CN210486121U - Cold water circulation energy-saving device for water heater - Google Patents
Cold water circulation energy-saving device for water heater Download PDFInfo
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- CN210486121U CN210486121U CN201921069912.9U CN201921069912U CN210486121U CN 210486121 U CN210486121 U CN 210486121U CN 201921069912 U CN201921069912 U CN 201921069912U CN 210486121 U CN210486121 U CN 210486121U
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Abstract
The utility model relates to the field of water heaters, in particular to a cold water circulation energy-saving device for a water heater, which comprises a water heater body, a circulating pump, a first water flow sensor, a hot water pipe, a cold water pipe, a four-way solenoid valve, a two-way solenoid valve, a second water flow sensor and a temperature sensor, wherein the hot water pipe and the cold water pipe are connected on the water heater body, the circulating pump and the first water flow sensor are arranged on the cold water pipe, the four-way pipe orifice of the four-way solenoid valve is respectively connected with the hot water pipe and the cold water pipe, the two-way solenoid valve is connected on the hot water pipe at the downstream end of the four-way solenoid valve, the second water flow sensor and the temperature sensor are arranged on the hot water pipe, when a hot water tap switch is opened, the temperature sensor detects that the hot water temperature does not reach the standard, the water circulation, this design more practices thrift the electric energy, has the life who prolongs water heater body and circulating pump.
Description
Technical Field
The utility model relates to a water heater system field, concretely relates to cold water circulation economizer for water heater.
Background
As the household gas water heater is generally arranged on a living balcony, and the bath water is in a bathroom, a long pipeline is arranged from the bathroom to a kitchen, and the pipeline is generally 10-30 meters. Therefore, when a user takes a bath, cold water stored in the pipeline must be discharged first to enable hot water to flow out, and a large amount of cold water is discharged to enable hot water to flow out, so that a large amount of water is wasted after long-time waiting. Especially, when the weather turns cold, the hot water can not be discharged for a long time. Therefore, the problem that cold water is required to be put before hot water is used every time is solved, and the common use problem in the gas water heater industry is solved.
The existing water heater with return water can ensure that hot water can come out when a hot water tap is opened, the control of return water systems of various water heaters is different, some water heaters are of time control type and some water heaters are of temperature control type, and the control is carried out through a remote controller.
However, both of the controls have their own disadvantages, and as for the time-controlled water heater return system, as long as the time is set, the return pump will start up to consume the heat energy of the hot water, increase the energy consumption of the water heater, and shorten the service life of the return pump, no matter whether the user uses the hot water or not, within the set time. The temperature of the water heater is increased or not increased within the set water return time, and the water return pump cannot be started when the water heater is used outside the set water return time.
Disclosure of Invention
An object of the utility model is to provide a cold water circulation economizer for water heater makes it reach as long as when wanting to use hot water after improving, only needs with hot tap short-lived start-up, and hot water will be fast, accurate position that reachs you and use. The water can return without returning, and stop after returning, and the hot water can not return, thereby saving water and electricity, and being more convenient and comfortable.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
the cold water circulation energy-saving device for the water heater comprises a water heater body, a circulating pump, a first water flow sensor, a hot water pipe and a cold water pipe, wherein one end of the hot water pipe and one end of the cold water pipe are connected to the water heater body, the circulating pump and the first water flow sensor are installed on the cold water pipe, the cold water circulation energy-saving device further comprises a four-way electromagnetic valve, a two-way electromagnetic valve, a second water flow sensor and a temperature sensor, a hot water inlet and a hot water outlet of the four-way electromagnetic valve are connected with the hot water pipe, a cold water inlet and a cold water outlet of the four-way electromagnetic valve are connected with the cold water pipe, the two-way electromagnetic valve is connected to the hot water pipe at the downstream end of the four-way electromagnetic valve, the second water flow sensor is installed on the hot water pipe.
Further limited, the periphery of the four-way solenoid valve, the two-way solenoid valve, the second water flow sensor and the temperature sensor is surrounded by an integrated outer shell box.
Further limited, the system also comprises a liquid crystal display and a singlechip control circuit board which are arranged in the integrated shell box.
Further, the power supply of the single chip microcomputer control circuit board is a mobile power supply or a water flow generator.
The cold water circulation energy-saving device for the water heater, which adopts the design, has the advantages compared with the prior art that:
1. only when opening hot tap switch, the circulating pump just can start, and temperature sensor detects the hot water temperature and just can start the hydrologic cycle reheating in the circulating pump geminate transistor not up to standard, also is starting the condition for the circulating pump when not using hot water among the prior art, and the electric energy is more practiced thrift in this design, prolongs the life of water heater body and circulating pump.
2. The integrated circuit box has the advantages that the whole cold water circulating component is concentrated in the integrated shell box, the integrated shell box can be directly installed on the existing water pipeline, the integrated structure is designed, the size is small, the installation is easy, the replacement is easy, the integrated circuit box has a sealing and waterproof function, circuit elements in the integrated circuit box are free of circuit leakage, the phenomenon of rainwater short circuit of a circuit can be avoided, and the use is safe. The whole system achieves the automatic circulation control of water temperature in multiple places, and achieves the purposes of returning water, stopping after returning and stopping hot water according to the induction of water flow, thereby saving water and electricity.
