Drawer type air filtering device and DCS system control cabinet

Abstract

The utility model provides a drawer type air filtering device and a DCS (Distributed Control System) control cabinet. The drawer type air filtering device and the DCS control cabinet comprise a frame, the frame is of a U-shaped structure, a sealing plate is installed at the left end of the frame, a sliding plate is installed on the sealing plate, a pulling plate is installed at the left end of the sealing plate, a first handle is installed on the left side of the pulling plate, and sliding rods are installed on the two sides of the inner side of the frame; and the filter plate is mounted in the right side area of the inner side of the frame. The frame is mounted at the top of the cabinet body, the filter plate mounted on the inner side of the frame is located over the ventilation opening formed in the top of the cabinet body, the filter element is mounted in the filter plate, and the ventilation grooves are formed in the filter plate. Through the filter plate and the filter element arranged in the filter plate, air circulation in the cabinet body is ensured, impurities in external air are prevented from entering the cabinet body, and long-time stable operation of a circuit in the cabinet body is further protected.

Description

Technical Field

[0001] The utility model belongs to the technical field of DCS system control cabinets, in particular to a drawer-type air filtering device and a DCS system control cabinet. Background Art

[0002] The DCS system control cabinet is a component of the distributed control system, which usually includes a control cabinet, a power cabinet, a communication cabinet, an I0 cabinet and a distribution cabinet. The DCS system control cabinet is relative to the centralized control system. It distributes the control functions to various functional modules, but is managed by a central processor. This structure not only improves the flexibility and scalability of the system, but also facilitates maintenance and upgrades. The DCS system is widely used in the field of industrial automation, such as chemical, petroleum, electric power and other industries. It can realize precise control and management of the production process, improve production efficiency and product quality. With the development of technology, modern DCS systems are developing in the direction of diversification, networking, openness and integrated management.

[0003] During the operation of the DCS system control cabinet, it is necessary to ensure that the internal air of the control cabinet is circulated with the outside air to ensure that the heat dissipation inside the control cabinet will not be affected. However, there is often a lot of dust and other debris in the outside air. After a large amount of dust enters the interior of the control cabinet, it will cause aging and short circuit of the internal circuit of the control cabinet, and even affect the life of the internal circuit of the control cabinet. Therefore, it is necessary to prevent a large amount of dust from entering the interior of the control cabinet while ensuring the heat dissipation effect of the control cabinet. Therefore, it is necessary to provide a drawer-type air filter device and a DCS system control cabinet to solve the above problems. Utility Model Content

[0004] The technical content of the utility model is to provide a drawer-type air filtering device and a DCS system control cabinet.

[0005] To solve the above problems, the utility model provides a drawer-type air filtering device, comprising a frame, the frame is arranged in a U-shaped structure, a sealing plate is installed at the left end of the frame, a sliding plate is installed on the sealing plate, a pulling plate is installed at the left end of the sealing plate, a first handle is installed on the left side of the pulling plate, and sliding rods are installed on both sides of the inner side of the frame; a filter plate, the filter plate is installed in the inner right area of ​​the frame, the interior of the filter plate is arranged in a hollow structure, a filter element is installed in it, sliding sleeves are installed on both sides of the filter plate, the sliding sleeves are installed on the sliding rods, a second handle is installed on the left side of the filter plate, and a plug plate is installed on the right side of the filter plate.

[0006] As a further solution of the present invention, two groups of sealing plates are symmetrically installed on the left end of the frame, and the two groups of sealing plates are respectively located at the top and bottom of the left end of the frame, and two groups of slide plates are symmetrically installed on both sides of the sealing plate. The inner sides of the frame are provided with sliding grooves compatible with the slide plates, and the pull plate is fixedly installed on the left sides of the two groups of sealing plates. The pull plate and the two left ends of the frame are fixedly connected by two groups of symmetrical fixing bolts. The length of the inner area of ​​the frame is equal to the length of the sealing plate plus the filter plate. The pull plate and the two groups of sealing plates can be pulled to the left to detach from the frame through the first handle.

