Hybrid compensation filtering cabinet

Abstract

The utility model discloses a hybrid compensation filtering cabinet which comprises a cabinet body, a voltage input mechanism and a compensation mechanism. A mounting isolation plate is arranged on the rear side of the inner wall of the cabinet body, a conductive slip ring is arranged in the middle of the rear end of the cabinet body, and the input end of the conductive slip ring is electrically connected with an external power supply; the voltage input mechanism comprises a rounded corner plate, a fixing column, a mounting block, a T-shaped sliding groove, a T-shaped sliding block and a conductive column, the rounded corner plate is rotationally connected to the middle of the front side face of the mounting isolation plate through a rotating shaft, the fixing column is arranged at the upper end of the mounting isolation plate, the mounting block is arranged at the rear end of the fixing column, the T-shaped sliding groove is formed in the mounting block, and the T-shaped sliding groove is formed in the mounting block. A T-shaped sliding block is slidably connected into the T-shaped sliding groove, a conductive column is arranged at the upper end of the T-shaped sliding block, the outer arc face of the conductive column is slidably connected with the middle of the upper end of the mounting block, and the middle of the rear surface of the fillet plate is fixedly connected with an inner rotating layer of the conductive sliding ring. The hybrid compensation filtering cabinet can automatically and quickly complete compensation operation.

Description

Technical Field

[0001] The utility model relates to the technical field of filter cabinets, in particular to a hybrid compensation filter cabinet. Background Art

[0002] The increasing application of modern industrial power electronic devices has made the problem of harmonic and reactive power compensation increasingly prominent. When compensating the reactive power of industrial loads, the mutual influence between the harmonics generated by the loads and the compensation capacitor bank must be considered.

[0003] The reactive power compensation and filtering devices currently on the market are basically low-voltage static reactive power generation devices and low-voltage active power filtering devices used in conjunction to achieve current compensation operations;

[0004] This type of dual-device coordination has some problems in daily use, such as poor coordination between the two devices, often requiring manual coordination and control of the dual devices using coding equipment, slow response speed, and low degree of automation: Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a hybrid compensation filter cabinet with fast response speed, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hybrid compensation filter cabinet, comprising a cabinet body, a voltage input mechanism and a compensation mechanism;

[0007] Cabinet: An isolation plate is installed on the rear side of the inner wall, and a conductive slip ring is provided in the middle of the rear end of the cabinet, and the input end of the conductive slip ring is electrically connected to an external power supply;

[0008] Voltage input mechanism: it includes a rounded plate, a fixed column, a mounting block, a T-shaped slide groove, a T-shaped slider and a conductive column. The rounded plate is rotatably connected to the middle part of the front side surface of the mounting isolation plate through a rotating shaft. The upper end of the mounting isolation plate is provided with a fixed column, and the rear end of the fixed column is provided with a mounting block. The interior of the mounting block is provided with a T-shaped slide groove, and the interior of the T-shaped slide groove is slidably connected with a T-shaped slider. The upper end of the T-shaped slider is provided with a conductive column. The outer arc surface of the conductive column is slidably connected to the middle part of the upper end of the mounting block. The middle part of the rear surface of the rounded plate is fixedly connected to the inner rotating layer of the conductive slip ring. The output end of the conductive column is electrically connected to the input end of the conductive slip ring through a wire.

[0009] Compensation mechanism: It is fixedly connected to the outer surface of the installation isolation plate and can automatically and quickly complete the compensation operation.

[0010] Furthermore, it also includes a front sealed door, which is hinged to the front end of the cabinet through a hinge, and a handle is provided on the right side of the front surface of the front sealed door to achieve the function of sealing the working environment.

[0011] Furthermore, it also includes a single chip microcomputer, which is arranged at the front end of the front sealing door, and the input end of the single chip microcomputer is electrically connected to an external power supply to control the normal operation of various electrical appliances.

[0012] Furthermore, the voltage input mechanism also includes a circular slide groove and a slider. The circular slide groove is opened on the rear side of the mounting isolation plate. The slider is slidably connected inside the circular slide groove. The upper end of the slider is fixedly connected to the front end of the fixed column. A gear motor is provided in the middle of the front surface of the mounting isolation plate. The output shaft of the gear motor is fixedly connected to the front end of the rotating shaft of the rounded plate. The input end of the gear motor is electrically connected to the output end of the single-chip microcomputer, so as to provide power for angle adjustment.

