CN206386987U - A kind of HVAC hydraulic equilibrium self-checking device - Google Patents

Abstract

The utility model discloses an automatic adjusting device for HVAC hydraulic balance, which relates to the field of HVAC devices for home decoration. In order to adjust the water flow pressure of each branch to a more balanced state, in the utility model: a branch pressure sensor and an electric pressure valve are installed on the branch pipe, and the branch pressure sensor is connected with the remote monitoring module through the sensing transmission line. The remote regulation module is connected with the electric pressure valve through the signal regulation control circuit. The utility model adds a branch pressure sensor and an electric pressure valve to the branch pipe, and uses the remote monitoring module to monitor each branch in real time, and uses the remote control module to adjust and control the flow and pressure of each branch pipe proportionally. In this way, the water flow pressure of each branch can be adjusted to a more balanced state; using the manual control panel, abnormal branch pipes can be observed, and the increase and decrease operations can be performed manually.

Description

A HVAC hydraulic balance automatic adjustment device

technical field

The utility model relates to the field of home decoration heating and ventilation devices, in particular to an automatic adjustment device for heating and ventilation hydraulic balance.

Background technique

The hydraulic balance distributor integrates the water collector and the flow divider, and uses a flexible pipe in the middle to connect the fan coil unit, replacing the traditional three-pipe and two-pipe installation method. balance.

In the existing hydraulic balance distribution pipeline structure, the main inlet and main outlet are set at one end of the main cylinder, which will easily cause the water flow pressure of each branch to be different, resulting in uneven cooling and heating of the air conditioner used by the end user. Adjusting the water flow pressure to a more balanced state has become a problem that needs to be solved.

Utility model content

The technical problem to be solved by the utility model is to provide an automatic adjustment device for HVAC hydraulic balance, so that the water flow pressure of each branch can be adjusted to a relatively balanced state through automatic adjustment of the remote system.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model provides an automatic adjustment device for HVAC hydraulic balance, which includes a flow divider, a reflux device, a branch pipe, a differential pressure bypass valve, a main inlet, a main outlet, a remote controller, a remote monitoring module, a remote control module, and a PID. Adjusting unit, branch pressure sensor, electric pressure valve, manual control panel, branch pipe display controller, reflux device and shunt are connected through a branch with differential pressure bypass valve, and both the shunt and reflux device are connected with Branch pipe, the main inlet is located on the diverter, and the main outlet is located on the reflux device. The branch pipe is equipped with a branch pressure sensor and an electric pressure valve. The branch pressure sensor is connected to the remote monitoring module through the sensing transmission line for remote control. The module is connected to the electric pressure valve through the signal conditioning control line.

Wherein, a PID adjustment unit is set in the remote control module.

Wherein, the hand control panel is connected with the remote monitoring module through the signal transmission line, and the hand control panel is connected with the remote control module through the signal transmission line.

Wherein, a branch tube display controller is installed on the hand control panel, and a signal lamp structure and a gain and gain button structure are set on the branch tube display controller.

Compared with the existing technology, the beneficial effect of the utility model is: the utility model adds a branch pressure sensor and an electric pressure valve on the branch pipe, and uses a remote monitoring module to monitor each branch in real time, and uses a remote The control module adjusts and controls the flow and pressure of each branch pipe proportionally, so as to adjust the water flow pressure of each branch to a more balanced state; using the manual control panel, you can observe abnormal branch pipes and increase them manually. Debuff operation.

Description of drawings

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

Fig. 2 is a schematic diagram of a partially enlarged structure at A in Fig. 1;

Fig. 3 is a schematic diagram of a partially enlarged structure at B in Fig. 1;

Among them: 1. Flow divider; 2. Reflux device; 3. Branch pipe; 4. Pressure differential bypass valve; 5. Main inlet; 6. Main outlet; 7. Remote controller; 8. Remote monitoring module; 9. Remote control module; 10. PID adjustment unit; 11. Branch pressure sensor; 12. Electric pressure valve; 13. Manual control panel; 14. Branch pipe display controller.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model is an automatic adjustment device for HVAC hydraulic balance, including a flow divider 1, a reflux device 2, a branch pipe 3, a differential pressure bypass valve 4, a main inlet 5, a main outlet 6, a remote controller 7, and a remote monitoring Module 8, remote control module 9, PID adjustment unit 10, branch pressure sensor 11, electric pressure valve 12, manual control panel 13, branch pipe display controller 14, reflux device 2 and shunt 1 pass through a side with pressure difference The branch of the through valve 4 is connected, the branch pipe 3 is connected to the flow divider 1 and the return flow device 2, the main inlet 5 is located on the flow divider 1, the main outlet 6 is located on the flow return device 2, and the branch line is installed on the branch pipe 3 The pressure sensor 11, the electric pressure valve 12, the branch pressure sensor 11 is connected with the remote monitoring module 8 through the sensing transmission line, and the remote control module 9 is connected with the electric pressure valve 12 through the signal adjustment control line.

Further, a PID adjustment unit 10 is provided in the remote control module 9 .

Further, the hand control panel 13 is connected to the remote monitoring module 8 through a signal transmission line, and the hand control panel 13 is connected to the remote control module 9 through a signal transmission line.

Further, a branch tube display controller 14 is installed on the hand control panel 13, and a signal light structure and a gain and gain button structure are set on the branch tube display controller 14.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (4)

1. A HVAC hydraulic balance automatic adjustment device, comprising a flow divider (1), a reflux device (2), a branch pipe (3), a differential pressure bypass valve (4), a main inlet (5), and a main outlet ( 6), remote controller (7), remote monitoring module (8), remote control module (9), PID adjustment unit (10), branch pressure sensor (11), electric pressure valve (12), manual control panel ( 13), the branch pipe display controller (14), the reflux device (2) and the diverter (1) are connected through a branch circuit with a differential pressure bypass valve (4), the diverter (1) and the reflux device (2) ) are connected with a branch pipe (3), the main inlet (5) is located on the diverter (1), and the main outlet (6) is located on the reflux device (2), characterized in that: the branch pipe (3) A branch pressure sensor (11) and an electric pressure valve (12) are installed on the top, the branch pressure sensor (11) is connected to the remote monitoring module (8) through a sensing transmission line, and the remote control module (9) is connected to the The signal conditioning control circuit is connected with the electric pressure valve (12). 2. The HVAC hydraulic balance automatic adjustment device according to claim 1, characterized in that a PID adjustment unit (10) is arranged in the remote control module (9). 3. A HVAC hydraulic balance automatic adjustment device according to claim 1, characterized in that the manual control panel (13) is connected to the remote monitoring module (8) through a signal transmission line, and the manual control panel (13) Connect with the remote control module (9) through a signal transmission line. 4. A HVAC hydraulic balance automatic adjustment device according to claim 1, characterized in that a branch pipe display controller (14) is installed on the manual control panel (13), and the branch pipe display control Signal light structure and gain, debuff button structure are set on the device (14).