Floor type convection heat exchanger
By providing inclined flow insulation cotton and air shield in the floor-type convection heat exchanger, the airflow is guided into the heat exchange assembly, which solves the problem that the airflow cannot be fully contacted in the prior art and achieves a better heat exchange effect.
Patent Information
- Application Number
- CN202420207664.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-29
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-29
AI Technical Summary
The direct blow of the air outlet of the centrifugal fan in the existing floor convection means that the airflow cannot fully contact the convection unit, resulting in poor heat exchange effect.
Design a floor-type convection heat exchanger. By setting an inclined flow insulation cotton and a windshield plate below the air outlet of the blower assembly, the distance between the flow insulation cotton and the windshield plate gradually increases in the direction close to the heat exchange assembly. Large, guide airflow into the heat exchange assembly, and prevent debris from entering through the volute-shaped air outlet and cover plate, ensuring that all airflow blows to the heat exchange assembly, slowing down the wind speed to extend the heat exchange time.
The heat exchange effect is improved, ensuring sufficient contact between the airflow and the heat exchange assembly and the heat exchange time, and improving the heat exchange efficiency.
Smart Images
Figure CN222256807U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of countercurrent heat exchangers, and in particular to a floor-type countercurrent heat exchanger. Background Art
[0002] The floor convector is the terminal equipment of the floor air supply air conditioning system, which has the functions of cooling, heating, fresh air supply and dehumidification. It is derived from the European glass curtain wall air conditioning system. It allows the central air conditioning equipment to provide more comfort, energy saving and application at the terminal. It solves the noise, energy saving and comfort problems in traditional air conditioning terminal equipment.
[0003] At present, the patent with the patent publication number CN107036160A on the market discloses an independent fresh air type floor embedded convector. It includes: a convector unit, an air convection cavity is arranged in the convector unit, a heat exchanger is arranged in the air convection cavity, the convector unit is connected to a fresh air component, the fresh air component includes: a fresh air cavity, a fresh air inlet is arranged in the fresh air cavity, a centrifugal fan is arranged in the fresh air cavity, and the air convection cavity is connected to the fresh air cavity. It forms an ascending air curtain through the fresh air mode, or the secondary air mode, or the fresh air and secondary air mixed mode, effectively shielding the exchange of cold and heat inside and outside the glass curtain wall, reducing the energy consumption of the air conditioning system, and meeting the indoor fresh air requirements at the same time.
[0004] However, in the above technical solution, the air outlet of the centrifugal fan directly blows the convector unit, which will cause the airflow to be unable to fully contact the convector unit, thereby resulting in poor heat exchange effect. Utility Model Content
[0005] In order to solve the above technical problems, the present application provides a floor-type countercurrent heat exchanger, which has the advantage of improving the heat exchange effect.
[0006] In order to achieve the above object, the technical solution of the utility model is as follows:
[0007] A floor-type convection heat exchanger comprises a box body with an opening at the upper end, wherein a blowing assembly and a heat exchange assembly are arranged in the box body, a guide heat insulation cotton is arranged below the air outlet of the blowing assembly and is inclined toward the bottom wall of the heat exchange assembly, a wind shield plate is arranged above the guide heat insulation cotton and is inclined toward the heat exchange assembly, and the distance between the guide heat insulation cotton and the wind shield plate gradually increases in the direction approaching the heat exchange assembly.
[0008] To implement the above technical solution, the wind flow blown out from the air outlet of the blowing component is guided by the guide insulation cotton to enter the heat exchange component, and the setting of the wind shield can block the wind flow to ensure that the diverted flow is all blown to the heat exchange component, and the distance between the guide insulation cotton and the wind shield gradually increases in the direction approaching the heat exchange component, thereby slowing down the wind flow speed to ensure the heat exchange time between the wind flow and the heat exchange component, thereby ensuring the heat exchange effect.
[0009] As a preferred solution of the present application, the blowing assembly includes a blowing frame arranged in a box body, on which a fan impeller and a motor for driving the fan impeller to rotate are rotatably arranged, and a cover plate is arranged above the blowing frame, on which a plurality of air inlet holes are arranged.