[0013] Furthermore, the voltage input mechanism also includes a telescopic reset component, which includes a telescopic rod, a spring and a limit block. The telescopic rod is arranged between the lower inner wall of the T-shaped slide groove and the upper surface of the T-shaped slider. A spring is provided between the lower inner wall of the T-shaped slide groove and the upper surface of the T-shaped slider. The spring is movably sleeved on the outer arc surface of the telescopic rod. Limit blocks are respectively provided at the left and right ends of the T-shaped slider to provide power for the conductive column to be closely connected to the arc-shaped protruding metal sheet.

[0014] Furthermore, the compensation mechanism also includes a connecting mounting plate, an arc-shaped connecting protruding metal sheet, a first compensator, a second compensator and a circuit breaker. The connecting mounting plates are evenly arranged on the rear surface of the mounting isolation plate. The three connecting mounting plates are fixedly connected with arc-shaped connecting protruding metal sheets on one side facing the center of the cabinet, and the rear ends of the arc-shaped connecting protruding metal sheets are provided with access lines. A first compensator is provided on the upper left side of the front surface of the mounting isolation plate, a second compensator is provided on the lower left side of the front surface of the mounting isolation plate, and a circuit breaker is provided on the left side of the middle part of the front surface of the mounting isolation plate. The input ends of the first compensator, the second compensator and the circuit breaker are respectively electrically connected to the access lines of the three arc-shaped connecting protruding metal sheets, the first compensator, the second compensator and the circuit breaker are all electrically connected to the single-chip microcomputer in both directions, and the output ends of the first compensator, the second compensator and the circuit breaker are all connected to a cable to realize the function of regulating voltage.

[0015] Furthermore, it also includes a voltage detection instrument, which is arranged on the upper right side of the front surface of the isolation plate. The voltage detection instrument is connected in parallel with the external access line and is bidirectionally electrically connected to the single-chip microcomputer to realize the function of measuring voltage information.

[0016] Furthermore, it also includes heat dissipation plates, which are respectively arranged on the lower side of the left side and the lower side of the right side of the cabinet to achieve the function of heat dissipation inside the cabinet.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the hybrid compensation filter cabinet has the following advantages:

[0018] When the hybrid compensation filter cabinet is working, if the voltage is in a normal state, the single chip will control the operation of the gear motor, and the gear motor will rotate at a specified angle, thereby driving the fillet plate to rotate about the axis of its own rotating shaft, and driving the fixed column to move to the position of the arc-shaped protruding metal sheet connected to the circuit breaker. In this process, the conductive column slides to the inside of the arc-shaped protruding metal sheet. Because of the elastic force of the spring, the spring gives the telescopic rod an elongation force, thereby driving the limit block to start to the outside, and then the conductive column can be lifted up, and the conductive column can slide into the inside of the arc-shaped protruding metal sheet. At the same time, when the voltage detection instrument detects that the voltage is abnormal and voltage compensation or voltage reduction is required, the conductive column can be moved to the corresponding position of the arc-shaped protruding metal sheet in the same way as above. At this time, the first compensator and the second compensator at the corresponding position will balance the voltage, and then output the compensated voltage to provide a stable voltage to the external equipment, and the compensation operation can be completed automatically and quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the utility model;

[0020] Figure 2 Schematic diagram of the internal structure of the utility model;

[0021] Figure 3 The utility model is a schematic diagram of the rear side cross-sectional structure;

[0022] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0023] In the figure: 1 cabinet, 2 installation isolation plate, 3 conductive slip ring, 4 voltage input mechanism, 41 fillet plate, 42 circular slide groove, 43 slider, 44 fixed column, 45 mounting block, 46 T-type slide groove, 47 telescopic reset assembly, 471 telescopic rod, 472 spring, 473 limit block, 48 T-type slider, 49 conductive column, 5 compensation mechanism, 51 connecting mounting plate, 52 arc-shaped connecting protruding metal sheet, 53 first compensator, 54 second compensator, 55 circuit breaker, 6 single-chip microcomputer, 7 heat sink, 8 gear motor, 9 voltage detection instrument, 10 front side sealing door. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4, This embodiment provides a technical solution: a hybrid compensation filter cabinet, including a cabinet body 1, a voltage input mechanism 4 and a compensation mechanism 5;

