An electric control cabinet of a butterfly valve

Abstract

The utility model discloses a butterfly valve's electrical control cabinet, including the cabinet body, the front side hinge of cabinet body is connected with the switch door, and the front side opening of switch door is bolted with the heat dissipation fan, and the top opening of cabinet body is bolted with the exhaust fan, and the inside array of specified heat dissipation cylinder is equipped with the heat dissipation part, and the surface of the center position department of specified heat dissipation cylinder is sleeved with the connecting ring, and the heating box is fixed in the connecting end department of connecting ring, and the butterfly valve control cabinet works, first by the cabinet door heat dissipation fan and the top exhaust fan constitute the basic circulating air duct, and the heat generated by the element is discharged continuously, when temperature sensor identifies the local overheating, makes specified heat dissipation cylinder accurate movement to the high temperature element side, and its vortex fan blade carries out the reinforced heat dissipation to the target, if humidity sensor or camera detects the condensation risk, then control rotating electrical machine will heat the box and turn to the heat dissipation cylinder air outlet, and the heat generated by resistance heater is converted into directional warm wind by air current, and accurate blowing condensation area.

Description

Technical Field

[0001] This utility model relates to the technical field of butterfly valve control cabinets, specifically to an electrical control cabinet for a butterfly valve. Background Technology

[0002] A control cabinet is a device that assembles switching equipment, measuring instruments, protective electrical appliances, and auxiliary equipment in a closed or semi-closed metal cabinet or panel according to electrical wiring requirements. Its layout should meet the requirements of normal operation of the power system, facilitate maintenance, and not endanger personal safety or the safety of surrounding equipment. During normal operation, the circuit can be connected or disconnected manually or automatically. In case of fault or abnormal operation, the circuit is cut off or an alarm is triggered by protective electrical appliances. Measuring instruments can display various operating parameters and allow adjustment of certain electrical parameters. Deviations from normal operating conditions can be alerted or signaled. A butterfly valve control cabinet is a specialized electrical device used in industrial pipeline systems for the automated control of butterfly valve opening and closing. It integrates contactors, relays, terminals, and other electrical components. By receiving control signals, it drives a motor to execute the opening, closing, and adjustment operations of the butterfly valve. Its core function is to provide power conversion, signal transmission, and operational protection for the butterfly valve, ensuring precise flow control and safety interlocking functions in the fluid pipeline.

[0003] However, existing technologies still have significant shortcomings. Traditional butterfly valve control cabinets rely solely on fans in fixed locations for overall ventilation, which cannot provide precise cooling for high-heat components. This results in localized high-temperature zones within the cabinet, accelerating component aging. Furthermore, the lack of anti-condensation mechanisms means that moisture can easily condense inside the cabinet when there are large temperature differences between day and night, leading to corrosion of metal parts and short circuits, which seriously affects the stability and lifespan of the equipment. Utility Model Content

[0004] The purpose of this utility model is to provide an electrical control cabinet for a butterfly valve to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an electrical control cabinet for a butterfly valve, comprising a cabinet body, a switch door connected to the front hinge of the cabinet body, a cooling fan bolted to the front opening of the switch door, an exhaust fan bolted to the top opening of the cabinet body, a filter layer connected to the air inlet of the cooling fan, a designated heat dissipation cylinder provided inside the cabinet body, heat dissipation components arranged in an array inside the designated heat dissipation cylinder, a connecting ring sleeved on the surface of the center position of the designated heat dissipation cylinder, and a heating box fixed at the connecting end of the connecting ring.

[0006] As can be seen, in the above technical solution, when the butterfly valve control cabinet is working, the cabinet door cooling fan and the top exhaust fan first form a basic circulating air duct to continuously discharge the heat generated by the components. When the temperature sensor detects local overheating, it moves the designated heat sink precisely to the side of the high-temperature component, and its vortex fan blades enhance the heat dissipation of the target. If the humidity sensor or camera detects the risk of condensation, it controls the rotary motor to rotate the heating box to the air outlet of the heat sink. After the resistance heater generates heat, it is converted into directional warm air by the airflow, which accurately blows away the condensation area, ensuring the long-term stable operation of the electrical cabinet under complex working conditions.

[0007] Preferably, the designated heat sink is cylindrical, and the connecting ring is movably connected to the surface of the designated heat sink.

