Proportional-integral valve with communication function

Abstract

The utility model provides a proportional-integral valve with a communication function, which relates to the field of integral valve equipment and comprises a valve main body and a filter component used for auxiliary filtration of the valve main body. The adjustable filtering part, the filtering piece and the buffering assembly in the filtering shell can effectively intercept impurities in fluid, abrasion to the valve body is reduced, the valve body is protected against direct impact of particulate matter, the service life of the valve body is prolonged, the interior of the adjustable filtering part can be subjected to deformation filling according to the size of the interior of the filtering shell, and the sealing performance is improved. Impurities in the intercepting body can be precipitated into the precipitation tank body to be collected, interference of the impurities on the filtering effect of the adjustable filtering part is reduced, meanwhile, secondary filtering is formed through cooperation with the filtering pieces, the filtering effect of the impurities in fluid is improved, and the safety and reliability of the valve body are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to integral valve equipment field especially relates to a proportional integral valve with communication. BACKGROUND

[0002] The proportional integral valve with communication function is an advanced intelligent control valve, which can accurately adjust fluid flow according to controller instructions and ensure excellent control precision through built-in proportional integral (PI) algorithm. The valve is equipped with an electronic interface, supports multiple analog and digital communication protocols (such as 4-20mA, Modbus, etc.), realizes efficient information exchange with advanced control systems, allows remote monitoring and operation, and is widely used in heating, ventilation and air conditioning, refrigeration systems and industrial process control fields, not only provides accurate parameter control, but also has self-diagnosis function, greatly simplifies maintenance and management process.

[0003] For the existing proportional integral valve with communication function, such as (VA3100-24 electric proportional integral regulating valve), if the use environment is harsh, for example, working in water medium with a large amount of impurities, the internal valve core, valve seat sealing element and other components may gradually wear, especially when the water quality is poor and has not been effectively filtered, impurity particles may be trapped between the valve core and the valve seat and continuously ground, causing the sealing surface to wear more severely. At this time, the valve may not work correctly according to the preset parameters, directly threatening the stability of the system, and more seriously, in some critical application scenarios, this out-of-control may cause irreversible damage, even endanger personnel safety and property integrity, and affect the safety and reliability of the facility.

[0004] Therefore, it is necessary to provide a new proportional integral valve with communication to solve the above technical problems. SUMMARY

[0005] To solve the above technical problems, the utility model provides a proportional integral valve with communication.

[0006] The proportional integral valve with communication provided by the utility model comprises a valve body and a filtering component for assisting the filtering of the valve body, the water inlet end of the valve body is connected with one end of the filtering component through a plurality of connecting bolts, and a sealing element is arranged at the connection between the valve body and the filtering component.

[0007] The filter member includes a filter shell, a buffer assembly, an adjustable filter part and a sediment tank body, the buffer assembly and the adjustable filter part are located inside the filter shell, a fixed port is formed in the top surface of the filter shell, and a placing port is formed in the bottom surface of the filter shell, the top end of the sediment tank body is detachably connected with the bottom end of the filter shell through a plurality of connecting nails, the top end and the bottom end of the buffer assembly are fixedly connected with the inner side wall of the filter shell respectively, the adjustable filter part is slidably installed inside the filter shell, and the top end and the bottom end of the adjustable filter part penetrate through the surface of the filter shell respectively.

[0008] Preferably, the adjustable filter part includes an adjustable limiting body and a limiting sealing body, the top end of the adjustable limiting body is located inside the fixed port, the limiting sealing body is internally threaded and sleeved on the top end of the adjustable limiting body, the bottom end of the limiting sealing body is attached to the top of the filter shell, the filter shell is provided with a dust cover on the top end, the dust cover is located on the upper part of the limiting sealing body, the bottom end of the adjustable limiting body is located inside the placing port, and a sealing ring is clamped at the connection between the top end of the sediment tank body and the bottom end of the filter shell.

[0009] Preferably, the adjustable limiting body includes an adjusting shell, an adjusting rod and a limiting block, the top of the adjusting shell is located inside the fixed port, the top end of the adjusting shell is located inside the limiting sealing body, the bottom end of the adjusting rod is located inside the placing port, the top end of the adjusting rod is fixedly connected with the inner top end of the adjusting shell, and the limiting block is rotatably sleeved on the surface of the adjusting rod, and the top end of the limiting block is attached to the bottom end of the adjusting shell.

