CN211084363U

CN211084363U - Time-sharing and zone-dividing control valve group of air conditioning system, control system and air conditioning system

Info

Publication number: CN211084363U
Application number: CN201921934147.2U
Authority: CN
Inventors: 田磊; 史晓蕾; 常松伟
Original assignee: Tdi International Engineering Co ltd
Current assignee: Tdi International Engineering Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-24
Anticipated expiration: 2029-11-11

Abstract

The utility model relates to an air conditioning system timesharing subregion control valve group, control system and air conditioning system, this valve group include water supply pipe, return water pipe, manual shut-off valve, electronic shut-off valve, static hydraulic balance valve, dynamic pressure differential hydraulic balance valve. The utility model discloses an electric shutoff valve control air conditioning system opens regional and opening time, reaches the time sharing subregion control purpose, through the hydraulic power imbalance that static hydraulic balance valve and dynamic pressure difference hydraulic balance valve restrain the undulant pipe network water yield and arouse.

Description

Time-sharing and zone-dividing control valve group of air conditioning system, control system and air conditioning system

Technical Field

The utility model relates to an air conditioning system balances technical field, especially relates to a reach timesharing subregion control valve group and air conditioning system.

Background

The tail end of the air conditioning system is complicated in use requirement, the use time and the use habit are different, a plurality of units for centralized cooling and heating cannot control the opening and closing of tail end equipment in a centralized manner, a large amount of manpower is needed for operation, the common method is to power off and then power on, so that the tail end air conditioning equipment stops working, the method is not convenient to manage, and the defect of one-time cutting exists, and the individual requirements of users cannot be met; another common method is that if one floor of air conditioner is used, the whole building air conditioning water system is circulated, which causes great energy waste.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a timesharing subregion control valve group and air conditioning system among air conditioning system, this valve group can not carry out under the centralized control's the condition to terminal equipment under the prerequisite of terminal equipment transformation, realize entire system's timesharing subregion control and guarantee hydraulic balance, can not cause the hydraulic imbalance of system.

Specifically, the utility model discloses an air conditioning system time-sharing and zoning control valve group, which comprises a water supply pipeline 1, a water return pipeline 2, a manual shut-off valve 3, an electric shut-off valve 4, a static hydraulic balance valve 5 and a dynamic differential pressure hydraulic balance valve 6; the outlet of the electric shutoff valve 4 is connected with the inlet of the static hydraulic balance valve 5; the inlet of the manual shutoff valve 3 is connected with the outlet of the dynamic differential pressure hydraulic balance valve 6; the electric shutoff valve 4 and the static hydraulic balance valve 5 are both arranged on the water supply pipeline 1; the manual shutoff valve 3 and the dynamic differential pressure hydraulic balance valve are both arranged on the water return pipeline 2.

The control valve set is arranged on a main water supply and return pipe of each floor of the building.

The control valve group is arranged on a main water supply and return pipe of each building.

The electric shutoff valve 4 is of an on-off type.

The dynamic differential pressure hydraulic balance valve 6 is provided with a dial.

The air conditioning system is a full water system or an air and water mixing system.

The utility model also discloses a have air conditioning system timesharing subregion control valve group's control system, this system still includes and installs a DDC-FM controller in every building department, and the controller passes through optic fibre and introduces central control room host computer.

The utility model also discloses an air conditioning system who has air conditioning system timesharing subregion control valve group, a serial communication port, air conditioning system is full water system, or, air and water hybrid system.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: in the centralized air-conditioning system, the centralized control of opening and closing of a plurality of system loops can be realized on the premise of not accurately controlling the terminal equipment, the centralized control can be manual operation or automatic control, and under the condition of achieving time-sharing zone control, the energy consumption of the air-conditioning system is greatly reduced, the time-sharing zone control is realized, the energy is saved, the use effect of the terminal user is optimized, and the use experience of the terminal user is improved; especially in the transformation project of old office area, when reducing the human cost, improve system automation control degree, realize intelligent humanized management. Meanwhile, the hydraulic imbalance condition caused by the change of the hydraulic working condition of the system is avoided during zone control.

Drawings

FIG. 1 is a schematic view of a valve assembly of the present invention;

FIG. 2 is a schematic diagram of a system applied to each floor of a single building;

Fig. 3 is a schematic diagram of a system according to the present invention applied between a plurality of cells.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine the embodiment below, it is right the utility model discloses go on further detailed description.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

As shown in fig. 1, a time-sharing and zone-dividing control valve set of an air conditioning system comprises a water supply pipeline 1, a water return pipeline 2, a manual shut-off valve 3, an electric shut-off valve 4, a static hydraulic balance valve 5 and a dynamic differential pressure hydraulic balance valve 6. The outlet of the electric shutoff valve 4 is connected with the inlet of the static hydraulic balance valve 5; the inlet of the manual shutoff valve 3 is connected with the outlet of the dynamic differential pressure hydraulic balance valve 6; the electric shutoff valve 4 and the static hydraulic balance valve 5 are both arranged on the water supply pipeline 1; the manual shutoff valve 3 and the dynamic differential pressure hydraulic balance valve are both arranged on the water return pipeline 2.

The valve group is applied to an air conditioning system, and can set the opening and closing logic of the electric shutoff valve 4 according to time-sharing and partition control requirements, thereby realizing a larger energy-saving effect.

When the tail end of the air conditioning system is a single building, a valve group can be installed on each layer of main pipeline; when the air conditioning system is provided with a plurality of single bodies at the tail end, a valve group can be arranged on each layer of main pipeline, and a valve group can also be arranged on the main pipeline of each single building.

