CN204438490U - Gas heater and the combustion electricity complementary hot-water system with it - Google Patents

Abstract

The utility model discloses a kind of gas heater complementary hot-water system electric with the combustion with it, described gas heater comprises: casing, described casing is provided with the hot water inlet of combustion and combustion hot water outlet, is provided with the water inlet main road that is communicated with the hot water inlet of described combustion respectively and branch road and the heating water route that is communicated with described combustion hot water outlet with described water inlet main road, described water inlet branch road respectively of intaking in described casing; Water circulating pump, described water circulating pump is located on described water inlet main road; Main road check valve, described main road check valve to be located on described water inlet main road and only to allow the water of the hot water inlet of described combustion to flow to described heating water route by described water inlet main road; Branch road check valve, described branch road check valve to be located on described water inlet branch road and only to allow the water of the hot water inlet of described combustion to flow to described heating water route by described water inlet branch road.Can realize the keying of zero circulating chilled water function according to gas heater of the present utility model, and cost is low, security is high.

Description

Gas water heater and its gas-electric complementary hot water system

technical field

The utility model relates to the technical field of electric appliance manufacturing, in particular to a gas water heater and a fuel-electricity complementary hot water system provided with the gas water heater.

Background technique

The gas water heater in the related art can realize the opening and closing of the zero cold water circulation function by adding a circulating water pump and an electric three-way valve for switching the water circuit inside. However, due to the high cost of the circulating water pump and the electric three-way valve, the cost of the zero-cold water gas water heater is relatively high, and the electric three-way valve has potential safety hazards of electric leakage.

Utility model content

The utility model aims to solve one of the above-mentioned technical problems in the related art at least to a certain extent. For this reason, the utility model proposes a gas water heater, which can realize the opening and closing of the zero cold water circulation function, and has low cost and high safety.

The utility model also proposes a fuel-electricity complementary hot water system with the gas water heater.

In order to achieve the above purpose, according to the first aspect of the utility model, a gas water heater is proposed. The gas water heater includes: a box body, which is provided with a combustion heat water inlet and a combustion heat water outlet. A main water inlet road and a water inlet branch respectively communicated with the heating water inlet and a heating water passage respectively connected with the main water inlet, the water inlet branch and the heating water outlet are provided; the circulation A water pump, the circulating water pump is arranged on the main water inlet road; a main road check valve, the main road one-way valve is arranged on the main water inlet road and only allows the water at the heating water inlet to pass through the The water inlet main path flows to the heating water path; a branch check valve, the branch one-way valve is set on the water inlet branch road and only allows the water at the heating water inlet to pass through the water inlet branch The path flows to the heating water path.

The gas water heater according to the utility model can realize the opening and closing of the zero cold water circulation function, and has low cost and high safety.

In addition, the gas water heater according to the utility model can also have the following additional technical features:

The main circuit one-way valve and the branch one-way valve are the same type of one-way valve.

Both the main circuit one-way valve and the branch one-way valve are spring-loaded reset one-way valves.

The setting directions of the main circuit one-way valve and the branch circuit one-way valve are consistent.

Both the main circuit one-way valve and the branch circuit one-way valve are arranged along the vertical direction.

The main circuit one-way valve is located between the circulating water pump and the heating water circuit.

The gas water heater also includes a reminder connected to the circulating water pump and giving a reminder when the circulating water pump starts.

According to the second aspect of the utility model, a fuel-electricity complementary hot water system is proposed, and the fuel-electricity complementary hot water system includes: a gas water heater, and the gas water heater is the gas water heater according to the first aspect of the utility model; The heating and cold water inlet pipe, the heating and cooling water inlet pipe communicates with the heating water inlet; several electric water heaters, the electric water heater has an electric heating water inlet and an electric heating water outlet, and the heating water outlets pass through several hot water outlets respectively The conveying pipe is connected with several electric heating water inlets; several electric heating hot water outlet pipes are respectively connected with several electric heating water outlets; the heating hot water outlet pipe is connected with the heating hot water outlet The water pipe is connected with the heating water outlet; the heating cold water outlet pipe is connected with the heating cold water inlet pipe; several electric heating cold water outlet pipes are connected with the electric heating cold water outlet pipe respectively. The heating and cold water inlet pipes are connected; the heating and heating return pipes are respectively connected to the heating and hot water outlet pipes and the heating and cold water outlet pipes; several electric heating return pipes are connected to each other. It communicates with several electric heating hot water outlet pipes and corresponding electric heating cold water outlet pipes.

