阅读说明：本技术 一种自消毒杀菌的温开水机 (Warm water machine with self-disinfection and sterilization functions ) 是由 佘群 卢德纯 于 2019-10-21 设计创作，主要内容包括：一种自消毒杀菌的温开水机,包括热交换器、加热装置以及混水阀,热交换器上设有相连通的进水端a和出水端b以及相连通的进水端c和出水端d,进水端a与冷水端连接,冷水端与进水端a之间安装有第一水泵,出水端b与进水端c连通,且加热装置安装在出水端b与进水端c之间,混水阀的热水进水端连接在加热装置与进水端c之间,温水进水端与出水端d连通,混合后的温水通过混水阀的出水口排出,出水端d与出水口之间安装有三通阀,三通阀的进水端e与出水端d连通,三通阀的一出水端f与出水口连通,另一出水端g连接在冷水端与进水端a之间,通过循环温开水机管道内的水流进加热装置进行加热升温,对管道内的细菌进行杀灭或者减低其活性。(A warm water machine capable of self-disinfection and sterilization comprises a heat exchanger, a heating device and a water mixing valve, wherein the heat exchanger is provided with a water inlet end a and a water outlet end b which are communicated with each other, and a water inlet end c and a water outlet end d which are communicated with each other, the water inlet end a is connected with a cold water end, a first water pump is arranged between the cold water end and the water inlet end a, the water outlet end b is communicated with the water inlet end c, the heating device is arranged between the water outlet end b and the water inlet end c, the hot water inlet end of the water mixing valve is connected between the heating device and the water inlet end c, the warm water inlet end is communicated with the water outlet end d, the mixed warm water is discharged through the water outlet of the water mixing valve, a three-way valve is arranged between the water outlet end d and the water outlet, the water inlet end e of the three-way valve is communicated with the water outlet end d, one water outlet end f of the three-way valve, to kill or reduce the activity of bacteria in the pipeline.)

1. The utility model provides a warm water dispensers from disinfection and sterilization, including heat exchanger (1), heating device (2) and muddy water valve (3), be equipped with the end a and the play water end b of intaking that are linked together and the end c and play water end d of intaking that are linked together on heat exchanger (1), it is connected with cold water end (4) to intake end a, install first water pump (5) between cold water end (4) and the end a of intaking, go out water end b and end c intercommunication of intaking, and heating device (2) install between end b and the end c of intaking, the hot water of muddy water valve (3) is intake end (301) and is connected between heating device (2) and the end c of intaking, the warm water is intake end (302) and is gone out water end d intercommunication, the warm water after the mixture is discharged through delivery port (8) of muddy water valve (3), its characterized in that: a three-way valve (6) is arranged between the water outlet end d and the water outlet, the water inlet end e of the three-way valve (6) is communicated with the water outlet end d, one water outlet end f of the three-way valve (6) is communicated with the water outlet, and the other water outlet end g is connected between the cold water end (4) and the water inlet end a.

2. The warm water machine of claim 1, characterized in that: the three-way valve (6) is arranged between the water outlet end d and the warm water inlet end (302), the water inlet end e of the three-way valve (6) is communicated with the water outlet end d, one water outlet end f of the three-way valve (6) is communicated with the warm water inlet end (302), and the other water outlet end g is connected between the cold water end (4) and the first water pump (5) through the return pipe (7).

3. The warm water machine of claim 1, characterized in that: the water mixing valve (3) is provided with a water outlet end (303) of the water mixing valve communicated with the water outlet (8), the three-way valve (3) is installed between the water outlet end (303) of the water mixing valve and the water outlet (8), a water inlet end e of the three-way valve (3) is communicated with the water outlet end (303) of the water mixing valve, one water outlet end f of the three-way valve (3) is communicated with the water outlet (8), and the other water outlet end g is connected between the cold water end (4) and the first water pump (5) through a return pipe (7).

4. The warm water boiler of one of claims 1 to 3, characterized in that: a drain pipe (9) is connected between the water outlet end b and the heating device (2), and a second water pump (10) and a second electromagnetic valve (11) are sequentially installed on the drain pipe (9).

5. The warm water boiler of one of claims 1 to 3, characterized in that: and a first electromagnetic valve (12) is arranged between the first water pump (5) and the cold water end (4).

6. The warm water boiler of one of claims 1 to 3, characterized in that: the other water outlet end g of the three-way valve (3) is connected between the first water pump (5) and the water inlet end a through a return pipe (7), and a third water pump (13) is installed on the return pipe (7).

7. The warm water boiler of any one of claim 5, characterized in that: the cold water end (4) is connected with a water storage tank (14).

8. The warm water boiler of one of claims 1 to 3, characterized in that: and a temperature detection device (15) is arranged on the water outlet end b.

