Instant heating type sanitary hot water unit

By employing an instantaneous design and a multi-stage filtration system, the problems of long preheating time and water quality safety in traditional water heaters are solved. This results in instantaneous water heaters that are hygienic, safe, energy-efficient, and provide rapid water output, making them suitable for places with high water quality requirements, such as hospitals and hotels.

CN224018539UActive Publication Date: 2026-03-20SHANDONG HANZUN COOLING & HEATING EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Traditional storage water heaters have long preheating times, significant heat loss, and are prone to bacterial growth. Existing instant water heaters still have room for improvement in terms of hygiene and safety, energy efficiency, and water output stability, especially in places with high water quality requirements such as hospitals and hotels.

Method used

It adopts an instant heating design, combined with a multi-stage filtration system and precise temperature control, including a pre-filter, solenoid valve, heating device and anti-scalding protection, to ensure water quality safety and achieve rapid hot water supply.

Benefits of technology

It provides a hygienic and safe instant hot water supply, ensuring water quality, energy efficiency, adjustable water temperature, multiple safety protections, and flexible installation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224018539U_ABST
    Figure CN224018539U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hot water heat exchange, in particular to an instant heating type sanitary hot water unit which comprises a unit box body, a water inlet pipe and a water outlet pipe, a control device is arranged on one side in the unit box body, a first water storage tank is arranged in the unit box body and connected with an electromagnetic valve, and the other end of the electromagnetic valve is connected with a front filter. The outer side of the second filter is connected with a water inlet pipe; the inner side of the second filter is connected with a second pressure pump; the other end of the second filter is connected with a water flow sensor; the upper end of the second pressure pump is connected with a second water pipe; the utility model is sanitary and safe; the instant heating design is adopted, so that bacteria breeding in stored water is avoided; the water quality sanitation is ensured; the temperature is accurately controlled, the heat efficiency is improved, and the water heater is more energy-saving than a traditional water storage type water heater; hot water can be discharged quickly, and the temperature can be accurately adjusted.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to hot water heat exchange technical field, concretely relates to a instant sanitary hot water unit. BACKGROUND

[0002] The traditional water storage type water heater has problems of long preheating time, big heat loss and easy breeding of bacteria, and the existing instant water heater still has room for improvement in sanitary safety, energy efficiency ratio and water stability. Especially for hospitals, hotels and other places with high water quality requirements, an instant hot water supply device capable of ensuring water quality safety, temperature stability and energy saving and high efficiency is needed. SUMMARY

[0003] To achieve the above object, the utility model provides the following technical scheme:

[0004] An instant sanitary hot water unit, comprising a unit box, a water inlet pipe and a water outlet pipe, a control device is arranged on one side of the inside of the unit box, a first water storage tank is arranged in the inside of the unit box, the first water storage tank is connected with a solenoid valve, the other end of the solenoid valve is connected with a pre-filter, a second filter is connected below the first water storage tank, the water inlet pipe is connected outside the second filter, the inside of the second filter is connected with a second pressure pump, the other end of the second filter is connected with a water flow sensor, the upper end of the second pressure pump is connected with a second water pipe, the second water pipe is connected with the first water storage tank, the upper end of the second water pipe is connected with a first water pipe, the other end of the first water pipe is connected with a second water storage tank, a heating device is arranged on the first water pipe, two pipelines are arranged on the upper end of the second water storage tank, one pipeline is connected with the first water storage tank, and the other pipeline is connected with the water outlet pipe.

[0005] Preferably, the pre-filter is bolted with the solenoid valve, the solenoid valve is connected with the first water storage tank through a pipeline, and the first water storage tank is connected with the second filter through a pipeline.

[0006] Preferably, the water inlet pipe is fixedly connected with the second filter, a pipeline is arranged at one end of the second filter, and a water flow sensor is arranged on the pipeline, and the second filter is connected with the second pressure pump through a pipeline.

[0007] Preferably, the second water pipe is a three-way pipeline and is connected with the second pressure pump, the first water storage tank and the first water pipe respectively, and the first water pipe is communicated with the heating device.

[0008] Preferably, the second water storage tank is connected with the anti-scalding protection device through a pipeline, the second water storage tank is communicated with the water outlet pipe, and the second water storage tank is communicated with the first water storage tank.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] The utility model discloses sanitary safety: adopt instant heating type design, avoid the bacteria that store water breeds, ensure water quality sanitation, energy -conserving high efficiency: accurate temperature control, heat efficiency improves, and the more energy -conservation of traditional storage water type water heater, convenient to use: hot water outlet water is fast, and temperature can be accurately adjusted, safe and reliable: multiple safety protection including overtemperature protection and anti -scald protection, ensure safe use, compact structure: installation is flexible, and does not occupy too much space. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the perspective view of the utility model;

[0012] Fig. 2 It is the front view of the utility model;

[0013] Fig. 3 It is the rear view of the utility model.

