Efficient heat exchanger of special-shaped structure pipe
By employing technical means, the technical problems existing in the prior art have been solved. By using variable frequency fans and variable frequency controllers, combined with technical means, the output power of fans and water pumps can be dynamically adjusted according to temperature and humidity, thus solving the technical problems existing in the prior art and realizing a highly efficient heat exchanger design.
Patent Information
- Application Number
- CN202422655633.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing heat exchangers have difficulty efficiently adjusting the power of fans and pumps when the temperature changes, resulting in energy waste; the steel plates that fix the heat exchange tubes obstruct airflow, resulting in low cooling efficiency; and the heat exchange tubes have limited surface area, making the fins prone to scale buildup, which affects the heat conduction effect.
The system employs variable frequency fans and water pumps, combined with temperature and humidity sensors to adjust the output power; the heat exchange tubes are equipped with extended sections to increase the surface area; the fixed elements feature a hollow design to improve air permeability; and the heat exchange tubes are fixed using wire mesh or perforated plates to enhance airflow.
It enables dynamic adjustment of fan and water pump power based on temperature and humidity, reducing energy waste, increasing heat exchange area and air permeability, improving heat dissipation efficiency, and reducing scale accumulation.
Smart Images

Figure CN223691554U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of air conditioning, concretely relates to a high -efficient heat exchanger of special-shaped structure pipe. BACKGROUND
[0002] Evaporative heat exchanger is a kind of heat exchanger using cooling water, air to heat exchange refrigerant, commonly used in industrial refrigeration, the existing heat exchanger structure generally includes shell, wind cooling assembly, water cooling assembly and heat exchange pipe group are set in shell, heat exchange pipe group includes multiple heat exchange pipes, heat exchange pipe is the ordinary pipeline of smooth outer surface, multiple steel plates for fixing heat exchange pipe are set on heat exchange pipe, multiple heat exchange pipes pass through steel plate and are fixed on steel plate, steel frame is connected to the periphery of steel plate, wind cooling assembly includes fan, fan is set at the uppermost end of shell, is used to extract air from the air inlet of shell lower end, to form the airflow from bottom to top, water cooling assembly includes water pump, water pump is connected with water tank, the upper end of heat exchange pipe is provided with spray head, water pump extracts water in water tank to be sprayed by spray head to form downward water spray, water spray falls on heat exchange pipe and evaporates quickly under the action of airflow to achieve the effect of cooling heat exchange pipe.
[0003] But the existing heat exchanger has the following defects when using:
[0004] 1. In northern summer and winter, the temperature difference is very large, and the heat exchanger is placed outdoors and is affected by temperature, in summer, the outdoor temperature is high, the heat dissipation difficulty of heat exchange pipe increases with the increase of temperature, at this time, high-power fan and water pump are needed to cool the heat exchange pipe, in winter, the outdoor temperature is low, the heat dissipation difficulty of heat exchange pipe decreases, and small-power fan and water pump can complete the heat exchange of heat exchange pipe, but due to the difficulty of disassembly, the fan and water pump cannot be replaced, so in winter, the fan and water pump that meet the summer heat exchange demand can only be used, causing waste of energy.
[0005] 2. The device for fixing heat exchange pipe is steel plate, and there is no gap on the steel plate after fixing the heat exchange pipe, which is not conducive to the circulation of airflow and hinders heat dissipation, affecting the cooling of heat exchange pipe.
[0006] 3. The heat exchange pipe of traditional heat exchanger has limited surface area, so the heat exchange pipe has small contact area with water, resulting in general cooling efficiency and high condensation temperature of refrigerant;Some prior art sets fins on the surface of heat exchange pipe to increase the contact area with water and improve the heat exchange efficiency, but the fins are too thin and densely distributed, so the angle between fin and pipe is easy to accumulate scale, affecting the heat conduction effect. CONTENT OF THE UTILITY MODEL
[0007] The utility model provides a high -efficient heat exchanger of special-shaped structure pipe, including the shell, is provided with the air -cooled subassembly, water cooling subassembly and heat exchange pipe group in the shell, the air -cooled subassembly includes frequency conversion fan, and the water cooling subassembly includes frequency conversion water pump, and frequency conversion water pump is connected with flow valve, heat exchange pipe group includes heat exchange pipe and fixed element, and heat exchange pipe is provided with a plurality of extension, the extension is used for increasing the surface area of heat exchange pipe, and fixed element is hollowly provided, and a plurality of heat exchange pipe array distribution is fixed in fixed element, heat exchange pipe group is provided with temperature sensor, and the shell is provided with humidity sensor and barograph in, and the shell outer surface is provided with display, and temperature sensor, humidity sensor, barograph all are connected with display.
