CN211233382U

CN211233382U - Wall-mounted stove

Info

Publication number: CN211233382U
Application number: CN201922191905.2U
Authority: CN
Inventors: 梁桂源; 陈佳锋; 马曾文; 张霞; 李良潭
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-11
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to the technical field of household appliances, concretely relates to hanging stove, include: a first primary heat supply pipeline having a first inlet and a first outlet; a second primary heat supply pipeline having a second inlet and a second outlet; the heating device is used for heating the first main heat supply pipeline; the flow distributor is arranged on the first main heating pipeline and is positioned between the heating device and the first outlet; one end of the auxiliary heat supply pipeline is communicated with the auxiliary port of the flow distributor, and the other end of the auxiliary heat supply pipeline is communicated with the first inlet; and the heat storage heat exchanger is arranged on the auxiliary heat supply pipeline and comprises a heat storage medium, and the heat storage medium absorbs the heat of the auxiliary heat supply pipeline to exchange heat with the second main heat supply pipeline. The flow distributor is arranged, so that heating water and domestic water can be supplied simultaneously; meanwhile, the heat storage medium absorbs heat and stores the heat, and when a user has a demand, domestic cold water directly exchanges heat with the heat stored in the heat storage medium, so that waiting is not needed, the heating is timely, and the user experience is improved.

Description

Wall-mounted stove

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to hanging stove.

Background

The wall-hanging stove uses natural gas, artificial gas or liquefied gas as fuel, the fuel is burnt in the combustion chamber, and then the heat is absorbed by the main heat exchanger, and the circulating water in the building is heated in a reciprocating way when passing through the main heat exchanger, so that the heat is continuously output to the building, and a heat source is provided for the building.

The prior art discloses a wall-mounted furnace, adopt the reposition of redundant personnel controlling means to divide into two branches with the moisture after the combustor heating, lead to heating water all the way, lead to domestic water such as bathroom water all the way, in order to realize can supplying heating and domestic water simultaneously winter, supply domestic hot water summer, but this structure is when supplying domestic water, domestic water obtains the intensification through the direct heat transfer of water after heat exchanger and combustor heating, like this when the user has the demand, the reposition of redundant personnel controlling means can control the branch circulation that leads to domestic water, then the water after being heated by the combustor that flows through by this branch flows into the heat exchanger and carries out the heat transfer to domestic water and heat up, the heating is untimely, simultaneously, receive user's water pressure and discharge influence, when the user opens tap, can not directly obtain hot water, user experience is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that can supply hot water of heating and life hydrothermal hanging stove user experience is poor among the prior art simultaneously to a hanging stove that can supply hot water of heating and life hot water simultaneously and user experience is good is provided.

A wall hanging stove comprising:

a first primary heat supply pipeline having a first inlet and a first outlet;

a second primary heat supply pipeline having a second inlet and a second outlet;

the heating device is used for heating the first main heat supply pipeline;

the flow distributor is arranged on the first main heating pipeline and is positioned between the heating device and the first outlet;

one end of the auxiliary heat supply pipeline is communicated with the auxiliary port of the flow distributor, and the other end of the auxiliary heat supply pipeline is communicated with the first inlet;

and the heat storage heat exchanger is arranged on the auxiliary heat supply pipeline and comprises a heat storage medium, and the heat storage medium absorbs the heat of the auxiliary heat supply pipeline and exchanges heat with the second main heat supply pipeline.

The heat storage heat exchanger also comprises a heat insulation structure which is arranged on the outer wall of the heat storage heat exchanger.

The heat storage medium is water.

The heating device comprises a burner and a main heat exchanger, and the first main heat supply pipeline is arranged on a pipeline in the main heat exchanger and is heated by high-temperature flue gas generated by the burner.

The heat storage heat exchanger is characterized by further comprising an auxiliary branch, wherein one end of the auxiliary branch is connected with a pipeline, the first main heat supply pipeline is located between the flow distributor and the first outlet, and the other end of the auxiliary branch is connected with a pipeline, the auxiliary heat supply pipeline is located between the heat storage heat exchanger and the first inlet.

