Distributed central heating device

Abstract

The utility model belongs to the technical field of heating devices, particularly relates to a distributed central heating device, and aims to solve the problems that the scale cleaning effect is common and a valve needs to be manually controlled to be opened and closed in the background technology, the distributed central heating device comprises a water heating tank, and a top plate is welded to the outer wall of the top of the water heating tank. The top of the outer wall of one side of the top plate is fixedly connected with a servo motor. The electric heating rod can be lifted to the top of the water heating tank, so that the electric heating rod can be separated from the water heating tank to be cleaned outside the water heating tank, the cleaning difficulty is greatly reduced, scale on the surface of the electric heating rod can be thoroughly cleaned by selecting a proper cleaning tool, and the scale cleaning effect is improved; the electromagnetic valve group and the flow meter are fixedly mounted on each water distribution pipe, the flow rate of hot water in each water distribution pipe is independently monitored through the flow meters, the flow rate of the hot water in the water distribution pipes is adjusted in real time through the electromagnetic valves in the electromagnetic valve groups according to the water use requirement, and the energy-saving and emission-reducing water heater has the advantages of saving energy and reducing emission.

Description

Technical Field

[0001] The utility model relates to the technical field of heating devices, in particular to a distributed central heating device. Background Art

[0002] For a distributed central heating device, one or more electric heating water tanks are arranged in a building, and then the electric heating water tanks are provided with a plurality of water outlet pipes, and the water outlet pipes are communicated with the heating equipment (such as radiators) of users, that is, the electric heating water tanks provide a hot water source.

[0003] After retrieval, the patent (application number: 202321026521.5) discloses "a distributed central heating device". The setting of the empty slot during the device can enable the brush plate to avoid the high point of the first connecting rod when scraping the heating rod, so that the brush plate can scrape the scale on the surface of the heating rod more smoothly. In addition, the muddy water scraped in the water heating tank will conveniently drain through any one of the connecting pipes at the bottom of the water collecting frame. This saves a certain amount of manpower compared with the traditional mechanical operation, thus solving the problem that the traditional distributed central heating device is often troublesome to clean. However, the device has the following problems during use:

[0004] First of all, the scale removal structure in the device is arranged inside the device and will be affected by high temperature for a long time, with a short service life. In addition, the scale formed on the surface of the heating rod is relatively hard and it is difficult to clean it thoroughly with a brush, and the cleaning effect is average;

[0005] In addition, the connecting pipes at the bottom of the device not only need to manually control the opening and closing of the valves, but also cannot automatically adjust the flow rate according to the needs of users. Summary of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a distributed central heating device, which overcomes the deficiencies of the prior art and effectively solves the problems of average scale cleaning effect and the need to manually control the opening and closing of valves.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A distributed central heating device includes a water heating tank. The top outer wall of the water heating tank is welded with a top plate, and the top of one side outer wall of the top plate is fixedly connected with a servo motor. The output shaft of the servo motor is fixedly connected with a lead screw, and a connecting frame is screwed on the outer wall of the lead screw. The bottom outer wall of the connecting frame is welded with an electric heating rod;

[0009] The bottom outer wall of the water heating tank is fixedly connected with adjacent water distribution pipes, and solenoid valve groups are installed on the outer walls of the water distribution pipes. Flow meters are installed at the bottoms of the water distribution pipes on the outer walls of the solenoid valve groups.

[0010] Preferably, a sealing ring is provided at the center of the outer wall of the top of the water heating tank, and the size of the electric heating rod is adapted to the size of the sealing ring.

[0011] Preferably, a water inlet pipe is fixedly connected to the top of the outer wall of one side of the water heating tank, and a water level gauge is fixedly connected to the outer wall of one side of the water heating tank.

[0012] Preferably, a thermometer is installed on the outer wall of the other side of the water heating tank.

[0013] Preferably, a fixing ring is welded to the bottom of the outer wall of the water heating tank, and a plurality of support frames are welded to the bottom outer wall of the fixing ring at equal intervals.

