Wind scooper of plate-fin heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a plate-fin heat exchanger wind scooper which comprises a wind scooper body, a filter screen, a mounting support and a motor, the wind scooper body comprises a connecting port and a mounting port, the filter screen and the mounting support are mounted on the mounting port through a mounting structure, the outer diameter of the filter screen is matched with the inner diameter of the mounting port, and the motor is arranged on the mounting port. The motor is fixed to the outer side of the mounting support, the output end of the motor extends to the inner side of the filter screen, the mounting structure comprises a plurality of inserting grooves formed in the inner side wall of the mounting opening, positioning columns are fixed to the inner sides of the inserting grooves, and the mounting support is fixedly connected with the positioning columns through fixing bolts. The outer periphery of the filter screen is provided with a plurality of sliding parts in one-to-one correspondence with the positioning columns, the stability of the motor is improved by arranging the mounting bracket, and the filter screen is movably arranged on the inner side of the mounting port by arranging the inserting grooves, the positioning columns, the fixing bolts and the springs, so that the self-cleaning effect can be achieved, and meanwhile, the later maintenance is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to an air guide cover of a plate-fin type heat exchanger. Background Art

[0002] Plate-fin heat exchangers are often used in agricultural machinery. They are usually composed of structures such as partitions, fins, and sealing plates. Fins, guide vanes, and sealing plates are placed between two adjacent partitions to form a sandwich, called a channel. Multiple such sandwiches are stacked according to different fluid methods. When external cold air fluid is used as the heat exchange medium, an air guide cover is generally set at the entrance of the air-cooled fin channel facing the plate-fin heat exchange core to efficiently guide the airflow to meet the expected heat exchange requirements. When the hot fluid flowing in the plate-fin heat exchange core is dissipated by air cooling, the heat exchanger is often installed in places with abundant wind resources. The air guide mechanism is used to blow the cold air through the air guide cover into the air-cooled channel of the heat exchange core, so that the heat conducted from the hot fluid fin channel to the fin wall of the adjacent air-cooled channel is taken away by the cold air, thereby achieving cooling of the hot fluid to maintain the normal operation of the heat exchange system equipment.

[0003] In the Chinese Patent Literature Library, a patent with authorization announcement number CN213396682U discloses a plate-fin heat exchanger air guide cover structure. By setting a motor assembly class and a number of fastening claws on the outside of the dustproof net, the motor is installed on the outside of the dustproof net to avoid damage to the dustproof net caused by vibration of the motor and reduce the stability of the motor. However, the dustproof net still needs to be cleaned frequently during actual use to prevent dust from adhering to the dustproof net and affecting the air intake effect. Summary of the invention

[0004] The utility model aims to provide an air guide cover for a plate-fin heat exchanger to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plate-fin heat exchanger air guide cover, comprising an air guide cover body, a filter, a mounting bracket and a motor, the air guide cover body comprising a connecting port and a mounting port arranged in the middle of one end of the connecting port, the filter screen and the mounting bracket are installed on the mounting port through a mounting structure, and the outer diameter of the filter screen is matched with the inner diameter of the mounting port, the motor is fixed to the outside of the mounting bracket, and the output end of the motor extends to the inside of the filter screen, the mounting structure comprises a plurality of plug-in slots arranged on the inner side wall of the mounting port, and the inner sides of the plug-in slots are fixed with positioning columns, the mounting bracket is fixedly connected to the positioning columns by fixing bolts, and the outer periphery of the filter screen is provided with a plurality of sliding parts corresponding to the positioning columns one by one, and the sliding parts are sleeved on the positioning columns.

[0006] Furthermore, the size of the installation port is smaller than the size of the connection port, and a transition section is provided between the connection port and the installation port.

[0007] Furthermore, a mounting portion is provided on the outer periphery of the connecting port.

[0008] Furthermore, the sliding part is provided with a through hole for accommodating the positioning column to pass through, and the positioning columns on both sides of the sliding part are sleeved with springs.

[0009] Furthermore, the mounting bracket includes a middle mounting plate and a plurality of connecting plates fixed at the edges of the connecting plates, the connecting plates correspond to the positioning columns one by one, and are all provided with mounting holes.

[0010] Furthermore, a slag discharge port can be opened and closed at the bottom end of the connection port.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] By setting the mounting bracket, the motor is directly fixed on the outside of the mounting port, which improves the stability of the motor installation and reduces the impact of vibration on the filter during operation;

[0013] By setting the plug-in slots, positioning columns and fixing bolts, the filter and the mounting bracket can be easily disassembled and assembled, which makes it easier to clean and maintain later. By setting the spring, the filter can be movable on the inside of the mounting port, and the filter can be driven to shake back and forth by the switch of the motor, which plays a self-cleaning role and avoids frequent disassembly and assembly of the filter and the mounting bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is an explosion diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. air guide cover body; 101. connection port; 102. installation port; 103. transition section; 104. installation part; 2. filter screen; 201. sliding part; 3. installation bracket; 301. installation plate; 302. connection plate; 4. motor; 5. installation structure; 501. plug-in slot; 502. positioning column; 503. fixing bolt; 504. spring. DETAILED DESCRIPTION

[0019] 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. In the description of the utility model, it should be noted that the terms "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In order to make the terms "including" and any variations of them in the specification and claims of the utility model and the above-mentioned drawings, it is intended to cover non-exclusive inclusions.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0021] See also Figure 1-4 The utility model provides an embodiment: a plate-fin heat exchanger air guide cover, including an air guide cover body 1, a filter 2, a mounting bracket 3 and a motor 4. The air guide cover body 1 includes a connecting port 101 and a mounting port 102 arranged in the middle of one end of the connecting port 101. The size of the mounting port 102 is smaller than the size of the connecting port 101, and a transition section 103 is arranged between the connecting port 101 and the mounting port 102. A mounting portion 104 is arranged on the outer periphery of the connecting port 101. Specifically, the connecting port 101 is a cube structure, and the mounting port 102 is a cylindrical structure. The two are connected by a transition section 103. A plurality of mounting holes are arranged on the mounting portion 104, which is fixed to the air inlet of the plate-fin heat exchanger by bolts.