[0010] Preferably, the inside of the adjustable limiting body is sequentially provided with flexible filter cotton, polypropylene fabric and particle filling filter body from outside to inside, and the adjusting rod penetrates through the inner surfaces of the flexible filter cotton, the polypropylene fabric and the particle filling filter body respectively.

[0011] Preferably, the buffer assembly includes a rotating shaft and a buffer piece, the top end and the bottom end of the rotating shaft are fixedly connected with the inner side wall of the filter shell respectively, the buffer piece is sleeved on the surface of the rotating shaft, and the buffer piece is rotationally connected with the rotating shaft.

[0012] Preferably, a filter sheet is fixedly arranged in the filter shell adjacent to the water inlet end of the valve body.

[0013] Compared with the related art, the proportional-integral valve with communication provided by the utility model has the following advantages

[0014] Beneficial effects:

[0015] 1、By introducing the filter member, its internal adjustable filter components, filter and buffer components can effectively intercept the impurities in the fluid, reduce the wear and tear of the valve body, protect the valve body from the direct impact of particulate matter, prolong its service life, and the adjustable filter component inside can be deformed according to the size of the filter shell inside, which can precipitate the impurities in the fluid to the inside of the sediment tank for collection, reducing the interference of the adjustable filter component with the filter effect, while cooperating with the filter sheet to form secondary filtration, thereby improving the filtering effect of the impurities in the fluid and ensuring the safety and reliability of the valve body.

[0016] 2、By adopting the transparent hard plastic material of the sediment tank, the operator can monitor the filtering state in real time, and replace or clean the filter element in time according to the need, and the detachable connection makes the maintenance more convenient, simplifies the daily maintenance work, and improves the efficiency of replacing or cleaning the filter element. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The overall structure schematic diagram of the proportional integral valve with communication provided by the utility model;

[0018] Figure 2 The overall structure schematic diagram of the proportional integral valve with communication provided by the utility model;

[0019] Figure 3 The split structure schematic diagram of the filter member provided by the utility model;

[0020] Figure 4 The split structure schematic diagram of the filter shell, filter sheet and buffer component provided by the utility model;

[0021] Figure 5 The overall split schematic diagram of the adjustable filter component provided by the utility model.

[0022] The reference numerals in the drawing are as follows: 1, valve body; 2, filter member; 3, connecting bolt; 4, sealing element; 5, filter shell; 6, buffer component; 7, adjustable filter component; 8, sediment tank; 9, fixed port; 10, placing port; 11, connecting nail; 12, adjustable limiting body; 13, limiting sealing body; 14, dust cover; 15, adjusting shell; 16, adjusting rod; 17, limiting block; 18, flexible filter cotton; 19, polypropylene fabric; 20, particle filling filter body; 21, rotating shaft; 22, buffer element; 23, sealing ring; 24, filter sheet. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and embodiments.

[0024] Please refer to Figure 1 ,Figure 2 、 Figure 3 、 Figure 4 and Figure 5 wherein, Figure 1 is a whole structure schematic diagram of a proportional-integral valve with communication provided by the utility model; Figure 2 is a whole cross-section structure schematic diagram of a proportional-integral valve with communication provided by the utility model; Figure 3 is a split structure schematic diagram of a filtering component provided by the utility model; Figure 4 is a cross-section structure schematic diagram of a filtering shell, a filtering sheet and a buffer assembly provided by the utility model; Figure 5 is a whole cross-section schematic diagram of an adjustable filtering part provided by the utility model.

