Current plate structure of transformer energy efficiency grade judgment device

Abstract

The utility model relates to the technical field of transformer energy efficiency grade determination devices, and discloses a transformer energy efficiency grade determination device current plate structure comprising a box bottom, the top of the box bottom is fixedly connected with a connecting frame, the interior of the connecting frame is fixedly connected with four fixing columns, the outer sides of the fixing columns are slidably connected with a second fixing plate, and the second fixing plate is fixedly connected with the box bottom. A first fixing plate is fixedly connected to the outer side of the fixing column, a braking assembly is fixedly connected to the outer side of the first fixing plate, a connecting rod is slidably connected to the top of the braking assembly, a telescopic column is fixedly connected to the top of the second fixing plate, and the outer side of the telescopic column is slidably connected to the inner side of the connecting frame. The outer side of the telescopic column is slidably connected with a circuit board. According to the utility model, the motor I drives the rotating column to rotate, so that the connecting rod rotates to push the telescopic column to move up and down, and the telescopic column moves back and forth among the holes of the circuit board, thereby realizing the switching of the current structure and enhancing the adaptability of the device to different requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer energy efficiency grade determination device technical field especially transformer energy efficiency grade determination device current plate structure. BACKGROUND

[0002] Now in the development of electric power, everybody also pays more and more attention to energy use efficiency, and the transformer is indispensable pivotal equipment in power transmission and distribution network, and the accurate determination of its energy efficiency grade has inestimable importance, so the transformer energy efficiency grade determination device is needed to accurately determine its energy efficiency grade.

[0003] In the prior art, the circuit board in the transformer energy efficiency grade determination device is the main core component, and the replacement problem when being damaged. The protection mechanism of the current plate is relatively weak, and the overcurrent protection depends on the simple fuse, and the fuse characteristic is single, and the circuit can be cut off only once when the current exceeds a certain threshold, which increases the equipment downtime, and therefore the transformer energy efficiency grade determination device current plate structure is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides transformer energy efficiency grade determination device current plate structure, aims at improving the replacement problem of the circuit board in the prior art and the protection problem of the circuit board.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: transformer energy efficiency grade determination device current plate structure, including the bottom of the box, the top of the box bottom is fixedly connected with the connecting frame, the inside of the connecting frame is fixedly connected with four fixed columns, the outside of the fixed column is slidably connected with the fixed plate two, the outside of the fixed column is fixedly connected with the fixed plate one, the outside of the fixed plate one is fixedly connected with the brake assembly, the top of the brake assembly is slidably connected with the connecting rod, the top of the fixed plate two is fixedly connected with the telescopic column, the inside of the connecting frame is slidably connected with the outside of the telescopic column, and the circuit board is slidably connected with the outside of the telescopic column.

[0006] As a further description of the above technical scheme: the brake assembly includes motor one, the bottom of the motor one is fixedly connected with the bottom of the box, the fixed output end of the motor one is fixedly connected with the rotating column, the top of the rotating column is slidably connected with the outside of the connecting rod, and the top of the motor one is fixedly connected with the bottom of the fixed plate one.

[0007] As a further description of the above technical scheme: the top of the circuit board, i.e. one side of the circuit board, is fixedly connected with the effect pipe, the top of the effect pipe is fixedly connected with the unidirectional thyristor, the outside of the unidirectional thyristor is fixedly connected with the resistance one, and the outside of the resistance one is fixedly connected with the capacitor.