[0008] As can be seen, in the above technical solution, the cylindrical shape of the specified heat sink cylinder facilitates the connection of the connecting ring and allows the connecting ring to rotate along the surface of the specified heat sink cylinder.

[0009] Preferably, the cabinet has lifting slots on both sides inside, and the two ends of the designated heat dissipation cylinder are fixed with movable parts, and the movable parts cooperate with the lifting slots.

[0010] As can be seen, in the above technical solution, the lifting groove can limit the position of the moving part. Both the moving part and the lifting groove are rectangular, ensuring that the moving part will not deviate or shake when it moves.

[0011] Preferably, a lead screw is installed in the lifting groove, and a moving part is sleeved on the surface of the lead screw, and the moving part is threadedly connected to the surface of the lead screw.

[0012] As can be seen, in the above technical solution, the lifting motor drives the lead screw mechanism to move the designated heat sink precisely to the side of the high-temperature component, and its vortex fan blades enhance the heat dissipation of the target.

[0013] Preferably, the connecting ring has a circumferential array of toothed grooves on its surface, and a control motor and gears are respectively installed on the bottom surface of the designated heat sink.

[0014] As can be seen, in the above technical solution, the connecting ring is sleeved on the surface of the designated heat sink cylinder, and its surface includes a surrounding toothed groove. There is no toothed groove at the connection end between the connecting ring and the heating box.

[0015] Preferably, the gear surface meshes with the surrounding tooth groove, and the control motor is connected to the bottom surface of the designated heat sink.

[0016] As can be seen, in the above technical solution, the addition of a gear that meshes with the surrounding tooth groove allows the connecting ring and the connected heating box to rotate together along the surface of the designated heat sink when the control motor drives the gear to rotate. This enables control of the heating box. When needed, it can be rotated to the position of the heat sink outlet, and when not needed, the two can simply be separated.

[0017] Compared with the prior art, the beneficial effects of this utility model are: The butterfly valve control cabinet achieves basic heat dissipation through exhaust fans and cooling fans. Combined with a liftable, designated heat dissipation cylinder and a rotatable heating box, it achieves efficient and precise heat dissipation and moisture removal. The screw-lifting module drives the heat dissipation cylinder to a localized high-temperature point identified by the temperature sensor. Targeted forced convection cooling is then achieved through the vortex fan of the heat dissipation component. This, combined with the cooling and exhaust fans, significantly improves cooling efficiency, lowering the temperature of critical components. When condensation risk is detected inside the cabinet, the gear transmission mechanism rotates and positions the heating box at the front of the heat dissipation component's air duct, generating directional, dry, warm air to eliminate moisture in specific locations. This fundamentally prevents insulation degradation and short-circuit risks, ensuring the cabinet environment is always maintained within the optimal operating range for electrical components, greatly improving system reliability and extending service life. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a schematic diagram of the overall design of this utility model; Figure 3 This is a diagram of the internal structure of the cabinet of this utility model; Figure 4 This is a front view of the present invention; Figure 5 This is a structural diagram of the designated heat sink of this utility model; Figure 6 This is a structural diagram of the heating box of this utility model.

