Air source heat pump capable of preventing condensed water from freezing at low temperature

Abstract

An air source heat pump capable of preventing condensate water from freezing at low temperature comprises a machine base, a heat exchanger, a water pan, a drainage connector pipe, an electric heating wire and a draught fan, the machine base comprises a device cavity and a heat exchange cavity, and the heat exchange cavity comprises a draught fan installation hole formed in the top, a front air inlet and a rear air inlet; the water pan comprises a regular triangle part arranged in the middle of the width direction and water collecting and draining grooves formed in the two sides of the regular triangle part, and the water collecting and draining grooves are high in the middle and low in the two ends. The water pan is arranged at the junction of the device cavity and the heat exchange cavity, the heat exchanger is perpendicular to the waist of the regular triangle part, the end sealing plates are fixed to the two sides of the heat exchanger, and the fan is arranged on the fan mounting hole; the electric heating wire is arranged in the water collecting and draining groove; the drainage connector pipe is fixed and communicated with the two ends of the water collection and drainage groove and extends out of the heat exchange cavity. Condensed water generated by the heat exchanger quickly enters the water collecting and draining tank, flows towards two ends after entering the water collecting and draining tank, and is quickly drained; and the electric heating wire is arranged, so that icing is effectively prevented, and drainage is not affected.

Description

Technical Field

[0001] The utility model relates to an air source heat pump. Background Art

[0002] The current prior art, Chinese patent 202410054162.7, an anti-icing water receiving pan assembly for an air-energy heat pump heating unit, the anti-icing water receiving pan assembly comprises: a shell, provided with an upper cavity, the middle part of the shell is fixedly connected with a water receiving pan assembly; a lower cavity, arranged in the lower middle part of the shell, the upper cavity is connected to the lower cavity through a copper tube; the water receiving pan assembly is provided with a first water receiving pan and a second water receiving pan. The second water receiving pan is a U-shaped structure, which is placed below the first water receiving pan. The second water receiving pan is provided with a plurality of drain joints to discharge condensed water, and heating modules are arranged around the second water receiving pan. The problem is that the condensed water cannot be quickly concentrated. Utility Model Content

[0003] The utility model aims to provide an air source heat pump capable of preventing condensed water from freezing at low temperature, which has the characteristics of rapid drainage and anti-freezing.

[0004] The utility model is realized as follows: an air source heat pump for preventing condensed water from freezing at low temperature, characterized in that it comprises a base, a heat exchanger, a water receiving tray, a drainage interface pipe, an electric heating wire and a fan,

[0005] The machine base includes a device cavity and a heat exchange cavity, and the heat exchange cavity includes a fan installation hole, a front air inlet and a rear air inlet arranged at the top;

[0006] The water receiving tray includes an equilateral triangle portion arranged in the middle of the width direction and a water collecting groove arranged on both sides of the equilateral triangle portion, wherein the water collecting groove is high in the middle and low at two ends;

[0007] The water receiving pan is arranged at the junction of the device cavity and the heat exchange cavity, the heat exchanger is perpendicular to the waist of the equilateral triangle portion, the end sealing plate is fixed to both sides of the heat exchanger, and the fan is arranged on the fan mounting hole; the electric heating wire is arranged in the water collecting trough; the drainage interface pipe is fixed and connected to both ends of the water collecting trough, and the drainage interface pipe extends out from the heat exchange cavity.

[0008] The low-temperature air source heat pump for preventing condensed water from freezing is special in that two heat exchangers are provided.

[0009] The low-temperature air source heat pump for preventing condensed water from freezing is special in that two air installation holes are provided.

[0010] The special feature of the low-temperature anti-condensation water freezing air source heat pump is that it also includes a second electric heating wire, which is arranged on the outer surface of the bottom plate of the water collecting trough, and the second electric heating wire is covered with thermal insulation cotton; or the thermal insulation cotton wraps the outer surface of the water collecting trough.

[0011] The low-temperature air source heat pump for preventing condensed water from freezing is special in that the cross section of the drainage trough bottom plate along the width direction is an angle with an upper opening.

[0012] The low-temperature air source heat pump for preventing condensed water from freezing is special in that: the regular triangle portion is hollow and has a lower opening;

[0013] Overflow holes are arranged at both ends of the wall plate adjacent to the regular triangle portion of the water collecting and draining groove.

[0014] The utility model discloses an air source heat pump which can prevent condensed water from freezing at low temperature. Condensed water generated by a heat exchanger quickly enters a drainage trough. After the condensed water enters the drainage trough, it flows to both ends and is quickly discharged. The arrangement of the electric heating wire can effectively prevent freezing without affecting drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is one of the three-dimensional diagrams of the present utility model.

[0016] Figure 2 It is the second stereogram of the utility model.

[0017] Figure 3 It is a cross-sectional view of the utility model.

