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CN-224215613-U - Defrosting device for air source heat pump

CN224215613UCN 224215613 UCN224215613 UCN 224215613UCN-224215613-U

Abstract

The utility model discloses an air source heat pump defrosting device, which relates to the technical field of air source heat pumps and comprises an air source heat pump main body, wherein a connecting frame is arranged at the side end of the air source heat pump main body, an evaporator is connected in the connecting frame, a defrosting mechanism is arranged at the side end of the air source heat pump main body, the defrosting mechanism comprises a defrosting box, the defrosting box is connected at the lower end of the connecting frame, a separation plate is connected in the defrosting box, the defrosting box is vertically separated into a heating channel and a gas guide channel, the heating channel is communicated with the lower end of the gas guide channel, a movable frame is connected in the connecting frame in a sliding manner, the evaporator can be defrosted while the air source heat pump main body is kept to work, and compared with the traditional reverse circulation defrosting mode, the defrosting mode is adopted, the defrosting mechanism is less in influence of no heat, and the indoor temperature can not be greatly fluctuated.

Inventors

  • WU SHAOYOU

Assignees

  • 安徽格美智能制造有限公司

Dates

Publication Date
20260508
Application Date
20250429

Claims (7)

  1. 1. The defrosting device for the air source heat pump comprises an air source heat pump main body (1) and is characterized in that a connecting frame (2) is arranged at the side end of the air source heat pump main body (1), an evaporator (3) is connected in the connecting frame (2), a defrosting mechanism is arranged at the side end of the air source heat pump main body (1), and the defrosting mechanism comprises: The defrosting box (4) is connected to the lower end of the connecting frame (2); The separation plate (5) is connected in the defrosting box (4) and vertically separates the defrosting box into a heating channel (6) and a gas guide channel (7), and the heating channel (6) is communicated with the lower end of the gas guide channel (7); The movable frame (8), the movable frame (8) is connected in the connecting frame (2) in a sliding way, the lower end of the movable frame (8) is positioned in the air guide channel (7), the upper end of the movable frame (8) is provided with an air outlet (9) which is horizontally arranged, and a ventilation groove (10) is formed in the movable frame (8); The defrosting box is characterized in that an air inlet is formed in the side end of the defrosting box (4), the air inlet is formed in the side end of the defrosting box (4), a heating plate (12) is connected in the defrosting box (4), the heat generating end of the heating plate (12) is located in the heating channel (6), and a PTC heating element is arranged in the heating plate (12).
  2. 2. An air source heat pump defrosting device according to claim 1, wherein the air source heat pump main body (1) comprises a compressor, a condenser and an expansion valve component, the evaporator (3) is connected with the air source heat pump main body (1) through a pipeline, and the pipeline is positioned at the side end of the air source heat pump main body (1).
  3. 3. The defrosting device of the air source heat pump of claim 1 wherein the side end of the connecting frame (2) and the air inlet at the side end of the defrosting box (4) are both provided with protective net covers.
  4. 4. An air source heat pump defrosting device according to claim 1, wherein the movable frame (8) is located inside the evaporator (3), the air outlet (9) faces the evaporator (3), the lower end of the movable frame (8) is connected with a bottom frame (13), and the bottom frame (13) is located in the air guide channel (7).
  5. 5. The defrosting device of an air source heat pump as set forth in claim 4, wherein the side end of the bottom frame (13) is provided with a rectangular notch, two sides of the bottom frame (13) are connected with moving blocks (14), and a thread groove is formed in the moving blocks (14).
  6. 6. An air source heat pump defrosting apparatus as set forth in claim 5 wherein the defrosting mechanism further comprises a threaded rod (15), the threaded rod (15) being rotatably connected within the defrosting box (4), the threaded rod (15) being threadedly connected within the moving block (14).
  7. 7. An air source heat pump defrosting apparatus as set forth in claim 6, wherein the defrosting mechanism further comprises a driving motor (16), the driving motor (16) is connected to the lower end of the defrosting box (4), the driving end of the driving motor is rotatably connected to the defrosting box (4), and the driving end of the driving motor (16) is connected to the threaded rod (15).

