CN209639235U - A kind of dual system gas heater - Google Patents

Abstract

The utility model discloses a kind of dual system gas heater, which is characterized in that supplying hot water burning and heating burning two systems are arranged inside gas heater；The supplying hot water combustion system includes the first cavity, installs the first burner, first heat exchanger portion dress, the first fume exhaust system and first square tube assembly in the first cavity, loads onto and be connected with into cold water pipe and hot-water outlet pipe in the first heat exchanger portion；The heating combustion system includes the second cavity, it is mounted on intracorporal second burner of the second chamber, second heat exchanger portion dress, the second fume exhaust system and second square tube assembly, is loaded onto the second heat exchanger portion and is connected with heating outlet pipe and heating water return pipe；Two sets of combustion systems share a blower air-supply.The two systems of the utility model are mutually indepedent, can run simultaneously, solve the problems, such as current wall-hung boiler can not heating, bathing simultaneously, while ensure that good bath hot water performance.

Description

A double system gas water heater

technical field

The utility model relates to the technical field of fluid heaters, in particular to a dual-system gas water heater.

Background technique

Existing gas water heaters can only realize the bathing function, but cannot solve the heating problem; although the wall-hung boiler can solve the heating problem and the bathing problem, the bathing effect cannot reach the level of the gas water heater, the heat exchange efficiency is poor, the hot water supply performance is poor, and the heating, Bathing cannot be used at the same time.

Utility model content

Aiming at the problems existing in the prior art, the purpose of this utility model is to propose a brand-new gas water heater which can run bathing and heating at the same time and does not affect the bathing effect during the heating operation.

In order to achieve the above object, the utility model adopts the following technical solutions.

A dual-system gas water heater, characterized in that it includes a hot water supply combustion system and a heating combustion system; the hot water supply combustion system includes a first cavity, a first burner installed in the first cavity, a first heating The exchanger part, the first smoke exhaust system part and the first square pipe assembly, the cold water inlet pipe and the hot water outlet pipe are connected to the first heat exchanger part; the heating combustion system includes a second The cavity, the second burner, the second heat exchanger part, the second smoke exhaust system part and the second square pipe assembly installed in the second cavity are connected to the second heat exchanger part There are heating outlet pipes and heating return pipes; the two sets of combustion systems share a fan for air supply.

As a further description of the above scheme, corresponding gas proportional valves and dampers are respectively provided corresponding to the first burner and the second burner, and the gas proportional valves and dampers are respectively used to control the intake air volume, Air volume.

As a further illustration of the above solution, a water flow sensor connected to the main controller of the gas water heater is provided on the cold water inlet pipe or the hot water outlet pipe.

As a further description of the above solution, a water pump and a water flow switch connected to the main controller of the gas water heater are provided on the heating outlet pipe or the heating return pipe.

As a further description of the above solution, the first smoke exhaust system unit is connected to the second smoke exhaust system unit, and the exhaust pipe of the gas water heater is connected to the first smoke exhaust system unit.

As a further illustration of the above solution, the first square pipe assembly and the second square pipe assembly are connected to the same intake pipe through corresponding pipes, and a solenoid valve is provided on the intake pipe.

As a further description of the above solution, a temperature sensor connected to the main controller is also provided on the heating return pipe. When the temperature detected by the temperature sensor reaches the set heating temperature, the second burner turns off and enters the standby mode. state, when the temperature detected by the temperature sensor is lower than the set low temperature value, the second burner ignites and enters the combustion state; the cycle repeats.

The beneficial effects of the utility model are:

1. By setting up two independent combustion systems inside the gas water heater, one combustion system is used to heat bath water, and the other combustion system is used to heat heating water; the two systems are independent of each other and can run simultaneously to solve the problem of current wall-hung boilers. The problem of not being able to heat and bath at the same time, while ensuring good hot water performance for bathing.

2. The two systems share a fan, a smoke exhaust pipe, and an air intake pipe, with a compact structure; at the same time, the damper is used to control the air volume entering each system, which is easy to control and adjust.

3. Control the load of the heating combustion system through the gas proportional valve, section valve, and damper, and give priority to ensuring the bathing effect while heating, which is convenient and practical.

Description of drawings

Fig. 1 is a schematic structural diagram of a dual-system gas water heater provided by the present invention.

Fig. 2 shows the control flow chart of the dual-system gas water heater provided by the utility model.

Fig. 3 shows another control flow chart of the dual-system gas water heater provided by the utility model.

