CN211503001U - Heating flow control system - Google Patents

Abstract

The utility model relates to a heating flow control system, comprising a regional water supply pipe and a regional return pipe connected with an energy center, the regional water supply and return pipe is connected to the terminal water supply pipe and the terminal return pipe, the regional water supply pipe is provided with an electric regulating valve, and the The end water supply pipe is provided with a temperature sensor and a pressure sensor, the end return pipe is provided with a temperature sensor and a pressure sensor, and the electric regulating valve, the temperature sensor and the pressure sensor are signally connected to the controller. Compared with the prior art, the precise flow control of the regional water supply pipe can be strengthened, and more terminal temperatures and pressures can be considered at the same time, so that the water flow at the supply terminal can be adapted to the terminal conditions in time.

Description

A heating flow control system

technical field

The utility model relates to the field of heating, in particular to a heating flow control system.

Background technique

At present, in the large-scale heating field, pipelines are laid in the same process, and the branch pipes in each heating area are adjusted by manual valves.

Utility model content

The purpose of this utility model is to provide a heating flow control system in order to overcome the above-mentioned defects of the prior art.

The purpose of the present utility model can be achieved through the following technical solutions:

A heating flow control system, comprising a regional water supply pipe and a regional return pipe connected to an energy center, the regional water supply and return pipe is connected to the terminal water supply pipe and the terminal return pipe, the regional water supply pipe is provided with an electric regulating valve, and the terminal water supply pipe is provided with an electric regulating valve. A temperature sensor and a pressure sensor, the end return pipe is provided with a temperature sensor and a pressure sensor, and the electric regulating valve, the temperature sensor and the pressure sensor are signally connected to the controller.

The temperature sensor is located at the corresponding position of the terminal water supply pipe and the terminal return pipe, and the pressure sensor is located at the corresponding position of the terminal water supply pipe and the terminal return pipe.

The regional water supply pipe and the regional water return pipe are respectively provided with temperature sensors.

The heated area has an ambient temperature sensor.

The signals received by the electric regulating valve, the temperature sensor and the pressure sensor are transmitted to the controller through the lora gateway.

There are a plurality of the regional water supply pipes, a plurality of the regional water return pipes, and the plurality of the regional water supply pipes and the plurality of the regional water return pipes are respectively connected to the energy center.

Each of the regional water supply pipes is connected to a plurality of end water supply pipes, and each of the regional water return pipes is connected to a plurality of end water return pipes.

The end return pipe is provided with an electric regulating valve.

Compared with the prior art, the utility model has the following advantages:

(1) The regional water supply pipe is provided with an electric regulating valve, the end water supply pipe is provided with a temperature sensor and a pressure sensor, and the end return water pipe is provided with a temperature sensor and a pressure sensor, so as to strengthen the precise flow control of the regional water supply pipe, and at the same time consider more terminal temperature and pressure. , to balance the pressure and avoid the phenomenon of uneven flow distribution; through the temperature and pressure sensors, the operation of the heating terminal equipment can be monitored in real time, and the equipment faults can be known in time, which is convenient for maintenance; it can improve the efficient operation of the energy supply system and avoid the generation of invalid flow. .

(2) The temperature sensor is located at the corresponding position of the end water supply pipe and the end return pipe, and the pressure sensor is located at the corresponding position of the end water supply pipe and the end return pipe, which can avoid the inaccurate measurement of the temperature difference between the water supply and the return water due to different strokes.

(3) The heating area is equipped with an ambient temperature sensor, which can add ambient temperature information into the flow control to achieve better heating effects.

(4) The signals received by the electric regulating valve, the temperature sensor and the pressure sensor are transmitted to the controller through the lora gateway. The lora gateway is suitable for large heating systems with high transmission rate and low power consumption.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Reference number:

1 is the electric regulating valve; 2 is the temperature sensor; 3 is the pressure sensor; 4 is the heating area; 5 is the heating terminal equipment; 6 is the regional water supply pipe; 7 is the regional return pipe; 8 is the indoor temperature sensor; 9 is the ambient temperature sensor.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and provides a detailed implementation manner and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

Example

This embodiment provides a heating flow control system, including a regional water supply pipe 6 and a regional return pipe 7 connected to the energy center, the regional water supply and return pipe is connected to the terminal water supply pipe and the terminal return pipe, and the regional water supply pipe 6 is provided with an electric regulating valve 1, The end water supply pipe is provided with temperature sensor 2 and pressure sensor 3, the end return water pipe is provided with temperature sensor 2 and pressure sensor 3, the electric regulating valve 1, temperature sensor 2 and pressure sensor 3 are connected to the signal of the controller, and the regional water supply pipe 6 and the regional return water pipe 7. A temperature sensor 2 is installed respectively, an ambient temperature sensor 9 is installed in the heating area 4, an indoor temperature sensor 8 is installed indoors, and an electric regulating valve 1 is installed in the end return pipe; it can strengthen the precise flow control of the regional water supply pipe, and at the same time consider more changes. There are many terminal temperatures and pressures to balance the pressure and avoid the phenomenon of uneven flow distribution; through the temperature and pressure sensors, the operation of the heating terminal equipment can be monitored in real time, and the equipment faults can be known in time for easy maintenance; it can improve the efficient operation of the energy supply system , to avoid the generation of invalid traffic.