Further comprising:

the first valve is arranged on the auxiliary branch;

and the second valve is arranged on the pipeline of the auxiliary heat supply pipeline between the heat storage heat exchanger and the first inlet.

The controller is connected with the first valve and the second valve and used for controlling the opening and closing of the first valve and the second valve.

A first temperature detection device is arranged on a pipeline of the auxiliary heat supply pipeline between the heat storage heat exchanger and the first inlet, and the first temperature detection device is connected with the controller;

when the detection temperature of the first temperature detection device is higher than the preset heating temperature and the difference value between the first temperature detection device and the preset heating temperature is higher than 5 ℃, the controller controls the first valve to be opened and the second valve to be closed.

When the domestic water meets the preset temperature, or the detection temperature of the first temperature detection device is less than or equal to the preset heating temperature, and the difference value between the first temperature detection device and the preset heating temperature is less than 5 ℃, the controller controls the first valve to be closed, and the second valve is opened.

The water pressure balance pipeline is connected with the first main heat supply pipeline, and an expansion water tank is arranged on the water pressure balance pipeline.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a hanging stove, include: a first primary heat supply pipeline having a first inlet and a first outlet; a second primary heat supply pipeline having a second inlet and a second outlet; the heating device is used for heating the first main heat supply pipeline; the flow distributor is arranged on the first main heating pipeline and is positioned between the heating device and the first outlet; one end of the auxiliary heat supply pipeline is communicated with the auxiliary port of the flow distributor, and the other end of the auxiliary heat supply pipeline is communicated with the first inlet; and the heat storage heat exchanger is arranged on the auxiliary heat supply pipeline and comprises a heat storage medium, and the heat storage medium absorbs the heat of the auxiliary heat supply pipeline and exchanges heat with the second main heat supply pipeline. By arranging the flow distributor, the first main heat supply pipeline and the second main heat supply pipeline, the flow distributor distributes water of the first main heat supply pipeline heated by the heating device to heat required by the first aspect and heat required by the second aspect, for example, in the using process, the first inlet can be communicated with a water return pipe of the heating pipeline, the first outlet can be communicated with a water supply pipe of the heating pipeline, the second inlet can be communicated with a water return pipe of domestic water, and the second outlet can be communicated with a water supply pipe of the domestic water, so that heating water and the domestic water can be supplied simultaneously; meanwhile, as the heat storage heat exchanger is arranged on the auxiliary heat supply pipeline, the heat storage medium in the heat storage heat exchanger absorbs the heat of the auxiliary heat supply pipeline to exchange heat with the second main heat supply pipeline, so that the heat storage medium absorbs and stores the heat of the water heated by the heating device, and the water faucet is opened at any time when a user needs the water, the domestic cold water flowing in through the second inlet can directly exchange heat with the heat stored in the heat storage medium in the heat storage heat exchanger without waiting and heating is more timely, and because of the heat stored in the heat storage medium, even if a user opens a plurality of water taps at the same time, the requirement can be met, the influence of the water pressure and the water flow of the user is less, when the user opened tap promptly, the homoenergetic directly obtained hot water, when also preventing that the user from brushing teeth, washing hands etc. little water demand, lead to the problem that the unit frequently opened, improved user experience.

2. The utility model provides a hanging stove still includes insulation construction, locates on heat accumulation heat exchanger's the outer wall. Through set up insulation construction on heat accumulation heat exchanger's outer wall for heat accumulation heat exchanger's heat accumulation effect is better, prevents that the heat from outwards losing and losing too much.

3. The utility model provides a hanging stove, the heat accumulation medium is water. The heat storage medium is set to be water, so that the heat storage effect is met, and meanwhile, the heat storage medium is convenient to obtain.

4. The utility model provides a hanging stove still includes supplementary branch road, and one end is connected first main heat supply pipeline is located flow distributor with pipeline between the first export, the other end is connected supplementary heat supply pipeline is located heat storage heat exchanger with pipeline between the first entry. Through setting up supplementary branch road for the hanging stove is in the heating of supply simultaneously and domestic water in-process, if the heat that heat accumulation heat exchanger stored still has remaining the heat supply to heating water through supplementary branch road after supplying domestic water, the utilization ratio of improvement energy.

