Efficient and energy-saving intelligent regulation and control device for distribution transformer
By using a sliding rheostat assembly and a servo motor-driven lead screw, the automatic and precise adjustment of the voltage of the distribution transformer is achieved. This solves the problems of lag and insufficient accuracy in voltage adjustment of traditional distribution transformers, improves power distribution efficiency and equipment stability, and reduces the risk of failure and maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional distribution transformer voltage regulation methods are outdated and lack precision, resulting in voltage drops during peak electricity consumption periods that affect the normal operation of equipment, and excessively high voltage during off-peak electricity consumption periods that cause waste or damage to equipment. In addition, the operation is cumbersome and relies on manual periodic inspections.
The device employs a sliding rheostat assembly combined with a servo motor-driven lead screw to achieve precise adjustment of the resistance wire position and automated voltage regulation; combined with the design of heat dissipation holes, inclined exhaust pipes, and filters, it ensures efficient heat dissipation and protection of the device.
It achieves efficient and precise automation of voltage regulation, reduces the risk of equipment failure, improves the durability and reliability of the device, and reduces maintenance costs.
Smart Images
Figure CN224036209U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of distribution transformer intelligent control, specifically to a kind of efficient energy-saving distribution transformer intelligent control device. BACKGROUND
[0002] In today's power supply field, as the key equipment in power distribution system, the performance of distribution transformer has a profound impact on the stability, efficiency and energy saving of power supply.
[0003] Traditional distribution transformer faces many challenges in the operation process. On the one hand, the voltage regulation means is relatively lagging and the precision is poor. In the past, the transformer ratio was changed by manual adjustment of tap changer to realize voltage adjustment. But this way is not only cumbersome to operate, but also needs regular inspection and manual operation by professional personnel, which consumes a lot of manpower and material resources. Moreover, errors are likely to occur during adjustment, and the dynamic changes of load in power system cannot be responded in time and accurately. During the peak period of electricity consumption, the load increases sharply, and the voltage often decreases by a large margin. The traditional adjustment method is difficult to raise the voltage to the appropriate level in time, resulting in that the electrical equipment cannot work normally, and affecting the production and life order. During the valley period of electricity consumption, the voltage may be too high, which not only causes waste of electric energy, but also may cause damage to some voltage-sensitive equipment. SUMMARY
[0004] The utility model aims at providing a kind of efficient energy-saving distribution transformer intelligent control device to solve the problems raised in the above background technology.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] An efficient energy-saving distribution transformer intelligent control device comprises:
[0007] The warehouse body is fixedly installed with incoming line port and outgoing line port on both sides of the outer wall.
[0008] The transformer is fixedly installed on the inner wall of the warehouse body.
[0009] The sliding resistance component is provided with several groups, and comprises a porcelain cylinder, a resistance wire is wound on the outer wall of the porcelain cylinder, a fork is slidably connected to the outer wall of the porcelain cylinder, the fork is electrically connected to the resistance wire, and the input end and the output end of the resistance wire are electrically connected to a voltmeter.
[0010] In a preferred embodiment of the utility model, the bottom corners of the warehouse body are fixedly installed with supporting legs, the left and right inner walls of the warehouse body are provided with heat dissipation holes, and the inner wall of the heat dissipation hole is fixedly installed with an exhaust pipe.
[0011] In a preferred embodiment of the utility model, the opening of exhaust pipe is inclined downward, the filter screen is fixedly installed on the inner wall of the heat dissipation hole, and the front end outer wall of the bin body is rotationally connected with the movable door through the hinge.
[0012] In a preferred embodiment of the utility model, the four outer walls of the transformer are uniformly fixedly installed with the heat dissipation fins, the top of the transformer is fixedly installed with the live wire connection terminal and the zero line connection terminal, the right top outer wall of the transformer is fixedly installed with the live wire output terminal, and the live wire output terminal is provided with the zero line output terminal outside.
[0013] In a preferred embodiment of the utility model, the sliding variable resistance assembly comprises a base, the base is fixedly installed on the inner wall of the bin body, the top of the base is fixedly installed with a support, a porcelain cylinder is fixedly installed between the two supports, and the outer wall of the resistance wire is coated with insulating paint.
[0014] In a preferred embodiment of the utility model, the sliding connection position of the resistance wire and the fork is a conductive part, the top outer wall of the support is fixedly installed with a conductive rod, the outer wall of the conductive rod is slidingly connected with the fork, and the top of the fork is an insulating seat.
[0015] In a preferred embodiment of the utility model, the top outer wall of the support is fixedly installed with a guide rail, the inner wall of the guide rail is rotationally connected with a lead screw through a bearing, the outer wall of the lead screw is threadedly connected with the inner wall of the insulating seat, and the side wall of the guide rail is provided with a groove.
