Central heating electrical automation control device

Abstract

The utility model belongs to the field of heat supply, particularly relates to an electrical automation control device for centralized heat supply, and provides the following scheme aiming at the problem that the normal use is influenced due to the leakage phenomenon at the joint of the existing devices which are connected through flanges and used for a long time. Comprising a heat supply boiler and at least one main heat exchange tube arranged in the heat supply boiler, and the two ends of the main heat exchange tube are arranged outside the heat supply boiler; the input pipe and the output pipe are used for conveying and outputting hot kerosene correspondingly, the two ends of the main heat exchange pipe communicate with communicating pipes, when leakage occurs at the connecting position of the pipes, the main heat exchange pipe can be automatically replaced to a standby pipe, and therefore normal heating of the hot kerosene is prevented from being affected, the two sides of the leakage position can be blocked, and the service life of the hot kerosene is prolonged. Therefore, leakage of more hot kerosene is avoided, and subsequent maintenance of workers is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heating supply technology, especially to a centralized heating electric automation control device. BACKGROUND

[0002] Centralized heating is a heating mode, which is through the steam or hot water generated by the centralized heat source (such as the heat plant or the coal-based boiler room) to meet the heat required by the production, heating and daily life of the region through the pipe network to a city (town) or a certain area;

[0003] For example, the utility model discloses a centralized heating automation control device, through being equipped with heating boiler, hot oil heating system, molten salt heating system, heat exchange system and automatic control system, with the cooperation of hot coal oil system and molten salt system, the device can be quickly started, the automation degree is high, and better centralized heating effect can be realized. However, the hot coal oil of the device is connected with the heating boiler through the pipeline for heating, and the existing connection is mostly connected through the flange. With the use of time, the connection will exist the phenomenon of leakage, which will affect the normal use at this time. UTILITY MODEL CONTENT

[0004] The utility model discloses a centralized heating electric automation control device, which solves the problem of leakage in the connection of the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A centralized heating electric automation control device, comprising a heating boiler and at least one main heat exchange pipe arranged inside the heating boiler, both ends of the main heat exchange pipe are arranged outside the heating boiler;

[0007] Input pipe and output pipe are used for conveying and outputting hot coal oil respectively, both ends of the main heat exchange pipe are communicated with the communication pipe, one end of the two communication pipes is communicated with the input pipe and the output pipe respectively through the electromagnetic three-way valve, the inside of the heating boiler is provided with a secondary heat exchange pipe, and both ends of the secondary heat exchange pipe are communicated with the other end of the two electromagnetic three-way valves respectively;

[0008] The plugging assembly is used for plugging the main heat exchange pipe and the communication pipe, and the plugging assembly is arranged on the outer wall of the communication pipe.

[0009] In a possible design, the plugging assembly comprises two circular tubes, the two circular tubes are respectively fixedly sleeved on the outer walls of the main heat exchange pipe and the communication pipe, outer walls of the circular tubes are fixedly communicated with containing shells, the outer walls of the main heat exchange pipe and the communication pipe are respectively provided with through holes, and the two through holes are respectively communicated with the two containing shells, and the containing shells are slidably provided with a plugging plate inside.

[0010] In a possible design, a sliding rod is fixedly arranged on the surface of the plugging plate, and one end of the sliding rod slidably penetrates the containing shell.

[0011] In a possible design, the plugging assembly further comprises two sealing shells, the two sealing shells are respectively located on opposite sides of the connection between the main heat exchange pipe and the communication pipe, outer walls of the sealing shells are fixedly provided with a connecting rod, and the other end of the connecting rod is fixedly sleeved on the outer wall of the sliding rod.

[0012] In a possible design, the two containing shells are oppositely arranged.

[0013] In a possible design, the main heat exchange pipe is provided with a pressure detector.

[0014] In the application, when in use, hot kerosene is transported to the inside of the main heat exchange pipe through the input pipe and the corresponding communication pipe, and then heated by the heat supply boiler, and then output through another communication pipe and the output pipe. When leakage occurs at the connection between the main heat exchange pipe and the communication pipe during daily use, the pressure detector detects that the pressure inside the pipe decreases, so that the electromagnetic three-way valve is used to transport the hot kerosene through the auxiliary heat exchange pipe for heat exchange operation, and the sliding rod is driven to move by the external driving member, such as an electric telescopic rod, so that the plugging plate is driven to move, so that the two sides of the connection are plugged, and the two sealing shells are moved towards each other through the connecting rod, so that the connection is covered, so as to avoid the hot kerosene from dropping to the ground or other equipment. When the maintenance personnel arrive, the sealing shells can be removed for maintenance operation.