[0025] In the specific implementation process, as Figures 1-5 indicated, the utility model provides a proportional-integral valve with communication, including valve main body 1 and filtering component 2 for the auxiliary filtration of valve main body 1, and the water inlet end of valve main body 1 is connected with one end of filtering component 2 through multiple connecting bolts 3, and the connecting place of valve main body 1 and filtering component 2 is provided with sealing element 4;

[0026] It should be noted that valve main body 1 adopts the type VA3100-24 electric proportional-integral regulating valve produced by Shenyang Xufeng Valve Self-control Equipment Co., Ltd., the valve adopts electric proportional-integral (PI) control technology, can realize the accurate regulation of fluid flow or pressure, ensures that the system runs in the set parameter range, meanwhile, the valve benefits from the advanced control algorithm and technology, VA3100-24 can quickly respond when detecting the deviation, timely adjusts the opening to maintain the stability of the system, can be used for the professional equipment for accurately controlling fluid flow and pressure;

[0027] Filtering component 2 includes filtering shell 5, buffer assembly 6, adjustable filtering part 7 and sediment tank body 8, buffer assembly 6 and adjustable filtering part 7 are located inside filtering shell 5, the top end surface of filtering shell 5 is provided with fixed mouth 9, and the bottom end surface is provided with placing mouth 10, the top end of sediment tank body 8 is detachably connected with the bottom end of filtering shell 5 through multiple connecting nails 11, the top end and the bottom end of buffer assembly 6 are fixedly connected with the inner side wall of filtering shell 5 respectively, adjustable filtering part 7 is slidably installed inside filtering shell 5, and the top end and the bottom end of adjustable filtering part 7 respectively penetrate the surface of filtering shell 5;

[0028] In one specific embodiment, filtering sheet 24 is fixedly arranged inside filtering shell 5 adjacent to the water inlet end of valve main body 1;

[0029] It should be noted that the sediment tank body 8 can be used as a protection body after the filter member 2 is installed, and can also collect the silt filtered by the filter member 2, and the sediment tank body 8 is made of transparent hard plastic material, so that the filtering condition in the filter shell 5 can be observed in real time, so that the adjustable filter part 7 can be replaced according to the filtering condition.

[0030] The adjustable filter part 7 comprises an adjustable limiting body 12 and a limiting sealing body 13, the top end of the adjustable limiting body 12 is located in the fixed port 9, the limiting sealing body 13 is internally threaded and sleeved on the top end of the adjustable limiting body 12, and the bottom end of the limiting sealing body 13 is attached to the top of the filter shell 5, and a dust cover 14 is arranged on the top of the limiting sealing body 13.

[0031] The adjustable limiting body 12 comprises an adjusting shell 15, an adjusting rod 16 and a limiting block 17, the top of the adjusting shell 15 is located in the fixed port 9, and the top end of the adjusting shell 15 is located in the limiting sealing body 13, the bottom end of the adjusting rod 16 is located in the placing port 10, the top end of the adjusting rod 16 is fixedly connected with the top end in the adjusting shell 15, and the limiting block 17 is rotatably sleeved on the surface of the adjusting rod 16, and the top end of the limiting block 17 is attached to the bottom end of the adjusting shell 15.

[0032] It should be noted that the limiting block 17 is rotatably screwed on the surface of the adjusting rod 16, the adjusting shell 15 can be deformed by extrusion along with the limiting block 17 until it is filled in the filter shell 5, forming a filter layer to filter the sand in the flowing liquid.

[0033] The inside of the adjustable limiting body 12 is sequentially provided with flexible filter cotton 18, polypropylene fabric 19 and particle filling filter body 20 from outside to inside, and the adjusting rod 16 penetrates the inside surfaces of the flexible filter cotton 18, the polypropylene fabric 19 and the particle filling filter body 20 respectively.

[0034] The buffer assembly 6 comprises a rotating shaft 21 and a buffer 22, the top end and the bottom end of the rotating shaft 21 are fixedly connected with the inner side wall of the filter shell 5 respectively, the buffer 22 is sleeved on the surface of the rotating shaft 21, and the buffer 22 is rotatably connected with the rotating shaft 21.

[0035] It should be noted that the buffer 22 is a spiral rotating shaft with multiple teeth, which can rotate along with the flowing liquid, thereby relieving the damage caused by the direct impact of the liquid on the surface of the filter member 2.