[0008] Temperature sensor senses the temperature of heat exchange pipe, and temperature can reflect the cooling condition of refrigerant in heat exchange pipe, and humidity sensor senses the humidity in heat exchanger, and humidity is used for reflecting the evaporation condition of water, and the value of temperature sensor and humidity sensor is displayed on display, and staff can adjust the output power of frequency conversion fan and frequency conversion water pump according to the value of humidity and temperature.
[0009] Preferably, the fixed element includes a fixed frame, the fixed frame is provided with a steel wire mesh, and the plurality of heat exchange pipes are fixed in the steel wire mesh. The fixed element is provided as a steel wire mesh structure, and the heat exchange pipes are fixed on the steel wire mesh. The steel wire used in the steel wire mesh needs to be high-hardness or have a certain supporting force to withstand the weight of the heat exchange pipes without deformation. Since the steel wire mesh has a plurality of mesh holes, air can flow between the gaps, improving the evaporation effect and increasing the heat dissipation efficiency.
[0010] Alternatively, the fixed element includes a fixed frame, the fixed frame is provided with a mesh plate, and the plurality of heat exchange pipes are fixed in the mesh plate. The mesh plate has a plurality of round holes, and of course can also be square holes, polygonal holes, or other shapes that can be inserted into the heat exchange pipes. Similarly, the heat exchange pipes are fixed in some of the round holes, and the remaining round holes still have good air permeability.
[0011] Preferably, the heat exchange pipe includes a straight pipe portion and a bent pipe portion, and the extension portion is integrally arranged on the outer surface of the straight pipe portion. The extension portion is circular, and a plurality of extension portions are arrayed along the axis direction of the straight pipe portion.
[0012] Alternatively, the heat exchange pipe includes a straight pipe portion and a bent pipe portion, and the outer surface and the inner surface of the straight pipe portion are provided with extension portions. The extension portions are circular, and a plurality of extension portions are arrayed along the axis direction of the straight pipe portion.
[0013] The extension part is used to increase the surface of the heat exchange pipe, and the structure can be that the heat exchange pipe protrudes outward along the pipe wall, that is, the pipe wall of the heat exchange pipe is deformed outward to a certain height, or that the inner surface remains smooth and the outer surface is deformed outward, that is, the outer surface of the heat exchange pipe is provided with an extension part, or that the inner surface is deformed outward together with the outer surface to form a protrusion, that is, the extension parts are respectively arranged on the outer surface and the inner surface;
[0014] The extension part arranged on the outer surface can increase the contact area of the heat exchange pipe and water, thereby increasing the evaporation area and rapidly cooling the heat exchange pipe, and the extension part arranged on the inner surface can form a cavity on the inner surface, thereby increasing the contact area of the refrigerant and the heat exchange pipe and improving the heat transfer efficiency therebetween; under the condition that the flow rate is constant, increasing the heat exchange efficiency can improve the heat exchange effect.
[0015] The circular ring-shaped extension part can be coaxial with the straight pipe part or form a certain angle with the straight pipe part, and the angle between the central axis of the extension part and the central axis of the straight pipe part is less than 45°; if the angle is too large, the desired effect cannot be achieved.
[0016] Preferably, the heat exchange pipe comprises a straight pipe part and a bent pipe part, the outer surface of the straight pipe part is integrally provided with an extension part, the extension part is arranged in a spiral structure, and a plurality of extension parts are intermittently spiraled on the straight pipe part; or the extension part is an integral whole and spirals around the entire straight pipe part.
[0017] Alternatively, the heat exchange pipe comprises a straight pipe part and a bent pipe part, the outer surface and the inner surface of the straight pipe part are both provided with an extension part, the extension part is arranged in a spiral structure, and a plurality of extension parts are intermittently spiraled on the straight pipe part.
[0018] If the extension part is in a spiral structure, the diameter gradually decreases near the proximal end or the distal end until it completely connects with the pipe wall, that is, the extension part gradually connects with the straight pipe part, and the gradual connection does not leave dead angles to avoid the accumulation of dirt in the dead angles.