5. The utility model provides a hanging stove still includes: the first valve is arranged on the auxiliary branch; and the second valve is arranged on the pipeline of the auxiliary heat supply pipeline between the heat storage heat exchanger and the first inlet. Through setting up first valve and second valve for the hanging stove is in the heating of supply simultaneously and domestic water in-process, and the operation of connecting in parallel or series connection of two ways of control heating and domestic water that can be very convenient, rational utilization energy.

6. The utility model provides a hanging stove still includes the controller, the controller with first valve and second valve are connected, are used for control the switching of first valve and second valve. The wall-mounted furnace is connected with the first valve and the second valve through the setting controller, the first valve and the second valve can be automatically controlled to be opened and closed, and full-automatic control of the wall-mounted furnace is achieved.

7. The utility model provides a wall-mounted boiler, the pipeline of the auxiliary heat supply pipeline between the heat storage heat exchanger and the first inlet is provided with a first temperature detection device, and the first temperature detection device is connected with the controller; when the detection temperature of the first temperature detection device is higher than the preset heating temperature and the difference value between the first temperature detection device and the preset heating temperature is higher than 5 ℃, the controller controls the first valve to be opened and the second valve to be closed. Through setting up first temperature-detecting device, be greater than preset heating temperature at first temperature-detecting device's detection temperature, and when difference between them is greater than 5 ℃, the first valve of controller control is opened, and the second valve is closed for the pipeline series operation of heating water and domestic water, the heat of storage heat exchanger can also have the surplus to go the supply heating water again on the basis of satisfying domestic water promptly, has guaranteed the make full use of energy.

8. The utility model provides a hanging stove satisfies at domestic water and predetermines the temperature, perhaps heating temperature is predetermine to first temperature-detecting device's detection temperature less than or equal to, and when the difference between the two is less than 5 ℃, the controller control first valve is closed, the second valve is opened. The domestic water meets the requirement of the preset temperature, so that heat is not required to be supplied to the domestic water; or when the detection temperature of the first temperature detection device is less than or equal to the heating temperature and the difference between the detection temperature and the heating temperature is less than 5 ℃, the stored heat of the heat storage heat exchanger can only supply domestic water, no redundant energy is supplied for heating water, the controller controls the first valve to be closed, the second valve to be opened, and the heating water and the domestic water are opened to run in a parallel mode, so that the normal running of the wall-mounted furnace is ensured.

9. The utility model provides a hanging stove still includes the water pressure balance pipeline, with first main heat supply tube coupling, be equipped with expansion tank on the water pressure balance pipeline. Through setting up expansion tank, can guarantee the water pressure balance of hanging each pipeline of stove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a wall-hanging stove of the present invention;

fig. 2 is a schematic structural view of the wall-hanging stove for supplying heating water separately;

fig. 3 is a schematic structural view of the wall-hanging stove for independently supplying domestic water according to the present invention;

fig. 4 is a schematic structural view of the parallel connection mode of the wall-hanging stove for simultaneously supplying heating water and domestic water according to the present invention;

fig. 5 is a schematic structural view of a series connection mode of the wall-hanging stove for simultaneously supplying heating water and domestic water;

description of reference numerals:

1-auxiliary branch; 2-a primary heat exchanger; 3-a burner; 4-a second temperature detection device; 5-a flow distributor; 6-heat storage heat exchanger; 7-a fourth temperature detection device; 8-a second outlet; 9-a second inlet; 10-a third temperature detection device; 11-heating pipeline; 12-a first temperature detection device; 13-a first valve; 14-a second valve; 15-a water pump; 16-a proportional valve; 17-an expansion tank; 18-a first outlet; 19-a first inlet; 20-auxiliary heat supply pipeline; 21-a first main heat supply pipeline; 22-a second main heating line.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 5, the present embodiment provides a wall-hanging stove, including: a first main heat supply pipeline 21, a second main heat supply pipeline 22, a heating device, a flow distributor 5, an auxiliary heat supply pipeline 20 and a heat storage heat exchanger 6.

