Electric hot water heating machine

The electric hot water heater, with its integrated design and compact layout, solves the problems of high power and inconvenient installation in existing instantaneous circulating heating systems, achieving a compact structure and easy installation.

CN223869307UActive Publication Date: 2026-02-03SHANZHIBEN GROUP CO LTD
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Patent Information

Application Number
CN202520435670.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-02-03
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

Existing instantaneous circulating heating systems suffer from problems such as high power consumption, loose structure, and inconvenient installation.

Method used

The device adopts an integrated design, integrating the instant electric water heater module, insulated buffer tank, and water pump into the casing. It makes reasonable use of space, uses a vertical water pump and a compact structural layout, adds a support frame and fixed base plate to prevent shaking, uses parallel instant electric water heater devices, and is equipped with sewage discharge and air vent valves.

Benefits of technology

This resulted in an electric hot water heater that is compact, powerful, and easy to install, improving the user experience and transportation stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223869307U_ABST
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Abstract

An electric water heating machine comprises a machine shell, an instant heating type electric water heating module, a heat preservation buffer water tank, a water pump, a control module and an operation module, and a control cavity with an opening and a door body are arranged on one side of the machine shell; the control module is arranged in the control cavity, and the door body is pivoted with an opening of the control cavity; the instant electric water heating module is arranged on the upper portion of the rear portion of the machine shell, the heat preservation buffer water tank is arranged on the lower portion, and the water pump is arranged on the front portion of the machine shell. The operation module is arranged at the upper part of the front part of the shell; the water outlet end of the instant electric water heating module is communicated with the heat preservation buffering water tank, the heat preservation buffering water tank, the water pump and the water outlet pipe are sequentially communicated, and the water outlet pipe extends out of one side of the machine shell. The water return pipe is communicated with the water inlet end of the instant heating type electric water heating module and extends out of one side of the machine shell. The instant electric water heating module, the heat preservation buffer water tank and the water pump are integrated and arranged in the shell, the structure is compact, and moving is convenient. Through the arrangement of the instant electric water heating module, the heat preservation buffer water tank and the water pump, the space of the shell is reasonably utilized.
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Description

Technical Field

[0001] This utility model relates to the field of electric water heating technology, and in particular to an instant electric water heating machine. Background Technology

[0002] Current technology, as described in Chinese patent CN201020502490.2, is an instantaneous circulating heating system. It includes a heating device, a heating system, and a hot water storage tank. The heating system's outlet pipe connects to the hot water storage tank, and its inlet pipe connects to the heating device. The hot water storage tank has an inlet pipe connected to an inlet solenoid valve. The heating device is an instantaneous water heater. The inlet pipe of the instantaneous water heater connects to the outlet pipe of a water pump, and the inlet pipe of the water pump connects to the outlet pipe of the hot water storage tank. The outlet pipe of the instantaneous water heater is connected to the heating system. In this invention, water from the hot water storage tank is pumped into the instantaneous water heater for heating. The heated water then enters the heating system to provide heating. After flowing through the heating system, the hot water flows back to the hot water storage tank for storage. The problems are: high power consumption, loose structure, and inconvenient installation for consumers. Utility Model Content

[0003] The purpose of this utility model is to provide an electric hot water heater that has a compact structure, high power, and convenient installation.

[0004] This utility model is implemented as follows: an electric hot water heater, characterized in that it includes a casing, an instant electric hot water module, an insulated buffer water tank, a water pump, a control module, and an operation module.

[0005] One side of the casing has a control cavity and a door with an opening;

[0006] The control module is located inside the control cavity, with the door pivotally connected to the right opening; the instant electric water heater module is located at the upper rear of the casing, the insulated buffer water tank is located at the lower part, and the water pump is located at the front of the casing; the operation module is located at the upper front of the casing; the outlet of the instant electric water heater module is connected to the insulated buffer water tank, and the insulated buffer water tank, water pump, and outlet pipe are connected in sequence, with the outlet pipe extending from one side of the casing; the return water pipe is connected to the inlet of the instant electric water heater module and extends from one side of the casing.

[0007] The electric hot water heater described above is characterized in that: the water outlet of the instant electric hot water module is connected to the top of the heat-insulating buffer water tank through a water outlet guide pipe, and the water pump is connected to one end of the heat-insulating buffer water tank.

[0008] The bottom of the insulated buffer water tank is equipped with a drain valve.

[0009] The electric water heater described above is special in that the water pump is a vertical water pump.