[0019] Preferably, the shell comprises an air inlet and an air outlet, and a humidity sensor is arranged at the air inlet, the air outlet and the heat exchange pipe group; since air flows in the shell and causes uneven internal humidity, the humidity sensor is arranged at multiple positions to comprehensively detect the internal humidity, and workers can judge the evaporation condition according to the humidity at different positions, for example, if the humidity at the heat exchange pipe group is too low, it indicates that the evaporation effect is poor, and the power of the variable frequency fan needs to be increased; if the humidity at the air inlet is too high, it indicates that the air at the air inlet is not ventilated, and the air inlet is likely to be blocked.
[0020] Preferably, the variable frequency water pump is connected with a water purifier, a neutral scale remover suitable for the heat exchanger can be added to the water tank, the water tank has a water outlet, a filter screen can be arranged at the water outlet, and the water purifier is used to purify the water pumped by the water pump.
[0021] Preferably, a display is connected with a controller, the variable frequency fan, the variable frequency water pump and the flow valve are connected with the controller, and the controller can use a PLC controller.
[0022] The utility model discloses the beneficial effect lies in:
[0023] 1. Set up variable frequency fan and variable frequency water pump, and staff can adjust the output frequency of variable frequency fan and variable frequency water pump according to humidity, temperature, pressure and the like index, avoid the same power output of variable frequency fan and variable frequency water pump when temperature is low and when temperature is high, avoid unnecessary loss of energy.
[0024] 2, the heat exchange pipe is set to the special structure of extension part, makes heat exchange pipe and cooling water contact area increase, and the thickness of extension part is larger, and the contact place with pipe wall forms obtuse angle and is not easy to gather water drop, reduces the probability of scale formation.
[0025] 3. Hollow out the fixing element, increase the ventilation of the heat exchange pipe group, which is conducive to heat dissipation. BRIEF DESCRIPTION OF DRAWINGS
[0026] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the utility model. The illustrative embodiments of the utility model and the description thereof are used to explain the present application, and do not constitute undue limitation on the utility model.
[0027] Figure 1 It is the whole structure schematic diagram of example 1;
[0028] Figure 2 It is the heat exchange pipe group schematic diagram of example 1;
[0029] Figure 3 It is the longitudinal section view of straight pipe portion of example 1;
[0030] Figure 4 It is the longitudinal section view of straight pipe portion of example 2;
[0031] Figure 5 It is the heat exchange pipe and fixing element assembly schematic diagram of example 2;
[0032] Figure 6 It is the straight pipe portion structure schematic diagram of example 3;
[0033] Figure 7 It is the longitudinal section view of straight pipe portion of example 4.
[0034] In the drawings: 1 - shell, 11 - air inlet, 12 - air outlet, 13 - water tank, 14 - humidity sensor, 2 - air cooling assembly, 21 - frequency conversion fan, 3 - water cooling assembly, 31 - frequency conversion water pump, 32 - spray head, 4 - heat exchange pipe group, 41 - heat exchange pipe, 411 - straight pipe part, 412 - elbow pipe part, 413 - extension part, 414 - temperature sensor, 42 - fixing element, 421 - fixing frame, 422 - steel wire mesh, 423 - mesh plate. DETAILED DESCRIPTION
[0035] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.
[0036] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.
[0037] In addition, in the description of the present application, it should be understood that the terms "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.
[0038] In the present application, unless otherwise explicitly specified and limited, the terms "set", "connected", "connected", "fixed" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0039] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples.
[0040] Embodiment 1
[0041] As Figures 1 to 3 shown, a high-efficiency heat exchanger of special-shaped structure pipe includes a shell 1, the shell 1 is provided with a wind cooling assembly 2, a water cooling assembly 3 and a heat exchange pipe group 4, the wind cooling assembly 2 includes a frequency conversion fan 21, the water cooling assembly 3 includes a frequency conversion water pump 31, the frequency conversion water pump 31 is connected with a flow valve; the heat exchange pipe group 4 includes heat exchange pipes 41 and fixing elements 42, the heat exchange pipes 41 are provided with a plurality of extension parts 413, the extension parts 413 are used for increasing the surface area of the heat exchange pipes 41, the fixing elements 42 are provided with a plurality of holes, and the plurality of heat exchange pipes 41 are arrayed and fixed in the fixing elements 42; the heat exchange pipe group 4 is provided with a temperature sensor 414, the shell 1 is provided with a humidity sensor 14 and a barometer in the shell 1, and the shell 1 is provided with a display on the outer surface; the temperature sensor 414, the humidity sensor 14 and the barometer are connected with the display. An air inlet 11 is arranged on the shell 1, and the air inlet 11 cooperates with the frequency conversion fan 21; the water cooling assembly 3 includes a spray head 32, the spray head 32 is connected with the frequency conversion water pump 31 in a pipeline mode, and the shell 1 is provided with a water tank 13 at the bottom, and the frequency conversion water pump 31 is connected with the water tank 13 in a pipeline mode.
