Heat exchange distribution tube assembly

By designing a driving mechanism and a moving heating and deicing mechanism in the heat exchange distribution tube assembly, deicing and cleaning of the capillary tube is achieved, and the problem of failure due to icing in the prior art is solved and the service life of the equipment is extended.

CN223050525UActive Publication Date: 2025-07-01ZHEJIANG XINCHANG HONGLI REFRIGERATION CO LTD
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Patent Information

Application Number
CN202422156388.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-03
Publication Date
2025-07-01
Estimated Expiration
2034-09-03

AI Technical Summary

Technical Problem

When the prior art uses heat exchange equipment in winter, it fails due to icing, and cannot effectively remove ice from the capillary, affecting the use efficiency.

Method used

A heat exchange distribution tube assembly is designed, including a driving mechanism and a moving heating and deicing mechanism. The driving mechanism drives the moving heating and deicing mechanism up and down, and the capillary tube is heated and cleaned by heating wire and brush to achieve deicing and cleaning.

Benefits of technology

It can not only effectively remove ice from the capillary, but also clean the capillary, ensure the normal operation of the distribution tube assembly and extend the service life of the heat exchange equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat exchange distribution pipe assembly which comprises a distribution head, a heat exchange pipe and a heat exchange pipe. The capillary tubes are connected to the other end of the distribution head; the device further comprises a driving mechanism and a movable heating and deicing mechanism, the driving mechanism is connected to the distribution head through a fixing frame, the movable heating and deicing mechanism is connected to the driving mechanism and the capillary tube, and the driving mechanism drives the movable heating and deicing mechanism to move up and down, so that the capillary tube is deiced. According to the utility model, ice on the capillary tube can be removed, the capillary tube can be cleaned, the normal work of the distribution pipe assembly is ensured, and the service life of heat exchange equipment is prolonged.
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Description

Technical Field

[0001] The utility model relates to a heat exchange distribution pipe assembly. Background Art

[0002] The heat exchange distribution pipe is an important device for transferring heat and is widely used in many industries and commercial applications.

[0003] In colder winters, the heat exchange equipment often fails due to icing during use. In the prior art, a fresh air blower is turned on and off regularly to warm up the heat exchange equipment, or a low-power heater is added in front of the heat exchanger. However, the ice on the capillary cannot be removed, greatly affecting the use efficiency. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a technical solution for a heat exchange distribution pipe assembly aiming at the deficiencies of the prior art, which can not only remove the ice on the capillary, but also clean the capillary, ensure the normal operation of the distribution pipe assembly, and extend the service life of the heat exchange equipment.

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

[0006] A heat exchange distribution pipe assembly, comprising:

[0007] A distribution head, one end of which is connected with a straight pipe;

[0008] A plurality of capillaries, which are connected to the other end of the distribution head;

[0009] It is characterized in that:

[0010] It further includes a driving mechanism and a moving heating and deicing mechanism. The driving mechanism is connected to the distribution head through a fixing frame, and the moving heating and deicing mechanism is connected to the driving mechanism and the capillaries. The driving mechanism drives the moving heating and deicing mechanism to move up and down to deice the capillaries. Through the design of the above structure, not only can the ice on the capillaries be removed, but also the capillaries can be cleaned, ensuring the normal operation of the distribution pipe assembly and extending the service life of the heat exchange equipment.

[0011] Furthermore, the fixing frame includes a sleeve, a first support rod and a column. The first support rods are evenly distributed in a ring on the outer side of the sleeve, and the first support rods are fixed to the distribution head through the column. Through the design of the first support rods and the column, the connection stability and reliability between the sleeve and the distribution head can be improved, and further the stability and reliability during the movement of the moving heating and deicing mechanism can be improved.

[0012] Further, the driving mechanism includes a motor, a screw rod, and a positioning block. The motor is arranged at the top of the sleeve, and the positioning block is arranged on the distribution head. The motor is connected to the positioning block through the screw rod. By driving the screw rod to rotate with the motor, the moving heating and de-icing mechanism can be driven to move up and down to remove the ice on the capillary tube.

[0013] Further, a fixed collar is provided at the end of the first support rod, and a first connecting rod is provided between two adjacent fixed collars. The first connecting rod improves the connection stability and reliability between two adjacent fixed collars. The fixed collar can heat the capillary tube to melt the ice.

