Intelligent cross-flow cooling tower and control system thereof

Abstract

The invention discloses an intelligent cross-flow cooling tower and a control system thereof, and belongs to the technical field of heat exchange equipment, the intelligent cross-flow cooling tower comprises a bottom box, an adjusting box is movably mounted at the top end of the bottom box, and a top box is movably mounted at the top end of the adjusting box; the bottom box is provided with a driving machine, the output end of the driving machine is in transmission connection with the adjusting box, the adjusting box is provided with a linear transmission assembly, and the linear transmission assembly is in transmission connection with the bottom box and the top box. The height of the adjusting box and the height of the top box are adjustable, so that the height difference between the spraying holes and the bottom face of the bottom box is adjustable, when the height of the adjusting box and the height of the top box are increased, the area of the air inlet can be increased, and the flowing length of hot water in the filler assembly is determined; and the area of the air inlet is increased, so that the intersection area of air and hot water in the filler assembly is increased, and the heat dissipation efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchange equipment, in particular to an intelligent cross-flow cooling tower and a control system thereof. Background Art

[0002] A cooling tower is a heat exchange device commonly used in central air conditioners and other equipment. The heat in the central air conditioner is input into the cooling tower through a heat exchange medium, and the heat is dissipated through the cooling effect of the cooling tower. The commonly used heat exchange medium is water.

[0003] Currently, the existing cooling towers include two types: cross-flow and counter-flow. Cross-flow cooling towers usually have lateral air inlets and upward air outlets. A variable frequency fan is installed at the air outlet. When the fan is working, horizontally flowing air is sucked in through the air inlet. The air passes horizontally through the filler inside the cooling tower and moves upward. Under the action of the water pump, hot water falls from the spray port at the top of the cooling tower, passes vertically through the filler layer inside the cooling tower and falls to the bottom of the cooling tower. Therefore, in the filler layer, the flow directions of water and air are perpendicular to each other.

[0004] In the above-mentioned prior art, the cross-flow cooling tower usually utilizes a variable frequency fan and the shutters equipped on the cooling tower itself to adjust the air flow rate and flow rate. However, its disadvantage is that since the distance between the spray port of the cooling tower and the bottom of the cooling tower is fixed, the area of ​​the air inlet is fixed, and the height of the filler in the vertical direction is also fixed, the intersection area of ​​the hot water and the inhaled external air in the filler layer is also fixed, and it is difficult to adjust the cooling efficiency of the cooling tower according to actual usage requirements. For example, when the cooling efficiency needs to be improved, the power of the fan needs to be increased, which will cause energy waste.

[0005] Therefore, we proposed an intelligent cross-flow cooling tower and its control system to solve the above problems.

[0006] The above information disclosed in this background technology is only used to increase the understanding of the background technology of the present invention and therefore, it may include information that does not constitute the prior art known to ordinary technicians in this field. Summary of the invention

[0007] The object of the present invention is to provide an intelligent cross-flow cooling tower and a control system thereof, so as to solve the problem that the cross-flow cooling tower in the current market is difficult to adjust the heat exchange efficiency, as mentioned in the above background technology.

[0008] To achieve the above object, the present invention provides an intelligent cross-flow cooling tower and a control system thereof, comprising a bottom box, a regulating box is movably installed on the top of the bottom box, and a top box is movably installed on the top of the regulating box;

[0009] The bottom box is provided with a driving machine, the output end of the driving machine is drivingly connected to the regulating box, the regulating box is provided with a linear transmission assembly, and the linear transmission assembly is drivingly connected to the bottom box and the top box;

[0010] The top box is provided with a fan, and a filler assembly is movably installed in the inner cavity of the top box;

[0011] The bottom end of the filler assembly passes through the adjustment box and into the bottom box;

[0012] The bottom box is provided with a water outlet hole, and is connected to a water pump via a water pipe installed in the water outlet hole. The water pump is also connected to the top box via the water pipe.

[0013] Preferably, the regulating box comprises a first box body, the first box body is provided with an air inlet, and is rotatably connected to a box door located at the air inlet, and the box door is provided with a shutter;

[0014] The first box body is also provided with a side plate, and the linear transmission assembly is arranged between the first box body and the side plate.