[0019] In the diagram: 1. Cabinet; 11. Door opening and closing; 12. Exhaust fan; 13. Cooling fan; 14. Filter layer; 2. Designated heat dissipation cylinder; 21. Heat dissipation component; 22. Heating box; 23. Connecting ring; 24. Circular toothed groove; 3. Gear; 4. Control motor; 5. Lifting groove; 6. Lead screw; 7. Moving part. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-6 This utility model provides a technical solution: Example 1: An electrical control cabinet for a butterfly valve: It includes a cabinet body 1. A hinged door 11 is connected to the front of the cabinet body 1. A cooling fan 13 is bolted to the front opening of the door 11, and an exhaust fan 12 is bolted to the top opening of the cabinet body 1. The cabinet body 1 is the electrical control cabinet for the butterfly valve, and it contains an electrical control unit. Under normal circumstances, the electrical unit of the cabinet body 1 generates heat during operation. The cooling fan 13 on the front of the door 11 dissipates this heat, while the exhaust fan 12 on the top of the cabinet body 1 expels the heat. This cycle continues until the temperature inside the cabinet reaches a fixed range, effectively preventing damage to electrical components due to overheating. The electrical components include, but are not limited to, a PLC controller, relay groups, motor drivers, power modules, signal isolators, and terminal blocks. Cool air is forcibly introduced through the front cooling fan 13, forming a directional airflow circulation with the top exhaust fan 12. Utilizing the principle of hot air rising, the system continuously and efficiently removes the heat generated by electrical components, especially high-heat-generating components such as motor drivers and power modules, from the cabinet, ensuring that the internal temperature remains within the rated operating threshold of the components. Active temperature control effectively prevents overheating, aging, malfunctions, and permanent damage to components, and significantly improves the long-term operational stability and lifespan of the butterfly valve control system. A filter layer 14 is connected to the air inlet of the cooling fan 13. It is worth noting that a filter layer 14 is added at the location of the cooling fan 13 to prevent external dust from being sent into the cabinet 1, filtering the air before it enters. The butterfly valve control cabinet's door 11 also includes two pressure gauges: a valve downstream pressure gauge and a system oil pressure gauge. The two indicator lights below the pressure gauges indicate the butterfly valve's fully closed position. The butterfly valve open button, butterfly valve close button, reset / emergency stop button, and remote / local handle are located below the two indicator lights, all in the same row.

[0022] The cabinet 1 is equipped with a designated heat sink 2. The internal array of the designated heat sink 2 is equipped with heat dissipation components 21. Further explanation is that the designated heat sink 2 is added to the cabinet 1 and used in conjunction with a temperature and humidity sensor. The designated heat sink 2 can be raised and lowered to adjust its position, allowing it to move up and down within the cabinet to dissipate heat from the internal electrical components. At the same time, in conjunction with the temperature sensor, the designated heat sink 2 can be positioned near the electrical components with the highest temperature to cool down the hottest location. The heat dissipation components 21 inside the designated heat sink 2 work on the same principle as the cooling fan 13, using the rotation of the blades to drive airflow for heat dissipation. When the sensor detects a local high temperature point inside the cabinet, the drive mechanism will cause the heat sink to move vertically to the vicinity of the corresponding heat-generating component, such as a motor driver or power module. Its built-in vortex fan blades generate a strong directional airflow at close range through high-speed rotation, directly performing forced convection heat exchange on the high-temperature core. Combined with the cooling fan 13 and the exhaust fan 12, the cooling efficiency is greatly improved.

[0023] The cabinet 1 has lifting slots 5 on both sides inside. Movable parts 7 are fixed at both ends of the designated heat dissipation cylinder 2, and the movable parts 7 cooperate with the lifting slots 5. A lead screw 6 is installed in the lifting slot 5, and the movable parts 7 are sleeved on the surface of the lead screw 6. The movable parts 7 are threadedly connected to the surface of the lead screw 6. It should be noted that the lifting slots 5 on both sides of the inner wall of the cabinet 1 include a motor and a lead screw 6. The motor controls the rotation of the lead screw 6. The movable parts 7 at both ends of the designated heat dissipation cylinder 2 are threadedly connected to the surface of the lead screw 6 and cooperate with the lifting slot 5 for limiting. Therefore, when the lead screw 6 rotates, the movable parts 7 can move up and down along the lifting slot 5 together with the designated heat dissipation cylinder 2. The motor can be controlled by a PLC, and the specific control needs to be coordinated with the data detected by the system.

[0024] A connecting ring 23 is fitted onto the surface of the designated heat sink 2 at its center. The designated heat sink 2 is cylindrical, and the connecting ring 23 is movably connected to the surface of the designated heat sink 2. A heating box 22 is fixed at the connecting end of the connecting ring 23. Under conditions of significant day-night temperature differences, the air dew point inside the cabinet 1 is prone to change due to thermal expansion and contraction, which can lead to water vapor condensation and adhesion to the surface of electrical components, forming a liquid water film. This can ultimately induce a short circuit or a decrease in insulation performance. Therefore, a heating box 22 is added to the designated heat sink 2. The heating box 22 is connected to the center of the designated heat sink 2 via the connecting ring 23, and the two are movably connected. A humidity sensor is also included to detect humidity changes in the cabinet. When the internal humidity is too high, the heating box 22 can be rotated to the position where the heat sink 21 dissipates heat. The temperature inside the heating box 22 is increased by resistance heating. At this time, the airflow generated by the heat sink 21 is heated by the heating box 22 and then treats the area with water vapor. At the same time, in order to ensure that water vapor can be treated at the precise location and reduce the impact on other electrical components, a camera can be added inside the cabinet. Through the image acquisition and analysis of the camera, the system can quickly give the location of water vapor condensation. Then, the heating box 22 is rotated to the front end of the heat sink duct. The resistance heater heats the air and then blows out directional warm air through the heat sink blades, which directly acts on the condensation area identified by the camera.

