Differential pressure regulating valve with temperature sensing function

Abstract

The utility model relates to the technical field of differential pressure regulating valves, in particular to a differential pressure regulating valve with a temperature sensing function, which comprises a differential pressure regulating valve body. The top of the differential pressure regulating valve body is provided with an executing piece through a supporting piece, and the bottom of the executing piece is provided with a driving piece connected with a valve in the differential pressure regulating valve body; according to the differential pressure regulating valve, the detecting piece is arranged in the differential pressure regulating valve body, the detecting piece is matched with the temperature sensor to detect the temperature of fluid in the differential pressure regulating valve body, and if the temperature of the fluid changes, the detecting piece is matched with the temperature sensor to send a signal to the controller; and then the controller controls the executing piece to be matched with the driving piece to drive the valve to move, the flow speed and the pressure difference of the fluid are adjusted by adjusting the opening degree of the valve, and the control precision of the pressure difference adjusting valve body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of differential pressure regulating valves, in particular to a differential pressure regulating valve with a temperature sensing function. Background Art

[0002] In many industrial processes, it is necessary to maintain a pressure difference in a specific part of a fluid system. However, the viscosity and density of the fluid will change with temperature, affecting the pressure difference of the system. Existing differential pressure regulating valves (electronic differential pressure regulating valves) do not have a temperature sensing function, making it impossible to respond to this temperature-induced pressure difference change in real time, resulting in low control accuracy.

[0003] Therefore, a differential pressure regulating valve with temperature sensing function is proposed. Utility Model Content

[0004] The utility model aims to provide a differential pressure regulating valve with a temperature sensing function.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A differential pressure regulating valve with a temperature sensing function, comprising:

[0007] Differential pressure regulating valve body;

[0008] An actuator is installed on the top of the differential pressure regulating valve body through a support, and a driving member connected to the valve inside the differential pressure regulating valve body is installed at the bottom of the actuator;

[0009] A controller is installed on the top of the actuator;

[0010] A mounting plate is installed on the outer wall of the differential pressure regulating valve body, a connecting seat is fixed at one end of the mounting plate, and a temperature sensor is installed on the top of the connecting seat;

[0011] The temperature sensor is electrically connected to a detection component located inside the differential pressure regulating valve body.

[0012] Preferably, the detection element is electrically connected to a temperature sensor, the temperature sensor is electrically connected to a controller, and the controller is electrically connected to an actuator.

[0013] Preferably, two connecting bars are symmetrically fixed to one end of the mounting plate, threaded holes are provided on the outer walls of the two connecting bars, and threaded rods are threadedly connected to the inner threads of the threaded holes.

[0014] Preferably, a rotating bar is fixed to one end of the threaded rod, and a fixing plate abutting against the temperature sensor is fixed to the other end of the threaded rod.

[0015] Preferably, a protective cover is provided outside the temperature sensor, and a clamping block is fixed at one end of the protective cover;

[0016] A card slot is provided on the outer wall of the mounting plate, and the card block is carded in the card slot.

[0017] Preferably, a connecting plate is fixed to one end of the mounting plate, a first clamping hole is provided on the top of the connecting plate, a second clamping hole is provided on the top of the protective cover, and a clamping pin is clamped inside the first clamping hole and the second clamping hole;

[0018] An auxiliary plate is fixed on the top of the bayonet;

[0019] A compression spring is arranged outside the bayonet, one end of the compression spring is fixed to the auxiliary plate, and the other end of the compression spring is fixed to the connecting plate.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The utility model provides a detection component inside the pressure differential regulating valve body. The detection component cooperates with the temperature sensor to detect the temperature of the fluid inside the pressure differential regulating valve body. If the temperature of the fluid changes, the detection component cooperates with the temperature sensor to send a signal to the controller. The controller then controls the actuator to cooperate with the driving component to drive the valve to move. By adjusting the opening of the valve, the flow rate and pressure difference of the fluid are adjusted, thereby improving the control accuracy of the pressure differential regulating valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the protective cover connection structure in the utility model;

[0024] Figure 3 This is a schematic diagram of the card slot structure in the utility model;

[0025] Figure 4 It is a schematic diagram of the threaded hole structure in the utility model.

