CN218955055U - Outdoor unit chassis and air conditioner outdoor unit - Google Patents
Outdoor unit chassis and air conditioner outdoor unit Download PDFInfo
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- CN218955055U CN218955055U CN202223342107.3U CN202223342107U CN218955055U CN 218955055 U CN218955055 U CN 218955055U CN 202223342107 U CN202223342107 U CN 202223342107U CN 218955055 U CN218955055 U CN 218955055U
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- tray body
- unit chassis
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Abstract
The utility model provides an outdoor unit chassis and an air conditioner outdoor unit, wherein the outdoor unit chassis comprises: a tray body; a refrigerant flow passage comprising: the cooling medium cooling device comprises a flow channel shell, wherein the bulge is arranged at the top end of the tray body, a plurality of concave sinking tables are arranged on the top wall of the flow channel shell at intervals, a grid-shaped inner cavity is formed between the top wall of the flow channel shell and the plurality of sinking tables, and the flow channel shell is provided with a cooling medium inlet and a cooling medium outlet which are communicated with the inner cavity. According to the outdoor unit chassis provided by the utility model, when deicing conditions are met, the deicing effect can be achieved through heat exchange between the high-temperature refrigerant of the exhaust pipe and the refrigerant flow channel of the chassis, and the chassis does not need to be provided with an electric heating element, so that the problem of wire leakage is avoided, and meanwhile, the whole structure is simplified; the chassis refrigerant flow channels form a plurality of communicated refrigerant flow cavities which are uniformly and densely distributed through an inflation process, so that the refrigerant flow heat exchange area is increased, the chassis deicing and heating efficiency is improved, and the energy consumption cost is reduced; the chassis is provided with a plurality of water outlets, a channel is provided for a water discharge unit formed in the deicing process, and accumulated water formed on the chassis is prevented from reducing deicing efficiency.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an outdoor unit chassis and an air conditioner outdoor unit.
Background
When the air conditioner heats, the air conditioner can undergo multiple defrosting processes, condensed water flows to the outdoor unit chassis along the outdoor unit condenser (the outdoor unit heat exchanger is the condenser when defrosting, and the actual effect is the evaporator when heating), because the temperature of the outdoor unit chassis is lower in northern cold winter, accumulated water can be condensed into ice on the outdoor unit chassis, and the accumulated ice layer on the outdoor unit chassis is thicker along with long-time heating operation of the air conditioner, thereby influencing the heat exchange effect of the outdoor unit heat exchanger, and simultaneously reducing the heating effect of the indoor unit heat exchanger and influencing the comfort experience of users. In order to solve the problem that the outdoor unit chassis of the air conditioner freezes in the defrosting process of the outdoor unit, the prior art generally adopts an electric heating piece arranged on the outdoor unit chassis, and the outdoor unit chassis is heated by the electric heating piece to achieve the deicing effect, but the deicing mode of the outdoor unit chassis increases the structural complexity of the outdoor unit, has low heating efficiency and high energy consumption, and simultaneously has the safety problem that wires are easy to damage and electric leakage.
Therefore, the lack of an outdoor unit chassis with a simple structure and low energy consumption, which is suitable for deicing when an air conditioner is defrosted, is a technical problem to be solved in the art.
Disclosure of Invention
The utility model provides an outdoor unit chassis and an air conditioner outdoor unit, aiming at solving the technical problems that the prior art lacks an outdoor unit chassis which is simple in structure and low in energy consumption and is suitable for deicing when an air conditioner is frosted.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides an outdoor unit chassis, comprising:
a tray body;
a refrigerant flow passage comprising:
the cooling medium cooling device comprises a flow channel shell, wherein the bulge is arranged at the top end of the tray body, a plurality of concave sinking tables are arranged on the top wall of the flow channel shell at intervals, a grid-shaped inner cavity is formed between the top wall of the flow channel shell and the plurality of sinking tables, and the flow channel shell is provided with a cooling medium inlet and a cooling medium outlet which are communicated with the inner cavity.
Preferably, the plurality of sinking tables are uniformly spaced and staggered on the top wall.
Preferably, the sinking platform is a round platform.
Preferably, the tray body is made of aluminum alloy, and the refrigerant flow passage is made of graphite and is printed on the tray body.
Further, the outdoor unit chassis further includes:
at least one water collecting tank is arranged on the tray body, and at least one first water outlet is arranged at the bottom of the water collecting tank.
