Special current transformer for miniaturized solid insulation cabinet
By designing the housing, heat dissipation mechanism, and fan system in a miniaturized solid-insulated cabinet, the problem of poor heat dissipation performance of traditional current transformers is solved, realizing a current transformer with efficient heat dissipation and stability, suitable for current monitoring and protection in complex environments.
Patent Information
- Application Number
- CN202422801336.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-11-21
AI Technical Summary
Traditional current transformers have poor heat dissipation performance in miniaturized solid-insulated cabinets, which leads to temperature rise, affecting measurement accuracy and equipment lifespan.
A current transformer comprising a housing, a heat dissipation mechanism, a dustproof grille, a fan system, and heat dissipation fins was designed. Airflow is achieved through air outlets and inlets, the fan enhances the heat dissipation effect, and filters and gaskets ensure the device is stable and sealed.
It effectively improves the heat dissipation capacity of the equipment, ensures stable operation and long-term reliability of the equipment in complex environments, extends the equipment life, and improves measurement accuracy and connection reliability.
Smart Images
Figure CN223857970U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a current transformer technology field, concretely is a miniaturized solid insulation cabinet special current transformer. BACKGROUND
[0002] Miniaturized solid insulation cabinet is a kind of modern high-voltage distribution equipment, is widely used in urban distribution network, industrial enterprises and special environment, it is replaced by solid insulation material (such as epoxy resin) traditional air or gas insulation by adopting, realizes the miniaturization, compactness and high safety of equipment, miniaturized solid insulation cabinet because of its excellent moisture-proof, dustproof, fireproof performance and maintenance-free design, especially suitable for the scene of limited space or complex environment, for realizing the monitoring and protection function of electric current, solid insulation cabinet inside needs to install current transformer, current transformer is converted into smaller secondary current by the large current in main circuit according to proportion, for measuring instrument and protection equipment use, realize the electrical isolation of circuit simultaneously.
[0003] Traditional current transformer has significant shortcomings in solid insulation cabinet, especially poor heat dissipation performance, the internal space of cabinet is small and sealing, the heat of traditional design current transformer is difficult to effectively dissipate after long time operation, temperature is easily increased, influence measurement accuracy and equipment life, this problem is particularly prominent in high load environment, seriously restricts the reliability and use efficiency of miniaturized solid insulation cabinet, therefore needs optimization design to solve the heat dissipation problem and meet the needs of miniaturization and efficient operation. UTILITY MODEL CONTENT
[0004] (I) the technical problem solved
[0005] The utility model is directed to providing a kind of miniaturized solid insulation cabinet special current transformer, to solve the problem of poor heat dissipation performance of traditional current transformer proposed in the above background technology.
[0006] (II) technical scheme
[0007] In order to achieve the above object, the utility model provides the following technical scheme: A special current transformer for miniaturized solid insulation cabinet, the special current transformer for miniaturized solid insulation cabinet includes the casing, the bottom of casing is provided with mounting plate, the front end of casing is provided with heat dissipation mechanism, the heat dissipation mechanism includes air outlet, the front end of air outlet is provided with dustproof grille, the right side of dustproof grille is provided with label card, the rear end of casing is provided with air inlet, and the casing is used for protecting internal parts and providing support for overall structure, the mounting plate is used for fixing the device on the equipment to ensure stability, the heat dissipation mechanism is used for realizing the effective discharge of internal heat, the air outlet is used for discharging hot air to form a heat dissipation channel, the dustproof grille is used for preventing dust and particulate matter from entering the internal protection equipment, the label card is used for identifying equipment information to facilitate use and maintenance, and the air inlet is used for inhaling cold air to form a heat dissipation cycle.
[0008] Preferably, the inner side of the air inlet is provided with a filter screen, and the inside of the air outlet is provided with a bracket, the filter screen is used for filtering impurities in the entering air to ensure the internal environment clean, and the bracket is used for fixing the motor and the fan to ensure stable operation.
[0009] Preferably, the bracket is provided with a motor, and the front end of the motor is provided with a first fan, the motor is used for driving the first fan to rotate to provide power, and the first fan is used for forming an air current to take away heat.
[0010] Preferably, the first fan is provided with a transmission belt, another end of the transmission belt is provided with a second fan, the transmission belt is used for connecting the first fan and the second fan to realize linkage, and the second fan is used for enhancing air flow to further improve the heat dissipation effect.
[0011] Preferably, the top and bottom ends of the casing are provided with a cover plate, a fastening bolt is arranged between the cover plate and the casing, the lower end of the fastening bolt is provided with a first gasket, the cover plate is used for closing the top of the casing to protect internal parts, the fastening bolt is used for connecting the cover plate and the casing to provide firm support, and the first gasket is used for increasing the sealing property of the bolt to prevent loosening.
