Defrosting chassis of air-cooled heat pump
By introducing a filter mechanism and a heating fan structure into the defrosting chassis of the air-cooled heat pump, the problems of impurity blockage and low defrosting efficiency are solved, achieving efficient defrosting and energy-saving effects.
Patent Information
- Application Number
- CN202423284565.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing air-cooled heat pump defrosting chassis are prone to clogging, and the accumulation of impurities leads to poor drainage. Furthermore, the defrosting efficiency is low and the process is time-consuming, affecting the performance and cost.
A defrosting chassis for an air-cooled heat pump was designed, comprising a filtration mechanism, a heating component, and a fan structure. Impurities are intercepted by the filter, and the heating component and fan structure work together to achieve rapid defrosting.
It effectively prevents impurities from entering the drainage system, ensures smooth drainage, shortens defrosting time, improves heating efficiency, reduces energy consumption, and enhances ease of use.
Smart Images

Figure CN223580306U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air-cooled heat pump defrosting chassis technical field, especially air-cooled heat pump defrosting chassis. BACKGROUND
[0002] Air-cooled heat pump defrosting chassis is a key component in air-cooled heat pump system, and is mainly located at the bottom of outdoor unit. Its function is to collect and process the frost water melted from the surface of heat exchanger during defrosting process.
[0003] The existing air-cooled heat pump water chiller usually defrosts by driving the relatively high-temperature refrigerant through the frost-prone air-side heat exchanger pipeline in a reverse circulation manner. The defrosting time and effect are difficult to control and guarantee according to the different external temperatures in the defrosting mode in the related art, resulting in high energy consumption for defrosting and high operation and use cost.
[0004] The existing patent (publication number: CN216977235U) discloses an air-cooled heat pump unit defrosting mechanism, which comprises: a shell body, mainly serving to install and protect the device, the left and right sides of the shell body are symmetrically provided with side ventilation nets, and the front side of the shell body is provided with a front ventilation net; an air-cooled heat pump unit installed inside the shell body; a defrosting mechanism arranged at the top end of the shell body. This air-cooled heat pump unit defrosting mechanism adopts a novel structure design, blows the external air into the air-cooled heat pump unit through the defrosting mechanism, heats the air at the same time, effectively increases the temperature of the condenser pipe of the air-cooled heat pump unit, and achieves the purpose of defrosting the air-cooled heat pump unit. The hot air can be filtered at the same time to prevent the dust accumulation speed of the air-cooled heat pump unit from increasing.
[0005] To solve the above problems, the existing patent provides a solution. However, the existing air-cooled heat pump defrosting chassis is prone to blockage during use. Impurities such as silt, rust, and microbial debris in water can gradually accumulate during long-term discharge of frost water, causing blockage of the drain pipe, preventing normal discharge of frost water, and causing water accumulation in the chassis. During defrosting, the frost layer is mostly simply melted slowly by the natural ambient temperature recovery, or the inefficient reverse circulation defrosting method is used. These defrosting processes are time-consuming and inconvenient for users to use.
[0006] Therefore, an air-cooled heat pump defrosting chassis is proposed. Utility model content
[0007] The utility model discloses a purpose at, provide a kind of air-cooled heat pump defrosting chassis, can solve the air-cooled heat pump defrosting chassis of existing in use Easy to appear the situation of blockage, impurities such as silt, rust, microbial debris in water gradually accumulated in long-term discharge process with frost water, cause drain pipeline blockage, make frost water cannot be normally discharged, further cause chassis ponding, and when defrosting, most simply rely on natural environment temperature to return to slow thaw frost layer, or adopt inefficient reverse cycle defrosting method, these defrosting process time-consuming is longer, inconvenient for user to use Problem.
[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: an air-cooled heat pump defrosting chassis, including chassis component, the top of the chassis component is provided with unit structure, the front side and the back side of the chassis component are provided with slide bar, the top of the slide bar is provided with defrosting box, the inner wall of the defrosting box is hinged with heating assembly, the inner wall of the defrosting box is provided with fan structure, the inner wall of the chassis component is connected with filter mechanism, the left side of the chassis component is fixedly connected with drainage component;
[0009] The filter mechanism includes a filter screen, a handle assembly and a movable rack, the surface of the filter screen is fixedly connected with the inner wall of the movable rack, the bottom of the handle assembly is hinged with the top of the movable rack, and the surface of the movable rack is inserted with the inner wall of the chassis component.
[0010] Preferably, the surface of the slide bar is hinged with a connecting block, and the side close to the chassis component of the connecting block is hinged with the chassis component.