[0010] The electric hot water heater described above is characterized in that it also includes a support frame and a fixed base plate.

[0011] The support frame supports and fixes the insulated buffer water tank together, and the fixed base plate is fixed to the rear of the insulated buffer water tank and the rear of the machine casing.

[0012] The electric hot water heater described above is characterized in that: the casing includes a base plate, a top cover plate, two front columns, two rear columns, a front plate, a rear plate, a left bottom plate, a left maintenance plate, and a right bottom plate.

[0013] The lower ends of the front and rear columns are fixed to the front and rear corners of the base plate, respectively, and the upper ends extend into and are fixed to the top cover plate. The control cavity has an upper part on the right side, and the right bottom plate is fixed to the lower part of the control cavity and the base plate. The front plate is fixed to the base plate, the top cover plate, and the front column. The operation module is located on the upper part of the front plate. The left maintenance plate and the left bottom plate are arranged vertically and detachably cooperate with the left opening formed by the front column, the rear column, the top cover plate, and the base plate. The rear back plate is detachably cooperated with the rear opening formed by the rear column, the top cover plate, and the base plate. The return water pipe and the outlet water pipe extend from the left bottom plate, respectively.

[0014] The electric hot water heater described above is characterized in that it further includes an upper frame, a lower frame, and a support frame.

[0015] The support frame is located on the lower frame. The bottom of the instant electric water heater module is fixed to the support frame, and the top is fixed to the upper frame. The upper frame and the lower frame are fixed to the front column and the rear column.

[0016] The electric water heater described above is characterized in that: the instant electric water heater module is composed of several instant electric water heater devices connected in parallel.

[0017] The instant electric water heater is equipped with a filter and an inlet shut-off valve at the water inlet. The water inlet, filter, inlet shut-off valve, and the insulated buffer water tank are connected in sequence.

[0018] The instant electric water heater is equipped with a water outlet shut-off valve at the water outlet end, and the water outlet end, the water outlet shut-off valve and the water outlet pipe are connected in sequence;

[0019] By removing the left maintenance plate, the outlet shut-off valve, the inlet shut-off valve, and the cleaning filter can be operated.

[0020] The electric water heater described above is characterized in that: the rear of the instant electric water heater is equipped with a drain valve, which can be operated by removing the rear panel.

[0021] The electric hot water heater described above is characterized in that: the top of the insulated buffer water tank is equipped with an exhaust valve.

[0022] This utility model discloses an electric hot water heater, which integrates an instant electric hot water module, an insulated buffer water tank, and a water pump into a single unit housed within a casing, achieving a compact structure and easy mobility; the layout of the instant electric hot water module, the insulated buffer water tank, and the water pump makes reasonable use of the space within the casing. Attached Figure Description

[0023] Figure 1 This is one of the perspective views of this utility model.

[0024] Figure 2 This is the second perspective view of this utility model.

[0025] Figure 3 This is one of the exploded perspective views of this utility model.

[0026] Figure 4 This is the second exploded perspective view of this utility model.

[0027] Figure 5 This is one of the partial perspective views of this utility model.

[0028] Figure 6 This is the second partial perspective view of this utility model. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] like Figure 1 As shown, an electric water heater includes a casing 1, an instant electric water module 2, an insulated buffer water tank 3, a water pump 4, a control module 5, and an operation module 6.

[0032] The housing 1 has a control cavity 11 with an opening and a door 12 on one side. The door 12 can be made of transparent material.

[0033] The control module 5 is located inside the control cavity 11, and the door 12 is pivotally connected to the opening of the control cavity 11. The instant electric water heater module 2 is located at the upper rear of the housing 1, and the insulated buffer water tank 3 is located at the lower rear, with the instant electric water heater module 2 and the insulated buffer water tank 3 arranged vertically. The water pump 4 is located at the front of the housing 1. The operation module 6 is located at the upper front of the housing 1. The water outlet of the instant electric water heater module 2 is connected to the insulated buffer water tank 3, and the insulated buffer water tank 3, the water pump 4, and the water outlet pipe 71 are connected in sequence, with the water outlet pipe extending from one side of the housing 1. The return water pipe 72 is connected to the water inlet of the instant electric water heater module 2 and extends from one side of the housing 1. This layout makes full use of the space in the housing 1 and achieves a compact structure.

[0034] As a further improvement of this utility model: the water outlet of the instant electric water heater module 2 is connected to the top of the heat-insulating buffer water tank 3 through the water outlet guide pipe 21, and the water pump 4 is connected to one end of the heat-insulating buffer water tank 3.