[0022] The filter screen 2 and the mounting bracket 3 are mounted on the mounting opening 102 through the mounting structure 5, and the outer diameter of the filter screen 2 is matched with the inner diameter of the mounting opening 102. The motor 4 is fixed on the outer side of the mounting bracket 3, and the output end of the motor 4 extends to the inner side of the filter screen 2. A through hole for accommodating the output end of the motor 4 is provided in the middle of the filter screen 2. The mounting structure 5 includes a plurality of plug-in slots 501 provided on the inner side wall of the mounting opening 102, and a positioning column 502 is fixed on the inner side of the plug-in slots 501. The positioning column 502 is specifically arranged along an axial direction parallel to the mounting opening 102. The mounting bracket 3 is fixedly connected to the positioning column 502 by fixing bolts 503. Specifically, the mounting bracket 3 includes a middle mounting plate 301 and a plurality of connecting plates 302 fixed at the edges of the connecting plates 302. The connecting plates 302 correspond to the positioning columns 502 one by one, and are both provided with mounting holes. During assembly, the connecting plate 302 is directly abutted against the end of the positioning column 502, and then the two are fixedly connected by fixing bolts 503.

[0023] The outer periphery of the filter screen 2 is provided with a plurality of sliding parts 201 corresponding to the positioning posts 502 one by one. The sliding parts 201 are sleeved on the positioning posts 502. The sliding parts 201 are penetrated with through holes for accommodating the positioning posts 502 to pass through. Springs 504 are sleeved on the positioning posts 502 on both sides of the sliding parts 201. The connecting plate 302 abuts against the ends of the positioning posts 502 and can also limit the springs 504. Openings are provided on the inner side of the plug-in slot 501 and the end away from the connecting port 101, so that the sliding part 201 can be inserted into the plug-in slot 501 during installation, and can slide back and forth along the direction of the plug-in slot 501. The two ends of the sliding part 201 are abutted with springs 504. The sliding part 201 can shake back and forth through the wind pressure and the elastic support of the springs 504, which plays a self-cleaning role. At the same time, the outer diameter of the filter screen 2 is adapted to the inner diameter of the installation port 102, which does not affect the dustproof effect of the filter screen 2.

[0024] Furthermore, a slag discharge port can be opened and closed at the bottom of the connection port 101 to facilitate the discharge of dust and the like accumulated at the bottom of the air guide cover body 1 .

[0025] Working principle: When working, the output end of the motor 4 extends to the inner side of the filter 2 to install the fan blades, and the air guide cover body 1 is installed at the air inlet of the plate-fin heat exchanger. The motor 4 drives the fan blades to rotate to let in air, and filters out some dust through the filter 2. At the same time, the filter 2 compresses the spring 504 under the action of wind pressure. When the motor 4 stops, the spring 504 pushes the filter 2 to reset, driving the filter 2 to shake back and forth to achieve self-cleaning. When disassembly and assembly is required, the fixing bolt 503 is directly removed, and the filter 2 and the mounting bracket 3 can be disassembled and assembled at the same time, which is convenient for later cleaning and maintenance.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plate-fin heat exchanger air guide cover, comprising an air guide cover body (1), a filter screen (2), a mounting bracket (3) and a motor (4), characterized in that: The air guide cover body (1) comprises a connection port (101) and a mounting port (102) arranged in the middle of one end of the connection port (101); the filter screen (2) and the mounting bracket (3) are mounted on the mounting port (102) via a mounting structure (5); the outer diameter of the filter screen (2) matches the inner diameter of the mounting port (102); the motor (4) is fixed on the outer side of the mounting bracket (3); the output end of the motor (4) extends to the inner side of the filter screen (2); the mounting structure (5) comprises a plurality of plug-in slots (501) arranged on the inner side wall of the mounting port (102); the inner sides of the plug-in slots (501) are each fixed with a positioning column (502); the mounting bracket (3) is fixedly connected to the positioning column (502) via a fixing bolt (503); the outer periphery of the filter screen (2) is provided with a plurality of sliding portions (201) corresponding to the positioning columns (502); the sliding portions (201) are sleeved on the positioning columns (502).

2. The air guide cover of the plate-fin heat exchanger according to claim 1, characterized in that: The size of the installation opening (102) is smaller than the size of the connection opening (101), and a transition section (103) is provided between the connection opening (101) and the installation opening (102).

3. The air guide cover of the plate-fin heat exchanger according to claim 1, characterized in that: A mounting portion (104) is provided on the outer periphery of the connection port (101).

4. The air guide cover of the plate-fin heat exchanger according to claim 1, characterized in that: The sliding part (201) is provided with a through hole for accommodating the positioning column (502) to pass through, and the positioning columns (502) on both sides of the sliding part (201) are sleeved with springs (504).

5. The air guide cover of the plate-fin heat exchanger according to claim 1, characterized in that: The mounting bracket (3) comprises a central mounting plate (301) and a plurality of connecting plates (302) fixed at the edges of the connecting plates (302); the connecting plates (302) correspond to the positioning columns (502) one by one and are all provided with mounting holes.

6. The air guide cover of the plate-fin heat exchanger according to claim 1, characterized in that: The bottom end of the connection port (101) is provided with a slag discharge port which can be opened and closed.

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