Efficient ventilation and heat dissipation fan frequency conversion cabinet

Abstract

The utility model discloses an efficient ventilation and heat dissipation fan frequency conversion cabinet, which comprises a cabinet body, a ventilation and heat dissipation mechanism is arranged in the cabinet body, a dust filtering mechanism for preventing dust from entering the cabinet body is arranged at the bottom end of the cabinet body, two corresponding side walls of the cabinet body are respectively provided with an installation opening, and the bottom end of each installation opening is rotatably connected with an access door through a hinge. According to the fan frequency conversion cabinet, when the internal temperature of the cabinet body is in a normal temperature range, the normal ventilation and heat dissipation effects can be achieved through the multiple air outlets and the multiple communication ports, and the fan frequency conversion cabinet is convenient to use and high in practicability. And if the internal temperature exceeds a set temperature range, the temperature sensor and the controller are matched to convey cold air from the lower part to the upper part, so that the cold air spreads all corners in the cabinet body, and the second fan is matched to quickly discharge heat in the cabinet body, so that the efficient ventilation and heat dissipation effects are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of fan frequency conversion cabinets, in particular to a fan frequency conversion cabinet with high-efficiency ventilation and heat dissipation. Background Art

[0002] Frequency conversion cabinets are widely used in various types of tap water supply systems in urban and rural areas, high-rise building water supply, domestic water and fire-fighting water, constant pressure control of closed-loop water in industrial production conditions, secondary pressure control of flow systems in water plants, pumping stations and petrochemical industries, etc.

[0003] At present, the fan inverter cabinet usually uses a water-cooled heat exchanger to transfer heat to the outside, which has low heat dissipation efficiency. According to patent number CN 217362874 U discloses a fan frequency conversion cabinet with high efficiency ventilation and heat dissipation. The first fan and the second fan are respectively installed at the bottom and the top of the cabinet side wall. When dissipating heat, the first fan is used to suck external cold air into the cabinet, and the second fan is used to discharge internal hot air. The first ventilation hole of the device is used to allow external air to enter the cabinet, and the second ventilation hole and the third ventilation hole are used to discharge internal hot air. However, the first ventilation hole is opened at the air inlet box, and its ventilation diameter is small. During long-term ventilation, it is easy to cause dust accumulation on the filter cotton blanket at the first ventilation hole, causing difficulty in air intake, thereby greatly affecting the heat dissipation inside the cabinet; the existing device installs the first fan and the second fan in the air inlet box and the air outlet box respectively, so that the wind entering the cabinet is quickly discharged through the air outlet box along one side of the inside of the cabinet under the action of the second fan, which makes it difficult for the cool air to diffuse in all directions in the cabinet, resulting in some heat cannot be discharged well. For this reason, we propose a fan frequency conversion cabinet with high efficiency ventilation and heat dissipation. Utility Model Content

[0004] The utility model aims to provide a fan frequency conversion cabinet with high efficiency in ventilation and heat dissipation, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fan frequency conversion cabinet with high efficiency ventilation and heat dissipation, comprising a cabinet body, a ventilation and heat dissipation mechanism is arranged inside the cabinet body, a dust filtering mechanism is arranged at the bottom end of the cabinet body to prevent dust from entering the inside of the cabinet body, installation openings are provided on the corresponding two side walls of the cabinet body, and an inspection door is rotatably connected to the bottom end of the installation opening through a hinge, fixing bolts are equidistantly arranged on the top end of the inspection door located on the side outside the cabinet body, fixing holes matching the fixing bolts are provided on the top end of the installation opening, and the inspection door and the installation opening are fixedly connected by fixing bolts.

[0006] Preferably, the ventilation and heat dissipation mechanism includes a mounting rod, a first fan and a second fan. A buffer groove is provided at the bottom of the cabinet, and the buffer groove is connected to the interior of the cabinet. Connecting ports are provided at the bottom ends of the four side walls of the cabinet, and the connecting ports are connected to the interior of the buffer groove. The bottom and top ends of the cabinet are fixedly connected with mounting rods, a first fan is installed in the middle of the mounting rod at the bottom end of the cabinet, a second fan is fixedly installed in the middle of the mounting rod at the top end of the cabinet, and air outlets are provided at the top ends of the four side walls of the cabinet.