9. The warm water machine of claim 1, characterized in that: the heating water inlet end (201) of the heating device (2) is connected with the water outlet end b, and the heating water outlet end (202) is connected with the water inlet end c.

Technical Field

The invention relates to the field of warm water boilers, in particular to a warm water boiler capable of self-sterilizing and disinfecting.

Background

The traditional warm water machine has the principle that one path of nearly boiling water is mixed with one path of unheated cold water to enable the water temperature to reach the set temperature of the warm water machine, but the cold water is not heated, so that residual bacteria can possibly exist in the part of drinking water, and the health of a user can be influenced.

Therefore, the structure of the existing warm water machine includes a water tank, a heating device, a heat exchanger, a water pump and a water mixing valve, wherein a connection structure is shown in fig. 1, which is not described in detail, wherein a first water channel between a water inlet end a and a water outlet end d in the heat exchanger is in heat transfer contact with a second water channel between the water inlet end c and the water outlet end d, when in use, cold water in the water tank flows into the heating device through the first water channel by the water pump and is heated to be close to boiling hot water (such as 98 ℃), after the hot water flows out, a part of the hot water flows into the water mixing valve, after the other part of the hot water flows into the second water channel in the heat exchanger through the water inlet end c, most of the hot water in the second water channel exchanges heat with the cold water in the first water channel, so that the hot water flowing into the heating device in the first water channel is higher temperature (such as 45 ℃), the water flowing into the heating device is preheated, and the water flowing out, the low-temperature water flows into the water mixing valve and is mixed with the hot water in the water mixing valve, and the warm water reaching the set temperature is discharged through a water outlet of the water mixing valve;

however, when the warm water machine with the structure is idle for a long time, water in the pipeline (including the first water channel and the second water channel in the heat exchanger) of the warm water machine is in a static state, bacteria are easily bred in the pipeline due to warm and humid water, and when the warm water machine is used next time, low-temperature water with the bacteria is discharged by a user for drinking, so that the sanitary problem of drinking water is caused.

Disclosure of Invention

The invention aims to solve the existing problems and provides a self-disinfecting and sterilizing warm water machine which is simple and reasonable in structure and has the function of disinfecting and sterilizing water in a pipeline of the warm water machine by heating the water in the pipeline and raising the temperature.

The utility model provides a warm water machine from disinfection and sterilization, including heat exchanger, heating device and muddy water valve, be equipped with the end a of intaking that is linked together and go out water end b and the end c of intaking that is linked together and go out water end d on the heat exchanger, it is connected with cold water end to intake end a, install first water pump between cold water end and the end a of intaking, go out water end b and intake end c intercommunication, and heating device installs and go out water end b and intake between the end c, muddy water valve's hot water is intake and is held the connection between heating device and intake and hold c, the warm water is intake and is held with play water end d intercommunication, the warm water after the mixture is discharged through the delivery port that mixes water valve, its characterized in that: the water-saving warm water boiler is characterized in that a three-way valve is arranged between the water outlet end d and the water outlet, the water inlet end e of the three-way valve is communicated with the water outlet end d, one water outlet end f of the three-way valve is communicated with the water outlet, the other water outlet end g of the three-way valve is connected between the cold water end and the water inlet end a, when the warm water boiler is idle for a long time and is not used, the warm water is heated and warmed by a water flow heating device in the pipeline of the circulating warm water boiler, and bacteria in the pipeline are killed or the.

The invention can also be solved by adopting the following technical measures:

further, the three-way valve is installed between the water outlet end d and the warm water inlet end, the water inlet end e of the three-way valve is communicated with the water outlet end d, one water outlet end f of the three-way valve is communicated with the warm water inlet end, and the other water outlet end g of the three-way valve is connected between the cold water end and the first water pump through a return pipe.

When the structure is used for disinfection and sterilization, the cold water end stops supplying cold water, the water mixing valve stops draining water, the three-way valve disconnects the water inlet end e from the water outlet end f and then communicates the water inlet end e with the water outlet end g, then the first water pump works to enable water which does not flow in the warm water machine for a period of time to sequentially flow through the first water pump, the water inlet end a, the water outlet end b, the heating device, the water inlet end c, the water outlet end d, the water inlet end e and the water outlet end g to flow back to the first water pump again, when the water flows sequentially, the heating device heats the circularly flowing water to about 60-82 ℃ (the temperature required by pasteurization), and finally the circularly flowing water is circulated for a set time, so that the purpose of killing of pathogenic bacteria and most nonpathogenic bacteria in pipelines and heat exchangers is.

Further, a water outlet end of the water mixing valve communicated with the water outlet is arranged on the water mixing valve, the three-way valve is arranged between the water outlet end of the water mixing valve and the water outlet, a water inlet end e of the three-way valve is communicated with the water outlet end of the water mixing valve, a water outlet end f of the three-way valve is communicated with the water outlet, and the other water outlet end g of the three-way valve is connected between the cold water end and the first water pump through a.

