Hot water circulating device for central heating

Abstract

The utility model discloses a hot water circulating device for central heating, which belongs to the technical field of central heating and comprises a heat preservation shell, a heating box is fixedly connected to the bottom of an inner cavity of the heat preservation shell, and a heat preservation box is fixedly connected to the bottom of the inner cavity of the heat preservation shell. The heating box, the heat preservation box and the water storage box are arranged in the inner cavity of the heat preservation shell, the water storage box is used for temporarily storing backflow water, the first electric heating bar in the inner cavity of the heating box is used for heating the backflow water in the inner cavity of the heating box, and therefore the backflow water becomes hot water with the temperature needed by heat supply again. The heat preservation box is used for storing heated water, meanwhile, a second electric heating rod is used for conducting heat preservation on water in an inner cavity of the heat preservation box, hot water is provided for a heating radiator in a user home through cooperation of a second water pump, a water pumping pipe and a water supply pipe, and it is guaranteed that the temperature of the hot water supplied to the heating radiator is kept constant.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of central heating, more particularly to a hot water circulating device for central heating. BACKGROUND

[0002] In the central heating process, the heated water source is discharged to each household, the heat exchange between the hot water temperature and the indoor environment is formed to form the heating work, and the water source after heat exchange is circulated to the heating position to form the circulating heating treatment.

[0003] After retrieval, the utility model with publication number CN215570785U discloses a high-temperature hot water circulating heating system, which comprises a bottom plate, a heat preservation cover is installed on the top outer wall of the bottom plate, a heating box is installed on one end of the top outer wall of the bottom plate through a first mounting bracket, first electric heating rods are installed on the bottom inner wall of the heating box at equal distances, a water pump is installed on the top outer wall of the heating box, a water temperature sensor is embedded on the top outer wall of the heating box, and a preheating box is installed on the other end of the top outer wall of the bottom plate through a second mounting bracket; after one circle of hot water flow, the warm water will first flow into the preheating box, be preheated to become 70℃ hot water, and then flow into the heating box, so as to avoid the direct mixing of warm water and hot water to reduce the temperature of the hot water and effectively improve the heating effect; the heat on the heating box and the preheating box is not easily dissipated by setting the heat preservation cover, and the heating speed of the water is accelerated.

[0004] However, the above-mentioned patent still has the following disadvantages: although the preheating box can preheat the backflow water, it is difficult to heat the water in the preheating box to the required temperature, and when the backflow water in the preheating box enters the heating box, it will affect the water temperature in the heating box, affecting the continuous supply of water to the user's household radiator, and when the heating water flows in the heating pipeline, iron filings and other impurities will be generated in the heating water, affecting the subsequent recycling of the heating water, therefore, the utility model provides a hot water circulating device for central heating. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model aims to provide a hot water circulating device for central heating.

[0006] In order to solve the above problems, the utility model discloses the following technical scheme: a central heating hot water circulating device, including the heat preservation shell, the bottom of the inner chamber of heat preservation shell is fixedly connected with heating box, the bottom of the inner chamber of heat preservation shell is fixedly connected with heat preservation box, the inner chamber of heat preservation shell and be located heating box and heat preservation box's top fixedly connected with the water storage tank, one side of heat preservation shell is provided with filter mechanism, the other side of heat preservation shell is provided with pumping mechanism, the bottom surface fixed mounting of water storage tank inner chamber has electric control valve, the top of electric control valve extends to the inner chamber of water storage tank, the bottom of electric control valve is fixedly connected with inlet pipe, the end portion fixed sleeve of inlet pipe is connected to the inner chamber of heating box, the side surface fixed mounting of heating box has first water pump, the input of first water pump extends to the bottom of heating box inner chamber, the output of first water pump is fixedly connected with water pipe, the end portion fixed sleeve of water pipe is connected to the top of heat preservation box inner chamber, the upper portion of heating box inner chamber is provided with first water level sensor, the inner wall fixed mounting of heating box has first temperature sensor, the inner chamber of heating box is provided with a plurality of first electric heating rod, the inner chamber of heat preservation box is provided with second electric heating rod, the upper portion of heat preservation box inner chamber is provided with second water level sensor, the inner wall of heat preservation box is provided with second temperature sensor.