Explanation of reference signs:

1: Hot water combustion system, 2: Heating combustion system, 3: Fan, 4: Water pump, 5: Main controller, 6: Intake pipe, 7: Solenoid valve.

1-1: The first cavity, 1-2: The first burner, 1-3: The first heat exchanger part, 1-4: The first smoke exhaust system part, 1-5: The first square tube Assembly, 1-6: cold water inlet pipe, 1-7: hot water outlet pipe.

2-1: The second cavity, 2-2: The second burner, 2-3: The second heat exchanger, 2-4: The second exhaust system, 2-5: The second square tube Assembly, 2-6: heating water outlet pipe, 2-7: heating water return pipe.

Detailed ways

In the description of the present utility model, it should be noted that for orientation words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower ", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Inverse "Hour hand" and other indication orientations and positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to The specific orientation structure and operation should not be interpreted as limiting the specific protection scope of the present utility model.

In addition, terms such as "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features. Therefore, the definition of "first" and "second" features may explicitly or implicitly include one or more of these features, and in the description of the present utility model, the meaning of "at least" is one or more than one, unless otherwise specified Specific limits.

In this utility model, unless otherwise clearly specified and limited, if there are terms "assembled", "connected", and "connected", the terms should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can also be mechanical connection; it can be connected directly or through an intermediary, and it can be that two components are internally connected. Those of ordinary skill in the art can understand the specific meanings of the above-mentioned terms in the present utility model according to specific situations.

In the utility model, unless otherwise specified and limited, a first feature being "on" or "under" a second feature may include that the first and second features are in direct contact, and may also include that the first and second features are not not in direct contact but through another characteristic contact between them. Moreover, "above", "below" 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 level of the first feature is higher than that of the second feature the height of. "Above", "under" and "beneath" the first feature on the second feature include that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

The specific implementation of the utility model will be further described below in combination with the accompanying drawings of the specification, so as to make the technical solution of the utility model and its beneficial effects more clear and definite. The embodiments described below by referring to the figures are exemplary and intended to explain the present utility model, but should not be construed as limiting the present utility model.

As shown in Figure 1, a dual-system gas water heater includes a hot water supply combustion system 1 and a heating combustion system 2; the hot water supply combustion system 1 includes a first cavity 1-1 installed in the first cavity 1 - The first burner 1-2, the first heat exchanger part 1-3, the first smoke exhaust system part 1-4 and the first square pipe assembly 1-5 in the first heat The exchanger unit 1-3 is connected with a cold water inlet pipe 1-6 and a hot water outlet pipe 1-7; the heating combustion system 2 includes a second cavity 2-1, installed in the second cavity 2-1 The second burner 2-2, the second heat exchanger part 2-3, the second smoke exhaust system part 2-4 and the second square pipe assembly 2-5, in the second heat exchanger part The installation 2-3 is connected with a heating outlet pipe 2-6 and a heating return pipe 2-7; two sets of combustion systems share a fan 3 for air supply.

When a single system is running, the fan 3 operates according to the required constant current of the single operating system and provides the corresponding air volume; when the two systems are running at the same time, the air volume of the fan 3 is given priority to ensure the normal operation of the hot water supply combustion system 1. The adjustment and control of the air volume is controlled by dampers respectively arranged on the hot water supply combustion system 1 and the heating combustion system 2, which is a conventional technology and will not be repeated here.

As shown in Figure 2, the two systems operate at the same time. On the premise of ensuring the normal operation of the hot water combustion system 1, the gas flow of the heating combustion system 2 is adjusted through the gas proportional valve and the sectional valve, so as to ensure the heating of the heating combustion system 2. Combustion conditions. In other embodiments, the combustion conditions are guaranteed by controlling the gas proportional valve of the heating combustion system 2 to burn with the minimum opening and the section valve to burn with the minimum number of sections; as shown in FIG. 3 .

Preferably, a water flow sensor is provided on the cold water inlet pipe 1-6 or the hot water outlet pipe 1-7, and a water pump 4 and a water flow switch are provided on the heating outlet pipe 2-6 or the heating return pipe 2-7 , the water flow sensor, the water flow switch and the water pump 4 are all connected to the main controller 5 of the gas water heater.

Further preferably, the first smoke exhaust system unit 1-4 and the second smoke exhaust system unit 2-4 are connected together, and the exhaust pipe of the gas water heater is connected to the first smoke exhaust system unit 1-4 superior. The first square pipe assembly 1-5 and the second square pipe assembly 2-5 are connected to the same intake pipe 6 through corresponding pipes, and a solenoid valve 7 is arranged on the intake pipe 6 .

