Three-stage cascade type compression refrigeration cycle device
By introducing a cleaning mechanism into the three-stage cascade refrigeration cycle device, and using a blower and vacuum cleaner box combined with a fan gear structure, the problem of dust accumulation is solved, achieving efficient cleaning of dust on the condenser surface and improving refrigeration efficiency.
Patent Information
- Application Number
- CN202520881093.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-05-07
AI Technical Summary
In the three-stage cascade refrigeration structure, dust particles tend to accumulate and deposit during use, affecting refrigeration efficiency, and the existing fan is not effective at cleaning.
A cleaning mechanism has been designed, including a mounting frame, a blower, an air inlet pipe, a blower tube, a vacuum cleaner box, and a brush plate. The blower blows away dust and the vacuum cleaner box absorbs the dust. The combination of a fan wheel and a gear structure improves the cleaning effect.
It effectively cleans the dust on the surface of the condenser, prevents the dust from spreading again, and improves the working efficiency of the refrigeration system.
Smart Images
Figure CN223807421U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of cascade compression refrigeration cycle device, especially to three -level cascade compression refrigeration cycle device. BACKGROUND
[0002] Three -level cascade refrigeration is efficient refrigeration technology, by the big total temperature difference is divided into three sections, each section uses different temperature zone refrigerant, thereby realizing low temperature refrigeration. Three -level cascade refrigeration system is composed of three independent high temperature level, medium temperature level and low temperature level refrigeration cycle, and each level uses different refrigerant and compressor. It is widely used in the occasion needing extremely low temperature, such as scientific research, medical treatment, industry and other fields.
[0003] However, the three -level cascade refrigeration structure in the use process, because its internal structure is relatively complex, and because of the use of electrostatic, lead to its in the use process, various dust particles in air can enter into the refrigeration system along with air, and accumulate and deposit in the system inside. To solve the above problem, the existing three -level cascade refrigeration structure in use, generally adopts the way of installing fan in three -level cascade refrigeration structure to avoid the problem of dust particles accumulation and deposition in the system inside, however, the fan in the use process, although can sweep the dust on the condenser, but its in use: can blow up the dust, make it fly everywhere, and when stopping blowing, dust is not completely discharged, therefore easy to fly again to the system inside, and then influence the cleaning effect in the system.
[0004] Based on this, the utility model provides a kind of novel three -level cascade compression refrigeration cycle device to solve the problems existing in the prior art above. UTILITY MODEL CONTENT
[0005] Therefore, the main purpose of the utility model is to provide three -level cascade compression refrigeration cycle device to solve the problem that traditional three -level cascade refrigeration structure cannot effectively clean dust particles in the system, affect the working efficiency of three -level cascade refrigeration structure.
[0006] To achieve the above purpose, the technical scheme of the utility model is as follows:
[0007] Three -level cascade compression refrigeration cycle device, including refrigeration cycle device main body, further including:
[0008] Cleaning mechanism is arranged on the refrigeration cycle device main body, and includes:
[0009] Mounting frame is arranged on the refrigeration cycle device main body, matched with condenser, and a plurality of filter holes are formed on the front and rear end side walls of the mounting frame;
[0010] The hair dryer is arranged on the mounting frame and communicates with the inner cavity of the mounting frame through the air inlet pipe and the air outlet pipe.
[0011] In a preferred embodiment, the air inlet end of the air inlet pipe communicates with the hair dryer, and the air outlet end communicates with the air outlet pipe.
[0012] In a preferred embodiment, the lower end of the air inlet pipe is arranged with a fan wheel on the inner side, one end of the fan wheel is connected with a first gear, and the first gear is engaged with a second gear arranged on the air outlet pipe.
[0013] In a preferred embodiment, the outer side of the air outlet pipe is further arranged with a fixing block, the fixing block is slidably connected with a brush plate, and the brush plate is matched with the filter hole.
[0014] In a preferred embodiment, the brush plate is arranged with a spring at the opposite end of the fixing block.