[0007] As a preferred scheme of the utility model, the filter mechanism includes a filter box fixedly connected to one side of the heat preservation shell, a return pipe fixedly sleeved to one side of the filter box, an end of the return pipe fixedly sleeved to the inner chamber of the water storage tank, a backwater pipe fixedly sleeved to the other side of the filter box, a box cover mounted to the top surface of the filter box, filter cotton sleeved to the inner chamber of the filter box, a filter groove provided to the end surface of the filter cotton, the side surface of the filter cotton and the inner wall of the filter box being in abutment, and the top surface of the filter cotton and the bottom surface of the box cover being in abutment.

[0008] As a preferred scheme of the utility model, the pumping mechanism includes a second water pump fixedly installed to the other side of the heat preservation shell, a pumping pipe fixedly connected to the input end of the second water pump, an end of the pumping pipe fixedly sleeved to the inner chamber of the heat preservation box, and a water supply pipe fixedly connected to the output end of the second water pump.

[0009] As a preferred scheme of the utility model, a controller is fixedly installed to the front of the heat preservation shell, and the controller is electrically connected with the second water pump, the electric control valve, the first water pump, the first electric heating rod, the second electric heating rod, the first water level sensor, the first temperature sensor, the second water level sensor, and the second temperature sensor.

[0010] As a preferred scheme of the utility model, a plurality of threaded seats are respectively provided to the two sides of the top end of the filter box, a plurality of mounting seats are fixedly connected to the side surface of the box cover, a plurality of bolts are sleeved to the mounting seats, and the bottom ends of the bolts are threadedly sleeved to the threaded seats.

[0011] As a preferred scheme of the utility model, the top surface of the filter box is provided with a sealing insertion slot, the bottom surface of the box cover is fixedly connected with a sealing insertion frame, the bottom end of the sealing insertion frame is movably sleeved to the inner cavity of the sealing insertion slot, and the side surface of the sealing insertion frame is attached to the inner wall of the sealing insertion slot.

[0012] Compared with the prior art, the utility model has the advantages that in the utility model, the heating box, the heat preservation box and the water storage box are arranged in the inner cavity of the heat preservation shell, the water storage box is used for temporarily storing the backflow water, the first electric heating rod in the inner cavity of the heating box is used for heating the backflow water in the inner cavity of the heating box, so that the backflow water becomes hot water with the temperature required for heating again, the heat preservation box is used for storing the heated water, the second electric heating rod is used for heat preserving the water in the inner cavity of the heat preservation box, the second water pump, the water suction pipe and the water supply pipe are cooperated to provide the hot water to the radiator in the user's home, and the temperature of the hot water supplied to the radiator is kept constant.

[0013] In the utility model, when the water in the radiator is guided back through the backwater pipe, the filter cotton in the inner cavity of the filter box is used for filtering the impurities in the backflow water, the function of cleaning the impurities in the backflow water is realized, the impurities filtered in the filter slot at the end of the filter cotton can be cleaned by detaching the box cover, the filtering effect of the filter cotton is ensured, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model;

[0015] Figure 2 It is the whole sectional view schematic view of the utility model;

[0016] Figure 3 It is the sectional view schematic view of the filter box of the utility model;

[0017] Figure 4 It is the split schematic view of the filter mechanism of the utility model.