[0025] The surface of the connecting ring 23 has a circumferential array of toothed grooves 24. The bottom surface of the designated heat sink 2 is respectively equipped with a control motor 4 and a gear 3. The surface of the gear 3 meshes with the circumferential toothed grooves 24. The control motor 4 is connected to the bottom surface of the designated heat sink 2. It should be noted that the connecting ring 23 is sleeved on the surface of the designated heat sink 2, and its surface includes the circumferential toothed grooves 24. There are no toothed grooves at the connection end of the connecting ring 23 and the heating box 22, and a gear 3 that meshes with the circumferential toothed grooves 24 is added. When the control motor 4 drives the gear 3 to rotate, the connecting ring 23 and the connected heating box 22 can rotate together along the surface of the designated heat sink 2, thereby obtaining the control of the heating box 22. When it is needed, it is rotated to the position of the air outlet of the heat sink 21. When it is not needed, the two can simply be offset. The control motor 4 is directly fixedly connected to the bottom surface of the designated heat sink 2. Similarly, the control motor 4 works in coordination with the data detected by the various sensors and cameras of the system to control it.

[0026] Working principle: When the butterfly valve control cabinet is working, the cabinet door cooling fan 13 and the top exhaust fan 12 form the basic circulating air duct to continuously exhaust the heat generated by components such as PLC and motor driver. When the temperature sensor detects local overheating, the PLC immediately starts the lifting motor drive screw 6 mechanism to move the designated heat sink 2 precisely to the side of the high-temperature component. Its vortex fan blades enhance the heat dissipation of the target. If the humidity sensor or camera detects the risk of condensation, it controls the rotary motor to rotate the heating box 22 to the air outlet of the heat sink. After the resistance heater generates heat, it is converted into directional warm air by the airflow to accurately blow away the condensation area, ensuring the long-term stable operation of the electrical cabinet under complex working conditions.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electrical control cabinet for a butterfly valve, characterized in that: The cabinet includes a cabinet body (1), a hinged door (11) on the front of the cabinet body (1), a cooling fan (13) bolted to the front opening of the door (11), an exhaust fan (12) bolted to the top opening of the cabinet body (1), a filter layer (14) connected to the air inlet of the cooling fan (13), a designated heat dissipation cylinder (2) inside the cabinet body (1), heat dissipation components (21) arranged inside the designated heat dissipation cylinder (2), a connecting ring (23) sleeved on the surface of the center position of the designated heat dissipation cylinder (2), and a heating box (22) fixed at the connecting end of the connecting ring (23).

2. The electrical control cabinet for a butterfly valve according to claim 1, characterized in that: The designated heat sink (2) is cylindrical, and the connecting ring (23) is movably connected to the surface of the designated heat sink (2).

3. The electrical control cabinet for a butterfly valve according to claim 1, characterized in that: The cabinet (1) has lifting slots (5) on both sides inside, and the designated heat dissipation cylinder (2) has movable parts (7) fixed at both ends, and the movable parts (7) cooperate with the lifting slots (5).

4. The electrical control cabinet for a butterfly valve according to claim 3, characterized in that: A lead screw (6) is installed in the lifting groove (5), and a moving part (7) is sleeved on the surface of the lead screw (6), and the moving part (7) is threadedly connected to the surface of the lead screw (6).

5. The electrical control cabinet for a butterfly valve according to claim 1, characterized in that: The surface of the connecting ring (23) has a circumferential array of toothed grooves (24), and the bottom surface of the designated heat sink (2) is respectively equipped with a control motor (4) and a gear (3).

6. The electrical control cabinet for a butterfly valve according to claim 5, characterized in that: The surface of the gear (3) meshes with the surrounding tooth groove (24), and the control motor (4) is connected to the bottom surface of the designated heat sink (2).

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