Parallel type heat recovery double-rotating-wheel structure

Abstract

The utility model relates to the field of heat recovery, in particular to a parallel type heat recovery double-rotating-wheel structure which comprises a frame set, a plurality of rotating wheel cores arranged on the frame set and a driving assembly arranged on the frame set, and the driving assembly is used for driving the rotating wheel cores to rotate. The frame set comprises a plurality of splicing frames and positioning pieces used for connecting the adjacent splicing frames, each splicing frame comprises two sets of oppositely-arranged splicing frames, and each splicing frame comprises a connecting part, a sealing part arranged on the connecting part and arranged along the central axis of the runner core, a plurality of first supporting parts and a plurality of second supporting parts, and the first supporting parts and the second supporting parts are symmetrically arranged on the side wall of the connecting part; the first supporting parts, the second supporting parts, the sealing part and the connecting part are integrally formed. The utility model has the effects of saving the installation and processing cost, being convenient to assemble, reducing the weight of equipment and saving the installation space of the equipment.

Description

TECHNICAL FIELD

[0001] The application relates to the field of heat recovery, in particular to a parallel heat recovery double-rotor structure. BACKGROUND

[0002] Nowadays, industrialization is developing continuously, and air pollution is becoming increasingly serious. In order to solve the air safety problem in people's living space, fresh air systems are developing continuously.

[0003] The existing fresh air system includes a heat recovery rotor structure. Since the size of a single rotor in the heat recovery structure is large, an installation personnel needs to use a galvanized sheet to bend to form a frame. Meanwhile, the rotor needs to be driven by a driving structure. The driving structure includes a motor, a belt pulley and a belt. The motor drives the belt pulley and the belt to transmit power. In order to prevent the belt from slipping, a tensioning structure is also installed in the existing fresh air system. Since a single rotor is used for air flow transmission, in order to prevent air flow from intermingling, a brush is fixedly installed on the galvanized sheet frame by using a screw. Multiple structures are installed on the frame, so that the size of the entire heat recovery rotor structure is large.

[0004] The driving structure, the tensioning structure and the air-tight structure such as the brush are installed on the frame, so that the size of the system structure is large, the weight is heavy, the components are many, and the assembly is complicated, thereby increasing the cost. CONTENT OF THE INVENTION

[0005] In order to save the installation and processing cost, facilitate the assembly, reduce the weight of the equipment and save the equipment installation space, the application provides a parallel heat recovery double-rotor structure.

[0006] The parallel heat recovery double-rotor structure provided by the application adopts the following technical scheme:

[0007] The parallel heat recovery double-rotor structure includes a frame group, a plurality of rotor cores arranged on the frame group and a driving assembly arranged on the frame group. The driving assembly is used to drive the rotor core to rotate. The frame group includes a plurality of splicing frames and a positioning member used to connect adjacent splicing frames. The splicing frame includes two groups of oppositely arranged splicing frames. The splicing frame includes a connecting portion, a sealing portion arranged on the connecting portion and arranged along the central axis of the rotor core, a plurality of support portions one and a plurality of support portions two symmetrically arranged on the side wall of the connecting portion. The plurality of support portions one, the plurality of support portions two, the sealing portion and the connecting portion are integrally formed.

[0008] The frame group is used for mounting the rotating wheel core, the driving assembly is used for driving the rotating wheel core to rotate, the positioning piece improves the stability between the two adjacent spliced frames, the spliced frame is convenient for batch processing and production, the two groups of spliced frames are convenient for mounting or dismounting the spliced frame, the supporting part one and the supporting part two provide mounting space for the rotating wheel core, and the connecting part positions the rotating wheel core, so that the air duct baffle is convenient for subsequent installation and air duct division.

[0009] Preferably, the connecting part is provided with an opening for gas flow on the side facing the rotating wheel core.

[0010] Through the above technical scheme, the opening is convenient for gas flow, and the rotating wheel core is convenient for heat recovery operation.

[0011] Preferably, the sealing part includes a positioning plate arranged on the connecting part and a labyrinth sealing plate arranged along the length direction of the positioning plate, and the labyrinth sealing structure of the labyrinth sealing plate faces the side of the rotating wheel core.

[0012] Through the above technical scheme, the positioning plate is convenient for mounting the rotating shaft of the rotating wheel core, and the rotating wheel core is convenient for connection with the driving assembly, and the labyrinth sealing plate is used for improving the sealing property between the two air ducts.

[0013] Preferably, the sealing part is provided with a protruding strip on the side away from the rotating wheel core along the length direction.

