CN218993660U

CN218993660U - Zero cold water heater

Info

Publication number: CN218993660U
Application number: CN202223572437.1U
Authority: CN
Inventors: 楚旭
Original assignee: Foshan Yuanshangquan Electrical Appliance Co ltd
Current assignee: Foshan Yuanshangquan Electrical Appliance Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-09
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a zero cold water heater, which comprises a heating main body, a first water inlet pipe, a second water inlet pipe, a bypass pipe, a water outlet pipe, a three-way valve, a booster pump, a water outlet temperature sensor, an electromagnetic stop valve and a controller, wherein one end of the first water inlet pipe is communicated with an inlet of the heating main body, the other end of the first water inlet pipe is communicated with a first end of the three-way valve, one end of the second water inlet pipe is communicated with a second end of the three-way valve, the other end of the second water inlet pipe is communicated with an external tap water pipe, one end of the bypass pipe is communicated with a third end of the three-way valve, the other end of the bypass pipe is communicated with the water outlet pipe, and one end of the water outlet pipe is communicated with an outlet of the heating main body; the booster pump is arranged on the first water inlet pipe, the electromagnetic stop valve is arranged on the bypass pipe, and the water outlet temperature sensor is arranged on the water outlet pipe; the controller is respectively and electrically connected with the booster pump, the water outlet temperature sensor and the electromagnetic stop valve; when the zero-cooling water heater is used, a water outlet pipe of the water heater is hot water when a user uses the water heater each time, and the water is discharged as hot water, so that zero-cooling water is realized.

Description

Zero cold water heater

Technical Field

The utility model relates to the technical field of water heaters, in particular to a zero-cooling water heater.

Background

The water heater is a device for changing the temperature of cold water into hot water in a certain time by various physical principles, and can be divided into an electric water heater, a gas water heater, a solar water heater, a heat pump water heater and the like according to different principles. The existing water heater has the advantages that after the water outlet pipeline is used by a user each time, some water can be reserved in the water outlet pipeline, when the water outlet pipeline is used next time, the water in the water outlet pipeline is cooled into cold water, the user is required to discharge the cold water of the water outlet pipeline completely, the hot water can be used, the water is wasted, and inconvenience is brought to the user.

Disclosure of Invention

The utility model aims to provide a zero-cooling water heater which can effectively solve the problem that a water outlet pipe of an existing water heater has cooling water.

The technical problems are solved by the following technical scheme:

the utility model provides a zero cold water heater, includes heating main part, first inlet tube, second inlet tube, bypass pipe, outlet pipe, three-way valve, booster pump, goes out water temperature sensor, electromagnetic stop valve, controller, the one end of first inlet tube with the import intercommunication of heating main part, the other end with the first end of three-way valve communicates, the one end of second inlet tube with the second end of three-way valve communicates, the other end with outside running water pipe intercommunication, the one end of bypass pipe with the third end of three-way valve communicates, the other end with the outlet pipe communicates, the one end of outlet pipe with the export intercommunication of heating main part; the booster pump is arranged on the first water inlet pipe, the electromagnetic stop valve is arranged on the bypass pipe, and the water outlet temperature sensor is arranged on the water outlet pipe; the controller is respectively and electrically connected with the booster pump, the water outlet temperature sensor and the electromagnetic stop valve.

Compared with the background technology, the zero cold water heater has the following beneficial effects:

when the zero cold water heater is normally used for heating water, the electromagnetic stop valve is in a closed state, water flows through the second water inlet pipe, the second end and the first end of the three-way valve, the first water inlet pipe and the heating main body in sequence, and finally flows out from the water outlet pipe; when the water temperature sensor detects the water temperature of the water outlet pipe in a standby state, when the water temperature is lower than a preset temperature value, the controller controls the electromagnetic stop valve to be conducted and the booster pump to start, water flows out of the outlet of the heating main body, flows through the water outlet pipe, the bypass pipe, the third end and the first end of the three-way valve and the first water inlet pipe in sequence, finally flows into the inlet of the heating main body, and is continuously and circularly heated until the water temperature of the water outlet pipe reaches the preset temperature value, so that the water outlet pipe of the water heater is hot water when the water heater is used next time by a user, and the water outlet is hot water, thereby realizing zero cold water.

In one embodiment, the zero-water-chilling water heater further comprises a flow sensor and a water inlet temperature sensor, wherein the flow sensor and the water inlet temperature sensor are arranged on the second water inlet pipe and are respectively and electrically connected with the controller.

