CN215596518U

CN215596518U - Novel differential pressure bypass valve

Info

Publication number: CN215596518U
Application number: CN202121843225.5U
Authority: CN
Inventors: 李润清
Original assignee: Tianjin Keteq Automation Control Technology Co ltd
Current assignee: Tianjin Keteq Automation Control Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-21
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a novel differential pressure bypass valve which comprises a valve body, wherein a rotating rod is inserted in the center of the top of the valve body, adjusting plates matched with the cross section inside the valve body are symmetrically arranged on two sides of the rotating rod, which are positioned on a rod body inside the valve body, an installation seat is arranged on the top of the valve body, an electric actuating mechanism is arranged on the top of the installation seat, a controller is arranged on the top of the installation seat, which is positioned in front of the electric actuating mechanism, and a first pressure sensor and a second pressure sensor are respectively inserted on two sides of the valve body, which are positioned on the installation seat. The valve can integrate the functions of the electric actuating mechanism, the controller, the first pressure sensor and the second pressure sensor, can realize the three functions of measurement, control and execution, can reduce the cost, reduces the workload of field wiring, also saves the installation space, and simultaneously facilitates the operation and maintenance in the future.

Description

Novel differential pressure bypass valve

Technical Field

The utility model relates to the technical field of bypass valves, in particular to a novel differential pressure bypass valve.

Background

A differential pressure bypass valve is often used in hvac systems, and is typically installed between the water separator and the water collector of a refrigeration room. The water separator is connected with the water supply pipe, the water collector is connected with the water return pipe, and a certain pressure difference is kept between the water supply pipe and the water return pipe, so that the system can normally operate. If the pressure difference is abnormal, the bypass valve needs to adjust the opening degree in time to change the flow rate passing through the bypass valve so as to return the pressure difference to a normal value.

In the use process of the existing differential pressure bypass valve in a heating ventilation air-conditioning system, the function is relatively single, the differential pressure bypass valve needs to be used together with an external controller and a differential pressure sensor, the cost is high, and the wiring workload is large, so that the problem needs to be solved by the novel differential pressure bypass valve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the novel differential pressure bypass valve, and the functions of the electric actuating mechanism, the controller, the first pressure sensor and the second pressure sensor can be integrated into a whole through the structures such as the valve body, the rotating rod, the adjusting plate, the electric actuating mechanism, the controller, the first pressure sensor and the second pressure sensor, so that the valve can realize the three functions of measurement, control and execution, the cost can be reduced, the workload of field wiring is reduced, the installation space is saved, and meanwhile, the operation and maintenance in the future are facilitated.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a novel differential pressure bypass valve, includes the valve body, valve body top center department is inserted and is equipped with the dwang, and the bilateral symmetry that the dwang is located the inside body of rod of valve body be provided with the regulating plate of the inside cross section looks adaptation of valve body, the valve body top is provided with the mount pad, the mount pad top is provided with electric actuator, the place ahead that the mount pad top is located electric actuator is provided with the controller, the both sides that the valve body is located the mount pad are inserted respectively and are equipped with first pressure sensor and second pressure sensor.

As a preferred technical scheme of the present invention, the two sides of the valve body are both provided with side pipes, the top of each side pipe is provided with a top block, the center of the top of each top block is provided with a mounting hole, the mounting hole extends into the side pipe, a cylinder is inserted into the mounting hole, and the first pressure sensor and the second pressure sensor are respectively embedded into the two cylinders.

As a preferable technical scheme of the utility model, the side wall of the cylinder is provided with a fixing plate, four corners of the top block are provided with screws, and the screws penetrate through the fixing plate.

As a preferable technical solution of the present invention, the controller is electrically connected to the electric actuator, the first pressure sensor, and the second pressure sensor, respectively.

As a preferred technical scheme of the utility model, the middle part of the rotating rod body is provided with the rotating plate, the rotating plate is embedded in the valve body, and the top of the rotating rod is fixed with the output end of the electric actuating mechanism.

As a preferable technical scheme of the utility model, the mounting seat is composed of four vertical rods annularly arrayed on the top of the valve body and a mounting plate positioned at the top end of the vertical rods.

