Total heat exchanger with dust filtering function

Abstract

The utility model discloses a total heat exchanger with a dust filtering function, which relates to the technical field of total heat exchangers and comprises a total heat exchanger body, two sides of the total heat exchanger body are fixedly connected with a return air output pipe, a return air input pipe, a fresh air output pipe and a fresh air input pipe respectively, and the inner wall of the fresh air input pipe is fixedly connected with an assembly pipe. An assembling block is fixedly connected to the outer side wall of the assembling pipe in an embedded mode, a fixing assembly is installed in the assembling block, the assembling pipe is sleeved with a connecting pipe, the other side of the connecting pipe is fixedly connected with a filtering pipe, an activated carbon filtering net is clamped in the filtering pipe, and a second connecting base is fixedly connected to the outer side wall of the connecting pipe. By adopting the structure, the filter pipe can be relatively simple and quick to mount and dismount, and complicated tools and excessive operation steps are not needed, so that the maintenance efficiency is improved, the filter pipe can be effectively fixed, and the stability of the filter pipe in the running process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the total heat exchanger technical field, especially relate to a total heat exchanger with dust filtering function. BACKGROUND

[0002] The total heat exchanger is a kind of high-efficiency heat recovery device, mainly applied to fresh air, exhaust ventilation system.It can preheat or precool outdoor fresh air while indoor exhaust by heat exchange core, so as to realize the effective recovery of energy.This device not only can adjust the temperature and humidity in the room, but also can reduce the energy consumption of air conditioning or heating system to some extent, improve energy utilization efficiency.The working principle of total heat exchanger is based on heat conduction and humidity transfer, through the microporous structure in the core, the fresh air and exhaust can be fully exchanged, so as to achieve the effect of energy saving and environmental protection.In fresh air system, total heat exchanger is usually installed at the end of supply and exhaust pipe, through pipeline connection indoor and outdoor air, realize the circulation and exchange of air

[0003] The utility model discloses a kind of total heat exchangers with dust filtering function, including: total heat exchanger body and filter mechanism;The side of the total heat exchanger body is communicated with fresh air input pipe, the outer wall of the fresh air input pipe is symmetrically provided with two recesses;The filter mechanism includes the connecting pipe inserted into fresh air input pipe, one end of the connecting pipe is communicated with hollow shell, rubber ring is tightly attached in the hollow shell;The total heat exchanger with dust filtering function of the utility model can make the connecting plate drive clamp block to move out from recess by setting filter mechanism on the fresh air input pipe of total heat exchanger body, so that hollow shell can drive connecting pipe to be extracted from the inside of fresh air input pipe, so that activated carbon filter screen can be removed and cleaned;Through the above setting, the convenience of filter mechanism when used on total heat exchanger is improved.

[0004] Although the above-mentioned utility model improves the convenience of filter mechanism when used on total heat exchanger, but after long time use, due to vibration, temperature change or influence of external force, clamp block will loosen, leading to position deviation or falling off of filter assembly, and further affecting normal operation and filtering effect of total heat exchanger, and the sealing property between filter assembly with fixed clamping mode and total heat exchanger body is poor, which can lead to air leakage, affect heat exchange efficiency and filtering effect of total heat exchanger.In addition, leaked air can also carry dust, bacteria and other pollutants into indoor, cause negative influence on indoor air quality. UTILITY MODEL CONTENTS

[0005] In view of the problems mentioned in the background art, the utility model aims at providing a total heat exchanger with dust filtering function to solve the problems that the clamping block will be loose due to vibration, temperature change or external force after long time use, resulting in the position deviation or falling off of the filtering assembly, and further affecting the normal operation and filtering effect of the total heat exchanger, and the sealing between the filtering assembly with fixed clamping mode and the main body of the total heat exchanger is poor, which will cause air leakage and affect the heat exchange efficiency and filtering effect of the total heat exchanger.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A total heat exchanger with dust filtering function, comprising a total heat exchanger body, wherein the two sides of the total heat exchanger body are fixedly connected with a return air output pipe, a return air input pipe, a fresh air output pipe and a fresh air input pipe, the inner wall of the fresh air input pipe is fixedly connected with an assembly pipe, the outer side wall of the assembly pipe is fixedly connected with an assembly block in an embedded mode, the inside of the assembly block is provided with a fixed assembly, the outer side of the assembly pipe is provided with a connecting pipe, the other side of the connecting pipe is fixedly connected with a filtering pipe, the inside of the filtering pipe is provided with an activated carbon filter screen, the outer side wall of the connecting pipe is fixedly connected with a second connecting seat, the one side of the second connecting seat is symmetrically fixedly connected with a positioning block, and the one side of the positioning block is provided with a positioning assembly;