[0042] The temperature sensor 414 senses the temperature of the heat exchange pipes 41, and the temperature reflects the cooling condition of the refrigerant in the heat exchange pipes 41; the humidity sensor 14 senses the humidity in the heat exchanger, and the humidity is used to reflect the evaporation condition of water; and the output power of the frequency conversion fan 21 and the frequency conversion water pump 31 can be controlled according to the values of the humidity and the temperature.
[0043] The fixing element 42 includes a fixing frame 421, the fixing frame 421 is provided with a mesh plate 423, a plurality of heat exchange pipes 41 are fixed in the mesh plate 423, the mesh plate 423 has a plurality of round holes, of course, it can also be square holes, polygonal holes and other shapes that can be inserted into the heat exchange pipes 41, and the heat exchange pipes 41 are fixed in some of the round holes, and the remaining round holes still have good ventilation effect.
[0044] The heat exchange pipe 41 comprises a straight pipe portion 411 and a bent pipe portion 412, the outer surface and the inner surface of the straight pipe portion 411 are provided with an extension portion 413, the extension portion 413 is annular, and a plurality of extension portions 413 are arrayed along the axial direction of the straight pipe portion 411, that is, the pipe wall of the heat exchange pipe 41 is deformed and arched outward by a certain height, at this time, the outer surface of the heat exchange pipe 41 will form a protrusion, the contact area of the outer surface with water is increased, the cooling rate of the heat exchange pipe 41 is reduced, and the inner surface of the heat exchange pipe 41 will form a cavity, the contact area of the inner surface with the refrigerant is increased, and the heat transfer effect of the heat exchange pipe 41 with the refrigerant is improved.
[0045] The shell 1 comprises an air inlet 11 and an air outlet 12, and the air inlet 11, the air outlet 12 and the heat exchange pipe group 4 are provided with a humidity sensor 14, because the air in the shell 1 flows and causes uneven internal humidity, the humidity sensor 14 is arranged in multiple places to comprehensively detect the internal humidity.
[0046] In summer, the power of the variable frequency water pump 21 and the variable frequency fan 31 is adjusted to the maximum, the condensate flows through the heat exchange pipe group 4 and then evaporates and absorbs heat through the water cooling assembly 2, and the water vapor and hot air are blown out through the air cooling assembly 3, in this process, the extension portion 413 increases the contact area of the heat exchange pipe 41 with water, and also increases the contact area of the condensate and the heat exchange pipe 41, the overall heat exchange area is increased, the heat exchange efficiency is improved, the temperature sensor 414 on the heat exchange pipe 41 is used to monitor the temperature of the cooling liquid after heat exchange, and the humidity sensor 14 is used to reflect the evaporation of water, and workers can adjust the variable frequency water pump 21 and the variable frequency fan 31 according to the feedback values of the temperature sensor 414 and the humidity sensor 14; in winter, because the outdoor temperature decreases, the natural cooling is too fast, at this time, the power of the variable frequency water pump 21 and the variable frequency fan 31 can be reduced, and even only the air cooling assembly 3 can be started, unnecessary energy waste is avoided, electric energy is saved, and cost is reduced.