[0008] As the further description of the above technical scheme: the outer side of the effect tube is fixedly connected with a resistor two, the top of the effect tube is fixedly connected with the bottom of the resistor one, the top of the effect tube is fixedly connected with the capacitor, and the top of the effect tube is fixedly connected with a resistor three;

[0009] As the further description of the above technical scheme: the outer side of the resistor three is fixedly connected with the top of the effect tube, the outer side of the resistor three is fixedly connected with a switch, the bottom of the switch is fixedly connected with the top of the effect tube, and the outer side of the resistor two is fixedly connected with the outer side of the circuit board;

[0010] As the further description of the above technical scheme: the top of the box bottom is fixedly connected with a display screen, the top of the box bottom is fixedly connected with three voltage sockets, and the top of the box bottom is fixedly connected with three current sockets;

[0011] As the further description of the above technical scheme: the inner side of the box bottom is fixedly connected with two heat sinks, and the outer side of the box bottom is fixedly connected with a handle;

[0012] As the further description of the above technical scheme: the top of the box bottom is fixedly connected with two hinges, the outer side of the hinge is fixedly connected with a cover, the outer side of the box bottom is fixedly connected with two clamps, and the outer side of the cover is fixedly connected with the outer side of the clamp.

[0013] The utility model has the following beneficial effects:

[0014] 1、The utility model discloses a motor one drives rotating column rotation, makes connecting rod rotate, and the bottom end of connecting rod rotates with rotating column, and the upper end pushes telescopic column up and down movement, and telescopic column goes back and forth between circuit board hole, realizes current structure quick switching, promotes the detection efficiency, and enhances the adaptability and flexibility of device to different current test demand.

[0015] 2、The utility model discloses a resistor one limits current size, divides voltage, and capacitor filters voltage stabilizes, and switch control circuit is on-off, prevents the abnormal situation such as overcurrent, overvoltage, and guarantees that circuit component is not damaged, thereby realize the effect of protection circuit. DRAWINGS

[0016] Figure 1 It is the three-dimensional schematic view of current board structure of transformer energy efficiency grade determination device that the utility model proposes;

[0017] Figure 2 It is the structural schematic view of connecting frame of current board structure of transformer energy efficiency grade determination device that the utility model proposes;

[0018] Figure 3 It is Figure 2 The enlarged view of A in the middle.

[0019] Figure 4 The structural diagram of the effect tube of the current plate structure of the transformer energy efficiency grade determination device is shown in the utility model.

[0020] Legend:

[0021] 1, box bottom; 2, hinge; 3, cover; 4, connecting frame; 5, fixed plate one; 6, fixed plate two; 7, fixed column; 8, rotating column; 9, connecting rod; 10, telescopic column; 11, circuit board; 12, effect tube; 13, one-way controlled silicon; 14, resistance one; 15, capacitor; 16, resistance two; 17, switch; 18, resistance three; 19, motor one; 20, display screen; 21, handle; 22, voltage socket; 23, current socket; 24, bayonet; 25, radiator. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Reference Figures 1 to 3 An embodiment provided by the utility model: the current plate structure of the transformer energy efficiency grade determination device, including box bottom 1, the box bottom 1 is the basic structure of the whole device, provides stable mounting platform for other components, it bears the weight from connecting frame 4, brake assembly, circuit board 11 and other components, ensures that the whole device can keep stable when being placed on the work plane, and inclination or shaking will not occur due to external force or uneven self-weight distribution, the top of box bottom 1 is fixedly connected with connecting frame 4, connecting frame 4 is used to connect box bottom 1 with upper structure, four fixed columns 7 are fixedly connected in the inside of connecting frame 4, and the fixed column 7 provides reliable support and positioning reference for fixed plate one 5 and fixed plate two 6, the outside of fixed column 7 is slidably connected with fixed plate two 6, and fixed plate two 6 is a fixed support point for telescopic column 10;

[0024] The outer side of the fixed column 7 is fixedly connected with the fixed plate one 5, which is used for fixing the rotating column 8 to rotate in a specific position. The outer side of the fixed plate one 5 is fixedly connected with the brake assembly. The top of the brake assembly is slidingly connected with the connecting rod 9, which is used for realizing the transmission and conversion of motion in the device. The top of the fixed plate two 6 is fixedly connected with the telescopic column 10. The outer side of the telescopic column 10 is slidingly connected to the inner side of the connecting frame 4. The telescopic column 10 moves up and down under the driving of the bottom structure to achieve the function of quick replacement of the circuit board 11. The outer side of the telescopic column 10 is slidingly connected with the circuit board 11, which is used for the core of the transformer energy efficiency grade determination device. The brake assembly includes the motor one 19, which is used to drive the rotating column 8 to rotate. The bottom of the motor one 19 is fixedly connected to the box bottom 1. The fixed output end of the motor one 19 is fixedly connected with the rotating column 8. The top of the rotating column 8 is slidingly connected to the outer side of the connecting rod 9. The top of the motor one 19 is fixedly connected to the bottom of the fixed plate one 5.