[0015] In a preferred embodiment, the inner side of the filter hole is recessed in a horn shape.
[0016] In a preferred embodiment, the inner wall of the mounting frame is arranged with a plurality of movable blocks, and the surface of the movable block is curved in an arc shape.
[0017] In a preferred embodiment, the cleaning mechanism further comprises:
[0018] The dust collector box comprises:
[0019] The dust collector box is arranged in the main body of the refrigeration cycle device, and the dust suction pipe is arranged at the upper end of the dust collector box and matched with the mounting frame.
[0020] The dust collector is arranged on the dust collector box and communicates with the dust collector box.
[0021] In a preferred embodiment, the upper end of the dust collector box is further arranged with a filter screen, and the surface of the dust suction pipe penetrates and extends to the outer side of the filter screen.
[0022] In a preferred embodiment, the filter screen is arranged in a downward inclination in the dust collector box.
[0023] Compared with the prior art, the three-stage cascade compression refrigeration cycle device has the following beneficial effects:
[0024] 1. By arranging the mounting frame and the filter hole, the surface of the condenser is protected, the condenser is protected, and the area of dust in the air adhering to the condenser is reduced.
[0025] 2. Through the setting of the air blower, the air inlet pipe and the air blowing pipe, dynamic blowing of dust attached to the filter holes is realized, thereby avoiding the problem of dust blocking the filter holes and affecting the refrigeration effect of the condenser.
[0026] 3. Through the setting of the dust collector box and the dust suction pipeline, the scattered dust is realized to be adsorbed and collected, compared with the dust scattered everywhere by the air blower, which is easy to cause some dust to fall on the condenser again, and compared with the existing dust scattered everywhere to be adsorbed, the structure reduces the possibility of dust attaching to the filter holes and the condenser again.
[0027] 4. Through the setting of the fan, the first gear and the second gear, the fan is realized to be driven to rotate in the wind flow in the air inlet pipe, thereby enabling the air blowing pipe to blow the filter holes in the rotating process, improving the blowing range of the air blowing pipe and ensuring the cleaning effect of the filter holes. The problem that the traditional three-stage cascade refrigeration structure cannot effectively clean the dust particles in the system and affects the working efficiency of the three-stage cascade refrigeration structure is solved. BRIEF DESCRIPTION OF DRAWINGS
[0028] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor.
[0029] Figure 1 It is a structural schematic view of the three-stage cascade compression refrigeration cycle device of the present application.
[0030] Figure 2 It is a sectional view of the cleaning mechanism of the present application.
[0031] Figure 3 It is an installation effect drawing of the cleaning mechanism of the present application.
[0032] Figure 4 It is an installation effect drawing of the brush plate of the present application.
[0033] Figure 5 It is a sectional view of the installation frame of the present application.
[0034] Figure 6 It is a sectional view of the installation frame of the present application. Figure 5 It is a local enlarged view of A in the present application.
[0035] Figure 7 It is a local enlarged view of B in the present application. Figure 5
[0036]
MAIN COMPONENT SYMBOL DESCRIPTION
[0037] 1. A refrigeration cycle device main body; 11. A condenser;
[0038] 2. A cleaning mechanism; 21. A mounting frame; 22. A blower; 23. A filter hole; 24. An air inlet pipe; 25. A blowing pipe; 26. A dust collector box; 261. A dust collector box; 262. A dust collector; 27. A filter screen; 28. A dust collection pipe; 29. A brush plate; 210. A spring; 211. A second gear; 212. A first gear; 213. A fan wheel; 214. A movable block; 215. A fixed block. DETAILED DESCRIPTION
[0039] The structure of the three-stage cascade compression refrigeration cycle device will be further described in detail below in combination with the drawings and embodiments of the present application.
[0040] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.
[0041] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise, and it should be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a presence of the features, steps, operations, devices, components and / or their combinations.
[0042] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units listed, but can include other steps or units not listed or inherent to these processes, methods, products or devices.