Preferably, the runner shell is provided with at least one through groove, and a second water outlet is arranged at the position, opposite to the through groove, of the disc body.
Further, the outdoor unit chassis further includes:
the refrigerant inlet pipe and the refrigerant outlet pipe are respectively and correspondingly connected with the refrigerant inlet and the refrigerant outlet.
Preferably, the tray body is rectangular, the runner shell is U-shaped and extends along the inner edges of three side edges of the top end face of the tray body, and the refrigerant inlet and the refrigerant outlet are respectively and correspondingly arranged at two ends of the runner shell in the extending direction.
The utility model also provides an air conditioner outdoor unit which comprises a compressor and an oil separator, and the air conditioner outdoor unit further comprises the outdoor unit chassis.
Further, the air conditioner outdoor unit further comprises an electromagnetic valve and a one-way valve, wherein a main flow path of an exhaust pipe of the compressor is directly communicated with the oil separator, and an auxiliary flow path of the exhaust pipe is communicated with the oil separator after passing through the electromagnetic valve, the refrigerant inlet, the inner cavity, the refrigerant outlet and the one-way valve in sequence.
Compared with the prior art, the outdoor unit chassis provided by the utility model can realize the chassis deicing effect by heat exchange between the high-temperature refrigerant discharged by the exhaust pipe and the refrigerant flow channel arranged on the chassis when the deicing condition such as defrosting and low temperature of the outdoor unit is achieved, an electric heating element is not required to be arranged on the chassis, the safety problem that the lead of the electric heating element is easy to break and leak is avoided, and meanwhile, the whole structure is simplified; a plurality of communicated refrigerant flowing cavities which are uniformly and densely distributed are formed in the refrigerant flow channels of the chassis through an inflation process, so that the heat exchange area of refrigerant flowing is increased, the deicing heating efficiency of the outdoor unit chassis is improved, and the energy consumption cost is reduced; the chassis is provided with a plurality of water outlets, a channel is provided for a water discharge unit formed in the deicing process, and accumulated water formed on the chassis is prevented from reducing deicing efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall structure of an outdoor unit chassis according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the area A in FIG. 1 in a partially enlarged manner;
FIG. 3 is a schematic view of the partial enlarged structure of the area B in FIG. 2;
fig. 4 is a schematic diagram illustrating a refrigerant flow direction of an outdoor unit of an air conditioner according to the present utility model.
Wherein, each reference numeral in the figure mainly marks:
1. a tray body; 11. a water collection tank; 111. a first drain port; 112. a second drain port; 2. a flow passage housing; 21. a sinking platform; 22. a top wall; 23. a refrigerant inlet; 24. a refrigerant outlet; 25. a through groove; 3. a refrigerant inlet pipe; 4. and a refrigerant outlet pipe.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to fig. 1-4 and embodiments.
Referring to fig. 1-3, the outdoor unit chassis provided by the present utility model includes:
a tray body 1; a refrigerant flow passage comprising: the flow channel shell 2 is arranged on the top end plane of the tray body 1 in a protruding mode, a plurality of sinking tables 21 which are concave towards the top end plane of the tray body 1 are arranged on the top wall 22 of the flow channel shell 2 at intervals, a grid-shaped inner cavity (not shown in the figure) is formed between the top wall 22 of the flow channel shell 2 and the plurality of sinking tables 21, and the flow channel shell 2 is provided with a refrigerant inlet 23 and a refrigerant outlet 24 which are communicated with the inner cavity.
In this embodiment, the tray body 1 is made of an aluminum alloy material and is formed by stamping two aluminum alloy plates, the refrigerant flow channels are made of a graphite material, and specifically, graphite layers with specific extending directions (corresponding to the extending directions of the refrigerant flow channels) are printed on the abutting surface of one aluminum alloy plate and the other aluminum alloy plate forming the tray body 1 by a graphite printing method, so that the two aluminum alloy plates are blocked between the two aluminum alloy plates during opposite flushing, and the two aluminum alloy plates are not stamped into a whole due to the existence of the graphite layers during opposite flushing, but are separated from each other through the graphite layers, so that the refrigerant flow channels can be directly separated from the tray body 1 when required subsequently. The graphite layer is inflated to form the latticed inner cavity through inflation technology after stamping, a refrigerant inlet 23 and a refrigerant outlet 24 which are communicated with the inner cavity are formed at two ends of the extending direction of the runner shell 2, and the latticed inner cavity is directly communicated with the refrigerant inlet 23 and the refrigerant outlet 24, so that a channel which can be used for flowing in the refrigerant from the refrigerant inlet 23 and flowing out through the inner cavity and the refrigerant outlet 24 is formed. The inner cavity of the tray body 1 of the outdoor unit chassis is provided with the cavities for flowing the refrigerant, the cavities for flowing the refrigerant are uniformly and densely distributed, the heat exchange area of the refrigerant flow is large, the heat exchange effect is good, and the heating deicing effect of the outdoor unit chassis can be realized by replacing an electric heating element.