[0018] Explanation of reference numerals in the drawing: 1, heat preservation shell; 2, filter mechanism; 3, heating box; 4, heat preservation box; 5, water storage box; 6, water pumping mechanism; 7, electric control valve; 8, water inlet pipe; 9, first water pump; 10, water guide pipe; 11, first electric heating rod; 12, second electric heating rod; 13, first water level sensor; 14, first temperature sensor; 15, second water level sensor; 16, second temperature sensor; 17, filter box; 18, box cover; 19, backflow pipe; 20, backwater pipe; 21, filter cotton; 22, filter slot; 23, threaded seat; 24, mounting seat; 25, bolt; 26, sealing insertion slot; 27, sealing insertion frame; 28, second water pump; 29, water suction pipe; 30, water supply pipe; 31, controller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0020] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. Embodiment 1

[0022] Please refer to Figures 1-4The utility model provides a kind of central heating hot water circulating device, including heat preservation shell 1, the bottom of the inner chamber of heat preservation shell 1 is fixedly connected with heating box 3, the bottom of the inner chamber of heat preservation shell 1 is fixedly connected with heat preservation box 4, the inner chamber of heat preservation shell 1 and located the top of heating box 3 and heat preservation box 4 is fixedly connected with water storage tank 5, one side of heat preservation shell 1 is provided with filter mechanism 2, the other side of heat preservation shell 1 is provided with pumping mechanism 6, the bottom surface of the inner chamber of water storage tank 5 is fixedly installed with electric control valve 7, the top of electric control valve 7 extends to the inner chamber of water storage tank 5, the bottom of electric control valve 7 is fixedly connected with inlet pipe 8, the end of inlet pipe 8 is fixedly sleeved to the inner chamber of heating box 3, the side of heating box 3 is fixedly installed with first water pump 9, the input end of first water pump 9 extends to the bottom of the inner chamber of heating box 3, the output end of first water pump 9 is fixedly connected with water guide pipe 10, the end of water guide pipe 10 is fixedly sleeved to the top of the inner chamber of heat preservation box 4, the upper portion of the inner chamber of heating box 3 is provided with first water level sensor 13, the inner wall of heating box 3 is fixedly installed with first temperature sensor 14, the inner chamber of heating box 3 is provided with a plurality of first electric heating rod 11, the inner chamber of heat preservation box 4 is provided with second electric heating rod 12, the upper portion of the inner chamber of heat preservation box 4 is provided with second water level sensor 15, the inner wall of heat preservation box 4 is provided with second temperature sensor 16.

[0023] In the embodiment, the water level in the inner chambers of the heating box 3 and the heat preservation box 4 is detected by the first water level sensor 13 and the second water level sensor 15, and the water temperature in the inner chambers of the heating box 3 and the heat preservation box 4 is detected by the first temperature sensor 14 and the second temperature sensor 16. In addition, the top of the heating box 3, the heat preservation box 4, the water storage tank 5 and the heat preservation shell 1 are all provided with air vents to avoid negative pressure in the inner chambers of the heating box 3, the heat preservation box 4 and the water storage tank 5, and to ensure that the heating water can flow smoothly. This is a common technology, and thus no further description is provided.

[0024] Specifically, referring to Figures 1 to 4 , the filter mechanism 2 includes a filter box 17 fixedly connected to one side of the heat preservation shell 1, a backflow pipe 19 fixedly sleeved to one side of the filter box 17, the end of the backflow pipe 19 fixedly sleeved to the inner chamber of the water storage tank 5, a backwater pipe 20 fixedly sleeved to the other side of the filter box 17, a box cover 18 installed to the top surface of the filter box 17, a filter cotton 21 sleeved to the inner chamber of the filter box 17, a filter groove 22 provided to the end surface of the filter cotton 21, the side surface of the filter cotton 21 and the inner wall of the filter box 17 abut, and the top surface of the filter cotton 21 and the bottom surface of the box cover 18 abut.

[0025] In the embodiment, the end of the backwater pipe 20 is connected to the water outlet end of the radiator in the user's home, so as to guide the low-temperature water in the radiator out, and the impurities in the backflow water are filtered by the filter cotton 21.

[0026] Specifically, referring to Figure 1 and Figure 2The water pumping mechanism 6 comprises a second water pump 28 fixedly installed on the other side of the heat preservation shell 1, and the input end of the second water pump 28 is fixedly connected with a water pumping pipe 29, the end of the water pumping pipe 29 is fixedly sleeved into the inner cavity of the heat preservation box 4, and the output end of the second water pump 28 is fixedly connected with a water supply pipe 30.