[0018] Figure 4 It is a three-dimensional diagram of the water receiving tray of the utility model. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figure 1 , Figure 2 , Figure 3 As shown, a low-temperature anti-condensation water freezing air source heat pump includes a base 1, a heat exchanger 2, a water receiving tray 3, a drainage interface pipe 4, an electric heating wire 5 and a fan (not shown in the figure).

[0022] The base 1 includes a device cavity 11 and a heat exchange cavity 12. The heat exchange cavity 12 includes a fan installation hole, a front air inlet and a rear air inlet arranged at the top. The device cavity 11 is used to set a compressor, a liquid storage tank and a throttling device.

[0023] The water receiving tray 3 includes an equilateral triangle portion 31 disposed in the middle of the width direction and drainage grooves 32 disposed on both sides of the equilateral triangle portion 31. The drainage grooves 32 are high in the middle and low at both ends. With such a structure, the condensed water entering the drainage grooves flows quickly on both sides, shortening the drainage length.

[0024] The water receiving pan 3 is arranged at the junction of the device cavity 11 and the heat exchange cavity 12, the heat exchanger 2 is perpendicular to the waist of the regular triangle part 31, the end sealing plate 6 is fixed to both sides of the heat exchanger 2, and the end sealing plate 6 and the heat exchanger 2 form an exhaust cavity; the fan is arranged on the fan installation hole; the electric heating wire 5 is arranged in the water collecting groove 32; the drainage interface pipe 4 is fixed and connected to both ends of the water collecting groove 32, and the drainage interface pipe 4 extends out of the heat exchange cavity 12. With the arrangement of the regular triangle part, the condensed water generated by the heat exchanger 2 quickly enters the water collecting groove 32.

[0025] The heat exchanger 2 is provided with two end sealing plates 6 fixed to both ends of the heat exchanger 2 .

[0026] As a further improvement of the utility model: two wind installation holes are provided.

[0027] As a further improvement of the utility model: the electric heating wire 5 extends into the drainage interface pipe 4.

[0028] As a further improvement of the utility model, it also includes a second heating wire, which is arranged on the outer surface of the bottom plate of the water collecting groove 32, and the second heating wire is covered with thermal insulation cotton; or the outer surface of the water collecting groove 32 is wrapped with thermal insulation cotton.

[0029] The cross section of the bottom plate of the drainage trough 32 along the width direction is an angle with an upper opening. With such a structure, condensed water can be quickly collected and drained quickly.

[0030] The equilateral triangle portion 31 is hollow and has a lower opening;

[0031] The two ends of the wall plate adjacent to the equilateral triangle portion 31 of the water collecting groove 31 are provided with overflow holes 321 to prevent the drainage when the drainage interface pipe is blocked by foreign matter.

[0032] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A low-temperature air source heat pump that prevents condensed water from freezing, characterized in that: Including machine base, heat exchanger, water tray, drainage interface pipe, electric heating wire and fan, The machine base includes a device cavity and a heat exchange cavity, and the heat exchange cavity includes a fan installation hole, a front air inlet and a rear air inlet arranged at the top; The water receiving tray includes an equilateral triangle portion arranged in the middle of the width direction and a water collecting groove arranged on both sides of the equilateral triangle portion, wherein the water collecting groove is high in the middle and low at two ends; The water receiving pan is arranged at the junction of the device cavity and the heat exchange cavity, the heat exchanger is perpendicular to the waist of the equilateral triangle portion, the end sealing plate is fixed to both sides of the heat exchanger, and the fan is arranged on the fan mounting hole; the electric heating wire is arranged in the water collecting trough; the drainage interface pipe is fixed and connected to both ends of the water collecting trough, and the drainage interface pipe extends out from the heat exchange cavity.

2. The low-temperature anti-condensation water freezing air source heat pump according to claim 1, characterized in that: The heat exchanger is provided with two.

3. The low-temperature anti-condensation water freezing air source heat pump according to claim 1, characterized in that: The fan mounting holes are provided with two.

4. The low-temperature anti-condensation water freezing air source heat pump according to claim 1, characterized in that: The electric heating wire extends into the drainage interface pipe.

5. The low-temperature anti-condensation water freezing air source heat pump according to claim 1, characterized in that: It also includes a second electric heating wire, which is arranged on the outer surface of the bottom plate of the water collecting trough, and the second electric heating wire is covered by thermal insulation cotton; or the thermal insulation cotton wraps the outer surface of the water collecting trough.

6. The low-temperature anti-condensation water freezing air source heat pump according to claim 1, characterized in that: The cross section of the drainage trough bottom plate along the width direction is an angle shape with an upper opening.

7. A low-temperature anti-condensation water freezing air source heat pump according to claim 1, 2, 3, 4, 5 or 6, characterized in that: The equilateral triangle portion is hollow and has a lower opening; Overflow holes are arranged at both ends of the wall plate adjacent to the regular triangle portion of the water collecting and draining groove.

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