[0014] Further, the moving heating and de-icing mechanism includes a lifting collar, a first moving collar, and a second moving collar. The lifting collar is provided with internal threads that match the screw rod. The first moving collar is connected to the lifting collar through a second support rod. Two adjacent first moving collars are fixedly connected through a second connecting rod. The second moving collar is connected to the first moving collar through a telescopic assembly. Both the first moving collar and the second moving collar are slidably connected to the capillary tube. The second support rod improves the connection stability between the first moving collar and the lifting collar. The telescopic assembly can adjust the distance between two corresponding first moving collars and second moving collars. The second connecting rod improves the connection stability between two adjacent first moving collars. By rotating the screw rod, the lifting collar, the first moving collar, and the second moving collar can be driven to move up and down synchronously to continuously de-ice the capillary tube.

[0015] Further, positioning holes are provided on the second support rod, which match the columns, to improve the stability and reliability when the moving heating and de-icing mechanism moves.

[0016] Further, the telescopic assembly includes a first telescopic rod and a second telescopic rod. One end of the first telescopic rod is fixed to the first moving collar through a first connecting rod, and one end of the second telescopic rod is fixed to the second moving collar through a second connecting rod. A cavity is provided on the first telescopic rod, and the second telescopic rod is inserted into the cavity and moves telescopically along the cavity. The first connecting rod improves the connection stability between the first telescopic rod and the first moving collar, and the second connecting rod improves the connection stability between the second telescopic rod and the second moving collar. By moving the second telescopic rod along the cavity of the first telescopic rod, the position of the second moving collar can be adjusted to meet the de-icing requirements of capillary tubes of different lengths.

[0017] Further, a clamping hole is provided on the side of the first telescopic rod, and an elastic member is provided on the second telescopic rod. The first telescopic rod and the second telescopic rod are fixedly connected by limiting the elastic member in the clamping hole.

[0018] Further, the fixed collar, the first movable collar, and the second movable collar all include an annular body. The annular body is provided with a through hole that matches the capillary tube. The inner wall of the through hole is provided with a heating wire and a brush. A controller is provided on the side of the distribution head. The controller is electrically connected to the heating wire. The heating wire can heat the surface of the capillary tube to defrost the ice, and the brush can clean the surface of the capillary tube. The controller can be connected to an external power source.

[0019] Further, the capillary tube is connected to a flared joint through a heat shrink tube, and a temperature sensing clip is provided on one side of the heat shrink tube close to the flared joint.

[0020] Due to the adoption of the above technical solutions, the present utility model has the following beneficial effects:

[0021] The present utility model can not only remove the ice on the capillary tube, but also clean the capillary tube, ensure the normal operation of the distribution pipe assembly, and extend the service life of the heat exchange device. Description of the Drawings

[0022] The following further describes the present utility model with reference to the drawings:

[0023] Figure 1 It is a schematic structural diagram of the heat exchange distribution pipe assembly of the present utility model;

[0024] Figure 2 It is a schematic connection diagram between the fixing frame and the driving mechanism of the present utility model;

[0025] Figure 3 It is a schematic structural diagram of the movable heating and deicing mechanism of the present utility model;

[0026] Figure 4 It is a schematic structural diagram of the fixed collar, the first movable collar, and the second movable collar of the present utility model.

[0027] In the figure: 1 - straight pipe; 2 - distribution head; 3 - capillary tube; 4 - heat shrink tube; 5 - flared joint; 6 - temperature sensing clip; 7 - fixing frame; 8 - movable heating and deicing mechanism; 9 - controller; 10 - sleeve; 11 - positioning block; 12 - motor; 13 - screw; 14 - first support rod; 15 - column; 16 - fixed collar; 17 - first connecting rod; 18 - lifting collar; 19 - second support rod; 20 - first movable collar; 21 - second connecting rod; 22 - second movable collar; 23 - first connecting rod; 24 - first telescopic rod; 25 - second connecting rod; 26 - second telescopic rod; 27 - clamping hole; 28 - annular body; 29 - through hole; 30 - heating wire; 31 - brush. Detailed Embodiments

[0028] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The following will describe the present utility model in detail with reference to the drawings and in combination with the embodiments.

