CN219735796U - Heat pump drying equipment - Google Patents

Abstract

The utility model discloses a heat pump drying device, comprising: the air conditioner comprises a frame, a compressor, a filter screen assembly, a first fin heat exchanger, an electric auxiliary heat assembly and a circulating fan, wherein the compressor is arranged in the frame, a middle partition plate is arranged in the frame, the middle partition plate divides the frame into an air inlet cavity and an air outlet cavity, a heat exchange cavity for the first fin heat exchanger is formed in the middle partition plate, the electric auxiliary heat assembly is arranged on the air outlet side of the first fin heat exchanger, and the circulating fan is arranged in the air outlet cavity and is positioned below the first air outlet; the inside both sides of frame are provided with the stand, two the stand set up respectively in the end plate both sides of first fin heat exchanger, the end plate towards the air-out side direction is provided with first hem, be provided with on the stand with the sealed second hem of first hem cooperation butt. The utility model improves the tightness of the unit and improves the heat exchange efficiency of the unit.

Description

Heat pump drying equipment

Technical Field

The utility model relates to the technical field of heat pump units, in particular to heat pump drying equipment.

Background

In heat pump drying equipment, when a conventional fin heat exchanger is placed in a unit, space between two sides of the fin heat exchanger and an upright post of a unit frame is required to be sealed by using left and right sealing plates, so that air is subjected to heat exchange through the fin heat exchanger. Due to the adoption of the sealing structure, sheet metal parts are required to be added, an assembly process is added, working hours and structural cost can be increased during mass production, and due to the fact that one more connecting structure is arranged between the fin heat exchanger and the frame upright post, one more air leakage gap is formed in the unit.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the heat pump drying equipment can solve the problems in the prior art, improves the tightness of the unit and improves the heat exchange efficiency of the unit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in one aspect, there is provided a heat pump drying apparatus, including: the air conditioner comprises a frame, a compressor, a filter screen assembly, a first fin heat exchanger, an electric auxiliary heat assembly and a circulating fan, wherein the compressor is arranged in the frame, an air inlet and a first air outlet are formed in the top of the frame, the filter screen assembly is arranged below the air inlet and positioned in the frame, a middle partition plate is arranged in the frame, the frame is divided into an air inlet cavity and an air outlet cavity by the middle partition plate, a heat exchange cavity for the first fin heat exchanger is formed in the middle partition plate, the air inlet side of the first fin heat exchanger is positioned in the air inlet cavity, the air outlet side of the first fin heat exchanger is positioned in the air outlet cavity, the electric auxiliary heat assembly is arranged on the air outlet side of the first fin heat exchanger, and the circulating fan is arranged in the air outlet cavity and positioned below the first air outlet; the inside both sides of frame are provided with the stand, two the stand set up respectively in the end plate both sides of first fin heat exchanger, the end plate towards the air-out side direction is provided with first hem, be provided with on the stand with the sealed second hem of first hem cooperation butt.

Optionally, the folding device further comprises a locking piece, and locking holes matched with the locking piece for locking are formed in the first folding edge and the second folding edge.

Optionally, a sealing ring is arranged at the connection position of the first folding edge and the second folding edge.

Optionally, the upright post includes a main plate parallel to an inner wall surface of the frame, and a sub-plate extending from the main plate toward the first fin heat exchanger, and the second flange extends from an end of the sub-plate toward the air outlet side.

Optionally, the second flange is provided with a limiting part for limiting the first flange in a protruding manner relative to the first fin heat exchanger.

Optionally, an inner partition plate is further arranged in the frame, and divides the inner space of the frame into two relatively independent first working intervals and second working intervals.

Optionally, the compressor is installed in the second working space, the middle partition plate is arranged in the first working space and divides the first working space into the air inlet cavity and the air outlet cavity, and the compressor is connected with the first fin heat exchanger through a pipeline.

Optionally, a second fin heat exchanger is obliquely arranged above the compressor, an air inlet is formed below the second fin heat exchanger, a second air outlet is formed above the second fin heat exchanger, and an exhaust fan is further arranged at the second air outlet.

Optionally, the first fin heat exchanger is vertically installed in the frame, and from the end plate of the first fin heat exchanger towards the air inlet side extends perpendicularly to form a mounting plate, a distributor is vertically installed on the mounting plate, and the distributor is connected with the first fin heat exchanger through a plurality of liquid distribution pipes.

Optionally, the screen assembly is removably mounted to the interior of the frame.