[0011] Preferably, the side away from the unit structure of the defrosting box is hinged with a mounting plate, and the inner wall of the mounting plate is hinged with a wind box.
[0012] Preferably, the inner wall of the wind box is hinged with the surface of the fan structure, and the side away from the heating assembly of the wind box is hinged with a protective net assembly.
[0013] Preferably, the heating assembly includes a mounting bracket and a heating rack, the surface of the heating rack is hinged with the inner wall of the mounting bracket, and the surface of the mounting bracket is hinged with the inner wall of the defrosting box.
[0014] Preferably, the surface of the slide bar is slidingly connected with a sliding block, and the top of the sliding block is hinged with a sliding plate.
[0015] Preferably, the side close to the sliding plate of the defrosting box is hinged with the sliding plate, and the inner wall of the sliding block is provided with a sliding hole matched with the slide bar.
[0016] Preferably, the top of the drainage component is provided with a drain pipe, and the right side of the drain pipe is fixedly communicated with the left side of the chassis component.
[0017] Preferably, the inner wall of the bottom plate assembly is inserted with a filter cartridge, the surface of the filter cartridge is bolted with a clamping block, and the left side of the clamping block is in contact with the inner wall of the bottom plate assembly.
[0018] Preferably, the surface of the drainage assembly is provided with a first check valve, and the surface of the drain pipe is provided with a second check valve.
[0019] Compared with the prior art, the air-cooled heat pump defrosting bottom plate has the beneficial effects that:
[0020] 1. The filter mechanism is arranged, the filter screen, the movable frame and the handle assembly are installed at the position close to the drain port during use, impurities in water flow are effectively intercepted, the impurities are prevented from entering the drainage assembly, smooth drainage is ensured, the risk of drainage failure is reduced, and the operator can easily take out and clean, and the best filtering efficiency is maintained.
[0021] 2. The heating assembly is arranged, the heating assembly cooperates with the defrosting box and the fan structure to facilitate efficient defrosting work, the heating assembly generates heat in the defrosting box, and the fan structure promotes the formation of rapid dehumidification of hot air on both sides of the unit structure, thereby greatly shortening the time required for defrosting, and effectively improving the heating efficiency of the air-cooled heat pump. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a whole structure diagram of the air-cooled heat pump defrosting bottom plate.
[0023] Figure 2 It is a structure diagram of the connecting block.
[0024] Figure 3 It is a structure diagram of the heating assembly.
[0025] Figure 4 It is a structure diagram of the air box.
[0026] Figure 5 It is a structure diagram of the filter mechanism.
[0027] Figure 6 It is a structure diagram of the filter cartridge.
[0028] In the drawings, 1 is a bottom plate assembly, 2 is a filter mechanism, 201 is a filter screen, 202 is a handle assembly, 203 is a movable frame, 3 is a heating assembly, 301 is a mounting frame, 302 is a heating frame, 4 is a unit structure, 5 is a sliding rod, 6 is a defrosting box, 7 is a fan structure, 8 is a drainage assembly, 9 is a connecting block, 10 is a mounting plate, 11 is an air box, 12 is a protective screen assembly, 13 is a sliding block, 14 is a sliding plate, 15 is a sliding hole, 16 is a drain pipe, 17 is a filter cartridge, 18 is a clamping block, 19 is a first check valve, and 20 is a second check valve. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0030] Please refer to Figures 1-6 The utility model provides technical schemes:
[0031] A kind of air-cooled heat pump defrosting chassis, including chassis component 1, the top of chassis component 1 is provided with unit structure 4, the front side and rear side of chassis component 1 are provided with slide bar 5, the top of slide bar 5 is provided with defrosting box 6, heating assembly 3 is connected with the inner wall of defrosting box 6, fan structure 7 is provided in the inner wall of defrosting box 6, filter mechanism 2 is clamped in the inner wall of chassis component 1, drainage assembly 8 is fixedly connected in the left side of chassis component 1;
[0032] Filter mechanism 2 includes filter screen 201, handle assembly 202 and movable frame 203, the surface of filter screen 201 is fixedly connected with the inner wall of movable frame 203, the bottom of handle assembly 202 is connected with the top of movable frame 203, the surface of movable frame 203 is inserted with the inner wall of chassis component 1.
