Fresh air heating system suitable for severe cold area

Abstract

The utility model relates to the technical field of fresh air heating, and discloses a fresh air heating system suitable for severe cold areas, which comprises a machine body shell, a partition plate is fixedly mounted in the machine body shell, a heat exchange core is fixedly mounted in the middle of the partition plate, and two groups of positioning blocks are fixedly mounted on the outer wall of the front side of the partition plate. According to the device, through rotation of a movable rod, a worker can control rotation of a driving block, a movable block is contained in a second movable groove, at the moment, a connecting plate can be easily disassembled, through arrangement of a fixing head and a first spring, the worker can disassemble and assemble a filtering plate at will, and compared with a traditional device, the device has the advantages that the working efficiency is improved; according to the device, the two groups of mounting brackets can be easily dismounted and mounted, the replacement burden of workers is relieved, meanwhile, the clamping grooves of the multiple groups of filter plates are formed in the mounting brackets, the workers can carry out customized dismounting and mounting on the filter plates according to requirements, and the air filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air heating, and more specifically, the utility model relates to a fresh air heating system suitable for severe cold regions. Background Technique

[0002] The fresh air system itself is a ventilation system that sends outdoor air into the room after filtering and purification. It can effectively improve the indoor air quality. The fresh air heating system is a functional extension of the fresh air system. It adds a heating function on this basis, so that the air sent into the room can maintain an appropriate temperature. Especially in severe cold regions, fresh air heating is particularly important.

[0003] At present, when the heating system of fresh air heating heats and supplies air, it will filter the air source at the fresh air inlet and the dirty air inlet. After the filtering is completed, it passes through a heat exchanger to heat the filtered hot air in the room to the outside cold air, so as to achieve fresh air heating.

[0004] In this process, the filtration and purification of air are particularly important. It can not only isolate foreign impurities but also prevent fresh air from being polluted by dirty air. Therefore, it is inevitable to maintain and clean the filtration system. After the filtration equipment of the current fresh air heating system has been used for a long time, it is necessary to disassemble the shell of the fresh air exchange equipment to replace the filter element inside. Moreover, the fresh air exchange equipment is usually installed at a high place, making it difficult for maintenance personnel to operate. Therefore, it needs to be improved and optimized. Summary of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a fresh air heating system suitable for severe cold regions, which has the advantages of good ventilation quality and high replacement efficiency.

[0006] To achieve the above object, the utility model provides the following technical solution: A fresh air heating system suitable for severe cold regions, including a body shell, a partition is fixedly installed inside the body shell, a heat exchange core is fixedly installed in the middle of the partition, and two groups of positioning blocks are fixedly installed on the front outer wall of the partition;

[0007] A connecting plate is detachably installed on the front side of the body shell. Installation brackets are fixedly installed at the left and right ends of the rear side of the connecting plate. An activity slot two is opened on the front outer wall of the body shell. A driving block is rotatably installed inside the activity slot two. A moving block is movably installed inside the activity slot two. The moving block and the inner wall of the activity slot two are elastically connected by a second spring. A fixed plug is fixedly installed at the right end of the moving block. The left side of the fixed plug penetrates into the inside of the connecting plate and fixes the connecting plate;

[0008] A connecting rod is fixedly installed on the front side of the driving block. The connecting rod penetrates through the outer wall of the body shell and is movably sleeved with the movable rod. One end of the movable rod is fixedly installed with a fixing rod. A fixing hole is fixedly installed on the outer wall of the body shell. The fixing rod is located inside the fixing hole to fix the movable rod.

[0009] As a preferred technical solution of the present invention, an air outlet box is fixedly installed on the rear side of the partition board. A fresh air fan is fixedly installed inside the air outlet box. A dirty air fan is fixedly installed inside the body shell. The dirty air fan is located on the right side of the dirty air inlet.

[0010] A guiding pipe is fixedly installed at the fresh air outlet of the heat exchange core. The guiding pipe and the air outlet box are interconnected through a heat conduction pipe. A heating copper wire is fixedly installed on the outer wall of the heat conduction pipe.