[0026] Cabinet 1: an isolation plate 2 is installed on the rear side of its inner wall, a conductive slip ring 3 is installed in the middle of the rear end of the cabinet 1, and the input end of the conductive slip ring 3 is electrically connected to the external power supply. It also includes a front sealed door 10, which is hinged to the front end of the cabinet 1 through a hinge, and a handle is provided on the right side of the front surface of the front sealed door 10. It also includes a single-chip microcomputer 6, which is arranged at the front end of the front sealed door 10, and the input end of the single-chip microcomputer 6 is electrically connected to the external power supply. It also includes a voltage detection instrument 9, which is arranged on the upper right side of the front surface of the isolation plate 2, and the voltage detection instrument 9 is connected in parallel with the external access line. The voltage detection instrument 9 is bidirectionally electrically connected to the single-chip microcomputer 6, and also includes a heat sink 7, which is respectively arranged on the lower left side and the lower right side of the cabinet 1. The filter cabinet is placed on the designated workstation, and the single-chip microcomputer 6 can be regulated at this time. The voltage detection instrument 9 is in operation, and the voltage information of the external power line can be measured at this time, and the data is returned to the single-chip microcomputer 6 in real time, and the single-chip microcomputer 6 processes this information;

[0027] Voltage input mechanism 4: It includes a rounded plate 41, a fixed column 44, a mounting block 45, a T-shaped slide 46, a T-shaped slider 48 and a conductive column 49. The rounded plate 41 is rotatably connected to the middle of the front side of the mounting isolation plate 2 through a rotating shaft. The upper end of the mounting isolation plate 2 is provided with a fixed column 44, and the rear end of the fixed column 44 is provided with a mounting block 45. The interior of the mounting block 45 is provided with a T-shaped slide 46, and the interior of the T-shaped slide 46 is slidably connected with a T-shaped slider 48. The upper end of the T-shaped slider 48 is provided with a conductive column 49, and the outer arc surface of the conductive column 49 is connected to the upper end of the mounting block 45. The middle part of the rear surface of the rounded plate 41 is fixedly connected to the inner rotating layer of the conductive slip ring 3, and the output end of the conductive column 49 is electrically connected to the input end of the conductive slip ring 3 through a wire. The voltage input mechanism 4 also includes a circular slide groove 42 and a slider 43. The circular slide groove 42 is opened on the rear side of the installation isolation plate 2. The slider 43 is slidably connected inside the circular slide groove 42. The upper end of the slider 43 is fixedly connected to the front end of the fixed column 44. A gear motor 8 is provided in the middle part of the front surface of the installation isolation plate 2. The output shaft of the gear motor 8 is fixedly connected to the front end of the rotating shaft of the rounded plate 41. The input end of the gear motor 8 is electrically connected to the output end of the single-chip microcomputer 6. The voltage input mechanism 4 also includes a telescopic reset component 47, which includes a telescopic rod 471, a spring 472 and a limit block 473. The telescopic rod 471 is arranged between the lower inner wall of the T-shaped slide 46 and the upper surface of the T-shaped slide 48. A spring 472 is arranged between the lower inner wall of the T-shaped slide 46 and the upper surface of the T-shaped slide 48. The spring 472 is movably sleeved on the outer arc surface of the telescopic rod 471. The left and right ends of the T-shaped slide 48 are respectively provided with limit blocks 473. If the voltage In a normal state, the single chip computer 6 will control the gear motor 8 to operate, and the gear motor 8 will rotate at a specified angle, thereby driving the fillet plate 41 to rotate about the axis of its own rotating shaft, and driving the fixing column 44 to move to the position of the arc-shaped connecting protruding metal sheet 52 connected to the circuit breaker 55. During this process, the conductive column 49 slides into the inside of the arc-shaped connecting protruding metal sheet 52. Due to the elastic force of the spring 472, the spring 472 gives the telescopic rod 471 an elongation force, thereby driving the limit block 473 to start to move outward, thereby lifting the conductive column 49;

