Tube and fin type heat exchanger for air conditioner

Abstract

The utility model relates to the technical field of air conditioners, in particular to a finned tube heat exchanger for an air conditioner, which comprises a box body and a plurality of rows of fixing frames arranged on the inner wall of the box body, a tube piece plate is arranged between every two corresponding fixing frames, a plurality of mounting grooves are arranged on the side face of the box body, and the inner walls of the mounting grooves are attached to and slidably connected with the outer walls of the tube piece plates. More than or equal to 3 pipe piece plates which are vertically arranged in parallel are arranged in the box body; the two sides of the box body communicate with an air inlet pipe opening and an air outlet pipe opening correspondingly, a mounting ring is arranged on the inner wall of the air inlet pipe opening, an air filtering plate is embedded in the mounting ring, and a cleaning device is mounted in the air inlet pipe opening; a mounting and dismounting device is arranged at the bottom of the mounting groove, and a telescopic clamping block is arranged in the mounting and dismounting device to clamp or release the segment plate; according to the finned tube heat exchanger for the air conditioner, the utilization rate of the internal space is high, the cleaning device is arranged, and dust is prevented from blocking the filter plate to affect ventilation; the mounting and dismounting device is arranged to improve the maintenance efficiency of the heat exchanger and prevent the overall dismounting from influencing the maintenance efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field especially a kind of pipe piece type heat exchanger for air conditioner. BACKGROUND

[0002] In the field of air conditioning technology, the pipe piece type heat exchanger is a commonly used heat exchange component, that is, heat is transferred from one medium to another through heat transfer. In the air conditioning system, the pipe piece type heat exchanger is mainly used for heat exchange of indoor and outdoor air to achieve temperature regulation.

[0003] However, in actual use, dust easily accumulates on the surface of the fins, hindering air circulation and further reducing heat exchange performance. The heat exchange efficiency gradually decreases during long-term operation, affecting the stability and reliability of the overall heat exchange effect, and increasing the energy consumption and operating cost of the air conditioner. When the internal pipe piece plate is damaged, it often needs to be disassembled and replaced or repaired, resulting in a longer downtime for maintenance, which is not conducive to efficient work. SUMMARY

[0004] The utility model discloses a kind of pipe piece type heat exchangers for air conditioner, solve the problem of the maintenance efficiency of traditional air conditioner pipe piece type heat exchanger damage needs overall disassembly and maintenance and easy to accumulate dust.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A kind of pipe piece type heat exchanger for air conditioner, including box and multiple rows of fixed frame installed in box inner wall, pipe piece plate is arranged between two corresponding fixed frames, multiple installation grooves are set in the side surface of the box, the inner wall of the installation groove is attached to the outer wall of the pipe piece plate and is connected slidingly, the box is provided with ≥3 pipe piece plates vertically and parallelly arranged;

[0007] The air inlet pipe opening and the air outlet pipe opening are communicated on the two sides of the box respectively, the mounting ring is provided on the inner wall of the air inlet pipe opening, the air filter plate is embedded in the mounting ring, and the cleaning device is installed in the air inlet pipe opening.

[0008] The installation groove bottom is provided with a mounting and dismounting device, and the mounting and dismounting device is provided with a telescopic clamping block to clamp or release the pipe piece plate.

[0009] Further, the cleaning device includes a fixed support plate, a motor is installed at the center of the support plate, and a rotating vibration brush is connected to the rotating end of the motor.

[0010] Further, the rotating vibration brush includes a brush holder, a brush surface and an elastic shock column are provided on one side of the brush holder close to the mounting ring, and the part of the elastic shock column exposed outside the brush holder can be elastically extended and shortened.

[0011] Further, the mounting ring is provided with annular array pits on one side close to the brush holder, and the concave space of the annular array pits is matched with the round head end of the elastic shock column.

[0012] Further, the brush holder is provided with holes for accommodating the elastic shock columns at both ends, and the inner end of the elastic shock column in the brush holder is connected to the brush holder through a first spring.