[0015] In the application, the centralized heat supply electrical automation control device can plug both ends when leakage occurs, so as to avoid more liquid leakage, and also facilitate maintenance personnel to perform maintenance operation.

[0016] In the application, the centralized heat supply electrical automation control device can cover the leakage when leakage occurs, so as to avoid the liquid inside from dropping to the ground or other equipment to cause unnecessary loss and pollution.

[0017] The utility model discloses a kind of automatic replacement of pipeline when leakage occurs in the connection of pipeline, to avoid affecting the normal heating of hot kerosene, and the two sides of leakage are sealed, to avoid more hot kerosene leakage and facilitate subsequent maintenance of staff. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a kind of process flow schematic diagram of centralized heating electric automation control device heating boiler;

[0019] Figure 2 The utility model provides a kind of three-dimensional structure schematic diagram of centralized heating electric automation control device plugging assembly;

[0020] Figure 3 The utility model provides a kind of cross-sectional structure schematic diagram of centralized heating electric automation control device plugging assembly.

[0021] In the drawing: 1, heating boiler;2, main heat exchange pipe;3, vice heat exchange pipe;4, communication pipe;5, electromagnetic three-way valve;6, input pipe;7, output pipe;8, pressure detector;9, sealing shell;10, connecting rod;11, sliding rod;12, containing shell;13, round pipe;14, plugging plate;15, through-hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Embodiment 1

[0024] Referring to Figures 1-2 An automatic control device includes: heating boiler 1, main heat exchange pipe 2, vice heat exchange pipe 3, communication pipe 4, electromagnetic three-way valve 5, input pipe 6, output pipe 7, plugging assembly and pressure detector 8 and other components.

[0025] Heating boiler 1 is used as main heating equipment, and at least one main heat exchange pipe 2 is arranged in the heating boiler 1. The two ends of the main heat exchange pipe 2 extend to the outside of the heating boiler 1, so as to be connected with the input pipe 6 and the output pipe 7, and the input pipe 6 and the output pipe 7 are used for conveying and outputting hot kerosene into the main heat exchange pipe 2 and the vice heat exchange pipe 3 respectively.

[0026] At both ends of the main heat exchange pipe 2, the communication pipes 4 are communicated respectively. One end of the two communication pipes 4 is communicated with the input pipe 6 and the output pipe 7 through the electromagnetic three-way valve 5 respectively, and the other end is communicated with the auxiliary heat exchange pipe 3. Through the switching of the electromagnetic three-way valve 5, the flow switching of the hot oil between the main heat exchange pipe 2 and the auxiliary heat exchange pipe 3 can be realized, so as to realize the flexible adjustment of the internal temperature of the heat supply boiler 1.

[0027] Specifically, the hot oil is transported to the inside of the main heat exchange pipe 2 through the input pipe 6 and the corresponding communication pipe 4, and then heated through the heat supply boiler 1, and then output through another communication pipe 4 and the output pipe 7. When the connection between the main heat exchange pipe 2 and the communication pipe 4 leaks during daily use, the hot oil can be transported and heat exchanged through the auxiliary heat exchange pipe 3 through the electromagnetic three-way valve 5, so as to ensure the normal use of the device.

[0028] The present application can be used in the field of heating and heat supply, and can also be used in other fields applicable to the present application.

[0029] Embodiment 2

[0030] Reference Figure 3 On the basis of embodiment 1, an improvement: a centralized heat supply electric automatic control device is applied to the field of heating and heat supply, and the plugging assembly includes two circular pipes 13, which are respectively fixedly sleeved on the outer walls of the main heat exchange pipe 2 and the communication pipe 4. The outer wall of the circular pipe 13 is fixedly communicated with the containing shell 12. The outer walls of the main heat exchange pipe 2 and the communication pipe 4 are both provided with through holes 15, which are communicated with the two containing shells 12 respectively. The inside of the containing shell 12 is slidably provided with a plugging plate 14.

