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CN-121977307-A - One-tube evaporator

CN121977307ACN 121977307 ACN121977307 ACN 121977307ACN-121977307-A

Abstract

The invention provides a tubular evaporator, which relates to the technical field of evaporators and comprises a main body, wherein the main body comprises fins and end plates, the fins are equidistantly stacked and arranged, a single fin is a sheet type without welding spots, movable plates and cover plates are respectively arranged at two sides of the main body of the evaporator, the aluminum fins can be protected bilaterally, external force collision and scraping in the process of equipment assembly, transportation and maintenance are effectively resisted on the premise of not affecting ventilation, bending or deformation of the fins is avoided, when the local fins are slightly bent, the correction grooves integrated with the cover plates are inserted into the fins one by one, and the cover plates are transversely pushed, so that the correction grooves can mechanically straighten the deformed fins to recover the regularity and airflow channels of the fins, and the problem that the conventional tubular evaporator lacks a structure for protecting the fins on the windward side or the leeward side is solved, and when the fins are impacted by external force, the airflow is easily bent, so that the airflow flows through the evaporator is influenced, and the heat exchange effect is affected.

Inventors

  • ZHOU LIMING

Assignees

  • 常山永成制冷设备有限公司

Dates

Publication Date
20260505
Application Date
20260126

Claims (8)

  1. 1. A tube evaporator comprises a main body (1), wherein the main body (1) comprises fins (101) and end plates (102), the fins (101) are arranged in an equidistant stacking mode, a single fin (101) is a piece type welding-free plate, the end plates (102) are provided with two groups, the end plates (102) are positioned at the upper end and the lower end of the fins (101) which are arranged in a stacking mode, the tube evaporator is characterized in that slots (104) are arranged on two sides of each group of the end plates (102), two groups of mounting parts (2) are arranged on the main body (1), fixing pieces (201) of the mounting parts (2) are arranged on the front side of each group of the end plates (102), a matching groove (204) in the fixing pieces (201) is in plug-in matching with the edge of the front side of the end plates (102), a matching block A (2041) in the matching groove (104) of the front side of the end plates (102), sliding parts (3) are arranged on the front side of the main body (1), movable plates (301) of the sliding parts (3) are attached to the front sides of the fin plates (101), the two movable plates (301) can be in contact with the front side of the movable plates (101), and the two movable plates (201) can be in contact with the front side of the movable plates (201) of the main body (1) and can be in contact with the outer side (201), the cover plate (401) of the protection part (4) is arranged on the rear sides of the fins (101) and the end plate (102), the matching block B (402) at the side end of the cover plate (401) is in plug-in matching with the slot (104) at the rear side of the end plate (102), the ventilation slots (4011) in the cover plate (401) correspond to gaps between the stacked fins (101), and the correction slots (403) in the cover plate (401) are in plug-in matching with the edges of the fins (101) at corresponding positions.
  2. 2. A tube evaporator according to claim 1, wherein the main body (1) comprises fitting slots (103) and a coil (105), the fitting slots (103) are equidistantly arranged inside the fins (101) and the end plates (102), the fitting slots (103) at corresponding positions of the fins (101) and the end plates (102) are communicated, the coil (105) is inserted on the fins (101) and the end plates (102) through the fitting slots (103), and the coil (105) is tightly fixed in the fitting slots (103) of the fins (101) and the end plates (102) through interference fit.
  3. 3. A tube evaporator according to claim 1, wherein the mounting portion (2) comprises a fixing member (201), a sliding groove (202) and a bolt (203), the fixing member (201) is of a rectangular structure, the sliding groove (202) is vertically arranged in the fixing member (201) and penetrates through the fixing member (201), the bolt (203) is mounted at an intermediate position on the front side of the fixing member (201) in a threaded mode, and the tail end of the bolt (203) can extend into the sliding groove (202).
  4. 4. A tube evaporator according to claim 3, wherein the mounting portion (2) comprises a fitting groove (204) and a fitting block a (2041), the fitting groove (204) is provided at an intermediate position of the rear side of the fixing member (201), and the fitting block a (2041) is fixedly provided laterally inside the fitting groove (204).
  5. 5. A tube evaporator according to claim 1, wherein the sliding part (3) comprises a movable plate (301), a wind gathering ring (302) and air holes (303), the movable plate (301) is of a rectangular structure, the wind gathering ring (302) is arranged at the middle position of the movable plate (301), and the air holes (303) are equidistantly arranged inside the movable plate (301).
  6. 6. A tube evaporator according to claim 1, wherein the protecting portion (4) comprises a cover plate (401) and ventilation grooves (4011), the cover plate (401) is of rectangular structure, the ventilation grooves (4011) are equidistantly arranged inside the cover plate (401), and the ventilation grooves (4011) penetrate through the cover plate (401).
  7. 7. A tube evaporator according to claim 6, wherein the protecting portion (4) comprises a fitting block B (402) and a correction groove (403), the fitting block B (402) is symmetrically disposed at both ends of the front side of the shroud plate (401), and the correction groove (403) is equidistantly disposed at the front side of the shroud plate (401).
  8. 8. A tube evaporator according to claim 7, wherein the protecting portion (4) comprises holding bars (404), the holding bars (404) are provided in two groups, and the holding bars (404) are symmetrically disposed on both sides of the outside of the housing plate (401).

