Detection device for fault ride-through performance of reactive power compensation device

Abstract

The utility model relates to a device for detecting the fault ride-through performance of a reactive power compensation device, which belongs to the technical field of electric power detection and comprises a detection device body, a multifunctional monitoring module is arranged in the detection device body, a sensor is arranged on the upper surface of the multifunctional monitoring module, and a dismounting mechanism is arranged between the multifunctional monitoring module and the sensor. The dismounting and mounting mechanism comprises a mounting base fixedly mounted on the upper surface of the multifunctional monitoring module, and a mounting groove and a strip-shaped groove are formed in the upper surface of the mounting base. According to the device for detecting the fault ride-through performance of the reactive power compensation device, the disassembly and assembly mechanism is arranged between the multifunctional monitoring module and the sensor, so that the sensor can be mounted and fixed by using the clamping rod and the sensor base during use, and a modular connection mode is formed between the sensor and the multifunctional monitoring module; therefore, the sensor can be conveniently mounted and dismounted, and the faulted sensor can be conveniently maintained or replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to power detection technical field, concretely is the detection device of reactive power compensation device fault crossing performance. BACKGROUND

[0002] The fault crossing performance of reactive power compensation device refers to the ability that these devices can continue to run or quickly restore normal work when the power system fails, and the reactive power compensation device mainly includes static var compensator (SVC), static synchronous compensator (STATCOM), capacitor bank and reactor, which plays the role of improving power factor, stabilizing voltage and reducing reactive power loss in the power system.

[0003] In actual operation, reactive power compensation devices may fail, so their fault crossing performance needs to be detected, in order to improve the accuracy and efficiency of detection, the existing detection device is internally provided with a multifunctional monitoring module, which is integrated with current, voltage, power factor, temperature and other sensors, so as to realize synchronous monitoring of various electrical parameters and provide comprehensive operation state information, but the existing sensors and multifunctional monitoring modules are all fixed structures, which are not convenient for maintenance and disassembly of the faulty sensors when the sensors fail or are damaged, and can easily affect the normal use of the whole multifunctional monitoring module. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a detection device for the fault crossing performance of reactive power compensation device, which has the advantage of easy maintenance, and solves the problem that the existing sensors and multifunctional monitoring modules are all fixed structures, which are not convenient for maintenance and disassembly of the faulty sensors when the sensors fail or are damaged, and can easily affect the normal use of the whole multifunctional monitoring module.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: the detection device for the fault crossing performance of reactive power compensation device, including detection device body, the detection device body inside is equipped with multifunctional monitoring module, the upper surface of multifunctional monitoring module is equipped with sensor, and the dismounting mechanism is equipped between multifunctional monitoring module and sensor.

[0006] The disassembling mechanism comprises a mounting base fixedly installed on the upper surface of the multifunctional monitoring module, an installation groove and a strip-shaped groove are formed on the upper surface of the mounting base, a metal pin tube electrically connected with the multifunctional monitoring module is fixedly installed in the installation groove, a setting cavity is formed in the mounting base, a spring is fixedly installed in the setting cavity, a sliding plate is fixedly installed at one end of the spring, two clamping rods penetrating into the installation groove are fixedly installed on the surface of the sliding plate away from the spring, a sensor base is fixedly installed at the bottom of the sensor, an annular groove is formed on the side surface of the sensor base, and a metal pin is fixedly installed at the bottom of the sensor base.

[0007] Further, a T-shaped shifting block penetrating into the strip-shaped groove is fixedly installed on the upper surface of the sliding plate, a strip-shaped hole communicating with the setting cavity is formed in the strip-shaped groove, the T-shaped shifting block is located in the strip-shaped hole, and the outer surface of the T-shaped shifting block is in sliding contact with the inner surface of the strip-shaped groove.

[0008] The beneficial effect of the above further scheme is that the T-shaped shifting block is facilitated to move in the strip-shaped groove, and the sliding plate is facilitated to move in the setting cavity.

[0009] Further, the internal shape and size of the installation groove are matched with the external shape and size of the sensor base.

[0010] The beneficial effect of the above further scheme is that the sensor base is facilitated to be clamped into the installation groove.

[0011] Further, the internal diameter of the annular groove is matched with the spacing between the two clamping rods.

[0012] The beneficial effect of the above further scheme is that the two clamping rods are facilitated to be clamped into the annular groove at the same time.

[0013] Further, two fixing grooves are formed in the inner side surface of the installation groove, the positions of the fixing grooves correspond to the positions of the clamping rods, and the clamping rods are matched with the fixing grooves.