The beneficial effects of the utility model are as follows: the first folded edge is added on the end plate of the first fin heat exchanger, the second folded edge is added on the upright post, the first folded edge and the second folded edge can be abutted in a fitting way so as to be sealed, the upright post can play a role in strengthening structural strength, and can serve as a sealing plate for use, so that one connecting gap is reduced, the sealing performance is improved, the risk of air leakage is reduced, and the fact that all air entering the frame through the air inlet can exchange heat through the first fin heat exchanger is guaranteed, and further the heat exchange efficiency is guaranteed to be maximized; in addition, the upright posts are adopted to directly replace the sealing plates, so that the structural cost is reduced, the installation procedure is reduced, and the cost of the whole machine is reduced.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic diagram of an internal structure of a heat pump drying apparatus according to an embodiment of the present utility model;

FIG. 2 is a front view showing a connection state of a first fin heat exchanger and a column according to an embodiment of the present utility model;

FIG. 3 is a perspective view showing a connection state of a first fin heat exchanger and a column according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a first fin heat exchanger according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a column according to an embodiment of the present utility model.

In the figure: 110. a second working interval; 120. a first working interval; 1. a frame; 2. a screen assembly; 3. a column; 4. an air inlet; 5. a first hem; 6. an air inlet; 7. a compressor; 8. a second fin heat exchanger; 9. a second air outlet; 10. an exhaust fan; 11. a first fin heat exchanger; 12. an electric auxiliary heating assembly; 13. a circulating fan; 14. a first air outlet; 15. a locking hole; 16. a main board; 17. a sub-plate; 18. a locking member; 19. and a second flanging.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Embodiment one: a heat pump drying device.

As shown in fig. 2 to 5, the heat pump drying apparatus according to the present embodiment includes: the air conditioner comprises a frame 1, wherein an inner partition plate is arranged in the frame 1, the inner space of the frame 1 is divided into a first working space 120 and a second working space 110 which are relatively independent, the first working space 120 comprises an air inlet 4, a filter screen assembly 2, a first fin heat exchanger 11, an electric auxiliary heat assembly 12, a circulating fan 13 and a first air outlet 14, a middle partition plate is also arranged in the frame 1, and the middle partition plate is arranged in the first working space 120 and divides the first working space 120 into an air inlet cavity and an air outlet cavity;

the air inlet 4 and the first air outlet 14 are arranged on the top of the frame 1 in parallel, the filter screen component 2 is arranged below the air inlet 4 and positioned in the frame 1, a heat exchange cavity for the first fin heat exchanger 11 is formed in the middle partition plate, the air inlet side of the first fin heat exchanger 11 is positioned in the air inlet cavity, the air outlet side of the first fin heat exchanger 11 is positioned in the air outlet cavity, the electric auxiliary heating component 12 is arranged on the air outlet side of the first fin heat exchanger 11, and the circulating fan 13 is arranged in the air outlet cavity and positioned below the first air outlet 14; the inside both sides of frame 1 are provided with stand 3, two stand 3 set up respectively in the end plate both sides of first fin heat exchanger 11, the end plate towards the air-out side direction is provided with first hem 5, be provided with on the stand 3 with the sealed second hem 19 of first hem 5 cooperation butt.

Based on the above scheme, through adding the first folding edge 5 on the end plate of the first fin heat exchanger 11 and adding the second folding edge 19 on the upright post 3, the first folding edge 5 and the second folding edge 19 can be attached and abutted so as to be sealed, the upright post 3 can play a role in reinforcing structural strength and can serve as a sealing plate for use, so that a connecting gap is reduced, the sealing performance is improved, the risk of air leakage is reduced, and the fact that all air entering the frame 1 through the air inlet 4 can exchange heat through the first fin heat exchanger 11 is ensured, so that the heat exchange efficiency is ensured to be maximized; in addition, the upright posts 3 are adopted to directly replace the sealing plates, so that the structural cost is reduced, the installation procedure is reduced, and the cost of the whole machine is reduced.

Further, the folding device further comprises a locking piece 18, and the first folding edge 5 and the second folding edge 19 are provided with locking holes 15 which are matched with the locking piece 18 for locking. The first folded edge 5 and the second folded edge 19 are locked by sequentially penetrating through the two locking holes 15 through the locking piece 18, so that the sealing connection of the first fin heat exchanger 11 and the upright post 3 is completed, the convenience in installation and disassembly can be ensured by the locking mode of the locking piece 18, and the stability is strong.

In order to further improve the sealing performance of the first folded edge 5 and the second folded edge 19 after locking, a sealing ring is arranged at the connecting position of the first folded edge 5 and the second folded edge 19.

Alternatively, the pillar 3 includes a main plate 16 parallel to the inner wall surface of the frame 1, and a sub-plate 17 extending from the main plate 16 toward the first fin heat exchanger 11, and the second flange 19 extends from the end of the sub-plate 17 toward the air outlet side. The design of the structure of the upright post 3 enables a certain clearance space to exist between the upright post 3 and the first fin heat exchanger 11, so that pipelines and other components can be arranged in the space, and the internal space of the unit is fully utilized.