The difference between the structure and the structure during disinfection and sterilization is that the cold water end stops supplying cold water, the water mixing valve stops draining water, the three-way valve is disconnected from the water inlet end e and the water outlet end f and is communicated with the water inlet end e and the water outlet end g, then the first water pump works to enable water which does not flow in the warm water machine for a period of time to sequentially flow through the first water pump, the water inlet end a, the water outlet end b, the heating device, the water inlet end c, the water outlet end d, the warm water inlet end, the water outlet end of the water mixing valve, the water inlet end e and the water outlet end g in a circulating mode and.

Further, a water discharge pipe is connected between the water outlet end b and the heating device, a second water pump and a second electromagnetic valve are sequentially installed on the water discharge pipe, after the water in the warm water boiler pipeline is heated, disinfected and sterilized in a circulating mode, the water discharge pipe is opened through the second electromagnetic valve, and the water in the water discharge pipe is discharged through the second water pump, so that fresh water is replenished from the cold water end, and the safety of drinking water is guaranteed.

Further, a first electromagnetic valve is installed between the first water pump and the cold water end, and in order to prevent the first water pump from supplementing new water at the cold water end into the circulating water path, the water in the pipeline of the warm water boiler is circularly heated, and when disinfection and sterilization are performed, the first electromagnetic valve is controlled to be closed, water supply at the cold water end is stopped until disinfection and sterilization are completed, and then the first electromagnetic valve is opened to supplement the new water.

Further explaining, the other water outlet end g of the three-way valve is connected between the first water pump and the water inlet end a through a return pipe, and a third water pump is installed on the return pipe; this structure can adopt the third water pump to promote the heating of the hydrologic cycle flow in warm water dispensers pipeline when the water supply of cold water end does not adopt the control that opens and shuts of first solenoid valve for replace first water pump to carry out work, and first water pump stop work this moment, can stop the water supply of cold water end promptly.

Further, the cold water end is connected with a water storage tank, so that the warm water machine can be flexibly placed through the water storage tank, and the warm water machine does not need to be externally connected with a water pipe and is installed at a position close to a water source.

Further, the water outlet end b is provided with a temperature detection device, when the warm water machine detects that the warm water machine does not operate for a long time through self-checking, the warm water machine drives water in the pipeline of the warm water machine to circularly flow and heat, and when the water in the pipeline detects the set disinfection and sterilization temperature through the temperature detection device, the heating device is triggered to stop heating.

Further, the heating water inlet end of the heating device is connected with the water outlet end b, and the heating water outlet end is connected with the water inlet end c.

The invention has the following beneficial effects:

according to the warm water machine capable of self-sterilizing and sterilizing, when the warm water machine is idle for a long time and is not used, water in the pipeline of the circulating warm water machine enters the heating device to be heated, and the temperature is raised through relatively high-temperature water. The method can kill pathogenic bacteria and most non-pathogenic bacteria in pipelines and heat exchangers or reduce the activity of the pathogenic bacteria and the non-pathogenic bacteria.

Drawings

Fig. 1 is a schematic structural diagram of the prior art of the present invention.

Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a fourth embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a fifth embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a sixth embodiment of the present invention.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

In a first embodiment, as shown in fig. 2, a self-disinfecting and sterilizing warm water boiling machine comprises a heat exchanger 1, a heating device 2 and a water mixing valve 3, wherein the heat exchanger 1 is provided with a water inlet end a and a water outlet end b which are communicated with each other, and a water inlet end c and a water outlet end d which are communicated with each other, the water inlet end a is connected with a cold water end 4, a first water pump 5 is arranged between the cold water end 4 and the water inlet end a, the water outlet end b is communicated with the water inlet end c, the heating device 2 is arranged between the water outlet end b and the water inlet end c, a hot water inlet end 301 of the water mixing valve 3 is connected between the heating device 2 and the water inlet end c, a warm water inlet end 302 is communicated with the water outlet end d, mixed warm water is discharged through a water outlet 8 of the water mixing valve 3, a three-way valve 6 is arranged between the water outlet end d and the water outlet, a water inlet, the other water outlet end g is connected between the cold water end 4 and the water inlet end a; when the warm water machine is idle for a long time and is not used, water in the pipeline of the circulating warm water machine enters the heating device 2 to be heated, and bacteria in the pipeline are killed or the activity of the water is reduced by the relatively high-temperature water.

Second embodiment: as shown in fig. 3, the three-way valve 6 is installed between the water outlet end d and the warm water inlet end 302, the water inlet end e of the three-way valve 6 is communicated with the water outlet end d, one water outlet end f of the three-way valve 6 is communicated with the warm water inlet end 302, and the other water outlet end g is connected between the cold water end 4 and the first water pump 5 through the return pipe 7.