[0025] Referring to Figure 1 , Figure 3 , Figure 4 The top of the circuit board 11, i.e. one side of the circuit board 11, is fixedly connected with the effect tube 12, which plays a key role in signal amplification and control in the circuit. The top of the effect tube 12 is fixedly connected with the unidirectional thyristor 13, which is used for controllable rectification and power regulation function. The outer side of the unidirectional thyristor 13 is fixedly connected with the resistor one 14, which plays a role in current limiting and voltage division. The outer side of the resistor one 14 is fixedly connected with the capacitor 15, which plays a role in filtering in the circuit. The outer side of the effect tube 12 is fixedly connected with the resistor two 16, which is used in the circuit to provide bias voltage for the effect tube 12, ensuring that the effect tube 12 operates at the appropriate operating point. The top of the effect tube 12 is fixedly connected to the bottom of the resistor one 14. The top of the effect tube 12 is fixedly connected to the capacitor 15. The top of the effect tube 12 is fixedly connected with the resistor three 18.

[0026] The outer side of the resistor three 18 is fixedly connected to the top of the effect tube 12, and the outer side of the resistor three 18 is fixedly connected with the switch 17, which is used to control the on-off of the circuit. The bottom of the switch 17 is fixedly connected to the top of the effect tube 12, and the outer side of the resistor two 16 is fixedly connected to the outer side of the circuit board 11. The top of the box bottom 1 is fixedly connected with the display screen 20, which is used to display the energy efficiency grade. The top of the box bottom 1 is fixedly connected with three voltage sockets 22, which are used for measuring voltage. The top of the box bottom 1 is fixedly connected with three current sockets 23, which are used for measuring current. The inner side of the box bottom 1 is fixedly connected with two heat sinks 25, which are used to dissipate heat for the circuit board 11. The outer side of the box bottom 1 is fixedly connected with the handle 21, which makes the device convenient to carry. The top of the box bottom 1 is fixedly connected with two hinges 2, which are used to connect the box bottom 1 and the lid 3. The outer side of the hinge 2 is fixedly connected with the lid 3. The outer side of the box bottom 1 is fixedly connected with two clamps 24, and the outer side of the lid 3 is fixedly connected to the outer side of the clamp 24. The clamp 24 is used to connect and fix the box bottom 1 and the lid 3 when the lid 3 is closed.

[0027] Working principle: first, under the support of the box bottom 1, the rotating column 8 is rotated through the fixed belt of the fixed plate one 5, which drives the rotating column 8 to rotate. When the rotating column 8 rotates, the rotating column 8 drives the connecting rod 9 to rotate. Then, the bottom end of the connecting rod 9 is pushed up and down on the fixed plate two 6 under the rotation of the rotating column 8, which drives the telescopic column 10 to move up and down. When the telescopic column 10 moves up and down, it comes back and forth through the hole on the circuit board 11, which achieves the effect of quickly replacing the current structure.