Drawings
Fig. 1 is a schematic plan layout structure of a cold water circulation energy-saving device for a water heater according to a first embodiment;
FIG. 2 is a schematic plan view of a cold water circulation economizer for a water heater according to a second embodiment;
FIG. 3 is a schematic plan view of the cold water circulation energy saving device for a water heater of the second embodiment, which utilizes the water flow generator to provide power;
fig. 4 is a flow chart of the working principle of the first embodiment and the second embodiment.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.
The first embodiment is as follows: as shown in fig. 1, the cold water circulation energy saving device for the water heater comprises a water heater body 1, a circulation pump 2, a first water flow sensor 3, a hot water pipe 4 and a cold water pipe 5, wherein one end of the hot water pipe 4 and one end of the cold water pipe 5 are connected to the water heater body 1, the other end of the hot water pipe 4 and the other end of the cold water pipe 5 are provided with a faucet switch 6, the circulation pump 2 and the first water flow sensor 3 are installed on the cold water pipe 4, and when the first water flow sensor 3 detects that cold water circulates, the circulation pump 2 is immediately started to introduce the cold water into the water heater body 1.
Except for the original components, the cold water circulation energy-saving device for the water heater further comprises a four-way electromagnetic valve 7 (6V pulse electromagnetic valve), a two-way electromagnetic valve 8 (6V pulse electromagnetic valve), a second water flow sensor 9 and a temperature sensor 10, wherein a hot water inlet and a hot water outlet of the four-way electromagnetic valve 7 are connected with a hot water pipe 4, a cold water pipe 5 is connected with a cold water inlet and a cold water outlet of the four-way electromagnetic valve 7, the two-way electromagnetic valve 8 is connected to the hot water pipe 4 at the downstream end of the four-way electromagnetic valve 7, the second water flow sensor 9 is installed on the hot water pipe 4 at the upstream end of the hot water inlet of the four-way electromagnetic valve 7, and the temperature sensor 10 is installed on the hot water pipe 4.
And an integrated shell box 11 is surrounded by the peripheries of the four-way electromagnetic valve 7, the two-way electromagnetic valve 8, the second water flow sensor 9 and the temperature sensor 10. A liquid crystal display and a singlechip control circuit board 12 are also arranged in the integrated shell box 11, and the singlechip control circuit board 12 controls the four-way electromagnetic valve 7, the two-way electromagnetic valve 8, the first water flow sensor 3, the second water flow sensor 9, the temperature sensor 10 and the circulating pump 2 to work. In addition, the power supply of the one-chip microcomputer control circuit board 12 is a portable power supply or a water current generator, and the portable power supply 13 is preferably used in this embodiment.
Example two: the cold water circulation energy-saving device for the water heater as shown in fig. 2 comprises a water heater body 1, a circulation pump 2, a first water flow sensor 3, a hot water pipe 4 and a cold water pipe 5, wherein one end of the hot water pipe 4 and one end of the cold water pipe 5 are connected to the water heater body 1, and the circulation pump 2 and the first water flow sensor 3 are installed on the cold water pipe 5.
Apart from the above elements, the cold water circulation energy-saving device for the water heater further comprises two-way electromagnetic valves 8 (6V pulse electromagnetic valves), a heat exchange pipe 14, a second water flow sensor 9 and a temperature sensor 10 (the model is DS18B20, the temperature measurement range is-10 degrees to +85 degrees), the heat exchange pipe 14 is communicated with the hot water pipe 4 and the cold water pipe 5, the connection part is connected through a three-way pipe, one two-way electromagnetic valve 8 is installed on the heat exchange pipe 14, the other two-way electromagnetic valve 8 is installed on the hot water pipe 4, the temperature sensor 10 is installed on the hot water pipe 4 at the upstream end of the heat exchange pipe 14, and the second water flow sensor 9 is installed on the hot water pipe 4 at the upstream end of the temperature.
The two-way solenoid valve 8, the second water flow sensor 9 and the temperature sensor 10 are surrounded by an integrated housing box 11. A liquid crystal display and a singlechip control circuit board 12 are also arranged in the integrated shell box 11; the singlechip control circuit board 12 controls the four-way electromagnetic valve 7, the two-way electromagnetic valve 8, the first water flow sensor 3, the second water flow sensor 9, the temperature sensor 10 and the circulating pump 2 to work. The liquid crystal display may be a display module directly connected to the temperature sensor 10, and the model may be selected from a DS18B20 digital temperature sensor. The temperature sensor 10 is a single-bus digital temperature sensor, has small volume and simple structure of the formed system, can directly convert the temperature into a serial digital signal to be processed by a single chip microcomputer control circuit board, and can realize temperature display. In addition, the DS18B20 has a small-volume package with three pins, the temperature measurement range is-55 to +125 ℃, the temperature measurement resolution can reach 0.0625 ℃, and the measurement range and precision can meet the design requirements; the system has simple circuits and simpler software design, and the system designed by the scheme can well meet the requirements on the aspects of power consumption, measurement accuracy, range and the like.
