CN216814685U - Heat exchange structure for heat pump - Google Patents

Abstract

The utility model relates to a heat exchange structure for a heat pump, which belongs to the technical field of heat exchange and solves the problems that in the heat exchange technology of the existing heat pump unit, condensed water attached to the surface of an evaporator fin is difficult to discharge smoothly, the performance of the unit is deteriorated, and the heat supply capacity of the unit is reduced, and water pipes in a condenser are spirally arranged, so that scale is inconvenient to clean and the maintenance cost is high; this scheme includes evaporimeter and condenser, and the evaporimeter includes the barrel casing, and the barrel casing is the cylindrical shell structure of level arrangement, and its peak vertical extension has the input tube, the vertical extension of minimum has output tube, inside to be provided with the inner core, and the surface of inner core rotates and is provided with the fin, and the condenser includes the shell, is provided with hot exchange pipe in the shell, and hot exchange pipe includes threaded connection's takeover and straight tube, and the takeover is the U-shaped tubular structure, and the straight tube is the cylinder straight tube structure.

Description

Heat exchange structure for heat pump

Technical Field

The utility model relates to the technical field of heat pump units, in particular to the technical field of heat exchange, and particularly relates to a heat exchange structure for a heat pump.

Background

When the existing heat pump unit is used, two groups of heat exchangers exist: an evaporator and a condenser.

The outdoor heat exchanger serving as the evaporator discharges cold air outwards, the surface temperature of fins of the heat exchanger is reduced along with the cold air due to low evaporation temperature, when outside air flows through the heat exchanger, moisture contained in the outside air is separated out and attached to the surfaces of the flat tubes to form condensed water or a frost layer, and the condensed water or melted frost cannot be smoothly discharged out of the heat exchanger under the action of surface tension due to the reasons of small fin gaps, uneven surfaces of the flat tubes with residual welding flux and the like, so that the performance of the unit is deteriorated, and the heat supply capacity of the unit is reduced.

As the indoor heat exchanger of condenser, for increasing the heat exchange efficiency between fin and the water pipe, the water pipe generally sets to the spiral and arranges, uses the back for a long time, and the clearance that is incrustation scale and surface rust layer in the water pipe of spiral arrangement is all comparatively inconvenient, and certain part of water pipe damages, then whole water pipe all need change the maintenance, and cost of maintenance is higher.

Therefore, the utility model provides a heat exchange structure for a heat pump.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems mentioned in the background above, the present invention provides a heat exchange structure for a heat pump.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows.

The utility model provides a heat transfer structure for heat pump, includes evaporimeter and condenser, and the evaporimeter includes the shell, and the condenser includes the shell, is provided with the inner core in the shell, and the surface of inner core rotates and is provided with the fin, is provided with hot exchange pipe in the shell, and hot exchange pipe is the U-shaped tubular structure including takeover and straight tube, takeover, and the straight tube is the cylinder straight tube structure, threaded connection between takeover and the straight tube.

As a further improvement and optimization of the present invention.

The cylinder shell is a cylindrical shell structure which is horizontally arranged, an input pipe vertically extends from the highest point of the cylinder shell, and an output pipe vertically extends from the lowest point of the cylinder shell.

As a further improvement and optimization of the present invention.

The outer portion of inner core is coaxial activity to be provided with the cover shell, and the outer disc of cover shell is provided with the fin along radial, and the fin is provided with the multiunit along the circumferencial direction array of cover shell.

As a further improvement and optimization of the present invention.

The coaxial activity in outside of inner core is provided with the lantern ring, and the lantern ring is provided with the multiunit along the axial array of inner core, and the outer disc of every group lantern ring all is provided with the fin along radial, and the fin on every group lantern ring is provided with the multiunit along the circumferencial direction array of lantern ring.

As a further improvement and optimization of the present invention.

