Anti-freezing heat pump unit

Abstract

The utility model discloses an anti-freezing heat pump unit which comprises a base plate and a heat exchanger installed on the base plate, a snow falling space used for falling of accumulated snow is arranged on the outer wall, corresponding to the heat exchanger, of the base plate, and the snow falling space is located outside the base plate or located inside the base plate. The anti-freezing heat pump unit is good in snow discharging effect, defrosting water can be rapidly discharged, the interior of the base plate is prevented from freezing, and the problem that an existing heat pump unit is prone to snow accumulation and freezing in a cold region is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pumps, in particular to an antifreeze heat pump unit. Background Art

[0002] In the prior art, when a heat pump unit is operated in cold regions such as the north, snow easily accumulates around the heat exchanger and defrosts and ice forms, causing the heat exchange effect of the unit to deteriorate or even fail to operate. Rainwater and defrost water on the fan side are very likely to freeze and accumulate ice in extremely cold weather, affecting the heat exchange of the heat exchanger and even interrupting the fan, which has certain limitations. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide an antifreeze heat pump unit which has good snow discharge effect, can quickly discharge defrost water and avoid ice formation inside the chassis, and effectively solves the problem that the existing heat pump units are prone to snow accumulation and ice formation in cold areas.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] An antifreeze heat pump unit comprises a chassis and a heat exchanger mounted on the chassis, wherein a snow falling space for falling snow is provided on the chassis corresponding to the outer wall of the heat exchanger, and the snow falling space is located outside the chassis, or the snow falling space is located inside the chassis.

[0006] As a further improvement of the above technical solution:

[0007] When the snow falling space is located outside the chassis, the outer wall of the heat exchanger is arranged to fit in with or extend out of the periphery of the chassis.

[0008] When the snow falling space is located inside the chassis, a snow discharge groove is opened in the chassis, and the outer wall of the heat exchanger is arranged in contact with or extends out of the snow discharge groove.

[0009] The bottom of the chassis is provided with an outer plate, the outer plate is located outside the snow discharge groove, the distance between the snow discharge groove and the outer plate is T1, and 20mm≤T1≤60mm;

[0010] The outer plate is movably connected to the chassis to adjust the distance T1 between the snow chute and the outer plate.

[0011] A reinforcing plate is provided at the bottom of the chassis, and the reinforcing plate is located at the inner side of the snow discharge groove.

[0012] A protection plate for protecting the heat exchanger is installed on the chassis, and a plurality of grids are arranged on the protection plate.

[0013] A plurality of first drainage holes are arranged on the chassis corresponding to the lower part of the heat exchanger.

[0014] A fan is also installed on the chassis, and a plurality of groups of second drainage holes are provided on the chassis corresponding to the outside and directly below the fan;

[0015] A compressor is also installed on the chassis, and a plurality of groups of third drainage holes are arranged on the chassis corresponding to the outer side of the compressor.

[0016] A water baffle is provided on the chassis corresponding to the inner side of the heat exchanger, and the distance between the water baffle and the heat exchanger is T2, and 10mm≤T2≤15mm;

[0017] An electric heating component is installed between the water baffle and the heat exchanger. An electric heating groove is formed between the water baffle and the heat exchanger. A plurality of groups of electric heating installation holes are provided in the electric heating groove. The electric heating component is assembled in the electric heating groove through the electric heating installation holes.

[0018] A middle partition is provided on the chassis at the end corresponding to the heat exchanger, and the middle partition is sealed with the water baffle. The heat exchanger and the fan are located on one side of the middle partition, and the compressor is located on the other side of the middle partition.

[0019] Compared with the prior art, the advantages of the utility model are:

[0020] The antifreeze heat pump unit of the utility model is provided with a snow falling space for snow to fall on the outer wall of the chassis corresponding to the heat exchanger, so that all snow flakes that fall into the unit can fall from the snow falling space, thereby avoiding snow accumulation on the chassis and achieving good snow discharge effect. In addition, the chassis is provided with a first drainage hole corresponding to the heat exchanger, a second drainage hole corresponding to the fan, and a third drainage hole corresponding to the compressor, which can effectively and quickly discharge defrost water and rainwater to avoid ice formation inside the chassis, effectively solving the technical problem that the existing heat pump units are prone to snow accumulation and ice formation in cold areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the first embodiment of the antifreeze heat pump unit.

[0022] Figure 2 This is a schematic structural diagram of the first embodiment of the antifreeze heat pump unit from another angle.

[0023] Figure 3 This is a schematic diagram of the structure of the first embodiment of the antifreeze heat pump unit from a top view.

[0024] Figure 4 for Figure 3 Enlarged view of detail A.

[0025] Figure 5This is a schematic diagram of the structure of the chassis of the first embodiment.

[0026] Figure 6 It is a schematic diagram of the principle of the first embodiment of the antifreeze heat pump unit.