[0028] Compensation mechanism 5: It is fixedly connected to the outer surface of the installation isolation plate 2. The compensation mechanism 5 also includes a connection installation plate 51, an arc-shaped connection protruding metal sheet 52, a first compensator 53, a second compensator 54 and a circuit breaker 55. The connection installation plate 51 is evenly arranged on the rear surface of the installation isolation plate 2. The three connection installation plates 51 are respectively fixedly connected to the arc-shaped connection protruding metal sheet 52 on one side facing the center of the cabinet 1. The rear ends of the arc-shaped connection protruding metal sheet 52 are all provided with access lines. The first compensator 53 is provided on the upper left side of the front surface of the installation isolation plate 2. The second compensator 54 is provided on the lower left side of the front surface of the installation isolation plate 2. The circuit breaker 55 is provided on the left side of the middle of the front surface of the installation isolation plate 2. The first compensator 53, the second compensator 54 and the circuit breaker 55 The input end is electrically connected to the access lines of the three arc-shaped protruding metal sheets 52 respectively, the first compensator 53, the second compensator 54 and the circuit breaker 55 are all electrically connected to the single-chip computer 6 in both directions, and the output ends of the first compensator 53, the second compensator 54 and the circuit breaker 55 are all connected to a cable, so that the conductive column 49 can slide into the interior of the arc-shaped protruding metal sheet 52. At the same time, when the voltage detection instrument 9 detects that the voltage is abnormal and voltage compensation or voltage reduction is required, the conductive column 49 can be moved to the corresponding position of the arc-shaped protruding metal sheet 52 in the above manner. At this time, the first compensator 53 and the second compensator 54 at the corresponding position will balance the voltage, and then output the compensated voltage to provide a stable voltage to the external device.

[0029] The working principle of a hybrid compensation filter cabinet provided by the utility model is as follows: the filter cabinet is placed on a designated workstation, at which time the single chip microcomputer 6 can be regulated, the voltage detection instrument 9 can be operated, and the voltage information of the external power line can be measured, and the data can be returned to the single chip microcomputer 6 in real time. The single chip microcomputer 6 processes this information. If the voltage is in a normal state, the single chip microcomputer 6 will regulate the operation of the gear motor 8, and the gear motor 8 will rotate at a specified angle, thereby driving the fillet plate 41 to rotate with the axis of its own rotating shaft, driving the fixed column 44 to move to the arc-shaped connection protruding metal sheet 52 connected to the circuit breaker 55. In this process, the conductive column 49 slides to the arc-shaped connection The inside of the protruding metal sheet 52 is affected by the elastic force of the spring 472, and the spring 472 gives the telescopic rod 471 an elongation force, which drives the limit block 473 to move toward the outer end, thereby lifting the conductive column 49, and the conductive column 49 is able to slide into the arc-shaped connection to the inside of the protruding metal sheet 52. At the same time, when the voltage detection instrument 9 detects that the voltage is abnormal and voltage compensation or voltage reduction is required, the conductive column 49 can be moved to the corresponding position of the arc-shaped connection to the protruding metal sheet 52 in the above manner. At this time, the first compensator 53 and the second compensator 54 at the corresponding position will balance the voltage, and then output the compensated voltage to provide a stable voltage to the external device.

[0030] It is worth noting that the single chip microcomputer 6 disclosed in the above embodiment, the specific model is S7-200, the conductive slip ring 3, the first compensator 53, the second compensator 54, the circuit breaker 55, and the voltage detection instrument 9 can be freely configured according to the actual application scenario. The conductive slip ring 3 is recommended to be used, the first compensator 53 is recommended to be the HWSVG-PKT pocket static VAR generator, the second compensator 54 is recommended to be the NYAPF-30A low-voltage active power filter, the circuit breaker 55 is recommended to be the NM1 series circuit breaker, and the voltage detection instrument 9 is recommended to be the PQ3198 power quality analyzer. The single chip microcomputer 6 controls the first compensator 53, the second compensator 54, and the voltage detection instrument 9 to work using methods commonly used in the prior art.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A hybrid compensation filter cabinet, characterized in that: It comprises a cabinet (1), a voltage input mechanism (4) and a compensation mechanism (5); A cabinet (1): an isolation plate (2) is installed on the rear side of the inner wall thereof, a conductive slip ring (3) is provided in the middle of the rear end of the cabinet (1), and an input end of the conductive slip ring (3) is electrically connected to an external power supply; A voltage input mechanism (4): comprising a rounded corner plate (41), a fixed column (44), a mounting block (45), a T-shaped slide groove (46), a T-shaped slider (48) and a conductive column (49); the rounded corner plate (41) is rotatably connected to the middle portion of the front side surface of the mounting isolation plate (2) via a rotating shaft; the upper end of the mounting isolation plate (2) is provided with a fixed column (44); the rear end of the fixed column (44) is provided with a mounting block (45); the interior of the mounting block (45) is provided with a T-shaped slide groove (46); the interior of the T-shaped slide groove (46) is slidably connected with a T-shaped slider (48); the upper end of the T-shaped slider (48) is provided with a conductive column (49); the outer arc surface of the conductive column (49) is slidably connected to the middle portion of the upper end of the mounting block (45); the middle portion of the rear surface of the rounded corner plate (41) is fixedly connected to the inner rotating layer of the conductive slip ring (3); the output end of the conductive column (49) is electrically connected to the input end of the conductive slip ring (3) via a wire; Compensation mechanism (5): fixedly connected to the outer surface of the mounting isolation plate (2).

