An integrated waterway system

Abstract

The present invention discloses an integrated water circuit system, including a heat exchanger assembly, a first valve body and a second valve body, the heat exchanger assembly has a first heat exchange flow channel and a second heat exchange flow channel inside, the first valve body is formed by welding at least two layers of sheet metal, the first valve body is provided with a first water inlet, a first water outlet and a second water outlet, the first valve body is provided with a water circuit gating assembly, through which the gating between the first water inlet and the first water outlet or the inlet of the first heat exchange flow channel can be controlled; the second valve body is formed by welding at least two layers of sheet metal, the second valve body is provided with a first water return port and a second water inlet, the first water return port is connected to the outlet of the first heat exchange channel; the second water inlet is connected to the inlet of the second heat exchange channel, and the outlet of the second heat exchange channel is connected to the second water outlet. The present invention can meet the supply of two different temperature media, and has the characteristics of simple structure, convenient manufacturing and low production cost.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchange heating, and in particular to an integrated waterway system. Background Art

[0002] A wall-mounted boiler is a water heater that uses natural gas as energy. It has a variety of safety protection measures, including anti-freeze protection, anti-dry burning protection, accidental flameout protection, over-temperature protection, and water pump anti-stuck protection. Wall-mounted boilers have powerful home central heating functions, so they are widely used.

[0003] In the decades since the birth of wall-mounted boilers and their entry into the commodity era, various wall-mounted boilers with various structural performances have emerged in the HVAC product markets of various countries, including China. Among them, according to the purpose, the existing wall-mounted boilers can be divided into single-function and heating and bathing dual-purpose types. Because the functions of heating and bathing dual-purpose wall-mounted boilers are relatively comprehensive, they are also widely used. The existing heating and bathing dual-purpose integrated water system generally includes a heat exchanger, a first valve body and a second valve body. The first valve body and the second valve body are connected by a heat exchanger. However, the existing first valve body and the second valve body are mostly made of metal copper or plastic through special equipment for fine processing. The price of its special processing equipment is relatively high, which greatly increases the production cost of the first valve body and the second valve body, making it difficult to meet the needs of small and medium-sized enterprises, greatly restricting development, and there is room for improvement. Summary of the invention

[0004] The present invention aims to overcome the above-mentioned defects in the prior art and provide an integrated water system which can meet the supply of medium water at different temperatures and has the characteristics of simple structure, convenient manufacturing and low production cost.

[0005] To achieve the above-mentioned object, the present invention provides an integrated water circuit system, comprising a heat exchanger assembly, a first valve body and a second valve body, wherein the first valve body and the second valve body are connected via the heat exchanger assembly, the heat exchanger assembly has a first heat exchange flow channel and a second heat exchange flow channel inside, the first valve body is formed by welding at least two layers of sheet metal, a first water inlet, a first water outlet and a second water outlet are arranged on the first valve body, a water circuit gating assembly is arranged in the first valve body, and the gating between the first water inlet and the first water outlet or the inlet of the first heat exchange flow channel can be controlled by the water circuit gating assembly;

[0006] The second valve body is formed by welding at least two layers of sheet metal, and the second valve body is provided with a first water return port and a second water inlet, and the first water return port is connected to the outlet of the first heat exchange channel;

[0007] The second water inlet is connected to the inlet of the second heat exchange channel, and the outlet of the second heat exchange channel is connected to the second water outlet.

[0008] It is further configured as follows: the water channel selection component includes a three-way valve, the inlet of the three-way valve is connected to the first water inlet, and the other two outlets are respectively connected to the first water outlet and the inlet of the first heat exchange channel.

[0009] It is further configured that: the water channel selection component also includes a main flow channel formed in the first valve body, and the main flow channel includes a first flow channel section and a second flow channel section that are connected;

[0010] The first valve body comprises a first upper sheet metal and a first lower sheet metal, a first lower convex bump protruding downward is formed at a predetermined position of the first lower sheet metal, and the first lower convex bump cooperates with the plate surface of the first upper sheet metal to form a first flow channel section;

[0011] A first upper convex bump that bulges upward is formed at a predetermined position of the first upper sheet metal, the first upper convex bump cooperates with the plate surface of the first lower sheet metal to form a second flow channel section, and the first upper convex bump partially overlaps with the first lower convex bump;

[0012] The three-way valve is arranged at the overlapping position of the first upper convex bump and the first lower convex bump.

[0013] It is further configured as follows: the water channel selection component also includes an auxiliary flow channel located in the first valve body, the auxiliary flow channel connects the first water inlet and the inlet of the first heat exchange flow channel, and a bypass valve is arranged in the auxiliary flow channel.