[0011] As a preferred technical solution of the present invention, a dirty air inlet is provided at the left end of the front side of the partition board, and a fresh air inlet is provided at the right end of the front side of the partition board; a fresh air outlet is provided at the left end of the rear side of the partition board, and a dirty air outlet is provided at the right end of the rear side of the partition board.

[0012] As a preferred technical solution of the present invention, the movable rod is movably installed inside the connecting rod, and the movable rod and the inner wall of the connecting rod are elastically connected by a spring three.

[0013] As a preferred technical solution of the present invention, positioning grooves are provided on the rear sides of the mounting brackets, and the positioning grooves correspond to the positioning blocks.

[0014] As a preferred technical solution of the present invention, a filter plate is clamped inside the mounting bracket. An activity groove one is provided on the inner wall of the driving block. A fixing head is movably installed inside the activity groove one. One end of the fixing head abuts against the outer wall of the filter plate.

[0015] As a preferred technical solution of the present invention, one end of the fixing head and the inner wall of the activity groove one are elastically connected by a spring one. The fixed end of the fixing head is dome-shaped.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. By rotating the movable rod, the staff can control the rotation of the driving block. After the driving block rotates 90 degrees, the moving block is received inside the second movable groove, enabling the connecting plate to be easily disassembled. Through the arrangement of the fixing head and the first spring, the staff can freely disassemble and install the filter plate. Compared with traditional devices, this device can easily disassemble and install the two groups of mounting brackets, reducing the replacement burden on the staff. At the same time, there are multiple clamping grooves for the filter plate inside the mounting bracket, allowing the staff to customize the disassembly and installation of the filter plate according to needs, improving the air filtration efficiency and ensuring the quality of fresh air.

[0018] 2. The present utility model collects the fresh air through the guiding pipe. Through the arrangement of the heating copper wire and the heat conducting pipe, the fresh air is concentrated and evenly heated by the heat conducting pipe, and finally discharged from the fresh air outlet, effectively improving the problem of insufficient heat after the heat exchange of the fresh air in the heat exchange core, and ensuring the hot air supply operation of the device in cold regions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is an exploded view of the connecting plate of the present utility model;

[0021] Figure 3 is a schematic structural diagram of the heat conducting pipe of the present utility model;

[0022] Figure 4 is a schematic structural diagram of the fixing head of the present utility model;

[0023] Figure 5 is a schematic structural diagram of the driving block of the present utility model;

[0024] Figure 6 is a schematic structural diagram of the connecting rod of the present utility model.

[0025] In the figure: 1. Body shell; 2. Partition board; 3. Heat exchange core; 4. Polluted air inlet; 5. Polluted air outlet; 6. Fresh air inlet; 7. Fresh air outlet; 8. Positioning block; 9. Connecting plate; 10. Mounting bracket; 11. Positioning groove; 12. Filter plate; 13. Fixing head; 14. First movable groove; 15. First spring; 16. Second movable groove; 17. Moving block; 18. Second spring; 19. Fixed bolt; 20. Driving block; 21. Connecting rod; 22. Movable rod; 23. Third spring; 24. Fixed rod; 25. Fixed hole; 26. Polluted air fan; 27. Guiding pipe; 28. Air outlet box; 29. Heat conducting pipe; 30. Heating copper wire; 31. Fresh air fan. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0027] As Figures 1 to 6 shown, the present invention provides a fresh air heating system suitable for cold regions, which includes a body shell 1. A partition 2 is fixedly installed inside the body shell 1. A heat exchange core 3 is fixedly installed in the middle of the partition 2. Two groups of positioning blocks 8 are fixedly installed on the front outer wall of the partition 2;

[0028] A connecting plate 9 is detachably installed on the front side of the body shell 1. Installation brackets 10 are fixedly installed at the left and right ends of the rear side of the connecting plate 9. A second movable groove 16 is formed in the front outer wall of the body shell 1. A driving block 20 is rotatably installed inside the second movable groove 16. A moving block 17 is movably installed inside the second movable groove 16. The moving block 17 and the inner wall of the second movable groove 16 are elastically connected by a second spring 18. A fixed plug 19 is fixedly installed at the right end of the moving block 17. The left side of the fixed plug 19 penetrates into the inside of the connecting plate 9 and fixes the connecting plate 9;

[0029] A connecting rod 21 is fixedly installed on the front side of the driving block 20. The connecting rod 21 penetrates through the outer wall of the body shell 1 and is movably sleeved with a movable rod 22. One end of the movable rod 22 is fixedly installed with a fixed rod 24. A fixing hole 25 is fixedly installed on the outer wall of the body shell 1. The fixed rod 24 is located inside the fixing hole 25 to fix the movable rod 22.