2. A hybrid compensation filter cabinet according to claim 1, characterized in that: It also comprises a front sealed door (10), wherein the front sealed door (10) is hinged to the front end of the cabinet (1) via a hinge, and a handle is provided on the right side of the front surface of the front sealed door (10).

3. A hybrid compensation filter cabinet according to claim 2, characterized in that: It also comprises a single chip microcomputer (6), wherein the single chip microcomputer (6) is arranged at the front end of the front sealing door (10), and an input end of the single chip microcomputer (6) is electrically connected to an external power supply.

4. A hybrid compensation filter cabinet according to claim 3, characterized in that: The voltage input mechanism (4) further comprises a circular slide groove (42) and a slider (43); the circular slide groove (42) is provided on the rear side surface of the mounting isolation plate (2); the slider (43) is slidably connected inside the circular slide groove (42); the upper end of the slider (43) is fixedly connected to the front end of the fixing column (44); a gear motor (8) is provided in the middle of the front surface of the mounting isolation plate (2); the output shaft of the gear motor (8) is fixedly connected to the front end of the rotating shaft of the rounded plate (41); and the input end of the gear motor (8) is electrically connected to the output end of the single-chip computer (6).

5. The hybrid compensation filter cabinet according to claim 1, characterized in that: The voltage input mechanism (4) further comprises a telescopic reset assembly (47), the telescopic reset assembly (47) comprising a telescopic rod (471), a spring (472) and a stop block (473), the telescopic rod (471) being arranged between the lower inner wall of the T-shaped slide groove (46) and the upper surface of the T-shaped slide block (48), a spring (472) being arranged between the lower inner wall of the T-shaped slide groove (46) and the upper surface of the T-shaped slide block (48), the spring (472) being movably sleeved on the outer arc surface of the telescopic rod (471), and stop blocks (473) being arranged at the left end and the right end of the T-shaped slide block (48), respectively.

6. A hybrid compensation filter cabinet according to claim 3, characterized in that: The compensation mechanism (5) further comprises a connection mounting plate (51), an arc-shaped connection protruding metal sheet (52), a first compensator (53), a second compensator (54) and a circuit breaker (55); the connection mounting plate (51) is evenly arranged on the rear surface of the installation isolation plate (2); the arc-shaped connection protruding metal sheet (52) is fixedly connected to the side of the three connection mounting plates (51) facing the center of the cabinet (1); the rear end of the arc-shaped connection protruding metal sheet (52) is provided with an access line; the first compensator (53) is provided on the upper left side of the front surface of the installation isolation plate (2); A second compensator (54) is provided on the lower left side of the front surface of the isolation plate (2); a circuit breaker (55) is provided on the left side of the middle portion of the front surface on which the isolation plate (2) is installed; input ends of the first compensator (53), the second compensator (54) and the circuit breaker (55) are respectively electrically connected to access wires of three arc-shaped connecting protruding metal sheets (52); the first compensator (53), the second compensator (54) and the circuit breaker (55) are all bidirectionally electrically connected to the single-chip computer (6); and output ends of the first compensator (53), the second compensator (54) and the circuit breaker (55) are all connected to a cable.

7. The hybrid compensation filter cabinet according to claim 3 is characterized in that: It also includes a voltage detection instrument (9), which is arranged on the upper right side of the front surface of the mounting isolation plate (2), the voltage detection instrument (9) is connected in parallel with the external access line, and the voltage detection instrument (9) is bidirectionally electrically connected to the single-chip computer (6).

8. The hybrid compensation filter cabinet according to claim 3, characterized in that: It also includes a heat dissipation plate (7), which is respectively arranged on the lower side of the left side and the lower side of the right side of the cabinet (1).

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