As a preferred embodiment, the plurality of sinking tables 21 are uniformly spaced and staggered on the top wall 22, and a plurality of cavities connected one by one are formed between adjacent sinking tables 21. As a more preferable embodiment, the sinking table 21 is a circular table.
In this embodiment, the outdoor unit chassis further includes:
at least one water collecting tank 11 is arranged on the tray body 1, at least one first water outlet 111 is arranged at the bottom of the water collecting tank 11, a channel is provided for discharging accumulated water formed on the top surface of the tray body 1 in the deicing process of the refrigerant flow channel to the outdoor unit chassis, and the outdoor unit chassis is prevented from reducing deicing efficiency due to icing of accumulated water on the top surface of the tray body 1.
As a preferred embodiment, the runner housing 2 is provided with at least one through groove 25, and the position of the tray body 1 opposite to the through groove 25 is provided with a second water outlet 112 to provide a channel for discharging accumulated water formed on the surface of the runner housing 2 during deicing of the refrigerant runner to the outdoor unit chassis, so as to prevent the outdoor unit chassis from being frozen due to accumulated water on the surface of the runner housing 2 and reduce deicing efficiency.
In this embodiment, the outdoor unit chassis further includes:
the refrigerant inlet pipe 3 and the refrigerant outlet pipe 4 are respectively and correspondingly connected with the refrigerant inlet 23 and the refrigerant outlet 24. As a preferred embodiment, the tray body 1 is rectangular, the flow channel housing 2 is U-shaped and extends along three side edges of the top end surface of the tray body 1, and the refrigerant inlet 23, the refrigerant inlet pipe 3, the refrigerant outlet 24 and the refrigerant outlet pipe 4 are respectively and correspondingly arranged at two ends of the flow channel housing 2 in the extending direction (namely, two opposite ends of the U-shaped flow channel housing 2).
In one embodiment, the outdoor unit chassis further includes: at least one boss arranged on the top surface of the tray body 1, and structures such as folds, bulges and the like on the edge or the periphery of the tray body 1, wherein the structures are formed by processing the tray body 1 through a forming process after the blowing process.
The utility model also provides an air conditioner outdoor unit which comprises a compressor and an oil separator, and the air conditioner outdoor unit further comprises the outdoor unit chassis. In this embodiment, the outdoor unit of the air conditioner further includes a solenoid valve and a check valve. The utility model provides an air conditioner outdoor unit applying the outdoor unit chassis, wherein the refrigerant flow direction of an exhaust pipe of a compressor is divided into two paths, and a main flow path of the exhaust pipe is directly communicated with an oil separator, namely, the refrigerant main flow path flowing out of the exhaust pipe of the compressor directly enters the oil separator to be subjected to gas-liquid separation and then enters an outdoor unit heat exchanger (namely, a condenser, the condenser acts as an evaporator in heating and still acts as a condenser in defrosting); the auxiliary flow path of the exhaust pipe is communicated with the oil separator after passing through the electromagnetic valve, the refrigerant inlet 23, the inner cavity, the refrigerant outlet 24 and the one-way valve in sequence, namely, when the refrigerant flowing out of the exhaust pipe of the compressor enters the auxiliary flow path, the refrigerant passes through the electromagnetic valve at first, and the opening and closing of the auxiliary flow path are controlled through the electromagnetic valve.
Referring to fig. 4, the working principle of the outdoor unit of the air conditioner provided by the utility model is as follows:
when a temperature sensor arranged on a refrigerant branch path of a condenser of the outdoor unit detects that the outdoor unit does not reach a deicing condition (such as that the outdoor unit is in a defrosting mode and the outdoor air temperature is lower than zero), the air conditioner system keeps a heating mode, the control electromagnetic valve is closed, and high-temperature refrigerant flowing out of the compressor from the exhaust pipe directly enters the oil separator through the main flow path.