In one embodiment, the zero cold water heater further comprises a silicon controlled element, the heating main body comprises an electric heating element, the electric heating element is electrically connected with the silicon controlled element, and the controller is electrically connected with a control end of the silicon controlled element.

In one embodiment, the zero-water heater further comprises a check valve provided on the second inlet pipe.

In one embodiment, the zero-cooling water heater further comprises a zero-sequence transformer electrically connected with the controller, and the induction end of the zero-sequence transformer is arranged at the live wire end and the zero wire end of the power supply.

Drawings

FIG. 1 is a schematic diagram of the waterway structure of the zero-water heater of the present utility model;

FIG. 2 is a schematic diagram of the circuit structure of the zero-water heater of the present utility model.

Description of the reference numerals:

10. heating the body; 100. an electric heating element; 11. a first water inlet pipe; 12. a second water inlet pipe; 13. a bypass pipe; 14. a water outlet pipe; 15. a three-way valve; 150. a first end; 151. a second end; 152. a third end; 16. a booster pump; 17. a water outlet temperature sensor; 18. an electromagnetic stop valve; 19. a controller; 20. a flow sensor; 21. a water inlet temperature sensor; 22. a thyristor element; 23. a one-way valve; 24. zero sequence transformer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that, if the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate or refer to an orientation or a positional relationship based on that shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or the like, may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The embodiment provides a zero cold water heater, as shown in fig. 1-2, comprising a heating main body 10, a first water inlet pipe 11, a second water inlet pipe 12, a bypass pipe 13, a water outlet pipe 14, a three-way valve 15, a booster pump 16, a water outlet temperature sensor 17, an electromagnetic stop valve 18 and a controller 19, wherein one end of the first water inlet pipe 11 is communicated with an inlet of the heating main body 10, the other end of the first water inlet pipe is communicated with a first end 150 of the three-way valve 15, one end of the second water inlet pipe 12 is communicated with a second end 151 of the three-way valve 15, the other end of the second water inlet pipe 12 is communicated with an external tap water pipe, one end of the bypass pipe 13 is communicated with a third end 152 of the three-way valve 15, the other end of the bypass pipe is communicated with the water outlet pipe 14, and one end of the water outlet pipe 14 is communicated with an outlet of the heating main body 10; the booster pump 16 is arranged on the first water inlet pipe 11, the electromagnetic stop valve 18 is arranged on the bypass pipe 13, and the water outlet temperature sensor 17 is arranged on the water outlet pipe 14; the controller 19 is electrically connected to the booster pump 16, the outlet water temperature sensor 17, and the electromagnetic stop valve 18, respectively.

On the basis of the above structure, when the hot water is normally used, the electromagnetic stop valve 18 is in a closed state, water flows through the second water inlet pipe 12, the second end 151 and the first end 150 of the three-way valve 15, the first water inlet pipe 11 and the heating main body 10 in sequence, and finally flows out from the water outlet pipe 14; when the water temperature is lower than a preset temperature value, the controller 19 controls the electromagnetic stop valve 18 to be turned on and the booster pump 16 to start, water flows out from the outlet of the heating main body 10, flows through the water outlet pipe 14, the bypass pipe 13, the third end 152 and the first end 150 of the three-way valve 15 and the first water inlet pipe 11 in sequence, finally flows into the inlet of the heating main body 10, and is continuously circularly heated until the water temperature of the water outlet pipe 14 reaches the preset temperature value, so that when a user uses the water heater next time, the water outlet pipe 14 of the water heater is hot water, and the water is hot water, thereby realizing zero cold water.

The heating mode of the heating body 10 may be one of electric heating, heat pump heating, gas heating, and solar heating.

It is to be understood that the controller 19 may be a microprocessor or one of the programmable controllers 19, and the controller 19 is a conventional structure in the art, and will not be described herein.

In this embodiment, the zero-water-chilling water heater further includes a flow sensor 20 and a water inlet temperature sensor 21, where the flow sensor 20 and the water inlet temperature sensor 21 are disposed on the second water inlet pipe 12 and are electrically connected to the controller 19 respectively; so set up, the controller 19 gathers water inflow temperature, water outlet temperature, discharge flow size and settlement temperature and calculates the operating condition of output regulation heating main part 10 to adjust heating power of heating main part 10, realize the constant temperature water outlet.