[0014] Through the above technical scheme, the protruding strip is used for dividing the air duct of the rotating wheel core, and is convenient for subsequent installation or dismounting of the air duct baffle.

[0015] Preferably, the supporting part one is recessed inwardly away from the connecting part to form a mounting groove one, the supporting part two is recessed inwardly away from the connecting part to form a mounting groove two, the supporting part one is provided with a positioning boss on the side away from the connecting part, and the supporting part two is provided with a positioning groove matched with the positioning boss on the side away from the connecting part.

[0016] Through the above technical scheme, the mounting groove one is arranged on the supporting part one, which is used for reducing the weight of the supporting part one and improving the supporting effect of the supporting part one, the mounting groove two is arranged on the supporting part two, which is used for reducing the weight of the supporting part two and improving the supporting effect of the supporting part two, and the positioning boss and the positioning groove improve the connection stability of the two groups of spliced frames.

[0017] Preferably, the supporting part two is provided with a positioning nut located in the positioning groove, and the positioning boss is provided with a positioning bolt matched with the positioning nut.

[0018] Through the above technical scheme, the positioning nut and the positioning bolt further improve the stability between the two groups of spliced frames.

[0019] Preferably, the second support part is provided with an embedded block in the positioning groove, and the side wall of the positioning nut is provided with an embedded groove matched with the embedded block.

[0020] By using the above technical scheme, the embedded block and the embedded groove improve the stability of the positioning nut on the second support part.

[0021] Preferably, the driving assembly comprises a driving motor arranged on the frame group, a synchronous wheel arranged at the end of the rotating shaft of the runner core away from the driving motor, and a synchronous belt for connecting a plurality of synchronous wheels.

[0022] By using the above technical scheme, the driving motor drives the runner core to rotate, the runner core drives the synchronous wheel to rotate, the synchronous wheel drives the synchronous belt to move, and the synchronous belt drives the other synchronous wheels to rotate.

[0023] Preferably, the positioning plate is provided with a through hole, the through hole is provided with a bearing, the mounting plate on which the driving motor is mounted is provided with a positioning sleeve in the bearing, the positioning sleeve is provided with a flat hole for positioning the output end of the driving motor, and the output end of the driving motor is matched with the flat hole.

[0024] By using the above technical scheme, the through hole is used for mounting the bearing, and the bearing reduces the friction between the output end of the driving motor and the positioning plate.

[0025] In summary, the frame group of the present application is assembled by a plurality of spliced frames, is convenient to install and disassemble, has a sealing effect between air ducts, reduces the component installation steps, reduces the weight of the installed frame, reduces the burden of the equipment, and a plurality of runner cores can effectively improve the heat exchange efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structure diagram of a parallel heat recovery double-runner structure of the present application;

[0027] Figure 2 is Figure 1 is an enlarged view of A in FIG. 6;

[0028] Figure 3 is a sectional view of a parallel heat recovery double-runner structure of the present application Figure 1 ;

[0029] Figure 4 is Figure 3 is an enlarged view of B in FIG. 6;

[0030] Figure 5 is a sectional view of a parallel heat recovery double-runner structure of the present application Figure 2 .

[0031] Explanation of reference signs: 1, frame set; 2, runner core; 3, driving assembly; 31, driving motor; 32, synchronous wheel; 33, synchronous belt; 4, splicing frame; 41, splicing frame; 411, connecting part; 4111, open mouth; 412, sealing part; 4121, positioning plate; 4122, labyrinth sealing plate; 413, support part one; 414, support part two; 5, positioning member; 6, convex strip; 7, mounting groove one; 8, mounting groove two; 9, positioning boss; 10, positioning groove; 11, positioning nut; 12, positioning bolt; 13, embedded block; 14, embedded groove; 15, through hole; 16, bearing; 17, positioning sleeve; 18, flat hole. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying drawings. Figures 1-5 The present application is further described in detail.

[0033] The embodiment of the present application discloses a parallel heat recovery double-runner structure. Referring to Figure 1 and Figure 2 , comprising a frame set 1, a plurality of runner cores 2 installed in the frame set 1, and a driving assembly 3 installed on the frame set 1 and used to drive the runner core 2 to rotate, the frame set 1 comprises a plurality of splicing frames 4 and positioning members 5 used to connect adjacent two splicing frames 4. In the embodiment of the present application, two groups of splicing frames 4 and four groups of positioning members 5 are arranged, and one runner core 2 is installed in one group of splicing frames 4; in the specific implementation process, the corresponding number of splicing frames 4 and positioning members 5 can be arranged according to the needs. The splicing frame 4 comprises two groups of splicing frames 41 (splicing frame 41a, splicing frame 41b), the splicing frame 41 comprises a connecting part 411, a sealing part 412 installed on the side of the connecting part 411 facing the runner core 2, a plurality of support parts one 413 and a plurality of support parts two 414 installed on the side of the connecting part 411 facing the runner core 2 and arranged around the runner core 2. In the embodiment of the present application, the connecting part 411, the sealing part 412, the support part one 413 and the support part two 414 are formed by injection molding, which facilitates the installation or disassembly of the splicing frame 4. The side of the connecting part 411 facing the runner core 2 is provided with an open mouth 4111 for the circulation of gas, which facilitates the gas to enter and exit the runner core 2 and facilitates the heat recovery treatment of the runner core 2.

