CN219589199U - EVI heat pump device suitable for low temperature environment - Google Patents

Abstract

The utility model discloses an EVI heat pump device suitable for a low-temperature environment, which comprises an outer machine body, wherein an air inlet channel is arranged at the side part of the outer machine body, an air outlet channel is arranged at the top part of the outer machine body, a mesh plate and an air duct are sequentially fixed on the air inlet channel from outside to inside, the mesh plate is communicated with the inner cavity of the air duct, a heating component is arranged in the inner cavity of the mesh plate, and a flow guiding mechanism is arranged in the air duct. According to the utility model, the air duct is arranged, the first air guide fan blade and the second air guide fan blade are arranged in the air duct, and the heating component is arranged in the inner cavity of the mesh plate, so that spiral hot air can be generated through the cooperation of the structures, the deicing efficiency can be obviously improved, and the device is suitable for low-temperature environments.

Description

EVI heat pump device suitable for low temperature environment

Technical Field

The utility model relates to an EVI heat pump device suitable for a low-temperature environment.

Background

The heat pump water heater is a common heat pump device, and is a high-efficiency heat energy lifting and transferring device, which uses a small amount of electric energy as power, uses a refrigerant as a carrier, continuously absorbs heat energy in air, converts the heat energy into usable high-grade heat energy, releases the high-grade heat energy into water to be heated, prepares domestic hot water, and transmits the domestic hot water to a user through a hot water pipeline.

As in chinese patent CN208519992U discloses a double-source heat pump water heater with electric auxiliary heating, comprising an evaporator, a compressor, electric heating and a condenser; the evaporator is arranged at one end of the compressor, the condenser is arranged at the other end of the compressor, the evaporator comprises a water source evaporator and an air evaporator, the water source evaporator is arranged below the air evaporator, and electric heating for separating the water source evaporator and the air evaporator is arranged between the water source evaporator and the air evaporator; the two ends of the compressor are respectively connected with the evaporator and the condenser through a conduit, the compressor absorbs air heat or water source heat in the evaporator through a flowing medium to supply energy to the condenser, the top of the condenser is provided with a water inlet, and the bottom of the condenser is provided with a water outlet; the heating rate can be effectively improved, and the equipment failure caused by freezing can be avoided.

In the above patent, the air inlet and outlet and the electric heating are arranged to heat each component inside the outer casing, so that the icing is prevented, but in the patent, the air inlet and outlet is only used for providing flowing air to bring the heat generated by the electric heating to the inner cavity of the outer casing, so that the deicing effect is poor, and especially when the device is used in a low-temperature environment, the poor deicing effect obviously cannot meet the requirement.

Disclosure of Invention

In view of the above problems, the present utility model provides an EVI heat pump device suitable for a low-temperature environment, which effectively solves the problems pointed out in the background art.

The technical scheme adopted by the utility model is as follows:

the EVI heat pump device suitable for the low-temperature environment comprises an outer machine body, an air inlet channel is arranged on the side portion of the outer machine body, an air outlet channel is arranged at the top of the outer machine body, a mesh plate and an air duct are sequentially fixed on the air inlet channel from outside to inside, an inner cavity of the mesh plate is communicated with an inner cavity of the air duct, a heating assembly is arranged in the inner cavity of the mesh plate, and a flow guiding mechanism is arranged in the air duct.

Preferably, the air guide mechanism comprises a transmission shaft arranged at the center of the air guide cylinder, the transmission shaft is arranged on the air guide cylinder through a mounting bracket, a second air guide fan blade is fixed at the inner end of the transmission shaft, and the transmission shaft is driven by a second driving component.

Preferably, a guide block is fixed at the outer end of the transmission shaft.

Preferably, the guide block is conical with small outside and large inside.

The conical flow guide blocks can effectively reduce the resistance of gas flow and improve the deicing effect.

Preferably, the second driving assembly comprises a driving motor and a transmission assembly connected with the driving motor and the transmission shaft.

Preferably, the air guiding mechanism further comprises at least two first air guiding blades fixed on the inner wall of the air guiding cylinder, and the first air guiding blades are driven by the first driving assembly.

The air guide mechanism realizes spiral hot air through the cooperation of the first air guide fan blade and the second air guide fan blade, and the spiral hot air can improve the heat exchange efficiency of the hot air and the unit, so that the deicing effect is improved, and the normal and efficient operation of the unit in a low-temperature environment is ensured.

Preferably, the first air guide blades are obliquely arranged on the inner wall of the air guide cylinder, and the first air guide blades are circumferentially and uniformly distributed in the inner cavity of the air guide cylinder.

The first air guide fan blade and the second air guide fan blade enable spiral hot air to be generated in the air guide cylinder, and compared with conventional air flow deicing, deicing efficiency can be greatly improved, and normal operation of the unit at low temperature is guaranteed.

Preferably, the inner cavity of the air duct is provided with a temperature sensor and a logic controller, and the temperature sensor, the first driving assembly, the second driving assembly and the heating assembly are all electrically connected with the logic controller.

When the temperature sensor detects that the temperature in the air duct is lower than the set temperature, the logic controller controls the first driving assembly, the second driving assembly and the heating assembly to work, so that deicing efficiency is improved, and the working effect of the unit under a low-temperature environment is improved.