[0047] Example 2
[0048] As Figures 4 to 5As shown, a high-efficiency heat exchanger of a special-shaped structure pipe comprises an outer shell 1, a wind cooling assembly 2, a water cooling assembly 3 and a heat exchange pipe group 4 arranged in the outer shell 1, the wind cooling assembly 2 comprises a variable frequency fan 21, the water cooling assembly 3 comprises a variable frequency water pump 31 connected with a flow valve, the heat exchange pipe group 4 comprises heat exchange pipes 41 and fixing elements 42, the heat exchange pipes 41 are provided with a plurality of extension portions 413, the fixing elements 42 are provided in a hollow manner, and the plurality of heat exchange pipes 41 are arrayed and fixed in the fixing elements 42, the heat exchange pipe group 4 is provided with a temperature sensor 414, the outer shell 1 is provided with a humidity sensor 14 and a barometer, and the outer surface of the outer shell 1 is provided with a display, the temperature sensor 414, the humidity sensor 14 and the barometer are connected with the display, the outer shell 1 is provided with an air inlet 11 matched with the variable frequency fan 21, the water cooling assembly 3 comprises a spray head 32 connected with the variable frequency water pump 31, the bottom of the outer shell 1 is provided with a water tank 13, and the variable frequency water pump 31 is connected with the water tank 13.
[0049] The temperature sensor 414 senses the temperature of the heat exchange pipes 41, and the temperature reflects the cooling condition of the refrigerant in the heat exchange pipes 41, the humidity sensor 14 senses the humidity in the heat exchanger, and the humidity is used to reflect the evaporation condition of water, and the output power of the variable frequency fan 21 and the variable frequency water pump 31 can be controlled according to the values of the humidity and the temperature.
[0050] The fixing element 42 comprises a fixing frame 421 provided with a steel wire mesh 422, and the plurality of heat exchange pipes 41 are fixed in the steel wire mesh 422, the fixing element 42 is provided as the structure of the steel wire mesh 422, the heat exchange pipes 41 are fixed on the steel wire mesh 422, the steel wire used in the steel wire mesh 422 needs to be high-hardness or have a certain supporting force to withstand the weight of the heat exchange pipes 41 without deformation, and since the steel wire mesh 422 has a plurality of mesh holes, air can flow between the gaps to improve the evaporation effect and increase the heat dissipation efficiency.
[0051] The heat exchange pipe 41 comprises a straight pipe portion 411 and a bent pipe portion 412, the outer surface of the straight pipe portion 411 is provided with the extension portion 413 provided in a circular ring shape, and the plurality of extension portions 413 are arrayed along the axis direction of the straight pipe portion 411, and the extension portion 413 arranged on the outer surface of the straight pipe portion 411 can increase the contact area of the heat exchange pipe 41 with water, thereby increasing the cooling rate of the heat exchange pipe 41.
[0052] The outer casing 1 includes an air inlet 11 and an air outlet 12. Humidity sensors 14 are installed at the air inlet 11, the air outlet 12, and the heat exchange tube assembly 4. Since the air flow inside the outer casing 1 can cause uneven internal humidity, humidity sensors 14 are installed in multiple locations to comprehensively detect the internal humidity. Workers can judge the evaporation status based on the humidity at different locations. If the humidity at the heat exchange tube assembly 4 is too low, it indicates that the evaporation effect is poor and the power of the variable frequency fan 21 needs to be increased. If the humidity at the air inlet 11 is too high, it indicates that the air at the air inlet 11 is not circulating and is likely blocked.
[0053] Example 3
[0054] like Figure 6 As shown, a high-efficiency heat exchanger with an irregularly shaped tube structure includes a shell 1. Inside the shell 1, an air-cooled assembly 2, a water-cooled assembly 3, and a heat exchange tube assembly 4 are arranged. The air-cooled assembly 2 includes a variable frequency fan 21, and the water-cooled assembly 3 includes a variable frequency water pump 31 connected to a flow valve. The heat exchange tube assembly 4 includes heat exchange tubes 41 and fixing elements 42. The heat exchange tubes 41 are provided with multiple extensions 413, and the fixing elements 42 are hollowed out. Multiple heat exchange tubes 41 are arranged in an array and are interspersed and fixed to the fixing elements 42. The heat exchange tube assembly 4 is provided with a temperature sensor 414. Inside the shell 1, a humidity sensor 14 and a barometer are arranged. A display is provided on the outer surface of the shell 1. The temperature sensor 414, humidity sensor 14, and barometer are all connected to the display. An air inlet 11 is provided on the outer casing 1, and the air inlet 11 is matched with the variable frequency fan 21; the water cooling component 3 includes a spray head 32, the spray head 32 is connected to the variable frequency water pump 31 through a pipe, and a water tank 13 is provided at the bottom of the outer casing 1, and the variable frequency water pump 31 is connected to the water tank 13 through a pipe.