When the hot water supply is working: the water valve is opened, the Hall element of the water flow sensor detects the water flow signal, and the signal is input to the main controller 5. After the main controller 5 judges that the incoming water flow rate is greater than the starting water flow rate, the fan 3 is started to perform front cleaning, and Detect whether the various safety devices are normal. If the various safety devices are normal, ignite, and then open the solenoid valve 7 and the gas proportional valve of the hot water supply combustion system 1, and the gas enters the first burner 1-2 in the electric spark. The gas is ignited under the action of the gas for combustion, and the flue gas heats the bathing water.

During heating operation: After starting the heating function, when the system pressure is normal, the water pump 1 is started to push the heating medium water to flow, the water flow switch is turned on, and the water flow signal (switch signal or pulse signal) is output to the main controller 5, and the main controller 5 is connected to the main controller 5. After receiving the water flow signal, start the blower 3 for pre-cleaning, and check whether the various safety devices are normal. If the various safety devices are normal, ignite, and then respectively open the solenoid valve 7 and the gas proportional valve of the heating combustion system. After entering the second burner 2-2, the gas is ignited for combustion under the action of the electric spark, and the heating medium is distributed into the air or radiated out through the radiator to achieve the purpose of heating.

Furthermore, a temperature sensor connected to the main controller 5 is also provided on the heating return pipe, and when the temperature detected by the temperature sensor reaches the set heating temperature, the engine is turned off and enters a standby state. And so on and on.

In the dual-system gas water heater provided in this embodiment, two sets of independent combustion systems are arranged inside the gas water heater, one combustion system is used to heat bathing water, and the other combustion system is used to heat heating water; the two systems interact with each other. It is independent and can run at the same time, which solves the problem that the current wall-hung boiler cannot be heated and bathed at the same time, and at the same time ensures good hot water performance for bathing.

Through the description of the above structure and principle, those skilled in the art should understand that the utility model is not limited to the above-mentioned specific implementation, and the improvement and replacement of the technology known in the art on the basis of the utility model all fall within the scope of the utility model. The protection scope of the new model, the protection scope of the utility model shall be defined by the claims and their equivalents. Parts not described in the detailed description are prior art or common knowledge.

Claims (7)

1. A dual-system gas water heater, characterized in that two systems, a hot water supply combustion system and a heating combustion system, are set inside the gas water heater; the hot water supply combustion system includes a first cavity, installed in the first cavity The first burner, the first heat exchanger part, the first smoke exhaust system part and the first square pipe assembly, the cold water inlet pipe and the hot water outlet pipe are connected to the first heat exchanger part The heating combustion system includes a second cavity, a second burner installed in the second cavity, a second heat exchanger part, a second smoke exhaust system part and a second square pipe assembly, in the The second heat exchanger part is equipped with a heating outlet pipe and a heating return pipe; the two sets of combustion systems share a fan for air supply. 2. A dual-system gas water heater according to claim 1, characterized in that, corresponding to the first burner and the second burner, corresponding gas proportional valves and dampers are respectively provided, and the gas proportional valves and the damper are used to control the intake air volume and air intake volume respectively. 3. A dual-system gas water heater according to claim 1, characterized in that a water flow sensor connected to the main controller of the gas water heater is provided on the cold water inlet pipe or the hot water outlet pipe. 4. A dual-system gas water heater according to claim 1, wherein a water pump and a water flow switch connected to the main controller of the gas water heater are provided on the heating outlet pipe or the heating return pipe. 5. A dual-system gas water heater according to claim 1, characterized in that the first smoke exhaust system part is connected to the second smoke exhaust system part, and the gas water heater smoke exhaust pipe is connected to the Install the first exhaust system. 6. A dual-system gas water heater according to claim 1, characterized in that, the first square pipe assembly and the second square pipe assembly are connected to the same intake pipe through corresponding pipes, and the The air intake pipe is provided with a solenoid valve. 7. A dual-system gas water heater according to claim 1, characterized in that a temperature sensor connected to the main controller of the gas water heater is also provided on the heating return pipe, and when the temperature detected by the temperature sensor reaches the set After the heating temperature is set, the second burner turns off and enters the standby state. When the temperature detected by the temperature sensor is lower than the set low temperature value, the second burner ignites and enters the combustion state; the cycle repeats.