[0014] Preferably, an electric control cabinet is fixedly connected to the outer wall of one side of the fixing ring, and the electric control cabinet is connected to the servo motor, the electric heating rod, the solenoid valve group, the flow meter and the thermometer through signal lines.

[0015] The beneficial effects of the present utility model are as follows:

[0016] 1. For the distributed central heating device of this design, the electric heating rod at the bottom of the connecting frame can be controlled to move upward by the rotation of the lead screw driven by the servo motor. The electric heating rod can rise to the top of the water heating tank, so that the electric heating rod can be separated from the water heating tank for cleaning outside it, greatly reducing the cleaning difficulty, and appropriate cleaning tools can be selected to thoroughly clean the scale on the surface of the electric heating rod, which is beneficial to improving the scale cleaning effect;

[0017] 2. For the distributed central heating device of this design, a solenoid valve group and a flow meter are fixedly installed on each sub-water pipe. The flow rate of the hot water in each sub-water pipe is monitored separately by the flow meter, and the flow rate of the hot water in the sub-water pipe is adjusted in real time by the solenoid valves in the solenoid valve group according to the water use requirements, which has the characteristics of energy conservation and emission reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the front view of the overall structure of a distributed central heating device proposed by the present utility model;

[0019] Figure 2 It is the rear view of the overall structure of a distributed central heating device proposed by the present utility model;

[0020] Figure 3 It is the schematic structural diagram of a distributed central heating device proposed by the present utility model when the electric heating rod is separated from the water heating tank.

[0021] In the figure: 1. Water heating tank; 2. Top plate; 3. Servo motor; 4. Lead screw; 5. Connecting frame; 6. Electric heating rod; 7. Sub-water pipe; 8. Solenoid valve group; 9. Flow meter; 10. Sealing ring; 11. Water inlet pipe; 12. Water level gauge; 13. Thermometer; 14. Fixing ring; 15. Support frame; 16. Electric control cabinet. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0023] Embodiment 1. Refer to Figure 3 , a distributed central heating device, including a water heating box 1. A top plate 2 is welded to the outer wall of the top of the water heating box 1, and a servo motor 3 is fixedly connected to the top of the outer wall of one side of the top plate 2. A lead screw 4 is fixedly connected to the output shaft of the servo motor 3, and a connecting frame 5 is screwed to the outer wall of the lead screw 4. An electric heating rod 6 is welded to the outer wall of the bottom of the connecting frame 5.

[0024] In this embodiment, by driving the lead screw 4 to rotate through the servo motor 3, the electric heating rod 6 at the bottom of the connecting frame 5 can be controlled to move upward. The electric heating rod 6 can rise to the top of the water heating box 1, so that the electric heating rod 6 can be separated from the water heating box 1 for cleaning outside it, greatly reducing the cleaning difficulty. Moreover, appropriate cleaning tools can be selected to thoroughly clean the scale on the surface of the electric heating rod 6, which is beneficial to improving the scale cleaning effect.

[0025] Embodiment 2. Refer to Figure 1 , a distributed central heating device. An adjacent water distribution pipe 7 is fixedly connected to the outer wall of the bottom of the water heating box 1, and a solenoid valve group 8 is installed on the outer wall of the water distribution pipe 7. Flow meters 9 are installed at the bottom of the outer wall of the water distribution pipe 7 on both sides of the solenoid valve group 8.

[0026] In this embodiment, a solenoid valve group 8 and a flow meter 9 are fixedly installed on each water distribution pipe 7. The flow rate of the hot water in each water distribution pipe 7 is monitored separately by the flow meter 9, and the flow rate of the hot water in the water distribution pipe 7 is adjusted in real time through the solenoid valves in the solenoid valve group 8 according to the water use requirements, which has the characteristics of energy conservation and emission reduction.

[0027] Refer to Figures 1 to 3 , a sealing ring 10 is arranged at the center of the outer wall of the top of the water heating box 1, and the size of the electric heating rod 6 is adapted to the size of the sealing ring 10.