[0014] Marked annotation: 1, front filter, 2, electromagnetic valve, 3, first water storage tank, 4, anti-scald protection device, 5, second water storage tank, 6, heating device, 7, water flow sensor, 8, second pressure pump, 9, second filter, 10, first water pipe, 11, second water pipe, 12, unit box, 13, control device, 14, water inlet pipe, 15, water outlet pipe. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0016] As Figs. 1-3 Shown, a kind of instant heating type sanitary hot water unit, including unit box 12, water inlet pipe 14 and water outlet pipe 15, unit box 12 inside one side is provided with control device 13, unit box 12 inside is provided first water storage tank 3, first water storage tank 3 is connected with electromagnetic valve 2, the other end of electromagnetic valve 2 is connected with front filter 1, the lower side of the first water storage tank 3 is connected with second filter 9, the outer side of second filter 9 is connected with water inlet pipe 14, the inner side of second filter 9 is connected with second pressure pump 8, the other end of second filter 9 is connected with water flow sensor 7, the upper end of second pressure pump 8 is connected with second water pipe 11, second water pipe 11 is connected with first water storage tank 3, the upper end of second water pipe 11 is connected with first water pipe 10, the other end of first water pipe 10 is connected with second water storage tank 5, heating device 6 is arranged on first water pipe 10, the upper end of second water storage tank 5 is provided with two pipes, one pipe is connected with first water storage tank 3, and the other pipe is connected with water outlet pipe 15.

[0017] In use, tap water enters the second filter 9 through the water inlet pipe 14, and after filtration, part of the water enters the first water storage tank 3, and the other part enters the second pressurizing pump 8, the second pressurizing pump 8 pressurizes and delivers the water to the second water pipe 11, part of the water enters the first water storage tank 3, and the other part enters the first water pipe 10, and after being heated by the heating device 6, the hot water enters the second water storage tank 5, part of the hot water is delivered into the water outlet pipe 15, the water outlet pipe 15 is provided with an anti-scald protection device, and the heating is automatically stopped when the temperature is too high, and the other part enters the first water storage tank 3 and mixes with cold water to become warm water, when the warm water is used, the warm water flows out after being filtered again by the electromagnetic valve 2 and the pre-filter 1.

[0018] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0019] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection, or communication; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0020] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An instantaneous domestic hot water unit, comprising a unit housing (12), an inlet pipe (14), and an outlet pipe (15), characterized in that: A control device (13) is installed on one side inside the unit housing (12). A first water storage tank (3) is installed inside the unit housing (12). The first water storage tank (3) is connected to a solenoid valve (2). The other end of the solenoid valve (2) is connected to a pre-filter (1). A second filter (9) is connected below the first water storage tank (3). The outside of the second filter (9) is connected to an inlet pipe (14). The inside of the second filter (9) is connected to a second booster pump (8). The other end of the second filter (9) is connected to... A water flow sensor (7) is connected to a second water pipe (11) at the upper end of a second pressurizing pump (8). The second water pipe (11) is connected to a first water storage tank (3). The upper end of the second water pipe (11) is connected to a first water pipe (10). The other end of the first water pipe (10) is connected to a second water storage tank (5). A heating device (6) is installed on the first water pipe (10). Two pipes are installed on the upper end of the second water storage tank (5). One pipe is connected to the first water storage tank (3), and the other pipe is connected to the outlet pipe (15).

2. The instantaneous domestic hot water unit according to claim 1, characterized in that: The pre-filter (1) is bolted to the solenoid valve (2), the solenoid valve (2) is connected to the first water tank (3) by a pipeline, and the first water tank (3) is connected to the second filter (9) by a pipeline.

3. The instantaneous domestic hot water unit according to claim 1, characterized in that: The inlet pipe (14) is fixedly connected to the second filter (9). A pipe is installed at one end of the second filter (9), and a water flow sensor (7) is installed on the pipe. The second filter (9) is connected to the second booster pump (8) by a pipe.

4. The instantaneous domestic hot water unit according to claim 1, characterized in that: The second water pipe (11) is a three-way pipe, which connects the second booster pump (8), the first water storage tank (3) and the first water pipe (10) respectively. The first water pipe (10) is internally connected to the heating device (6).

5. The instantaneous domestic hot water unit according to claim 1, characterized in that: The second water tank (5) is connected to the anti-scalding protection device (4) by a pipe. The second water tank (5) is internally connected to the water outlet pipe (15). The second water tank (5) is internally connected to the first water tank (3).