[0014] It is further configured that: a return water channel is formed between the second valve body corresponding to the first return water port and the outlet of the first heat exchange channel, a replenishment channel is provided between the second valve body corresponding to the second water inlet and the return water channel, and a replenishment valve is provided on the replenishment channel, and the replenishment channel includes a first replenishment section and a second replenishment section that are connected;

[0015] The second valve body comprises a second upper sheet metal and a second lower sheet metal, a second upper convex bump is provided at a predetermined position of the second upper sheet metal, and the second upper convex bump cooperates with the plate surface of the second lower sheet metal to form a first water replenishment section;

[0016] A second lower convex bump that bulges downward is provided at a predetermined position of the second lower sheet metal, and the second lower convex bump cooperates with the plate surface of the second upper sheet metal to form a second water replenishment section;

[0017] The second upper convex bump is partially overlapped with the second lower convex bump, and the water replenishment valve is arranged at the overlapping position of the second upper convex bump and the second lower convex bump.

[0018] It is further configured that: a pressure relief valve is provided on the flow channel between the first water return port and the outlet of the first heat exchange channel corresponding to the second valve body.

[0019] Compared with the prior art, the present invention has a simple structure and can meet the supply of two medium waters with different temperatures. At the same time, the first valve body and the second valve body are formed by welding at least two sheet metal parts. A convex bump is punched on the sheet metal part to cooperate with the structure to form a flow channel for water supply flow in the valve body. The structure is simple and easy to manufacture, avoiding the trouble of purchasing special processing equipment. It is suitable for the production of small and medium-sized enterprises and greatly reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of an integrated waterway system of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of the waterway system in another direction;

[0022] Figure 3 is a schematic diagram of the separation structure of the first valve body;

[0023] Figure 4 Schematic diagram of the separation structure of the second valve body.

[0024] The following reference numerals are marked on the drawings in conjunction with the drawings:

[0025] 1. Heat exchanger assembly; 2. First valve body; 21. First lower sheet metal layer; 211. First lower convex bump; 22. First upper sheet metal layer; 221. First upper convex bump; 23. Main flow channel; 24. Auxiliary flow channel; 25. First water inlet; 26. First water outlet; 27. Second water outlet; 3. Second valve body; 31. First water return port; 32. Second water inlet; 33. Water return flow channel; 34. Water replenishment flow channel; 35. Second upper sheet metal layer; 351. Second upper convex bump; 36. Second lower sheet metal layer; 361. Second lower convex bump; 4. Three-way valve; 5. Bypass valve; 6. Water replenishment valve; 7. Pressure relief valve. DETAILED DESCRIPTION

[0026] A specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific implementation.

[0027] The present invention provides an integrated waterway system such as Figure 1 and Figure 2As shown, it includes a heat exchanger component 1, a first valve body 2 and a second valve body 3, the first valve body 2 and the second valve body 3 are connected by water through the heat exchanger component 1, and the heat exchanger component 1 has a first heat exchange channel and a second heat exchange channel inside; the first valve body 2 and the second valve body 3 are formed by welding at least two layers of sheet metal, the first valve body 2 is provided with a first water inlet 25, a first water outlet 26 and a second water outlet 27, and the first valve body 2 is provided with a water channel selection component, through which the selection between the first water inlet 25 and the first water outlet 26 or the inlet of the first heat exchange channel can be controlled; the second valve body 3 is provided with a first water return port 31 and a second water inlet 32, the first water return port 31 is connected to the outlet of the first heat exchange channel, the second water inlet 32 ​​is connected to the inlet of the second heat exchange channel, and the outlet of the second heat exchange channel is connected to the second water outlet 27.

[0028] In the above scheme, the inlet end of the first water inlet 25 can be connected to the water outlet of the wall-mounted boiler (or the water outlet of other water supply devices), and the outlet end of the first water return port 31 is connected to the water return port of the wall-mounted boiler (or the water return port of other water supply devices); the high-temperature water generated by the wall-mounted boiler (other water supply devices) enters the first valve body 2 through the first water inlet 25, and the water path selection component can make the water path of the first water inlet 25 directly connected to the first water outlet 26, so that the heating water (high-temperature water) generated by the wall-mounted boiler can be directly discharged from the first water outlet 26 for use; at the same time, the water path selection component can also make the first water inlet 25 and the heat exchanger assembly 1 The inlet of the first heat exchange flow channel is connected, so that the heating water (high temperature water) generated by the wall-mounted boiler can enter the first heat exchange flow channel of the heat exchanger for heat exchange, and then enter the second valve body 3 and flow back into the wall-mounted boiler through the first return water port 31; when bathroom water (suitable temperature water) is needed, normal temperature water flows into the second valve body 3 through the second water inlet 32 ​​and flows into the heat exchanger assembly 1 through the inlet of the second heat exchange flow channel. The normal temperature water in the second heat exchange flow channel in the heat exchanger assembly 1 is heated by heat exchange with the heating water in the first heat exchange flow channel, so as to reach a temperature suitable for washing, thereby meeting the supply and use of heating water (high temperature water) and bathroom water (suitable temperature water).