[0027] In the embodiment, the end of the water supply pipe 30 is connected with the water inlet end of the radiator in the user's home, so as to guide the hot water into the radiator to heat the user's home.

[0028] Specifically, please refer to Figures 1 to 2 The front surface of the heat preservation shell 1 is fixedly installed with a controller 31, and the controller 31 is electrically connected with the second water pump 28, the electric control valve 7, the first water pump 9, the first electric heating rod 11, the second electric heating rod 12, the first water level sensor 13, the first temperature sensor 14, the second water level sensor 15 and the second temperature sensor 16.

[0029] In the embodiment, the controller 31 is used for controlling the first electric heating rod 11, the second electric heating rod 12, the second water pump 28, the electric control valve 7 and the first water pump 9, and the controller 31 is used for processing the information detected by the first water level sensor 13, the first temperature sensor 14, the second water level sensor 15 and the second temperature sensor 16.

[0030] Specifically, please refer to Figure 4 The top end of the filter box 17 is provided with a plurality of threaded seats 23 on both sides, the side surface of the box cover 18 is fixedly connected with a plurality of mounting seats 24, a plurality of bolts 25 are sleeved on the mounting seats 24, and the bottom end of the bolt 25 is threadedly sleeved with the threaded seat 23.

[0031] In the embodiment, the threaded seat 23, the mounting seat 24 and the bolt 25 are matched to install the box cover 18 on the filter box 17.

[0032] Specifically, please refer to Figure 4 The top surface of the filter box 17 is provided with a sealing insertion slot 26, the bottom surface of the box cover 18 is fixedly connected with a sealing insertion frame 27, the bottom end of the sealing insertion frame 27 is movably sleeved into the inner cavity of the sealing insertion slot 26, and the side surface of the sealing insertion frame 27 is matched with the inner wall of the sealing insertion slot 26.

[0033] In the embodiment, the sealing insertion frame 27 and the sealing insertion slot 26 are matched to ensure the sealing property of the box cover 18 installed on the filter box 17.

[0034] Working principle: when using, first, the first electric heating rod 11 is used to heat the water in the inner cavity of the heating box 3, and the second electric heating rod 12 is used to heat the water in the inner cavity of the heat preservation box 4, and the second water pump 28 is started to guide the hot water in the inner cavity of the heat preservation box 4 from the water suction pipe 29 and the water supply pipe 30 to the radiator in the user's home, and the low-temperature water in the radiator flows from the return pipe 20 to the inner cavity of the filter box 17, the filter groove 22 on the filter cotton 21 is used to filter the impurities in the return water, and the filtered water is guided from the return pipe 19 to the inner cavity of the water storage box 5 for storage, then when the first temperature sensor 14 detects that the water temperature in the inner cavity of the heating box 3 reaches the required temperature for heating, the controller 31 is used to control the first water pump 9 to start, and the hot water in the inner cavity of the heating box 3 is pumped to the inner cavity of the heat preservation box 4 through the first water pump 9 and the water guide pipe 10, and the heat generated by the second electric heating rod 12 is used to heat the heating water in the inner cavity of the heat preservation box 4, and the heating water is used to be pumped out for heating, in addition, when the water top surface in the inner cavity of the heat preservation box 4 is detected by the second water level sensor 15, the controller 31 controls the first water pump 9 to be closed, finally, the electric control valve 7 is opened by the controller 31, and the return water collected in the inner cavity of the water storage box 5 is guided to the inner cavity of the heating box 3 through the electric control valve 7 and the water inlet pipe 8, and when the water top surface in the inner cavity of the heating box 3 is detected by the first water level sensor 13, the electric control valve 7 is closed by the controller 31, so that the first electric heating rod 11 is used to continue to heat the return water entering the inner cavity of the heating box 3, so that the circulating water supply in the heating system is realized.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A hot water circulating device for central heating, comprising a heat-insulating outer shell (1), characterized in that: The bottom of the inner cavity of the heat preservation shell (1) is fixedly connected with a heating box (3), the bottom of the inner cavity of the heat preservation shell (1) is fixedly connected with a heat preservation box (4), the inner cavity of the heat preservation shell (1) and above the heating box (3) and the heat preservation box (4) are fixedly connected with a water storage tank (5), one side of the heat preservation shell (1) is provided with a filtering mechanism (2), the other side of the heat preservation shell (1) is provided with a water pumping mechanism (6), the bottom surface of the inner cavity of the water storage tank (5) is fixedly installed with an electric control valve (7), the top end of the electric control valve (7) extends to the inner cavity of the water storage tank (5), the bottom end of the electric control valve (7) is fixedly connected with a water inlet pipe (8), the end of the water inlet pipe (8) is fixedly sleeved into the inner cavity of the heating box (3), the side of the heating box (3) is fixedly installed with a first water pump (9), the input end of the first water pump (9) extends to the bottom of the inner cavity of the heating box (3), the output end of the first water pump (9) is fixedly connected with a water guide pipe (10), the end of the water guide pipe (10) is fixedly sleeved into the top of the inner cavity of the heat preservation box (4), the upper part of the inner cavity of the heating box (3) is provided with a first water level sensor (13), the inner wall of the heating box (3) is fixedly installed with a first temperature sensor (14), the inner cavity of the heating box (3) is provided with a plurality of first electric heating rods (11), the inner cavity of the heat preservation box (4) is provided with a second electric heating rod (12), the upper part of the inner cavity of the heat preservation box (4) is provided with a second water level sensor (15), the inner wall of the heat preservation box (4) is provided with a second temperature sensor (16).