[0007] As a further solution of the present invention, the inner sides of the frame are arranged with concave structures, the inner sides of the frame are provided with mounting grooves, the slide rod is installed therein, the right end of the slide rod is fixedly connected to the right side of the mounting groove of the frame, a fixing sleeve is fixedly installed in the mounting groove opened on the inner side of the frame, the fixing sleeve is fixedly connected to the inner wall of the mounting groove opened on the inner side of the frame through three groups of fixing blocks installed on the top, bottom and side, the slide rod passes through the fixing sleeve, the fixing sleeve and the fixing block are located on the right side of the sliding sleeve, and the sliding sleeve is symmetrically installed on both sides of the filter plate to facilitate the removal of the filter plate from the frame.

[0008] As a further solution of the utility model, a slot compatible with the plug plate is opened at the inner left end of the frame. After the filter plate is installed on the inner side of the frame, the plug plate is located in the slot opened at the inner right end of the frame. At this time, the filter plate closes the inner space of the frame, and the right side of the filter plate contacts the inner left side of the frame, so that the filter plate can be stabilized by the plug plate.

[0009] As a further solution of the utility model, the filter plate is evenly provided with a plurality of ventilation grooves, the ventilation grooves are vertically provided on the filter plate, the ventilation grooves penetrate the filter plate, the interior of the filter plate is arranged as a hollow structure, and the left end of the filter plate is arranged as an opening structure, the size of the filter element is the same as the size of the internal space of the filter plate, the filter element is provided with a plurality of groups of vertically arranged filter holes, the number of columns of the filter holes provided on the filter element is the same as the number of columns of the ventilation grooves provided on the filter plate, and the normal air circulation can be ensured by the ventilation grooves provided on the filter plate.

[0010] As a further solution of the utility model, a groove is provided on the left side of the filter element, and two sets of second handles are symmetrically installed on the left side of the filter plate. The second handles are located at the left edge of the filter plate to facilitate taking the filter plate out from the inner side of the frame.

[0011] A DCS system control cabinet comprises a cabinet body, wherein a vent is provided on the top of the cabinet body, the size of the vent is the same as the size of a filter plate installed on the inner side of a frame, and the filter plate is located directly above the vent so as to filter the air entering the cabinet body through a filter element.

[0012] Compared with the related art, the drawer-type air filter device and DCS system control cabinet provided by the utility model have the following beneficial effects:

[0013] 1. The utility model installs a frame on the top of the cabinet, and the filter plate installed on the inner side of the frame is located directly above the ventilating port opened on the top of the cabinet. A filter element is installed inside the filter plate, and a plurality of ventilation slots are opened on the filter plate, so that the filter plate and the filter element arranged in the filter plate can ensure the internal air circulation of the cabinet while preventing the sundries in the outside air from entering the interior of the cabinet, thereby protecting the long-term stable operation of the circuit inside the cabinet.

[0014] 2. The utility model installs an insert plate on the right side of the filter plate, and a slot matched with the insert plate is opened at the inner left end of the frame. After the filter plate is installed on the inner side of the frame, the insert plate is located in the slot opened at the inner right end of the frame, so that the filter plate can be stabilized by the friction between the insert plate and the slot, and the filter plate can be prevented from moving to the left along the two sets of sliding rods, thereby ensuring the stability of the inner structure of the frame.

[0015] 3. The utility model installs sliding sleeves on both sides of the filter plate, and the two sets of sliding sleeves are installed on two sets of sliding rods installed on the inner side of the filter plate, so that the filter plate is installed on the inner side of the frame. The sealing plate and the pulling plate installed on the left end of the frame can be removed, so that the left side of the frame is in an open state, and the filter plate can be quickly pulled out from the inner side of the frame by the second handle, so as to quickly realize the replacement of the filter element inside the filter plate, which can greatly save the operator's time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 This is a top-down three-dimensional structural diagram of a drawer-type air filter device and a DCS system control cabinet of the utility model;

[0018] Figure 2 This is a schematic diagram of the exploded three-dimensional structure of a drawer-type air filter device and a DCS system control cabinet of the utility model;