[0029] like Figure 3 As shown, the water path selection component includes a three-way valve 4, the inlet of the three-way valve 4 is connected to the first water inlet 25, and the two outlets of the three-way valve 4 are respectively connected to the first water outlet 26 and the inlet of the first heat exchange channel. The three-way valve 4 can control the selection of the first water inlet 25 and the first water outlet 26 or the inlet of the first heat exchange channel.

[0030] In the above scheme, the water channel selection component also includes a main flow channel 23 formed in the first valve body 2, and the main flow channel 23 includes a first flow channel section and a second flow channel section that are connected to each other. The first flow channel section connects the first water inlet 25 and the first water outlet 26, and the second flow channel section connects the first water inlet 25 and the inlet of the first heat exchange flow channel; the first valve body 2 includes a first lower sheet metal 21 and a first upper sheet metal 22, and a first lower convex bulge 211 structure that bulges downward is formed at a predetermined position of the first lower sheet metal 21, and a first upper convex bulge 221 structure that bulges upward is formed at a predetermined position of the first upper sheet metal 22, and the first lower sheet metal 21 and the first upper sheet metal cooperate to form the main flow channel 23 therein, and the first lower convex bulge 211 structure cooperates with the plate surface of the first upper sheet metal 22 to form a The first flow channel section is formed by the first upper bulge 221 structure cooperating with the plate surface of the first lower sheet metal 21 to form the second flow channel section, wherein the first lower bulge 211 structure partially overlaps with the first upper bulge 221 structure to realize the docking connection between the first flow channel section and the second flow channel section, and preferably the starting end of the first upper bulge 221 is connected to the end of the first lower bulge 211; the first water outlet 26 is arranged on the first lower bulge 211 of the first lower sheet metal 21 and corresponds to the overlapping part of the first lower bulge 211 and the first upper bulge 221, and the three-way valve 4 is arranged in the main channel 23 and corresponds to the overlapping part of the first upper bulge 221 and the first lower bulge 211. Since the first flow channel section and the second flow channel section are located on different planes, the three-way valve 4 can be used to conveniently control the switching of the flow.

[0031] Preferably, the water path selection component includes an auxiliary flow channel 24 formed in the first valve body 2, the auxiliary flow channel 24 connects the first water inlet 25 and the inlet of the first heat exchange flow channel, and a bypass valve 5 is arranged in the auxiliary flow channel 24. The bypass valve 5 can effectively protect the first valve body 2 to avoid excessive pressure in the first valve body 2.

[0032] like Figure 2 As shown, a return water channel 33 is formed between the first return water port 31 of the second valve body 3 and the outlet of the first heat exchange channel, a replenishing water channel 34 is arranged between the second water inlet 32 ​​of the second valve body 3 and the return water channel 33, a replenishing water valve 6 is arranged on the replenishing water channel 34, and a pressure relief valve 7 is arranged on the return water channel 33.

[0033] like Figure 4The water replenishment channel 34 includes a first water replenishment section and a second water replenishment section that are connected to each other. The first water replenishment section is connected to the return water channel 33 and the inlet of the water replenishment valve 6, and the second water replenishment section is connected to the outlet of the water replenishment valve 6 and the second water inlet; the second valve body 3 includes a second upper sheet metal 35 and a second lower sheet metal 36, and the second upper sheet metal 35 and the second lower sheet metal 36 cooperate to form the water replenishment channel 34 therebetween; a second upper convex bulge 351 structure that bulges upward is provided at a predetermined position of the second upper sheet metal 35, and the second upper convex bulge 351 structure is connected to the plate of the second lower sheet metal 36 The surfaces cooperate to form a first water replenishment section; a second lower convex bump 361 structure that bulges downward is arranged at a predetermined position of the second lower sheet metal 36, which cooperates with the plate surface of the second upper sheet metal 35 to form a second water replenishment section; wherein the second upper convex bump 351 structure partially overlaps with the second lower convex bump 361 structure to realize the connection between the first water replenishment section and the second water replenishment section, and the water replenishment valve 6 is arranged at the overlapping part of the second upper convex bump 351 structure and the second lower convex bump 361 structure. By having the first water replenishment section and the second water replenishment section be on different horizontal planes, the water replenishment valve 6 controls the on and off of the water replenishment channel 34.