[0026] In the figure: 1. Pressure difference regulating valve body; 2. Support member; 3. Actuator; 4. Driving member; 5. Controller; 6. Mounting plate; 7. Connecting seat; 8. Temperature sensor; 9. Protective cover; 10. Slot; 11. Block; 12. Connecting plate; 13. First clamping hole; 14. Second clamping hole; 15. Pin; 16. Auxiliary plate; 17. Compression spring; 18. Connecting strip; 19. Threaded hole; 20. Threaded rod; 21. Turning strip; 22. Fixing plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. Example

[0029] See also Figure 1-4 The utility model provides a technical solution: To achieve the above purpose, the utility model provides the following technical solution: A differential pressure regulating valve with temperature sensing function, comprising: a differential pressure regulating valve body 1; an actuator 3 is installed on the top of the differential pressure regulating valve body 1 through a support 2, and a driving member 4 connected to the valve inside the differential pressure regulating valve body 1 is installed at the bottom of the actuator 3; a controller 5 is installed on the top of the actuator 3; a mounting plate 6 is installed on the outer wall of the differential pressure regulating valve body 1, a connecting seat 7 is fixed at one end of the mounting plate 6, and a temperature sensing device is installed on the top of the connecting seat 7. The temperature sensor 8 is electrically connected to a detection component located inside the differential pressure regulating valve body 1, the detection component is electrically connected to the temperature sensor 8, the temperature sensor 8 is electrically connected to the controller 5, the controller 5 is electrically connected to the actuator 3, and two connecting strips 18 are symmetrically fixed at one end of the mounting plate 6, and threaded holes 19 are provided on the outer walls of the two connecting strips 18, and threaded rods 20 are connected to the inner threads of the threaded holes 19, a rotating strip 21 is fixed to one end of the threaded rod 20, and a fixing plate 22 abutting against the temperature sensor 8 is fixed to the other end of the threaded rod 20.

[0030] Specifically, the utility model provides a detection component inside the differential pressure regulating valve body 1, and the detection component cooperates with the temperature sensor 8 to detect the temperature of the fluid inside the differential pressure regulating valve body 1. If the temperature of the fluid changes, the detection component cooperates with the temperature sensor 8 to send a signal to the controller 5, and the controller 5 controls the actuator 3 to cooperate with the driving component 4 to drive the valve to move, and adjusts the flow rate and pressure difference of the fluid by adjusting the opening of the valve, thereby improving the control accuracy of the differential pressure regulating valve body 1;

[0031] By rotating the turning bar 21, the turning bar 21 drives the threaded rod 20 to move in the threaded hole 19. After the fixing plate 22 at one end of the threaded rod 20 is no longer in contact with the temperature sensor 8, the temperature sensor 8 can be disassembled and maintained, which is highly practical. Example

[0032] See also Figure 1-3The utility model provides a technical solution: a differential pressure regulating valve with a temperature sensing function, a protective cover 9 is provided on the outside of the temperature sensor 8, and a clamping block 11 is fixed at one end of the protective cover 9; a clamping groove 10 is provided on the outer wall of the mounting plate 6, and the clamping block 11 is clamped in the inside of the clamping groove 10, a connecting plate 12 is fixed at one end of the mounting plate 6, a first clamping hole 13 is provided on the top of the connecting plate 12, a second clamping hole 14 is provided on the top of the protective cover 9, and a clamping pin 15 is clamped in the first clamping hole 13 and the second clamping hole 14; an auxiliary plate 16 is fixed on the top of the clamping pin 15; a compression spring 17 is provided on the outside of the clamping pin 15, one end of the compression spring 17 is fixed to the auxiliary plate 16, and the other end of the compression spring 17 is fixed to the connecting plate 12.

[0033] Specifically, by snapping the block 11 into the slot 10, the protective cover 9 can be initially fixed to the outside of the temperature sensor 8, and then the elastic force of the compression spring 17 will drive the bayonet 15 to move, and when one end of the bayonet 15 is snapped into the inside of the second bayonet hole 14, the protective cover 9 can be finally fixed. Compared with the existing ones, the present invention provides a protective cover 9 on the outside of the temperature sensor 8, and the temperature sensor 8 can be protected under the action of the protective cover 9, thereby improving the working efficiency and service life of the temperature sensor 8;

[0034] By pulling the bayonet 15 through the auxiliary plate 16 , the compression spring 17 will perform a corresponding stretching movement. After one end of the bayonet 15 is disengaged from the second bayonet hole 14 , the protective cover 9 can be disassembled, thereby facilitating the disassembly and maintenance of the temperature sensor 8 .