[0029] In order to enable those skilled in the art to better understand the solution of the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0030] It should be noted that the terms "first", "second", etc. in the description and claims of the present utility model and the above drawings are used to distinguish similar objects, and do not necessarily need to describe a specific order or sequence. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

[0031] As Figures 1 to 4 shown, the heat exchange distribution pipe assembly of the present utility model includes a distribution head 2 and a plurality of capillary tubes 3. One end of the distribution head 2 is connected to a straight pipe 1, and the capillary tubes 3 are connected to the other end of the distribution head 2. The capillary tubes 3 are connected to a flared joint 5 through a heat shrinkable tube 4, and a temperature sensing clip 6 is provided on one side of the heat shrinkable tube 4 close to the flared joint 5.

[0032] The heat exchange distribution pipe assembly further includes a driving mechanism and a mobile heating and deicing mechanism 8. The driving mechanism is connected to the distribution head 2 through a fixing frame 7. The fixing frame 7 includes a sleeve 10, a first support rod 14, and a column 15. The first support rods 14 are evenly distributed in a ring on the outer side of the sleeve 10, and the first support rods 14 are fixed to the distribution head 2 through the column 15. Through the design of the first support rods 14 and the column 15, the connection stability and reliability between the sleeve 10 and the distribution head 2 can be improved, and further the stability and reliability during the movement of the mobile heating and deicing mechanism 8 can be improved.

[0033] The driving mechanism includes a motor 12, a screw rod 13, and a positioning block 11. The motor 12 is provided on the top of the sleeve 10, the positioning block 11 is provided on the distribution head 2, and the motor 12 is connected to the positioning block 11 through the screw rod 13. By driving the screw rod 13 to rotate by the motor 12, the mobile heating and deicing mechanism 8 can be driven to move up and down to remove the ice on the capillary tubes 3.

[0034] A fixed collar 16 is provided at the end of the first support rod 14. A first connecting rod 17 is provided between two adjacent fixed collars 16. The first connecting rod 17 improves the connection stability and reliability between two adjacent fixed collars 16. The fixed collar 16 can heat the capillary tube 3 for defrosting.

[0035] The mobile heating and defrosting mechanism 8 is connected to the drive mechanism and the capillary tube 3. The mobile heating and defrosting mechanism 8 includes a lifting collar 18, a first moving collar 20 and a second moving collar 22. The lifting collar 18 is provided with internal threads which are matched with the screw rod 13. The first moving collar 20 is connected to the lifting collar 18 through a second support rod 19. Two adjacent first moving collars 20 are fixedly connected through a second connecting rod 21. The second moving collar 22 is connected to the first moving collar 20 through a telescopic assembly. Both the first moving collar 20 and the second moving collar 22 are slidably connected to the capillary tube 3. The second support rod 19 improves the connection stability between the first moving collar 20 and the lifting collar 18. The telescopic assembly can adjust the distance between two corresponding first moving collars 20 and second moving collars 22. The second connecting rod 21 improves the connection stability between two adjacent first moving collars 20. By rotating the screw rod 13, the lifting collar 18, the first moving collar 20 and the second moving collar 22 can be driven to move up and down synchronously to realize continuous defrosting of the capillary tube 3.

[0036] Positioning holes are provided on the second support rod 19 and are matched with the upright post 15, which improves the stability and reliability when the mobile heating and defrosting mechanism 8 moves.

[0037] The telescopic assembly includes a first telescopic rod 24 and a second telescopic rod 26. One end of the first telescopic rod 24 is fixed to the first moving collar 20 through a first connecting rod 23. One end of the second telescopic rod 26 is fixed to the second moving collar 22 through a second connecting rod 25. A cavity is provided on the first telescopic rod 24. The second telescopic rod 26 is inserted into the cavity and moves telescopically along the cavity. The first connecting rod 23 improves the connection stability between the first telescopic rod 24 and the first moving collar 20. The second connecting rod 25 improves the connection stability between the second telescopic rod 26 and the second moving collar 22. By moving the second telescopic rod 26 along the cavity of the first telescopic rod 24, the position of the second moving collar 22 can be adjusted to meet the defrosting requirements of capillary tubes 3 with different lengths.

[0038] A clamping hole 27 is provided on the side surface of the first telescopic rod 24, and an elastic member is provided on the second telescopic rod 26. The second telescopic rod 26 is limited in the clamping hole 27 through the elastic member to realize the fixed connection between the first telescopic rod 24 and the second telescopic rod 26.