[0055] Temperature sensor 414 senses the temperature of heat exchange tube 41, and the temperature will reflect the cooling of the refrigerant in heat exchange tube 41. Humidity sensor 14 senses the humidity in the heat exchanger, and the humidity is used to reflect the evaporation of water. The operator can control the output power of variable frequency fan 21 and variable frequency water pump 31 according to the humidity and temperature values.
[0056] The fixing element 42 includes a fixing frame 421, in which a wire mesh 422 is provided. Multiple heat exchange tubes 41 are inserted and fixed to the wire mesh 422. The fixing element 42 is configured as a wire mesh 422 structure. The heat exchange tubes 41 are fixed on the wire mesh 422. The wire used in the wire mesh 422 needs to be high hardness or have a certain supporting strength to withstand the weight of the heat exchange tubes 41 without deformation. Since there are several mesh holes on the wire mesh 422, air can flow between each gap, which improves the evaporation effect and increases the heat dissipation efficiency.
[0057] The heat exchange pipe 41 comprises a straight pipe portion 411 and a bent pipe portion 412, and the outer surface of the straight pipe portion 411 is provided with an extension portion 413 in the form of a circular ring, and a plurality of extension portions 413 are arrayed along the axial direction of the straight pipe portion 411. The provision of the extension portion 413 on the outer surface of the straight pipe portion 411 increases the contact area of the heat exchange pipe 41 with water, thereby increasing the cooling rate of the heat exchange pipe 41.
[0058] The extension portion 413 in the form of a circular ring is at an angle to the straight pipe portion 411, and the included angle between the central axis of the extension portion 413 and the central axis of the straight pipe portion 411 is less than 45°.
[0059] The housing 1 comprises an air inlet 11 and an air outlet 12, and a humidity sensor 14 is arranged at the air inlet 11 and the air outlet 12 and on the heat exchange pipe group 4. Since air flows in the housing 1, the humidity inside the housing 1 is not uniform, and the humidity sensor 14 is arranged at multiple locations to comprehensively detect the humidity inside the housing 1.
[0060] The variable frequency water pump 31 is connected to a water purifier, and a neutral descaling agent suitable for the heat exchanger can be added to the water tank 13, and the water purifier is used to purify the water pumped by the water pump.
[0061] Embodiment 4
[0062] As shown in Figure 7 , a high-efficiency heat exchanger with a special-shaped structure pipe comprises a housing 1, and the housing 1 is provided with an air cooling assembly 2, a water cooling assembly 3 and a heat exchange pipe group 4. The air cooling assembly 2 comprises a variable frequency fan 21, the water cooling assembly 3 comprises a variable frequency water pump 31, and the variable frequency water pump 31 is connected to a flow valve. The heat exchange pipe group 4 comprises heat exchange pipes 41 and fixing elements 42, the heat exchange pipes 41 are provided with a plurality of extension portions 413, the fixing elements 42 are provided in a hollow manner, and a plurality of heat exchange pipes 41 are arrayed and fixed in the fixing elements 42. The heat exchange pipe group 4 is provided with a temperature sensor 414, the housing 1 is provided with a humidity sensor 14 and a barometer, the outer surface of the housing 1 is provided with a display, and the temperature sensor 414, the humidity sensor 14 and the barometer are connected to the display. The housing 1 is provided with an air inlet 11, the air inlet 11 cooperates with the variable frequency fan 21, the water cooling assembly 3 comprises a spray head 32, the spray head 32 is connected to the variable frequency water pump 31 in a pipeline manner, the bottom of the housing 1 is provided with a water tank 13, and the variable frequency water pump 31 is connected to the water tank 13 in a pipeline manner.
[0063] The temperature sensor 414 senses the temperature of the heat exchange pipe 41, and the temperature reflects the cooling condition of the refrigerant in the heat exchange pipe 41. The humidity sensor 14 senses the humidity in the heat exchanger, and the humidity reflects the evaporation condition of water. The output power of the variable frequency fan 21 and the variable frequency water pump 31 can be controlled according to the values of the humidity and the temperature.