[0015] Preferably, the top box includes a second box body, the second box body is provided with an air outlet, and the fan is arranged at the air outlet;

[0016] A hanging rod is provided at the bottom of the second box body, and the filler assembly is provided on the hanging rod;

[0017] The second box body is also provided with a vertical rod, on which a water baffle is provided, and the water baffle is located between the fan and the filler assembly in the horizontal direction;

[0018] A cover plate is installed on the top surface of the second box body by bolts, the cover plate is provided with a water inlet hole, and the end of the water pipe connected to the water pump is arranged on the water inlet hole;

[0019] The bottom surface of the second box body is provided with a spray hole;

[0020] The vertical rod passes through the first box body and the bottom end is located in the bottom box.

[0021] Preferably, the linear transmission assembly includes three first connecting shafts, which are respectively fixed on the bottom box, the first box body and the second box body;

[0022] The first connecting shafts located on the bottom box and the second box body are both rotatably connected to the first transmission rod, and the first connecting shaft located on the first box body is rotatably connected to two second transmission rods;

[0023] The first transmission rod and the second transmission rod are rotatably connected via a second connecting shaft.

[0024] Preferably, the packing assembly comprises an inner box body, the inner box body is provided with a connecting rod, and springs are distributed at intervals on the connecting rod;

[0025] One of the inner boxes is mounted on the hanging rod;

[0026] Nuts are threadedly mounted on both ends of the connecting rod.

[0027] Preferably, the inner box body is provided with a slot, and the slot is a "T"-shaped structure;

[0028] The hanging rod includes a cross bar, which is fixedly mounted on the second box body;

[0029] The crossbar is provided with a T-shaped rod, and the T-shaped rod is inserted into the slot.

[0030] Preferably, the inner box body comprises a placement box, the placement box is provided with a mesh plate, and an inner filler is provided in the inner cavity of the placement box.

[0031] Preferably, the inner filler is a corrugated filler or a honeycomb filler;

[0032] Preferably, the bottom box and the first box body, and the first box body and the second box body are sealedly connected.

[0033] Preferably, it also includes a control system, which includes a temperature sensor, a humidity sensor, a PID controller, an electric valve and a human-computer interaction interface;

[0034] The temperature sensor is arranged at the bottom of the second box, the bottom of the inner cavity of the bottom box, the air outlet of the second box, and below the spray hole of the second box;

[0035] The humidity sensor is arranged at the air outlet opened by the second box;

[0036] The PID controller and the human-computer interaction interface are arranged on the first box;

[0037] The electric valve is arranged on the water pipe on which the water pump is installed;

[0038] The temperature sensor, humidity sensor, electric valve and fan are electrically connected to the PID controller, and the PID controller is electrically connected to the human-computer interaction interface.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] (1) The present invention arranges the regulating box and the top box in a height-adjustable form, so that the height difference between the spray hole and the bottom surface of the bottom box is adjustable, and when the height of the regulating box and the top box is increased, the area of ​​the air inlet can be increased. The length of the hot water flowing through the filler assembly is fixed, and the increase in the area of ​​the air inlet increases the intersection area of ​​the air and the hot water in the filler assembly, thereby improving the heat dissipation efficiency.

[0041] (2) The present invention provides a box door at the air inlet and installs a shutter on the box door, so that the box door can be directly opened to perform corresponding operations during inspection and maintenance, and the inspection process is simple and convenient.

[0042] (3) The present invention provides a detachable packing assembly. Therefore, when the packing assembly is clogged due to long-term use, it can be disassembled for cleaning and maintenance, or replaced.

[0043] (4) The present invention monitors the operating status inside the cooling tower and makes corresponding adjustments through the cooperation of temperature sensors, humidity sensors and electric valves, ensuring that the flow rate of cooling water accurately matches the demand of heat load, optimizing the thermal performance of the system and avoiding the waste of water resources.

[0044] (5) The present invention monitors the cooling efficiency of the cooling tower by monitoring the temperature difference before and after the hot water is cooled and the temperature difference during the inhalation and the blowing out through a temperature sensor, and then can adjust the fan power and the degree of opening and closing of the shutters according to the obtained data, and can adjust the area of ​​the air inlet that can inhale air as needed, and then change the intersection area of ​​the air and hot water in the filler assembly, and then adjust the heat exchange efficiency of the cooling tower, and judge the ratio of the heat retained in the cooling tower based on the temperature difference data, and then judge whether the interior of the cooling tower needs to be inspected and maintained.