[0030] When ventilation and heating of the indoor environment are required, the staff starts the dirty air fan 26 and the fresh air fan 31. The dirty air fan 26 operates to suck the warm dirty air in the room from the dirty air inlet 4 into the interior of the heat exchange core 3, and the fresh air fan 31 sucks the fresh air from the outside into the heat exchange core 3 through the fresh air inlet 6. Inside the heat exchange core 3, the dirty air heats the fresh air. Finally, the dirty air is discharged from the dirty air outlet 5, and the heated fresh air is discharged into the room through the fresh air outlet 7. During the air exchange process, the filter plate 12 inside the mounting bracket 10 filters the dirty air and the fresh air. After working for a long time, the staff lifts the movable rod 22 outwards, causing the fixed rod 24 to disengage from the inside of the fixing hole 25, and then rotates the movable rod 22. At this time, the movable rod 22 drives the driving block 20 to rotate through the connecting rod 21. After losing the resistance of the driving block 20, the moving block 17 is received into the inside of the movable groove two 16 by the elastic potential energy of the spring two 18. Further, the connecting plate 9 can be removed. At this time, after the staff removes the connecting plate 9, the filter plate 12 inside the mounting bracket 10 can be replaced and cleaned. At this time, the staff lifts the filter plate 12 upwards, and the outer wall of the filter plate 12 receives an upward external force, thereby squeezing the fixing head 13, causing the fixing head 13 to be received into the inside of the movable groove one 14. After the replacement is completed, the staff resets the filter plate 12. At this time, the elastic potential energy of the spring one 15 causes the fixing head 13 and the filter plate 12 to abut against each other, preventing the filter plate 12 from falling off. Finally, the staff aligns the positioning groove 11 and the positioning block 8 to reset the connecting plate 9, and aligns the fixed rod 24 and the fixing hole 25, so that the fixed rod 24 enters the inside of the fixing hole 25 by the elastic potential energy of the spring three 23, and the driving block 20 is reset to complete the fixation of the connecting plate 9.

[0031] By rotating the movable rod 22, the staff can control the rotation of the driving block 20. After the driving block 20 rotates 90 degrees, the moving block 17 is received into the inside of the movable groove two 16, making the connecting plate 9 easy to disassemble. Through the setting of the fixing head 13 and the spring one 15, the staff can disassemble and install the filter plate 12 at will. Compared with traditional devices, this device can easily disassemble and install the two groups of mounting brackets 10, reducing the replacement burden on the staff. At the same time, multiple clamping grooves for the filter plate 12 are provided inside the mounting bracket 10, and the staff can customize the disassembly and installation of the filter plate 12 according to needs, improving the air filtration efficiency and ensuring the quality of the fresh air.

[0032] Among them, an air outlet box 28 is fixedly installed at the rear side of the partition plate 2, a fresh air fan 31 is fixedly installed inside the air outlet box 28, a dirty air fan 26 is fixedly installed inside the machine body shell 1, and the dirty air fan 26 is located on the right side of the dirty air inlet 4;

[0033] A guide pipe 27 is fixedly installed at the fresh air outlet of the heat exchange core 3. The guide pipe 27 and the air outlet box 28 are interconnected through a heat conduction pipe 29, and a heating copper wire 30 is fixedly installed on the outer wall of the heat conduction pipe 29.

[0034] When fresh air is discharged at the fresh air outlet 7, when the heat of the fresh air is insufficient, the staff can energize the heating copper wire 30 to heat the outer wall of the heat conduction pipe 29. Due to the good heat conduction performance of the heat conduction pipe 29, the heat conduction pipe 29 will uniformly heat the fresh air to ensure the fresh air supply of the device in cold regions.