[0033] In the embodiment: by setting filter mechanism 2, filter screen 201, movable frame 203 and handle assembly 202 are installed in the position close to drain port when using, can capture and block all kinds of impurities in water flow, prevent impurities from entering drainage assembly 8, guarantee long-term unobstructedness of drainage line, reduce the failure rate of drainage caused by impurity accumulation, at the same time, the convenient insertion of movable frame 203 and the setting of handle assembly 202 enable operating personnel to easily take out filter mechanism 2 for cleaning, ensure that filtering effect is in the best state, by setting heating assembly 3, heating assembly 3 cooperates with defrosting box 6 and fan structure 7, and high efficiency and stability are brought to defrosting work, heating assembly 3 generates heat in defrosting box 6, and fan structure 7 promotes hot air to form rapid dehumidification on both sides of unit structure 4, greatly shortens the time required for defrosting, thereby effectively improving the heating efficiency of air-cooled heat pump, reducing energy consumption, and improving energy utilization.
[0034] Specifically, as shown in Figure 2 The surface of slide bar 5 is connected with connecting block 9, and one side of connecting block 9 close to chassis component 1 is connected with chassis component 1.
[0035] Specifically, as shown in Figure 3As shown in the figure, the defrosting box 6 is bolted with a mounting plate 10 away from one side of the unit structure 4, and the inner wall of the mounting plate 10 is bolted with a wind box 11.
[0036] Specifically, as shown in the figure, Figure 4 The inner wall of the wind box 11 is bolted with the surface of the fan structure 7, and the wind box 11 is bolted with a protective net assembly 12 away from one side of the heating assembly 3.
[0037] In this embodiment: the position of the sliding rod 5 and the connecting block 9 is fixed, the position of the connecting block 9 and the bottom plate assembly 1 is fixed, the connection stability of the sliding rod 5 is strengthened, and the stability of the defrosting operation is ensured when the defrosting box 6 moves on the top of the sliding rod 5 without shaking or displacement, which guarantees the stability of the defrosting operation. Then, through the setting of the mounting plate 10 and the wind box 11, a stable installation space is provided for the fan structure 7, the protective net assembly 12 effectively prevents foreign matters from entering the wind box 11 to damage the fan structure 7, ensures the stable operation of the fan structure 7, and makes the hot air continuously and stably blow to the unit structure 4, accelerates the dehumidification and defrosting process, and improves the defrosting efficiency.
[0038] Specifically, as shown in the figure, Figure 3 The heating assembly 3 includes a mounting frame 301 and a heating frame 302, the surface of the heating frame 302 is bolted with the inner wall of the mounting frame 301, and the surface of the mounting frame 301 is bolted with the inner wall of the defrosting box 6.
[0039] Specifically, as shown in the figure, Figure 2 The surface of the sliding rod 5 is slidingly connected with a sliding block 13, and the top of the sliding block 13 is bolted with a sliding plate 14.
[0040] In this embodiment: the heating frame 302 is stably connected with the defrosting box 6 through the mounting frame 301, which guarantees the safety and stability of the heating frame 302 during operation, ensures that the heat is evenly and stably emitted into the defrosting box 6, and facilitates subsequent output by the fan structure 7, so that the fan structure 7 blows hot air to the unit structure 4. Then, through the position fixation of the sliding block 13 and the sliding plate 14, the position of the defrosting box 6 is conveniently adjusted.
[0041] Specifically, as shown in the figure, Figure 2 The side of the defrosting box 6 close to the sliding plate 14 is bolted with the sliding plate 14, and the inner wall of the sliding block 13 is provided with a sliding hole 15 used in cooperation with the sliding rod 5.
[0042] Specifically, as shown in the figure, Figure 5 The top of the drainage assembly 8 is provided with a drainage pipe 16, and the right side of the drainage pipe 16 is fixedly communicated with the left side of the bottom plate assembly 1.
[0043] Specifically, as shown in the figure, Figure 6As shown, the inner wall of the chassis assembly 1 is inserted with the filter cylinder 17, the surface of the filter cylinder 17 is bolted with the clamping block 18, and the left side of the clamping block 18 is in contact with the inner wall of the chassis assembly 1.
[0044] Specifically, as shown, Figure 5 As shown, the surface of the drainage assembly 8 is provided with the first check valve 19, and the surface of the drainage pipe 16 is provided with the second check valve 20.
[0045] In this embodiment: the provision of the drainage pipe 16 provides redundancy protection for the drainage assembly 8, when the drainage assembly 8 is blocked or fails, the drainage pipe 16 can timely undertake the drainage task, prevent the chassis from accumulating water, ensure the normal operation of the unit structure 4, reduce the risk of damage to the unit structure 4 caused by drainage problems, the design of the filter cylinder 17 and its clamping block 18 further enhances the impurity filtering capacity, effectively intercepts small impurities, prevents them from entering the drainage assembly 8 and causing blockage, prolongs the maintenance period of the drainage system, the installation of the first check valve 19 and the second check valve 20 avoids the backflow phenomenon during the drainage process, prevents sewage from flowing back to the chassis and polluting the unit structure 4, and also prevents external water sources from flowing into the chassis assembly 1.