[0034] In the above scheme, the water path selection component can also be two flow channels formed in the first valve body 2, and the two flow channels respectively connect the first water inlet 25 and the first water outlet 26, and the first water inlet 25 and the inlet of the first heat exchange flow channel, and control valves are respectively provided in the two flow channels. The opening and closing of the two control valves are controlled to realize the selection of the first water inlet 25 and the first water outlet 26 or the inlet of the first heat exchange flow channel.

[0035] Compared with the prior art, the present invention has a simple structure and can meet the supply of two medium waters with different temperatures. At the same time, the first valve body and the second valve body are formed by welding at least two sheet metal parts. A convex bump is punched on the sheet metal part to cooperate with the structure to form a flow channel for water supply flow in the valve body. The structure is simple and easy to manufacture, avoiding the trouble of purchasing special processing equipment. It is suitable for the production of small and medium-sized enterprises and greatly reduces the production cost.

[0036] The above disclosure is only an embodiment of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An integrated water system, comprising a heat exchanger assembly, a first valve body and a second valve body, wherein the first valve body and the second valve body are connected via the heat exchanger assembly, and the heat exchanger assembly has a first heat exchange channel and a second heat exchange channel inside, characterized in that: The first valve body is formed by welding at least two layers of sheet metal, the first valve body is provided with a first water inlet, a first water outlet, and a second water outlet, and the first valve body is provided with a water channel gating component, through which the gating between the first water inlet and the first water outlet or the inlet of the first heat exchange channel can be controlled; The second valve body is formed by welding at least two layers of sheet metal, and the second valve body is provided with a first water return port and a second water inlet, and the first water return port is connected to the outlet of the first heat exchange channel; The second water inlet is connected to the inlet of the second heat exchange channel, and the outlet of the second heat exchange channel is connected to the second water outlet; The water channel selection component includes a three-way valve, the inlet of the three-way valve is connected to the first water inlet, and the other two outlets are connected to the first water outlet and the inlet of the first heat exchange flow channel respectively; The waterway selection assembly further includes a main flow channel formed in the first valve body, the main flow channel including a first flow channel section and a second flow channel section that are connected; The first valve body comprises a first upper sheet metal and a first lower sheet metal, a first lower convex bump protruding downward is formed at a predetermined position of the first lower sheet metal, and the first lower convex bump cooperates with the plate surface of the first upper sheet metal to form a first flow channel section; A first upper convex bump that bulges upward is formed at a predetermined position of the first upper sheet metal, the first upper convex bump cooperates with the plate surface of the first lower sheet metal to form a second flow channel section, and the first upper convex bump partially overlaps with the first lower convex bump; The three-way valve is arranged at the overlapping position of the first upper convex bump and the first lower convex bump.

2. An integrated waterway system according to claim 1, characterized in that: The water channel selection component also includes an auxiliary flow channel located in the first valve body, the auxiliary flow channel is connected to the first water inlet and the inlet of the first heat exchange flow channel, and a bypass valve is arranged in the auxiliary flow channel.

3. The integrated waterway system according to claim 1, characterized in that: A return water channel is formed between the first return water port and the outlet of the first heat exchange channel corresponding to the second valve body, a replenishment water channel is arranged between the second water inlet corresponding to the second valve body and the return water channel, and a replenishment water valve is arranged on the replenishment water channel, and the replenishment water channel includes a first replenishment water section and a second replenishment water section that are connected; The second valve body comprises a second upper sheet metal and a second lower sheet metal, a second upper convex bump is provided at a predetermined position of the second upper sheet metal, and the second upper convex bump cooperates with the plate surface of the second lower sheet metal to form a first water replenishment section; A second lower convex bump that bulges downward is provided at a predetermined position of the second lower sheet metal, and the second lower convex bump cooperates with the plate surface of the second upper sheet metal to form a second water replenishment section; The second upper convex bump partially overlaps with the second lower convex bump, and the water replenishment valve is arranged at the overlapping position of the second upper convex bump and the second lower convex bump.

4. The integrated waterway system according to claim 1, characterized in that: A pressure relief valve is provided on the flow passage between the first water return port and the outlet of the first heat exchange channel of the second valve body.

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