[0035] The fresh air is converged through the guide pipe 27. Through the arrangement of the heating copper wire 30 and the heat conduction pipe 29, the fresh air is concentrated and uniformly heated by the heat conduction pipe 29, and finally discharged from the fresh air outlet 7, effectively improving the problem of insufficient heat of the fresh air after heat exchange in the heat exchange core 3, and ensuring the hot air supply operation of the device in cold regions.

[0036] Among them, a dirty air inlet 4 is arranged at the left end of the front side of the partition plate 2, and a fresh air inlet 6 is arranged at the right end of the front side of the partition plate 2; a fresh air outlet 7 is arranged at the left end of the rear side of the partition plate 2, and a dirty air outlet 5 is arranged at the right end of the rear side of the partition plate 2.

[0037] The operation of the dirty air fan 26 sucks the warm dirty air in the room from the dirty air inlet 4 into the interior of the heat exchange core 3, and the fresh air fan 31 sucks the fresh air from the outside into the heat exchange core 3 from the fresh air inlet 6. When inside the heat exchange core 3, the dirty air heats the fresh air, and finally the dirty air is discharged from the dirty air outlet 5, while the heated fresh air is discharged into the room from the fresh air outlet 7.

[0038] Among them, the movable rod 22 is movably installed inside the connecting rod 21, and the movable rod 22 and the inner wall of the connecting rod 21 are elastically connected through a third spring 23.

[0039] The elastic potential energy of the third spring 23 will drive the fixed rod 24 into the interior of the fixed hole 25 to complete the fixation of the driving block 20.

[0040] Among them, positioning grooves 11 are provided on the rear sides of the mounting brackets 10, and the positioning grooves 11 correspond to the positioning blocks 8.

[0041] Through the arrangement of the positioning grooves 11 and the positioning blocks 8, the staff can position the mounting brackets 10 during installation.

[0042] Among them, a filter plate 12 is clamped inside the mounting bracket 10, a first movable groove 14 is provided on the inner wall of the driving block 20, and a fixed head 13 is movably installed inside the first movable groove 14. One end of the fixed head 13 abuts against the outer wall of the filter plate 12.

[0043] One end of the fixed head 13 is elastically connected to the inner wall of the first movable slot 14 through a first spring 15, and the fixed end of the fixed head 13 is dome-shaped.

[0044] After the replacement is completed, the staff resets the filter plate 12. At this time, the elastic potential energy of the first spring 15 will cause the fixed head 13 and the filter plate 12 to abut against each other, preventing the filter plate 12 from falling off.

[0045] The working principle and usage process of the utility model are as follows:

[0046] When ventilation and heating of the room are required, the staff starts the dirty air fan 26 and the fresh air fan 31. The dirty air fan 26 operates to suck the warm dirty air in the room from the dirty air inlet 4 into the interior of the heat exchange core 3, and the fresh air fan 31 sucks the fresh air from the outside into the heat exchange core 3 through the fresh air inlet 6. Inside the heat exchange core 3, the dirty air heats the fresh air. Finally, the dirty air is discharged from the dirty air outlet 5, and the heated fresh air is discharged into the room through the fresh air outlet 7. When air exchange is carried out, the filter plate 12 inside the mounting bracket 10 filters the dirty air and the fresh air. After working for a long time, the staff lifts the movable rod 22 outwards to disengage the fixed rod 24 from the inside of the fixing hole 25, and then rotates the movable rod 22. At this time, the movable rod 22 drives the driving block 20 to rotate through the connecting rod 21. After losing the abutment of the driving block 20, the moving block 17 will be received into the second movable slot 16 through the elastic potential energy of the second spring 18. Further, the connecting plate 9 can be removed. At this time, after the staff removes the connecting plate 9, the filter plate 12 inside the mounting bracket 10 can be replaced and cleaned. At this time, the staff lifts the filter plate 12 upwards, and the outer wall of the filter plate 12 receives an external force upwards, thereby squeezing the fixed head 13 and causing the fixed head 13 to be received into the first movable slot 14. After the replacement is completed, the staff resets the filter plate 12. At this time, the elastic potential energy of the first spring 15 will cause the fixed head 13 and the filter plate 12 to abut against each other, preventing the filter plate 12 from falling off. Finally, the staff aligns the positioning slot 11 and the positioning block 8 to reset the connecting plate 9, and aligns the fixed rod 24 and the fixing hole 25, so that the fixed rod 24 enters the inside of the fixing hole 25 through the elastic potential energy of the third spring 23, and the driving block 20 is reset to complete the fixation of the connecting plate 9.