Further, the zero cold water heater further comprises a silicon controlled element 22, the heating main body 10 comprises an electric heating element 100, the electric heating element 100 is electrically connected with the silicon controlled element 22, and the controller 19 is electrically connected with a control end of the silicon controlled element 22; by arranging the silicon controlled element 22, the heating power of the electric heating element 100 is steplessly regulated by using the silicon controlled element 22, so that various power requirements are met, the water temperature fluctuation is small, and the water temperature requirement of constant-temperature water outlet is met.

In addition, the silicon controlled rectifier is also called a thyristor, is a high-power semiconductor device with a four-layer structure and three PN junctions, and has the characteristics of small volume, relatively simple structure, strong function and the like. The device can realize the non-contact control of alternating current in a circuit, controls large current with small current, and has the advantages of no spark, fast action, long service life, high reliability, simplified circuit structure and the like. In addition, the thyristor comprises three wiring pins, which are respectively called a first anode, a second anode and a control electrode. It should be noted that, the silicon controlled rectifier is used to control the output current, and further control the working power of the electric heating element 100, which is a mature technology and will not be described herein.

It can be understood that the realization of constant temperature water outlet requires the controller 19 to calculate and output the adjustment command to adjust the working state of the silicon controlled element 22 by summarizing the water inlet temperature, the water outlet temperature, the water flow and the set temperature, thereby adjusting the heating power of the electric heating element 100 and realizing constant temperature water outlet. It should be noted that, the control logic attached to the controller 19 for summarizing the water inlet temperature, the water outlet temperature, the water flow rate and the set temperature is a mature technology in the art, and will not be described in detail herein.

Still further, the electric heating member 100 may be an electric heating tube or a PTC heating element.

In this embodiment, the zero-cold water heater further includes a check valve 23, where the check valve 23 is disposed on the second water inlet pipe 12, so that in a zero-cold water working state, external tap water and a zero-cold water circulation waterway are not interfered with each other, and the heating effect is improved.

In this embodiment, the zero-cold water heater further includes a zero-sequence transformer 24 electrically connected to the controller 19, and the sensing end of the zero-sequence transformer 24 is disposed at the live wire end and the zero wire end of the power supply, so that the design has the advantage of improving the use safety of the user.

In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing detailed description of the embodiments presents only a few embodiments of the present utility model, which are described in some detail and are not intended to limit the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A zero cold water heater, characterized in that: the water heater comprises a heating main body, a first water inlet pipe, a second water inlet pipe, a bypass pipe, a water outlet pipe, a three-way valve, a booster pump, a water outlet temperature sensor, an electromagnetic stop valve and a controller, wherein one end of the first water inlet pipe is communicated with an inlet of the heating main body, the other end of the first water inlet pipe is communicated with a first end of the three-way valve, one end of the second water inlet pipe is communicated with a second end of the three-way valve, the other end of the second water inlet pipe is communicated with an external tap water pipe, one end of the bypass pipe is communicated with a third end of the three-way valve, the other end of the bypass pipe is communicated with the water outlet pipe, and one end of the water outlet pipe is communicated with an outlet of the heating main body; the booster pump is arranged on the first water inlet pipe, the electromagnetic stop valve is arranged on the bypass pipe, and the water outlet temperature sensor is arranged on the water outlet pipe; the controller is respectively and electrically connected with the booster pump, the water outlet temperature sensor and the electromagnetic stop valve.

2. The zero water chiller according to claim 1 wherein: the water inlet device further comprises a flow sensor and a water inlet temperature sensor, wherein the flow sensor and the water inlet temperature sensor are arranged on the second water inlet pipe and are respectively and electrically connected with the controller.

3. The zero water chiller according to claim 2 wherein: the heating device comprises a heating main body and is characterized by further comprising a silicon controlled element, wherein the heating main body comprises an electric heating element, the electric heating element is electrically connected with the silicon controlled element, and the controller is electrically connected with a control end of the silicon controlled element.

4. The zero water chiller according to claim 1 wherein: the water inlet pipe further comprises a one-way valve, and the one-way valve is arranged on the second water inlet pipe.

5. A zero water chiller according to any one of claims 1 to 4 wherein: the power supply also comprises a zero sequence transformer electrically connected with the controller, wherein the induction end of the zero sequence transformer is arranged at the live wire end and the zero wire end of the power supply.