[0010] When the above technical solution is implemented and the fan impeller is driven to rotate, the guide insulation cotton can be blown away through the guiding effect of the volute-shaped air outlet. At the same time, the setting of the cover plate can prevent debris from entering and hindering the rotation of the fan impeller.
[0011] As a preferred solution of the present application, a temperature detector is provided on the side of the fan impeller.
[0012] To implement the above technical solution, the temperature detector is set on the side of the fan impeller, that is, the return air temperature is detected. The value of the detected return air temperature is closer to the indoor temperature, which improves the measurement and control accuracy.
[0013] As a preferred solution of the present application, the heat exchange assembly includes a heat exchange frame, on which an S-shaped coiled heat exchanger tube is arranged, and on which a plurality of heat exchange fins are evenly spaced.
[0014] The implementation of the above technical solution, namely the coiled design of the heat exchanger tube and the arrangement of the heat exchange fins can increase the heat dissipation area thereof, thereby improving the heat exchange effect.
[0015] As a preferred solution of the present application, a water receiving pan is provided under the heat exchange component, a drain pipe is provided on the water receiving pan, a lifting pump is provided on the drain pipe, a concave settling plate is provided on the box body, and the lifting pump is installed on the settling plate.
[0016] By implementing the above technical solution, the condensed water generated in the cooling mode of the heat exchanger can fall into the water receiving tray and then be discharged uniformly through the drain pipe to prevent the condensed water from overflowing. The lifting pump is installed on the sedimentation plate, so that the lifting pump can discharge the condensed water normally.
[0017] As a preferred solution of the present application, heat insulating cotton is provided on both sides of the wind shield for heat insulation.
[0018] To implement the above technical solution, the thermal insulation cotton is arranged to reduce the heat exchange from the heat exchanger to the side components, resulting in a reduction in the heat exchange effect with the wind flow.
[0019] As a preferred solution of the present application, a protective grille is laid on the top of the box body, and the protective grille includes a pair of springs, and a plurality of inclined blades are arranged on the two springs at equal intervals along the length direction of the springs.
[0020] By implementing the above technical solution, the protective grille can protect the heat exchange components and the air blowing components in the box. At the same time, the blades are connected by springs so that the entire protective grille can be rolled up for easy transportation.
[0021] As a preferred solution of the present application, the width of the blade gradually increases in a direction away from the interior of the box.
[0022] By implementing the above technical solution, the wind speed of the airflow blown out of the heat exchanger is increased, thereby ensuring the blowing effect; and the arrangement of the bamboo slices ensures aesthetics while being environmentally friendly.
[0023] As a preferred solution of the present application, a protective strip is provided on the upper edge of the box body.
[0024] The above technical solution is implemented to protect the upper edge of the box.
[0025] In summary, the present application includes at least one of the following beneficial technical effects:
[0026] 1. The wind flow blown out from the air outlet of the blowing component is guided by the guide insulation cotton to enter the heat exchange component, and the setting of the wind shield can block the wind flow to ensure that the diversion is all blown to the heat exchange component, and the distance between the guide insulation cotton and the wind shield gradually increases in the direction close to the heat exchange component, thereby slowing down the wind flow speed to ensure the heat exchange time between the wind flow and the heat exchange component, thereby ensuring the heat exchange effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0028] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.
[0029] Figure 2 It is an exploded view of an embodiment of the present application.
[0030] Figure 3 It is a schematic diagram of the heat exchange component in the embodiment of the present application.
[0031] Figure 4 It is a cross-sectional view of an embodiment of the present application.
[0032] Figure 5 It is a schematic diagram of the structure of the blowing assembly in the embodiment of the present application.
