Condenser cleaning device and air conditioning unit

Abstract

The condenser cleaning device is arranged above a condenser and comprises a main water pipe and a plurality of branch water pipes, the main water pipe is arranged at the position close to a first edge of the condenser and is arranged along the first edge in a full-length mode, and the branch water pipes extend out of the main water pipe towards a second edge opposite to the first edge of the condenser. Nozzles are arranged on the main water pipe and the branch water pipes, one end of the main water pipe is closed, the other end of the main water pipe extends out of a shell of the air conditioning unit, and a connector used for being connected with a water source is arranged at the end of the main water pipe. The condenser cleaning device is integrally installed in the air conditioning unit, a cover plate of the air conditioning unit does not need to be detached during cleaning, automatic cleaning can be achieved, labor intensity can be reduced, cleaning efficiency can be greatly improved, the nozzles are evenly distributed, it can be guaranteed that the condenser is comprehensively cleaned, and the cleaning effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air conditioning equipment, and particularly relates to a condenser cleaning device and an air conditioning unit. Background Art

[0002] like Figure 1 As shown, the condensers in the conventional rail vehicle air conditioning unit are arranged on both sides of the outdoor cavity of the air conditioning unit, and a cover plate 2 with a vent is provided on the housing 1 of the air conditioning unit, and a condenser 3 is provided below the cover plate 2. After the air conditioning unit is used for a long time, a large amount of dust will be deposited on the condenser 3. If the dust is not cleaned in time, the heat exchange capacity of the condenser 3 will be reduced, the energy efficiency ratio of the air conditioning unit will be reduced, and even the air conditioning unit will fail.

[0003] At present, in order to clean the dust on the condenser 3, the operator needs to first remove the cover 2 above the condenser 3, and then the operator holds the high-pressure water gun 4, stands in front of the condenser 3 and manually operates to sweep and clean the condenser 3, thereby achieving a comprehensive cleaning of the condenser 3. During the cleaning process, the operator needs to continue to hold the high-pressure water gun 4 and move in front of the condenser 3.

[0004] The above conventional air conditioning unit condenser cleaning device has the following disadvantages:

[0005] (1) The cover plate 2 above the condenser 3 needs to be removed, which takes a long time to dismantle and restore, and additional space is required to store the cover plate 2.

[0006] (2) During cleaning, the operator needs to move back and forth to achieve comprehensive cleaning of the condenser 3, which consumes a lot of manpower and requires a large number of personnel.

[0007] (3) The cleaning pressure is greatly affected by the operator's operation, and the degree of damage to the condenser fins is different, the cleaning state is different, and it is difficult to control. Utility Model Content

[0008] The main technical problem solved by the utility model is to provide a condenser cleaning device which does not require removal of the cover plate during cleaning, greatly improves the cleaning efficiency, ensures comprehensive cleaning of the condenser, and improves the cleaning effect. At the same time, an air-conditioning unit equipped with the condenser cleaning device is provided.

[0009] In order to solve the above technical problems, the first technical solution adopted by the utility model is:

[0010] A condenser cleaning device is placed above the condenser, comprising a main water pipe and a plurality of branch water pipes, wherein the main water pipe is arranged at a position close to a first side of the condenser and is arranged along the first side, and the branch water pipes extend from the main water pipe toward a second side opposite to the first side of the condenser, and nozzles are arranged on both the main water pipe and the branch water pipes, one end of the main water pipe is closed, and the other end extends out of the casing of the air-conditioning unit, and a connector for connecting to a water source is arranged at the end of the main water pipe.

[0011] Furthermore, a plurality of branch water pipes are arranged in parallel, and rear ends of the branch water pipes are vertically connected to the main water pipe.

[0012] Furthermore, the branch water pipes are arranged at equal intervals.

[0013] Furthermore, the branch water pipe is arranged obliquely relative to the condenser surface, and the distance between the nozzle at the front end of the branch water pipe and the condenser surface is smaller than the distance between the nozzle at the rear end and the condenser surface.