The temperature sensor 2 is located at the corresponding position of the terminal water supply pipe and the terminal return pipe, and the pressure sensor 3 is located at the corresponding position of the terminal water supply pipe and the terminal return pipe; it can avoid the inaccurate measurement of the temperature difference between the water supply and the return water due to different strokes.

The signals received by the electric regulating valve 1, the temperature sensor 2 and the pressure sensor 3 are transmitted to the controller through the lora gateway; the lora gateway is suitable for large heating systems, with high transmission rate and low power consumption.

There are a plurality of regional water supply pipes 6 and a plurality of regional water return pipes 7, and the plurality of the regional water supply pipes 6 and the plurality of the regional water return pipes 7 are respectively connected to the energy center.

Each of the regional water supply pipes 6 is connected to a plurality of terminal water supply pipes, and each of the regional water return pipes 7 is connected to a plurality of terminal water return pipes.

The controller is a commonly used controller in the heating field.

work method:

The hot water in the energy center enters the terminal water supply pipe through the regional water supply pipe 6, and the terminal water supply pipe passes the hot water to the heating terminal equipment 5, thereby releasing heat to the heating area, and the heat diffuses from the heating area to the whole room; When the temperature of the hot water is lowered, it passes through the end return pipe to the regional return pipe 7, and then enters the energy center for heating again. During this period, the temperature sensor 2 of the regional water supply pipe 6 and the regional return water pipe 7 transmits the temperature difference signal to the controller, and the controller adjusts the electric regulating valve 1 of the regional water supply pipe 6 according to the temperature difference signal, so as to perform primary flow regulation, such as supplying When the return water temperature difference is small, the cooling capacity supplied has exceeded the required cooling capacity, and the opening degree of the electric regulating valve 1 at 6 of the regional water supply pipe is reduced to reduce the supply water flow; the temperature sensor 2 of the end water supply pipe and the end return water pipe, the end water supply The pressure sensor 3 of the pipe and the end return pipe, the indoor temperature sensor 8 and the ambient temperature sensor 9 of the heated area 4 act together on the electric regulating valve 1 of the end return pipe through the controller to realize secondary flow control.

Claims (8)

1. The utility model provides a heating flow control system, includes regional delivery pipe (6) and regional wet return (7) of being connected with the energy center, regional confession wet return intercommunication terminal delivery pipe and terminal wet return, its characterized in that, regional delivery pipe (6) set up electrical control valve (1), terminal delivery pipe sets up temperature sensor (2) and pressure sensor (3), terminal wet return sets up temperature sensor (2) and pressure sensor (3), electrical control valve (1), temperature sensor (2) and pressure sensor (3) and controller signal connection.

2. The heating flow control system according to claim 1, wherein the temperature sensor (2) is located at a position corresponding to the terminal water supply pipe and the terminal water return pipe, and the pressure sensor (3) is located at a position corresponding to the terminal water supply pipe and the terminal water return pipe.

3. The heating flow control system according to claim 1, wherein the district water supply pipe (6) and the district water return pipe (7) are provided with temperature sensors (2), respectively.

4. Heating flow control system according to claim 1, characterised in that the heated area (4) is provided with an ambient temperature sensor (9).

5. Heating flow control system according to claim 1, characterized in that the signals received by the electrical regulating valve (1), the temperature sensor (2) and the pressure sensor (3) are transmitted to the controller through a lora gateway.

6. The heating flow control system according to claim 1, wherein the district water supply pipe (6) has a plurality of pipes, the district water return pipe (7) has a plurality of pipes, and the plurality of the district water supply pipes (6) and the plurality of the district water return pipes (7) are connected to the energy center, respectively.

7. The heating flow control system according to claim 6, wherein each of the district water supply pipes (6) communicates with a plurality of terminal water supply pipes, and each of the district water return pipes (7) communicates with a plurality of terminal water return pipes.

8. The heating flow control system according to claim 1, wherein the end return pipe is provided with an electrically operated control valve (1).

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