[0035] like Figure 4 As shown, the bottom of the heat-insulating buffer water tank 3 is equipped with a water tank drain valve 31, and the water outlet of the water tank drain valve 31 extends from the bottom of the machine casing through the water tank drain pipe.

[0036] The top of the insulated buffer water tank 3 is equipped with an exhaust valve.

[0037] As a further improvement of this utility model: the water pump 4 is a vertical water pump with high power, which enables large-area heating.

[0038] As a further improvement of this utility model, it also includes a support frame 32 and a fixed base plate 33. The support frame 32 is a frame shape with a downward opening and includes a top horizontal plate, a longitudinal support plate and a fixed foot plate provided at the lower end of the longitudinal support plate.

[0039] The top horizontal plate of the support frame 32 supports and fixes the insulated buffer water tank 3 together, and the fixing foot plate is fixed to the base plate 13 of the casing; the fixing plate 33 is fixed to the rear of the insulated buffer water tank 3 and the rear of the casing 1. With this configuration, the insulated buffer tank 5 is prevented from shaking during handling and transportation, and the connecting pipes to the water pump and the instant electric water heater module 2 are prevented from twisting and deforming due to shaking, which could cause water leakage.

[0040] The housing 1 includes a base plate 13, a top cover plate 14, two front uprights 15, two rear uprights 16, a front plate 17, a rear back plate 18, a left bottom plate 191, a left maintenance plate 192, and a right bottom plate 1A.

[0041] The lower ends of the front column 15 and the rear column 16 are fixed to the front and rear corners of the base plate 13, respectively, and the upper ends extend into the top cover plate 14 and are fixed. The control cavity 11 has an upper part on the right side. The right bottom plate 1A is fixed to the lower part of the control cavity 11 and the base plate 13. The front plate 17 is fixed to the base plate 13, the top cover plate 14 and the front column 15. The operation module 6 is located on the upper part of the front plate 17. The left maintenance plate 192 and the left bottom plate 191 are arranged vertically and are detachably engaged with the left opening formed by the front column 15, the rear column 16, the top cover plate 14 and the base plate 13. The rear back plate 18 is detachably engaged with the rear opening formed by the rear column 16, the top cover plate 14 and the base plate 13. The return water pipe 72 and the outlet water pipe 71 extend from the left bottom plate 191, respectively.

[0042] The base plate 13 is hollow and has a bottom opening, and the top cover plate 14 is hollow and has a bottom opening.

[0043] The front pillar 15 is right-angled and includes a front pillar plate and a front side pillar plate. The front side pillar plate has an inwardly folded right-angled edge, the longitudinal edge of the right-angled edge is connected to the side pillar plate, and the front transverse edge 151 serves as a fixing plate.

[0044] The rear column 16 is right-angled and includes a rear column plate and a rear side column plate. The rear column plate and the rear side column plate are respectively provided with inwardly folded right-angled edges, the longitudinal edge of the right-angled edges is connected to the rear column plate and the rear side column plate, and the rear horizontal edge 161 serves as a fixing plate.

[0045] The base plate is inserted into the lower end of the front and rear columns and fixed with screws or welded. The upper end of the front and rear columns is inserted into the top cover plate 14 and fixed with screws or welded. The lower end of the back plate 18 is inserted into the pin of the base plate 13, and the two sides are respectively attached to the rear horizontal edge 161. The movable pin assembly on the upper part of the back plate 18 cooperates with the rear horizontal edge 161. The right base plate 1A is fixed to the front horizontal edge 151 and the rear horizontal edge 161, and the left base plate 191 is fixed to the front horizontal edge 151 and the rear horizontal edge 161 with screws.

[0046] As a further improvement of this utility model, it also includes an upper frame 81, a lower frame 82, and a support frame 83.

[0047] The support frame 83 is mounted on the lower frame 82. The bottom of the instant electric water heater module 2 is fixed to the support frame 83 and the top is fixed to the upper frame 81. The upper frame 81 and the lower frame 82 are fixed to the front horizontal edge 151 and the rear horizontal edge 162 of the front column 15 and the rear column 16.

[0048] The control cavity 11 has an upper flange, a lower flange, and side flanges on both sides at the opening end. The upper flange and the lower flange are fixed to the upper frame 81 and the lower frame 82, respectively, and the side flanges are fixed to the rear horizontal edge 161 and the front horizontal edge 151, respectively.