[0014] Furthermore, at least one nozzle is provided at the front end, the middle position and the connection point with the main water pipe of the branch water pipe.

[0015] Furthermore, the first side and the second side are two opposite long sides of the condenser, the branch water pipe extends along the width direction of the condenser, and the length of the branch water pipe at least covers more than half of the width of the condenser.

[0016] Furthermore, the length of the branch water pipe at least covers more than 2 / 3 of the width of the condenser.

[0017] Furthermore, a pressure boosting device is provided on the connecting water pipe connecting the main water pipe and the water source.

[0018] Furthermore, the shell of the air-conditioning unit includes a cover plate, the main water pipe and the branch water pipe are fixed below the cover plate by a fixing structure, and a notch is provided on one side of the cover plate, and one end of the main water pipe extends from the notch to the outside of the air-conditioning unit.

[0019] In order to solve the above technical problems, the second technical solution adopted by the utility model is:

[0020] An air conditioning unit comprises one or two condensers, and the above-mentioned condenser cleaning device is installed above each condenser.

[0021] In summary, the condenser cleaning device and air conditioning unit provided by the utility model have the following advantages compared with the prior art:

[0022] (1) The utility model integrates the condenser cleaning device into the interior of the air-conditioning unit. There is no need to remove the cover of the air-conditioning unit during cleaning, and automatic cleaning can be achieved. The operator only needs to check the cleaning status regularly, which can reduce labor intensity and greatly improve cleaning efficiency.

[0023] (2) The utility model is provided with a main water pipe connected to a water source, and a plurality of branch water pipes are provided on the main water pipe. Nozzles are provided on both the main water pipe and the branch water pipes, so that the nozzles are evenly distributed to ensure that the condenser is fully cleaned, which is beneficial to improving the cleaning effect.

[0024] (3) The utility model can realize the cleaning operation of multiple units at the same time by coordinating flow rate and pressure, saving labor and improving cleaning efficiency.

[0025] The specific implementation modes of the present utility model are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0027] In the attached picture:

[0028] Figure 1 It is a structural diagram of a prior art condenser cleaning device;

[0029] Figure 2 This is a structural diagram of an air conditioning unit after the utility model is installed with a condenser cleaning device;

[0030] Figure 3 It is a structural diagram of the condenser cleaning device of the utility model.

[0031] In the figure:

[0032] Shell 1, cover plate 2, condenser 3, high-pressure water gun 4;

[0033] Main water pipe 5, branch water pipe 6, nozzle 7, joint 8, cleaning device 9, cross 10, tee 11, tee 12.

[0034] It should be noted that the drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0036] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] Embodiment 1:

[0039] like Figure 2 and Figure 3 As shown, the utility model provides a condenser cleaning device for cleaning the condenser 3 in the air-conditioning unit of a rail vehicle.

[0040] The condenser cleaning device is placed as a whole below the condenser 3 and installed below the cover plate 2 of the air-conditioning unit, and is integrated with the air-conditioning unit. The cleaning device includes a main water pipe 5 and a plurality of branch water pipes 6. The main water pipe 5 is arranged near the first side of the condenser 3 and is arranged along the first side. The plurality of branch water pipes 6 extend from the main water pipe 5 to the second side opposite to the first side of the condenser 3. Spray heads 7 are arranged on the main water pipe 5 and the branch water pipes 6. The spray angles of the various spray heads 7 can be the same or different, so that the spray areas of all the spray heads 7 can fully cover the surface of the entire condenser 3. Among them, one end of the main water pipe 5 is closed, and the other end extends out of the housing 1 of the air-conditioning unit. A connector 8 for connecting to a water source is arranged at the end of the extended end.