The outer surface of the shell is provided with a water inlet pipe and a water outlet pipe, one end of the heat exchange pipe is communicated with the water inlet pipe, and the other end of the heat exchange pipe is communicated with the water outlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the scheme, the fins are rotatably arranged on the outer surface of the inner core;

when the evaporator works, the fins are driven to rotate by air flow, condensed water on the surfaces of the fins is thrown out under the action of rotating centrifugal force, and the condensed water is guided by the inner wall of the cylinder shell and is discharged through the output pipe;

when the evaporator stops working, when water in the air is analyzed and attached to the surfaces of the fins, the fins are driven to rotate under the action of the gravity of water drops, so that the water drops attached to the surfaces of the fins are thrown away in an auxiliary mode, and the water drops are guided by the inner wall of the cylinder shell and are discharged through an output pipe;

and then solved the difficult smooth and easy discharge of comdenstion water that adheres to on the evaporimeter fin surface, worsened unit performance, reduced the problem of unit heat supply ability.

2. In the scheme, the heat exchange tube comprises the connecting tube and the straight tube, the connecting tube is in a U-shaped tube structure, the straight tube is in a cylindrical straight tube structure, and the connecting tube and the straight tube are in threaded connection;

when scale in the heat exchange tube is cleaned, the connecting tube and the straight tube can be directly disassembled and cleaned one by one, so that the heat exchange tube is more convenient;

when the heat exchange tube is partially damaged due to reasons such as corrosion, the damaged part can be disassembled for replacement, the whole heat exchange tube does not need to be replaced, and the maintenance cost is lower.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of an evaporator;

FIG. 3 is a schematic view of the cooperation of the fins and the core;

FIG. 4 is an exploded view of the condenser;

FIG. 5 is an exploded view of the adapter tube and the straight tube;

FIG. 6 is a schematic view of the structure of a heat exchange tube.

The reference numbers in the drawings are:

1. an evaporator; 101. a cartridge housing; 102. an input tube; 103. an output pipe; 104. an inner core; 105. a fin; 2. a condenser; 201. a housing; 202. a water inlet pipe; 203. a water outlet pipe; 204. a heat exchange tube; 205. taking over a pipe; 206. a straight pipe; 3. a compressor; 4. a pipeline.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-6, a heat exchange structure for a heat pump includes an evaporator 1 and a condenser 2, the evaporator 1 and the condenser 2, and other components constituting the heat pump unit, such as a compressor 3, a filter, an expansion valve, etc., which are communicated through a pipeline 4, and will not be described again.

As shown in fig. 2, the evaporator 1 includes a cylindrical shell 101, the cylindrical shell 101 is a horizontally arranged cylindrical shell structure, an input pipe 102 vertically extends from the highest point of the cylindrical shell 101, an output pipe 103 vertically extends from the lowest point of the cylindrical shell 101, the input pipe 102 is used for external air to enter the evaporator 1, and the output pipe 103 is used for discharging cold air generated after heat exchange to the outside.

The cartridge case 101 has an inner core 104 therein, the inner core 104 stores liquid refrigerant therein, and fins 105 are provided outside thereof.

The fins 105 are rotatably arranged on the outer surface of the inner core 104, when the evaporator 1 works, the fins 105 are driven to rotate by air flow, condensed water on the surfaces of the fins 105 is thrown out under the action of rotating centrifugal force, and the condensed water is guided by the inner wall of the cylinder shell 101 and is discharged through the output pipe 103; when the evaporator 1 stops working, when water in the air is analyzed and attached to the surfaces of the fins 105, the fins 105 are driven to rotate under the action of the gravity of water drops, so that the water drops attached to the surfaces of the fins 105 are thrown away in an auxiliary manner, and the water drops are guided by the inner wall of the cylinder shell 101 and are discharged through the output pipe 103; and then solved the difficult smooth and easy discharge of comdenstion water that adheres to on the evaporimeter fin surface, worsened unit performance, reduced the problem of unit heat supply ability.

The fins 105 may be rotatably disposed in a variety of ways, such as:

firstly, the method comprises the following steps: as shown in fig. 2, a jacket is coaxially and movably disposed outside the inner core 104, fins 105 are radially disposed on an outer circumferential surface of the jacket, and a plurality of groups of the fins 105 are arrayed in a circumferential direction of the jacket.