A first primary heating line 21 having a first inlet 19 and a first outlet 18; a second primary heating line 22 having a second inlet 9 and a second outlet 8; a heating device for heating the first main heat supply pipeline 21; a flow distributor 5, arranged on the first main heat supply pipeline 21, between the heating device and the first outlet 18; an auxiliary heat supply pipeline 20, one end of which is communicated with the auxiliary port of the flow distributor 5, and the other end of which is communicated with the first inlet 19; and the heat storage heat exchanger 6 is arranged on the auxiliary heat supply pipeline 20, the heat storage heat exchanger 6 comprises a heat storage medium, and the heat storage medium absorbs the heat of the auxiliary heat supply pipeline 20 to exchange heat with the second main heat supply pipeline 22.

By arranging the flow distributor 5, the first main heat supply pipeline 21 and the second main heat supply pipeline 22, the flow distributor 5 distributes water of the first main heat supply pipeline 21 heated by the heating device to supply heat required by the first aspect and heat required by the second aspect, for example, in the using process, the first inlet 19 can be communicated with a water return pipe of the heating pipeline 11, the first outlet 18 is communicated with a water supply pipe of the heating pipeline 11, the second inlet 9 is communicated with a water return pipe of domestic water, and the second outlet 8 is communicated with a water supply pipe of the domestic water, so as to realize the simultaneous supply of heating water and domestic water (the domestic water comprises sanitary water, kitchen water and the like); meanwhile, as the heat storage heat exchanger 6 is arranged on the auxiliary heat supply pipeline 20, the heat storage medium in the heat storage heat exchanger 6 absorbs the heat of the auxiliary heat supply pipeline 20 to exchange heat with the second main heat supply pipeline 22, so that the heat storage medium absorbs the heat of the water heated by the heating device and is stored, when a user has a demand, the water faucet is opened at any time, the domestic cold water flowing in through the second inlet 9 can directly exchange heat with the heat stored in the heat storage medium in the heat storage heat exchanger 6, waiting is not needed, the heating is more timely, and because of the stored heat of the heat storage medium, even if the user simultaneously opens a plurality of water faucets, the demand can be met, the influence of the water pressure and the water flow of the user is small, namely when the user opens the water faucet, the hot water can be directly obtained, and the problem that the machine set is frequently opened due to the small water, the user experience is improved.

In order to improve the heat storage effect of the heat storage heat exchanger 6, the wall-hanging stove in this embodiment further includes a heat preservation structure disposed on the outer wall of the heat storage heat exchanger 6. Through set up insulation construction on heat accumulation heat exchanger 6's outer wall, prevent that the heat outwards scatters and disappears too much. Specifically, the heat insulating structure in this embodiment is a heat insulating layer, such as heat insulating foam, laid on the outer wall of the heat storage heat exchanger 6. As an alternative embodiment, a heat retaining device may be provided outside the outer wall of the heat storage heat exchanger 6.

The heat storage medium in this embodiment is water. The heat storage medium is set to be water, so that the heat storage effect is met, and meanwhile, the heat storage medium is convenient to obtain. As an alternative embodiment, the heat storage medium may be a sensible heat storage material or a phase change heat storage material of other materials, such as molten salts, paraffins, and ester acids.

The heating device in this embodiment includes a burner 3 and a main heat exchanger 2, and the high-temperature flue gas generated by the burner 3 heats the pipeline of the first main heat supply pipeline 21 in the main heat exchanger 2. As an alternative embodiment, the heating device may not use the burner 3 for heating, but use another heating device to perform the heating function, such as electric heating.

The wall-hanging stove in this embodiment further includes an auxiliary branch 1, one end of which is connected to a pipeline of the first main heat supply pipeline 21 between the flow distributor 5 and the first outlet 18, and the other end of which is connected to a pipeline of the auxiliary heat supply pipeline 20 between the heat storage heat exchanger 6 and the first inlet 19. Through setting up supplementary branch 1 for the hanging stove is in the heating of simultaneous supply and domestic water in-process, if the heat that heat accumulation heat exchanger 6 stored still has remaining after supplying domestic water to supply to heating water through supplementary branch 1, the utilization ratio of improvement energy.

The hanging stove in this embodiment still includes: the first valve 13 is arranged on the auxiliary branch 1; a second valve 14 is provided in the auxiliary heat supply line 20 between the heat storage heat exchanger 6 and the first inlet 19. Through setting up first valve 13 and second valve 14 for hanging stove is in the heating of supply simultaneously and domestic water in-process, and the operation of connecting in parallel or series connection of two ways of control heating and domestic water that can be very convenient, rational utilization energy.

