Self-cleaning air-cooled condensing unit
By monitoring temperature differences through an electronic control system, the condenser fins are automatically cleaned. Combined with a collection component and an opening/closing component, the problem of fin contamination in air-cooled condenser units is solved, achieving a highly efficient and energy-saving self-cleaning effect and improving the stability and safety of unit operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINAN BAIFU REFRIGERATION EQUIP CO LTD
- Filing Date
- 2025-08-07
- Publication Date
- 2026-07-31
AI Technical Summary
After prolonged operation, existing air-cooled condensing units tend to accumulate dust and other contaminants on their condenser fins, leading to increased condensing pressure and power consumption. Furthermore, manual cleaning is difficult and prone to damage.
An electronic control system monitors the difference between the condensing temperature and the ambient temperature, automatically controls the condensing motor to reverse and clean the fins, and uses a collection component to collect debris. Combined with the opening and closing components, this ensures the smooth operation of cleaning and condensation.
It achieves automated cleaning, reduces labor costs, improves the stability and safety of unit operation, reduces energy consumption, and maintains efficient condensation.
Smart Images
Figure CN224580497U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of condenser cleaning technology, and particularly relates to a self-cleaning air-cooled condenser unit. Background Technology
[0002] In existing refrigeration units, after prolonged operation, a large amount of dust, willow catkins, poplar fluff, leaves, and other dirt accumulates on the rear of the condenser fins, obstructing airflow and heat exchange. This leads to increased condensing pressure and higher compressor power consumption. Regular cleaning of the condenser fins is necessary, which is extremely wasteful of manpower and resources. Furthermore, cleaning the condenser fins requires highly skilled operators and is prone to damage and refrigerant leaks. Utility Model Content
[0003] This utility model addresses the aforementioned technical problems by proposing a self-cleaning air-cooled condensing unit that is rationally designed, simple in structure, easy to process, and capable of monitoring the condenser fins for dirt and clogging using temperature detection. It also utilizes the reverse rotation of the condenser fan to backflush and collect the dirt and debris, saving the time and cost of manual condenser cleaning and improving the stability and safety of the unit's operation.
[0004] To achieve the above objectives, the present invention adopts a self-cleaning air-cooled condensing unit, comprising a condensing unit body, the condensing unit body including a cover, characterized in that the condensing unit is arranged on the lower side of the cover body, an electrical control box is arranged above the condensing unit, a condensing fan is arranged at the front of the other side of the cover body, a condensing motor is arranged behind the condensing fan, condensing fins are arranged behind the condensing motor, a condensing temperature sensor is arranged above the condensing unit, an ambient temperature sensor is arranged behind the condensing fins, and a collection component is arranged on the cover body located behind the condensing fins.
[0005] Preferably, the collecting assembly includes a housing, a rotating shaft is transversely arranged inside the housing, a key-shaped partition is arranged on the outside of the rotating shaft, a key-shaped connecting plate is arranged on one side of each of the multiple rotating shafts, a lifting plate is arranged on one side of the connecting plate, a first driving cylinder is arranged above the lifting plate and its output end is connected to the lifting plate, and baffles are arranged on both the upper and lower sides inside the housing.
[0006] Preferably, a collection cover is provided at the bottom of the housing and is connected to the inside of the housing, and an opening and closing component is provided on the lower side of the bottommost partition.
[0007] Preferably, the opening and closing assembly includes a rotating rod disposed on one side of the housing, rotating rods disposed on both sides of the rotating rod and extending from one side of the housing to the other side of the housing, a rotating plate disposed on the outer side of the rotating rod, the two rotating plates being staggered, an adjusting rod disposed on the outer side of the rotating rod, a connecting rod disposed on the outer side of the rotating rod, a connecting rod disposed between one end of the connecting rod and the adjusting rod, and a horizontally disposed second drive cylinder disposed at the lower end of the adjusting rod.