[0041] Because the upper surface of the condenser 3 of the air conditioning unit is rectangular, in this embodiment, preferably, the main water pipe 5 is arranged along the long side of the condenser 3, that is, the first side mentioned above refers to the long side of the condenser 3, and is the side close to the side panel of the air conditioning unit housing 1, and the second side refers to the other long side of the condenser 3. The branch water pipe 6 is equivalent to extending along the width direction of the condenser 3. After installation, the main water pipe 5 and the branch water pipe 6 are located above the condenser 3 as a whole.

[0042] The cleaning device, since the main water pipe 5 and the branch water pipe 6 are integrated and installed inside the air conditioning unit, only needs to be connected to a water source during cleaning, and the water source provides pressurized water to the main water pipe 5 and the branch water pipe 6, and the water is sprayed from multiple nozzles 7 to the condenser 3 below, so as to clean the condenser 3. During the entire cleaning process, there is no need to remove the cover plate 2 of the air conditioning unit, and there is no need for the operator to walk back and forth, and automatic cleaning can be achieved. The operator only needs to observe the cleaning status regularly, which is simple and convenient to operate, can reduce labor intensity, and can also greatly improve the cleaning efficiency.

[0043] The cleaning device is provided with a main water pipe 5 and a plurality of branch water pipes 6, and nozzles 7 are provided on the main water pipe 5 and the branch water pipes 6. The nozzles are evenly distributed, which can ensure that the entire area of ​​the condenser 3 is covered for cleaning, thereby improving the cleaning effect.

[0044] like Figure 3 As shown, in this embodiment, in order to simplify the structure and ensure uniform spraying, so that there is no dead angle when cleaning the condenser 3, it is more preferred that multiple branch water pipes 6 are arranged in parallel, and the rear ends of the branch water pipes 6 are vertically connected to the main water pipe 5, and the diameters of the branch water pipes 6 are the same. It is further preferred that multiple branch water pipes 6 are arranged at equal intervals. This is also easy to process and install, and it is also easier to calculate the number of nozzles 7 and the spray angle of each nozzle 7, ensuring full coverage of the condenser 3, and facilitating the selection of the nozzles 6.

[0045] In this embodiment, the branch water pipe 6 extends along the width direction of the condenser 3, and the length of the branch water pipe 6 covers at least more than half of the width of the condenser 3. More preferably, the length of the branch water pipe 6 covers at least more than 2 / 3 of the width of the condenser 3, so as to cooperate with the spraying angle of the nozzle 7 to achieve the purpose of covering the entire area of ​​the condenser 3.

[0046] In this embodiment, it is further preferred that at least one nozzle 7 is respectively provided at the front end (i.e., free end), the middle position, and the rear end connected to the main water pipe 5 of the branch water pipe 6, i.e., for one branch water pipe 6, a total of three nozzles 7 are provided, and the spraying angles of different nozzles 7 on the same branch water pipe 6 can be the same or different, and the water coverage area after each nozzle 7 sprays is roughly circular, and according to the size of different condensers 3, a reasonable number of nozzles 7, the height of nozzles 7, and the spraying angle of nozzles 7 are set as needed to ensure that the spraying area of ​​all nozzles 7 can fully cover the entire condenser 3, without spraying dead angles, and ensure the cleaning effect. In this way, while achieving full coverage, it is also beneficial to reduce the length of the branch water pipe 6, reduce weight, and reduce costs.

[0047] like Figure 2 As shown, since the water pressure at the front end of the branch water pipe 6 is slightly lower than the water pressure at the rear end, in order to ensure the spraying effect, in this embodiment, it is preferred that the branch water pipe 6 is tilted relative to the surface of the condenser 3, and the distance between the nozzle 7 at the front end of the branch water pipe 6 and the surface of the condenser 3 is smaller than the distance between the nozzle 7 at the rear end and the surface of the condenser 3. In this way, it can be ensured that the main water pipe 5 and the branch water pipe 6 do not need to be moved during the cleaning process to change the distance from the condenser 3, and it can also ensure that the water spray pressure is balanced for each area of ​​the condenser 3, and even if the pressure at the front end is relatively small, the cleaning effect is guaranteed due to the short distance.