[0028] When the external power is connected, the current enters the device through the voltage socket 22 and the current socket 23, and on the circuit board 11, the effect tube 12 is in the initial state, and its working point is determined by the bias voltage set by the resistor two 16. When there is an input signal, the effect tube 12 amplifies and controls the signal according to the signal, and the unilateral controlled silicon 13 performs controllable rectification operation under the control of the effect tube 12. The resistor one 14 limits the current size and divides the voltage, protects the unilateral controlled silicon 13 and the effect tube 12 and other components from being impacted by excessive current, the capacitor 15 filters the voltage in the circuit, removes the noise and ripple, makes the direct current voltage more stable, ensures that the subsequent circuit can receive high-quality signals, the resistor three 18 and the switch 17 form part of the control circuit, and the working state of the circuit branch where the effect tube 12 is located can be controlled by the on-off of the switch 17, realizing flexible circuit control. In the running process of the device, the heat sink 25 continuously dissipates the heat generated by each component on the circuit board 11, ensuring stable performance and long-term reliable operation. The display screen 20 displays the transformer energy efficiency grade and other related data calculated by the circuit board 11 in real time. The protective structure composed of the hinge 2, the cover 3 and the bayonet 24 is closed when the device is not working or is being transported, preventing dust and other impurities from entering the device and affecting the circuit performance, and protecting the circuit.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. The current plate structure of transformer energy efficiency grade determination device, comprising a box bottom (1), characterized in that: The top of the box bottom (1) is fixedly connected with a connecting frame (4), the inner side of the connecting frame (4) is fixedly connected with four fixed columns (7), the outer side of the fixed column (7) is slidably connected with a fixed plate two (6), the outer side of the fixed column (7) is fixedly connected with a fixed plate one (5), the outer side of the fixed plate one (5) is fixedly connected with a brake assembly, the top of the brake assembly is slidably connected with a connecting rod (9), the top of the fixed plate two (6) is fixedly connected with a telescopic column (10), the outer side of the telescopic column (10) is slidably connected with the inner side of the connecting frame (4), and the outer side of the telescopic column (10) is slidably connected with a circuit board (11).

2. The transformer energy efficiency grade determination apparatus current sheet structure according to claim 1, characterized in that: The bottom of the motor one (19) is fixedly connected with the box bottom (1), the fixed output end of the motor one (19) is fixedly connected with a rotating column (8), the top of the rotating column (8) is slidably connected with the outer side of the connecting rod (9), and the top of the motor one (19) is fixedly connected with the bottom of the fixed plate one (5).

3. The transformer energy efficiency grade determination apparatus current sheet structure of claim 1, wherein: The top of the circuit board (11) is fixedly connected with an effective pipe (12), the top of the effective pipe (12) is fixedly connected with a unidirectional thyristor (13), the outer side of the unidirectional thyristor (13) is fixedly connected with a resistance one (14), the outer side of the resistance one (14) is fixedly connected with a capacitor (15).

4. The transformer energy efficiency grade determination apparatus current sheet structure according to claim 3, characterized in that: The outer side of the effective pipe (12) is fixedly connected with a resistance two (16), the top of the effective pipe (12) is fixedly connected with the bottom of the resistance one (14), the top of the effective pipe (12) is fixedly connected with the capacitor (15), and the top of the effective pipe (12) is fixedly connected with a resistance three (18).

5. The transformer energy efficiency grade determination apparatus current sheet structure of claim 4, wherein: The outer side of the resistance three (18) is fixedly connected with the top of the effective pipe (12), the outer side of the resistance three (18) is fixedly connected with a switch (17), the bottom of the switch (17) is fixedly connected with the top of the effective pipe (12), and the outer side of the resistance two (16) is fixedly connected with the outer side of the circuit board (11).

6. The transformer energy efficiency grade determination apparatus current sheet structure of claim 1, wherein: The top of the box bottom (1) is fixedly connected with a display screen (20), the top of the box bottom (1) is fixedly connected with three voltage sockets (22), and the top of the box bottom (1) is fixedly connected with three current sockets (23).

7. The transformer energy efficiency rating apparatus current sheet structure of claim 1, wherein: The inner side of the box bottom (1) is fixedly connected with two heat sinks (25), and the outer side of the box bottom (1) is fixedly connected with a handle (21).

8. The transformer energy efficiency rating apparatus current sheet structure of claim 1, wherein: The top of the box bottom (1) is fixedly connected with two hinges (2), the outer side of the hinge (2) is fixedly connected with a cover (3), the outer side of the box bottom (1) is fixedly connected with two clamps (24), and the outer side of the cover (3) is fixedly connected with the outer side of the clamp (24).

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