The fuel-electricity complementary hot water system according to the utility model has the advantages of instant hot water, low cost, and high safety.

The heating return water pipe is provided with a heating return water check valve that only allows the water in the heating hot water outlet pipe to flow to the heating cold water outlet pipe through the heating return pipe; the electric heating return pipe An electric heating return water one-way valve that only allows the water in the electric heating hot water outlet pipe to flow to the corresponding electric heating cold water outlet pipe through the electric heating return water pipe is provided on the top.

Between the water outlet end of the heating and cold water outlet pipe and the heating and heating return pipe, there is a heating and cold water outlet check valve that only allows the water in the heating and cold water outlet pipe to flow to its outlet. Between the water outlet end of the water outlet pipe and the heating return pipe, there is a heating hot water outlet one-way valve that only allows the water in the heating hot water outlet pipe to flow to the outlet end; the outlet end of the electric cold water outlet pipe Between the electric heating return pipe and the electric heating cold water outlet one-way valve, which only allows the water in the electric heating cold water outlet pipe to flow to its outlet end, an electric heating cold water outlet check valve is provided between the electric heating hot water outlet pipe and the electric heating return pipe. There is an electric heating hot water outlet one-way valve that only allows the water in the electric heating hot water outlet pipe to flow to its water outlet.

Description of drawings

Fig. 1 is a schematic structural view of a gas water heater according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a fuel-electricity complementary hot water system according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a fuel-electricity complementary hot water system according to another embodiment of the present invention.

Reference signs: fuel-electricity complementary hot water system 1, gas water heater 100, combustion-heating water inlet 110, combustion-heating water outlet 120, tank 130, main water inlet 131, branch water inlet 132, heating water 133, circulating water pump 140. Main road check valve 150, branch check valve 160, electric water heater 200, electric heating water inlet 210, electric heating water outlet 220, hot water delivery pipe 500, electric heating hot water outlet pipe 600, burning hot water outlet pipe 700 , heating cold water inlet pipe 900, heating cold water outlet pipe 1000, electric heating cold water outlet pipe 1100, heating heating return pipe 1200, electric heating return pipe 1300, heating heating return water check valve 1400, electric heating return water check valve 1500, Hot and cold water outlet one-way valve 1600, heating and hot water outlet one-way valve 1700, electric heating cold water outlet one-way valve 1800, electric heating hot water outlet one-way valve 1900.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

The gas water heater 100 according to the embodiment of the present utility model will be described below with reference to the accompanying drawings.

As shown in FIG. 1 , a gas water heater 100 according to an embodiment of the present utility model includes a tank body 130 , a circulating water pump 140 , a main circuit check valve 150 and a branch circuit check valve 160 .

The tank body 130 is provided with a heating water inlet 110 and a heating water outlet 120 . The box body 130 is provided with a water inlet main road 131, a water inlet branch road 132 and a heating water road 133. The road 131 , the water inlet branch 132 and the heating water outlet 120 are in communication. In other words, the main water inlet path 131 and the water inlet branch path 132 are connected in parallel between the heating water inlet 110 and the heating water path 133 . The circulating water pump 140 is arranged on the main water inlet 131 . The main road check valve 150 is arranged on the water inlet main road 131 , and the main road check valve 150 only allows the water at the heating water inlet 110 to flow to the heating water road 133 through the water inlet main road 131 . The branch one-way valve 160 is arranged on the water inlet branch 132 , and the branch one-way valve 160 only allows the water at the heating water inlet 110 to flow to the heating waterway 133 through the water inlet branch 132 .

The working process of the gas water heater 100 according to the embodiment of the present utility model is described below.