[0008] Compared with the prior art, the advantages and positive effects of this utility model are as follows: This utility model provides a self-cleaning air-cooled condensing unit. The unit's electrical control system, located in the control box, works in conjunction with the condensing motor to complete the self-cleaning of the condenser fins within the unit. The unit includes a condensing temperature sensor T1, an ambient temperature sensor T2, and a condensing motor. The system determines the temperature difference between the condensing temperature T1 and the ambient temperature T2 by a value ΔT. If ΔT > 10K, after the air-cooled condensing unit finishes cooling and stops, the condensing motor reverses to blow away dirt from the condenser. If ΔT < 10K, the air-cooled condensing unit does not perform self-cleaning after stopping. This novel air-cooled condensing unit has a built-in condenser fin cleaning function, enabling the unit to operate with better condensing effect and maintain a more reasonable condensing pressure, resulting in more efficient and energy-saving operation. It is effective and saves the trouble of manually cleaning the condenser; it improves the stability and safety of unit operation; the collection components, with their open and closed states, can be adapted to both condensation and cleaning operations. The open and closed state ensures smooth condensation, while the closed state provides convenient conditions for guiding and collecting the cleaned debris, ensuring its cleanliness and meeting usage requirements; the device is reasonably designed, simple in structure, and easy to manufacture. It can monitor the condenser fins for dirt and clogging using temperature detection, and use the reverse rotation of the condenser fan to backflush and collect the dirt and debris, saving the time and cost of manual condenser cleaning and improving the stability and safety of unit operation. Attached Figure Description
[0009] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0010] Figure 1 A front view of the internal structure of a self-cleaning air-cooled condensing unit; Figure 2 A top view of part of the internal structure of a self-cleaning air-cooled condensing unit; Figure 3 This is a schematic diagram of the structure of a self-cleaning air-cooled condensing unit; Figure 4 A schematic diagram of a self-cleaning air-cooled condensing unit from another perspective; Figure 5 A schematic diagram of part of the internal structure of the collection component; Figure 6 This is a partial structural diagram of the opening and closing component; Figure 7 A bottom view of part of the opening and closing component structure; In the above figures, 1. Cover; 2. Condensing unit; 3. Electrical control box; 4. Condensing fan; 41. Condensing motor; 5. Condensing fins; 6. Condensing temperature sensor; 7. Ambient temperature sensor; 8. Collection assembly; 81. Housing; 82. Rotating shaft; 83. Partition; 84. Connecting plate; 85. Lifting plate; 86. First drive cylinder; 87. Baffle; 9. Collection cover; 10. Opening and closing assembly; 101. Rotating rod; 102. Rotating rod; 103. Rotating plate; 104. Adjusting rod; 105. Connecting rod; 106. Connecting rod; 107. Second drive cylinder. Detailed Implementation
[0011] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0012] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0013] Examples, such as Figures 1-7As shown, a self-cleaning air-cooled condensing unit 2 includes a condensing unit body, which includes a housing 1. The condensing unit 2 is located on the lower side of the housing 1, and an electrical control box 3 is located above the condensing unit 2. The installation of the above-mentioned devices are all existing mature and conventional technologies, and their specific working principles and methods will not be elaborated further. It should be further explained that the electrical control box 3 contains an electrical control system acquisition unit, such as an Autonics TMH2-22RE multi-channel temperature controller, which receives two sets of temperature signals and compares them, thereby acting on the motor to achieve forward and reverse switching. Of course, there are other modules with the same function, which will not be elaborated here. The electrical control system acquisition unit mentioned in this embodiment achieves power system control by receiving signals. This technology is also an existing conventional method, and its specific working principle will not be elaborated further. A condensing fan 4 is located at the front of the other side of the housing 1, and a condensing motor 41 is located behind the condensing fan 4. A condenser fin 5 is installed on the side, a condenser temperature sensor 6 is installed above the condenser unit 2, and an ambient temperature sensor 7 is installed behind the condenser fin 5. Specifically, the electrical control system collects the temperature signal T1 detected by the condenser temperature sensor 6 and the temperature signal T2 detected by the ambient temperature sensor 7, and is electrically connected to the condenser motor 41. The unit contains the condenser temperature sensor 6T1, the ambient temperature sensor 7T2, and the condenser motor 41. The electrical control system collects the difference ΔT between the condenser temperature T1 and the ambient temperature T2; if ΔT... If the temperature difference is greater than 10K, after the air-cooled condensing unit 2 has finished cooling and stopped, the condensing motor 41 reverses