CN209310254U - A kind of supplying hot water instant-heating plate changes formula wall-hung boiler - Google Patents

Abstract

The utility model discloses a wall-hanging boiler for hot water supply that is turned on and heated, comprising: a wall-hanging furnace body, a main heat exchanger installed on the wall-hanging furnace body, a combustion system, a fan, and the main heat exchange unit. The heating outlet pipe, the heating return pipe, and the water pump used to provide circulating power; it is characterized in that a plate heat exchanger is connected in series on the heating outlet pipe, and a bathroom inlet is connected to the plate heat exchanger. Water pipes and bathroom outlet pipes. On the heating water outlet end of the plate heat exchanger, a first pipe for connecting the heat dissipation terminal and a second pipe for direct connection with the heating return pipe are provided. The first pipe, The connection between the second pipeline and the heating water outlet of the plate heat exchanger is switched through a control valve. The utility model realizes instant heating of hot water supply, improves the water use effect of the bathroom, and solves the problem that the existing wall-hung boiler uses the bathroom function to produce hot water slowly in winter.

Description

A wall-hung boiler with instant hot water supply and hot plate replacement

technical field

The utility model relates to the technical field of fluid heaters, in particular to a hot-water-supply wall-hung boiler that can be switched on and heated immediately.

Background technique

Wall-hung boilers have been widely used for home heating because of their powerful home central heating functions. For heating and heating wall-hung boilers, in addition to heating, it can also provide domestic hot water to meet the needs of family bathing and kitchen places. At present, common wall-hung boilers are divided into different types of heat exchangers: casing-type wall-hung boilers and plate-exchange wall-hung boilers. The existing plate-replacement wall-hung boilers give priority to ensuring the heating effect, and the bathing effect is poor, especially the heating time of the bathing water is long, which affects the user experience.

Utility model content

Aiming at the defects existing in the prior art, the purpose of this utility model is to provide a plate-replacement wall-hung boiler that can realize instant hot water supply and a good bathing effect.

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

A wall-hung boiler for hot water supply that is turned on and heated, comprising: a wall-hung boiler body, a main heat exchanger installed on the wall-hung boiler body, a combustion system, a fan, and a heating system connected to the main heat exchanger. The water outlet pipe, the heating return pipe, and the water pump used to provide circulating power; it is characterized in that a plate heat exchanger is connected in series on the heating outlet pipe, and a bathroom inlet pipe and a bathroom outlet are connected to the plate heat exchanger. Water pipes, on the heating water outlet end of the plate heat exchanger are provided with a first pipe for connecting the heat dissipation terminal and a second pipe for direct connection with the heating return pipe, the first pipe, the second The connection between the pipeline and the heating water outlet of the plate heat exchanger is switched through a control valve.

As a further description of the above solution, the control valve is a three-way valve, the water inlet pipe of the three-way valve is connected to the heating water outlet end of the plate heat exchanger, and the two outlet pipes of the three-way valve are respectively connected to the The first pipeline and the second pipeline are connected.

As a further description of the above solution, the control valve is a first shut-off valve arranged on the first pipeline and a second shut-off valve arranged on the second pipeline.

As a further description of the above solution, both the water pump and the control valve are connected to a controller, and the controller is used to control the start and stop of the water pump and the switching action of the control valve.

As a further description of the above solution, the controller is the main controller of the plate-replacement wall-hung boiler.

As a further description of the above solution, the water pump is located on the pipeline between the main heat exchanger and the second pipeline.

As a further description of the above scheme, a temperature sensor is provided on the heating return pipe, and the temperature sensor is located on the pipeline between the main heat exchanger and the second pipeline; the temperature sensor and the plate The main controller connection of the wall-hung boiler.

As a further description of the above solution, a water flow switch or a water flow sensor is provided on the pipeline between the main heat exchanger and the second pipeline, and the water flow switch or the water flow sensor is connected to the plate exchange wall-hung boiler main controller connection.

As a further description of the above scheme, when the heating water outlet of the plate heat exchanger is connected to the first pipeline, only hot water is supplied; when the heating water outlet of the plate heat exchanger is connected to the second pipeline At the same time, heating and hot water supply.