When there is no need to open the zero cold water circulation function, the circulating water pump 140 does not start, because the water resistance of the water inlet branch 132 is smaller than the water resistance of the water inlet main road 131 at this time, the water at the heating water inlet 110 is drawn from the water inlet branch 132 The water flows into the heating water channel 133 for heating without passing through the main water inlet channel 131 .

When the zero cold water circulation function needs to be turned on, the circulating water pump 140 starts, and the circulating water pump 140 pumps the cold water in the hot water outlet pipe back to the burning water inlet 110 through the return pipe, because the water resistance of the main water inlet 131 is smaller than the water inlet at this time The water resistance of the branch circuit 132 , the cold water drawn back to the heating water inlet 110 flows into the heating water circuit 133 from the main water inlet circuit 131 to be heated without passing through the main water inlet circuit 131 .

According to the gas water heater 100 of the embodiment of the present utility model, by setting the main water inlet road 131 and the water inlet branch road 132 in parallel, and setting the circulating water pump 140 on the water inlet main road 131, the overall It is the principle of choosing the path of the least resistance end, and the return water function can be directly controlled by opening and closing the circulating water pump 140, so that the electric three-way valve used to switch the waterway in the prior art can be eliminated, so that the cost can be greatly reduced, and the Potential safety hazard of electric three-way valve leakage. Therefore, the gas water heater 100 according to the embodiment of the present utility model can realize the opening and closing of the zero cold water circulation function, and has low cost and high safety.

The following describes a gas water heater 100 according to a specific embodiment of the present invention with reference to the accompanying drawings.

In some specific embodiments of the present utility model, as shown in FIG. 1 , the gas water heater 100 according to the embodiment of the present utility model includes a tank 130 , a circulating water pump 140 , a main circuit check valve 150 and a branch circuit check valve 160 .

Wherein, the main circuit check valve 150 may be located between the circulating water pump 140 and the heating water channel 133 , or between the circulating water pump 140 and the heating water inlet 110 . Preferably, the main circuit check valve 150 is arranged between the circulating water pump 140 and the heating water circuit 133 in order to facilitate the return of the cold water in the hot water outlet pipe through the return pipe when the circulating water pump 140 starts.

Further, the gas water heater 100 also includes a prompter (not shown in the figure), which is connected to the circulating water pump 140, and the prompter sends out a reminder when the circulating water pump 140 is started, so as to prompt the user to turn off the water end.

In some specific examples of the present utility model, the main road check valve 150 and the branch road check valve 160 are the same kind of check valve, so that the water in the main road check valve 150 and the branch road check valve 160 can be The same resistance, so as to ensure that the water resistance of the water inlet branch 132 is smaller than the water resistance of the water inlet main road 131 when the circulating water pump 140 is not started, and can ensure that the water resistance of the water inlet main road 131 is smaller than the water inlet branch when the circulating water pump 140 is started 132 water resistance.

Specifically, both the main circuit check valve 150 and the branch circuit check valve 160 are spring reset one-way valves, thereby ensuring the one-way sealing effect of the main circuit check valve 150 and the branch circuit valve 160 .

In some specific embodiments of the present utility model, as shown in FIG. 1 , the setting direction of the main road check valve 150 and the branch road check valve 160 are consistent, so that the setting of the main road check valve 150 can affect the water intake. The water resistance produced by the main circuit 131 is the same as the water resistance produced by the branch circuit check valve 160 to the water inlet branch circuit 132, thereby further ensuring that the water resistance of the water inlet branch circuit 132 is smaller than that of the water inlet main circuit when the circulating water pump 140 is not started. 131, and can further ensure that the water resistance of the main water inlet 131 is smaller than the water resistance of the water inlet branch 132 when the circulating water pump 140 is started.

Optionally, both the main circuit check valve 150 and the branch circuit check valve 160 are arranged vertically, so that the setting of the main circuit check valve 150 can affect the water resistance generated by the water inlet main circuit 131 and the branch circuit one-way valve. The setting of the one-way valve 160 has the same water resistance to the water inlet branch 132 , and can ensure the one-way sealing effect of the main one-way valve 150 and the one-way one-way valve 160 of the branch.