to blow away dirt from the condenser. If ΔT < 10K, the air-cooled condensing unit 2 does not perform self-cleaning after stopping. Of course, the comparison standard for the temperature difference ΔT mentioned above is limited by the specifications of different condenser units. For example, in this industry, there are two standards for judging temperature difference in air-cooled condensing units: 8K and 10K. Depending on the model of the condenser, the judgment standard of the electronic control system can be customized. This type of air-cooled condensing unit 2 uses the electronic control system to collect the condensing temperature during unit operation. The temperature difference between the condenser and ambient temperatures is used to determine if there is dirt or blockage on the condenser fins. After the unit finishes running, the condenser motor 41 reverses, turning the air intake into exhaust air, blowing away the dirt behind the condenser fins. This solution uses automation to solve the problems of manual cleaning of condenser fins and high energy consumption in traditional air-cooled condenser units 2. It saves labor costs for cleaning and solves the problem of high energy consumption during unit operation. At the same time, it enables the condenser to have a built-in condenser fin cleaning function, allowing the unit to operate with better condensation effect and maintain a more reasonable condensation pressure, making the unit more efficient and energy-saving. It also saves the trouble of manually cleaning the condenser and improves the stability and safety of the unit operation. A collection component 8 is installed on the cover 1 located behind the condenser fins 5. In the above process: the unit's electrical control in the electrical control box 3 works in conjunction with the condenser motor 41 to complete the self-cleaning of the condenser fins 5 inside the unit; the unit contains a condenser temperature sensor 6T1, an ambient temperature sensor 7T2, and a condenser motor 41. By judging that the difference between the condenser temperature T1 and the ambient temperature T2 is only ΔT; if ΔT > 10K, after the air-cooled condenser unit 2 has finished cooling and stopped, the condenser motor 41 reverses to blow away the dirt on the condenser; if ΔT < 10K, the air-cooled condenser unit 2 does not perform self-cleaning after stopping. This new type of air-cooled condenser unit 2 has a built-in function to clean the condenser fins, enabling the unit to operate with better condensation effect and maintain a more reasonable condensation pressure, making the unit more efficient and energy-saving. This device eliminates the hassle of manual condenser cleaning, improves the stability and safety of unit operation, and utilizes the collection component 8. Its open and closed states allow for seamless switching between condensation and cleaning operations. The open and closed state ensures smooth condensation, while the closed state facilitates the collection of cleaned debris, maintaining cleanliness and meeting usage requirements. The device is rationally designed, simple in structure, and easy to manufacture. It can monitor condenser fin blockage using temperature detection and utilize the reverse rotation of the condenser fan 4 to backflush and collect the blockage, saving time and improving the stability and safety of unit operation.
[0014] To ensure smooth condensation and cleaning operations, the collection assembly 8 includes a housing 81. A rotating shaft 82 is transversely arranged within the housing. A key-shaped partition 83 is located on the outer side of the rotating shaft 82. A key-shaped connecting plate 84 is located on one side of each of the rotating shafts 82. A lifting plate 85 is located on one side of the connecting plate 84. A first drive cylinder 86 is located above the lifting plate 85, and its output end is connected to the lifting plate 85. Baffles 87 are located on both the upper and lower sides of the housing 81. The collection assembly 8 has two states: open and closed. Figure 5The diagram shows the closed state, in which self-cleaning is in operation. In this state, multiple baffles 83 are positioned from top to bottom. The condenser motor 41 drives the condenser fan 4 to backflush, causing debris to be blown off the condenser fins 5 and then falling downwards due to the baffles 83, where it is collected. When self-cleaning is complete and condensation is required, the first drive cylinder 86 is activated. Its contraction acts on the lifting plate 85, causing it to rise vertically and act on the connecting plate 84. The rotation of the connecting plate 84 drives the rotating shaft 82, causing it to rotate and thus rotating the baffles 83. Multiple baffles 83 move toward a position closer to the horizontal. The gap between two adjacent baffles 83 provides convenient conditions for subsequent condensation work, meeting the usage requirements. It should be further explained that the rotating shaft 82, baffles 83 and connecting plate 84 are fixedly connected, while the connection between connecting plate 84 and lifting plate 85 is movable. In this way, when the lifting plate 85 moves vertically up and down, the driving power can be smoothly transmitted. Of course, when changing from the open state to the closed state, the first driving cylinder 86 is controlled to extend, driving the lifting plate 85 to descend, thereby closing the baffles 83 and preventing debris from overflowing during the cleaning process.