[0045] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0047] Figure 2 for Figure 1 Schematic diagram of the structure after the regulating box is hidden;

[0048] Figure 3 It is a schematic structural diagram of the packing assembly of the present invention;

[0049] Figure 4 for Figure 2 Schematic diagram of the structure after hiding the linear transmission component and the packing component;

[0050] Figure 5 for Figure 4 A magnified view of the structure at center A;

[0051] Figure 6 for Figure 1 A cross-sectional schematic diagram of

[0052] Figure 7 It is a structural schematic diagram of the inner box of the present invention;

[0053] Figure 8 for Figure 7 A three-dimensional cross-sectional view of .

[0054] In the figure: 1, bottom box; 2, adjustment box; 3, top box; 4, fan; 5, drive machine; 6, linear transmission assembly; 7, filler assembly; 8, water pump; 9, control system; 10, water outlet;

[0055] 21. first box body; 22. air inlet; 23. box door; 24. shutter; 25. side panel;

[0056] 31. Second box; 32. Air outlet; 33. Hanging rod; 34. Vertical rod; 35. Water baffle; 36. Cover plate; 37. Water inlet hole; 38. Spray hole;

[0057] 331, crossbar; 332, T-bar;

[0058] 61. first connecting shaft; 62. first transmission rod; 63. second transmission rod; 64. second connecting shaft;

[0059] 71. Inner box; 72. Connecting rod; 73. Spring; 74. Nut; 75. Slot;

[0060] 711, placement box; 712, mesh plate; 713, inner filler;

[0061] 91. Temperature sensor; 92. Humidity sensor; 93. PID controller; 94. Electric valve; 95. Human-computer interaction interface. DETAILED DESCRIPTION

[0062] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. It should be pointed out that the drawings are schematic and not drawn to scale. For the sake of clarity and convenience in the figures, the relative sizes and proportions of the parts shown in the figures are exaggerated or reduced in size, and any size is only exemplary and not restrictive.

[0063] Embodiment 1:

[0064] See also Figure 1-Figure 2, an intelligent cross-flow cooling tower and its control system, comprising: a bottom box 1, a regulating box 2 is movably installed on the top of the bottom box 1, and a top box 3 is movably installed on the top of the regulating box 2; the bottom box 1 is provided with a driving machine 5, the output end of the driving machine 5 is transmission-connected with the regulating box 2, the regulating box 2 is provided with a linear transmission assembly 6, and the linear transmission assembly 6 is transmission-connected with the bottom box 1 and the top box 3; the top box 3 is provided with a fan 4, and a packing assembly 7 is movably installed in the inner cavity of the top box 3; the bottom end of the packing assembly 7 passes through the regulating box 2 and penetrates into the bottom box 1; the bottom box 1 is provided with a water outlet 10, and is connected with a water pump 8 through a water pipe installed in the water outlet 10, and the water pump 8 is also connected with the top box 3 through a water pipe.

[0065] Among them, the driving machine 5 adopts the equipment such as cylinder, electric telescopic rod or hydraulic rod in the prior art to realize linear drive. When in use, the driving machine 5 executes the action to make the adjustment box 2 rise and fall, thereby adjusting the height difference between the bottom box 1 and the top box 3. Through the action of the linear transmission component 6, when the adjustment box 2 rises and falls, the top box 3 will also be driven to rise and fall.

[0066] In the above technical solution, the bottom box 1 is used to receive water, and the top box 3 is used to spray the water input by the water pump 8, which falls into the bottom box 1 after passing through the regulating box 2 and the filler assembly 7, and is sucked in by the fan 4. The external air passes horizontally through the regulating box 2 and the filler assembly 7, and then moves upward to the fan 4 to leave. In this process, the air and water are perpendicular to each other when they meet in the filler assembly 7, taking away the heat in the water.