[0019] Figure 3 This is a schematic diagram of the frame top view of a drawer-type air filter device and a DCS system control cabinet of the utility model;

[0020] Figure 4 This is a schematic diagram of the framework decomposition structure of a drawer-type air filter device and a DCS system control cabinet of the utility model;

[0021] Figure 5This is a schematic diagram of the top view of the sealing plate of a drawer-type air filter device and a DCS system control cabinet of the utility model;

[0022] Figure 6 This is a schematic diagram of the inner structure of a drawer-type air filter device and a DCS system control cabinet frame of the utility model;

[0023] Figure 7 This is a schematic diagram of the frame cross-sectional structure of a drawer-type air filter device and a DCS system control cabinet of the utility model;

[0024] Figure 8 This is a schematic diagram of the top view structure of a drawer-type air filter device and a filter plate of a DCS system control cabinet of the utility model;

[0025] Fig. 9 This is a schematic diagram of the decomposed structure of a drawer-type air filter device and a filter plate of a DCS system control cabinet of the utility model;

[0026] Fig.10 This is an enlarged structural schematic diagram of point A of a drawer-type air filtering device and a DCS system control cabinet of the utility model.

[0027] In the figure: 1. frame; 2. cover plate; 3. slide plate; 4. pull plate; 5. first handle; 6. slide rod; 7. filter plate; 8. filter element; 9. sliding sleeve; 10. second handle; 11. plug plate; 12. fixing sleeve; 13. fixing block; 14. slot; 15. ventilation slot; 16. cabinet; 17. ventilation hole. DETAILED DESCRIPTION

[0028] Please refer to Figure 1-10 A drawer-type air filter device comprises a frame 1, the frame 1 is set as a U-shaped structure, a sealing plate 2 is installed at the left end of the frame 1, a slide plate 3 is installed on the sealing plate 2, a pull plate 4 is installed at the left end of the sealing plate 2, a first handle 5 is installed on the left side of the pull plate 4, and slide bars 6 are installed on both sides of the inner side of the frame 1; a filter plate 7, the filter plate 7 is installed in the inner right area of ​​the frame 1, the interior of the filter plate 7 is set as a hollow structure, a filter element 8 is installed therein, sliding sleeves 9 are installed on both sides of the filter plate 7, the sliding sleeves 9 are installed on the slide bar 6, a second handle 10 is installed on the left side of the filter plate 7, and a plug plate 11 is installed on the right side of the filter plate 7.

[0029] Preferably, two groups of sealing plates 2 are symmetrically installed at the left end of the frame 1, and the two groups of sealing plates 2 are respectively located at the top and bottom of the left end of the frame 1, and two groups of slide plates 3 are symmetrically installed on both sides of the sealing plate 2. Slide grooves compatible with the slide plates 3 are opened on both sides of the inner side of the frame 1, so that the slide plates 3 can be inserted into the slide grooves, so that the sealing plate 2 can be installed on the left side of the frame 1. At this time, the sealing plate 2 cannot move in the vertical direction, and the pull plate 4 is fixedly installed on the left side of the two groups of sealing plates 2. The pull plate 4 and the two left ends of the frame 1 are fixedly connected by two groups of mutually symmetrical fixing bolts, and then the pull plate 4 and the two groups of sealing plates 2 can be fixedly installed on the left side of the frame 1. The left area of ​​the frame 1 can be closed by the two groups of sealing plates 2 and one group of pull plates 4. The length of the inner area of ​​the frame 1 is equal to the length of the sealing plate 2 plus the filter plate 7. The pull plate 4 and the two groups of sealing plates 2 can be pulled to the left to separate from the frame 1 by the first handle 5 installed on the left side of the pull plate 4, thereby opening the left area of ​​the frame 1, so as to take out the filter plate 7 installed in the inner area of ​​the frame 1;