[0043] For the purposes of this description, spatially relative terms such as "beneath", "below", "lower", "above", "upper" and the like can be used to describe one element's or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is inverted, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. The terms "first", "second", "third", etc. do not necessarily indicate an order or sequence unless specifically stated, but rather are used to distinguish one element from another. The terms "coupled" and "connected", along with derivatives thereof, are used broadly and encompass both direct and indirect couplings or connections, as well as unidirectional and bi-directional couplings or connections.
[0044] As shown in the accompanying drawings for the description Figures 1-7 The utility model provides technical schemes:
[0045] Three-stage cascade compression refrigeration cycle device, including refrigeration cycle device main body 1 and the cleaning mechanism 2 installed on refrigeration cycle device main body 1, the cleaning mechanism 2 is arranged on the surface of refrigeration cycle device main body 1, including a plurality of mounting frames 21 fixedly connected on refrigeration cycle device main body 1, a plurality of filter holes 23 are formed on the front and rear end side plates of mounting frame 21, and a blower 22 is fixedly connected to the top of mounting frame 21, and the bottom end of blower 22 is communicated with two air inlet pipes 24;The inside of mounting frame 21 is also rotatably connected with a blowing pipe 25, and the blowing pipe 25 is rotatably connected to the surface of air inlet pipe 24;And a dust collector box 26 is also fixedly connected to the bottom of refrigeration cycle device main body 1, and a dust suction pipe 28 is communicated with the inner upper end of dust collector box 26, and the filter hole 23 is inwardly recessed and forms a horn-shaped structure.
[0046] It should be noted that in the present embodiment, the refrigeration cycle device main body 1 is a prior art, and a heat exchanger, a compressor and an evaporator are provided at the end of the refrigeration cycle device main body 1, the surface of the heat exchanger is provided with an expansion valve, the number of compressors is three, and a condenser 11 is installed in the mounting frame 21, and the pipeline of the condenser 11 penetrates and extends to the outside of the mounting frame 21.
[0047] The use process of the refrigeration cycle device main body 1 includes:
[0048] First stage cycle: low-pressure refrigerant evaporates in the evaporator, absorbing heat. The first compressor compresses the refrigerant vapor to a high-temperature and high-pressure state. The high-temperature and high-pressure refrigerant is cooled and liquefied by the first condenser. The liquid refrigerant is depressurized by the expansion valve and enters the next stage evaporator.
[0049] Second stage cycle: the evaporator of the second stage cycle works at a lower temperature than the first stage, further absorbing heat. The same compression-condensation-expansion-evaporation process.
[0050] Third stage cycle: the evaporator of the third stage cycle works at an even lower temperature, absorbing the heat of the second stage, further reducing the temperature. Each cycle uses a different refrigerant, sequentially reducing the temperature, and ultimately achieving a very low temperature refrigeration method.
[0051] It should be noted that the heat exchanger, compressor, evaporator, condenser, and dust collector in the above description are all mature devices in existing technology. The specific model can be selected according to actual needs. The power supply of the above devices can be built-in power supply or mains power supply. The specific power supply method is selected as appropriate and will not be described here.
[0052] In a preferred embodiment, as shown in Figure 2 The dust collection pipe 28 is fixedly connected to the bracket of the refrigeration cycle device main body 1; the dust collector box 26 includes a dust collection box 261 and a dust collector 262. The bottom of the dust collection box 261 is fixedly connected to the inside of the refrigeration cycle device main body 1, and the surface lower end of the dust collector 262 is fixedly connected to the inner wall upper end of the dust collection box 261. The dust collection box 261 is filled with a liquid, specifically water.
[0053] The surface of the air inlet pipe 24 is fixedly connected with a sealing bearing, and the outer edge of the sealing bearing is fixedly connected with the inner wall of the air blowing pipe 25. Through the arrangement of the sealing bearing, the air inlet pipe 24 and the air blowing pipe 25 can be rotationally connected.
[0054] It should be noted that in this embodiment, the filter hole 23 can filter the air entering the mounting frame 21, thereby preventing dust in the air from adhering to the condenser 11.