[0034] Referring to Figure 3 and Figure 4The support part one 413 and the support part two 414 are both provided in two groups, and the support part one 413 and the support part two 414 are symmetrically arranged with the central axis of the sealing part 412 as the axis of symmetry. In the specific implementation process, the number of the support part one 413 and the support part two 414 can be specifically set according to the size of the runner core 2, and the larger the size, the more the number. The support part one 413 is recessed inward with a mounting groove one 7 away from the connecting part 411, and the mounting groove one 7 effectively reduces the weight of the support part one 413, thereby reducing the weight of the overall frame group 1; the support part two 414 is recessed inward with a mounting groove two 8 away from the connecting part 411, and the mounting groove two 8 effectively reduces the weight of the support part two 414, thereby reducing the weight of the overall frame group 1.

[0035] Referring to Figure 3 and Figure 4 , the support part one 413 is fixedly installed with a positioning boss 9 away from one side of the connecting part 411, and the support part two 414 is provided with a positioning groove 10 matched with the positioning boss 9 away from one side of the connecting part 411. When the two groups of splicing frames 41 (splicing frame 41a, splicing frame 41b) are installed, the positioning boss 9 on the splicing frame 41a is inserted into the positioning groove 10 on the splicing frame 41b. In order to further improve the stability of the installation of the two groups of splicing frames 41, the support part two 414 is installed with a positioning nut 11 located in the positioning groove 10, and the positioning boss 9 is installed with a positioning bolt 12 matched with the positioning nut 11, and the two groups of splicing frames 41 are fixedly installed together through the threaded fixing of the positioning bolt 12 and the positioning nut 11, thereby improving the stability of the splicing frame 4. In order to improve the stability of the positioning nut 11, the support part two 414 is installed with an embedded block 13 located in the positioning groove 10, and the side wall of the positioning nut 11 is provided with an embedded groove 14 for embedding the embedded block 13, thereby improving the stability of the positioning nut 11. In the embodiment of the application, the positioning member 5 is a bolt and a nut, and the adjacent two groups of splicing frames 4 are fixed through the bolt and the nut, thereby improving the stability of the frame group 1.

[0036] Referring to Figure 1 and Figure 3 , the sealing part 412 includes a positioning plate 4121 installed on the connecting part 411 and a labyrinth sealing plate 4122 fixedly installed on one side of the positioning plate 4121 facing the runner core 2, and the labyrinth sealing plate 4122 is arranged along the diameter direction of the runner core 2, and is used for improving the sealing performance between the air ducts on both sides of the runner core 2. The sealing part 412 is provided with a convex strip 6 along the length direction away from one side of the runner core 2, and the height of the convex strip 6 is higher than the height of the table surface of the overall frame group 1, thereby facilitating the division of the air flow channel of the runner core 2, and the length extension direction of the labyrinth sealing plate 4122 is consistent with the convex strip 6.

[0037] Referring to Figure 3 and Figure 5The driving assembly 3 comprises a driving motor 31 fixedly installed on the frame assembly 1, a synchronous wheel 32 and a synchronous belt 33, the output end of the driving motor 31 is connected with one end of the rotating shaft of the runner core 2, the synchronous wheel 32 is fixedly installed on the other end of the rotating shaft of the runner core 2, and the synchronous belt 33 is used for driving a plurality of synchronous wheels 32 to rotate. Two groups of runner cores 2 are arranged in the application, the driving motor 31 drives the runner core 2 to rotate, the synchronous wheel 32 on the runner core 2 rotates synchronously, the synchronous wheel 32 drives the synchronous belt 33 to move, and the synchronous belt 33 drives another synchronous wheel 32 to rotate, thereby driving another group of runner cores 2 to rotate. A through hole 15 is arranged on the positioning plate 4121 and located at the rotating shaft of the runner core 2, a bearing 16 is fixedly installed on the positioning plate 4121 and located in the through hole 15, and the friction between the rotating shaft of the runner core 2 and the positioning plate 4121 is effectively reduced. The positioning sleeve 17 located in the bearing 16 is installed on the positioning plate 4121 on which the driving motor 31 is installed, a flat hole 18 is arranged on the positioning sleeve 17, the output end of the driving motor 31 is matched with the flat hole 18, and the stability of the driving motor 31 in driving the runner core 2 to rotate is improved.