[0016] In a preferred embodiment of the utility model, the inner wall of the groove is fixedly installed with a servo motor, the output shaft outer wall of the servo motor and the outer wall of the lead screw are drivingly connected through gear meshing, the inner wall of the support is fixedly installed with a conductive rod, the outer walls of the two ends of the conductive rod are fixedly installed with a first connection terminal, and the two ends of the resistance wire are provided with a second connection terminal.
[0017] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model.
[0018] 1. The innovative sliding variable resistance assembly design, the position of the fork on the porcelain cylinder resistance wire is accurately adjusted by the servo motor driving lead screw, the resistance can be quickly and automatically changed, the voltage can be real-time and accurately regulated, the efficiency and accuracy of voltage regulation in the power distribution process are greatly improved, the stable voltage environment is ensured for various electrical equipment to run efficiently, and the equipment failure risk caused by voltage fluctuation is effectively reduced.
[0019] 2. Two sides of the heat dissipation hole, the exhaust pipe of the inclined downward opening and the filter screen cooperate, which can not only effectively discharge the heat generated by the device operation, maintain the appropriate temperature inside, protect the stable work of the electrical components, but also effectively prevent the invasion of impurities such as rainwater and dust, reduce the wear and tear of components and short circuit failure, and the movable door is convenient for maintenance, which significantly improves the durability and reliability of the device, reduces the maintenance cost and frequency. BRIEF DESCRIPTION OF DRAWINGS
[0020] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
[0021] Figure 1 It is a kind of main view structure schematic diagram in the intelligent control device of efficient and energy-saving distribution transformer;
[0022] Figure 2 It is a kind of inside structure schematic diagram in the intelligent control device of efficient and energy-saving distribution transformer;
[0023] Figure 3 It is a kind of structure schematic diagram of voltage regulation assembly in the intelligent control device of efficient and energy-saving distribution transformer;
[0024] Figure 4 It is a kind of structure schematic diagram of auxiliary voltage assembly in the intelligent control device of efficient and energy-saving distribution transformer;
[0025] Figure 5 It is a kind of work structure schematic diagram of slider in the intelligent control device of efficient and energy-saving distribution transformer.
[0026] In the drawing: bin 100, movable door 110, heat dissipation hole 120, exhaust pipe 121, incoming line port 130, outgoing line port 140, transformer 200, live wire terminal 210, zero line terminal 220, live wire output terminal 230, zero line output terminal 240, base 300, support 310, porcelain cylinder 320, second terminal 321, conductive rod 330, first terminal 331, guide rail 340, fork 350, insulating seat 351, lead screw 360, servo motor 370, gear 380, voltmeter 390. DETAILED DESCRIPTION
[0027] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0028] Embodiment one: as Figures 1-3 , including;
[0029] The warehouse body 100, the two side outer walls of the warehouse body 100 are fixedly installed with the incoming line port 130 and the outgoing line port 140 respectively;
[0030] The voltage transformation assembly comprises a transformer 200 fixedly installed on the inner wall of the warehouse body 100.
[0031] The sliding variable resistance assembly is provided with a plurality of groups, and comprises a porcelain cylinder 320, the outer wall of the porcelain cylinder 320 is wound with a resistance wire, the outer wall of the porcelain cylinder 320 is slidably connected with a fork 350, the fork 350 is electrically connected with the resistance wire, and the input end and the output end of the resistance wire are electrically connected with a voltmeter 390.
[0032] The specific use scene of the embodiment is as follows: the incoming line is connected to the inside of the warehouse body 100 through the incoming line port 130 to introduce power supply for the whole device, after the current enters the warehouse body 100, the current flows through the transformer 200, the transformer 200 performs voltage transformation processing according to the principle of electromagnetic induction to meet the demand of different power equipment on voltage, the resistance wire wound on the outer wall of the porcelain cylinder 320 in the sliding variable resistance assembly is in series with the circuit output by the transformer, when the fork 350 slides on the outer wall of the porcelain cylinder 320, the length of the resistance wire connected to the circuit is changed, according to the resistance law, the change of the length of the resistance wire will cause the change of the resistance value, and then affect the current and voltage distribution of the whole circuit, the voltmeter 390 is connected to the input end and the output end of the resistance wire respectively, the voltage at both ends of the resistance wire is measured in real time, by observing the indication change of the voltmeter 390, the staff can intuitively understand the voltage fluctuation in the circuit, which provides a basis for judging the working state of the transformer and subsequent adjustment.