[0012] Preferably, the left end of the casing is provided with a connector, a second gasket is arranged between the connector and the casing, and the left end of the connector is provided with a fastener, the connector is used for connecting external equipment and internal circuit, the second gasket is used for preventing the connector from sliding to ensure stable connection.
[0013] Preferably, the inside of the casing is provided with a current transformer main body, and the upper end of the current transformer main body is provided with a heat dissipation fin, the current transformer main body is used for realizing current measurement and conversion, and the heat dissipation fin is used for quickly dissipating heat generated in the operation of the current transformer to keep the temperature stable.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1、The miniaturized solid insulation cabinet special current transformer, the heat dissipation mechanism design of the shell effectively improves the overall heat dissipation capacity, the cooperation of the air outlet and the air inlet forms good air circulation, the dustproof grid blocks dust from entering the interior to protect the equipment stable operation, the bracket fixes the motor and drives the double fans to run, the first fan and the second fan are connected through the transmission belt to further enhance the heat dissipation effect, the heat dissipation fins directly act on the surface of the current transformer main body to quickly dissipate heat, ensuring the reliability of long-time operation of the equipment;
[0016] 2、The miniaturized solid insulation cabinet special current transformer, the shell is fixed through the mounting plate to ensure overall stability, the cover plate is firmly connected through the fastening bolt, and a first gasket is provided to enhance the sealing effect and prevent the bolt from loosening, a connector is provided with a second gasket to prevent sliding and ensure reliable connection, and a fastener is used to fix the wires and external equipment to improve the connection strength, and the components inside the shell are arranged compactly to reduce the influence of vibration on the equipment;
[0017] 3、The miniaturized solid insulation cabinet special current transformer, the shell provides good protection for the internal components, the dustproof grid effectively blocks dust and particulate matter from entering to prolong the service life of the equipment, the filter screen filters the incoming air to avoid the influence of impurities on the internal components, the label plate facilitates identification of equipment information for easy use and maintenance, and the overall structure design has efficient heat dissipation and stable protection functions and is suitable for complex operating environments. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the current transformer of the utility model;
[0019] Figure 2 It is an explosion view of the current transformer of the utility model;
[0020] Figure 3 It is a heat dissipation mechanism structure schematic view of the utility model;
[0021] Figure 4 It is a current transformer of the utility model Figure 2 A zoomed-in view of the utility model.
[0022] In the figure: 1, shell; 2, mounting plate; 3, heat dissipation mechanism; 301, air outlet; 302, dustproof grid; 303, air inlet; 304, filter screen; 305, bracket; 306, motor; 307, first fan; 308, transmission belt; 309, second fan; 4, label plate; 5, cover plate; 6, fastening bolt; 7, first gasket; 8, connector; 9, second gasket; 10, fastener; 11, current transformer main body; 12, heat dissipation fin. DETAILED DESCRIPTION
[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0024] Please refer to Figures 1-4 The present application provides a technical solution: a current transformer special for a miniaturized solid insulation cabinet, which comprises a shell 1, the bottom end of the shell 1 is provided with a mounting plate 2, the front end of the shell 1 is provided with a heat dissipation mechanism 3, the heat dissipation mechanism 3 comprises an air outlet hole 301, the front end of the air outlet hole 301 is provided with a dustproof grille 302, the right side of the dustproof grille 302 is provided with a label card 4, the rear end of the shell 1 is provided with an air inlet hole 303, the shell 1 protects the internal components from external impact and pollution through its high-strength structure, and at the same time provides support for the internal parts, the mounting plate 2 fixes the entire device by connecting with external equipment, the heat dissipation mechanism 3 realizes equipment heat dissipation through air circulation, the air outlet hole 301 is used for discharging hot air inside to form a ventilation channel, the dustproof grille 302 protects the cleanliness and stable operation of the equipment by blocking external dust particles, the label card 4 facilitates user identification and maintenance by identifying equipment information, and the air inlet hole 303 is used for inhaling cold air to form air circulation.
[0025] The inner side of the air inlet hole 303 is provided with a filter screen 304, the inside of the air outlet hole 301 is provided with a bracket 305, the bracket 305 is provided with a motor 306, the front end of the motor 306 is provided with a first fan 307, the first fan 307 is provided with a transmission belt 308, the other end of the transmission belt 308 is provided with a second fan 309, the filter screen 304 prevents impurities from affecting the internal equipment by filtering the entering air, the bracket 305 fixes the motor 306 and the fan to make them run stably, the motor 306 drives the first fan 307 to rotate to form air flow by providing power, the first fan 307 connects the second fan 309 through the transmission belt 308 to realize linkage and enhance the air flow effect, and the second fan 309 increases the internal air flow and accelerates heat dissipation by its high-speed rotation.