In order to facilitate automatic control, the wall-hanging stove in this embodiment further includes a controller, and the controller is connected with the first valve 13 and the second valve 14 and is used for controlling the opening and closing of the first valve 13 and the second valve 14. The controller is connected with the first valve 13 and the second valve 14, so that the first valve 13 and the second valve 14 can be automatically controlled to be opened and closed, and the wall-mounted furnace can be fully automatically controlled. As an alternative embodiment, the first valve 13 and the second valve 14 may be manually opened and closed without providing a controller to perform switching between heating and domestic water in parallel or in series.

The auxiliary heat supply pipeline 20 in the embodiment is provided with a first temperature detection device 12 on the pipeline between the heat storage heat exchanger 6 and the first inlet 19, and the first temperature detection device 12 is connected with the controller; when the detected temperature of the first temperature detecting device 12 is higher than the preset heating temperature and the difference between the two temperatures is higher than 5 ℃, the controller controls the first valve 13 to be opened and the second valve 14 to be closed. Through setting up first temperature-detecting device 12, be greater than predetermineeing heating temperature at the detection temperature of first temperature-detecting device 12, and when difference between them is greater than 5 ℃, the first valve 13 of controller control is opened, and second valve 14 is closed for the pipeline series operation of heating water and domestic water, the heat of storage heat exchanger 6 can also have the surplus to supply heating water again on the basis of satisfying domestic water promptly, has guaranteed the make full use of energy.

In this embodiment, the wall-mounted boiler meets the preset temperature in the domestic water, or the detection temperature of the first temperature detection device 12 is less than or equal to the preset heating temperature, and when the difference between the two is less than 5 ℃, the controller controls the first valve 13 to be closed, and the second valve 14 to be opened. The domestic water meets the requirement of the preset temperature, so that heat is not required to be supplied to the domestic water; or when the detected temperature of the first temperature detection device 12 is less than or equal to the heating temperature and the difference between the detected temperature and the heating temperature is less than 5 ℃, the stored heat of the heat storage heat exchanger 6 can only supply domestic water, no redundant energy is supplied for heating water, the controller controls the first valve 13 to be closed, the second valve 14 to be opened, and the heating water and the domestic water are opened to run in a parallel mode, so that the normal running of the wall-mounted furnace is ensured.

In order to guarantee the water pressure balance of each pipeline of hanging stove, the hanging stove in this embodiment still includes water pressure balance pipeline, is connected with first main heat supply pipeline 21, is equipped with expansion tank 17 on the water pressure balance pipeline.

In order to ensure the water circulation of each pipeline of the wall-hanging stove, the wall-hanging stove in this embodiment further includes a water pump 15, which is arranged on the first main heat supply pipeline 21.

In order to facilitate temperature control, the wall-hanging stove in this embodiment further includes a second temperature detection device 4, a third temperature detection device 10, and a fourth temperature detection device 7, and the second temperature detection device 4, the third temperature detection device 10, and the fourth temperature detection device 7 are all electrically connected to the controller. The second temperature detection device 4 is arranged on the first main heat supply pipeline 21 and is positioned between the main heat exchanger 2 and the flow distributor 5, the third temperature detection device 10 is arranged on the first main heat supply pipeline 21 and is positioned between the flow distributor 5 and the first outlet 18, and the fourth temperature detection device 7 is arranged in the heat storage heat exchanger 6. Specifically, the first temperature detection device 12, the second temperature detection device 4, the third temperature detection device 10, and the fourth temperature detection device 7 in the present embodiment are all temperature-sensing bulbs. As an alternative embodiment, the first temperature detection device 12, the second temperature detection device 4, the third temperature detection device 10, and the fourth temperature detection device 7 may be other devices capable of detecting temperature, such as temperature sensors, or any combination of temperature sensing bulbs and temperature sensors.