[0033] Figure numerals: 1. Box body; 2. Blowing assembly; 21. Blowing rack; 22. Motor; 23. Air outlet; 24. Fan impeller; 25. Cover plate; 26. Temperature detector; 3. Heat exchange assembly; 31. Heat exchange rack; 32. Heat exchanger tube; 33. Heat exchange fin; 34. Water collecting tray; 35. Drain pipe; 36. Lifting pump; 37. Sedimentation plate; 4. Guide insulation cotton; 5. Wind shield; 6. Insulation cotton; 7. Protective strip; 8. Protective grille; 81. Spring; 82. Blade. DETAILED DESCRIPTION
[0034] The following is combined with Figure 1-5 This application is described in further detail.
[0035] The present application embodiment discloses a floor-type convection heat exchanger. Figure 1 and Figure 2 The floor-type convection heat exchanger comprises a box body 1 with an opening at the upper end, and a blowing component 2 and a heat exchange component 3 are arranged in the box body 1. A guide heat insulation cotton 4 inclined to the bottom wall of the heat exchange component 3 is arranged below the air outlet 23 of the blowing component 2, and a wind shield 5 inclined to the heat exchange component 3 is arranged above the guide heat insulation cotton. The distance between the guide heat insulation cotton 4 and the wind shield gradually increases in the direction approaching the heat exchange component 3, so that the wind flow blown out from the air outlet 23 of the blowing component 2 is guided by the guide heat insulation cotton 4 to enter the heat exchange component 3, and the setting of the wind shield can block the wind flow to ensure that the diversion is all blown to the heat exchange component 3, and the distance between the guide heat insulation cotton 4 and the wind shield gradually increases in the direction approaching the heat exchange component 3, thereby slowing down the wind speed of the wind flow to ensure the heat exchange time between the wind flow and the heat exchange component 3, thereby ensuring the heat exchange effect. Heat insulating cotton 6 is provided on both sides of the wind shield 5 to reduce the heat exchange from the heat exchanger to the side components, resulting in a decrease in the heat exchange effect between the heat exchanger and the wind flow.
[0036] Reference Figure 2 and Figure 5 The blowing assembly 2 includes a blowing frame 21 arranged in the box body 1, on which a fan impeller 24 and a motor 22 for driving the fan impeller 24 to rotate are rotatably arranged, and a volute-shaped air outlet 23 is arranged below the fan impeller 24, and the air outlet 23 is arranged in close contact with the guide insulation cotton, so that when the motor 22 drives the fan impeller 24 to rotate, the guide insulation cotton 4 can be blown through the guide effect of the volute-shaped air outlet 23. A cover plate 25 is arranged above the blowing frame 21, and a plurality of air inlet holes are arranged on the cover plate 25, that is, the arrangement of the cover plate 25 can prevent the entry of debris and the occurrence of the situation that the fan impeller 24 rotates. A temperature detector 26 is arranged on the side of the fan impeller 24, and the temperature detector 26 is arranged on the side of the fan impeller 24, that is, it detects the return air temperature, and the value of the detected return air temperature is closer to the indoor temperature, which improves the measurement and control accuracy.
[0037] Reference Figure 3 and Figure 4 The heat exchange assembly 3 includes a heat exchange frame 31, which is fixed in the box body 1. The heat exchange frame 31 is provided with an S-shaped coiled heat exchanger tube 32, and a plurality of heat exchange fins 33 are evenly spaced on the heat exchanger tube 32. That is, the coiled design of the heat exchanger tube 32 and the arrangement of the heat exchange fins 33 can increase the heat dissipation area thereof, thereby improving the heat exchange effect.
[0038] Reference Figure 2 A water receiving pan 34 is provided below the heat exchange assembly 3, and a drain pipe 35 is provided on the water receiving pan 34, so that the condensed water generated in the cooling mode of the heat exchanger can fall into the water receiving pan 34 and then be uniformly discharged by the drain pipe 35 to prevent the condensed water from overflowing. In order to prevent the lack of water flow discharge below the overall water receiving pan 34, a lifting pump 36 is provided on the drain pipe 35, and a concave settling plate 37 is provided on the box body 1, and the lifting pump 36 is installed on the settling plate 37, so that the lifting pump 36 can normally discharge the condensed water.