According to the utility model, the air duct is arranged, the first air guide fan blade and the second air guide fan blade are arranged in the air duct, and the heating component is arranged in the inner cavity of the mesh plate, so that spiral hot air can be generated through the cooperation of the structures, the deicing efficiency can be obviously improved, and the device is suitable for low-temperature environments.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a portion of the present utility model in cross-section;

FIG. 3 is a schematic diagram of the structure of the mesh plate and the air duct;

fig. 4 is a schematic structural view of the mesh plate and the air duct.

Detailed Description

The present utility model will be described in further detail below with reference to the drawings by way of specific embodiments, and for convenience, references to the orientations "up", "down", "left" and "right" in the description of the present utility model are all made to the drawings, where the terms "mounted", "provided", "connected", etc. should be interpreted broadly, and the terms "connected", for example, may be a fixed connection, may be a removable connection, or may be an integral connection, unless explicitly specified and limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1-4, an EVI heat pump device suitable for low temperature environment comprises an outer machine body 1, wherein an air inlet channel 2 is arranged at the side part of the outer machine body 1, an air outlet channel 3 is arranged at the top, a mesh plate 4 and an air duct 5 are sequentially fixed on the air inlet channel 2 from outside to inside, the inner cavities of the mesh plate 4 and the air duct 5 are communicated, a heating component 6 is arranged in the inner cavity of the mesh plate 4, and a flow guiding mechanism is arranged in the air duct 5.

The air guide mechanism comprises a transmission shaft 7 arranged at the center of the air guide cylinder 5, the transmission shaft 7 is arranged on the air guide cylinder 5 through a mounting bracket 8, the transmission shaft 7 is arranged on the mounting bracket 8 through a bearing, the transmission shaft 7 is connected with the mounting bracket in a relative rotation manner, a second air guide fan blade 9 is fixed at the inner end of the transmission shaft 7, and the transmission shaft 7 is driven through a second driving assembly 10.

The outer end of the transmission shaft 7 is fixed with a flow guide block 11.

The flow guide block 11 is conical with small outside and large inside.

The second driving assembly 10 comprises a driving motor 101 and a transmission assembly 102 connected with the driving motor 101 and the transmission shaft 7.

The air guide mechanism also comprises at least two first air guide blades 12 fixed on the inner wall of the air guide cylinder 5, and the first air guide blades 12 are driven by a first driving component 13.

The first air guide blades 12 are obliquely arranged on the inner wall of the air guide cylinder 5, and the first air guide blades 12 are circumferentially and uniformly distributed in the inner cavity of the air guide cylinder 5.

The inner cavity of the air duct 5 is provided with a temperature sensor and a logic controller, the temperature sensor and the logic controller can be arranged at any position of the inner cavity of the air duct 5, and therefore are not shown in the drawing, and the temperature sensor, the first driving component 13, the second driving component 10 and the heating component 6 are all electrically connected with the logic controller.

The working principle of the utility model is as follows:

when the temperature sensor monitors that the temperature in the air duct 5 is lower than the set temperature, the logic controller controls the first driving component 13, the second driving component 10 and the heating component 6 to work, external air enters from the mesh plate 4 and becomes hot air after being heated by the heating component 6, the hot air is driven by the first air guide fan blades 12 and the second air guide fan blades 9 to flow inwards and rapidly according to the spiral direction, so that the inside of the air duct 1 is quickly deiced, and finally the hot air is discharged from the air outlet channel 3.

Finally, it should be noted that the above list is only specific embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.

Claims (8)

1. EVI heat pump device suitable for low temperature environment, a serial communication port, including outer quick-witted body (1), the lateral part of outer quick-witted body (1) is equipped with air inlet channel (2), and the top is equipped with air-out passageway (3), air inlet channel (2) on be fixed with mesh board (4) and air duct (5) by outside-in proper order, the inner chamber of mesh board (4) and air duct (5) is linked together, the inner chamber of mesh board (4) is equipped with heating element (6), air duct (5) in be equipped with guiding mechanism.

2. The EVI heat pump device suitable for the low-temperature environment according to claim 1, wherein the diversion mechanism comprises a transmission shaft (7) arranged in the center of the air duct (5), the transmission shaft (7) is arranged on the air duct (5) through a mounting bracket (8), a second air guide fan blade (9) is fixed at the inner end of the transmission shaft (7), and the transmission shaft (7) is driven through a second driving component (10).

3. An EVI heat pump device adapted for use in a low temperature environment according to claim 2, wherein the outer end of the drive shaft (7) is fixed with a deflector block (11).

4. An EVI heat pump device adapted for use in a low temperature environment according to claim 3, wherein the baffle (11) has a conical shape with a small outside and a large inside.

5. An EVI heat pump device adapted for use in a low temperature environment according to claim 2, wherein the second drive assembly (10) comprises a drive motor (101) and a transmission assembly (102) coupling the drive motor (101) and the transmission shaft (7).

6. The EVI heat pump apparatus as claimed in claim 5, wherein the guiding mechanism further comprises at least two first air guiding blades (12) fixed on the inner wall of the air guiding tube (5), and the first air guiding blades (12) are driven by the first driving assembly (13).

7. The EVI heat pump device suitable for low-temperature environment according to claim 6, wherein the first air guiding blades (12) are obliquely arranged on the inner wall of the air guiding barrel (5), and the first air guiding blades (12) are circumferentially and uniformly distributed in the inner cavity of the air guiding barrel (5).

8. The EVI heat pump device suitable for low-temperature environment according to claim 7, wherein the inner cavity of the air duct (5) is provided with a temperature sensor and a logic controller, and the temperature sensor, the first driving component (13), the second driving component (10) and the heating component (6) are all electrically connected with the logic controller.