Generator protection measurement and control device connection structure realized by microcomputer

Abstract

The utility model belongs to the field of connection structures, and particularly relates to a microcomputer-implemented connection structure of a generator protection measurement and control device, which comprises a protection measurement and control device, a voltage transformer, a microcomputer and a plurality of lead plates. The protection measurement and control device is connected with the current transformer through a cable I. The protection measurement and control device is connected with the microcomputer through an industrial Ethernet optical cable. And two U-shaped placement plates are rotationally mounted at the top of the wire guide plate. According to the utility model, the design is reasonable, through acquisition of voltage and current of the generator and excitation voltage and current of the exciter, complete electric quantity protection, non-electric quantity protection, measurement and control and operation functions of the generator and the excitation transformer are realized, abundant communication interfaces are provided, requirements of an automation system of a power plant can be conveniently satisfied, and the power generation efficiency is improved. And meanwhile, through the cooperation of a wire guide plate and a U-shaped placement plate, the purpose of preventing the cable from shaking and shifting can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting structure technical field especially relates to a microcomputer realizes generator protection control device connecting structure. BACKGROUND

[0002] In the generator operation process, the voltage of generator, current, excitation voltage of excitation machine, current, are all the must measure parameters of generator detection system. Through the analysis of these parameters, provide technical support means for safe and reliable operation of generator.

[0003] The existing generator protection control device connecting structure has certain deficiency in data acquisition, transmission and cable management etc. For example, in the data acquisition aspect, the voltage, current and other key data of generator system can not be efficiently and accurately collected, in the data transmission process, the stability of communication connection needs to be improved, and there is lack of effective way for the fixation and management of connecting cable, which can easily lead to cable shaking and displacement, and affect the reliability of connection, therefore, the microcomputer realizes generator protection control device connecting structure is provided to solve the above problems. SUMMARY

[0004] The utility model discloses a microcomputer realizes generator protection control device connecting structure to solve the shortcoming in prior art.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A microcomputer realizes generator protection control device connecting structure, including protection control device, voltage transformer, microcomputer and a plurality of wire board, protection control device and voltage transformer are connected through cable one between, protection control device and current transformer are connected through cable one between, protection control device and microcomputer are connected through industrial ethernet optical cable, the top rotation of wire board is equipped with two U shape placement board, and industrial ethernet optical cable is placed in corresponding U shape placement board, and the same elastic sheet is fixedly installed between the corresponding two U shape placement boards, and the U shape placement board is equipped with the compression mechanism for the fixing of industrial ethernet optical cable.

[0007] Optionally, the compression mechanism includes fixed spring and arc compression plate, a plurality of fixed springs are fixedly installed on the top inner wall of the U shape placement board, and the bottom end of the plurality of fixed springs on the same side is fixedly installed with the arc compression plate for the fixing of industrial ethernet optical cable.

[0008] Optionally, two moving holes are formed on the top inner wall of the U shape placement board, a T-shaped rod is slidably installed in the moving hole, and the bottom end of the T-shaped rod is fixedly installed on the arc compression plate.

[0009] Optionally, the bottom of the wire plate is provided with two grooves, a rotating hole is formed in the top inner wall of the groove, a rotating shaft is rotatably installed in the rotating hole, and the top end of the rotating shaft is fixedly installed on the corresponding U-shaped placement plate.

[0010] Optionally, the bottom end of the rotating shaft extends into the groove and is fixedly installed with a rotating plate, and a fixing mechanism is arranged between the rotating plate and the wire plate.

[0011] Optionally, the fixing mechanism comprises a fixing groove, a threaded hole and a fixing bolt, the fixing groove is formed in the top inner wall of the groove, the threaded hole is formed in the rotating plate, the fixing bolt is threadedly installed in the threaded hole, and the fixing bolt is matched with the corresponding fixing groove.

[0012] Optionally, the two sides of the wire plate are both provided with a mounting seat, the mounting seat is provided with a mounting hole, and a fixing screw for fixing the wire plate is arranged in the mounting hole.

[0013] The utility model discloses beneficial effect:

[0014] Through the cooperation of microcomputer, protection measurement and control device, current transformer and voltage transformer, the voltage and current of the generator system can be collected, and the control room can be monitored, the change of the current and voltage of the generator can be found, and through the high-speed sampling, real-time parallel calculation of the protection measurement and control device, the problems found can be automatically detected, automatically handled in time, and the fault and accident report can be recorded in real time;

[0015] Meanwhile, through the voltage and current of the generator, the excitation voltage and current of the exciter, the full set of electric quantity protection, non-electric quantity protection, measurement and control and operation function of the generator and excitation transformer are realized, a rich communication interface is provided, and the requirements of the power plant automation system can be conveniently met;

[0016] 3. The wire plate is installed at the turning and branching of the industrial Ethernet optical cable, the rotating plate can be fixed and released through the fixing bolt, the rotating plate can rotate to the U-shaped placement plate, the angle between the two U-shaped placement plates can be adjusted according to the requirement, the industrial Ethernet optical cable can be placed and guided through the two U-shaped placement plates on the wire plate, the placed industrial Ethernet optical cable can be fixed and pressed through the fixing spring and the arc-shaped pressing plate, the cable can be prevented from shaking and shifting, and the stability of connection can be ensured. ACCURACY

[0017] Figure 1 A schematic diagram of a microcomputer realized generator protection measurement and control device connection structure is provided for the utility model;

[0018] Figure 2 A connection three-dimensional structure schematic diagram of a D wire plate and an industrial Ethernet optical cable of a microcomputer realized generator protection measurement and control device connection structure is provided for the utility model.