[0030] Preferably, the inner sides of the frame 1 are set as concave structures, and mounting grooves are opened on the inner sides of the frame 1, and the slide bar 6 is installed therein, and the right end of the slide bar 6 is fixedly connected to the right side of the mounting groove of the frame 1, so that the slide bar 6 and the frame 1 are fixedly connected, and a fixing sleeve 12 is fixedly installed in the mounting groove opened on the inner side of the frame 1, and the fixing sleeve 12 is fixedly connected to the inner wall of the mounting groove opened on the inner side of the frame 1 through three groups of fixing blocks 13 installed at the top, bottom and side, so that the fixing sleeve 12 can be fixedly installed in the mounting groove, and the slide bar 6 passes through the fixing sleeve 12, so that the fixing sleeve 12 can provide support for the slide bar 6 to prevent the slide bar 6 from bending downward due to the gravity of the filter plate 7 and the filter element 8 installed therein, and the fixing sleeve 12 and the fixing block 13 are on the right side of the sliding sleeve 9, and the sliding sleeve 9 is symmetrically installed in the middle of both sides of the filter plate 7, so that the fixing sleeve 12 and the fixing block 13 will not affect the sliding sleeve 9 to move to the left along the sliding rod 6, and thus will not affect the process of removing the filter plate 7 from the inner side of the frame 1.

[0031] Preferably, a slot 14 adapted to the plug plate 11 is provided at the inner left end of the frame 1. After the filter plate 7 is installed to the inner side of the frame 1, the plug plate 11 is in the slot 14 provided at the inner right end of the frame 1. At this time, the filter plate 7 closes the inner space of the frame 1, and the right side of the filter plate 7 contacts the inner left side of the frame 1. Thus, the friction between the plug plate 11 and the slot 14 can stabilize the filter plate 7, prevent the filter plate 7 from moving to the left along the two sets of slide bars 6, and ensure the stability of the inner structure of the frame 1.

[0032] Preferably, the filter plate 7 is evenly provided with a plurality of ventilation slots 15, the ventilation slots 15 are vertically provided on the filter plate 7, the ventilation slots 15 penetrate the filter plate 7, the interior of the filter plate 7 is set as a hollow structure, and the left end of the filter plate 7 is set as an opening structure, so that the filter element 8 can be installed in the internal space of the filter plate 7, the size of the filter element 8 is the same as the size of the internal space of the filter plate 7, the filter element 8 is provided with a plurality of groups of vertically arranged filter holes, the number of columns of the filter holes provided on the filter element 8 is the same as the number of columns of the ventilation slots 15 provided on the filter plate 7, after the filter element 8 is installed in the interior of the filter plate 7, each column of the filter holes provided on the filter element 8 is located in each column of the ventilation slots 15 provided on the filter plate 7, the ventilation slots 15 provided on the filter plate 7 can ensure the normal air circulation in the top and bottom spaces of the filter plate 7, and the filter element 8 can filter impurities in the air during this process;

[0033] Preferably, a groove is provided on the left side of the filter element 8, so that the filter element 8 can be easily pulled out from the filter plate 7 by a tool, so as to replace the filter element 8 in the filter plate 7. Two sets of second handles 10 are symmetrically installed on the left side of the filter plate 7, and the second handles 10 are located at the left edge of the filter plate 7. When the filter plate 7 needs to be taken out from the inner side of the frame 1, the pull plate 4 and the two sets of sealing plates 2 are first taken out from the left side of the frame 1, so that the left side of the frame 1 is in an open state, and then the filter plate 7 can be pulled out to the left from the inner side of the frame 1 by the two sets of second handles 10, so as to replace the filter element 8 in the filter plate 7;

[0034] A DCS system control cabinet includes a cabinet body 16. A vent 17 is provided on the top of the cabinet body 16. The size of the vent 17 is the same as the size of a filter plate 7 installed on the inner side of a frame 1. The filter plate 7 is located directly above the vent 17 so that the filter plate 7 and a filter element 8 provided in the filter plate 7 can prevent foreign matter in the outside air from entering the interior of the cabinet body 16 while ensuring the internal air circulation of the cabinet body 16.