[0026] The lower end of the shell 1 is provided with a cover plate 5, a fastening bolt 6 is arranged between the cover plate 5 and the shell 1, the lower end of the fastening bolt 6 is provided with a first gasket 7, the left end of the shell 1 is provided with a joint 8, a second gasket 9 is arranged between the joint 8 and the shell 1, the left end of the joint 8 is provided with a fastener 10, the inside of the shell 1 is provided with a current transformer body 11, the upper end of the current transformer body 11 is provided with a heat dissipation fin 12, the cover plate 5 protects the internal parts from external pollution by closing the top of the shell, the fastening bolt 6 provides firm support by connecting the cover plate with the shell, the first gasket 7 enhances the sealing effect by dispersing the pressure of the fastening bolt to prevent loosening, the joint 8 forms reliable electrical conduction by connecting external circuits and devices, the second gasket 9 ensures the stability of the joint by preventing the joint from sliding, the fastener 10 prevents the wire from loosening or detaching by fixing the joint connection part, the current transformer body 11 realizes current measurement and conversion through the induction principle of the primary winding and the secondary winding, and the heat dissipation fin 12 accelerates the heat dissipation of the current transformer body to keep its working temperature stable by increasing the surface area.
[0027] Working principle: the shell 1 serves as a support and protective shell of the overall structure, is fixed on the equipment through the mounting plate 2, the front end of the shell 1 is provided with a heat dissipation mechanism 3, the heat dissipation mechanism 3 forms air circulation through the air outlet hole 301 and the air inlet hole 303, the dustproof grille 302 at the front end of the air outlet hole 301 is used to block dust from entering the inside, the inside of the air outlet hole 301 is fixed with the motor 306 through the support 305, the motor 306 drives the first fan 307 to rotate, the first fan 307 drives the second fan 309 to form a double-fan heat dissipation structure through the transmission belt 308, the second fan 309 further enhances the air circulation effect, the inside of the air inlet hole 303 is provided with the filter screen 304 for filtering impurities in the entering air, the current transformer body 11 is installed in the inside of the shell 1, the current transformer body 11 effectively dissipates the heat generated in the running process through the heat dissipation fin 12 at the upper end, the top and lower end of the shell 1 is provided with the cover plate 5, the cover plate 5 is connected with the shell 1 through the fastening bolt 6, the first gasket 7 at the lower end of the fastening bolt 6 is used to increase the sealing property and stability of the bolt connection, the joint 8 at the left end of the shell 1 prevents sliding and air leakage through the second gasket 9, the left end of the joint 8 is provided with the fastener 10 for fixedly connecting the wire and the external equipment, the whole device ensures the stability and safety of the current transformer body 11 in the running process through the optimization of the heat dissipation and sealing structure.
[0028] Finally, it should be noted that the above content is only used to illustrate the technical scheme of the present application, and is not a limitation on the protection scope of the present application. Simple modifications or equivalent replacements of the technical scheme of the present application made by those skilled in the art do not deviate from the essence and scope of the technical scheme of the present application.
Claims
1. A miniaturized solid insulation cabinet dedicated current transformer comprising a housing (1), characterized in that: The bottom end of the shell (1) is provided with a mounting plate (2), the front end of the shell (1) is provided with a heat dissipation mechanism (3), the heat dissipation mechanism (3) comprises an air outlet hole (301), the front end of the air outlet hole (301) is provided with a dustproof grille (302), the right side of the dustproof grille (302) is provided with a label card (4), and the rear end of the shell (1) is provided with an air inlet hole (303).
2. The small-sized solid insulation cabinet special current transformer according to claim 1, characterized in that: The inner side of the air inlet hole (303) is provided with a filter screen (304), and the inside of the air outlet hole (301) is provided with a support (305).
3. The small-sized solid insulation cabinet special current transformer according to claim 2, characterized in that: The support (305) is provided with a motor (306), and the front end of the motor (306) is provided with a first fan (307).
4. The small-sized solid insulation cabinet special current transformer according to claim 3, characterized in that: The first fan (307) is provided with a transmission belt (308), and the other end of the transmission belt (308) is provided with a second fan (309).
5. The small-sized solid insulation cabinet special current transformer according to claim 1, characterized in that: The top and bottom ends of the shell (1) are provided with a cover plate (5), a fastening bolt (6) is arranged between the cover plate (5) and the shell (1), and the lower end of the fastening bolt (6) is provided with a first gasket (7).
6. The compact solid insulation bushing dedicated current transformer of claim 1, wherein: The left end of the shell (1) is provided with a joint (8), a second gasket (9) is arranged between the joint (8) and the shell (1), and the left end of the joint (8) is provided with a fastener (10).
7. The compact solid insulation cabinet-type current transformer according to claim 1, characterized in that: The inside of the shell (1) is provided with a current transformer main body (11), and the upper end of the current transformer main body (11) is provided with a heat dissipation fin (12).