Air source heat pump unit convenient for water collection and drainage

Abstract

The utility model discloses an air source heat pump unit convenient for water collection and drainage, which is characterized in that a casing comprises a plurality of metal plates covering the periphery of a rack; a separation cover assembly is arranged in the middle of the rack; the machine shell is vertically divided into an air flowing cavity and a containing arrangement cavity through the separation cover assembly. The evaporator is a plate-shaped assembly and is erected on the rack, and the lower end of the evaporator inclines towards the inner side of the air flowing cavity. The exhaust fan is arranged above the air flowing cavity; the separation cover assembly is provided with a flow guide plate, and the flow guide plate inclines and extends to the side of the containing arrangement cavity. And the evaporator is erected above the flow guide plate. According to the utility model, most condensate water formed by the plate-shaped evaporator obliquely arranged above the flow guide plate directly drips onto the flow guide plate and flows out towards the shell on the side of the accommodating and arranging cavity, so that the problem that water drops are attached to fins of the evaporator to form frosting and freezing is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field, especially convenient air source heat pump unit of water collection and drainage. BACKGROUND

[0002] Air source heat pump unit is a kind of equipment that air energy is converted into heat energy, can not directly utilize low-temperature heat energy, it is converted into the high-level heat energy that can be utilized, realize reaches the purpose of saving part high-level energy.For example patent number CN209263412U discloses a kind of air source heat pump.

[0003] This kind of vertical air source heat pump unit, evaporator coil is usually arranged in the longitudinal ring on the outer periphery of the shell, circulating waterway, compressor and other heating system are arranged inside evaporator coil;Air fan is arranged above the shell, and the air outside is circulated and sucked and discharged and passes through evaporator coil, to utilize low-temperature heat energy by evaporator coil.But, this kind of vertical air source heat pump unit has the following defects:

[0004] When evaporator coil operates, because the temperature of coil surface is lower than the condensation temperature of water under the condition, the moisture in air will condense into condensed water on evaporator surface, the condensed water drops vertically, in turn passes through multiple evaporator tubes, water droplets are attached to evaporator fins, frost and ice are formed, hinder heat exchange, reduce efficiency;It is also easy to enter the inside of shell, so as to affect internal components.Therefore, further improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at at least one of the technical problems existing in the prior art is solved.For this purpose, the utility model provides a kind of air source heat pump unit convenient for water collection and drainage.

[0006] The technical scheme for solving the technical problems of one embodiment of the utility model is as follows: a kind of air source heat pump unit convenient for water collection and drainage, comprising: rack, shell, evaporator and air exhaust fan;

[0007] The shell includes several metal plates, cover is arranged on the outer periphery of the rack;The middle part of the rack is provided with a partition cover assembly;The partition cover assembly divides the shell into air flow cavity and receiving arrangement cavity from top to bottom;The evaporator is a plate block assembly, is erected in the rack, and the lower end is inclinedly arranged to the inside of air flow cavity;The air exhaust fan is arranged above the air flow cavity;

[0008] The partition cover assembly is provided with a guide vane, and the guide vane is inclined and extended to the side of receiving arrangement cavity;The evaporator is erected above the guide vane.

[0009] Optionally, the partition cover assembly comprises two guide plates and a connecting plate formed by sheet metal folding or sheet metal stamping; the two guide plates are located on opposite sides of the connecting plate; and the evaporator is provided with two, which are located above the two guide plates.

[0010] Optionally, the lower end of the evaporator is located on the outside of the connecting plate.

[0011] Optionally, the partition cover assembly is provided with a guide groove; the guide groove is in a strip shape, extends along the bottom edge of the evaporator and is located below the bottom edge of the evaporator.

[0012] Optionally, the guide plate is provided with a plurality of drainage holes, which are located above the guide groove.

[0013] Optionally, the bottom of the guide groove is inclined.