[0036] The working principle of the utility model is as follows:

[0037] When the valve body 1 needs to be filtered and installed, first, the sealing member 4 is clamped between the filter member 2 and the valve body 1, at this time, the connecting bolts 3 are installed and connected, at this time, the adjustable filter part 7 is pushed into the filter housing 5 from the lower placing opening 10 until the top of the adjustable filter part 7 is located in the fixed opening 9, at this time, the limiting sealing body 13 is screwed on the top of the adjustable limiting body 12, the adjustable limiting body 12 is limited, at this time, the limiting block 17 on the rotating screw type rising type rotating adjusting rod 16 is rotated, so that the adjusting shell 15 drives the internal various filter materials to follow the limiting block 17 to extrude and fill outward, until the filter housing 5 is filled, a filter layer is formed, which filters the sand in the flowing liquid, at this time, the limiting sealing body 13 drives the sealing ring 23 to move to the placing opening 10 at the bottom of the filter housing 5, then the limiting sealing body 13 is fixed by using the connecting nails 11, through the mutual linkage and cooperation between the above-mentioned device members, the work of filtering and installing the valve body 1 is completed.

[0038] The above is only an embodiment of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A proportional-integral valve with communication capability, comprising a valve body (1), characterized in that, It also includes a filter component (2) for auxiliary filtration of the valve body (1), the water inlet end of the valve body (1) is connected to one end of the filter component (2) by a plurality of connecting bolts (3), and a sealing element (4) is provided at the connection between the valve body (1) and the filter component (2); The filter component (2) includes a filter housing (5), a buffer assembly (6), an adjustable filter component (7), and a sedimentation tank (8). The buffer assembly (6) and the adjustable filter component (7) are both located inside the filter housing (5). The top surface of the filter housing (5) has a fixing port (9), and the bottom surface has a placement port (10). The top of the sedimentation tank (8) is detachably connected to the bottom of the filter housing (5) by multiple connecting nails (11). The top and bottom of the buffer assembly (6) are fixedly connected to the inner sidewall of the filter housing (5). The adjustable filter component (7) is slidably installed inside the filter housing (5), and the top and bottom of the adjustable filter component (7) penetrate the surface of the filter housing (5).

2. The proportional-integral valve with communication capability according to claim 1, characterized in that, The adjustable filter component (7) includes an adjustable limiting body (12) and a limiting sealing body (13). The top of the adjustable limiting body (12) is located inside the fixed port (9). The limiting sealing body (13) is internally threaded and limited to the top of the adjustable limiting body (12). The bottom of the limiting sealing body (13) is in contact with the top of the filter housing (5). At the same time, the top of the filter housing (5) is provided with a dust cover (14). The dust cover (14) is located on the upper part of the limiting sealing body (13). The bottom of the adjustable limiting body (12) is located inside the placement port (10). A sealing ring (23) is clamped at the connection between the top of the sedimentation tank (8) and the bottom of the filter housing (5).

3. The proportional-integral valve with communication capability according to claim 2, characterized in that, The adjustable limiting body (12) includes an adjusting shell (15), an adjusting rod (16), and a limiting block (17). The top of the adjusting shell (15) is located inside the fixing port (9), and the top of the adjusting shell (15) is located inside the limiting sealing body (13). The bottom of the adjusting rod (16) is located inside the placement port (10). The top of the adjusting rod (16) is fixedly connected to the top of the inner part of the adjusting shell (15). The limiting block (17) is rotatably sleeved on the surface of the adjusting rod (16), and the top of the limiting block (17) is in contact with the bottom of the adjusting shell (15).

4. The proportional-integral valve with communication capability according to claim 3, characterized in that, The adjustable limiting body (12) is provided with a flexible filter cotton (18), a polypropylene fabric (19) and a particle-filled filter body (20) in sequence from the outside to the inside. The adjusting rod (16) passes through the inner surface of the flexible filter cotton (18), the polypropylene fabric (19) and the particle-filled filter body (20).

5. The proportional-integral valve with communication capability according to claim 4, characterized in that, The buffer assembly (6) includes a rotating shaft (21) and a buffer member (22). The top and bottom ends of the rotating shaft (21) are fixedly connected to the inner sidewall of the filter housing (5). The buffer member (22) is sleeved on the surface of the rotating shaft (21) and is rotatably connected to the rotating shaft (21).

6. The proportional-integral valve with communication capability according to claim 5, characterized in that, A filter element (24) is fixedly installed inside the filter housing (5) near the water inlet end of the valve body (1).

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