[0015] To ensure the cleanliness of the equipment area, a collection cover 9 is installed below the housing 81 and is connected to the interior of the housing 81. The collection cover 9 can be installed below the cover 1 using a snap-fit method or a drawer-like sliding connection. It is used to collect debris blown off the condenser fins 5 by the reverse rotation of the condenser motor 41, facilitating centralized collection and processing, ensuring the cleanliness of the equipment location, and improving the safety of equipment use. An opening and closing assembly 10 is installed on the lower side of the bottom partition 83. For component 10, when it is closed, the collecting component 8 is also open, and the condenser body carries out condensation work normally. When the collecting component 8 is closed and the collecting component 10 is open, the condensing motor 41 reverses and drives the condensing fan 4 to blow back, and the debris on the condensing fins 5 is blown down. Due to the closed state of the collecting component 8, the debris will fall into the collecting cover 9. This can both clean up the debris and collect it, ensuring the safety of the device during operation and use, improving its cleanliness, and meeting the usage requirements.
[0016] To further improve the rationality of the device setup, especially to ensure the smooth operation of debris collection, the opening / closing assembly 10 includes a rotating rod 101 located on one side of the housing 81. Rotating rods 102 are located on both sides of the rotating rod 101, extending from one side of the housing 81 to the other. A rotating plate 103 is located on the outer side of the rotating rod 102, with the two rotating plates 103 staggered. An adjusting rod 104 is located on the outer side of the rotating rod 101, and a connecting rod 105 is located on the outer side of the rotating rod 102. A connecting rod 106 is connected between one end of the connecting rod 105 and the adjusting rod 104. A horizontally positioned second drive cylinder 107 is located at the lower end of the adjusting rod 104. Specifically, when the device performs cleaning work, the collection assembly 8 closes, simultaneously controlling the opening / closing assembly 10 to open, which in turn controls the operation of the second drive cylinder 107. Its retraction drives the adjusting rod. Rotating 104 moves away from the cover 1. During rotation, the connecting rod 106 transmits the driving power to the rotating rod 101. The rear rotating rod 101 rotates counterclockwise, causing the rotating plate 103 to rotate upward. When it reaches its maximum position, it blocks the lower side of the condenser fins 5 to a certain extent, preventing debris from entering and causing secondary pollution. The front rotating rod 101 rotates counterclockwise, causing the rotating plate 103 on it to rotate downward. When it reaches its maximum position, it extends into the collection cover 9. At this time, the gap between the two rotating plates 103 forms a channel for debris to enter the collection cover 9, providing convenient conditions for the collection of debris. At the same time, the rear rotating plate 103 can play a certain blocking role to ensure that debris can smoothly enter the collection cover 9 to meet the usage requirements.
[0017] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A self-cleaning air-cooled condensing unit comprising a condensing unit body including a shroud, characterized in that, A condensing unit is installed on the lower side of the enclosure, and an electrical control box is installed above the condensing unit. A condensing fan is installed at the front of the other side of the enclosure, a condensing motor is installed behind the condensing fan, and condensing fins are installed behind the condensing motor. A condensing temperature sensor is installed above the condensing unit, and an ambient temperature sensor is installed behind the condensing fins. A collection assembly is installed on the enclosure behind the condensing fins.
2. The self-cleaning air-cooled condensing unit of claim 1, wherein, The collecting assembly includes a housing, a rotating shaft spanning across the housing, a key-shaped partition on the outside of the rotating shaft, a key-shaped connecting plate on one side of each of the multiple rotating shafts, a lifting plate on one side of the connecting plate, a first driving cylinder above the lifting plate with its output end connected to the lifting plate, and baffles on both the upper and lower sides of the housing.
3. The self-cleaning air-cooled condensing unit of claim 2, wherein, A collection cover is provided at the bottom of the housing and is connected to the inside of the housing. An opening and closing assembly is provided on the lower side of the bottommost partition.
4. The self-cleaning air-cooled condensing unit of claim 3, wherein, The opening and closing assembly includes a rotating rod disposed on one side of the housing, rotating rods disposed on both sides of the rotating rod and extending from one side of the housing to the other side of the housing, a rotating plate disposed on the outer side of the rotating rod, the two rotating plates being staggered, an adjusting rod disposed on the outer side of the rotating rod, a connecting rod disposed on the outer side of the rotating rod, a connecting rod disposed between one end of the connecting rod and the adjusting rod, and a horizontally disposed second drive cylinder disposed at the lower end of the adjusting rod.