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CN-121977310-A - Automatic refrigerant filling device for refrigeration equipment

CN121977310ACN 121977310 ACN121977310 ACN 121977310ACN-121977310-A

Abstract

The invention relates to the technical field of refrigerant filling, and discloses an automatic refrigerant filling device for refrigeration equipment, which comprises a refrigeration machine, wherein an air pipe is fixedly arranged at the side wall of the refrigeration machine, a gun head is fixedly arranged at the top of the outer wall of the air pipe, when the gun head is ready to be fixed at the bottleneck of a metering tank, an electric push rod is started, a movable plate is driven to move upwards by the electric push rod, when a movable block moves, a contact block is driven to move synchronously, when the movable block moves for a certain distance, the contact block is contacted with the bottleneck of the metering tank, at the moment, the contact block moves in the movable block, when the movable block is about to stop moving, the left end of the outer wall of a limiting plate is contacted with a plurality of bulges at the bottom of the outer wall of the contact block, and the limitation of the contact block is completed through grooves, so that the bottle mouth with irregularities can be adapted, the vacuum degree can be remarkably improved to achieve speed and stability, the operation dependence can be reduced ‌, the operation consistency can be improved, and meanwhile, the manual screwing strength or the repeated angle adjustment by an operator is not required.

Inventors

  • JIANG MING
  • ZHOU XIAOHUI
  • TIAN MAOMAO

Assignees

  • 德阳市泰山机电设备工程有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (10)

  1. 1. The utility model provides an automatic filling device of refrigerant for refrigeration plant, includes refrigerator (13), the fixed trachea (14) that are provided with in lateral wall department of refrigerator (13), the fixed rifle head (15) that are provided with in outer wall top of trachea (14), its characterized in that still includes: The adaptation mechanism (1), the adaptation mechanism (1) is fixedly arranged at the inner wall of the gun head (15); The braking mechanism (2) is arranged at the inner wall of the adapting mechanism (1) in a sliding way; and the cleaning mechanism (3) is fixedly arranged at the inner wall of the braking mechanism (2).
  2. 2. The automatic refrigerant charging apparatus for a refrigeration apparatus as recited in claim 1, wherein said adapting means (1) comprises: the force application assembly (11) is fixedly arranged at the bottom of the inner wall of the gun head (15); A follower assembly (12), the follower assembly (12) being slidably disposed at an inner wall of the force application assembly (11); Before starting the refrigerator (13), a worker firstly takes out the gun head (15) and fixes the gun head at the bottleneck of the metering tank, at the moment, the worker starts the refrigerator (13) and vacuumizes the inside of the metering tank through the gun head (15), and when the extraction is finished, the worker sprays out the refrigerant and reaches the inside of the gun head (15) through the air pipe (14) to enter the metering tank again.
  3. 3. The automatic refrigerant charging apparatus for a refrigeration device according to claim 2, wherein the brake mechanism (2) comprises: An inflation assembly (21), the inflation assembly (21) being slidably disposed at an inner wall of the follower assembly (12); A passive assembly (22), the passive assembly (22) being rotatably disposed at an inner wall of the air tube (14); Wherein, when the following component (12) moves, the inflation component (21) moves in the inner position of the following component (12).
  4. 4. The automatic refrigerant charging apparatus for a refrigeration apparatus as recited in claim 3, wherein said cleaning mechanism (3) comprises: The lifting assembly (31) is fixedly arranged at the inner wall of the passive assembly (22); a moving assembly (32), the moving assembly (32) being slidably disposed at an inner wall of the lifting assembly (31); wherein, when the passive component (22) rotates, an external force is applied to the lifting component (31).
  5. 5. The automatic refrigerant charging device for the refrigeration equipment according to claim 4, wherein the force application assembly (11) comprises an electric push rod (111) fixedly connected to the bottom of the inner wall of the gun head (15), a movable plate (112) is fixedly connected to the top of the outer wall of the electric push rod (111), a plurality of force application plates (113) are rotatably connected to the top of the outer wall of the movable plate (112), and a movable block (114) is rotatably connected to the top of the outer wall of the force application plate (113); The movable block (114) is slidably connected to the inner wall of the gun head (15), and the top of the outer wall of the movable block (114) is not in contact with the bottle mouth of the metering tank.
  6. 6. The automatic refrigerant charging device for a refrigeration apparatus as recited in claim 5, wherein the following assembly (12) comprises a contact block (121) slidably connected to an inner wall of the moving block (114), a spring (122) is fixedly connected to a right end of an outer wall of the moving block (114), a first spring (123) is fixedly connected to a right end of an outer wall of the contact block (121), and a limiting plate (124) is slidably connected to an inner wall of the gun head (15); One end of the contact block (121) close to the bottleneck of the metering tank is provided with a sealing gasket, one end of the first spring (123) away from the contact block (121) is fixedly connected with the top of the outer wall of the moving block (114), one end of the spring (122) away from the moving block (114) is fixedly connected with the inner wall of the gun head (15), and the bottom of the outer wall of the limiting plate (124) is in contact with the inner wall of the moving block (114).
  7. 7. The automatic refrigerant charging apparatus for a refrigeration apparatus as recited in claim 6, wherein the charging assembly (21) comprises a compression block (211) fixedly connected to an inner wall of the moving block (114), and an airbag (212) is fixedly connected to a side wall of the contact block (121); The material of the air bag (212) is polyurethane, and the air bag has the advantages of refrigerant corrosion resistance and excellent air pressure impact resistance.
  8. 8. The automatic refrigerant charging device for a refrigeration device according to claim 6, wherein the passive component (22) comprises a rotating plate (221) rotatably connected to the inner wall of the air pipe (14), a torsion spring (222) is sleeved on the inner wall of the air pipe (14), and a tilting plate (223) is rotatably connected to the top of the inner wall of the rotating plate (221); The contact surface of the rotating plate (221) and the air pipe (14) is provided with a sealing gasket, the torsion spring (222) acts on the inner wall of the rotating plate (221), and the warping plate (223) can move towards one end of the moving block (114) while rotating.
  9. 9. The automatic refrigerant charging device for the refrigeration equipment according to claim 8, wherein the lifting assembly (31) comprises a storage block (311) fixedly connected to the outer wall of the rotating plate (221), a lower pressing plate (312) is slidably connected to the bottom of the inner wall of the rotating plate (221), and two elastic sheets (313) are fixedly connected to the top of the outer wall of the lower pressing plate (312); The top of the outer wall of the elastic sheet (313) is fixedly connected with the top of the inner wall of the rotating plate (221), the storage block (311) penetrates into the rotating plate (221), and a sealing gasket is arranged on the contact surface of the lower pressing plate (312) and the rotating plate (221).
  10. 10. The automatic refrigerant charging device for the refrigeration equipment according to claim 9, wherein the moving assembly (32) comprises a blocking plate (321) which is slidably connected to the inner wall of the storage block (311), a first elastic sheet (322) is fixedly connected to the side wall of the blocking plate (321), a fixed shaft (323) is fixedly connected to the bottom of the outer wall of the rotating plate (221), and a sealing plate (324) is rotatably connected to the outer wall of the fixed shaft (323); The sealing plate (321) penetrates into the storage block (311), a sealing gasket is arranged between the sealing plates (321), a sealing gasket is arranged on the contact surface of the sealing plate (324) and the rotating plate (221), the discharge amount of each cleaning agent is in a controllable range, and the cleaning agent is neutral or weak acid environment-friendly type of the refrigeration equipment design.