[0014] The beneficial effect of the above further scheme is that the end of the clamping rod away from the sliding plate is facilitated to be clamped into the fixing groove, and the fixing stability of the clamping rod to the sensor base is improved.

[0015] Further, the metal pin is matched with the metal pin tube.

[0016] The beneficial effect of the above further scheme is that the metal pin is facilitated to be inserted into the metal pin tube, and the sensor and the multifunctional monitoring module are facilitated to be connected through the metal pin and the metal pin tube.

[0017] Further, the sliding plate is matched with the setting cavity, and the outer surface of the sliding plate is in sliding contact with the inner side surface of the setting cavity.

[0018] The beneficial effect of the further scheme is that the sliding plate is facilitated to move inside the setting cavity.

[0019] Compared with the prior art, the technical scheme has the following beneficial effects:

[0020] The detection device for the fault ride-through performance of the reactive power compensation device is characterized in that the dismounting mechanism is arranged between the multifunctional monitoring module and the sensor, the sensor can be mounted and fixed by using the clamping rod and the sensor base, the modular connection mode is formed between the sensor and the multifunctional monitoring module, the sensor can be conveniently mounted and dismounted, and the sensor with problems can be conveniently maintained or replaced, thereby solving the problem that the sensor and the multifunctional monitoring module are in a fixed structure, the sensor with problems cannot be conveniently maintained and dismounted when the sensor is faulty or damaged, and the normal use of the multifunctional monitoring module is easily affected. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a schematic view of the appearance structure of the detection device body;

[0022] Fig. 2 It is a schematic view of the internal structure of the detection device body;

[0023] Fig. 3 It is a schematic view of the connection structure of the mounting base and the sensor;

[0024] Fig. 4 It is a schematic view of the sensor base structure;

[0025] Fig. 5 It is a schematic view of the sliding plate structure.

[0026] In the figure: 1, detection device body; 2, multifunctional monitoring module; 3, sensor; 4, mounting base; 5, mounting groove; 6, strip-shaped groove; 7, metal pin tube; 8, setting cavity; 9, spring; 10, sliding plate; 11, clamping rod; 12, sensor base; 13, annular groove; 14, metal pin; 15, T-shaped shifting block; 16, strip-shaped hole; 17, fixing groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0028] Embodiment one, please refer to Figs. 1 to 5 The detection device for the fault ride-through performance of the reactive power compensation device in the embodiment comprises a detection device body 1, a multifunctional monitoring module 2 is arranged inside the detection device body 1, a sensor 3 is arranged on the upper surface of the multifunctional monitoring module 2, a dismounting mechanism is arranged between the multifunctional monitoring module 2 and the sensor 3, the dismounting mechanism comprises a mounting base 4 fixedly installed on the upper surface of the multifunctional monitoring module 2, a mounting groove 5 and a strip-shaped groove 6 are formed in the upper surface of the mounting base 4, a metal pin tube 7 electrically connected with the multifunctional monitoring module 2 is fixedly installed in the mounting groove 5, a setting cavity 8 is formed in the mounting base 4, a spring 9 is fixedly installed in the setting cavity 8, one end of the spring 9 is fixedly installed with a sliding plate 10, a T-shaped shifting block 15 penetrating into the strip-shaped groove 6 is fixedly installed on the upper surface of the sliding plate 10, a strip-shaped hole 16 in communication with the setting cavity 8 is formed in the strip-shaped groove 6, the T-shaped shifting block 15 is located in the strip-shaped hole 16, the T-shaped shifting block 15 is in sliding contact with the inner side surface of the strip-shaped groove 6, so as to facilitate the movement of the T-shaped shifting block 15 in the strip-shaped groove 6 and the movement of the sliding plate 10 in the setting cavity 8, two clamping rods 11 penetrating into the mounting groove 5 are fixedly installed on the side surface of the sliding plate 10 away from the spring 9, a sensor base 12 is fixedly installed at the bottom of the sensor 3, the inner shape and size of the mounting groove 5 are matched with the outer shape and size of the sensor base 12, so as to facilitate the clamping of the sensor base 12 into the mounting groove 5, a ring-shaped groove 13 is formed in the side surface of the sensor base 12, the inner diameter of the ring-shaped groove 13 is matched with the spacing between the two clamping rods 11, so as to facilitate the clamping of the two clamping rods 11 into the ring-shaped groove 13, a metal pin 14 is fixedly installed at the bottom of the sensor base 12, the sliding plate 10 is matched with the setting cavity 8, and the sliding plate 10 is in sliding contact with the inner side surface of the setting cavity 8, so as to facilitate the movement of the sliding plate 10 in the setting cavity 8.