[0033] Embodiment two: as Figure 1 The bottom four corners of the warehouse body 100 are fixedly installed with supporting legs, the left and right inner walls of the warehouse body 100 are provided with heat dissipation holes 120, the inner wall of the heat dissipation hole 120 is fixedly installed with an exhaust pipe 121, the opening of the exhaust pipe 121 is inclined downward, the inner wall of the heat dissipation hole 120 is fixedly installed with a filter screen, and the front outer wall of the warehouse body 100 is rotationally connected with a movable door 110 through a hinge.
[0034] The specific use scene of this embodiment is that the heat dissipation holes 120 and the exhaust pipe 121 fixedly installed on the left and right inner walls of the warehouse body 100 jointly constitute a heat dissipation system. During the operation of the device, the electrical elements such as the transformer 200 will generate heat, causing the temperature inside the warehouse body 100 to rise, and the hot air to rise and be discharged through the heat dissipation holes 120. The opening of the exhaust pipe 121 is inclined downward, which can effectively prevent external rainwater, dust and other impurities from entering the inside of the warehouse body 100 through the heat dissipation holes, causing damage to the electrical elements. The filter screen on the inner wall of the heat dissipation hole 120 further filters the tiny particles in the air, ensuring that the air entering the warehouse body 100 is relatively clean. The movable door 110 connected to the front end outer wall of the warehouse body 100 through a hinge is convenient for the staff to open the warehouse body and perform operations such as installation, maintenance and maintenance of the internal elements.
[0035] Embodiment three: Figure 2 and Figure 3 The outer wall around the transformer 200 is uniformly fixedly installed with heat dissipation fins, the top of the transformer 200 is fixedly installed with a live wire connection terminal 210 and a zero line connection terminal 220, and the right top outer wall of the transformer 200 is fixedly installed with a live wire output terminal 230. The live wire output terminal 230 is provided with a zero line output terminal 240 outside.
[0036] The specific use scene of this embodiment is that the live wire connection terminal 210 and the zero line connection terminal 220 on the top of the transformer 200 are used to connect the live wire and the zero line of the external power supply. The current enters the transformer 200 for voltage transformation, and the voltage-transformed live wire and zero line are led out through the live wire output terminal 230 and the zero line output terminal 240, respectively, to supply power to subsequent electrical equipment.
[0037] Embodiment four: Figures 3-5 The sliding resistance assembly includes a base 300 fixedly installed on the inner wall of the warehouse body 100, a support 310 fixedly installed on the top of the base 300, and a porcelain tube 320 fixedly installed between the two supports 310. The outer wall of the resistance wire is coated with insulating paint. The sliding connection position of the resistance wire and the fork 350 is the conductive part. The top outer wall of the support 310 is fixedly installed with a conductive rod 330. The outer wall of the conductive rod 330 is slidingly connected with the fork 350. The top of the fork 350 is an insulating seat 351. The top outer wall of the support 310 is fixedly installed with a guide rail 340. The inner wall of the guide rail 340 is rotatably connected with a lead screw 360 through a bearing. The outer wall of the lead screw 360 is threadedly connected with the inner wall of the insulating seat 351. The side wall of the guide rail 340 is provided with a groove. The inner wall of the groove is fixedly installed with a servo motor 370. The output shaft outer wall of the servo motor 370 is meshingly and drivingly connected with the outer wall of the lead screw 360 through a gear 380. The inner wall of the support 310 is fixedly installed with the conductive rod 330. The outer walls of both ends of the conductive rod 330 are fixedly installed with a first connecting terminal 331. Both ends of the resistance wire are provided with a second connecting terminal 322.
[0038] The specific use scene of the embodiment is that: the base 300 of the sliding variable resistance assembly is fixed on the inner wall of the bin body 100, and provides a mounting base for the whole assembly; the support 310 is installed on the top of the base 300 and used for supporting the porcelain cylinder 320; the porcelain cylinder 320 is wrapped around the outer wall of the resistance wire, and the two ends of the resistance wire are connected to the circuit through the second connecting terminal 322; the outer wall of the resistance wire is coated with insulating paint to ensure the insulation between the resistance wires and other components under normal circumstances; only when the contact 350 is in contact with the conductive part of the resistance wire, the current can pass through the corresponding part of the resistance wire; the conductive rod 330 is installed on the top of the support 310, the contact 350 slides on the outer wall of the conductive rod 330, and the top of the contact 350 is an insulating seat 351 to prevent the operator from being electrically shocked during the adjustment; the guide rail 340 is installed on the top of the support 310, the lead screw 360 rotates in the inner wall of the guide rail 340 through a bearing, the insulating seat 351 is threadedly connected with the lead screw 360, when the servo motor 370 is started, the output shaft of the servo motor 370 is engaged with the lead screw 360 through the gear 380 to drive the lead screw 360 to rotate, and then the insulating seat 351 and the contact 350 connected with the insulating seat 351 slide on the outer wall of the porcelain cylinder 320 to accurately adjust the effective length of the resistance wire connected to the circuit and realize the automatic adjustment of the voltage.