[0035] Working principle:

[0036] First, a detection component is provided inside the differential pressure regulating valve body 1, and the detection component cooperates with the temperature sensor 8 to detect the temperature of the fluid inside the differential pressure regulating valve body 1. If the temperature of the fluid changes, the detection component cooperates with the temperature sensor 8 to send a signal to the controller 5, and the controller 5 controls the actuator 3 to cooperate with the driving component 4 to drive the valve to move. By adjusting the opening of the valve, the flow rate and pressure difference of the fluid are adjusted, thereby improving the control accuracy of the differential pressure regulating valve body 1;

[0037] Secondly, by snapping the block 11 into the slot 10, the protective cover 9 can be initially fixed to the outside of the temperature sensor 8, and then the elastic force of the compression spring 17 will drive the bayonet 15 to move, and when one end of the bayonet 15 is snapped into the inside of the second bayonet hole 14, the protective cover 9 can be finally fixed. Compared with the existing ones, the present invention provides a protective cover 9 on the outside of the temperature sensor 8, and the temperature sensor 8 can be protected under the action of the protective cover 9, thereby improving the working efficiency and service life of the temperature sensor 8;

[0038] Pull the bayonet 15 through the auxiliary plate 16, and the compression spring 17 will perform a corresponding stretching movement. After one end of the bayonet 15 is disengaged from the second bayonet hole 14, the protective cover 9 can be disassembled, thereby facilitating the disassembly and maintenance of the temperature sensor 8;

[0039] Finally, by rotating the turning bar 21, the turning bar 21 drives the threaded rod 20 to move in the threaded hole 19. After the fixing plate 22 at one end of the threaded rod 20 is no longer in contact with the temperature sensor 8, the temperature sensor 8 can be disassembled and maintained, which is highly practical.

[0040] In the description of the present invention, it should be understood that the terms "center", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0041] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A differential pressure regulating valve with temperature sensing function, characterized in that: include: A differential pressure regulating valve body (1); An actuator (3) is installed on the top of the differential pressure regulating valve body (1) via a support member (2), and a driving member (4) connected to an internal valve of the differential pressure regulating valve body (1) is installed on the bottom of the actuator (3); A controller (5) is installed on the top of the actuator (3); A mounting plate (6) is mounted on the outer wall of the differential pressure regulating valve body (1), a connecting seat (7) is fixed to one end of the mounting plate (6), and a temperature sensor (8) is mounted on the top of the connecting seat (7); The temperature sensor (8) is electrically connected to a detection component located inside the differential pressure regulating valve body (1).

2. A differential pressure regulating valve with temperature sensing function according to claim 1, characterized in that: The detection element is electrically connected to a temperature sensor (8), the temperature sensor (8) is electrically connected to a controller (5), and the controller (5) is electrically connected to an actuator (3).

3. The differential pressure regulating valve with temperature sensing function according to claim 1, characterized in that: Two connecting bars (18) are symmetrically fixed to one end of the mounting plate (6), and threaded holes (19) are provided on the outer walls of the two connecting bars (18), and threaded rods (20) are connected to the inner threads of the threaded holes (19).

4. The differential pressure regulating valve with temperature sensing function according to claim 3, characterized in that: A rotating bar (21) is fixed to one end of the threaded rod (20), and a fixing plate (22) abutting against the temperature sensor (8) is fixed to the other end of the threaded rod (20).

5. The differential pressure regulating valve with temperature sensing function according to claim 4, characterized in that: A protective cover (9) is provided outside the temperature sensor (8), and a clamping block (11) is fixed to one end of the protective cover (9); A card slot (10) is provided on the outer wall of the mounting plate (6), and the card block (11) is card-engaged in the card slot (10).

6. The differential pressure regulating valve with temperature sensing function according to claim 5, characterized in that: A connecting plate (12) is fixed to one end of the mounting plate (6), a first clamping hole (13) is provided on the top of the connecting plate (12), a second clamping hole (14) is provided on the top of the protective cover (9), and a clamping pin (15) is clamped inside the first clamping hole (13) and the second clamping hole (14); An auxiliary plate (16) is fixed on the top of the bayonet (15); A compression spring (17) is provided outside the latch (15), one end of the compression spring (17) is fixed to the auxiliary plate (16), and the other end of the compression spring (17) is fixed to the connecting plate (12).

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