Collecting pipe of micro-channel heat exchanger

By designing a flexible manifold and an adjustable structure, the size of the manifold can be flexibly adjusted, the fluid flow path can be optimized, the problem of poor adaptability of traditional manifolds can be solved, and the heat exchange efficiency and stability can be improved.

CN223691585UActive Publication Date: 2025-12-19JIMING (TIANJIN) ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202520108819.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-19
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Traditional heat exchangers have a fixed manifold design, which makes it difficult to adapt to fluid flow and heat exchange requirements under different operating conditions, resulting in limited heat exchange efficiency and performance degradation.

Method used

The system employs an elastic manifold and an adjustment structure, with a screw threaded to the adjustment block, enabling flexible adjustment of the manifold size. The relative movement of the adjustment bar optimizes the fluid flow path.

Benefits of technology

It improves the adaptability and efficiency of heat exchange, reduces flow resistance, and ensures stable operation under different working conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat exchangers, and discloses a collecting pipe of a micro-channel heat exchanger, which comprises connecting pipes and an elastic collecting pipe, two ends of the elastic collecting pipe are respectively communicated with two groups of connecting pipes, and adjusting strips are horizontally and fixedly arranged at the top end, the bottom end, the front end and the rear end of the inner wall of the elastic collecting pipe; and the adjusting structure is used for adjusting the size of the elastic collecting pipe and comprises a lead screw. The screw rod can be driven to rotate by rotating the knob, the screw rod is in threaded connection with the two groups of adjusting blocks, the two groups of adjusting blocks can be driven to move oppositely or reversely in the elastic collecting pipe in the rotating process of the screw rod, and the four groups of adjusting strips on the inner wall of the elastic collecting pipe can be pushed to be close to or far away from each other through combination of the connecting rods and the connecting blocks. Furthermore, the size of the collecting pipe can be flexibly adjusted, and the adaptability and efficiency of heat exchange are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely is a kind of microchannel heat exchanger's manifold. BACKGROUND

[0002] Manifolds play an important role in the industrial field, especially in fluid transmission and heat exchange systems. They are usually used to collect and distribute fluids, ensuring efficient flow of fluids in the system. However, with the continuous development of industrial technology, the performance requirements of manifolds are also constantly improving.

[0003] The inventors found that at least the following problems in the prior art have not been solved. The traditional manifold of heat exchanger is often fixed in design, which is difficult to adapt to the fluid flow and heat exchange requirements under different working conditions. This leads to limitations in heat exchange efficiency and possible performance degradation or even failure under certain extreme working conditions.

[0004] Therefore, we propose a kind of microchannel heat exchanger's manifold, by flexibly adjusting the shape of manifold, the flow path of fluid in pipe can be optimized, the flow resistance is reduced, and the heat exchange efficiency is improved. SUMMARY

[0005] The purpose of the utility model is to provide a kind of microchannel heat exchanger's manifold, solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of microchannel heat exchanger's manifold, including connecting pipe, further including elastic manifold, the two ends of the elastic manifold are communicated with two groups of connecting pipes respectively, the top end, bottom end, front end and rear end of the inner wall of the elastic manifold are all fixedly installed with adjusting strip horizontally;Adjusting structure: for adjusting the size of elastic manifold, the adjusting structure includes screw rod, two sides in the interior of the elastic manifold are symmetrically provided with adjusting block, four groups of connecting grooves are formed in the outer side of the adjusting block, the inner side of the connecting groove is hinged with connecting rod, the two ends of the adjusting strip away from the side of the elastic manifold are fixedly installed with connecting block, the end away from the adjusting block of the connecting rod is hinged with connecting block, the screw rod is horizontally through the middle part of two groups of adjusting blocks and is connected with adjusting block by screwing.

[0007] As an optional scheme of the technical scheme of the present application, the thread rotation direction of the screw rod on both sides is opposite, the screw rod is rotatably connected with the connecting pipe through a sealing bearing, and one end of the screw rod placed outside the connecting pipe is provided with a knob.

[0008] As an optional scheme of the technical scheme of the present application, a limiting groove is formed in the middle part of the knob, a limiting block is slidably connected to the inner side of the limiting groove, and one end of the screw rod placed outside the connecting pipe is fixedly connected to the middle part of the limiting block.

[0009] As an optional solution of the technical scheme of the application, the side of the limiting block fixedly connected with the lead screw is provided with a spring, and the spring is sleeved outside the lead screw.