[0039] The working principle of the utility model is: when the person skilled in the art uses, the incoming line is introduced into the inside of bin body 100 through incoming line port 130, the connection between the incoming line and incoming line port 130 is sealed, the live wire and zero line are connected with live wire connecting terminal 210 and zero line connecting terminal 220 respectively, then another group of live wire and zero line are connected with live wire output terminal 230 and zero line output terminal 240 respectively, the live wire connected with the first voltmeter 390 on the live wire output terminal 230 detects the voltage after being transformed by transformer 200, then the output end of the first voltmeter 390 is electrically connected with the first connecting terminal 331 at the end of the conductive rod 330 through a wire, the second connecting terminal 321 at the end of the resistance wire is connected with another voltmeter 390 through a wire, the input end voltage and output end voltage of the sliding variable resistance assembly are detected through the two voltage transformers 390, thereby the change of the voltage can be fed back in time, the lead screw 360 is driven to rotate by starting servo motor 370, which is used to drive the contact 350 to slide on the outer wall of the porcelain cylinder 320, thereby the effective length of the resistance wire on the outer wall of the porcelain cylinder 320 is adjusted, and the adjustment of the voltage is automatically completed.
[0040] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A high-efficiency energy-saving power distribution transformer intelligent regulation device, characterized in that, Include; The warehouse body (100), both sides of the warehouse body (100) are fixedly installed into the line port (130) and the line port (140) respectively; The transformer (200) is fixedly installed on the inner wall of the warehouse body (100); The sliding resistance component is provided with a plurality of groups, the sliding resistance component includes a porcelain cylinder (320), the outer wall of the porcelain cylinder (320) is wound with a resistance wire, the outer wall of the porcelain cylinder (320) is slidably connected with a fork (350), the fork (350) is electrically connected with the resistance wire, and the input end and the output end of the resistance wire are electrically connected with a voltmeter (390).
2. The intelligent regulating device for high-efficiency and energy-saving distribution transformer according to claim 1, characterized in that, The bottom of the warehouse body (100) is fixedly installed with supporting legs at four corners, and the left and right inner walls of the warehouse body (100) are provided with heat dissipation holes (120).
3. The intelligent regulating device for high-efficiency and energy-saving distribution transformer according to claim 2, characterized in that, The opening of the exhaust pipe (121) is inclined downward, the inner wall of the heat dissipation hole (120) is fixedly installed with a filter screen, and the front outer wall of the warehouse body (100) is rotatably connected with a movable door (110) through a hinge.
4. The intelligent regulating device for high-efficiency and energy-saving distribution transformer according to claim 1, characterized in that, The outer wall of the transformer (200) is uniformly fixedly installed with heat dissipation fins, the top of the transformer (200) is fixedly installed with a live wire connection terminal (210) and a zero line connection terminal (220), the outer wall of the right top of the transformer (200) is fixedly installed with a live wire output terminal (230), and the outer side of the live wire output terminal (230) is provided with a zero line output terminal (240).
5. The intelligent regulating device for high-efficiency and energy-saving distribution transformer according to claim 1, characterized in that, The sliding resistance component includes a base (300), the base (300) is fixedly installed on the inner wall of the warehouse body (100), the top of the base (300) is fixedly installed with a support (310), the porcelain cylinder (320) is fixedly installed between the two supports (310), and the outer wall of the resistance wire is coated with insulating paint.
6. The intelligent regulating device for high-efficiency and energy-saving distribution transformer according to claim 5, characterized in that, The sliding connection position of the resistance wire and the fork (350) is a conductive part, the outer wall of the top of the support (310) is fixedly installed with a conductive rod (330), the outer wall of the conductive rod (330) is slidably connected with the fork (350), and the top of the fork (350) is an insulating seat (351).
7. The intelligent regulating device for high-efficiency and energy-saving distribution transformer according to claim 6, characterized in that, The outer wall of the top of the support (310) is fixedly installed with a guide rail (340), the inner wall of the guide rail (340) is rotatably connected with a lead screw (360) through a bearing, the outer wall of the lead screw (360) is threadedly connected with the inner wall of the insulating seat (351), and the side wall of the guide rail (340) is provided with a groove.
8. The intelligent regulating device for high-efficiency and energy-saving distribution transformer according to claim 7, characterized in that, The inner wall of the groove is fixedly installed with a servo motor (370), the output shaft of the servo motor (370) is in meshing transmission connection with the outer wall of the lead screw (360) through a gear (380), the inner wall of the support (310) is fixedly installed with the conductive rod (330), and the outer walls of the two ends of the conductive rod (330) are fixedly installed with first connection terminals (331).