Those skilled in the art can understand that the above vertical direction is subject to the vertical direction when the gas water heater 100 is in normal use.

Other configurations and operations of the gas water heater 100 according to the embodiment of the present utility model are known to those skilled in the art and will not be described in detail here.

The fuel-electricity complementary hot water system 1 according to the embodiment of the present utility model will be described below with reference to the accompanying drawings.

As shown in Figures 1-3, the fuel-electricity complementary hot water system 1 according to the embodiment of the present utility model includes a gas water heater, a fuel-fired cold water inlet pipe 900, several electric water heaters 200, several hot water delivery pipes 500, several electric hot water Water outlet pipe 600, hot water outlet pipe 700, hot cold water outlet pipe 1000, several electric cold water outlet pipes 1100, heating return pipe 1200 and several electric return pipes 1300.

Those skilled in the art need to understand that the above-mentioned several include one (as shown in FIG. 2 ), and also include multiple (as shown in FIG. 3 ).

The gas water heater is the gas water heater 100 according to the above embodiments of the present utility model. The heating and cooling water inlet pipe 900 communicates with the heating and heating water inlet 110 . The electric water heater 200 has an electric heating water inlet 210 and an electric heating water outlet 220 . The heating water outlets 120 of the gas water heater 100 communicate with the electric heating water inlets 210 of the electric water heaters 200 through several hot water delivery pipes 500 respectively. Several electrically heated hot water outlet pipes 600 communicate with electrically heated water outlets 220 of several electric water heaters 200 respectively. The hot water outlet pipe 700 communicates with the hot water outlet 120 of the gas water heater 100 . The hot and cold water outlet pipe 1000 communicates with the hot and cold water inlet pipe 900 . A plurality of electric heating cold water outlet pipes 1100 communicate with the combustion heating cold water inlet pipes 900 respectively. The heating water return pipe 1200 communicates with the heating hot water outlet pipe 700 and the heating cold water outlet pipe 1000 respectively. Several electric heating return pipes 1300 communicate with several electric heating hot water outlet pipes 600 and corresponding electric heating cold water outlet pipes 1100 respectively.

According to the fuel-electricity complementary hot water system 1 of the present invention, by using the gas water heater 100 according to the above-mentioned embodiments of the present invention, it has the advantages of instant hot water, low cost, and high safety.

In some specific embodiments of the present invention, as shown in Fig. 2 and Fig. 3, in order to ensure the flow direction of the return water, the heating return pipe 1200 is provided The water pipe 1200 flows to the hot water return check valve 1400 of the hot water outlet pipe 1000 . The electric heating return pipe 1300 is provided with an electric heating return water check valve 1500 that only allows the water in the electric heating hot water outlet pipe 600 to flow to the corresponding electric heating cold water outlet pipe 1100 through the electric heating return pipe 1300 .

Further, in order to ensure the flow direction of the outlet water, between the outlet end of the heating and cooling water outlet pipe 1000 and the heating and heating return pipe 1200, there is a heating and cooling water outlet check valve 1600 that only allows the water in the heating and cold water outlet pipe 1000 to flow to the outlet end. . Between the water outlet end of the heating water outlet pipe 700 and the heating return pipe 1200 is provided a heating water outlet one-way valve 1700 that only allows the water in the heating water outlet pipe 700 to flow to the outlet end.

Correspondingly, between the water outlet end of the electric heating cold water outlet pipe 1100 and the electric heating return pipe 1300, there is an electric heating cold water outlet one-way valve 1800 that only allows the water in the electric heating cold water outlet pipe 1100 to flow to the water outlet end. Between the water outlet end of the electric heating hot water outlet pipe 600 and the electric heating return pipe 1300 is provided an electric heating hot water outlet one-way valve 1900 which only allows the water in the electric heating hot water outlet pipe 600 to flow to the outlet end.