[0013] Further, the mounting and dismounting device comprises an up-and-down movable slot, a clamping block is slidably connected in the up-and-down movable slot, a fixing slot is formed in the bottom of the clamping block, a fixing rod is slidably connected in the fixing slot, a second spring is sleeved on the outer wall of the fixing rod, a pushing slot is formed in one side of the up-and-down movable slot and communicated with the outside, a pushing plate is connected to the outside of the pushing slot through the clamping block, a clamping groove is formed in the bottom of the pipe sheet plate, and the top of the clamping block can be inserted into the clamping groove upward.

[0014] Further, the up-and-down movable slot is arranged at the bottom of the mounting slot, the bottom of the fixing rod is connected with the bottom of the up-and-down movable slot, and the two ends of the second spring are respectively connected with the bottom of the clamping block and the bottom of the up-and-down movable slot.

[0015] Further, the pushing plate extends out of the up-and-down movable slot through the pushing slot, and the vertical surfaces on both sides of the pushing plate are respectively slidably connected with the inner walls on both sides of the pushing slot.

[0016] The beneficial effects of the technical scheme of the utility model are as follows:

[0017] The pipe sheet type heat exchanger for the air conditioner has high internal space utilization, the mounting ring is vibrated through the arrangement of the cleaning device, the dust accumulated in the filter plate falls, the dust is swept by the rotating cleaning brush, and the dust is prevented from blocking the filter plate and affecting the ventilation; the mounting and dismounting device is arranged, the clamping block is driven to move downward by the pushing plate, the clamping block slides out of the clamping groove, the clamping block loses the fixing effect on the pipe sheet plate, the damaged pipe sheet plate is pulled outward, the pipe sheet plate slides out of the mounting slot, the pipe sheet plate is taken out for maintenance or replacement, the efficiency of the heat exchanger during maintenance is improved, and the overall dismounting is prevented from affecting the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 As Figure 1 Enlarged view of A in the middle;

[0021] Figure 3 The structure diagram of the segment plate in the utility model;

[0022] Figure 4 The structure diagram of the cleaning device in the utility model;

[0023] Figure 5 As Figure 4 Enlarged view of B in the middle;

[0024] Figure 6 The cooperation diagram of the mounting ring and the elastic shock column in the utility model;

[0025] Marked in the figure: 1, box body; 2, air outlet; 3, air inlet; 4, mounting ring; 401, annular array pit; 5, air filter plate; 6, mounting groove; 7, fixing frame; 8, cleaning device; 801, support plate; 802, motor; 803, brush holder; 804, brush surface; 805, elastic shock column; 806, first spring; 9, mounting and dismounting device; 901, push groove; 902, up and down movable groove; 903, second spring; 904, clamping block; 905, push plate; 906, fixed rod; 10, segment plate. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0027] Please refer to Figures 1 to 6 A segment type heat exchanger for air conditioner, including box body 1 and multiple rows of fixing frame 7 installed in the inner wall of box body 1, two corresponding fixing frame 7 between being equipped with segment plate 10, the side of box body 1 is equipped with multiple mounting grooves 6, the inner wall of mounting groove 6 and the outer wall of segment plate 10 are attached and slide connection, the box body 1 is provided with ≥3 vertical parallel arrangement segment plate 10, and the segment plate 10 can be connected through pipeline between them;

[0028] The air inlet 3 and the air outlet 2 are communicated on the both sides of the box body 1 respectively, the air inlet 3 is provided with the mounting ring 4 in the inner wall, the mounting ring 4 is inlaid with the air filter plate 5, and the air inlet 3 is provided with the cleaning device 8.