[0055] At the same time, when cleaning the dust attached to the filter hole 23 during use, the air blower 22 and the dust collector 262 are turned on. The air blower 22 draws external air into the air inlet pipe 24, and the air in the air inlet pipe 24 is delivered to the air blowing pipe 25. The air blowing pipe 25 is used to blow the filter hole 23, so that the dust attached to the filter hole 23 is dispersed. At this time, the dust collector 262 draws air from the dust collection box 261, forming a negative pressure in the dust collection box 261, and then the dust collection pipe 28 draws the dispersed dust and air into the liquid in the dust collection box 261, so that the dust and air come into contact with the liquid, and the dust is attached to the liquid.
[0056] In a preferred embodiment, as shown in Figure 5As shown, the inner wall lower end of the air inlet pipe 24 is rotatably connected with a wind wheel 213, one end of the wind wheel 213 is fixedly connected with a first gear 212, the surface of the first gear 212 is meshingly connected with a second gear 211, the second gear 211 is fixedly connected to the surface of the air blowing pipe 25; and a fixed block 215 is fixedly connected to the surface of the air blowing pipe 25, a brush plate 29 is slidably connected in the fixed block 215, and the end of the brush plate 29 contacts the inner wall of the filter hole 23.
[0057] As shown in the figure, Figure 5 The opposite end of the brush plate 29 and the fixed block 215 is also fixedly connected with a spring 210, and the inner wall of the mounting frame 21 is also fixedly connected with a plurality of movable blocks 214, and the surface of the movable block 214 is curved in an arc shape.
[0058] It should be noted that in this embodiment, the diameter of the first gear 212 is greater than the diameter of the second gear 211, so that the rotation of the first gear 212 drives the second gear 211 to rotate multiple times, ensuring that the wind wheel 213 can drive the air blowing pipe 25 to rotate in rotation. The specific gear diameter ratio can be selected according to actual needs.
[0059] In use, the air flow in the air inlet pipe 24 pushes the wind wheel 213 to rotate, and the wind wheel 213 rotates to drive the air blowing pipe 25 to rotate through the first gear 212 and the second gear 211, and the air blowing pipe 25 rotates to drive the fixed block 215 and the brush plate 29 to move in a ring shape, so that the air blowing pipe 25 in rotation can fully blow the filter hole 23, and the brush plate 29 in ring-shaped movement can fully scrape the filter hole 23, and the brush plate 29 in ring-shaped movement contacts the surface of the movable block 214, and because the surface of the movable block 214 is curved in an arc shape, when the brush plate 29 passes the movable block 214, the brush plate 29 will move away from the filter hole 23 and press the spring 210, and the elastic force of the spring 210 pushes the brush plate 29 to reset, and then the bristles on the brush plate 29 are inserted into the filter hole 23 to clean the dust attached to the filter hole 23.
[0060] In a preferred embodiment, as shown in the figure, Figure 2 The inner wall upper end of the dust collector box 26 is fixedly connected with a filter screen 27, and the surface of the dust suction pipe 28 penetrates and extends to the outside of the filter screen 27.
[0061] It should be noted that in this embodiment, the filter screen 27 is arranged inclined downward in the dust collector box 26, so that during the water injection process, the clean water can flow downward on the filter screen 27.
[0062] The three-stage cascade compression refrigeration cycle device in use: open the hair dryer 22 and dust collector box 26, the hair dryer 22 extracts the air outside to be transported into the air inlet pipe 24, the air flow in the air inlet pipe 24 pushes the wind wheel 213 to rotate, and then the blowing pipe 25 rotates and drives the fixed block 215 and the brush plate 29 to move in a ring, the air in the air inlet pipe 24 is transported into the blowing pipe 25, the blowing pipe 25 in rotation is blown to the filter hole 23, the brush plate 29 in ring movement is scraped to the filter hole 23, the brush plate 29 in ring movement contacts the surface of the movable block 214, which will move away from the filter hole 23 and press the spring 210, the elastic force of the spring 210 pushes the brush plate 29 to reset and makes the bristles on the brush plate 29 inserted into the filter hole 23, the dust attached to the filter hole 23 is cleaned, the dust attached to the filter hole 23 is scattered, at this time the air in the dust collector box 26 is discharged, the negative pressure is formed in the dust collector box 26, and then the dust collector pipe 28 extracts the scattered dust and air to be transported into the liquid in the dust collector box 26, so that the dust and air are in contact with the liquid, and then the dust is attached to the liquid.