When the tail end of the air conditioning system is provided with a plurality of single bodies, a DDC-FM controller is installed at each building, the controller is led into the central control room host through optical fibers, and control signals of the electric shutoff valve 4 can also be transmitted to the central control room host through a wireless network.

For example, as shown in fig. 2, each office building has 3 floors, each floor of users belongs to different units, and the service time is not completely the same, the valve group is arranged on the main pipeline for supplying and returning water of the air conditioner on each floor of the building, the building property can open the control valve on one floor or a plurality of floors according to the use requirements of the end users, especially for the condition that the end air conditioner is not connected into the building automatic control system, the valve group can effectively control the circulation amount of the circulating water of the air conditioner, and avoid the waste of cold and heat and the waste of the power consumption of the circulating water pump caused by the circulation of the air-conditioned water in the pipeline of the unnecessary floor.

The valve set is applied to an air conditioning system, can realize remote control through an automatic control technology, saves manpower and has visual condition. For example, as shown in fig. 3, 3 single buildings are located in an office area, each single building is far away and belongs to different use units, and the property management unit is difficult to control the air conditioner use habits of end users, which is easy to cause energy waste. The valve set is arranged on a water supply and return main pipe of each single building air conditioner, remote control can be realized, a DDC-FM controller is installed at each building, the controller is led into a central control room host through optical fibers, and control signals of the electric shutoff valve 4 can be transmitted to the central control room host through a wireless network.

After the time-sharing and zone-dividing control valve group of the air conditioning system is installed, all the installed static hydraulic balance valves 5 and all the installed dynamic differential pressure hydraulic balance valves 6 need to be debugged, and initial setting is carried out according to the flow differential pressure at the maximum load of each loop. The dynamic pressure difference hydraulic balance valve 6 is provided with a dial which is used for adjusting the opening of the valve to control the water supply and return pressure difference value, and the initial setting is carried out according to the flow pressure difference at the maximum load of each loop, so that the requirement when the water quantity at the tail end changes is met.

The dynamic differential pressure hydraulic balance valve 6 is arranged on the water return pipeline 2, a pressure guide pipe is connected to the valve, and the other end of the pressure guide pipe is connected with a water supply pipe.

The valves are installed so that the direction of water flow defined by the valves is consistent with the direction of water flow in the system pipes, and the opposite condition cannot occur.

If the bypass flow of the system is found to be too large or too small, the possibility is that the foreign objects are stuck on the valve plug when the pipeline element is installed, and the valve needs to be detached to check and eliminate the blockage.

The utility model discloses still disclose one kind and have air conditioning system timesharing subregion control valve group's control system, this system still includes and installs a DDC-FM controller in every building department, and the controller passes through optic fibre and introduces central control room host computer.

The utility model discloses still disclose one kind and have air conditioning system of air conditioning system timesharing subregion control valve group, air conditioning system is full water system, or, air and water hybrid system.

The beneficial effects of the utility model reside in that: in the centralized air-conditioning system, the centralized control of opening and closing of a plurality of system loops can be realized on the premise of not accurately controlling the terminal equipment, the centralized control can be manual operation or automatic control, and under the condition of achieving time-sharing zone control, the energy consumption of the air-conditioning system is greatly reduced, the time-sharing zone control is realized, the energy is saved, the use effect of the terminal user is optimized, and the use experience of the terminal user is improved; meanwhile, the hydraulic imbalance condition caused by the change of the hydraulic working condition of the system is avoided during zone control.

Claims

1. The time-sharing and zone-dividing control valve group of the air conditioning system is characterized by comprising a water supply pipeline (1), a water return pipeline (2), a manual shut-off valve (3), an electric shut-off valve (4), a static hydraulic balance valve (5) and a dynamic differential pressure hydraulic balance valve (6); the outlet of the electric shutoff valve (4) is connected with the inlet of the static hydraulic balance valve (5); the inlet of the manual shut-off valve (3) is connected with the outlet of the dynamic differential pressure hydraulic balance valve (6); the electric shutoff valve (4) and the static hydraulic balance valve (5) are both arranged on the water supply pipeline (1); the manual shut-off valve (3) and the dynamic differential pressure hydraulic balance valve are both arranged on the water return pipeline (2).

2. The time-sharing and zone-dividing control valve group of the air conditioning system as claimed in claim 1, wherein the control valve group is installed on a main water supply and return pipe of each floor of a building.

3. The time-sharing and zone-dividing control valve group of an air-conditioning system as claimed in claim 1, wherein the control valve group is installed on a main water supply and return pipe of each building.

4. Air conditioning system time-share zone control valve group according to claim 1, 2 or 3, characterized in that the electric shut-off valve (4) is of the on-off type.

5. The time-share zone control valve group of an air conditioning system according to claim 1, wherein the dynamic pressure difference hydraulic balance valve (6) is equipped with a dial.

6. The time-share zone control valve group of an air conditioning system as claimed in claim 1, wherein the air conditioning system is a full water system, or an air and water mixing system.

7. A control system having the time-share zone control valve group of the air conditioning system of claim 1, 2 or 3, wherein the system further comprises a DDC-FM controller installed at each building, the controller being introduced into the central control room main unit through an optical fiber.

8. An air conditioning system having the time-share zone control valve group of the air conditioning system of claim 1, 2 or 3, wherein the air conditioning system is a full water system, or an air and water mixing system.