When the structure is used for disinfection and sterilization, the cold water end 4 stops supplying cold water, the water mixing valve 3 stops draining water, the three-way valve 6 is disconnected from the water inlet end e and the water outlet end f and is communicated with the water inlet end e and the water outlet end g, then the first water pump 5 works to enable water which does not flow in the warm water machine for a period of time to sequentially circulate through the first water pump 5, the water inlet end a, the water outlet end b, the heating device 2, the water inlet end c, the water outlet end d, the water inlet end e and the water outlet end g to flow back to the first water pump 5 again, when the water flows sequentially, the heating device 2 heats the circularly flowing water to about 60-82 ℃ (the temperature required by pasteurization), and finally the circularly flows for a set time to kill pathogenic bacteria and most nonpathogenic bacteria in the pipeline and the heat exchanger 1.

Third embodiment: as shown in fig. 4, the water mixing valve 3 is provided with a water outlet end 303 of the water mixing valve communicated with the water outlet 8, the three-way valve 6 is installed between the water outlet end 303 of the water mixing valve and the water outlet 8, a water inlet end e of the three-way valve 6 is communicated with the water outlet end 303 of the water mixing valve, one water outlet end f of the three-way valve 6 is communicated with the water outlet 8, and the other water outlet end g is connected between the cold water end 4 and the first water pump 5 through the return pipe 7.

The difference between the disinfection and sterilization of the structure and the second embodiment is that the cold water end 4 stops supplying cold water, the water mixing valve 3 stops draining water, the three-way valve 6 disconnects the water inlet end e from the water outlet end f and connects the water inlet end e with the water outlet end g, and then the first water pump 5 operates to circulate water that does not flow in the warm water machine for a period of time through the first water pump 5, the water inlet end a, the water outlet end b, the heating device 2, the water inlet end c, the water outlet end d, the warm water inlet end 302, the water outlet end 303 of the water mixing valve, the water inlet end e and the water outlet end g to flow back to the first water pump 5 again.

Fourth embodiment: as shown in fig. 5, in the fourth embodiment, on the basis of the first to third embodiments, a drain pipe 9 is connected between the water outlet end b and the heating device 2, and a second water pump 10 and a second electromagnetic valve 11 are sequentially installed on the drain pipe 9; after the water circulation heating disinfection and sterilization in the warm water machine pipeline, the drain pipe 9 is opened through the second electromagnetic valve 11, the water of the part is drained through the second water pump 10, so that the fresh water is replenished from the cold water end 4, and the drinking water safety is ensured.

Fifth embodiment: as shown in fig. 6, the fifth embodiment is based on the first to third embodiments, and a first electromagnetic valve 12 is installed between the first water pump 5 and the cold water end 4; in order to prevent the first water pump 5 from supplementing the new water at the cold water end 4 into the circulating water path, the water in the warm water boiler pipeline is circularly heated, and when disinfection and sterilization are performed, the first electromagnetic valve 12 is controlled to be closed, the water supply at the cold water end 4 is stopped until the disinfection and sterilization are completed, and then the first electromagnetic valve 12 is opened to supplement the new water.

Sixth embodiment: as shown in fig. 7, in the sixth embodiment, based on the first to third embodiments, the other water outlet end g of the three-way valve 3 is connected between the first water pump 5 and the water inlet end a through the return pipe 7, and the third water pump 13 is installed on the return pipe 7; this structure can adopt third water pump 13 to promote the heating of the water circulation flow in warm water machine pipeline when the water supply of cold water end 4 does not adopt the opening and shutting control of first solenoid valve 12 for replace first water pump 5 and carry out work, and first water pump 5 stop work this moment, can stop the water supply of cold water end 4 promptly.

The cold water end 4 is connected with a water storage tank 14 (marked in figures 2 to 7); the warm water machine can be flexibly arranged through the water storage tank 14 without being externally connected with a water pipe and being arranged at a position close to a water source.

As shown in fig. 7, a temperature detection device 15 is mounted on the water outlet end b; when the warm water machine detects that the warm water machine does not operate for a long time through self-checking, the water in the pipeline of the warm water machine is driven to circularly flow and heat, and when the water in the pipeline detects the set disinfection and sterilization temperature through the temperature detection device 15, the heating device 2 is triggered to stop heating.

The heating water inlet end 201 of the heating device 2 is connected with the water outlet end b, the heating water outlet end 202 is connected with the water inlet end c, warm water of the heat exchanger is discharged from the water outlet end b, is heated to be close to a boiling state through the heating device 2, flows into the water inlet end c, is subjected to heat exchange, or directly flows into the water mixing valve to be directly discharged for drinking or is discharged after being mixed and cooled.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.