[0063] It should be noted that the above description of the refrigeration cycle device main body 1, the condenser 11, the hair dryer 22, the dust collector 262 and the like are all mature devices in the prior art, and the specific model can be selected according to the actual needs, and the power supply of the refrigeration cycle device main body 1, the hair dryer 22 and the dust collector 262 can be built-in power supply or mains power supply, and the specific power supply mode is selected as the case may be, which will not be repeated here.
[0064] The above is only a preferred embodiment of the present application, and is not intended to limit the scope of protection of the present application.
Claims
1. A three-stage cascade compression refrigeration cycle apparatus comprising a refrigeration cycle apparatus main body (1), characterized by: Also include: Cleaning mechanism (2) is arranged on the refrigeration cycle device body (1), including: Mounting frame (21) is arranged on the refrigeration cycle device body (1), matched with condenser (11), and a plurality of filter holes (23) are arranged on the front and rear end sides of the mounting frame (21). Blower (22) is arranged on the mounting frame (21), and the inner cavity of the mounting frame (21) is communicated with the blower (22) through the air inlet pipe (24) and the blowing pipe (25).
2. The three-level cascade compression refrigeration cycle apparatus according to claim 1, characterized by: The air inlet end of the air inlet pipe (24) is communicated with the blower (22), the air outlet end is communicated with the blowing pipe (25), and the blowing pipe (25) is rotatably connected with the air inlet pipe (24).
3. The three-level cascade compression refrigeration cycle apparatus according to claim 1, characterized by: The lower end of the air inlet pipe (24) is rotatably provided with a wind wheel (213), one end of the wind wheel (213) is connected with a first gear (212), and the first gear (212) is meshed with a second gear (211) arranged on the blowing pipe (25).
4. The three-level cascade compression refrigeration cycle apparatus according to claim 1, characterized by: The outer side of the blowing pipe (25) is further provided with a fixed block (215), the fixed block (215) is slidably connected with a brush plate (29), and the brush plate (29) is matched with the filter hole (23).
5. The three-level cascade compression refrigeration cycle apparatus according to claim 4, characterized by: The opposite end of the brush plate (29) and the fixed block (215) is provided with a spring (210).
6. The three-level cascade compression refrigeration cycle apparatus according to claim 1, characterized by: The inside of the filter hole (23) is recessed in a horn shape.
7. The three-level cascade compression refrigeration cycle apparatus according to claim 1, characterized by: A plurality of movable blocks (214) are arranged on the inner wall of the mounting frame (21), and the surface of the movable block (214) is curved in an arc shape.
8. The three-level cascade compression refrigeration cycle apparatus according to claim 1, characterized by: The cleaning mechanism (2) further includes: Dust collector box (26) includes: Dust suction box (261) is arranged in the refrigeration cycle device body (1), and a dust suction pipeline (28) is arranged on the upper end of the dust suction box (261), the dust suction pipeline (28) is matched with the mounting frame (21); Dust collector (262) is arranged on the dust suction box (261) and communicated with the dust suction box (261).
9. The three-level cascade compression refrigeration cycle apparatus according to claim 8, characterized by: The upper end of the dust collector box (26) is further provided with a filter screen (27), and the surface of the dust suction pipeline (28) penetrates and extends to the outside of the filter screen (27).
10. The three-level cascade compression refrigeration cycle apparatus according to claim 9, characterized by: The filter screen (27) is arranged inclined downward in the dust collector box (26).