[0029] Specifically, the cleaning device 8 comprises a fixed support plate 801, a motor 802 is installed at the center of the support plate 801, and a rotating vibration brush is connected to the rotating end of the motor 802. The rotating vibration brush comprises a brush holder 803, which is provided with a brush surface 804 and an elastic shock column 805 on one side close to the installation ring 4. The exposed part of the elastic shock column 805 outside the brush holder 803 can be elastically extended and shortened. The installation ring 4 is provided with a ring-shaped array of recesses 401 on one side close to the brush holder 803. The recess space shape of the ring-shaped array of recesses 401 matches the round head end of the elastic shock column 805. The brush holder 803 is provided with holes accommodating the elastic shock column 805 at both ends, and the inner end of the elastic shock column 805 located in the brush holder 803 is connected to the brush holder 803 through a first spring 806. By setting the cleaning device 8, the output shaft of the motor 802 drives the brush holder 803 to rotate, so that the brush holder 803 drives the brush surface 804 and the elastic shock column 805 to rotate. The brush surface 804 cleans and clears the dust in the screen holes of the air filter plate 5. With the intermittent cooperation of the elastic shock column 805 and the ring-shaped array of recesses 401, the installation ring 4 vibrates, causing the dust accumulated in the air filter plate 5 to fall off and avoid blocking the air filter plate 5 to affect the ventilation. By knocking the installation ring 4 with the elastic shock column 805, the elastic shock column 805 is prevented from directly knocking the air filter plate 5, which may cause damage to the air filter plate 5 and affect use.

[0030] Further optimization, the installation groove 6 is provided with a mounting and dismounting device 9, the mounting and dismounting device 9 is provided with a telescopic clamping block 904 to clamp or release the pipe sheet plate 10, the mounting and dismounting device 9 comprises an up-down movable slot 902, the clamping block 904 is slidably connected in the up-down movable slot 902, a fixing slot is formed in the bottom of the clamping block 904, a fixing rod 906 is slidably connected in the fixing slot, the outer wall of the fixing rod 906 is sleeved with a second spring 903, a pull slot 901 is formed in one side of the up-down movable slot 902, the clamping block 904 is connected with a pull plate 905 outside the pull slot 901, a clamping groove is formed in the bottom of the pipe sheet plate 10, and the top of the clamping block 904 can be inserted into the clamping groove.

[0031] The up-down movable slot 902 is arranged at the bottom of the installation groove 6 close to the outlet, the bottom of the fixing rod 906 is connected with the bottom of the up-down movable slot 902, and the two ends of the second spring 903 are respectively connected with the bottom of the clamping block 904 and the bottom of the up-down movable slot 902; the pull plate 905 extends out of the up-down movable slot 902 through the pull slot 901, and the vertical surfaces on both sides of the pull plate 905 are respectively slidably connected with the inner walls of the pull slot 901.

[0032] By setting the installation and dismounting device 9, the pipe sheet plate 10 is inserted inwardly, so that the pipe sheet plate 10 slides into the two fixing frames 7, and when the pipe sheet plate 10 is inserted, the clamping block 904 is pressed on one side, so that the clamping block 904 moves downward and presses the second spring 903, so that the second spring 903 generates a rebound force, and the second spring 903 is supported by the fixing rod 906, so as to avoid that the second spring 903 bends when being compressed and affects the rebound force, when the pipe sheet plate 10 is installed in place, the rebound of the second spring 903 drives the clamping block 904 to be inserted into the clamping groove, thereby fixing the pipe sheet plate 10, so that the pipe sheet plate 10 is more convenient to install, when one of the pipe sheet plates 10 is damaged, the push plate 905 is pushed downward, so that the push plate 905 drives the clamping block 904 to move downward, so that the clamping block 904 slides out of the clamping groove, so that the clamping block 904 loses the fixing effect on the pipe sheet plate 10, and then the damaged pipe sheet plate 10 is pulled outwardly, so that the pipe sheet plate 10 slides into the installation groove 6, so as to take out the pipe sheet plate 10 for maintenance or replacement, thereby improving the efficiency of device maintenance, so as to avoid that the damage of one of the pipe sheet plates 10 needs to be dismounted as a whole, thereby causing low maintenance efficiency.

[0033] The working principle of the utility model discloses: after installing the heat exchanger at the required position, air is sucked in through the air inlet pipe 3, dust in the air is filtered through the air filter plate 5, dust is prevented from entering to affect the working of the pipe sheet plate 10 inside, after long time use, the motor 802 drives the brush surface 804 and the elastic shock column 805 to rotate, so that the brush surface 804 scrapes the filter plate 5, with the intermittent cooperation of the elastic shock column 805 and the annular array pit 401, the mounting ring 4 is vibrated, dust accumulated in the air filter plate 5 falls, dust is prevented from blocking to affect the ventilation of the air filter plate 5, when one of the pipe sheet plates 10 is damaged, the damaged pipe sheet plate 10 can be taken out and replaced by pushing the push plate downward.