The power source of the one-chip microcomputer control circuit board 12 is the portable power source 13 or the water current generator 15, and the portable power source 13 is preferably used in this embodiment. When the mobile power supply 13 is used for supplying power to the singlechip control circuit board 12, a socket is not required to be arranged at a faucet, so that short circuit caused by water is avoided. If the water flow generator 15 (CNZ-FDV 1 micro hydroelectric generator) is used for supplying power to the singlechip control circuit board 12, the water flow generator 15 is installed on the cold water pipe 5, the flow of water is utilized for generating electricity, the generated electricity is transmitted to the singlechip control circuit board 12 for use and storage, and a connecting plane layout when the water flow generator 15 is used is shown as figure 3.
The working principle of the above two embodiments is as follows:
as shown in fig. 4, when the hot water faucet is opened, the cold water in the hot water pipe 4 passes through the temperature sensor 10, if the temperature set in the temperature sensor 10 is 40 ℃, and the temperature of the water passing through the temperature sensor 10 is below 40 ℃, the two-way solenoid valve 8 (i.e. the two-way solenoid valve 8 at the most downstream end of the hot water pipe) adjacent to the hot water faucet is closed, the four-way solenoid valve 7 or the two-way solenoid valve 8 on the heat exchange pipe 14 is opened, the cold water in the hot water pipe 4 is circulated to the cold water pipe 5, then flows back to the circulating pump 2, flows back to the water heater body 1 for heating, circulates until the water is heated until the temperature of the water detected by the temperature sensor 10 reaches a set value, the two-way solenoid valve 8 is opened, the hot water is led out of the hot water faucet, and the circulating pump 2 stops operating when, compared with the prior art that the circulating pump 2 is always operated when hot water is not used, the design saves heat energy; similarly, the second water flow sensor 9 does not detect the flow of water in the hot water pipe 4, and then the temperature sensor 10 and the two solenoid valves will also stop working, thereby saving electric energy. In addition, if the hot water tap and the cold water tap are both opened, the four-way solenoid valve 7 and the two-way solenoid valve 8 are both opened (in the same manner as in the second embodiment, both the two-way solenoid valves 8 are opened), and then the cold water in the hot water pipe 4 can be circulated to the water heater body 1 or can be shunted to the cold water tap switch.
The cold water circulation energy-saving device for the water heater provided by the utility model is described in detail. The description of the specific embodiments is only for the purpose of helping understanding the method of the present invention and the core idea thereof, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.
Claims (4)
1. A cold water circulation economizer for water heater, including water heater body, circulating pump, first rivers sensor, hot-water line and cold water pipe, the wherein one end of hot-water line and cold water pipe is connected on the water heater body, circulating pump and first rivers sensor install on the cold water pipe its characterized in that: also comprises a four-way electromagnetic valve, a two-way electromagnetic valve, a second water flow sensor and a temperature sensor,
the hot water inlet and the hot water outlet of the four-way solenoid valve are connected with a hot water pipe, the cold water inlet and the cold water outlet of the four-way solenoid valve are connected with a cold water pipe, the two-way solenoid valve is connected with the hot water pipe at the downstream end of the four-way solenoid valve, the second water flow sensor is installed on the hot water pipe at the upstream end of the hot water inlet of the four-way solenoid valve, and the temperature sensor is installed on the hot water pipe between the second water flow sensor and the four-way solenoid valve.
2. The cold water circulation economizer for a water heater of claim 1 wherein: and the periphery of the four-way electromagnetic valve, the two-way electromagnetic valve, the second water flow sensor and the temperature sensor is surrounded by an integrated outer shell box.
3. The cold water circulation economizer for a water heater according to claim 2, wherein: the system also comprises a liquid crystal display and a singlechip control circuit board which are arranged in the integrated shell box.
4. The cold water circulation economizer for a water heater of claim 3 wherein: the power supply of the singlechip control circuit board is a mobile power supply or a water flow generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921069912.9U CN210486121U (en) | 2019-07-10 | 2019-07-10 | Cold water circulation energy-saving device for water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921069912.9U CN210486121U (en) | 2019-07-10 | 2019-07-10 | Cold water circulation energy-saving device for water heater |
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| CN210486121U true CN210486121U (en) | 2020-05-08 |
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| CN201921069912.9U Active CN210486121U (en) | 2019-07-10 | 2019-07-10 | Cold water circulation energy-saving device for water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260528A (en) * | 2019-07-10 | 2019-09-20 | 重庆益美特自动化科技有限公司 | Novel energy-conserving water-heater system |
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- 2019-07-10 CN CN201921069912.9U patent/CN210486121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260528A (en) * | 2019-07-10 | 2019-09-20 | 重庆益美特自动化科技有限公司 | Novel energy-conserving water-heater system |
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