Description

One-tube evaporator Technical Field The invention relates to the technical field of evaporators, in particular to a tubular evaporator. Background The evaporator is a core heat exchange device widely applied to the fields of refrigeration and heat exchange, is an indispensable key component in a plurality of devices such as a refrigerator, a freezer, an air conditioner, a refrigerator car, an industrial cooling system and the like, and is used as a 'heat absorption end' for heat exchange between a refrigerant and the outside in refrigeration cycle, and the heat exchange efficiency directly determines the refrigeration performance, the energy consumption level and the operation stability of the whole refrigeration system. However, there are several disadvantages in the current tube evaporator design: Firstly, the existing tubular evaporator lacks a structure for adjusting the local heat dissipation effect, in the actual operation process, different areas of the evaporator often face unequal heat flux density (such as heat load difference between an inlet area and an outlet area close to a refrigerating pipeline and between a windward core area and an edge area of an equipment air duct), the fixed fin structure cannot adaptively adjust the local heat dissipation capacity, thus the overall heat exchange effect of the evaporator is very easy to be unbalanced, partial areas have insufficient heat exchange and lead to refrigeration waste, and partial areas cause insufficient heat exchange of the refrigerant due to concentrated heat flux, and finally the operation efficiency of the whole refrigerating system is obviously reduced; Secondly, the aluminum fins of the existing tubular evaporator are generally arranged in a direct exposed mode, and because the thickness of the aluminum fins is thinner (generally 0.1-0.3 mm) and the structural strength is limited, the fins are extremely easy to collide and scratch by external force to bend, deform or even break in the process of equipment assembly, transportation and daily maintenance, the airflow tissues on the surface of the evaporator can be directly damaged by the deformation of the fins, the air circulation resistance is increased, the air to be cooled cannot be fully heat exchanged with the fins and the heat exchange tubes, and the heat exchange performance of the evaporator is greatly reduced. Disclosure of Invention In view of the above problems, an object of the present invention is to remedy these drawbacks, and more particularly to provide a tube evaporator capable of improving uniformity of heat exchanging effect of the evaporator, avoiding difference of heat exchanging effect of the evaporator locally and protecting fins of the heat exchanger. The invention provides a tubular evaporator, which specifically comprises a main body, wherein the main body comprises fins and end plates, the fins are arranged in an equidistant stacking mode, a single fin is a sheet type welding-free spot, the end plates are provided with two groups, the end plates are positioned at the upper end and the lower end of the fins which are arranged in a stacking mode, slots are formed in two sides of each group of end plates, two groups of mounting parts are arranged on the main body, a fixing piece of each mounting part is arranged on the front side of each group of end plates, a matching groove in the fixing piece is in plug-in fit with the edge of the front side of the end plate, a matching block A in the matching groove is in plug-in fit with the slot of the front side of the end plate, a sliding part is arranged on the front side of the main body, two ends of the sliding part penetrate through the sliding grooves in the fixing piece, the sliding plate can be in contact with the tail ends of bolts of the front side of the fixing piece, a protecting part is arranged outside the main body, cover plate of the protecting part is arranged on the rear side of the fins and the end plates, the cover plate is in plug-in fit with the slots of the rear side, a matching block B of the cover plate is in the plugging fit with the slots of the rear side, a ventilation groove in the cover plate is in the cover plate, and the ventilation groove is in the corresponding position to the corresponding clearance of the corresponding to the correction groove of the fins. Preferably, the main body comprises assembly slots and coils, wherein the assembly slots are equidistantly arranged in the fins and the end plates and are communicated with the assembly slots at corresponding positions of the fins and the end plates, the coils are inserted on the fins and the end plates through the assembly slots, and the coils are tightly fixed in the assembly slots of the fins and the end plates through interference fit. The mounting part comprises a fixing part, a sliding groove and a bolt, wherein the fixing part is of a rectangular structure, the sliding groove is vertically arranged in the fixing part and penetrate