[0028] Refer to Figures 1 to 2 , a water inlet pipe 11 is fixedly connected to the top of the outer wall of one side of the water heating box 1, and a water level gauge 12 is fixedly connected to the outer wall of one side of the water heating box 1.

[0029] Refer to Figure 1 , a thermometer 13 is installed on the outer wall of the other side of the water heating box 1.

[0030] Refer to Figure 1 , a fixing ring 14 is welded to the bottom of the outer wall of the water heating box 1, and uniformly distributed support frames 15 are welded to the outer wall of the bottom of the fixing ring 14.

[0031] Referring to Figures 1 to 3 , on one outer wall of the fixed ring 14, an electric control cabinet 16 is fixedly connected, and the electric control cabinet 16 is connected to the servo motor 3, the electric heating rod 6, the solenoid valve group 8, the flow meter 9, and the thermometer 13 through signal lines respectively.

[0032] Working principle: Cold water is discharged into the water heating tank 1 through the water inlet pipe 11. The water supply volume inside the water heating tank 1 is monitored by the water level gauge 12. The cold water is heated to the water temperature controlled by the thermometer 13 through the electric heating rod 6. The drainage volume is adjusted by opening the solenoid valves in the solenoid valve group 8. During this process, the flow rate of the hot water in each water distribution pipe 7 is monitored separately by the flow meter 9, and the flow rate of the hot water in the water distribution pipe 7 is adjusted in real time through the solenoid valves in the solenoid valve group 8 according to the water use requirements. When the scale appears on the surface of the electric heating rod 6, resulting in a reduction in heating efficiency, the electric heating rod 6 at the bottom of the connecting frame 5 can be driven to move upward by the servo motor 3 rotating the lead screw 4, so that the electric heating rod 6 rises to the top of the water heating tank 1. At this time, a suitable cleaning tool can be selected to thoroughly clean the scale on the surface of the electric heating rod 6.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A distributed central heating device, including a water heating box (1), characterized in that, The outer wall of the top of the water heating box (1) is welded with a top plate (2), and a servo motor (3) is fixedly connected to the top of the outer wall of one side of the top plate (2). The output shaft of the servo motor (3) is fixedly connected with a lead screw (4), and a connecting frame (5) is screwed on the outer wall of the lead screw (4). A electric heating rod (6) is welded on the outer wall of the bottom of the connecting frame (5); The outer wall of the bottom of the water heating box (1) is fixedly connected with adjacent water distribution pipes (7), and a solenoid valve group (8) is installed on the outer wall of the water distribution pipes (7). Flow meters (9) are installed at the bottoms of the outer walls of the water distribution pipes (7) located at the solenoid valve group (8).

2. The distributed central heating device according to claim 1, characterized in that, A sealing ring (10) is arranged at the center of the outer wall of the top of the water heating box (1), and the size of the electric heating rod (6) is adapted to the size of the sealing ring (10).

3. A distributed central heating device according to claim 1, characterized in that, A water inlet pipe (11) is fixedly connected to the top of the outer wall of one side of the water heating box (1), and a water level gauge (12) is fixedly connected to the outer wall of one side of the water heating box (1).

4. A distributed central heating device according to claim 1, characterized in that, A thermometer (13) is installed on the outer wall of the other side of the water heating box (1).

5. A distributed central heating device according to claim 1, characterized in that, A fixing ring (14) is welded on the outer wall of the bottom of the water heating box (1), and support frames (15) distributed at equal distances are welded on the outer wall of the bottom of the fixing ring (14).

6. The distributed central heating device according to claim 5, characterized in that, A control cabinet (16) is fixedly connected to the outer wall of one side of the fixing ring (14), and the control cabinet (16) is connected to the servo motor (3), the electric heating rod (6), the solenoid valve group (8), the flow meter (9) and the thermometer (13) through signal lines respectively.

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