[0027] Figure 7 This is a schematic diagram of the principle of the second embodiment of the antifreeze heat pump unit.

[0028] Legend:

[0029] S, snow falling space; 1, chassis; 101, snow trough; 102, outer plate; 103, reinforcement plate; 104, first drainage hole; 105, second drainage hole; 106, third drainage hole; 107, water retaining plate; 108, electric heating trough; 109, electric heating installation hole; 2, heat exchanger; 3, fan; 4, compressor; 5, electric heating assembly; 6, middle partition; 7, protective plate; 701, grid. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] Embodiment 1

[0032] like Figures 1 to 6 As shown, the antifreeze heat pump unit of this embodiment includes a chassis 1 and a heat exchanger 2 installed on the chassis 1. A snow falling space S for falling snow is provided on the chassis 1 corresponding to the outer wall of the heat exchanger 2. The snow falling space S is located inside the chassis 1.

[0033] Preferably, when the snow falling space S is located inside the chassis 1, a snow discharge trough 101 is opened in the chassis 1, and the outer wall of the heat exchanger 2 is arranged to fit in or extend out of the snow discharge trough 101, so that all the snow flakes falling into the unit can fall from the snow discharge trough 101, avoiding snow accumulation in the chassis 1 and achieving a good snow discharge effect.

[0034] Preferably, an outer plate 102 is provided at the bottom of the chassis 1, and the outer plate 102 is located on the outside of the snow discharge trough 101. The distance between the snow discharge trough 101 and the outer plate 102 is T1, and 20mm≤T1≤60mm, so as to ensure that the snow discharge space S has sufficient size for snow discharge, and at the same time can effectively avoid the chassis 1 and the unit from being too large in size.

[0035] Preferably, the outer plate 102 is movably connected to the chassis 1 to adjust the distance T1 between the snow trough 101 and the outer plate 102, that is, the size T1 of the snow trough 101 is adjustable, so that the user can adjust the optimal snow discharge space according to local climate conditions and installation space.

[0036] Preferably, a reinforcing plate 103 is provided at the bottom of the chassis 1 , and the reinforcing plate 103 is located on the inner side of the snow discharge chute 101 to enhance the structural strength of the chassis 1 and ensure the supporting effect of the chassis 1 on the heat exchanger 2 .

[0037] Preferably, a protective plate 7 for protecting the heat exchanger 2 is installed on the chassis 1, and a plurality of grids 701 are provided on the protective plate 7. The protective plate 7 can provide collision protection for the heat exchanger 2, and the grids 701 on the protective plate 7 can reduce the windshield area of ​​the heat exchanger 2.

[0038] Preferably, a plurality of first drainage holes 104 are provided on the chassis 1 corresponding to the area directly below the heat exchanger 2, so that the defrost water can be drained away in time when the unit is defrosted at a low temperature, thereby preventing the defrost water from freezing again.

[0039] Preferably, a fan 3 is also installed on the chassis 1, and a plurality of groups of second drainage holes 105 are provided on the chassis 1 corresponding to the outside of and directly below the fan 3, so that the moisture entering the unit from the side of the fan 3 can be discharged from the unit in time to avoid ice on the side of the fan 3.

[0040] Preferably, a compressor 4 is also installed on the chassis 1, and a plurality of third drainage holes 106 are provided on the chassis 1 corresponding to the outer side of the compressor 4, so that the moisture entering the unit from the compressor 4 side and the condensed water in the piping can be discharged from the unit in time to prevent the moisture from freezing on the chassis 1 and affecting the operation of the unit.

[0041] Preferably, a water baffle 107 is provided on the chassis 1 corresponding to the inner side of the heat exchanger 2, and the distance between the water baffle 107 and the heat exchanger 2 is T2, and 10mm≤T2≤15mm, to prevent moisture from entering the unit from the side of the fan 3 and entering the heat exchanger 2 area and freezing when the second drainage hole 105 does not drain smoothly. At the same time, a distance T2 is provided between the water baffle 107 and the heat exchanger 2, which can prevent the heat exchanger 2 from affecting the assembly of the unit when the size deviation occurs.

[0042] Preferably, an electric heating component 5 is installed between the water baffle 107 and the heat exchanger 2, and an electric heating groove 108 is formed between the water baffle 107 and the heat exchanger 2. A plurality of groups of electric heating installation holes 109 are provided in the electric heating groove 108. The electric heating component 5 is assembled in the electric heating groove 108 through the electric heating installation holes 109, thereby further improving the defrosting, drainage and anti-icing capabilities of the unit.

[0043] Preferably, a middle partition 6 is provided on the chassis 1 at the end corresponding to the heat exchanger 2, and the middle partition 6 is sealed with the water baffle 107. The heat exchanger 2 and the fan 3 are located on one side of the middle partition 6, and the compressor 4 is located on the other side of the middle partition 6, so as to further enhance the waterproof ability of the water baffle 107 and prevent moisture from entering the heat exchanger 2 area from the end of the water baffle 107.