The beneficial effects of the utility model are:

Since the plate heat exchanger is connected in series to the heating outlet pipe of the wall-hung boiler, the plate heat exchanger is also connected to the water flow channel of the bathroom, and the cold water in the water flow channel of the bathroom is heated when the heating water passes through the plate exchange. Therefore, hot water can be kept in the bathroom water flow channel all the time. When switching to the bathing mode, open the water outlet of the bathroom, and the hot water can be released immediately, realizing instant hot water supply, improving the effect of water use in the bathroom, and solving the problem of existing wall hangings. In winter, the boiler uses the bathroom function to produce hot water slowly; compared with the existing plate-mounted wall-hung boiler, it saves a section of pipeline connected in parallel, reduces the occupied volume, and saves costs.

Description of drawings

Fig. 1 is a structural schematic diagram of the plate-replacement wall-hung boiler provided by the utility model.

Explanation of reference signs:

1: wall-hung boiler body, 2: main heat exchanger, 3: combustion system, 4: fan, 5: heating outlet pipe, 6: heating return pipe, 7: water pump, 8: plate heat exchanger, 9: bathroom inlet pipe , 10; bathroom outlet pipe, 11: first pipe, 12: second pipe, 13: control valve, 14: controller, 15: temperature sensor, 16: water flow sensor.

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 clearly stated 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, the first feature being "on" or "under" the 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", "under" 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", "below" and "under" 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 horizontally lower 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 wall-hung boiler with hot water supply that is turned on and heated includes: a wall-hung boiler body 1, a main heat exchanger 2 installed on the wall-hung boiler body 1, a combustion system 3, and a fan 4 , the heating outlet pipe 5 connected to the main heat exchanger 2, the heating return pipe 6, and the water pump 7 used to provide circulating power; it is characterized in that a plate heat exchanger 8 is connected in series on the heating outlet pipe 5 , a sanitary water inlet pipe 9 and a sanitary water outlet pipe 10 are connected to the plate heat exchanger 8, and a first pipe 11 for connecting a heat dissipation terminal and a first pipe 11 for connecting a heat dissipation terminal are provided on the heating water outlet end of the plate heat exchanger 8. The heating return pipe 6 is directly connected to the second pipe 12 , and the first pipe 11 , the second pipe 12 and the heating water outlet end of the plate heat exchanger 8 are switched through a control valve 13 .

Wherein, the control valve 13 is a three-way valve, the water inlet pipe of the three-way valve is connected to the heating water outlet end of the plate heat exchanger 8, and the two outlet pipes of the three-way valve 13 are respectively connected to the first A pipeline 11 and the second pipeline 12 are connected. In other embodiments, the control valve is a first cut-off valve disposed on the first pipeline and a second shut-off valve disposed on the second pipeline, which is not limited to this embodiment.

The water pump 7 is located on the pipeline between the main heat exchanger 2 and the second pipeline 12 , and a water flow sensor 16 is also arranged on the pipeline. The water pump 7, the control valve 13, and the water flow sensor 16 are all connected to a controller 14, and the controller 14 is used to control the start and stop of the water pump 7 and the switching action of the control valve 13, And according to the signal fed back by the water flow switch or the water flow sensor 16, the ignition and start of the plate replacement wall-hung boiler is controlled. In this embodiment, preferably, the controller is the main controller of the plate-replacement wall-hung boiler. In other implementation manners, the water flow sensor is replaced by a water flow switch, which is not limited to this embodiment.

Further, a temperature sensor 14 connected to the controller 14 is provided on the heating return pipe 6 , and the temperature sensor 15 is located on the pipeline between the main heat exchanger 2 and the second pipeline 12 . When the temperature detected by the temperature sensor 14 reaches the set temperature, the controller 14 controls the plate exchange type wall-hung boiler to stop burning.