[0019] Figure 3 for Figure 2 A schematic diagram of the three-dimensional structure viewed from below;

[0020] Figure 4 for Figure 2 A cross-sectional three-dimensional structural diagram;

[0021] Figure 5 for Figure 4 A schematic diagram of the structure of part A in the diagram;

[0022] Figure 6 for Figure 4 A schematic diagram of part B in the diagram.

[0023] In the diagram: 1. Microcomputer; 2. Industrial Ethernet fiber optic cable; 3. Protection and control device; 4. Cable 1; 5. Current transformer; 6. Voltage transformer; 7. Conductor plate; 801. U-shaped placement plate; 802. Moving hole; 803. T-shaped rod; 804. Arc-shaped clamping plate; 805. Fixed spring; 806. Elastic sheet; 901. Groove; 902. Rotating hole; 903. Rotating shaft; 904. Rotating plate; 1001. Fixed groove; 1002. Threaded hole; 1003. Fixed bolt. Detailed Implementation

[0024] The following is in conjunction with the appendix Figures 1-6 This application will be described in further detail.

[0025] This application discloses a connection structure for a generator protection and control device implemented by a microcomputer.

[0026] Reference Figures 1-6 A connection structure for a generator protection and control device implemented by a microcomputer includes a protection and control device 3, a voltage transformer 6, a microcomputer 1, and multiple conductor plates 7. The protection and control device 3 is connected to the voltage transformer 6 via a cable 4, and the protection and control device 3 is connected to the current transformer 5 via a cable 4. The protection and control device 3 is connected to the microcomputer 1 via an industrial Ethernet optical cable 2. Two U-shaped placement plates 801 are rotatably mounted on the top of the conductor plates 7, and the industrial Ethernet optical cables 2 are placed in the corresponding U-shaped placement plates 801. The same elastic sheet 806 is fixedly installed between the two corresponding U-shaped placement plates 801. The U-shaped placement plates 801 are provided with a clamping mechanism for fixing the industrial Ethernet optical cables 2.

[0027] In the embodiment, the pressing mechanism includes fixed springs 805 and an arc-shaped pressing plate 804. A plurality of fixed springs 805 are fixedly installed on the top inner wall of the U-shaped placement plate 801. The bottom ends of the fixed springs 805 on the same side are fixedly installed with the arc-shaped pressing plate 804 for fixing the industrial Ethernet optical cable 2. Two moving holes 802 are formed in the top inner wall of the U-shaped placement plate 801. A T-shaped rod 803 is slidably installed in the moving hole 802, and the bottom end of the T-shaped rod 803 is fixedly installed on the arc-shaped pressing plate 804. This design enables the arc-shaped pressing plate 804 to adapt to industrial Ethernet optical cables 2 of different diameters under the elastic action of the fixed springs 805, providing stable and moderate pressing force. Meanwhile, the cooperation of the T-shaped rod 803 and the moving hole 802 further ensures the smooth movement of the arc-shaped pressing plate 804 during the pressing process, effectively preventing optical cable damage caused by uneven pressure, and greatly improving the adaptability and fixing reliability of different specifications of optical cables.

[0028] In the embodiment, two grooves 901 are formed in the bottom of the wire plate 7. A rotating hole 902 is formed in the top inner wall of the groove 901. A rotating shaft 903 is rotatably installed in the rotating hole 902, and the top end of the rotating shaft 903 is fixedly installed on the corresponding U-shaped placement plate 801. This structure provides a flexible rotating basis for the U-shaped placement plate 801, enabling the U-shaped placement plate 801 to conveniently adjust the angle according to the actual laying direction of the industrial Ethernet optical cable 2, to realize precise guidance of the optical cable, reduce signal transmission loss caused by improper cable bending angle, and enhance the applicability of the entire connection structure in complex wiring scenarios.

[0029] In the embodiment, the bottom end of the rotating shaft 903 extends into the groove 901 and is fixedly installed with a rotating plate 904. A fixing mechanism is provided between the rotating plate 904 and the wire plate 7. The fixing mechanism includes a fixed groove 1001, a threaded hole 1002, and a fixing bolt 1003. The fixed groove 1001 is formed in the top inner wall of the groove 901. The threaded hole 1002 is formed in the rotating plate 904. The fixing bolt 1003 is threadedly installed in the threaded hole 1002 and is adapted to the corresponding fixed groove 1001. Through this fixing mechanism, the operator can conveniently and quickly fix or unlock the rotating plate 904, and then accurately adjust the angle of the U-shaped placement plate 801. The operation process is simple and efficient, and after the adjustment is completed, the stability of the U-shaped placement plate 801 can be ensured, and the guidance and fixing effect of the industrial Ethernet optical cable 2 are not affected by external interference.