Other configurations and operations of the fuel-electricity complementary hot water system 1 according to the embodiment of the present utility model are known to those skilled in the art and will not be described in detail here.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation , so it cannot be interpreted as a limitation of the present utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (10)

1. a gas heater, is characterized in that, comprising:

Casing, described casing is provided with the hot water inlet of combustion and combustion hot water outlet, is provided with the water inlet main road that is communicated with the hot water inlet of described combustion respectively and branch road and the heating water route that is communicated with described combustion hot water outlet with described water inlet main road, described water inlet branch road respectively of intaking in described casing;

Water circulating pump, described water circulating pump is located on described water inlet main road;

Main road check valve, described main road check valve to be located on described water inlet main road and only to allow the water of the hot water inlet of described combustion to flow to described heating water route by described water inlet main road;

Branch road check valve, described branch road check valve to be located on described water inlet branch road and only to allow the water of the hot water inlet of described combustion to flow to described heating water route by described water inlet branch road.

2. gas heater according to claim 1, is characterized in that, described main road check valve and described branch road check valve are check valve of the same race.

3. gas heater according to claim 2, is characterized in that, described main road check valve and described branch road check valve are spring reset check valve.

4. gas heater according to claim 1, is characterized in that, described main road check valve is consistent with the setting direction of described branch road check valve.

5. gas heater according to claim 4, is characterized in that, described main road check valve and described branch road check valve are all vertically arranged.

6. the gas heater according to any one of claim 1-5, is characterized in that, described main road check valve is between described water circulating pump and described heating water route.

7. gas heater according to claim 1, is characterized in that, also comprises prompting device, and described prompting device is connected with described water circulating pump and sends prompting when described water circulating pump starts.

8. fire an electric complementary hot-water system, it is characterized in that, comprising:

Gas heater, described gas heater is the gas heater according to any one of claim 1-7;

Fire hot cold water inlet, the hot cold water inlet of described combustion is communicated with the hot water inlet of described combustion;

Some electric heaters, described electric heater has electric heating water inlet and electric heating delivery port, and described combustion hot water outlet is communicated with some described electric heating water inlets respectively by some hot water conveying pipes;

Some electric heating hot water outlet pipes, some described electric heating hot water outlet pipes are communicated with some described electric heating delivery ports respectively;

Fire hot hot water outlet pipe, the hot hot water outlet pipe of described combustion is communicated with described combustion hot water outlet;

Fire hot cold water outlet pipe, described combustion hot cold water outlet pipe is communicated with the hot cold water inlet of described combustion;

Some electric heating cold water outlet pipes, some described electric heating cold water outlet pipes are communicated with the hot cold water inlet of described combustion respectively;

Fire hot return pipe, the hot return pipe of described combustion is communicated with the hot cold water outlet pipe of described combustion with the hot hot water outlet pipe of described combustion respectively;

Some electric heating return pipes, some described electric heating return pipes are communicated with corresponding described electric heating cold water outlet pipe with some described electric heating hot water outlet pipes respectively.

9. the electric complementary hot-water system of combustion according to claim 8, is characterized in that, the hot return pipe of described combustion is provided with and only allows the water in the hot hot water outlet pipe of described combustion to flow to the hot backwater check valve of combustion of described combustion hot cold water outlet pipe by the hot return pipe of described combustion;

Described electric heating return pipe is provided with and only allows the water in described electric heating hot water outlet pipe to flow to the electric heating backwater check valve of corresponding described electric heating cold water outlet pipe by described electric heating return pipe.

10. the electric complementary hot-water system of combustion according to claim 8, it is characterized in that, be provided with between the water side of described combustion hot cold water outlet pipe and the hot return pipe of described combustion and only allow the hot cold water of combustion of its water side of current direction in described combustion hot cold water outlet pipe to go out water one-way valve, be provided with between the water side of the hot hot water outlet pipe of described combustion and the hot return pipe of described combustion and only allow the hot hot water effluent's check valve of the combustion of its water side of current direction in the hot hot water outlet pipe of described combustion;

Be provided with between the water side of described electric heating cold water outlet pipe and described electric heating return pipe and only allow the electric heating cold water of its water side of current direction in described electric heating cold water outlet pipe to go out water one-way valve, between the water side of described electric heating hot water outlet pipe and described electric heating return pipe, be provided with the electric heating hot water effluent check valve of its water side of current direction only allowed in described electric heating hot water outlet pipe.