[0047] When fresh air is discharged at the fresh air outlet 7, when the heat of the fresh air is insufficient, the staff can energize the heating copper wire 30, so that the heating copper wire 30 heats the outer wall of the heat conduction tube 29. Due to the good heat conduction performance of the heat conduction tube 29, the heat conduction tube 29 will uniformly heat the fresh air to ensure the fresh air supply of the device in cold regions.

[0048] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0049] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fresh air heating system suitable for severely cold regions, comprising a housing (1), characterized in that: A partition (2) is fixedly mounted inside the housing (1), a heat exchange core (3) is fixedly mounted in the middle of the partition (2), and two groups of positioning blocks (8) are fixedly mounted on the front outer wall of the partition (2); A connecting plate (9) is detachably mounted on the front side of the housing (1), and mounting brackets (10) are fixedly mounted on both left and right ends of the rear side of the connecting plate (9). A movable groove (16) is provided on the outer wall of the front side of the housing (1), and a driving block (20) is rotatably mounted inside the movable groove (16). A moving block (17) is movably mounted inside the movable groove (16), and the moving block (17) and the inner wall of the movable groove (16) are elastically connected via a spring (18). A fixing pin (19) is fixedly mounted on the right end of the moving block (17), and the left side of the fixing pin (19) penetrates into the interior of the connecting plate (9) and fixes the connecting plate (9); A connecting rod (21) is fixedly mounted on the front side of the driving block (20); the connecting rod (21) penetrates the outer wall of the machine body shell (1) and is movably sleeved with the movable rod (22); a fixing rod (24) is fixedly mounted on one end of the movable rod (22); a fixing hole (25) is fixedly mounted on the outer wall of the machine body shell (1); the fixing rod (24) is located inside the fixing hole (25) to fix the movable rod (22).

2. The fresh air heating system suitable for severe cold regions according to claim 1 is characterized by: An air outlet box (28) is fixedly mounted on the rear side of the partition (2), a fresh air fan (31) is fixedly mounted inside the air outlet box (28), a dirty air fan (26) is fixedly mounted inside the machine body casing (1), and the dirty air fan (26) is located on the right side of the dirty air inlet (4); A guide pipe (27) is fixedly mounted on the fresh air outlet of the heat exchange core (3); the guide pipe (27) and the air outlet box (28) are connected to each other via a heat conducting pipe (29); a heating copper wire (30) is fixedly mounted on the outer wall of the heat conducting pipe (29).

3. The fresh air heating system suitable for severe cold regions according to claim 1 is characterized by: A dirty air inlet (4) is provided at the left end of the front side of the partition (2), and a fresh air inlet (6) is provided at the right end of the front side of the partition (2); a fresh air outlet (7) is provided at the left end of the rear side of the partition (2), and a dirty air outlet (5) is provided at the right end of the rear side of the partition (2).

4. The fresh air heating system suitable for severe cold regions according to claim 1 is characterized by: The movable rod (22) is movably mounted inside the connecting rod (21), and the movable rod (22) and the inner wall of the connecting rod (21) are elastically connected via a spring three (23).

5. The fresh air heating system suitable for severe cold regions according to claim 1 is characterized by: A positioning groove (11) is provided on the rear side of each mounting bracket (10), and the positioning groove (11) and the positioning block (8) correspond to each other.

6. The fresh air heating system suitable for severe cold regions according to claim 1 is characterized by: A filter plate (12) is clamped inside the mounting bracket (10), a movable groove (14) is provided on the inner wall of the driving block (20), a fixed head (13) is movably mounted inside the movable groove (14), and one end of the fixed head (13) is in contact with the outer wall of the filter plate (12).

7. The fresh air heating system suitable for severe cold regions according to claim 6, characterized in that: One end of the fixed head (13) and the inner wall of the movable groove (14) are elastically connected via a spring (15), and the fixed end of the fixed head (13) is dome-shaped.

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