[0007] Preferably, the dust filtering mechanism includes a first dust filter, a moisture-proof mesh plate and a second dust filter. The first dust filter is installed in the connecting port, the second dust filter is fixedly connected to the top of the buffer groove, the top of the second dust filter is connected to the moisture-proof mesh plate, and the dust filter is installed in the air outlet.

[0008] Preferably, the diameter of the mesh holes on the surface of the second dust filter is smaller than the diameter of the mesh holes on the surface of the first dust filter, and the diameter of the mesh holes on the surface of the dustproof net is equal to the diameter of the mesh holes on the surface of the second dust filter.

[0009] Preferably, a controller is installed on the surface of the cabinet, a temperature sensor is installed on the inner wall of the cabinet, and the temperature sensor, the first fan and the second fan are all electrically connected to the controller.

[0010] Preferably, an inclined plate is fixedly connected to the top of the cabinet, and the inclined plate is located above the air outlet.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. When the temperature inside the cabinet is within the normal temperature range, the utility model can achieve normal ventilation and heat dissipation effects through multiple air outlets and multiple connecting ports. If the internal temperature exceeds the set temperature range, the cooperation of the temperature sensor and the controller can transport cold air from the bottom to the top, so that the cool air is spread to every corner inside the cabinet. In combination with the second fan, the heat inside the cabinet can be quickly discharged, achieving the effect of efficient ventilation and heat dissipation.

[0013] 2. When the utility model dissipates heat, the outside wind first enters the buffer tank through the connecting port, and the gas can be filtered once through the first dust filter to filter the dust particles outside, and then the second dust filter can be used for secondary filtration, which effectively prevents dust from entering the cabinet and accumulating on the surface of the device to affect the heat dissipation.

[0014] 3. The utility model provides inspection doors on both sides of the cabinet body for easy disassembly and installation, thereby facilitating the inspection or replacement of the internal components of the cabinet body and saving unnecessary trouble for maintenance personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the cabinet of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the cabinet of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the buffer tank and the second dust filter of the utility model.

[0019] In the figure: 1. cabinet; 2. ventilation and heat dissipation mechanism; 3. dust filtering mechanism; 4. installation port; 5. inspection door; 6. fixing hole; 7. fixing bolt; 8. installation rod; 9. first fan; 10. second fan; 11. air outlet; 12. dust screen; 13. inclined plate; 14. connecting port; 15. first dust filter; 16. moisture-proof mesh plate; 17. temperature sensor; 18. buffer tank; 19. second dust filter; 20. controller. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a fan frequency conversion cabinet with high efficiency ventilation and heat dissipation, comprising a cabinet body 1, a ventilation and heat dissipation mechanism 2 is arranged inside the cabinet body 1, a dust filtering mechanism 3 is arranged at the bottom end of the cabinet body 1 to prevent dust from entering the cabinet body 1, installation openings 4 are opened on the corresponding two side walls of the cabinet body 1, and the bottom end of the installation opening 4 is rotatably connected with an inspection door 5 through a hinge.

[0022] It should be noted that by providing the inspection doors 5 on both sides of the cabinet 1 for easy disassembly and installation, it is convenient to inspect or replace the internal components of the cabinet 1, thus saving unnecessary trouble for maintenance personnel.

[0023] The top of the inspection door 5 on the outside of the cabinet 1 is equidistantly provided with fixing bolts 7 , and the top of the installation opening 4 is provided with fixing holes 6 that cooperate with the fixing bolts 7 , and the inspection door 5 and the installation opening 4 are fixedly connected by the fixing bolts 7 .