[0064] The fixed element 42 comprises a fixed frame 421, a mesh plate 423 is arranged in the fixed frame 421, a plurality of heat exchange pipes 41 are fixedly arranged on the mesh plate 423, a plurality of circular holes are arranged on the mesh plate 423, of course, square holes, polygonal holes and other shapes that can be inserted into the heat exchange pipes 41 can be arranged on the mesh plate 423, and the heat exchange pipes 41 are fixed into some of the circular holes, and the remaining circular holes still have good air permeability.
[0065] The heat exchange pipe 41 comprises a straight pipe portion 411 and a bent pipe portion 412, an extension portion 413 is arranged on the outer surface of the straight pipe portion 411, and the extension portion 413 is arranged in a spiral structure and is intermittently spiraled on the straight pipe portion 411.
[0066] The shell 1 comprises an air inlet 11 and an air outlet 12, and a humidity sensor 14 is arranged at the air inlet 11 and the air outlet 12 and on the heat exchange pipe group 4, the humidity sensor 14 is arranged at a plurality of positions to comprehensively detect the internal humidity due to the air flow in the shell 1.
[0067] The variable frequency water pump 31 is connected with a water purifier, a neutral descaling agent suitable for a heat exchanger can be added to the water tank 13, and the water purifier is used for purifying water pumped by the water pump.
[0068] The parts not described in the utility model can be realized by using or referring to the existing technology.
[0069] Each embodiment in the description is described in a progressive manner, and the same and similar parts between each embodiment can be referred to, and each embodiment mainly describes the difference from other embodiments.
[0070] The above only describes the embodiments of the utility model and is not used for limiting the utility model. The utility model can be changed and varied in various ways for those skilled in the art. Any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the claim range of the utility model.
Claims
1. A high-efficiency heat exchanger of a special-shaped tube, comprising a shell, a wind-cooling assembly, a water-cooling assembly and a heat exchange tube group are arranged in the shell, characterized in that, The air cooling assembly comprises a variable frequency fan, the water cooling assembly comprises a variable frequency water pump, the variable frequency water pump is connected with a flow valve, the heat exchange pipe group comprises heat exchange pipes and fixing elements, the heat exchange pipes are provided with a plurality of extension parts for increasing the surface area of the heat exchange pipes, the fixing elements are provided with a plurality of holes, and the heat exchange pipes are arrayed and fixed in the fixing elements.
2. The high efficiency heat exchanger of profiled tubes as claimed in claim 1 wherein, The fixing elements comprise a fixing frame connected with a steel wire mesh.
3. The high efficiency heat exchanger of claim 1, wherein, The fixing elements comprise a fixing frame connected with a mesh plate, and the heat exchange pipes are arrayed and fixed in the mesh plate.
4. The high efficiency heat exchanger of claim 1, wherein, The heat exchange pipes comprise straight pipe parts and elbow pipe parts, the extension parts are integrally connected to the outer surfaces of the straight pipe parts, the extension parts are provided in a circular ring shape, and the extension parts are arrayed along the axial direction of the straight pipe parts.
5. The high efficiency heat exchanger of claim 1, wherein, The heat exchange pipes comprise straight pipe parts and elbow pipe parts, the extension parts are respectively arranged on the outer surfaces and inner surfaces of the straight pipe parts, the extension parts are provided in a circular ring shape, and the extension parts are arrayed along the axial direction of the straight pipe parts.
6. The high efficiency heat exchanger of claim 1, wherein, The heat exchange pipes comprise straight pipe parts and elbow pipe parts, the extension parts are integrally connected to the outer surfaces of the straight pipe parts, the extension parts are provided in a spiral structure, and the extension parts are intermittently spiraled on the straight pipe parts.
7. The high efficiency heat exchanger of claim 1, wherein, The heat exchange pipes comprise straight pipe parts and elbow pipe parts, the extension parts are respectively arranged on the outer surfaces and inner surfaces of the straight pipe parts, the extension parts are provided in a spiral structure, and the extension parts are intermittently spiraled on the straight pipe parts.
8. The high efficiency heat exchanger of claim 1, wherein, The shell comprises an air inlet and an air outlet, and the heat exchange pipe group is provided with a humidity sensor at the air inlet, the air outlet and the heat exchange pipe group.
9. The high efficiency heat exchanger of claim 1, wherein, The variable frequency water pump is connected with a water purifier.
10. The high efficiency heat exchanger of claim 1, wherein, The display is connected with a controller, and the variable frequency fan, the variable frequency water pump and the flow valve are connected with the controller.