[0034] The above embodiment according to the utility model discloses the inspiration, through the above-mentioned content, relevant technical personnel can make various changes and modifications without deviating from the technical thought of the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A fin-and-tube heat exchanger for air conditioning, characterized in that: It comprises a box body (1) and multiple rows of fixing frames (7) installed on the inner wall of the box body (1), a tube sheet (10) is provided between two corresponding fixing frames (7), a plurality of mounting grooves (6) are provided on the side of the box body (1), the inner walls of the mounting grooves (6) are in contact with and slidably connected to the outer walls of the tube sheet (10), and ≥3 tube sheets (10) arranged vertically and in parallel are provided in the box body (1); The two sides of the box body (1) are respectively connected to an air inlet pipe opening (3) and an air outlet pipe opening (2); a mounting ring (4) is provided on the inner wall of the air inlet pipe opening (3); an air filter plate (5) is embedded in the mounting ring (4); and a cleaning device (8) is installed in the air inlet pipe opening (3); A mounting and dismounting device (9) is provided at the bottom of the mounting groove (6), and a retractable clamping block (904) is provided in the mounting and dismounting device (9) to clamp or release the tube plate (10).

2. The fin-and-tube heat exchanger for air conditioning according to claim 1, characterized in that: The cleaning device (8) comprises a fixed support plate (801), a motor (802) is mounted at the center of the support plate (801), and a rotating vibration brush is connected to the rotating end of the motor (802).

3. The fin-and-tube heat exchanger for air conditioning according to claim 2, characterized in that: The rotating vibration brush comprises a brush holder (803), wherein a brush surface (804) and an elastic shock column (805) are provided on one side of the brush holder (803) near the mounting ring (4), and the portion of the elastic shock column (805) exposed outside the brush holder (803) can be elastically extended and shortened.

4. The fin-and-tube heat exchanger for air conditioning according to claim 3, characterized in that: An annular array of recesses (401) is provided on one side of the mounting ring (4) near the brush holder (803), and the concave spatial shape of the annular array of recesses (401) matches the rounded head end of the elastic shock column (805).

5. The fin-and-tube heat exchanger for air conditioning according to claim 4, characterized in that: Holes for accommodating elastic shock columns (805) are provided at both ends of the brush holder (803); the inner end of the elastic shock column (805) located inside the brush holder (803) is connected to the brush holder (803) via a first spring (806).

6. The fin-and-tube heat exchanger for air conditioning according to claim 1, characterized in that: The mounting and disassembling device (9) comprises an upper and lower movable groove (902), a clamping block (904) is slidably connected in the upper and lower movable grooves (902), a fixing groove is provided at the bottom of the clamping block (904), a fixing rod (906) is slidably connected in the fixing groove, a second spring (903) is sleeved on the outer wall of the fixing rod (906), a shifting groove (901) communicating with the outside is provided on one side of the upper and lower movable grooves (902), a shifting plate (905) is connected to the outside of the shifting groove (901), a clamping groove is provided at the bottom of the tube plate (10), and the top of the clamping block (904) can be inserted upward into the clamping groove.

7. The fin-and-tube heat exchanger for air conditioning according to claim 6, characterized in that: The upper and lower movable grooves (902) are arranged at the bottom of the installation groove (6), the bottom of the fixing rod (906) is connected to the bottom of the upper and lower movable grooves (902), and the two ends of the second spring (903) are respectively connected to the bottom of the clamping block (904) and the bottom of the upper and lower movable grooves (902).

8. The fin-and-tube heat exchanger for air conditioning according to claim 7, characterized in that: The shift plate (905) passes through the shift slot (901) and extends out of the upper and lower movable slots (902). The vertical surfaces on both sides of the shift plate (905) are respectively slidably connected to the inner walls of the shift slot (901).

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