As a preferred technical scheme of the utility model, two ends of the valve body are respectively provided with a first flange, two ends of the side pipe are respectively provided with a second flange, and four double-head screws are uniformly inserted on the first flange and the second flange.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the valve body is arranged in the heating ventilation air-conditioning system, the first pressure sensor and the second pressure sensor measure the pressure of the heating ventilation air-conditioning system pipelines at the two sides of the valve body, the first pressure sensor and the second pressure sensor measure the pressure difference in the pipelines and transmit the measured value to the controller, the controller sends a control signal to the electric actuating mechanism after operation to drive the rotating rod to rotate, so that the adjusting plate rotates, the valve adjusts the opening degree according to instructions, the valve opening degree changes, the pressure difference in the pipelines also changes, the functions of the electric actuating mechanism, the controller, the first pressure sensor and the second pressure sensor can be integrated into a whole through the arranged structures of the valve body, the rotating rod, the adjusting plate, the electric actuating mechanism, the controller, the first pressure sensor and the second pressure sensor, and the valve can realize the three functions of measurement, control and execution, the cost can be reduced, the workload of field wiring is reduced, the installation space is saved, and meanwhile, the operation and maintenance in the future are facilitated;

2. insert first pressure sensor in the drum, and adopt sealing process to seal first pressure sensor and drum, the drum inserts in the mounting hole and adopts sealing process to seal after that, install the both sides at the valve body with the side pipe after that, install the side pipe between heating ventilation air conditioning system pipeline, can adopt the detachable mode to fix first pressure sensor and second pressure sensor installation on the side pipe, when components such as the follow-up pressure sensor of being convenient for, side pipe damaged, only change to damaging the position, the subsequent fund cost of damaging the maintenance of equipment has been reduced.

Drawings

FIG. 1 is a schematic top perspective view of the present invention;

FIG. 2 is a schematic bottom perspective view of the present invention;

FIG. 3 is a schematic diagram of the right view structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the valve body of the present invention;

FIG. 5 is a schematic view of the structure at A of FIG. 1 according to the present invention.

Wherein: 1. a valve body; 2. rotating the rod; 3. an adjusting plate; 4. a mounting seat; 5. an electric actuator; 6. a controller; 7. a first pressure sensor; 8. a second pressure sensor; 9. a side tube; 10. a top block; 11. mounting holes; 12. a cylinder; 13. a fixing plate; 14. a rotating plate; 15. a first flange; 16. a second flange; 401. a vertical rod; 402. and (7) mounting the plate.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-5, a novel differential pressure bypass valve comprises a valve body 1, wherein a rotating rod 2 is inserted into the center of the top of the valve body 1, adjusting plates 3 matched with the inner cross section of the valve body 1 are symmetrically arranged on two sides of the rotating rod 2 positioned on the inner rod body of the valve body 1, an installation seat 4 is arranged on the top of the valve body 1, an electric actuator 5 is arranged on the top of the installation seat 4, a controller 6 is arranged in front of the electric actuator 5 on the top of the installation seat 4, and a first pressure sensor 7 and a second pressure sensor 8 are respectively inserted into two sides of the valve body 1 positioned on the installation seat 4;

the valve body 1 is arranged in an heating, ventilating and air conditioning system, the first pressure sensor 7 and the second pressure sensor 8 measure the pressure of the heating, ventilating and air conditioning system pipeline at two sides of the valve body 1, the first pressure sensor 7 and the second pressure sensor 8 measure the pressure difference in the pipeline and transmit the measured value to the controller 6, the controller 6 sends a control signal to the electric actuating mechanism 5 after operation to drive the rotating rod 2 to rotate, so that the adjusting plate 3 rotates, the opening of the valve is adjusted according to instructions, the opening of the valve is changed, the pressure difference in the pipeline is also changed, and the functions of the electric actuating mechanism 5, the controller 6, the first pressure sensor 7 and the second pressure sensor 8 can be integrated into a whole through the arranged structures of the valve body 1, the rotating rod 2, the adjusting plate 3, the electric actuating mechanism 5, the controller 6, the first pressure sensor 7 and the second pressure sensor 8, the valve can realize the three functions of measurement, control and execution, the cost can be reduced, the workload of field wiring is reduced, the installation space is saved, and the valve is convenient to operate and maintain in the future.

In other embodiments, the two sides of the valve body 1 are both provided with the side pipes 9, the tops of the side pipes 9 are provided with the top blocks 10, the centers of the tops of the top blocks 10 are provided with the mounting holes 11, the mounting holes 11 extend into the side pipes 9, the cylinders 12 are inserted into the mounting holes 11, and the first pressure sensor 7 and the second pressure sensor 8 are respectively embedded into the two cylinders 12;

insert first pressure sensor 7 in drum 12 to adopt sealing process to seal first pressure sensor 7 and drum 12, drum 12 inserts in mounting hole 11 and adopts sealing process to seal, install side tube 9 in the both sides of valve body 1 after that, install side tube 9 between the heating and ventilating air conditioning system pipeline, can adopt detachable mode to install first pressure sensor 7 and second pressure sensor 8 and fix on side tube 9, when components such as follow-up pressure sensor, side tube 9 of being convenient for damage, only change to the damage position, the capital expense of the follow-up damage maintenance of equipment has been reduced.