[0008] The fixed assembly comprises a cavity, a first reset spring, a moving plate and a locking block, the inside of the assembly block is provided with a cavity, the inside of the cavity is symmetrically fixedly connected with a first reset spring on one side, the other end of the first reset spring is fixedly connected with a moving plate, the moving plate and the inside of the cavity are in sliding connection, the one side of the moving plate away from the first reset spring is fixedly connected with a locking block, the one end of the locking block away from the moving plate extends out of the outer side of the assembly pipe, the one end of the locking block is provided with an inclined surface, the inner wall of the connecting pipe is provided with a locking groove, and the locking block and the locking groove are in clamping connection, which can make the installation and disassembly of the filtering pipe relatively simple and fast, without the need for complex tools and excessive operation steps, thereby improving the maintenance efficiency, and the filtering pipe can be effectively fixed, ensuring the stability of the filtering pipe during operation.

[0009] As a preferred technical scheme, a through hole is formed in the inside of the locking groove on one side, a push column is in sliding connection in the inside of the through hole, the other end of the push column extends out of the outer side of the connecting pipe and is fixedly connected with a push handle, the outer side wall of the connecting pipe is symmetrically fixedly connected with a second reset spring, the other end of the second reset spring is fixedly connected with the push handle, the second reset spring is sleeved on the outer side of the push column, the outer side wall of the connecting pipe is symmetrically provided with a limiting hole, and the one side of the push handle close to the connecting pipe is symmetrically fixedly connected with a limiting column, which is in sliding connection with the limiting hole, so that the user or the maintenance personnel can complete the disassembly of the filtering pipe with one hand, without the need for using additional tools or auxiliary equipment, greatly simplifying the operation process, reducing the time and energy required for disassembly, and making the maintenance process more efficient.

[0010] As a preferred technical solution, the positioning assembly comprises a built-in hole, a third reset spring and a positioning column, one side of the positioning block is provided with the built-in hole, the bottom of the built-in hole is fixedly connected with the third reset spring, one end of the third reset spring is fixedly connected with the positioning column, the positioning column is in sliding connection with the inside of the positioning hole, one end of the positioning column away from the third reset spring extends out of one side of the positioning block and is provided as an arc-shaped end, the outer side of the fresh air input pipe is fixedly connected with the first connecting seat, the first connecting seat is symmetrically provided with the positioning slot on one side, the positioning block is inserted into the positioning slot, the inside of the positioning slot is provided with the positioning hole on one side, and the positioning column is clamped with the positioning hole, so that the filter pipe can be accurately and correctly placed at the predetermined position during installation, performance decline or failure caused by inaccurate installation position is avoided, and the cooperation between the filter pipe and the fresh air input pipe of the total heat exchanger is ensured to be tight.

[0011] In summary, the utility model mainly has the following beneficial effects:

[0012] Firstly, in the utility model, the filter pipe and the fresh air input pipe at one end of the total heat exchanger body are combined, the simultaneous assembly pipe is inserted into the connecting pipe, in the process of insertion, the extrusion force is applied to the inclined surface of the locking block, the locking block drives the moving plate to press the first reset spring, the locking block is retracted into the cavity, when the locking block moves to the locking groove, the first reset spring resets, the locking block pops out and is clamped with the locking groove, the installation of the filter pipe is completed, the installation and disassembly of the filter pipe become relatively simple and fast, complex tools and excessive operation steps are not needed, so that the maintenance efficiency is improved, the filter pipe can be effectively fixed, and the stability of the filter pipe during operation is ensured.