The controller in this embodiment is connected with flow distributor 5, and the aperture of each port of control flow distributor 5, at the during operation, hanging stove can realize supplying heating water mode alone, supplying domestic water mode alone and supplying heating water and domestic water mode simultaneously, specifically as follows:

1) heating water supply mode alone: as shown in fig. 2, when the wall-mounted boiler is operated in winter, if a user does not have a requirement for domestic hot water, the controller controls the opening degree of the auxiliary port, through which the flow distributor 5 is communicated with the heat storage heat exchanger 6, to be 0, the opening degree of the port, through which the flow distributor 5 is communicated with the first outlet 18, to be maximum, the flow distributor 5 controls all the hot water heated by the burner 3 to be supplied to the heating pipeline 11, the controller controls the first valve 13 and the second valve 14 to be both in a closed state, water in the wall-mounted boiler circulates in the direction indicated by the arrow in fig. 2, and all the hot water heated by the burner 3 flows to the heating pipeline 11 (such as a floor heater or a heat sink) installed indoors to perform heat radiation, so that a mode.

2) Domestic water supply mode alone: as shown in fig. 3, when the wall-hanging stove is operated in summer, since the user has no need for heating, the controller controls the opening degree of the port where the flow distributor 5 is communicated with the first outlet 18 to be 0, the opening degree of the auxiliary port where the flow distributor 5 is communicated with the heat storage heat exchanger 6 is the largest, the flow distributor 5 controls all the hot water heated by the burner 3 to be supplied to the heat storage heat exchanger 6, the controller controls the first valve 13 to be closed, the second valve 14 to be opened, the water in the wall-hanging stove circulates according to the direction indicated by the arrow in fig. 3, all the hot water heated by the burner 3 flows to the heat storage heat exchanger 6, the heat storage medium in the heat storage heat exchanger 6 is heated through the heat transfer of the coil in the heat storage heat exchanger 6, so that the domestic water can be heated, the independent domestic water supply mode can be realized, the set water temperature of the user can be, The problem of frequent opening of the wall-mounted boiler caused by the small water demand such as hand washing.

3) Simultaneous supply of heating water and domestic water mode: when the wall-mounted boiler is operated in winter, when a user has the requirement of domestic hot water and the requirement of heating hot water, the auxiliary port of the flow distributor 5 communicated with the heat storage heat exchanger 6 and the port of the flow distributor 5 communicated with the first outlet 18 are both opened, the flow distributor 5 controls the hot water heated by the burner 3 to be respectively supplied to the heating pipeline 11 and the domestic water pipeline which are operated in parallel, as shown in fig. 4, the controller controls the first valve 13 to be closed, the second valve 14 to be opened, and the water in the wall-mounted boiler circulates according to the direction indicated by the arrow in fig. 4, so that the requirements of the user on heating water and domestic water are met.

Specifically, in order to improve the comfort of the user, the controller controls the flow distributor 5 to preferentially satisfy the demand of domestic water while maximally satisfying the demand of heating water. When a user uses bathroom hot water for a long time, the water temperature in the heat storage heat exchanger 6 is reduced, the set temperature value of the user is different from the actual temperature of the fourth temperature detection device 7, the controller controls the flow of the water pump 15 and the opening of the proportional valve 16 of the burner 3 to be increased, the temperature of the second temperature detection device 4 is increased, the flow distributor 5 is controlled to increase the flow of hot water to the heat storage heat exchanger 6, and when the actual temperature detected by the fourth temperature detection device 7 is lower than the set temperature of the user, the flow of hot water from the flow distributor 5 to the heat storage heat exchanger 6 is continuously increased until the temperature detected by the fourth temperature detection device 7 is equal to the set temperature of the user; and then, whether the actual temperature detected by the third temperature detecting device 10 is lower than the heating temperature set by the user is determined, and when the actual temperature detected by the third temperature detecting device 10 is lower than the heating temperature set by the user, the controller controls the flow distributor 5 to increase the flow of the hot water to the heating pipeline 11 until the actual temperature detected by the third temperature detecting device 10 is equal to the heating temperature set by the user.