[0048] In order to increase the heat exchange area and improve the heat exchange capacity of the condenser 3, the condenser 3 in the air conditioning unit is generally installed in an inclined manner inside the air conditioning unit, and the side located at the center position in the width direction of the air conditioning unit is higher than the side close to the side plate of the shell 1, that is, the distance between the second side of the condenser 3 and the cover plate 2 is smaller than the distance between the first side and the cover plate 2. When the main water pipe 5 and the branch water pipe 6 are laid flat under the cover plate 2, the branch water pipe 6 can be tilted relative to the surface of the condenser 3, and the distance between the nozzle 7 at the front end of the branch water pipe 6 and the surface of the condenser 3 can be smaller than the distance between the nozzle 7 at the rear end and the surface of the condenser 3.

[0049] In this embodiment, the nozzle 7 is connected to the main water pipe 5 and the branch water pipe 6 through a three-way, a four-way or a five-way connection, which can simplify the installation structure and will not affect the water pressure in the water pipe, thereby ensuring the spraying effect. Figure 3 As shown, at the connection position between the rear end of the branch water pipe 6 and the main water pipe 5, the branch water pipe 6 and the main water pipe 5 are connected through a cross 10, and a nozzle 7 is installed on one of the interfaces. At the closed end of the main water pipe 5, it is directly connected to the last branch water pipe 6 through a bent tee 11. The nozzle 7 located on the branch water pipe 6 is connected to the branch water pipe 6 through a tee 12.

[0050] In this embodiment, the joint 8 at one end of the main water pipe 5 is preferably a quick joint, which is connected to a connecting water pipe (not shown in the figure) by means of the quick joint, and the other end of the connecting water pipe is connected to a water source. In order to improve the spraying effect, it is more preferred that a pressure boosting device is also connected in series to the connecting water pipe, such as a high-pressure cleaning machine, to increase the pressure of the cleaning water supplied to the main water pipe 5.

[0051] In this embodiment, it is also preferred that the housing 1 of the air conditioning unit includes a cover plate 2, and the main water pipe 5 and the branch water pipe 6 are fixed below the cover plate 2 through a fixing structure, that is, the main water pipe 5 and the branch water pipe 6 are integrated and installed on the cover plate 2, and a notch is provided on one side of the cover plate 2, and one end of the main water pipe 5 extends from the notch to the outside of the air conditioning unit. Among them, the fixing structure can be connected by welding, riveting, bolt connection and other connection structures, and can also be connected by a clamp and other structures.

[0052] In this embodiment, the main water pipe 5 is connected to a high-pressure cleaning machine for providing pressurized water to the cleaning device. By coordinating the flow rate and pressure, one high-pressure cleaning machine can supply water to multiple main water pipes 5 at the same time. After the water pipeline is connected, multiple cleaning devices can clean multiple condensers 3 at the same time, realizing automatic cleaning. Only monitoring personnel are required, and no manual operation is required.

[0053] The working process of the condenser cleaning device is as follows:

[0054] 1. Connect the main water pipe 5 in the cleaning device to the high-pressure cleaning machine through the quick connector 8.

[0055] 2. Start the high-pressure cleaning machine. The pressurized water enters the main water pipe 5, and then further enters the branch water pipes 6. Finally, it is sprayed to the surface of the condenser 3 by the nozzle 7. The water in the spraying process passes through the condenser 3 and is discharged to the outside of the vehicle through the drain outlet at the bottom of the air-conditioning unit.

[0056] 3. The operator regularly checks the cleaning effect. When the cleaning effect reaches the required level, the operator turns off the high-pressure cleaning machine and disconnects the quick connector 8 to complete the entire cleaning process.

[0057] The freezer cleaning device has the following advantages:

[0058] (1) The utility model integrates the condenser cleaning device into the interior of the air-conditioning unit. There is no need to remove the cover of the air-conditioning unit during cleaning, and automatic cleaning can be achieved, saving labor. The operator only needs to check the cleaning status regularly, which can reduce labor intensity and greatly improve cleaning efficiency.