[0013] Secondly, in the utility model, the filter pipe and the fresh air input pipe at one end of the total heat exchanger body are combined, the positioning block on the second connecting seat is inserted into the positioning slot of the first connecting seat, in the process of insertion, the extrusion force is applied to the arc-shaped end of the positioning column, the positioning column is pressed towards the third reset spring, the positioning column is retracted into the built-in hole, when the positioning column moves to the positioning hole, the third reset spring resets, the positioning column pops out and is clamped with the positioning hole, the positioning during installation is completed, the filter pipe can be accurately and correctly placed at the predetermined position during installation, performance decline or failure caused by inaccurate installation position is avoided, and the cooperation between the filter pipe and the fresh air input pipe of the total heat exchanger is ensured to be tight. BRIEF DESCRIPTION OF DRAWINGS

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

[0015] Figure 2 It is a three-dimensional structure schematic view of the fresh air input pipe of the utility model;

[0016] Figure 3The utility model discloses Figure 2 The A part enlarged view of

[0017] Figure 4 The utility model discloses a fixed assembly sectional solid structure schematic diagram,

[0018] Figure 5 The utility model discloses a positioning assembly sectional solid structure schematic diagram.

[0019] Fig. 1, full heat exchanger body;2, return air output pipe;3, return air input pipe;4, fresh air output pipe;5, fresh air input pipe;6, assembly pipe;7, first connecting seat;8, connecting pipe;9, filter pipe;10, second connecting seat;11, activated carbon filter screen;12, assembly block;13, fixed assembly;131, cavity;132, first reset spring;133, moving plate;134, locking block;14, locking groove;15, push handle;16, push column;17, second reset spring;18, limiting column;19, limiting hole;20, positioning block;21, positioning groove;22, positioning assembly;221, built-in hole;222, third reset spring;223, positioning column;23, positioning hole;24, through-hole. DETAILED DESCRIPTION

[0020] Embodiment

[0021] Reference Figures 1 to 5 The full heat exchanger with dust filtering function provided by the embodiment comprises a full heat exchanger body 1, return air output pipes 2 and return air input pipes 3 are fixedly connected to the two sides of the full heat exchanger body 1 respectively, fresh air output pipes 4 and fresh air input pipes 5 are fixedly connected to the two sides of the full heat exchanger body 1 respectively, assembly pipes 6 are fixedly connected to the inner walls of the fresh air input pipes 5, assembly blocks 12 are fixedly connected to the outer side walls of the assembly pipes 6 in an embedded mode, fixed assemblies 13 are installed in the assembly blocks 12, connecting pipes 8 are sleeved on the outer sides of the assembly pipes 6, filter pipes 9 are fixedly connected to the other sides of the connecting pipes 8, activated carbon filter screens 11 are clamped in the filter pipes 9, second connecting seats 10 are fixedly connected to the outer side walls of the connecting pipes 8, positioning blocks 20 are fixedly connected to one side of the second connecting seats 10 symmetrically, and positioning assemblies 22 are installed on one side of the positioning blocks 20.

[0022] The fixed assembly 13 comprises a cavity 131, a first reset spring 132, a moving plate 133 and a locking block 134. The cavity 131 is arranged in the assembling pipe 6. The first reset spring 132 is symmetrically and fixedly connected to one side in the cavity 131. The other end of the first reset spring 132 is fixedly connected with the moving plate 133. The moving plate 133 is in sliding connection with the cavity 131. The moving plate 133 is fixedly connected with the locking block 134 away from the first reset spring 132. The locking block 134 extends out of the outer side of the assembling pipe 6 away from the moving plate 133. The locking block 134 is provided with an inclined surface at one end. The locking groove 14 is arranged in the inner wall of the connecting pipe 8. The locking block 134 is in clamping connection with the locking groove 14. The filtering pipe 9 and the fresh air input pipe 5 at one end of the total heat exchanger body 1 are combined. At the same time, the assembling pipe 6 is inserted into the connecting pipe 8. In the process of insertion, the extrusion force presses the inclined surface of the locking block 134. The locking block 134 drives the moving plate 133 to press the first reset spring 132. The locking block 134 is retracted into the cavity 131. When the locking block 134 moves to the locking groove 14, the first reset spring 132 is reset. The locking block 134 is clamped and fixed with the locking groove 14. The installation of the filtering pipe 9 is completed.