[0039] The fixed collar 16, the first movable collar 20 and the second movable collar 22 all include an annular body 28. The annular body 28 is provided with a through hole 29 which is matched with the capillary tube 3. The inner wall of the through hole 29 is provided with a heating wire 30 and a brush 31. A controller 9 is arranged on the side surface of the distribution head 2. The controller 9 is electrically connected with the heating wire 30. The heating wire 30 can heat the surface of the capillary tube 3 for deicing. The brush 31 can clean the surface of the capillary tube 3. The controller 9 can be connected to an external power supply.

[0040] The movable heating deicing mechanism 8 is driven by a driving mechanism to move up and down, so as to deice the capillary tube 3. Through the design of the above structure, not only can the ice on the capillary tube 3 be removed, but also the capillary tube 3 can be cleaned, ensuring the normal operation of the distribution pipe assembly and prolonging the service life of the heat exchange equipment.

[0041] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made on the basis of the present invention to achieve substantially the same technical effects are all covered by the protection scope of the present invention.

Claims

1. Heat exchange distribution pipe assembly, including: A distribution head, one end of which is connected to a straight pipe; A plurality of capillaries, wherein the capillaries are connected to the other end of the dispensing head; Features: It also includes a driving mechanism and a mobile heating and deicing mechanism. The driving mechanism is connected to the distribution head through a fixed frame, and the mobile heating and deicing mechanism is connected to the driving mechanism and the capillary. The driving mechanism drives the mobile heating and deicing mechanism to move up and down to achieve deicing of the capillary.

2. The heat exchange distribution pipe assembly according to claim 1, characterized in that: The fixing frame includes a sleeve, a first support rod and a column. The first support rod is evenly distributed on the outer side of the sleeve in a ring shape. The first support rod is fixed to the distribution head through the column.

3. The heat exchange distribution pipe assembly according to claim 2, characterized in that: The driving mechanism comprises a motor, a screw and a positioning block. The motor is arranged on the top of the sleeve, the positioning block is arranged on the dispensing head, and the motor is connected to the positioning block through the screw.

4. The heat exchange distribution pipe assembly according to claim 3, characterized in that: A fixing collar is disposed at the end of the first support rod, and a first connecting rod is disposed between two adjacent fixing collars.

5. The heat exchange distribution pipe assembly according to claim 4, characterized in that: The mobile heating and deicing mechanism includes a lifting collar, a first movable collar and a second movable collar, the lifting collar is provided with an internal thread, the internal thread matches the screw rod, the first movable collar is connected to the lifting collar through a second support rod, two adjacent first movable collars are fixedly connected through a second connecting rod, the second movable collar is connected to the first movable collar through a telescopic assembly, and the first movable collar and the second movable collar are both slidably connected to the capillary.

6. The heat exchange distribution pipe assembly according to claim 5, characterized in that: The second support rod is provided with a positioning hole, and the positioning hole matches the column.

7. The heat exchange distribution pipe assembly according to claim 5, characterized in that: The telescopic assembly includes a first telescopic rod and a second telescopic rod, one end of the first telescopic rod is fixed to the first movable ring through a first connecting rod, and one end of the second telescopic rod is fixed to the second movable ring through a second connecting rod. The first telescopic rod is provided with a cavity, and the second telescopic rod is inserted into the cavity and telescopically moves along the cavity.

8. The heat exchange distribution pipe assembly according to claim 7, characterized in that: A clamping hole is provided on the side of the first telescopic rod, and an elastic member is provided on the second telescopic rod. The elastic member is limited in the clamping hole to achieve fixed connection between the first telescopic rod and the second telescopic rod.

9. The heat exchange distribution pipe assembly according to claim 5, characterized in that: The fixed sleeve, the first movable sleeve and the second movable sleeve all include an annular body, the annular body is provided with a through hole, the through hole matches the capillary, the inner wall of the through hole is provided with a heating wire and a brush, and a controller is provided on the side of the dispensing head, and the controller is electrically connected to the heating wire.

10. The heat exchange distribution pipe assembly according to claim 1, characterized in that: The capillary is connected with a flared joint through a heat shrink tube, and a temperature-sensitive clip is provided on one side of the heat shrink tube close to the flared joint.