[0038] The splicing frame 41 is formed by injection molding and is a unified injection molding part. The frame assembly 1 is spliced by a plurality of splicing frames 41, so that the frame assembly 1 is convenient to install or disassemble, the phenomenon that the installation of the frame assembly 1 is affected by the mistake or omission of the staff in carrying parts is reduced, and the splicing frame 41 in the application has the advantages of light weight and convenient installation compared with the runner installation structure in the prior art. The sealing part 412 between the air ducts is arranged on the splicing frame 41, so that the sealing structure does not need to be separately installed, the installation steps are reduced, the assembly efficiency is improved, and the cost is reduced. In the embodiment of the application, two runner cores 2 with a diameter of 180 are adopted, and the recovery efficiency of this group is better than that of the runner core 2 with a diameter of 400 in the prior art in the experimental process, so that the installation space of the whole device is effectively reduced, the device installation space is saved, and the device processing cost is saved.

[0039] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made on the basis of the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A parallel heat recovery double-rotary structure, characterized in that: The utility model relates to a frame group (1), a plurality of setting frame group (1) on the runner core (2) and setting frame group (1) on the drive assembly (3) are provided, the drive assembly (3) is used to drive runner core (2) rotation, frame group (1) includes a plurality of spliced frame (4) and the positioning member (5) for connecting adjacent spliced frame (4), spliced frame (4) includes two sets of opposite spliced frame (41), spliced frame (41) includes connecting portion (411), the sealing portion (412) that sets up connecting portion (411) and along runner core (2) middle axis is set up, a plurality of support portion one (413) and support portion two (414) are symmetrically set up on the side wall of connecting portion (411), a plurality of support portion one (413), a plurality of support portion two (414), sealing portion (412) and connecting portion (411) are integrally formed.

2. A parallel-flow heat recovery double-rotary structure according to claim 1, characterized in that: Connecting portion (411) towards runner core (2) one side is provided with the open mouth (4111) for gas circulation.

3. The parallel heat recovery double-rotary structure according to claim 1, characterized in that: The sealing portion (412) includes a positioning plate (4121) disposed on the connecting portion (411) and a labyrinth seal plate (4122) disposed along the length direction of the positioning plate (4121), and the labyrinth seal structure of the labyrinth seal plate (4122) faces one side of the runner core (2).

4. The parallel heat recovery double-rotary structure according to claim 3, characterized in that: The side of the sealing portion (412) away from the runner core (2) is provided with a protruding strip (6) along the length direction.

5. The parallel heat recovery double-rotary structure according to claim 1, characterized in that: The support portion one (413) is recessed inwardly away from the connecting portion (411) to form a mounting groove one (7), the support portion two (414) is recessed inwardly away from the connecting portion (411) to form a mounting groove two (8), one side of the support portion one (413) away from the connecting portion (411) is provided with a positioning boss (9), one side of the support portion two (414) away from the connecting portion (411) is provided with a positioning groove (10) matched with the positioning boss (9).

6. A parallel flow heat recovery double wheel structure according to claim 5, characterized in that: The support portion two (414) is provided with a positioning nut (11) located in the positioning groove (10), and the positioning boss (9) is provided with a positioning bolt (12) matched with the positioning nut (11).

7. A parallel flow heat recovery double wheel structure according to claim 6, characterized in that: The support portion two (414) is provided with an embedded block (13) located in the positioning groove (10), and the side wall of the positioning nut (11) is provided with an embedded groove (14) matched with the embedded block (13).

8. A parallel flow heat recovery double wheel structure according to claim 3, characterized in that: The drive assembly (3) includes a drive motor (31) disposed on the frame group (1), a synchronous wheel (32) disposed on the rotating shaft of the runner core (2) away from the drive motor (31), and a synchronous belt (33) used for connecting a plurality of synchronous wheels (32).

9. The parallel heat recovery double-rotary structure according to claim 8, characterized in that: The positioning plate (4121) is provided with a through hole (15), the through hole (15) is provided with a bearing (16), the mounting plate of the drive motor (31) is provided with a positioning sleeve (17) located in the bearing (16), the positioning sleeve (17) is provided with a flat hole (18) used for positioning the output end of the drive motor (31), and the output end of the drive motor (31) is matched with the flat hole (18).

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