II, secondly: as shown in fig. 3, the exterior of the inner core 104 is coaxially and movably provided with lantern rings, the lantern rings are arranged in an array along the axial direction of the inner core 104, the outer circular surface of each group of lantern rings is provided with fins 105 along the radial direction, and the fins 105 on each group of lantern rings are arranged in an array along the circumferential direction of the lantern rings; compared with the first mode, in the second mode, the fins 105 are segmented, the gravity of each group of fins 105 is small, when less water drops are attached to the surfaces of the fins 105, the gravity of the fins 105 can be overcome immediately, the fins 105 are pulled to rotate, and then the water drops are thrown out, so that the water drops are prevented from being easily thrown out of the fins 105 after being condensed into frost.

As shown in fig. 4, the condenser 2 includes a housing 201, and an inlet pipe 202 and an outlet pipe 203 are disposed on an outer surface of the housing 201.

A heat exchange pipe 204 is arranged in the shell 201, the heat exchange pipe 204 is spirally arranged, and one end of the heat exchange pipe 204 is communicated with the water inlet pipe 202, and the other end of the heat exchange pipe is communicated with the water outlet pipe 203.

As shown in fig. 5, the heat exchange tube 204 includes a connection tube 205 and a straight tube 206, the connection tube 205 is in a U-shaped tube structure, the straight tube 206 is in a cylindrical straight tube structure, and the connection tube 205 and the straight tube 206 are in threaded connection, so that when in use, the connection tube 205 and the straight tube 206 can be spliced into a spiral arrangement as shown in fig. 4, or the connection tube 205 and the straight tube 206 can be spliced into a spiral arrangement as shown in fig. 6, and the use is more flexible.

When the scale in the heat exchange tube 204 is cleaned, the connecting tube 205 and the straight tube 206 can be directly disassembled for cleaning one by one, which is more convenient.

When the heat exchange tube 204 is partially damaged due to corrosion or the like, the damaged part can be removed for replacement, and the whole heat exchange tube 204 does not need to be replaced, so that the maintenance cost is lower.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (5)

1. The utility model provides a heat transfer structure for heat pump, includes evaporimeter (1) and condenser (2), evaporimeter (1) includes shell (101), condenser (2) are including shell (201), a serial communication port, be provided with inner core (104) in shell (101), the surface rotation of inner core (104) is provided with fin (105), be provided with hot exchange pipe (204) in shell (201), hot exchange pipe (204) are including taking over (205) and straight tube (206), take over (205) and be the U-shaped tubular construction, straight tube (206) are cylinder straight tube structure, threaded connection between taking over (205) and straight tube (206).

2. A heat exchange structure for a heat pump according to claim 1, characterized in that the cartridge (101) is a horizontally arranged cylindrical shell structure, and the highest point of the cartridge (101) has an inlet pipe (102) extending vertically and the lowest point has an outlet pipe (103) extending vertically.

3. A heat exchange structure for a heat pump according to claim 2, wherein the outer portion of the inner core (104) is coaxially provided with a casing, the outer circumferential surface of the casing is provided with fins (105) in a radial direction, and the fins (105) are arranged in a plurality of groups in a circumferential direction array of the casing.

4. A heat exchange structure for a heat pump according to claim 2, wherein the outer portion of the inner core (104) is coaxially and movably provided with a plurality of sets of collars, the collars are arranged in an axial array along the inner core (104), the outer circumferential surface of each set of collars is provided with fins (105) in a radial direction, and the fins (105) on each set of collars are arranged in a plurality of sets in a circumferential array along the collars.

5. A heat exchanging structure for a heat pump according to claim 1, wherein an inlet pipe (202) and an outlet pipe (203) are provided on an outer surface of the housing (201), and the heat exchanging pipe (204) has one end communicating with the inlet pipe (202) and the other end communicating with the outlet pipe (203).

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