[0029] Two fixing grooves 17 are formed in the inner side surface of the mounting groove 5, the positions of the fixing grooves 17 correspond to the positions of the clamping rods 11, the clamping rods 11 are matched with the fixing grooves 17, so as to facilitate the clamping of the ends of the clamping rods 11 away from the sliding plate 10 into the fixing grooves 17, and to facilitate the improvement of the fixing stability of the sensor base 12 by the clamping rods 11.

[0030] The working principle of the above embodiment is as follows:

[0031] In use, the card rod 11 is retracted into the setting cavity 8 by moving the T-shaped knob 15 inside the strip-shaped groove 6, at the same time, the sliding plate 10 moves in the setting cavity 8 to compress the spring 9, then the sensor base 12 is clamped into the installation groove 5, the metal needle foot 14 is inserted into the metal needle foot pipe 7, the T-shaped knob 15 is loosened, the sliding plate 10 is pushed to move in the setting cavity 8 by the spring 9, so that the card rod 11 is stretched out from the setting cavity 8, at this time, the card rod 11 corresponds to the annular groove 13, so that the card rod 11 is clamped into the annular groove 13, the end of the card rod 11 away from the sliding plate 10 is clamped into the fixed groove 17, thereby the installation of the sensor 3 can be completed.

[0032] In the second embodiment, on the basis of the first embodiment, the metal needle foot 14 is matched with the metal needle foot pipe 7, so as to facilitate the insertion of the metal needle foot 14 into the metal needle foot pipe 7, and facilitate the connection of the sensor 3 and the multifunctional monitoring module 2 through the metal needle foot 14 and the metal needle foot pipe 7.

[0033] It should be noted that the relational terms herein such as first and second and the like are used only to differentiate one entity or operation from another, and do not necessarily require or imply that any such actual relationship or order exists between or among the entities or operations. Also, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article or apparatus. Without further limitation, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article or apparatus including the element.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A detection device for the fault ride-through performance of a reactive power compensation device, comprising a detection device body (1), wherein a multi-functional monitoring module (2) is provided inside the detection device body (1), and a sensor (3) is provided on the upper surface of the multi-functional monitoring module (2), characterized in that: The multifunctional monitoring module (2) is provided with a dismounting mechanism with a sensor (3); The dismounting mechanism comprises a mounting base (4) fixedly installed on the upper surface of the multifunctional monitoring module (2), an installation groove (5) and a strip-shaped groove (6) are formed on the upper surface of the mounting base (4), a metal pin tube (7) electrically connected with the multifunctional monitoring module (2) is fixedly installed in the installation groove (5), a setting cavity (8) is formed in the mounting base (4), a spring (9) is fixedly installed in the setting cavity (8), one end of the spring (9) is fixedly installed with a sliding plate (10), two clamping rods (11) penetrating into the installation groove (5) are fixedly installed on the surface of the sliding plate (10) away from the spring (9), a sensor base (12) is fixedly installed at the bottom of the sensor (3), an annular groove (13) is formed on the side surface of the sensor base (12), and a metal pin (14) is fixedly installed at the bottom of the sensor base (12).

2. The device for detecting the fault ride-through performance of a reactive power compensation device according to claim 1, characterized in that A T-shaped shifting block (15) penetrating into the strip-shaped groove (6) is fixedly installed on the upper surface of the sliding plate (10), a strip-shaped hole (16) communicating with the setting cavity (8) is formed in the strip-shaped groove (6), the T-shaped shifting block (15) is located in the strip-shaped hole (16), and the outer surface of the T-shaped shifting block (15) is in sliding contact with the inner surface of the strip-shaped groove (6).

3. The device for detecting the fault ride-through performance of a reactive power compensation device according to claim 1, characterized in that The inner shape and size of the installation groove (5) are matched with the outer shape and size of the sensor base (12).

4. The device for detecting the fault ride-through performance of a reactive power compensation device according to claim 1, characterized in that The inner diameter of the annular groove (13) is matched with the spacing between the two clamping rods (11).

5. The device for detecting the fault ride-through performance of a reactive power compensation device according to claim 1, characterized in that Two fixing grooves (17) are formed in the inner side surface of the installation groove (5), the positions of the fixing grooves (17) correspond to the positions of the clamping rods (11), and the clamping rods (11) are matched with the fixing grooves (17).

6. The device for detecting the fault ride-through performance of a reactive power compensation device according to claim 1, characterized in that The metal pin (14) is matched with the metal pin tube (7).

7. The device for detecting the fault ride-through performance of a reactive power compensation device according to claim 1, characterized in that The sliding plate (10) is matched with the setting cavity (8), and the outer surface of the sliding plate (10) is in sliding contact with the inner surface of the setting cavity (8).

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