[0039] Reference Figure 5 , a protective strip 7 is provided on the upper edge of the box body 1, and the protective strip 7 is clamped on the upper edge of the box body 1 to protect the upper edge of the box body 1. A protective grille 8 is laid on the top of the box body 1, and the protective grille 8 includes a pair of springs 81. A plurality of inclined blades 82 are arranged at equal intervals on the two springs 81 along the length direction of the springs 81, so that the protective grille 8 can protect the heat exchange component 3 and the blowing component 2 and other parts in the box body 1. At the same time, the blades 82 are connected by the springs 81 so that the entire protective grille 8 can be rolled up for easy transportation. The blades 82 are bamboo pieces, and the width of the blades 82 gradually increases in the direction away from the inside of the box body 1, so that the distance between the two blades 82 is reduced, so that the wind speed of the airflow blown out of the heat exchanger is increased, thereby ensuring the blowing effect; and the setting of the bamboo pieces ensures aesthetics while being environmentally friendly.
[0040] The implementation principle of a floor-type convection heat exchanger in an embodiment of the present application is as follows: the wind flow blown out from the air outlet 23 of the blowing component 2 is guided by the guide insulation cotton 4 into the heat exchange component 3, and the setting of the wind shield can block the wind flow to ensure that all the diverted flow is blown toward the heat exchange component 3, and the distance between the guide insulation cotton 4 and the wind shield gradually increases in the direction approaching the heat exchange component 3, thereby slowing down the wind flow speed to ensure the heat exchange time between the wind flow and the heat exchange component 3, thereby ensuring the heat exchange effect.
[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. Floor type convection heat exchanger, characterized by: The invention comprises a box body (1) with an opening at the upper end, wherein a blowing assembly (2) and a heat exchange assembly (3) are arranged in the box body (1), a flow-guiding heat-insulating cotton (4) is arranged below the air outlet (23) of the blowing assembly (2) and is arranged obliquely toward the bottom wall of the heat exchange assembly (3), and a windshield (5) is arranged above the flow-guiding heat-insulating cotton and is arranged obliquely toward the heat exchange assembly (3), and the distance between the flow-guiding heat-insulating cotton (4) and the windshield gradually increases in a direction approaching the heat exchange assembly (3).
2. The floor type convection heat exchanger according to claim 1, characterized in that: The blowing assembly (2) comprises a blowing frame (21) arranged in the box body (1), a fan impeller (24) and a motor (22) for driving the fan impeller (24) to rotate are rotatably arranged on the blowing frame (21), a cover plate (25) is arranged above the blowing frame (21), and a plurality of air inlet holes are arranged on the cover plate (25).
3. The floor type convection heat exchanger according to claim 2, characterized in that: A temperature detector (26) is arranged on the side of the fan impeller (24).
4. The floor type countercurrent heat exchanger according to claim 1, characterized in that: The heat exchange assembly (3) comprises a heat exchange frame (31), on which an S-shaped coiled heat exchanger tube (32) is arranged, and on which a plurality of heat exchange fins (33) are arranged at equal intervals.
5. The floor type countercurrent heat exchanger according to claim 1, characterized in that: A water receiving pan (34) is provided below the heat exchange assembly (3), a drainage pipe (35) is provided on the water receiving pan (34), a lifting pump (36) is provided on the drainage pipe (35), a concave settling plate (37) is provided on the box body (1), and the lifting pump (36) is mounted on the settling plate (37).
6. The floor type countercurrent heat exchanger according to claim 1, characterized in that: Heat insulation cotton (6) is arranged on both sides of the windshield (5).
7. The floor type countercurrent heat exchanger according to claim 1, characterized in that: A protective grille (8) is provided above the box body (1), and the protective grille (8) comprises a pair of springs (81), and a plurality of inclined blades (82) are provided on the two springs (81) at equal intervals along the length direction of the springs (81).
8. The floor type countercurrent heat exchanger according to claim 7, characterized in that: The width of the blade (82) gradually increases in a direction away from the interior of the box body (1).
9. The floor type countercurrent heat exchanger according to claim 1, characterized in that: The upper edge of the box body (1) is provided with a protection strip (7).