[0023] Reference Figures 3 to 4 One side in the locking groove 14 is provided with a through hole 24. The push column 16 is in sliding connection with the through hole 24. The other end of the push column 16 extends out of the outer side of the connecting pipe 8 and is fixedly connected with the push handle 15. The second reset spring 17 is symmetrically and fixedly connected to the outer side wall of the connecting pipe 8. The other end of the second reset spring 17 is fixedly connected with the push handle 15. The second reset spring 17 is sleeved outside the push column 16. The limiting hole 19 is symmetrically arranged in the outer side wall of the connecting pipe 8. The limiting column 18 is symmetrically and fixedly connected to the side of the push handle 15 close to the connecting pipe 8. The limiting column 18 is in sliding connection with the limiting hole 19. The push handle 15 is pressed. The push column 16 pushes the locking block 134. At the same time, the limiting column 18 slides in the limiting hole 19. The second reset spring 17 is compressed. The locking block 134 drives the moving plate 133 to press the first reset spring 132. The locking block 134 is retracted into the cavity 131. The locking block 134 ends the clamping connection with the locking groove 14. The filtering pipe 9 is pulled outwards. The filtering pipe 9 is taken off from the fresh air input pipe 5 together with the connecting pipe 8.

[0024] Reference Figure 5, the positioning assembly 22 includes built-in hole 221, third reset spring 222 and positioning column 223, one side of the positioning block 20 is provided with built-in hole 221, the built-in hole 221 is fixedly connected with the third reset spring 222 in the hole bottom, one end of the third reset spring 222 is fixedly connected with the positioning column 223, the positioning column 223 is slidably connected with the positioning hole 23, the end of the positioning column 223 away from the third reset spring 222 extends out of one side of the positioning block 20 and is provided as an arc-shaped end, the first connecting seat 7 is fixedly connected outside the fresh air input pipe 5, the positioning slot 21 is symmetrically formed on one side of the first connecting seat 7, the positioning block 20 is inserted with the positioning slot 21, the positioning hole 23 is formed in one side of the positioning slot 21, the positioning column 223 is clamped with the positioning hole 23, the filter pipe 9 and the fresh air input pipe 5 at one end of the total heat exchanger body 1 are combined, and the positioning block 20 on the second connecting seat 10 is inserted into the positioning slot 21 of the first connecting seat 7, in the process of insertion, the extrusion force is pressed on the arc-shaped end of the positioning column 223, the positioning column 223 is pressed towards the third reset spring 222, the positioning column 223 is retracted into the built-in hole 221, when the positioning column 223 moves to the positioning hole 23, the third reset spring 222 resets, the positioning column 223 is clamped with the positioning hole 23, and the positioning is completed.

[0025] Principle and advantage: first, the filter pipe 9 and the fresh air input pipe 5 at one end of the total heat exchanger body 1 are combined, the positioning block 20 on the second connecting seat 10 is inserted into the positioning slot 21 of the first connecting seat 7, and the assembly pipe 6 is inserted into the connecting pipe 8, in the process of insertion, the extrusion force is pressed on the arc-shaped end of the positioning column 223, the positioning column 223 is pressed towards the third reset spring 222, the positioning column 223 is retracted into the built-in hole 221, when the positioning column 223 moves to the positioning hole 23, the third reset spring 222 resets, the positioning column 223 is clamped with the positioning hole 23, and the positioning is completed, the extrusion force is pressed on the inclined surface of the locking block 134, the locking block 134 drives the moving plate 133 to press towards the first reset spring 132, the locking block 134 is retracted into the cavity 131, when the locking block 134 moves to the locking slot 14, the first reset spring 132 resets, the locking block 134 is clamped with the locking slot 14, and the installation of the filter pipe 9 is completed.