[0067] Therefore, it can be known that the role of adjusting the height difference between the bottom box 1 and the top box 3 is to change the course of the water cooling path. Since the longer the water is in contact with the air during the cooling process, the more heat it takes away, therefore adjusting the height difference between the bottom box 1 and the top box 3 and changing the course of the water cooling path can change the time when water and air intersect, thereby changing the cooling efficiency, thereby improving the applicability of the cooling tower.

[0068] See also Figure 1 The regulating box 2 includes a first box body 21, which is provided with an air inlet 22 and is rotatably connected to a box door 23 located at the air inlet 22, and the box door 23 is provided with a shutter 24; the first box body 21 is also provided with a side panel 25, and the linear transmission assembly 6 is arranged between the first box body 21 and the side panel 25.

[0069] By adopting the above technical solution, the box door 23 can be opened and closed, and the interior of the cooling tower can be inspected and maintained when the box door 23 is opened.

[0070] See also Figure 1 , Figure 2 and Figure 4The top box 3 includes a second box body 31, which is provided with an air outlet 32, and the fan 4 is arranged at the air outlet 32; a hanging rod 33 is provided at the bottom of the second box body 31, and the filler assembly 7 is arranged on the hanging rod 33; the second box body 31 is also provided with a vertical rod 34, and a water baffle 35 is provided on the vertical rod 34, and the water baffle 35 is located between the fan 4 and the filler assembly 7 in the horizontal direction; a cover plate 36 is installed on the top surface of the second box body 31 by bolts, and the cover plate 36 is provided with a water inlet hole 37, and the end of the water pipe connected to the water pump 8 is arranged on the water inlet hole 37; a spray hole 38 is provided on the bottom surface of the second box body 31; the vertical rod 34 passes through the first box body 21 and the bottom end is located in the bottom box 1.

[0071] By adopting the above technical solution, the filler assembly 7 can be installed on the hanging rod 33 during installation, and the filler assembly 7 can be directly removed during disassembly for cleaning and maintenance.

[0072] See also Figure 1 and Figure 2 The linear transmission assembly 6 includes a first connecting shaft 61, which is provided with three and is respectively fixed on the bottom box 1, the first box body 21 and the second box body 31; the first connecting shafts 61 located on the bottom box 1 and the second box body 31 are both rotatably connected to the first transmission rod 62, and the first connecting shaft 61 located on the first box body 21 is rotatably connected to two second transmission rods 63; the first transmission rod 62 and the second transmission rod 63 are rotatably connected via the second connecting shaft 64.

[0073] The above-mentioned second transmission rod 63 constitutes an "X"-shaped structure, and can rotate around the first connecting shaft 61 installed on the first box body 21 as the axis. The first transmission rod 62 rotates around the first connecting shaft 61 installed on the bottom box 1 and the second box body 31, and the first transmission rod 62 constitutes a "V"-shaped structure. Therefore, when the driving machine 5 drives the first box body 21 to rise, it drives the first connecting shaft 61 installed on the first box body 21 to rise. Under the action of the second connecting shaft 64, the "V"-shaped angle of the second transmission rod 63 changes, thereby pushing the first connecting shaft 61 installed on the second box body 31 to rise, and then driving the second box body 31 to rise, thereby changing the height difference between the bottom box 1, the first box body 21 and the second box body 31.

[0074] See also Figure 3 , Figure 6 , Figure 7 as well as Figure 8 The packing assembly 7 includes three inner boxes 71, each of which is provided with a connecting rod 72, and springs 73 are distributed at intervals on the connecting rod 72; one of the inner boxes 71 is installed on the hanging rod 33; nuts 74 are threadedly installed at both ends of the connecting rod 72.

[0075] The connecting rod 72 is fixed to the inner box body 71 located in the middle, so during installation, the number of the inner boxes 71 can be increased or decreased according to actual usage requirements, with the length of the multiple inner boxes 71 in the vertical direction.

[0076] The inner box body 71 is provided with a slot 75 which is a “T”-shaped structure; the hanging rod 33 includes a cross bar 331 which is fixedly mounted on the second box body 31 ; the cross bar 331 is provided with a T-shaped rod 332 which is inserted into the slot 75 .