[0010] As an optional solution of the technical scheme of the application, the lower end of the side of the knob close to the connecting pipe is fixedly installed with a fixed pin, the side of the connecting pipe close to the knob is annularly and uniformly provided with fixed holes, and the fixed pin is inserted into the fixed holes.

[0011] As an optional solution of the technical scheme of the application, the inner wall of the connecting pipe is fixedly installed with a fixed block through a fixed rod, and the lead screw is rotationally connected with the fixed block through a bearing.

[0012] Compared with the prior art, the beneficial effects of the application are as follows: the knob can drive the lead screw to rotate, the lead screw is threadedly connected with the two groups of adjusting blocks, the lead screw can drive the two groups of adjusting blocks to relatively or oppositely move in the elastic manifold during the rotation of the lead screw, the combination of the connecting rod and the connecting block can drive the four groups of adjusting strips on the inner wall of the elastic manifold to relatively approach or move away from each other, and the size of the manifold can be further flexibly adjusted, and the adaptability and efficiency of heat exchange are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0014] Fig. 1 It is a front view of the manifold of the micro-channel heat exchanger of the application.

[0015] Fig. 2 It is a schematic view of A part of the manifold of the micro-channel heat exchanger of the application.

[0016] In the drawings: 1, connecting pipe; 11, elastic manifold; 12, adjusting block; 13, connecting groove; 14, connecting rod; 15, adjusting strip; 16, connecting block; 17, lead screw; 18, fixed rod; 19, fixed block; 2, knob; 21, limiting groove; 22, limiting block; 23, spring; 24, fixed pin; 25, fixed hole. DETAILED DESCRIPTION

[0017] Please refer to Figs. 1-2The utility model provides a technical scheme: a manifold of microchannel heat exchanger, including connecting pipe 1, still include elastic manifold 11, the both ends of elastic manifold 11 are communicated with two groups of connecting pipe 1 respectively, and the top end, bottom end, front end and rear end of elastic manifold 11 inner wall are all horizontally fixedly installed with adjusting strip 15;Adjusting structure: for adjusting the size of elastic manifold 11, adjusting structure includes screw rod 17, and the both sides of the inside of elastic manifold 11 are symmetrically provided with adjusting block 12, and four groups of connecting groove 13 are formed to the outside of adjusting block 12, and the inside of connecting groove 13 is hinged with connecting rod 14, and the both ends of adjusting strip 15 away from the side of elastic manifold 11 are fixedly installed with connecting block 16, and the end away from adjusting block 12 of connecting rod 14 is hinged with connecting block 16, and screw rod 17 is horizontally passed through the middle part of two groups of adjusting block 12 and is threadedly connected with adjusting block 12, and the thread rotation direction of the both sides of screw rod 17 is opposite, and one end of screw rod 17 placed outside connecting pipe 1 is provided with knob 2.

[0018] In this technical scheme, rotating knob 2 can drive screw rod 17 to rotate, through the thread connection of screw rod 17 and two groups of adjusting block 12, screw rod 17 can drive two groups of adjusting block 12 to move relatively or reversely in elastic manifold 11 during the rotation process, through the combination of connecting rod 14 and connecting block 16, four groups of adjusting strips 15 on the inner wall of elastic manifold 11 can be pushed to move close to or away from each other, further, the flexible adjustment of the size of manifold can be realized, and the adaptability and efficiency of heat exchange are improved.

[0019] In this embodiment, the middle part of knob 2 is provided with limiting slot 21, limiting block 22 is slidably connected to the inside of limiting slot 21, one end of screw rod 17 placed outside connecting pipe 1 is fixedly connected to the middle part of limiting block 22, spring 23 is arranged on the side of limiting block 22 fixedly connected with screw rod 17, spring 23 is sleeved outside screw rod 17, fixed pin 24 is fixedly installed at the lower end of the side of knob 2 close to connecting pipe 1, and fixed hole 25 is uniformly arranged on the side of connecting pipe 1 close to knob 2 in a ring shape, and fixed pin 24 is inserted into fixed hole 25 uniformly arranged outside connecting pipe 1.

[0020] In this technical scheme, limiting block 22 at one end of screw rod 17 is slidably connected with limiting slot 21 inside knob 2, through the elastic force of spring 23 at one side of limiting block 22, knob 2 can be pushed to be close to connecting pipe 1, and fixed pin 24 at one side of knob 2 is inserted into fixed hole 25 uniformly arranged outside connecting pipe 1, further, knob 2 is limited and fixed, thereby the stability of screw rod 17 during use is improved, spring 23 is sleeved outside screw rod 17, screw rod 17 can limit spring 23, avoiding the inclination of spring 23 during compression and expansion process, and affecting the use effect.