[0049] The instant electric water heater module 2 is composed of several instant electric water heaters connected in parallel.

[0050] The instant electric water heater has a filter 9 and an inlet shut-off valve 101 at its inlet end. The inlet end, filter 9, inlet shut-off valve 101, and return pipe 72 are connected in sequence.

[0051] Instantaneous electric water heater water outlet A water outlet shut-off valve 102 is provided, and the water outlet end of the instant electric water heater, the water outlet shut-off valve 102 and the heat preservation buffer water tank 3 are connected in sequence.

[0052] By removing the left maintenance plate 192, the outlet shut-off valve, the inlet shut-off valve, and the cleaning filter can be operated.

[0053] The instant electric water heater is equipped with a drain valve 103 at the rear. The drain valve 103 can be operated by removing the rear panel 18.

[0054] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electric hot water heater, characterized in that: Includes a casing, an instant electric water heater module, an insulated buffer water tank, a water pump, a control module, and an operation module. One side of the casing has a control cavity and a door with an opening; The control module is located inside the control cavity, and the door is pivotally connected to the opening of the control cavity; the instant electric water heater module is located at the upper rear of the casing, the insulated buffer water tank is located at the lower part, and the water pump is located at the front of the casing; the operation module is located at the upper front of the casing; the water outlet of the instant electric water heater module is connected to the insulated buffer water tank, and the insulated buffer water tank, water pump, and water outlet pipe are connected in sequence, with the water outlet pipe extending from one side of the casing; the return water pipe is connected to the water inlet of the instant electric water heater module and extends from one side of the casing.

2. The electric hot water heater according to claim 1, characterized in that: The water outlet of the instant electric water heater module is connected to the top of the insulated buffer water tank through a water outlet pipe, and the water pump is connected to one end of the insulated buffer water tank. The bottom of the insulated buffer water tank is equipped with a drain valve.

3. An electric hot water heater according to claim 1, characterized in that: The water pump is a vertical water pump.

4. An electric hot water heater according to claim 1, characterized in that: It also includes a support frame and a fixed base plate. The support frame supports and fixes the insulated buffer water tank together, and the fixed base plate is fixed to the rear of the insulated buffer water tank and the rear of the machine casing.

5. An electric hot water heater according to claim 1, characterized in that: The housing includes a base plate, a top cover plate, two front uprights, two rear uprights, a front plate, a rear plate, a left bottom plate, a left maintenance plate, and a right bottom plate. The lower ends of the front and rear columns are fixed to the front and rear corners of the base plate, respectively, and the upper ends extend into and are fixed to the top cover plate. The control cavity has an upper part on the right side, and the right bottom plate is fixed to the lower part of the control cavity and the base plate. The front plate is fixed to the base plate, the top cover plate, and the front column. The operation module is located on the upper part of the front plate. The left maintenance plate and the left bottom plate are arranged vertically and detachably cooperate with the left opening formed by the front column, the rear column, the top cover plate, and the base plate. The rear back plate is detachably cooperated with the rear opening formed by the rear column, the top cover plate, and the base plate. The return water pipe and the outlet water pipe extend from the left bottom plate, respectively.

6. An electric hot water heater according to claim 5, characterized in that: It also includes the upper frame, lower frame, and supporting frame. The support frame is located on the lower frame. The bottom of the instant electric water heater module is fixed to the support frame, and the top is fixed to the upper frame. The upper frame and the lower frame are fixed to the front column and the rear column.

7. An electric hot water heater according to claim 5, characterized in that: The instant electric water heater module is composed of several instant electric water heater devices connected in parallel. The instant electric water heater is equipped with a filter and an inlet shut-off valve at the water inlet. The water inlet, filter, inlet shut-off valve, and insulated buffer water tank are connected. The instant electric water heater is equipped with a water outlet shut-off valve at the water outlet end, and the water outlet end, the water outlet shut-off valve and the water outlet pipe are connected in sequence; By removing the left maintenance plate, the outlet shut-off valve, the inlet shut-off valve, and the cleaning filter can be operated.

8. An electric hot water heater according to claim 7, characterized in that: The instant electric water heater is equipped with a drain valve at the rear, which can be operated by removing the rear panel.

9. An electric hot water heater according to claim 7, characterized in that: The top of the insulated buffer water tank is equipped with an air vent valve.

Citation Information

Patent Citations

  • Instant circulating heat supplying system

    CN201779763U