[0026] The utility model discloses can make the installation and dismounting of filter pipe 9 become relatively simple and fast, need not complex tool and too many operation steps, thereby improved maintenance efficiency, and can realize effective fixed to filter pipe 9, ensure the stability of filter pipe 9 in the running process.

Claims

1. A total heat exchanger with dust filtration function, comprising a total heat exchanger body (1), characterized in that: The total heat exchanger body (1) is fixedly connected to two sides by a return air outlet pipe (2), a return air inlet pipe (3), a fresh air outlet pipe (4), and a fresh air inlet pipe (5). An assembly pipe (6) is fixedly connected to the inner wall of the fresh air inlet pipe (5). An assembly block (12) is embedded and fixedly connected to the outer wall of the assembly pipe (6). A fixing component (13) is installed inside the assembly block (12). A connecting pipe (8) is sleeved on the outer side of the assembly pipe (6). A filter pipe (9) is fixedly connected to the other side of the connecting pipe (8). An activated carbon filter screen (11) is snapped into the inside of the filter pipe (9). A second connecting seat (10) is fixedly connected to the outer wall of the connecting pipe (8). A positioning block (20) is symmetrically fixedly connected to one side of the second connecting seat (10). A positioning component (22) is installed on one side of the positioning block (20). The fixing component (13) includes a cavity (131), a first return spring (132), a moving plate (133), and a locking block (134). The assembly block (12) has a cavity (131) inside. The first return spring (132) is symmetrically fixedly connected to one side of the cavity (131). The moving plate (133) is fixedly connected to the other end of the first return spring (132). The moving plate (133) is slidably connected to the cavity (131). The locking block (134) is fixedly connected to the side of the moving plate (133) away from the first return spring (132). The locking block (134) extends out of the outside of the assembly tube (6) at the end away from the moving plate (133). The locking block (134) has an inclined surface at one end.

2. A total heat exchanger with dust filtration function according to claim 1, characterized in that: The inner wall of the connecting pipe (8) is provided with a locking groove (14), and the locking block (134) is engaged with the locking groove (14).

3. A total heat exchanger with dust filtration function according to claim 2, characterized in that: A through hole (24) is provided on one side of the locking groove (14). A push post (16) is slidably connected inside the through hole (24). The other end of the push post (16) extends out of the outside of the connecting tube (8) and is fixedly connected to a push handle (15). A second return spring (17) is symmetrically fixedly connected to the outer wall of the connecting tube (8). The other end of the second return spring (17) is fixedly connected to the push handle (15). The second return spring (17) is sleeved on the outside of the push post (16).

4. A total heat exchanger with dust filtration function according to claim 3, characterized in that: The outer wall of the connecting pipe (8) is symmetrically provided with limiting holes (19), and the push handle (15) is symmetrically fixedly connected with limiting posts (18) on the side near the connecting pipe (8). The limiting posts (18) and the limiting holes (19) are slidably connected.

5. A total heat exchanger with dust filtration function according to claim 1, characterized in that: The positioning component (22) includes a built-in hole (221), a third reset spring (222), and a positioning post (223). The positioning block (20) has a built-in hole (221) on one side. The bottom of the built-in hole (221) is fixedly connected to the third reset spring (222). One end of the third reset spring (222) is fixedly connected to the positioning post (223). The positioning post (223) is slidably connected to the inside of the positioning hole (23). The end of the positioning post (223) away from the third reset spring (222) extends out of one side of the positioning block (20) and is set as an arc end.

6. A total heat exchanger with dust filtration function according to claim 5, characterized in that: The fresh air inlet pipe (5) is fixedly connected to a first connecting seat (7) on the outside. The first connecting seat (7) has a symmetrically provided positioning groove (21) on one side. The positioning block (20) and the positioning groove (21) are inserted into each other.

7. A total heat exchanger with dust filtration function according to claim 6, characterized in that: The positioning groove (21) has a positioning hole (23) on one side, and the positioning post (223) is engaged with the positioning hole (23).

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