Description

Defrosting device for air source heat pump Technical Field The utility model relates to the technical field of air source heat pumps, in particular to an air source heat pump defrosting device. Background The air source heat pump is an energy-saving device which utilizes high potential energy to enable heat to flow from low-level heat source air to high-level heat source, and the air source heat pump is used for absorbing heat from ambient air through cooperation of a compressor, an evaporator and other components and conveying the heat to a medium, so that the purpose of heating is achieved. In cold weather, the surface of the evaporator of the air source heat pump is easy to frost, and the traditional defrosting method such as reverse circulation defrosting has long defrosting time to influence the heating efficiency of the heat pump, for example, when the frost thickness of the surface of the evaporator reaches a certain degree, the reverse circulation defrosting needs long time to remove the frost layer, during which the heat pump cannot heat normally, and the indoor temperature can drop obviously. To this end, we provide an air source heat pump defrost device that solves the above problems. Disclosure of utility model Technical problem to be solved The utility model provides an air source heat pump defrosting device, which solves the problems of low defrosting efficiency and incapacity of heating a heat pump in the defrosting period of a traditional defrosting method by matching a connecting frame and a defrosting mechanism. The utility model provides a technical scheme that the air source heat pump defrosting device comprises an air source heat pump main body, wherein a connecting frame is arranged at the side end of the air source heat pump main body, an evaporator is connected in the connecting frame, a defrosting mechanism is arranged at the side end of the air source heat pump main body, and the defrosting mechanism comprises: The defrosting box is connected to the lower end of the connecting frame; The separation plate is connected in the defrosting box and vertically separates the defrosting box into a heating channel and a gas guide channel, and the heating channel is communicated with the lower end of the gas guide channel; The movable frame is connected in the connecting frame in a sliding manner, the lower end of the movable frame is positioned in the air guide channel, the upper end of the movable frame is provided with an air outlet which is horizontally arranged, and a ventilation groove is formed in the movable frame; The defrosting box side end is provided with the air intake, and the fan is located the air intake, defogging incasement is connected with the hot plate, the heat generating end of hot plate is located the heating way, set up to PTC heating element in the hot plate. Further, the air source heat pump main body comprises a compressor, a condenser, an expansion valve and other parts, the evaporator is connected with the air source heat pump main body through a pipeline, and the pipeline is positioned at the side end of the air source heat pump main body. Further, the air inlets at the side end of the connecting frame and the side end of the defrosting box are respectively provided with a protective net cover. Further, the movable frame is located at the inner side of the evaporator, the air outlet faces the evaporator, the lower end of the movable frame is connected with the bottom frame, and the bottom frame is located in the air guide channel. Further, rectangular notch is offered to bottom frame side, bottom frame both sides are connected with the movable block, set up the screw thread groove in the movable block. Further, the defrosting mechanism further comprises a threaded rod which is rotatably connected in the defrosting box and is in threaded connection with the moving block. Further, the defrosting mechanism further comprises a driving motor, the driving motor is connected to the lower end of the defrosting box, the driving end of the driving motor is rotatably connected in the defrosting box, and the driving end of the driving motor is connected with the threaded rod. The beneficial effects are that: compared with the prior art, the air source heat pump defrosting device has the following beneficial effects: 1. This air source heat pump defroster through being provided with hot plate, the fan, can make the defrosting case produce hot-blast, hot-blast entering through the air duct removes in the frame, then blow to the evaporimeter from the gas outlet, thereby carry out heating defrosting to it, hot-blast has higher temperature, can melt the frost layer on the evaporimeter fast, reduce defrosting time, improve air source heat pump's overall operating efficiency, through having seted up the ventilation groove in removing the frame, when the gas outlet is defrosting the evaporimeter, the external air current that is not blocked by the gas outlet at this moment still ca