Deicing drainage device for heat pump heat exchanger

Abstract

The utility model relates to a deicing drainage device for a heat pump heat exchanger. The deicing drainage device comprises a water pan and a heating unit arranged on the water pan. The water pan comprises a bottom plate, a circle of enclosure arranged along the edge of the bottom plate in a surrounding manner, a drain hole formed in the bottom plate, and a heating unit groove used for accommodating and fixing the heating unit; the drain hole is located at the lowest position of the water pan; the heating units are arranged in the heating unit grooves, and the heating units make contact with the fins on the heat energy heat exchanger. According to the deicing drainage device, the defrosting frequency is reduced, the heating unit is additionally arranged below the fin type heat exchanger and makes contact with the fins, the deicing efficiency is improved, the defrosting frequency is reduced, and the user experience is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat pump technical field especially is related to a defrosting drainage device for heat pump heat exchanger. BACKGROUND

[0002] The heat pump has low use cost, easy operation, good heating effect, safety, cleanliness and multiple advantages, can convert the low position heat energy that cannot be directly utilized into the high position heat energy that can be utilized, thereby reaches the purpose of saving part high position heat energy, along with the continuous development of science and technology, heat pump has been widely applied, and the current products have domestic heat pump air conditioner, commercial unit heat pump air conditioning unit and heat pump cold and hot water unit etc.

[0003] At present, most heat pumps are equipped with automatic defrosting function, and the function melts the frost layer through heating. However, the unit blows cold air to the room during the defrosting process, and frequent defrosting will seriously affect the user experience. In addition, the defrosting function will only start when the environmental temperature reaches a certain condition, which will cause the contact surface of the fin and the bottom plate to be easy to freeze, and when the ice at the bottom fin position is not removed in time, the ice will accumulate higher and higher, and when the accumulated ice reaches a certain condition, the copper pipe of the fin will be frozen and cracked. SUMMARY

[0004] Therefore, the utility model discloses a defrosting drainage device for heat pump heat exchanger.

[0005] A defrosting drainage device for heat pump heat exchanger, comprising a water collecting tray and a heating unit arranged on the water collecting tray.

[0006] The water collecting tray comprises a bottom plate, a surrounding fence arranged around the edge of the bottom plate, a drainage hole arranged on the bottom plate, and a heating unit groove for accommodating and fixing the heating unit. The drainage hole is located at the lowest part of the water collecting tray.

[0007] The heating unit is arranged in the heating unit groove, and the heating unit is in contact with the fin on the heat exchanger.

[0008] Compared with the prior art, the defrosting drainage device for heat pump heat exchanger reduces the defrosting frequency, adds the heating unit below the fin heat exchanger, makes it contact with the fin, improves the ice removal efficiency, reduces the defrosting frequency, and significantly improves the user experience.

[0009] In an embodiment, the bottom plate is further provided with a support rubber pad, and the heating unit is at the same height as the support rubber pad.

[0010] In an embodiment, the water pan further comprises a drain hole groove provided on the bottom plate, and the drain hole is provided at the bottom of the drain hole groove.

[0011] In an embodiment, the water pan further comprises a plurality of guide grooves provided on the bottom plate; the guide grooves are through the drain hole groove, and the heating unit groove is through the guide groove.

[0012] In an embodiment, the heating unit is an electric heating pipe.

[0013] In an embodiment, the heating unit is a curved arrangement.

[0014] In an embodiment, the water pan further comprises a plurality of drain ports provided on the bottom plate, and the drain ports are provided directly below the heat energy exchanger.

[0015] In an embodiment, the heating unit groove is through the drain port.

[0016] In an embodiment, the heating unit is provided at a position directly below the heat pump exchanger.

[0017] In an embodiment, the water pan is made of an anti-corrosion material, and the bottom plate is made of a high-thermal-conductivity material.

[0018] In order to better understand and implement, the following will be described in detail in conjunction with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a water pan structure schematic diagram of the utility model;

[0020] Figure 2 It is a water pan and heating unit cooperation schematic diagram of the utility model. DETAILED DESCRIPTION

[0021] The scheme of the utility model will be described in detail in conjunction with the drawings.

[0022] As shown in the figure, the utility model discloses a deicing and draining device for heat pump exchanger, which comprises a water pan 100 and a heating unit 200 provided on the water pan 100.

[0023] The water pan 100 includes a bottom plate 110, a surrounding barrier 120 surrounding the edge of the bottom plate 110, a drain hole 130 arranged on the bottom plate 110, a rubber pad 140 for supporting the heat pump heat exchanger, and a heating unit groove 150 for accommodating and fixing the heating unit 200; the drain hole 130 is located at the lowest part of the water pan 100.

[0024] The water pan 100 is located directly below the heat pump heat exchanger, ensuring that the defrosting water can naturally drip into the water pan 100; specifically, the heating unit groove 150 is arranged directly below the heat energy heat exchanger, and the specific distribution position is determined by the equipment used.

[0025] The rubber pad 140 is arranged on the bottom plate 110 of the water pan 100, and is used to support the heat pump heat exchanger, ensuring that a certain gap is maintained between the heat pump heat exchanger and the water pan 100, facilitating the flow of defrosting water.

[0026] In order to improve the drainage efficiency of defrosting water, the water pan 100 further includes a drain hole groove 160 arranged on the bottom plate 110, and the drain hole 130 is arranged in the drain hole groove 160, so as to ensure that the drain hole 130 is located at the lowest part of the water pan 100.