[0059] (2) The utility model is provided with a main water pipe connected to a water source, and a plurality of branch water pipes are provided on the main water pipe. Nozzles are provided on both the main water pipe and the branch water pipes, so that the nozzles are evenly distributed to ensure that the condenser is fully cleaned and the pressure is balanced, which is beneficial to improving the cleaning effect.

[0060] (3) The utility model can realize the cleaning operation of multiple units at the same time by coordinating flow rate and pressure, saving labor and improving cleaning efficiency.

[0061] Embodiment 2:

[0062] like Figure 2 As shown, an air-conditioning unit is provided in this embodiment and is installed on the roof of a rail vehicle. The air-conditioning unit includes a shell 1, which is divided into an indoor cavity and an outdoor cavity by a partition. An evaporator, a blower, etc. are installed in the indoor cavity, and a condenser 3, a condensing fan and a compressor, etc. are installed in the outdoor cavity.

[0063] Two condensers 3 are installed in the outdoor cavity, symmetrically arranged in the width direction, and a condensing fan is installed between the two condensers 3. A removable cover plate 2 is provided on the upper outer shell 1 corresponding to the condenser 3, and a vent is provided on the cover plate 2. The cover plate 2 is removably installed on the outer shell 1 to facilitate daily maintenance and inspection of the components inside the outdoor cavity.

[0064] Corresponding to each condenser 3, a set of condenser cleaning devices 9 as provided in Example 1 is set, and the main water pipes 5 in the two sets of condenser cleaning devices can be connected to a high-pressure cleaning machine at the same time. During the cleaning operation, one high-pressure cleaning machine provides pressurized water for the two sets of cleaning devices.

[0065] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical contents suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A condenser cleaning device, characterized in that: It is placed above the condenser and includes a main water pipe and multiple branch water pipes. The main water pipe is set at a position close to the first side of the condenser and is set along the first side. The branch water pipes extend from the main water pipe to the second side opposite to the first side of the condenser. Nozzles are provided on the main water pipe and the branch water pipes. One end of the main water pipe is closed and the other end extends out of the casing of the air-conditioning unit. A connector for connecting to a water source is provided at the end of the main water pipe.

2. The condenser cleaning device according to claim 1, characterized in that: A plurality of branch water pipes are arranged in parallel, and rear ends of the branch water pipes are vertically connected to the main water pipe.

3. The condenser cleaning device according to claim 2, characterized in that: The branch water pipes are arranged at equal intervals.

4. The condenser cleaning device according to claim 1, characterized in that: The branch water pipe is arranged obliquely relative to the condenser surface, and the distance between the nozzle at the front end of the branch water pipe and the condenser surface is smaller than the distance between the nozzle at the rear end and the condenser surface.

5. The condenser cleaning device according to claim 1, characterized in that: At least one nozzle is respectively arranged at the front end, the middle position and the connection point with the main water pipe of the branch water pipe.

6. The condenser cleaning device according to claim 1, characterized in that: The first side and the second side are two opposite long sides of the condenser. The branch water pipe extends along the width direction of the condenser. The length of the branch water pipe at least covers more than half of the width of the condenser.

7. The condenser cleaning device according to claim 6, characterized in that: The length of the branch water pipe at least covers more than 2 / 3 of the width of the condenser.

8. The condenser cleaning device according to claim 1, characterized in that: A pressure boosting device is arranged on the connecting water pipe connecting the main water pipe with the water source.

9. The condenser cleaning device according to any one of claims 1 to 8, characterized in that: The shell of the air conditioning unit includes a cover plate, the main water pipe and the branch water pipe are fixed below the cover plate through a fixing structure, a notch is provided on one side of the cover plate, and one end of the main water pipe extends from the notch to the outside of the air conditioning unit.

10. An air conditioning unit, characterized in that: The invention comprises one or two condensers, and a condenser cleaning device as claimed in any one of claims 1 to 9 is installed above each condenser.

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