[0031] Further, the surface of the plugging plate 14 is fixedly provided with a sliding rod 11, one end of the sliding rod 11 slidably penetrates the containing shell 12. In this way, by moving the sliding rod 11, the plugging plate 14 can be conveniently slid in the containing shell 12. In addition, two sealing shells 9 are also provided, which are located on opposite sides of the connection between the main heat exchange pipe 2 and the communication pipe 4. The outer wall of the sealing shell 9 is fixedly provided with a connecting rod 10, and the other end of the connecting rod 10 is fixedly sleeved on the outer wall of the sliding rod 11.

[0032] Specifically, when the connection between the main heat exchange pipe 2 and the communication pipe 4 leaks during daily use, the sliding rod 11 is moved by an external driving member, such as an electric telescopic rod, and the sliding rod 11 drives the plugging plate 14 to move, so that the two sides of the connection are plugged, and the two sealing shells 9 are also moved towards each other through the connecting rod 10, so that the connection is covered, so as to avoid the hot oil from falling to the ground or other equipment. When the maintenance personnel arrive, the sealing shell 9 can be removed for maintenance operation.

[0033] A pressure detector 8 is arranged on the main heat exchange pipe 2. The pressure detector 8 can be used to monitor the pressure inside the main heat exchange pipe 2 in real time, so as to detect whether a leakage occurs.

[0034] The round pipe 13 can be composed of two half round shells, so as to be mounted on the outer wall of the pipe. The sealing shell 9 and the connecting rod 10 can be connected through existing threads, so that the maintenance personnel can dismount the sealed sealing shell 9 to perform maintenance operation on the connection.

[0035] The plugging assembly can also be mounted on other pipe connections for use.

[0036] However, as known by those skilled in the art, the working principle and wiring method of the heat supply boiler 1 and the pressure detector 8 are common, and they belong to conventional means or common general knowledge, which will not be described herein, and those skilled in the art can select and arrange them according to their needs or convenience.

[0037] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive 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 centralized heating electric automatic control device, characterized in that, The utility model relates to a heat supply boiler and at least one main heat exchange pipe (2) arranged inside the heat supply boiler (1), both ends of the main heat exchange pipe (2) are arranged outside the heat supply boiler (1), an input pipe (6) and an output pipe (7) are arranged for conveying and outputting hot kerosene respectively, both ends of the main heat exchange pipe (2) are communicated with a communicating pipe (4), one end of the two communicating pipes (4) is communicated with the input pipe (6) and the output pipe (7) respectively through an electromagnetic three-way valve (5), the inside of the heat supply boiler (1) is provided with a secondary heat exchange pipe (3), and both ends of the secondary heat exchange pipe (3) are communicated with the other end of the two electromagnetic three-way valves (5) respectively, a blocking assembly is arranged for blocking the main heat exchange pipe (2) and the communicating pipe (4), and the blocking assembly is arranged on the outer wall of the communicating pipe (4). The blocking assembly comprises two circular pipes (13), the two circular pipes (13) are fixedly sleeved on the outer walls of the main heat exchange pipe (2) and the communicating pipe (4) respectively, the outer wall of the circular pipe (13) is fixedly communicated with a containing shell (12), the outer walls of the main heat exchange pipe (2) and the communicating pipe (4) are provided with through holes (15), and the two through holes (15) are communicated with the two containing shells (12) respectively, and the containing shell (12) is slidably provided with a blocking plate (14) inside. The surface of the blocking plate (14) is fixedly provided with a sliding rod (11), and one end of the sliding rod (11) slidably penetrates the containing shell (12). The blocking assembly further comprises two sealing shells (9), the two sealing shells (9) are arranged on opposite sides of the connecting part of the main heat exchange pipe (2) and the communicating pipe (4) respectively, the outer wall of the sealing shell (9) is fixedly provided with a connecting rod (10), and the other end of the connecting rod (10) is fixedly sleeved on the outer wall of the sliding rod (11).

2. The centralized heating electric automation control device according to claim 1, wherein, The two containing shells (12) are arranged oppositely.

3. The centralized heating electric automation control device according to claim 2, wherein, The main heat exchange pipe (2) is provided with a pressure detector (8).

4. The centralized heating electric automation control device according to claim 3, wherein, ​ 5. The centralized heating electric automation control device according to claim 4, wherein, ​ 6. The centralized heating electric automation control device according to claim 1, wherein, ​

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