[0044] Embodiment 2

[0045] like Figure 7 As shown, the structure of the antifreeze heat pump unit provided in this embodiment is basically the same as that of the first embodiment, with the difference that the snow falling space S is located outside the chassis 1, the outer wall of the heat exchanger 2 is arranged to be attached to or extend out of the periphery of the chassis 1, and the snow discharge space S is outside the unit.

[0046] It should be noted that when the snow falling space S is located outside the chassis 1 , the outer wall of the heat exchanger 2 is arranged to fit in or extend out of the periphery of the chassis 1 , and there is no need to set structures such as the snow discharge trough 101 , the outer plate 102 , and the reinforcing plate 103 on the chassis 1 .

[0047] During actual application, the antifreeze heat pump unit is provided with a snow-falling space S for snow to fall on the outer wall of the chassis 1 corresponding to the heat exchanger 2, so that all snow flakes that fall into the unit can fall from the snow-falling space S, thereby avoiding snow accumulation on the chassis 1 and achieving good snow discharge effect. In addition, the chassis 1 is provided with a first drainage hole 104 corresponding to the heat exchanger 2, a second drainage hole 105 corresponding to the fan 3, and a third drainage hole 106 corresponding to the compressor 4, which can effectively and quickly discharge defrost water and rainwater to avoid ice formation inside the chassis 1, thereby effectively solving the technical problem that existing heat pump units are prone to snow accumulation and ice formation in cold areas.

[0048] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, improvements and changes obtained without departing from the technical concept of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. An antifreeze heat pump unit, comprising a chassis (1) and a heat exchanger (2) mounted on the chassis (1), characterized in that: A snow-falling space for falling snow is provided on the chassis (1) corresponding to the outer wall of the heat exchanger (2), and the snow-falling space is located outside the chassis (1), or the snow-falling space is located inside the chassis (1); A plurality of groups of first drainage holes (104) are provided on the chassis (1) directly below the heat exchanger (2); A fan (3) is also installed on the chassis (1), and a plurality of groups of second drainage holes (105) are provided on the chassis (1) corresponding to the outside of and directly below the fan (3); A compressor (4) is also installed on the chassis (1), and a plurality of groups of third drainage holes (106) are provided on the chassis (1) corresponding to the outer side of the compressor (4).

2. The antifreeze heat pump unit according to claim 1, characterized in that: When the snow falling space is located outside the chassis (1), the outer wall of the heat exchanger (2) is arranged to fit in with or extend out of the outer periphery of the chassis (1).

3. The antifreeze heat pump unit according to claim 1, characterized in that: When the snow falling space is located inside the chassis (1), a snow discharge groove (101) is provided inside the chassis (1), and the outer wall of the heat exchanger (2) is arranged to fit in or extend out of the snow discharge groove (101).

4. The antifreeze heat pump unit according to claim 3, characterized in that: The bottom of the chassis (1) is provided with an outer plate (102), the outer plate (102) is located outside the snow discharge groove (101), the distance between the snow discharge groove (101) and the outer plate (102) is T1, and 20 mm ≤ T1 ≤ 60 mm; The outer plate (102) is movably connected to the chassis (1) to adjust the distance T1 between the snow discharge trough (101) and the outer plate (102).

5. The antifreeze heat pump unit according to claim 4, characterized in that: A reinforcing plate (103) is provided at the bottom of the chassis (1), and the reinforcing plate (103) is located on the inner side of the snow discharge groove (101).

6. The antifreeze heat pump unit according to claim 5, characterized in that: A protective plate (7) for protecting the heat exchanger (2) is installed on the chassis (1), and a plurality of groups of grids (701) are provided on the protective plate (7).

7. The antifreeze heat pump unit according to claim 1, characterized in that: A water retaining plate (107) is provided on the inner side of the chassis (1) corresponding to the heat exchanger (2), and the distance between the water retaining plate (107) and the heat exchanger (2) is T2, and 10 mm ≤ T2 ≤ 15 mm; An electric heating component (5) is installed between the water baffle plate (107) and the heat exchanger (2), an electric heating groove (108) is formed between the water baffle plate (107) and the heat exchanger (2), a plurality of groups of electric heating installation holes (109) are provided in the electric heating groove (108), and the electric heating component (5) is assembled in the electric heating groove (108) through the electric heating installation holes (109).

8. The antifreeze heat pump unit according to claim 7, characterized in that: A middle partition (6) is provided on the chassis (1) at an end portion corresponding to the heat exchanger (2); the middle partition (6) is sealedly connected to the water baffle (107); the heat exchanger (2) and the fan (3) are located on one side of the middle partition (6); and the compressor (4) is located on the other side of the middle partition (6).

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