completely isolated. When the temperature of hot water is lower than 30 ℃ as tested by the far-end temperature sensor 9, the signal device 8 transmits a signal to the control device 12 of the farthest water utilization point 13, the control device 12 supplies power to the electric stop valve 10, the electric stop valve 10 is opened, the hot and cold water pipe 14 is kept smooth, meanwhile, the circulating pump 4 in the water heater runs, the water heater works to heat water in the circulating pipeline until the far-end temperature sensor 9 tests again that the water temperature reaches the stop condition, the electric stop valve 10 is powered off, and the water channels at the two ends are disconnected. Those skilled in the art will appreciate that the temperature value in this embodiment should be set according to actual conditions, so as to ensure that the user can use comfortable hot water at each hot water tap; but also can ensure that the user uses real cold water at the cold water faucet, and the water heater can not be frequently started when the user uses the cold water, thereby achieving the purpose of saving energy.
The remote temperature sensor 9 is arranged at the remote water consumption point, when the set temperature is reached, the main controller 7 controls the circulating pump 4 to stop working, if the remote temperature sensor 9 is not set, when the water temperature reaches the set value, the temperature can not be detected at the remote end, the circulating pump 4 continues working, and when the water flow returns to the water heater again, the water heater stops working. The latter half of whole preheating operation is useless, has wasted the gas energy, and preheating time has also increased, leads to the user to have not good water experience. Therefore, the far-end temperature sensor 9 can feed back temperature signals in time, waste of resources is avoided, and preheating time is saved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A zero-cold-water gas water heater with a circulating pipeline provided with a remote control electric valve comprises a machine shell (1) and a water inlet temperature sensor (2), a water flow sensor (3), a circulating pump (4), a heat exchanger (5) and a water outlet temperature sensor (6) which are arranged in the machine shell (1) in sequence from a water inlet end; the method is characterized in that: the remote temperature control device also comprises a master controller (7), a signal device (8), a remote temperature sensor (9), an electric stop valve (10), a one-way valve (11) and a control device (12); the main controller (7) and the signal device (8) are arranged in the shell (1); the far-end temperature sensor (9), the electric stop valve (10) and the one-way valve (11) are sequentially arranged on a connecting pipe (21) between a hot water three-way valve (16) and a cold water three-way valve (17) of a farthest water consumption point (13), and the far-end temperature sensor (9) is close to the hot water three-way valve (16); the control device (12) is connected with the electric stop valve (10).
2. The circulating pipeline zero-cold-water gas water heater with the remote-control electric valve as claimed in claim 1, characterized in that: the far-end temperature sensor (9) and the electric stop valve (10) are respectively electrically connected with the control device (12).
3. The circulating pipeline zero-cold-water gas water heater with the remote-control electric valve as claimed in claim 1, characterized in that: the circulating pump (4) and the signal device (8) are respectively electrically connected with the main controller (7).
4. The circulating pipeline zero-cold-water gas water heater with the remote-control electric valve as claimed in claim 1, characterized in that: the control device (12) is connected with the signal device (8) through wireless signals.
5. The circulating pipeline zero-cold-water gas water heater with the remote-control electric valve as claimed in claim 1, characterized in that: the gas water heater also comprises a combustion device (18) and a fan (19); the combustion device (18) is arranged at the lower end of the heat exchanger (5) and is connected with an air source; the fan (19) is connected with the combustion device (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111086608.7A CN113587451A (en) | 2021-09-16 | 2021-09-16 | Zero-cold-water gas water heater with circulating pipeline provided with remote control electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111086608.7A CN113587451A (en) | 2021-09-16 | 2021-09-16 | Zero-cold-water gas water heater with circulating pipeline provided with remote control electric valve |
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| Publication Number | Publication Date |
|---|---|
| CN113587451A true CN113587451A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111086608.7A Pending CN113587451A (en) | 2021-09-16 | 2021-09-16 | Zero-cold-water gas water heater with circulating pipeline provided with remote control electric valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060006A (en) * | 2022-01-30 | 2022-09-16 | 江苏海事职业技术学院 | Household central hot water circulating gas water heater |
| CN116625014A (en) * | 2023-07-25 | 2023-08-22 | 杭州老板电器股份有限公司 | Control method and control system for zero cold water function of water heater |
-
2021
- 2021-09-16 CN CN202111086608.7A patent/CN113587451A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060006A (en) * | 2022-01-30 | 2022-09-16 | 江苏海事职业技术学院 | Household central hot water circulating gas water heater |
| CN116625014A (en) * | 2023-07-25 | 2023-08-22 | 杭州老板电器股份有限公司 | Control method and control system for zero cold water function of water heater |
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