[0024] It should be noted that when the utility model is used, when the temperature inside the cabinet 1 is within the normal temperature range, normal ventilation and heat dissipation effects can be achieved through the multiple air outlets 11 and the multiple connecting ports 14. The temperature sensor 17 installed inside the cabinet 1 can monitor the temperature inside the cabinet 1. If the internal temperature exceeds the set temperature range, the temperature sensor 17 detects a signal and transmits the signal to the controller 20. The controller 20 controls the first fan 9 and the second fan 10 on the back of the cabinet 1 to work. The first fan 9 can quickly input the outside air into the cabinet 1, and the second fan 10 can quickly input the outside air into the cabinet 1. The first fan 9 can quickly discharge the hot air inside the cabinet 1 when it is working. The cold air can be transported from the bottom to the top when the first fan 9 is working, so that the cool air is distributed to every corner inside the cabinet 1. In combination with the second fan 10, the heat inside the cabinet 1 can be quickly discharged, and the effect of efficient ventilation and heat dissipation can be achieved. During heat dissipation, the external wind first enters the buffer tank 18 through the connecting port 14, and the gas can be filtered once through the first dust filter 15 to filter the dust particles outside. The gas can be filtered twice through the second dust filter 19, which effectively prevents dust from entering the cabinet 1 and accumulating on the surface of the device to affect heat dissipation.

[0025] The ventilation and heat dissipation mechanism 2 includes a mounting rod 8, a first fan 9 and a second fan 10. A buffer groove 18 is provided at the bottom of the cabinet 1, and the buffer groove 18 is connected to the inside of the cabinet 1. Connecting ports 14 are provided at the bottom ends of the four side walls of the cabinet 1, and the connecting ports 14 are connected to the inside of the buffer groove 18. The bottom and top ends of the cabinet 1 are fixedly connected with the mounting rod 8. The first fan 9 is installed in the middle of the mounting rod 8 at the bottom end of the cabinet 1, and the second fan 10 is fixedly installed in the middle of the mounting rod 8 at the top end of the cabinet 1. Air outlets 11 are provided at the top ends of the four side walls of the cabinet 1.

[0026] It should be noted that when the internal temperature of the cabinet 1 is within the normal temperature range, normal ventilation and heat dissipation effects can be achieved through multiple air outlets 11 and multiple connecting ports 14. The temperature sensor 17 installed inside the cabinet 1 can monitor the temperature inside the cabinet 1. If the internal temperature exceeds the set temperature range, the temperature sensor 17 and the controller 20 are arranged in coordination to enable the first fan 9 to operate to input the air in the buffer tank 18 under the cabinet 1 toward the interior of the cabinet 1, so that the cold gas is input into the interior of the cabinet 1 on a large scale. When the second fan 10 is working, it can transport the wind inside the cabinet 1 upward, so that the hot gas is discharged to the outside of the cabinet 1 through multiple air outlets 11.

[0027] The dust filtering mechanism 3 includes a first dust filter 15, a moisture-proof mesh plate 16 and a second dust filter 19. The first dust filter 15 is installed in the connecting port 14, the second dust filter 19 is fixedly connected to the top of the buffer groove 18, the top of the second dust filter 19 is connected to the moisture-proof mesh plate 16, and the dustproof net 12 is installed in the air outlet 11.

[0028] It should be noted that when heat is dissipated, the outside wind first enters the buffer tank 18 through the connecting port 14, and the gas can be filtered once through the first dust filter 15 to filter the dust particles outside, and then the second dust filter 19 can perform a secondary filtration, which effectively prevents dust from entering the cabinet 1 and accumulating on the surface of the device to affect heat dissipation.

[0029] The diameter of the mesh holes on the surface of the second dust filter 19 is smaller than the diameter of the mesh holes on the surface of the first dust filter 15 , and the diameter of the mesh holes on the surface of the dustproof net 12 is equal to the diameter of the mesh holes on the surface of the second dust filter 19 .

[0030] It should be noted that, by cooperating with the first dust filter 15 and the second dust filter 19, the wind entering the cabinet 1 can be filtered twice, thereby avoiding heat dissipation failure caused by blockage of one filter.