[0014] The beneficial effects of the utility model are as follows: the partition cover assembly divides the shell into an air flow cavity and a containing arrangement cavity; the main components of the air source heat pump system are arranged in the containing arrangement cavity, the air flow cavity is only used for arranging the evaporator and the exhaust fan, and is used for forming circulating air flow to utilize low-position heat energy. The utility model separates the evaporator from the main components below by the partition cover assembly, the condensed water formed on the evaporator cannot enter the containing arrangement cavity; and the partition cover assembly is provided with a guide plate, most of the condensed water formed by the plate-shaped evaporator arranged above the guide plate directly drips onto the guide plate and flows out to the shell on the side of the containing arrangement cavity, the phenomenon of vertically dropping the condensed water to the lower evaporator pipe is reduced, the phenomenon of accumulating on the evaporator is reduced, the problem of forming frost and ice by the water droplets adhering to the fins of the evaporator is effectively reduced, the phenomenon of hindering heat exchange is reduced, and the heat exchange efficiency of the unit is indirectly improved.

[0015] The corrosion influence on the evaporator is effectively reduced.

[0016] In order to make the above-mentioned purposes, characteristics and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken as examples, and the following detailed description is given in combination with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0018] Figure 1 It is a structural schematic view of the air source heat pump unit of the utility model;

[0019] Figure 2 It is Figure 1 It is a sectional view of the air source heat pump unit;

[0020] Figure 3 For Figure 1 Axon measurement sectional view of hollow air source heat pump unit;

[0021] Figure 4 For the structure diagram of the partition cover assembly of the utility model.

[0022] Main element symbol explanation:

[0023] 10, rack; 20, machine shell; 21, air flow cavity; 22, containing arrangement cavity; 30, evaporator; 40, exhaust fan; 50, partition cover assembly; 51, guide plate; 52, connecting plate; 53, guide groove; 54, drain hole. DETAILED DESCRIPTION

[0024] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as limiting the protection scope of the utility model.

[0025] In the description of the utility model, the meaning of multiple is two or more, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If there is a description of the first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the utility model, it is understood that the position description is involved, for example, the position or position relationship indicated by up, down, front, back, left, right, etc. is based on the position or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the device or element indicated must have a specific position, be constructed and operated in a specific position, so it cannot be understood as limiting the utility model.

[0027] In the utility model, unless otherwise explicitly limited, the words "set", "install", "connect" and the like should be understood broadly, for example, they can be directly connected, or indirectly connected through an intermediate medium; can be fixedly connected, or can be detachably connected, or can be integrally formed; can be mechanically connected; can be the internal communication of two elements or the interaction relationship of two elements. The skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0028] EMBODIMENT

[0029] Refer toFigures 1 to 4 The utility model provides a kind of air source heat pump unit facilitating water collection and drainage, comprising: rack 10, casing 20, evaporator 30 and exhaust fan 40;

[0030] Casing 20 includes several metal sheets, cover is arranged on the outer periphery of rack 10;The middle part of rack 10 is provided with a partition cover assembly 50;The partition cover assembly 50 separates the upper and lower casing 20 into air flow cavity 21 and receiving arrangement cavity 22;Evaporator 30 is a plate block assembly, is erected on rack 10, and the lower end is inclinedly arranged towards the inside of air flow cavity 21;Exhaust fan 40 is arranged above air flow cavity 21;

[0031] The partition cover assembly 50 is provided with a flow guide plate 51, which is inclined and extends to the side of the receiving arrangement cavity 22;Evaporator 30 is erected above the flow guide plate 51.

[0032] In the utility model, the partition cover assembly 50 separates the upper and lower casing 20 into air flow cavity 21 and receiving arrangement cavity 22;The main components of the air source heat pump system are arranged in the receiving arrangement cavity 22, and the air flow cavity 21 is only used to arrange the evaporator 30 and the exhaust fan 40, to form a circulating air flow to utilize low-level heat energy. The utility model separates the evaporator 30 from the main components below by the partition cover assembly 50, so that the condensate water formed on the evaporator 30 cannot enter the receiving arrangement cavity 22;Moreover, the partition cover assembly 50 is provided with a flow guide plate 51, and most of the condensate water formed by the plate block evaporator 30 inclinedly arranged above the flow guide plate 51 will directly drip onto the flow guide plate 51 and flow out to the casing 20 on the side of the receiving arrangement cavity 22, which reduces the phenomenon of vertical dripping of condensate water to the lower evaporator 30 pipe and the accumulation of condensate water on the evaporator 30, effectively reduces the problem of condensate water adhering to the fins of the evaporator 30 and forming frost and ice, thereby reducing the phenomenon of hindering heat exchange and indirectly improving the heat exchange efficiency of the unit.