Preferably, the second flange 19 is provided with a limiting portion protruding in a direction opposite to the first fin heat exchanger 11 for limiting the first flange 5. The limiting part arranged on the second folded edge 19 is used for limiting the installation position of the first fin heat exchanger 11, so that the first fin heat exchanger 11 can be more accurately installed, after limiting through the limiting part, the first folded edge 5 and the second folded edge 19 can be better aligned, and the locking action through the locking piece 18 can be simpler and faster, so that the assembly efficiency of the unit can be effectively improved.

It should be noted that the locking member 18 may be a screw, the corresponding locking hole 15 may be a screw hole, and the locking member 18 may be a fastener such as a bolt.

In some embodiments, the second working space 110 includes an air inlet 6, a second fin heat exchanger 8, a second air outlet 9, and an exhaust fan 10, the compressor 7 is installed in the second working space 110 of the frame 1, the second fin heat exchanger 8 is obliquely arranged above the compressor 7, the air inlet 6 is disposed below the second fin heat exchanger 8, the second air outlet 9 is disposed above the second fin heat exchanger 8, and the exhaust fan 10 is installed at the second air outlet 9.

The heat pump dryer is divided into two air chambers, and the air inlet 4 and the first air outlet 14 of the first working area 120 are connected to a drying room in use. The air inlet 6 and the second air outlet 9 of the second working space 110 are communicated with the environment, when the unit is started, the air sucked into the environment by the air inlet 6 of the second working space 110 is discharged by the exhaust fan 10 after being subjected to heat exchange by the second fin heat exchanger 8, and the air sucked into the drying room by the air inlet 4 of the first working space 120 is subjected to heat exchange by the first fin heat exchanger 11 after passing through the filter screen assembly 2 and then is sent to the drying room by the circulating fan 13 to form circulation.

Referring to fig. 1, the compressor 7 is fixed on a unit base of the second working space 110, the second fin heat exchanger 8 is obliquely arranged above the compressor 7, and the air outlet surface is provided with metal plates which are fixed on the left side and the right side, so that air of the air inlet 6 completely flows through the second fin heat exchanger 8, and the exhaust fan 10 is fixed on the second fin heat exchanger 8 at a top cover of the second working space 110. The air inlet and outlet of the first working interval 120 is connected to the top cover of the frame 1 through an air inlet flange, a mounting frame is connected below the top cover of the air inlet 4, the first fin heat exchanger 11 is fixed at the middle position of the unit base of the first working interval 120, the upright posts 3 are arranged on the left side and the right side, so that treated air can only pass through the first fin heat exchanger 11, an electric auxiliary heating assembly 12 is fixed on the air outlet surface of the first fin heat exchanger 11, a circulating fan 13 is arranged above the electric auxiliary heating assembly 12, and the circulating fan 13 is fixed on the upright posts 3 on two sides and a middle partition plate above the first fin heat exchanger 11.

When the drying room needs to be warmed, the compressor 7 is started, at the moment, the first fin heat exchanger 11 of the first working area 120 is used as a condenser, the second fin heat exchanger 8 of the second working area 110 is used as an evaporator, the exhaust fan 10 of the second working area 110 absorbs heat from the air in the environment to the second fin heat exchanger 8 and then discharges the heat, and the heat is supplied to the first fin heat exchanger 11. Air in the drying room is sucked to the air inlet 4 through the circulating fan 13 in the first working area 120, flows into the first fin heat exchanger 11 through the filter screen assembly 2 to release heat, and is sent to the first air outlet 14 to the drying room by the circulating fan 13;

when the drying room needs to be cooled, the compressor 7 is started, at the moment, the first fin heat exchanger 11 of the first working area 120 is used as an evaporator, the second fin heat exchanger 8 of the second working area 110 is used as a condenser, the exhaust fan 10 of the second working area 110 supplies air in the environment to the second fin heat exchanger 8 to release heat and then discharge the heat, and the cold energy is supplied to the first fin heat exchanger 11. The air in the drying room is sucked to the air inlet 4 through the circulating fan 13 in the first working area 120, flows into the first fin heat exchanger 11 through the filter screen assembly 2 to absorb heat and cool, and is sent to the first air outlet 14 to the drying room by the circulating fan 13;

when the drying room needs dehumidification, the compressor 7 is started, at the moment, the first fin heat exchanger 11 of the first working area 120 is used as an evaporator, the second fin heat exchanger 8 of the second working area 110 is used as a condenser, the exhaust fan 10 of the second working area 110 supplies air in the environment to the second fin heat exchanger 8 to release heat and then discharge the heat, and the cold energy is supplied to the first fin heat exchanger 11. The air sucked into the drying room by the circulating fan 13 in the first working area 120 flows into the first fin heat exchanger 11 through the filter screen assembly 2 to absorb heat and dehumidify, and is sent to the first air outlet 14 to the drying room by the circulating fan 13 after being heated by the electric auxiliary heat assembly 12.