The working principle of the wall-hung boiler for hot water supply that is instant on and hot plate provided in this embodiment is as follows:

Winter (low temperature): After turning on the winter mode, after the system pressure is normal, the water pump starts to push the heating medium water to flow, turns on the water flow switch or the water flow sensor, and outputs the water flow signal (switch signal or pulse signal) to the main controller, the main controller After receiving the water flow signal, the three-way valve M and L are connected, and at the same time start the fan to perform pre-cleaning, and check whether various safety devices are normal. Entering the burner, the gas is ignited under the action of the electric spark for combustion, and the heating medium is distributed into the air or radiated out through the radiator to achieve the purpose of heating. After reaching the set heating temperature, turn off the flame and enter the standby state. And so on and on.

Since the plate heat exchanger is connected in series to the heating water flow channel of the wall-hung boiler, the plate heat exchanger is connected to the bathroom water flow channel at the same time, and the cold water in the bathroom water flow channel is heated when the heating water passes through the plate exchange. Therefore, there can always be hot water in the water flow channel of the bathroom. When switching to the bathing mode, open the water outlet C of the bathroom, and the hot water can be released immediately, realizing the instant hot water supply and improving the water effect of the bathroom; at the same time, the three-way The valve M is connected with the N terminal, the heating water is circulated internally, and the heating function stops.

Summer (high temperature): After switching to the summer mode, the three-way valve M and N are connected, and the hot water from the heating is exchanged through the plate heat exchanger and then becomes cold water, which flows into the return water end A and circulates under the action of the water pump The cold water of the bathroom enters the plate heat exchanger from the water inlet J of the bathroom, and after heat exchange, it turns into hot water and flows into the water outlet C of the bathroom for use in the bathroom.

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 (9)

1. A wall-hung boiler with instant hot water supply, including: a wall-hung boiler body, a main heat exchanger, a combustion system, and a fan installed on the wall-hung boiler body, connected to the main heat exchanger The heating outlet pipe, the heating return pipe, and the water pump used to provide circulating power; it is characterized in that a plate heat exchanger is connected in series on the heating outlet pipe, and a sanitary water inlet pipe and a water inlet pipe are connected to the plate heat exchanger. Bathroom outlet pipe, on the heating water outlet end of the plate heat exchanger, there is a first pipe used to connect the heat dissipation terminal and a second pipe used to directly connect with the heating return pipe, the first pipe, the The connection between the second pipeline and the heating water outlet of the plate heat exchanger is switched through a control valve. 2. A wall-hung boiler with instant hot water supply and heating according to claim 1, characterized in that the control valve is a three-way valve, and the water inlet pipe of the three-way valve is connected to the plate-type exchanger. The heating water outlet of the heater is connected, and the two outlet pipes of the three-way valve are respectively connected with the first pipeline and the second pipeline. 3. The hot water supply instant-on instant-heating wall-hung boiler according to claim 1, characterized in that the control valve is a first cut-off valve arranged on the first pipeline and arranged on the The second shut-off valve on the second pipeline. 4. A wall-hung boiler with instant hot water supply according to claim 1, characterized in that, both the water pump and the control valve are connected to a controller, and the controller is used to control the The start and stop of the water pump and the switching action of the control valve. 5 . The instant-on and hot plate-replacement wall-hung boiler for hot water supply according to claim 4 , wherein the controller is the main controller of the plate-replacement wall-hung boiler. 6 . The instant hot water supply wall-hung boiler that is turned on and heated according to claim 1 , wherein the water pump is located on the pipeline between the main heat exchanger and the second pipeline. 7 . 7. A wall-hung boiler for hot water supply that is turned on and heated according to claim 1, characterized in that a temperature sensor is provided on the heating return pipe, and the temperature sensor is located at the main heat exchanger. On the pipeline between the device and the second pipeline; the temperature sensor is connected to the main controller of the plate exchange type wall-hung boiler. 8. A wall-hung boiler for hot water supply that is turned on and heated according to claim 1, wherein a water flow switch or a water flow switch is provided on the pipeline between the main heat exchanger and the second pipeline. The flow sensor, the water flow switch or the water flow sensor is connected to the main controller of the panel exchange type wall-hung boiler. 9. The instant hot water supply wall-hung boiler that is turned on and heated according to claim 1, characterized in that, when the heating water outlet end of the plate heat exchanger is connected to the first pipeline, only for Hot water; when the heating water outlet end of the plate heat exchanger is connected to the second pipeline, heating and hot water are supplied at the same time.