[0046] Working principle: during the use of the chassis assembly 1, by setting the filter mechanism 2, the filter screen 201, the movable frame 203 and the handle assembly 202 are installed near the drainage port during use, which can capture and block various impurities in the water flow, prevent impurities from entering the drainage assembly 8, ensure the long-term smoothness of the drainage line, reduce the incidence of drainage failures caused by impurity accumulation, at the same time, the convenient plug-in setting of the movable frame 203 and the setting of the handle assembly 202 enable the operator to easily remove the filter mechanism 2 for cleaning, ensuring that the filtering effect is in the best state, by setting the heating assembly 3, the heating assembly 3 cooperates with the defrosting box 6 and the fan structure 7 to bring efficiency and stability to the defrosting work, the heating assembly 3 generates heat in the defrosting box 6, and the fan structure 7 promotes the rapid dehumidification of hot air on both sides of the unit structure 4, greatly shortening the time required for defrosting, thereby effectively improving the heating efficiency of the air-cooled heat pump, reducing energy consumption, and improving energy utilization.
[0047] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An air-cooled heat pump defrosting tray comprising a tray assembly (1), characterized in that: The top of the chassis assembly (1) is provided with a unit structure (4), the front side and the rear side of the chassis assembly (1) are provided with slide bars (5), the top of the slide bar (5) is provided with a defrosting box (6), the inner wall of the defrosting box (6) is bolted with a heating assembly (3), the inner wall of the defrosting box (6) is provided with a fan structure (7), the inner wall of the chassis assembly (1) is clamped with a filtering mechanism (2), and the left side of the chassis assembly (1) is fixedly communicated with a drainage assembly (8). The filtering mechanism (2) comprises a filter screen (201), a handle assembly (202) and a movable frame (203), the surface of the filter screen (201) is fixedly connected with the inner wall of the movable frame (203), the bottom of the handle assembly (202) is bolted with the top of the movable frame (203), and the surface of the movable frame (203) is inserted with the inner wall of the chassis assembly (1).
2. An air cooled heat pump defrosting tray according to claim 1, wherein: The surface of the slide bar (5) is bolted with a connecting block (9), and the connecting block (9) is bolted with the chassis assembly (1) on one side close to the chassis assembly (1).
3. The air cooled heat pump defrosting tray of claim 1, wherein: The side, away from the unit structure (4), of the defrosting box (6) is bolted with a mounting plate (10), and the inner wall of the mounting plate (10) is bolted with a wind box (11).
4. An air cooled heat pump defrosting tray according to claim 3, wherein: The inner wall of the wind box (11) is bolted with the surface of the fan structure (7), and the side, away from the heating assembly (3), of the wind box (11) is bolted with a protective net assembly (12).
5. An air cooled heat pump defrosting tray according to claim 1, wherein: The heating assembly (3) comprises a mounting frame (301) and a heating frame (302), the surface of the heating frame (302) is bolted with the inner wall of the mounting frame (301), and the surface of the mounting frame (301) is bolted with the inner wall of the defrosting box (6).
6. An air cooled heat pump defrosting tray according to claim 1, wherein: The surface of the slide bar (5) is slidably connected with a sliding block (13), and the top of the sliding block (13) is bolted with a sliding plate (14).
7. An air cooled heat pump defrosting tray according to claim 6, wherein: The side, close to the sliding plate (14), of the defrosting box (6) is bolted with the sliding plate (14), and the inner wall of the sliding block (13) is provided with a sliding hole (15) used in cooperation with the slide bar (5).
8. An air cooled heat pump defrosting tray according to claim 1, wherein: The top of the drainage assembly (8) is provided with a drain pipe (16), and the right side of the drain pipe (16) is fixedly communicated with the left side of the chassis assembly (1).
9. An air cooled heat pump defrosting tray according to claim 1, wherein: The inner wall of the chassis assembly (1) is inserted with a filter cartridge (17), the surface of the filter cartridge (17) is bolted with a clamping block (18), and the left side of the clamping block (18) is in contact with the inner wall of the chassis assembly (1).
10. An air cooled heat pump defrosting tray according to claim 8, wherein: The surface of the drainage assembly (8) is provided with a first check valve (19), and the surface of the drain pipe (16) is provided with a second check valve (20).
Citation Information
Patent Citations
Defrosting mechanism of air-cooled heat pump unit
CN216977235U