In other embodiments, the side wall of the cylinder 12 is provided with a fixing plate 13, four corners of the top block 10 are provided with screws, and the screws penetrate through the fixing plate 13; the nut of looks adaptation is installed at the screw rod top, cooperates sealed technology simultaneously to carry out sealed operation between fixed plate 13 and kicking block 10, can realize the sealed between fixed plate 13 and mounting hole 11.

In other embodiments, the controller 6 is electrically connected to the electric actuator 5, the first pressure sensor 7 and the second pressure sensor 8 respectively; the pressure sensors measure the pressure values of the pipelines at the two ends of the valve body 1, the measured values are transmitted to the controller 6, the operation of the controller 6 is realized, and the control signals are sent to the electric actuating mechanism 5.

In other embodiments, the rotating plate 14 is arranged in the middle of the rotating rod 2, the rotating plate 14 is embedded in the valve body 1, and the top of the rotating rod 2 is fixed with the output end of the electric actuator 5; the electric actuator 5 is fixedly connected with the rotating rod 2, so as to drive the rotating plate 14 to rotate.

In other embodiments, the mounting seat 4 is composed of four vertical rods 401 arranged on the top of the valve body 1 in a circular array and a mounting plate 402 positioned at the top end of the vertical rods 401; the rotating rod 2 is located between the four vertical rods 401, so that the rotating rod 2 and the electric actuating mechanism 5 are conveniently connected.

In other embodiments, the two ends of the valve body 1 are both provided with a first flange 15, the two ends of the side pipe 9 are both provided with a second flange 16, and four double-head screws are uniformly inserted on the first flange 15 and the second flange 16; the nuts of looks adaptation are all installed at the double-end screw both ends, can be in the same place first flange 15, second flange 16 and heating and ventilating air conditioning system pipe connection.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It should be noted that, the electric components in the present application, such as the power unit, the first motor, the second motor, and the like, are all connected to the external controller, and the external controller is the prior art, and the present application does not improve the present application, so that it is not necessary to disclose the specific model, the circuit structure, and the like of the external controller, and the integrity of the present application is not affected.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel differential pressure bypass valve, includes valve body (1), its characterized in that: valve body (1) top center department is inserted and is equipped with dwang (2), and dwang (2) are located the bilateral symmetry of the inside body of rod of valve body (1) and are provided with regulating plate (3) with the inside cross section looks adaptation of valve body (1), valve body (1) top is provided with mount pad (4), mount pad (4) top is provided with electric actuator (5), the place ahead that mount pad (4) top is located electric actuator (5) is provided with controller (6), the both sides that valve body (1) is located mount pad (4) are inserted respectively and are equipped with first pressure sensor (7) and second pressure sensor (8).

2. A novel differential pressure bypass valve as claimed in claim 1, wherein: valve body (1) both sides all are provided with side pipe (9), and side pipe (9) top is provided with kicking block (10), and kicking block (10) top center seted up mounting hole (11), inside mounting hole (11) extend to side pipe (9), inside inserting of mounting hole (11) is equipped with drum (12), first pressure sensor (7), second pressure sensor (8) inlay respectively and locate inside two drum (12).

3. A novel differential pressure bypass valve as claimed in claim 2, wherein: the side wall of the cylinder (12) is provided with a fixing plate (13), four corners of the top of the ejector block (10) are provided with screws, and the screws penetrate through the fixing plate (13).

4. A novel differential pressure bypass valve as claimed in claim 1, wherein: the controller (6) is electrically connected with the electric actuator (5), the first pressure sensor (7) and the second pressure sensor (8) respectively.

5. A novel differential pressure bypass valve as claimed in claim 1, wherein: dwang (2) body of rod middle part is provided with rotor plate (14), and rotor plate (14) inlays and locates valve body (1), dwang (2) top is fixed with the output of electric actuator (5).

6. A novel differential pressure bypass valve as claimed in claim 2, wherein: the mounting seat (4) is composed of four vertical rods (401) which are annularly arrayed at the top of the valve body (1) and a mounting plate (402) which is positioned at the top end of each vertical rod (401).

7. A novel differential pressure bypass valve as claimed in claim 2, wherein: the valve is characterized in that first flanges (15) are arranged at two ends of the valve body (1), second flanges (16) are arranged at two ends of the side pipe (9), and four double-threaded screws are evenly inserted into the first flanges (15) and the second flanges (16).