Description

Automatic refrigerant filling device for refrigeration equipment Technical Field The invention relates to the technical field of refrigerant filling, in particular to an automatic refrigerant filling device for refrigeration equipment. Background The automatic refrigerant filling device for the refrigeration equipment realizes the integrated operation of vacuumizing the refrigeration system, refrigerant recovery, accurate control of filling quantity and automatic detection through an integrated control system and a precise sensing element, and is characterized in that a ‌ compressor, an electromagnetic valve group, a flowmeter and an intelligent control unit ‌ are utilized to cooperatively work, so that the high efficiency, safety and accuracy of the filling process are ensured; When the working personnel performs vacuumizing operation, as the bottle mouth of the metering tank has irregularity, such as an indentation on the bottle mouth, if the working personnel does not find the bottle mouth in time under the condition of the tiny indentation, the gun head cannot be well adapted, risks ‌ such as sealing inaccuracy, refrigerant leakage, insufficient vacuum degree, out-of-control filling and the like can be caused when the working personnel performs refrigerant filling operation, and the following scheme is provided for the problems. Disclosure of Invention In order to solve the technical problems, the invention provides an automatic refrigerant charging device for refrigeration equipment, which comprises a refrigerator, wherein an air pipe is fixedly arranged at the side wall of the refrigerator, a gun head is fixedly arranged at the top of the outer wall of the air pipe, and the automatic refrigerant charging device further comprises: The adaptation mechanism is fixedly arranged at the inner wall of the gun head; the braking mechanism is arranged on the inner wall of the adapting mechanism in a sliding way; and the cleaning mechanism is fixedly arranged at the inner wall of the braking mechanism. Preferably, the adaptation mechanism comprises: The force application component is fixedly arranged at the bottom of the inner wall of the gun head; The following component is arranged at the inner wall of the force application component in a sliding manner; when the gun head is ready to be fixed at the bottleneck of the metering tank, the force application assembly is started, and the following assembly is driven to move through the force application assembly. Preferably, the braking mechanism comprises: the inflation assembly is arranged at the inner wall of the following assembly in a sliding manner; The passive component is rotationally arranged at the inner wall of the air pipe; When the force application component moves a certain distance, the passive component rotates. Preferably, the cleaning mechanism comprises: the lifting assembly is fixedly arranged at the inner wall of the passive assembly; the moving assembly is arranged on the inner wall of the lifting assembly in a sliding manner; When the lifting component moves a certain distance, the moving component moves. Preferably, the force application assembly comprises an electric push rod fixedly connected to the bottom of the inner wall of the gun head, a movable plate is fixedly connected to the top of the outer wall of the electric push rod, a plurality of force application plates are rotatably connected to the top of the outer wall of the movable plate, and a moving block is rotatably connected to the top of the outer wall of the force application plate; When the gun head is ready to be fixed at the bottleneck of the metering tank, the force application plate generates thrust to the moving block through the electric push rod. Preferably, the following assembly comprises a contact block which is in sliding connection with the inner wall of the moving block, the right end of the outer wall of the moving block is fixedly connected with a spring, the right end of the outer wall of the contact block is fixedly connected with a spring I, and the inner wall of the gun head is in sliding connection with a limiting plate; When the movable block moves, the contact block is driven to synchronously move, when the movable block moves for a certain distance, the contact block is contacted with the bottleneck of the metering tank, the contact block generates thrust to the first spring along with the continuous movement of the movable block, at the moment, the contact block moves in the movable block, and when the movable block is about to stop moving, the left end of the outer wall of the limiting plate passes through the groove to finish the limitation of the contact block. Preferably, the inflation assembly comprises a compression block fixedly connected to the inner wall of the moving block, and an air bag is fixedly connected to the side wall of the contact block; The compression block is driven to move in the contact block along with the continuous movement of