[0030] In the embodiment, mounting seats are installed on both sides of the wire plate 7. Mounting holes are formed in the mounting seats. Fixing screws for fixing the wire plate 7 are arranged in the mounting holes. The fixing screws can be used to fix the wire plate 7.

[0031] The utility model discloses, through the cooperation of microcomputer 1, protection measurement and control device 3, current transformer 5 and voltage transformer 6, can gather generator system voltage, current, can monitor in control room, find generator current voltage change, and through protection measurement and control device 3 high -speed sampling, real -time parallel computation, automatic detection automatic and in time processing the problem found, and real -time record trouble and accident report, simultaneously through the voltage of generator, current, excitation voltage of excitation machine, current collection, realized generator and excitation variation complete set electric quantity protection, non - electric quantity protection and measurement and control and operating function, provide abundant communication interface, can conveniently satisfy the requirement of power plant automation system, install the wire board 7 at the turning and branch of industrial ethernet optical cable 2, through the cooperation of fixed bolt 1003 and fixed slot 1001, can realize to the fixed and release fixed of rotary plate 904, through the rotation rotary plate 904, rotary plate 904 can take U-shaped placement plate 801 and rotate through rotating shaft 903, can adjust the angle between two U-shaped placement plate 801 according to need, through the two U-shaped placement plate 801 on wire board 7 can be placed and wire of industrial ethernet optical cable 2, through fixed spring 805 and arc pressing plate 804 can realize the compression fixed of placed industrial ethernet optical cable 2, prevent cable to sway and shift, guarantee the stability of connection.

[0032] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A connection structure for a microcomputer-implemented generator protection and control device, characterized in that, Including protection and control device (3), voltage transformer (6), microcomputer (1) and multiple wire board (7), protection and control device (3) and voltage transformer (6) are connected through cable one (4), protection and control device (3) and current transformer (5) are connected through cable one (4), protection and control device (3) and microcomputer (1) are connected through industrial ethernet optical cable (2); The top of the wire board (7) is rotatably provided with two U-shaped placing plates (801), and the industrial ethernet optical cable (2) is placed in the corresponding U-shaped placing plate (801), and the same elastic sheet (806) is fixedly installed between the two corresponding U-shaped placing plates (801), and the U-shaped placing plate (801) is provided with a compression mechanism for fixing the industrial ethernet optical cable (2).

2. The microcomputer-implemented generator protection and monitoring device connection structure according to claim 1, characterized in that, The compression mechanism includes fixed springs (805) and arc-shaped compression plates (804), a plurality of fixed springs (805) are fixedly installed on the top inner wall of the U-shaped placing plate (801), and the bottom end of the plurality of fixed springs (805) on the same side is fixedly installed with an arc-shaped compression plate (804) for fixing the industrial ethernet optical cable (2).

3. The microcomputer-implemented generator protection and monitoring device connection structure according to claim 2, characterized in that, Two moving holes are formed in the top inner wall of the U-shaped placing plate (801), a T-shaped rod (803) is slidably installed in the moving hole, and the bottom end of the T-shaped rod (803) is fixedly installed on the arc-shaped compression plate (804).

4. The microcomputer-implemented generator protection and monitoring device connection structure of claim 1, wherein, The bottom of the wire board (7) is provided with two grooves (901), a rotating hole (902) is formed in the top inner wall of the groove (901), a rotating shaft (903) is rotatably installed in the rotating hole (902), and the top end of the rotating shaft (903) is fixedly installed in the corresponding U-shaped placing plate (801).

5. The microcomputer- implemented generator protection and monitoring device connection structure according to claim 4, characterized in that, The bottom end of the rotating shaft (903) extends into the groove (901) and is fixedly installed with a rotating plate (904), and a fixing mechanism is arranged between the rotating plate (904) and the wire board (7).

6. The microcomputer-implemented generator protection and monitoring device connection structure according to claim 5, wherein, The fixing mechanism includes a fixed groove (1001), a threaded hole (1002) and a fixed bolt (1003), the fixed groove (1001) is formed in the top inner wall of the groove (901), the threaded hole (1002) is formed in the rotating plate (904), and the fixed bolt (1003) is threadedly installed in the threaded hole (1002), and the fixed bolt (1003) is matched with the corresponding fixed groove (1001).

7. The microcomputer-implemented generator protection and monitoring device connection structure of claim 5, wherein, The wire board (7) is provided with a mounting seat on both sides, and a mounting hole is formed in the mounting seat, and a fixing screw for fixing the wire board (7) is arranged in the mounting hole.

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