[0031] A controller 20 is installed on the surface of the cabinet 1 , a temperature sensor 17 is installed on the inner wall of the cabinet 1 , and the temperature sensor 17 , the first fan 9 and the second fan 10 are all electrically connected to the controller 20 .

[0032] It should be noted that if the internal temperature exceeds the set temperature range, the temperature sensor 17 detects a signal and transmits the signal to the controller 20. The controller 20 controls the operation of the first fan 9 and the second fan 10 on the back of the cabinet 1. The first fan 9 can quickly input the outside air into the cabinet 1, and the operation of the second fan 10 can quickly discharge the hot air inside the cabinet 1.

[0033] The top of the cabinet 1 is fixedly connected with an inclined plate 13 , and the inclined plate 13 is located above the air outlet 11 .

[0034] It should be noted that the arrangement of the inclined plate 13 can prevent rainwater from entering the air outlet 11 on rainy days, thereby preventing water from entering the cabinet 1 and causing moisture.

[0035] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan frequency conversion cabinet with high efficiency in ventilation and heat dissipation, comprising a cabinet body (1), characterized in that: The cabinet (1) is provided with a ventilation and heat dissipation mechanism (2) inside, and the bottom end of the cabinet (1) is provided with a dust filter mechanism (3) for preventing dust from entering the cabinet (1). The corresponding two side walls of the cabinet (1) are provided with mounting openings (4), and the bottom end of the mounting opening (4) is rotatably connected to an inspection door (5) through a hinge. The top end of the inspection door (5) located on the outside of the cabinet (1) is provided with fixing bolts (7) at equal distances, and the top end of the mounting opening (4) is provided with fixing holes (6) that cooperate with the fixing bolts (7), and the inspection door (5) and the mounting opening (4) are fixedly connected by the fixing bolts (7).

2. The fan frequency conversion cabinet with high efficiency ventilation and heat dissipation according to claim 1 is characterized by: The ventilation and heat dissipation mechanism (2) comprises a mounting rod (8), a first fan (9) and a second fan (10); a buffer groove (18) is provided at the bottom of the cabinet (1), and the buffer groove (18) is communicated with the interior of the cabinet (1); the bottom ends of the four side walls of the cabinet (1) are provided with connecting openings (14), and the connecting openings (14) are communicated with the interior of the buffer groove (18); the bottom and top ends of the cabinet (1) are fixedly connected with the mounting rod (8); the middle part of the mounting rod (8) at the bottom end of the cabinet (1) is provided with the first fan (9); the middle part of the mounting rod (8) at the top end of the cabinet (1) is provided with the second fan (10); and the top ends of the four side walls of the cabinet (1) are provided with air outlets (11).

3. A fan frequency conversion cabinet with high efficiency ventilation and heat dissipation according to claim 2, characterized in that: The dust filtering mechanism (3) comprises a first dust filter (15), a moisture-proof mesh plate (16) and a second dust filter (19); the first dust filter (15) is installed in the connecting port (14); the second dust filter (19) is fixedly connected to the top of the buffer groove (18); the top of the second dust filter (19) is connected to the moisture-proof mesh plate (16); and the dust filter (12) is installed in the air outlet (11).

4. The fan frequency conversion cabinet with high efficiency ventilation and heat dissipation according to claim 3 is characterized by: The diameter of the mesh holes on the surface of the second dust filter (19) is smaller than the diameter of the mesh holes on the surface of the first dust filter (15), and the diameter of the mesh holes on the surface of the dustproof net (12) is equal to the diameter of the mesh holes on the surface of the second dust filter (19).

5. The fan frequency conversion cabinet with high efficiency ventilation and heat dissipation according to claim 1 is characterized in that: A controller (20) is installed on the surface of the cabinet (1), a temperature sensor (17) is installed on the inner wall of the cabinet (1), and the temperature sensor (17), the first fan (9) and the second fan (10) are all electrically connected to the controller (20).

6. The fan frequency conversion cabinet with high efficiency ventilation and heat dissipation according to claim 2 is characterized by: The top of the cabinet (1) is fixedly connected with an inclined plate (13), and the inclined plate (13) is located above the air outlet (11).

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