2. A water heating and circulating device for central heating according to claim 1, wherein: The filtering mechanism (2) comprises a filtering box (17) fixedly connected on one side of the heat preservation shell (1), one side of the filtering box (17) is fixedly sleeved with a backflow pipe (19), the end of the backflow pipe (19) is fixedly sleeved into the inner cavity of the water storage tank (5), the other side of the filtering box (17) is fixedly sleeved with a backwater pipe (20), the top surface of the filtering box (17) is installed with a box cover (18), the inner cavity of the filtering box (17) is sleeved with filter cotton (21), the end surface of the filter cotton (21) is provided with a filter groove (22), the side surface of the filter cotton (21) and the inner wall of the filtering box (17) are in abutment, and the top surface of the filter cotton (21) and the bottom surface of the box cover (18) are in abutment.

3. A central heating water circulation device according to claim 2, wherein: The water pumping mechanism (6) comprises a second water pump (28) fixedly installed on the other side of the heat preservation shell (1), the input end of the second water pump (28) is fixedly connected with a water pumping pipe (29), the end of the water pumping pipe (29) is fixedly sleeved into the inner cavity of the heat preservation box (4), and the output end of the second water pump (28) is fixedly connected with a water supply pipe (30).

4. A central heating water circulating device according to claim 3, wherein: The front of the heat preservation shell (1) is fixedly installed with a controller (31), and the controller (31) is electrically connected with the second water pump (28), the electric control valve (7), the first water pump (9), the first electric heating rod (11), the second electric heating rod (12), the first water level sensor (13), the first temperature sensor (14), the second water level sensor (15) and the second temperature sensor (16) respectively.

5. A central heating water circulation device according to claim 2, wherein: The filter box (17) top end two sides are respectively provided with a plurality of threaded seats (23), the side surface of the box cover (18) is fixedly connected with a plurality of mounting seats (24), a plurality of the mounting seats (24) are sleeved with bolts (25), and the bottom end of the bolt (25) is in threaded connection with the threaded seat (23).

6. A central heating water circulation device according to claim 2, wherein: The top surface of the filter box (17) is provided with a sealing slot (26), the bottom surface of the box cover (18) is fixedly connected with a sealing insertion frame (27), the bottom end of the sealing insertion frame (27) is movably connected to the inner cavity of the sealing slot (26), and the side surface of the sealing insertion frame (27) is attached to the inner wall of the sealing slot (26).

Images