Optionally, the first fin heat exchanger 11 is vertically installed in the frame 1, a mounting plate is formed by extending from an end plate of the first fin heat exchanger 11 towards the air inlet side vertically, a distributor is vertically installed on the mounting plate, and the distributor is connected with the first fin heat exchanger 11 through a plurality of liquid distribution pipes. The distributor is always vertically arranged relative to the ground, so that the consistency of the flow of the liquid entering the first fin heat exchanger 11 through the distributor can be ensured, and the heat exchange balance of the first fin heat exchanger 11 is ensured.

It should be noted that, for the convenience of maintenance or replacement of the filter screen assembly 2, the filter screen assembly 2 is detachably mounted inside the frame 1.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. A heat pump drying apparatus, comprising: the air conditioner comprises a frame (1), a compressor (7), a filter screen assembly (2), a first fin heat exchanger (11), an electric auxiliary heat assembly (12) and a circulating fan (13), wherein the compressor (7) is installed in the frame (1), an air inlet (4) and a first air outlet (14) are formed in the top of the frame (1), the filter screen assembly (2) is installed below the air inlet (4) and is located in the frame (1), a middle partition plate is arranged in the frame (1), the middle partition plate divides the frame (1) into an air inlet cavity and an air outlet cavity, a heat exchange cavity for the first fin heat exchanger (11) is formed in the middle partition plate, the air inlet side of the first fin heat exchanger (11) is located in the air inlet cavity, the electric auxiliary heat assembly (12) is installed on the air outlet side of the first fin heat exchanger (11), and the circulating fan (13) is installed below the air outlet (14); the heat exchanger is characterized in that upright posts (3) are arranged on two sides of the inside of the frame (1), the two upright posts (3) are respectively arranged on two sides of an end plate of the first fin heat exchanger (11), a first folded edge (5) is arranged on the end plate towards the direction of the air outlet side, and a second folded edge (19) which is matched with the first folded edge (5) and is in butt joint sealing is arranged on the upright posts (3).

2. Heat pump drying apparatus according to claim 1, further comprising a locking member (18), wherein the first flange (5) and the second flange (19) are provided with locking holes (15) which are locked in cooperation with the locking member (18).

3. Heat pump drying apparatus according to claim 1 or 2, characterized in that the connection location of the first flange (5) and the second flange (19) is provided with a sealing ring.

4. Heat pump drying apparatus according to claim 1 or 2, wherein the upright (3) includes a main plate (16) parallel to an inner wall surface of the frame (1), and a sub-plate (17) extending from the main plate (16) toward the first fin heat exchanger (11), the second flange (19) extending from an end of the sub-plate (17) toward the air outlet side.

5. Heat pump drying apparatus according to claim 1 or 2, wherein the second flange (19) is provided with a limiting portion protruding in a direction opposite to the first fin heat exchanger (11) for limiting the first flange (5).

6. Heat pump drying apparatus according to claim 1 or 2, characterized in that an inner partition is further provided in the frame (1), which inner partition divides the inner space of the frame (1) into two relatively independent first working areas (120) and second working areas (110).

7. The heat pump drying apparatus according to claim 6, wherein the compressor (7) is installed in the second working space (110), the middle partition is provided in the first working space (120) and divides the first working space (120) into the air inlet chamber and the air outlet chamber, and the compressor (7) is connected with the first fin heat exchanger (11) through a pipeline.

8. The heat pump drying equipment according to claim 6, characterized in that a second fin heat exchanger (8) is obliquely arranged above the compressor (7), an air inlet (6) is arranged below the second fin heat exchanger (8), a second air outlet (9) is arranged above the second fin heat exchanger (8), and an exhaust fan (10) is further arranged at the second air outlet (9).

9. Heat pump drying apparatus according to claim 1 or 2, characterized in that the first fin heat exchanger (11) is vertically installed in the frame (1), a mounting plate is formed extending vertically from an end plate of the first fin heat exchanger (11) toward the air intake side, a distributor is vertically installed on the mounting plate, and the distributor is connected with the first fin heat exchanger (11) through a plurality of liquid dividing pipes.

10. Heat pump drying apparatus according to claim 1 or 2, characterized in that the screen assembly (2) is detachably mounted inside the frame (1).