When the temperature sensor of the outdoor unit detects that the outdoor unit reaches a deicing condition, the air conditioner system enters a deicing mode, the electromagnetic valve is controlled to be opened, and part of high-temperature refrigerant flowing out of the compressor from the exhaust pipe enters a refrigerant inlet 23 of a flow passage shell 2 arranged on the tray body 1 through an auxiliary flow passage, namely, the high-temperature refrigerant is introduced into a refrigerant flow passage at the top end of the tray body 1; then, the high-temperature refrigerant flows through the top end of the tray body 1 along the inner cavity of the refrigerant flow channel and heats the outdoor unit chassis along the extending direction of the refrigerant flow channel so as to achieve the deicing effect on the outdoor unit chassis when the outdoor unit is in a defrosting mode and the deicing condition is achieved; finally, the refrigerant flows to the refrigerant outlet 24 of the flow passage shell 2 along the inner cavity, enters the oil separator through the one-way valve, and the one-way valve is arranged to prevent the refrigerant of the main flow passage from flowing back into the refrigerant flow passage of the auxiliary flow passage.
When the temperature sensor of the outdoor unit detects that the outdoor unit does not meet the deicing condition any more, the air conditioner system exits the deicing mode, the electromagnetic valve is controlled to be closed, the refrigerant flow passage of the auxiliary flow passage is cut off, and the high-temperature refrigerant only enters the oil separator through the main flow passage.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. An outdoor unit chassis, comprising:
a tray body;
a refrigerant flow passage comprising:
the cooling device comprises a tray body, a flow passage shell, a plurality of concave sinking tables and a cooling medium outlet, wherein the top wall of the flow passage shell is provided with a plurality of grid-shaped inner cavities between the top wall of the flow passage shell and the sinking tables at intervals, and the flow passage shell is provided with a cooling medium inlet and a cooling medium outlet which are communicated with the inner cavities.
2. The outdoor unit chassis of claim 1, wherein the plurality of settling tables are uniformly spaced and staggered on the top wall.
3. The outdoor unit chassis of claim 2, wherein the sink is a circular table.
4. The outdoor unit chassis of any one of claims 1-3, wherein the tray body is made of aluminum alloy, and the refrigerant flow channels are made of graphite and are printed on the tray body.
5. The outdoor unit chassis of any one of claims 1-3, further comprising:
the water collecting tank is arranged on the tray body, and at least one first water outlet is arranged at the bottom of the water collecting tank.
6. The outdoor unit chassis of any one of claims 1 to 3, wherein the flow path housing is provided with at least one through groove, and a second drain opening is provided at a position of the tray body facing the through groove.
7. The outdoor unit chassis of any one of claims 1-3, further comprising:
the refrigerant inlet pipe and the refrigerant outlet pipe are respectively and correspondingly connected with the refrigerant inlet and the refrigerant outlet.
8. The outdoor unit chassis of claim 7, wherein the tray body has a rectangular shape, the flow channel housing has a U shape and extends along three side inner edges of the top surface of the tray body, and the refrigerant inlet and the refrigerant outlet are respectively and correspondingly disposed at two ends of the flow channel housing in the extending direction.
9. An outdoor unit of an air conditioner, comprising a compressor and an oil separator, wherein the outdoor unit of the air conditioner further comprises an outdoor unit chassis according to any one of claims 1 to 8.
10. The outdoor unit of claim 9, further comprising a solenoid valve and a check valve, wherein a main flow path of the discharge pipe of the compressor is directly connected to the oil separator, and an auxiliary flow path of the discharge pipe is sequentially connected to the oil separator after passing through the solenoid valve, the refrigerant inlet, the inner chamber, the refrigerant outlet, and the check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223342107.3U CN218955055U (en) | 2022-12-12 | 2022-12-12 | Outdoor unit chassis and air conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223342107.3U CN218955055U (en) | 2022-12-12 | 2022-12-12 | Outdoor unit chassis and air conditioner outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218955055U true CN218955055U (en) | 2023-05-02 |
Family
ID=86138828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223342107.3U Active CN218955055U (en) | 2022-12-12 | 2022-12-12 | Outdoor unit chassis and air conditioner outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218955055U (en) |
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2022
- 2022-12-12 CN CN202223342107.3U patent/CN218955055U/en active Active
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