[0027] In order to guide the water flow in a specific direction, avoid water splashing or accumulation, and improve the drainage efficiency, the water pan 100 further includes a plurality of guide grooves 170 arranged on the bottom plate, the guide grooves 170 are through the drain hole groove 160, and the defrosting water can flow along the guide grooves 170 to the drain hole 130.

[0028] In order to further improve the drainage efficiency of defrosting water, the heating unit groove 150 is through the guide groove 170.

[0029] The heating unit 200 is arranged in the heating unit groove 150 on the bottom plate 110, and the heating unit 200 is in contact with the fins on the heat energy heat exchanger, improving the ice melting efficiency.

[0030] Specifically, the heating unit 200 is arranged at a height on the bottom plate 110, and the height of the fins on the heat pump heat exchanger after being arranged on the rubber pad 140 is consistent with the height of the bottom plate 110; in an embodiment, if the diameter of the heating unit 200 is too small, a boss (not shown in the figure) is arranged on the bottom plate 110 to raise the heating unit 200.

[0031] Specifically, in an embodiment, the heating unit 200 is an electric heating pipe; the electric heating pipe can be one or a plurality of; further, in order to improve the ice melting efficiency, the electric heating pipe is arranged in a curved manner.

[0032] In order to improve the drainage efficiency of the ice melting water, a plurality of drainage openings 180 are formed on the water receiving tray 100, the drainage openings 180 are arranged directly below the heat energy heat exchanger, further, the heating unit groove 150 is communicated with the drainage openings; further, a water receiving groove (not shown in the figure) is arranged directly below the drainage openings 180, and another drainage hole (not shown in the figure) is arranged at the lowest position of the water receiving groove.

[0033] Specifically, the water receiving tray 100 is made of anti-corrosion material, such as stainless steel or engineering plastic, so as to prolong the service life of the device; the bottom plate 110 is made of high thermal conductivity material, such as aluminum alloy, so as to heat the bottom plate 110 by using the waste heat of the heating unit 200, and prevent the defrosting water from being frozen in the water receiving tray 100.

[0034] The heating unit 200 melts the ice layer on the fin of the heat pump heat exchanger by heating, the generated defrosting water drops from the fin of the heat pump heat exchanger to the bottom plate 110 of the water receiving tray 100, the defrosting water is guided to the drainage hole groove 160 by the guide groove 170, and finally is discharged through the drainage hole 130, further, the drainage openings 180 directly receive the defrosting water directly below the heat pump heat exchanger, so as to further improve the drainage efficiency; in addition, the heat of the heating unit 200 can also indirectly heat the defrosting water in the water receiving tray 100, so as to prevent the defrosting water from being frozen in the water receiving tray 100.

[0035] Compared with the prior art, the defrosting frequency is reduced, the heating unit is arranged below the fin heat exchanger and contacts the fin, the ice removal efficiency is improved, the defrosting frequency is reduced, and the user experience is significantly improved.

[0036] The terms used in the embodiments of the present application are merely for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that "a plurality of" means two or more, unless otherwise stated; the terms "first", "second", "third" and the like are used only to distinguish, not to describe a specific order or sequence, and cannot be understood as indicating or implying relative importance. The term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items. The above description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. In the description of the present application, the specific meaning of the above terms in the present application can be understood by the person skilled in the art according to the specific circumstances.

[0037] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model.

Claims

1. A de-icing and drainage device for a heat pump heat exchanger, characterized in that: Includes a water receiving tray and a heating unit mounted on the water receiving tray; The water receiving tray includes a base plate, a surrounding barrier along the edge of the base plate, a drain hole on the base plate, and a heating unit groove for accommodating and fixing the heating unit; the drain hole is located at the lowest point of the water receiving tray. The heating unit is disposed in the heating unit groove, and the heating unit is in contact with the fins on the heat exchanger.

2. The de-icing and drainage device for a heat pump heat exchanger according to claim 1, characterized in that: The base plate is also provided with a supporting rubber pad, and the height of the heating unit on the base plate is the same as the height of the supporting rubber pad.

3. The de-icing and drainage device for a heat pump heat exchanger according to claim 2, characterized in that: The water receiving tray also includes a drainage hole groove provided on the base plate, wherein the drainage hole is located at the bottom of the drainage hole groove.

4. The de-icing and drainage device for a heat pump heat exchanger according to claim 3, characterized in that: The water receiving tray also includes several guide grooves disposed on the base plate; the guide grooves are in communication with the drain hole grooves, and the heating unit grooves are in communication with the guide grooves.

5. The de-icing and drainage device for a heat pump heat exchanger according to claim 4, characterized in that: The heating unit is an electric heating element.

6. The de-icing and drainage device for a heat pump heat exchanger according to claim 5, characterized in that: The heating unit is arranged in a curved configuration.

7. The de-icing and drainage device for a heat pump heat exchanger according to claim 6, characterized in that: The water receiving tray also includes several drain outlets disposed on the base plate, which are located directly below the heat exchanger.

8. The de-icing and drainage device for a heat pump heat exchanger according to claim 7, characterized in that: The groove of the heating unit is in communication with the drain outlet.

9. The de-icing and drainage device for a heat pump heat exchanger according to claim 8, characterized in that: The heating unit is located directly below the heat pump heat exchanger.

10. The de-icing and drainage device for a heat pump heat exchanger according to claim 9, characterized in that: The water receiving tray is made of corrosion-resistant material, and the base plate is made of high thermal conductivity material.

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