[0021] In the embodiment, the inner wall of the connecting pipe 1 is fixedly installed with the fixing block 19 through the fixing rod 18, the lead screw 17 is rotationally connected with the fixing block 19 through a bearing, and the lead screw 17 is rotationally connected with the connecting pipe 1 through a sealing bearing.

[0022] In the technical scheme, the lead screw 17 is rotationally connected with the fixing block 19 through a bearing, so that the stability of the lead screw 17 during rotation can be improved, and the lead screw 17 is rotationally connected with the connecting pipe 1 through a sealing bearing, so that the connection sealing performance of the lead screw 17 and the connecting rod 14 can be improved.

[0023] In the use of the manifold of the micro-channel heat exchanger, the limiting block 22 at one end of the lead screw 17 is slidably connected with the limiting groove 21 in the knob 2, the knob 2 is pulled outward, the fixing pin 24 on the outer side of the knob 2 is moved out of the fixing hole 25 on the outer side of the connecting pipe 1, so that the knob 2 can be rotated, the lead screw 17 is further rotated, the two groups of adjusting blocks 12 are relatively or oppositely moved in the elastic manifold 11 through the threaded connection of the lead screw 17 and the two groups of adjusting blocks 12, the four groups of adjusting strips 15 on the inner wall of the elastic manifold 11 are pushed to be close to or away from each other through the connecting rod 14 and the connecting block 16, so that the size of the manifold can be further flexibly adjusted, the adaptability and efficiency of heat exchange are improved, when the size adjustment of the elastic manifold 11 is completed, the knob 2 is loosened, the knob 2 is pushed to be close to the connecting pipe 1 through the elastic force of the spring 23 on one side of the limiting block 22, the fixing pin 24 on one side of the knob 2 is inserted into the fixing hole 25 evenly arranged on the outer side of the connecting pipe 1, the knob 2 is further limited and fixed, so that the stability of the elastic manifold 11 during use can be improved.

Claims

1. A header for a microchannel heat exchanger comprising a connecting pipe (1), characterized in that, It also includes elastic manifold (11), two ends of the elastic manifold (11) are communicated with two groups of connecting pipe (1), the top, bottom, front and back of the inner wall of the elastic manifold (11) are fixedly installed with adjusting strip (15); Adjusting structure: for adjusting the size of the elastic manifold (11), the both sides of the inside of the elastic manifold (11) are symmetrically provided with adjusting block (12), four groups of connecting grooves (13) are formed in the outer side of the adjusting block (12), the inner side of the connecting groove (13) is hingedly connected with connecting rod (14), the both ends of the adjusting strip (15) away from the side of the elastic manifold (11) are fixedly installed with connecting block (16), the end of the connecting rod (14) away from the adjusting block (12) is hingedly connected with the connecting block (16), the middle part of the two groups of adjusting block (12) is horizontally penetrated by the screw rod (17) and is threadedly connected with the adjusting block (12).

2. A microchannel heat exchanger header according to claim 1, wherein: The thread rotation directions of the both sides of the screw rod (17) are opposite, the screw rod (17) is rotatably connected with the connecting pipe (1) through the sealing bearing, and one end of the screw rod (17) placed outside the connecting pipe (1) is provided with knob (2).

3. A microchannel heat exchanger header according to claim 2 wherein: The middle part of the knob (2) is provided with limiting groove (21), the inner side of the limiting groove (21) is slidably connected with limiting block (22), and one end of the screw rod (17) placed outside the connecting pipe (1) is fixedly connected with the middle part of the limiting block (22).

4. A microchannel heat exchanger header according to claim 3 wherein: The side, where the limiting block (22) is fixedly connected with the screw rod (17), is provided with spring (23), and the spring (23) is sleeved outside the screw rod (17).

5. A microchannel heat exchanger header according to claim 2 wherein: The lower end of the side, close to the connecting pipe (1), of the knob (2) is fixedly installed with fixed pin (24), the side, close to the knob (2), of the connecting pipe (1) is uniformly provided with fixed hole (25), and the fixed pin (24) is inserted into the fixed hole (25).

6. A microchannel heat exchanger header according to claim 1 wherein: The inner wall of the connecting pipe (1) is fixedly installed with fixed block (19) through fixed rod (18), and the screw rod (17) is rotatably connected with the fixed block (19) through bearing.