[0033] Specifically, the partition cover assembly 50 includes two flow guide plates 51 and a connecting plate 52 which are integrally formed by sheet metal folding or sheet metal stamping;The two flow guide plates 51 are located on the opposite sides of the connecting plate 52;The evaporator 30 is provided with two, which are located above the two flow guide plates 51 respectively. The two evaporators 30 can utilize low-level heat energy for heat exchange on both sides of the air flow cavity 21, which improves the working coverage area of the evaporator 30.

[0034] Further, the lower end of the evaporator 30 abuts against the flow guide plate 51, and the lower end of the evaporator 30 is located outside the connecting plate 52. When the condensate water drips or flows out from below the evaporator 30, it directly flows out along the flow guide plate 51, without accumulating above the connecting plate 52.

[0035] In the embodiment, the partition cover assembly 50 is provided with a flow guide groove 53; the flow guide groove 53 is in a strip shape, extends along the bottom edge of the evaporator 30 and is located below the bottom edge of the evaporator 30. The flow guide groove 53 can collect and discharge the condensed water accumulated below the evaporator 30 in time.

[0036] Specifically, the flow guide plate 51 is provided with a plurality of drainage holes 54, and the drainage holes 54 are located above the flow guide groove 53.

[0037] Further, in order to facilitate the condensed water to flow to the outlet of the flow guide groove 53 and be discharged, the groove bottom of the flow guide groove 53 is inclined.

[0038] Of course, the utility model is not limited to the above-mentioned embodiment, and those skilled in the art can make equivalent transformation or replacement without departing from the spirit of the utility model, and these equivalent transformations and replacements are all included in the range defined by the claims of the present application.

Claims

1. An air-source heat pump unit that facilitates water collection and drainage, characterized in that, include: The frame (10), housing (20), evaporator (30) and exhaust fan (40); The housing (20) includes several metal plates covering the outer periphery of the frame (10); a partition hood assembly (50) is provided in the middle of the frame (10); the partition hood assembly (50) divides the housing (20) into an air flow cavity (21) and a receiving arrangement cavity (22); the evaporator (30) is a plate-shaped assembly mounted on the frame (10), with its lower end inclined toward the inside of the air flow cavity (21); the exhaust fan (40) is located above the air flow cavity (21); The partition hood assembly (50) is provided with a guide plate (51) that is inclined and extends to the side of the receiving arrangement cavity (22); the evaporator (30) is mounted above the guide plate (51).

2. The air-source heat pump unit for easy water collection and drainage according to claim 1, characterized in that: The partition hood assembly (50) includes two guide plates (51) formed by sheet metal folding or sheet metal stamping and a connecting plate (52); the two guide plates (51) are located on opposite sides of the connecting plate (52); the evaporator (30) is provided in two, respectively located above the two guide plates (51).

3. The air-source heat pump unit for easy water collection and drainage according to claim 2, characterized in that: The lower end of the evaporator (30) abuts against the guide plate (51), and the lower end of the evaporator (30) is located outside the connecting plate (52).

4. The air-source heat pump unit for easy water collection and drainage according to claim 1, characterized in that: The partition hood assembly (50) is provided with a flow guide groove (53); the flow guide groove (53) is elongated and extends along the bottom edge of the evaporator (30) and is located below the bottom edge of the evaporator (30).

5. The air-source heat pump unit for easy water collection and drainage according to claim 4, characterized in that: The guide plate (51) has a plurality of drainage holes (54), which are located above the guide groove (53).

6. The air-source heat pump unit with convenient water collection and drainage according to claim 4, characterized in that: The bottom of the guide channel (53) is inclined.

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