[0077] The inner box body 71 includes a placement box 711, the placement box 711 is provided with a mesh plate 712, and an inner filler 713 is provided in the inner cavity of the placement box 711, and the inner filler 713 is a corrugated filler or a honeycomb filler;

[0078] The bottom box 1 and the first box body 21 , and the first box body 21 and the second box body 31 are sealed to prevent air and water from flowing out of the gaps between the bottom box 1 and the first box body 21 , and the first box body 21 and the second box body 31 .

[0079] Embodiment 2:

[0080] See also Figure 1 , Figure 4 , Figure 5 and Figure 6 , also includes a control system 9, the control system 9 includes a temperature sensor 91, a humidity sensor 92, a PID controller 93, an electric valve 94 and a human-machine interface 95; the temperature sensor 91 is arranged at the bottom of the second box body 31, the bottom of the inner cavity of the bottom box 1, the air outlet 32 ​​opened by the second box body 31 and below the spray hole 38 opened by the second box body 31; the humidity sensor 92 is arranged at the air outlet 32 ​​opened by the second box body 31; the PID controller 93 and the human-machine interface 95 are arranged on the first box body 21; the electric valve 94 is arranged on the water pipe installed by the water pump 8; the temperature sensor 91, the humidity sensor 92, the electric valve 94 and the fan 4 are electrically connected to the PID controller 93, and the PID controller 93 is electrically connected to the human-machine interface 95.

[0081] By adopting the above technical solution, during installation or use, the temperature sensor 91 is used to collect the temperature of the external air at the air inlet 22, the temperature at the air outlet 32, and the temperature after cooling in the bottom box 1 to judge the cooling efficiency of the cooling tower, and the obtained data is transmitted to the PID controller 93. The operator can perform corresponding operations on the human-computer interaction interface 95 according to the obtained data. The electric valve 94 automatically adjusts the opening of the electric valve 94 according to the data collected by the temperature sensor 91 to ensure that the flow rate of cooling water accurately matches the demand of the heat load, optimize the thermal performance of the system, and can control the speed of the fan 4 to keep the cooling water in the optimal temperature range.

[0082] Embodiment 3:

[0083] The difference from Example 1 is that the inner boxes 71 of the filler assembly 7 can be other numbers, and are connected to each other in the vertical direction through connecting rods 72 and springs 73, and the distance between adjacent inner boxes 71 is adjustable to ensure that the overall height of the inner boxes 71 is greater than the height of the air outlet 32, so that when in use, it is ensured that the air inhaled through the air inlet 22 can pass through the inner boxes 71.

[0084] Working principle: During installation, the inner box 71 is installed according to the actual use requirements, and the inner box 71 is mounted on the hanging rod 33 as a whole. After closing the box door 23, the height of the adjusting box 2 is changed by controlling the driving machine 5. Under the action of the linear transmission component 6, the spacing between the bottom box 1, the adjusting box 2 and the top box 3 is controlled to adjust the spacing from the spray hole 38 to the filler assembly 7, and the maximum area of ​​the air inlet 22 opened by the adjusting box 2 that can inhale air, so that the intersection area of ​​air and hot water in the filler assembly 7 changes, thereby adjusting the cooling tower to the required heat exchange efficiency. During maintenance, the box door 23 is opened, the filler assembly 7 is taken out, and maintenance is carried out, or a new inner box 71 is replaced, or the number of inner boxes 71 is increased or decreased.

[0085] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0086] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0087] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0088] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0089] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0090] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0091] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent cross-flow cooling tower and its control system, characterized in that: It comprises a bottom box (1), an adjusting box (2) is movably mounted on the top of the bottom box (1), and a top box (3) is movably mounted on the top of the adjusting box (2); The bottom box (1) is provided with a driving machine (5), the output end of the driving machine (5) is drivingly connected to the regulating box (2), the regulating box (2) is provided with a linear transmission assembly (6), and the linear transmission assembly (6) is drivingly connected to the bottom box (1) and the top box (3); The top box (3) is provided with a fan (4), and a filler assembly (7) is movably installed in the inner cavity of the top box (3); The bottom end of the filler assembly (7) passes through the adjustment box (2) and penetrates into the bottom box (1); The bottom box (1) is provided with a water outlet (10), and is connected to a water pump (8) via a water pipe installed in the water outlet (10); the water pump (8) is also connected to the top box (3) via the water pipe.