[0035] The standard parts used in this embodiment can be purchased directly from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to technical personnel in this field, their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0036] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A drawer-type air filter device, comprising a frame (1), wherein the frame (1) is configured as a U-shaped structure, characterized in that: A sealing plate (2) is installed at the left end of the frame (1), a sliding plate (3) is installed on the sealing plate (2), a pulling plate (4) is installed at the left end of the sealing plate (2), a first handle (5) is installed on the left side of the pulling plate (4), and sliding rods (6) are installed on both sides of the inner side of the frame (1); A filter plate (7), the filter plate (7) being mounted on the inner right area of ​​the frame (1), the interior of the filter plate (7) being arranged as a hollow structure in which a filter element (8) is mounted, sliding sleeves (9) being mounted on both sides of the filter plate (7), the sliding sleeves (9) being mounted on the sliding rod (6), a second handle (10) being mounted on the left side of the filter plate (7), and an insert plate (11) being mounted on the right side of the filter plate (7).

2. A drawer-type air filter device according to claim 1, characterized in that: Two groups of sealing plates (2) are symmetrically installed at the left end of the frame (1), and the two groups of sealing plates (2) are respectively located at the top and bottom of the left end of the frame (1). Two groups of slide plates (3) are symmetrically installed on both sides of the sealing plate (2). Slide grooves matching the slide plates (3) are opened on both sides of the inner side of the frame (1). The pull plate (4) is fixedly installed on the left side of the two groups of sealing plates (2). The pull plate (4) and the two left ends of the frame (1) are fixedly connected by two groups of symmetrical fixing bolts. The length of the inner area of ​​the frame (1) is equal to the length of the sealing plate (2) plus the filter plate (7).

3. A drawer-type air filter device according to claim 1, characterized in that: The inner sides of the frame (1) are arranged as concave structures. The inner sides of the frame (1) are provided with mounting grooves in which the slide bar (6) is mounted. The right end of the slide bar (6) is fixedly connected to the right side of the mounting groove of the frame (1). A fixing sleeve (12) is fixedly installed in the mounting groove provided on the inner side of the frame (1). The fixing sleeve (12) is fixedly connected to the inner wall of the mounting groove provided on the inner side of the frame (1) through three groups of fixing blocks (13) provided on the top, bottom and side. The slide bar (6) passes through the fixing sleeve (12). The fixing sleeve (12) and the fixing block (13) are located on the right side of the sliding sleeve (9). The sliding sleeve (9) is symmetrically installed on both sides of the filter plate (7).

4. A drawer-type air filter device according to claim 1, characterized in that: The left inner end of the frame (1) is provided with a slot (14) adapted to the plug plate (11); after the filter plate (7) is installed on the inner side of the frame (1), the plug plate (11) is located in the slot (14) provided on the right inner end of the frame (1); at this time, the filter plate (7) closes the inner space of the frame (1), and the right side of the filter plate (7) contacts the left inner side of the frame (1).

5. The drawer-type air filter device according to claim 1, characterized in that: The filter plate (7) is evenly provided with a plurality of ventilation slots (15), the ventilation slots (15) are vertically provided on the filter plate (7), the ventilation slots (15) penetrate the filter plate (7), the interior of the filter plate (7) is arranged as a hollow structure, and the left end of the filter plate (7) is arranged as an open structure, the size of the filter element (8) is the same as the size of the internal space of the filter plate (7), the filter element (8) is provided with a plurality of groups of filter holes arranged vertically, and the number of rows of the filter holes provided on the filter element (8) is the same as the number of rows of the ventilation slots (15) provided on the filter plate (7).

6. A drawer-type air filter device according to claim 1, characterized in that: A groove is provided on the left side of the filter element (8), and two sets of second handles (10) are symmetrically installed on the left side of the filter plate (7), wherein the second handles (10) are located at the left edge of the filter plate (7).

7. A DCS system control cabinet, comprising a cabinet body (16), characterized in that: The top of the cabinet (16) is provided with a ventilation opening (17), the size of the ventilation opening (17) being the same as the size of a filter plate (7) installed on the inner side of the frame (1), and the filter plate (7) being located directly above the ventilation opening (17).

Images