When the wall-mounted boiler is in the mode of supplying heating water and domestic water simultaneously, the two flow paths can also be operated in a series connection mode, as shown in fig. 5, the controller controls the opening degree of the port, communicated with the first outlet 18, of the flow distributor 5 to be 0, the opening degree of the auxiliary port, communicated with the heat storage heat exchanger 6, of the flow distributor 5 is the largest, the flow distributor 5 controls all hot water heated by the burner 3 to be supplied to the heat storage heat exchanger 6, the controller controls the first valve 13 to be opened, the second valve 14 to be closed, water in the wall-mounted boiler circulates according to the direction indicated by the arrow in fig. 5, and the hot water heated by the burner 3 exchanges heat with the heat storage medium in the heat storage heat exchanger 6 firstly, and then the residual heat is reused in the heating pipeline. The wall-mounted boiler adopts the operation condition of series connection, namely the water temperature of the auxiliary heat supply pipeline 20 after heat exchange of the heat storage heat exchanger 6 is still higher than the preset heating temperature, and when the difference value between the water temperature and the preset heating temperature is higher than 5 ℃, the residual heat after heat exchange of the heat storage heat exchanger 6 can be effectively used for heating. When the domestic water meets the preset temperature, or the detection temperature of the first temperature detection device 12 is less than or equal to the preset heating temperature, and the difference between the two temperatures is less than 5 ℃, the wall-mounted boiler is automatically switched to the parallel operation mode shown in fig. 4.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A wall hanging stove, comprising:

a first primary heating line (21) having a first inlet (19) and a first outlet (18);

a second primary heating line (22) having a second inlet (9) and a second outlet (8);

a heating device for heating the first main heat supply pipeline (21);

a flow distributor (5) arranged on the first primary heating line (21) between the heating device and the first outlet (18);

an auxiliary heat supply pipeline (20) with one end communicated with the auxiliary port of the flow distributor (5) and the other end communicated with the first inlet (19);

and the heat storage heat exchanger (6) is arranged on the auxiliary heat supply pipeline (20), the heat storage heat exchanger (6) comprises a heat storage medium, and the heat storage medium absorbs the heat of the auxiliary heat supply pipeline (20) and exchanges heat with the second main heat supply pipeline (22).

2. The wall hanging stove according to claim 1, characterized by further comprising a heat insulating structure provided on an outer wall of the heat storage heat exchanger (6).

3. The wall hanging stove according to claim 1, wherein the heat storage medium is water.

4. The wall hanging stove according to claim 1, characterized in that the heating device comprises a burner (3) and a main heat exchanger (2), and the high temperature flue gas generated by the burner (3) heats the pipeline of the first main heat supply pipeline (21) arranged in the main heat exchanger (2).

5. Wall hanging stove according to any one of claims 1-4, further comprising an auxiliary branch (1) connected at one end to the first primary heating line (21) between the flow distributor (5) and the first outlet (18) and at the other end to the auxiliary heating line (20) between the heat storage heat exchanger (6) and the first inlet (19).

6. The wall hanging stove of claim 5, further comprising:

the first valve (13) is arranged on the auxiliary branch (1);

a second valve (14) arranged on the auxiliary heat supply line (20) in a line between the heat storage heat exchanger (6) and the first inlet (19).

7. The wall hanging stove according to claim 6, further comprising a controller connected to the first and second valves (13, 14) for controlling the opening and closing of the first and second valves (13, 14).

8. The wall hanging stove according to claim 7, characterized in that the auxiliary heat supply pipeline (20) is provided with a first temperature detection device (12) on the pipeline between the heat storage heat exchanger (6) and the first inlet (19), the first temperature detection device (12) being connected with the controller;

when the detection temperature of the first temperature detection device (12) is higher than the preset heating temperature and the difference between the detection temperature and the preset heating temperature is higher than 5 ℃, the controller controls the first valve (13) to be opened and the second valve (14) to be closed.

9. The hanging stove according to claim 8, characterized in that the controller controls the first valve (13) to close and the second valve (14) to open when domestic water meets a preset temperature or the temperature detected by the first temperature detecting device (12) is less than or equal to a preset heating temperature and the difference between the two is less than 5 ℃.

10. The wall hanging stove according to any one of claims 1 to 4, characterized by further comprising a water pressure balance pipeline connected with the first main heating pipeline (21), wherein an expansion tank (17) is arranged on the water pressure balance pipeline.