2. An intelligent cross-flow cooling tower and its control system according to claim 1, characterized in that: The regulating box (2) comprises a first box body (21), the first box body (21) is provided with an air inlet (22), and is rotatably connected to a box door (23) located at the air inlet (22), and the box door (23) is provided with a shutter (24); The first box body (21) is also provided with a side plate (25), and the linear transmission assembly (6) is arranged between the first box body (21) and the side plate (25).

3. An intelligent cross-flow cooling tower and its control system according to claim 2, characterized in that: The top box (3) comprises a second box body (31), the second box body (31) is provided with an air outlet (32), and the fan (4) is arranged at the air outlet (32); A hanging rod (33) is provided at the bottom of the second box body (31), and the filler assembly (7) is arranged on the hanging rod (33); The second box body (31) is further provided with a vertical rod (34), and a water baffle (35) is provided on the vertical rod (34), and the water baffle (35) is located between the fan (4) and the filler assembly (7) in the horizontal direction; A cover plate (36) is installed on the top surface of the second box body (31) by means of bolts, the cover plate (36) is provided with a water inlet hole (37), and the end of the water pipe connected to the water pump (8) is arranged on the water inlet hole (37); The bottom surface of the second box body (31) is provided with a spray hole (38); The vertical rod (34) passes through the first box body (21) and the bottom end is located in the bottom box (1).

4. An intelligent cross-flow cooling tower and its control system according to claim 3, characterized in that: The linear transmission assembly (6) comprises three first connecting shafts (61) which are respectively fixed on the bottom box (1), the first box body (21) and the second box body (31); The first connecting shaft (61) located on the bottom box (1) and the second box body (31) are both rotatably connected to the first transmission rod (62), and the first connecting shaft (61) located on the first box body (21) is rotatably connected to two second transmission rods (63); The first transmission rod (62) and the second transmission rod (63) are rotatably connected via a second connecting shaft (64).

5. The intelligent cross-flow cooling tower and control system according to claim 3, characterized in that: The packing assembly (7) comprises an inner box (71), the inner box (71) is provided with a connecting rod (72), and springs (73) are distributed at intervals on the connecting rod (72); One of the inner boxes (71) is mounted on the hanging rod (33); Nuts (74) are threadedly mounted on both ends of the connecting rod (72).

6. An intelligent cross-flow cooling tower and its control system according to claim 5, characterized in that: The inner box (71) is provided with a slot (75), and the slot (75) is a "T"-shaped structure; The hanging rod (33) comprises a crossbar (331) fixedly mounted on the second box body (31); The crossbar (331) is provided with a T-shaped bar (332), and the T-shaped bar (332) is inserted into the slot (75).

7. The intelligent cross-flow cooling tower and control system thereof according to claim 5, characterized in that: The inner box body (71) comprises a placement box (711), the placement box (711) is provided with a mesh plate (712), and an inner filler (713) is provided in the inner cavity of the placement box (711).

8. An intelligent cross-flow cooling tower and control system thereof according to claim 7, characterized in that: The inner filler (713) is a corrugated filler or a honeycomb filler.

9. The intelligent cross-flow cooling tower and control system thereof according to claim 3, characterized in that: The bottom box (1) and the first box body (21), and the first box body (21) and the second box body (31) are sealedly connected.

10. The intelligent cross-flow cooling tower and control system thereof according to claim 3, characterized in that: It also includes a control system (9), wherein the control system (9) includes a temperature sensor (91), a humidity sensor (92), a PID controller (93), an electric valve (94), and a human-machine interaction interface (95); The temperature sensor (91) is arranged at the bottom of the second box (31), the bottom of the inner cavity of the bottom box (1), the air outlet (32) provided in the second box (31), and below the spray hole (38) provided in the second box (31); The humidity sensor (92) is disposed at the air outlet (32) provided in the second box body (31); The PID controller (93) and the human-machine interaction interface (95) are arranged on the first box (21); The electric valve (94) is arranged on the water pipe on which the water pump (8) is installed; The temperature sensor (91), the humidity sensor (92), the electric valve (94) and the fan (4) are electrically connected to the PID controller (93), and the PID controller (93) is electrically connected to the human-machine interaction interface.

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