Intelligent harmonic suppression type integrated power capacitance compensation device

Abstract

The utility model discloses an intelligent harmonic suppression type integrated power capacitance compensation device, which comprises a casing and a bottom plate, a capacitor, a reactor, a mainboard assembly, a silicon controlled rectifier power module, an air guide device, a fan and a circuit breaker are arranged in the casing, a fan mounting through hole is arranged at the top of the casing, the fan is mounted in the fan mounting through hole, and the bottom plate is arranged on the bottom plate. The lower end of the fan is provided with an air guide device, and the lower end of the air guide device is provided with a silicon-controlled power module which is electrically connected with the reactor through a first connecting wire; the silicon controlled power module is electrically connected with the mainboard assembly through a second connecting wire. The silicon controlled power module is electrically connected with the circuit breaker through a third connecting wire; the mainboard assembly is electrically connected with the capacitor through a fourth connecting wire. And the capacitor is electrically connected with the reactor through a fifth connecting wire. According to the technical scheme, the structural design is reasonable, modular assembly improves the assembly efficiency, the maintenance cost is reduced, the heat dissipation performance is good, the service life is long, and the practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent capacitor technical field, concretely relates to a kind of intelligent harmonic suppression type integrated power capacitor compensation device. BACKGROUND

[0002] Intelligent harmonic suppression capacitor is applied to 0.4KV low-voltage distribution network High-efficiency energy-saving, filtering harmonic, improve power factor New generation of reactive power compensation equipment, replace traditional by intelligent reactive power compensation controller, fuse, switching switch, filter reactor and power capacitor etc. The reactive power compensation equipment of scattered spare parts is composed.

[0003] Traditional harmonic suppression capacitor is compactly assembled together with each electrical component, and the electrical component includes a relay. The relay is prone to produce instantaneous current during operation, which is characterized by producing sparks or contact burning. Moreover, due to the lack of timely heat dissipation, the high temperature inside the capacitor can shorten the service life of the components and easily cause safety hazards, resulting in low safety performance and high failure rate. In addition, the traditional harmonic suppression capacitor has poor harmonic resistance due to unreasonable structure design, and is inconvenient to maintain and repair, with high maintenance cost and poor practicability. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an intelligent harmonic suppression type integrated power capacitor compensation device with reasonable structure design, modular assembly, improved assembly efficiency, reduced maintenance cost, good heat dissipation performance, long service life and good practicability.

[0005] To achieve the above object, the utility model provides the following technical scheme: A kind of integrated power capacitor compensation device of intelligent harmonic suppression, including casing and bottom plate, the lower end of the casing is fixedly connected with the bottom plate, capacitor, electric reactor, mainboard assembly, thyristor power module, air guide device, fan and circuit breaker are arranged in the casing, the inner bottom surface of the bottom plate is mounted at the lower end of the capacitor and the electric reactor, the top of the casing is provided with fan mounting through-hole, the fan is mounted in fan mounting through-hole, the lower end of the fan is installed air guide device, the lower end of the air guide device is installed thyristor power module, a plurality of first connecting wires are arranged between the thyristor power module and the electric reactor, and the thyristor power module and the electric reactor are electrically connected by the first connecting wire;A plurality of second connecting wires are arranged between the thyristor power module and the mainboard assembly, and the thyristor power module and the mainboard assembly are electrically connected by the second connecting wire;A plurality of third connecting wires are arranged between the thyristor power module and the circuit breaker, and the thyristor power module and the circuit breaker are electrically connected by the third connecting wire;A plurality of fourth connecting wires are arranged between the mainboard assembly and the capacitor, and the mainboard assembly and the capacitor are electrically connected by the fourth connecting wire;A plurality of fifth connecting wires are arranged between the capacitor and the electric reactor, and the capacitor and the electric reactor are electrically connected by the fifth connecting wire.

[0006] The utility model further sets up: the upper left end of the casing is provided with control panel, the mainboard assembly is installed below control panel, a plurality of sixth connecting wires are arranged between the control panel and the mainboard assembly, and the control panel is electrically connected with the mainboard assembly by the sixth connecting wire;The control panel and the casing are fixed by screw connection or clamped by clamping structure;The mainboard assembly and the casing are fixed by bolt connection.

[0007] The utility model further sets up: the upper right end of the casing is provided with circuit breaker mounting through-hole, the circuit breaker is installed in circuit breaker mounting through-hole, and the switch of the circuit breaker is outwardly arranged;The circuit breaker is fixed by screw locking.

[0008] The utility model further sets up: the lower end of the capacitor and the electric reactor is fixed by bolt connection with the inner bottom surface of the bottom plate, an insulating plate is arranged between the capacitor and the electric reactor, and the lower end of the insulating plate is fixed by bolt connection with the bottom plate.

[0009] The utility model further sets up: the fan and the casing are fixed by bolt connection, the fan and the air guide device are fixed by bolt connection, the lower end surface of the air guide device and the thyristor power module are fixed by bolt connection, a plurality of air guide grooves are arranged on the air guide device, one end of the air guide groove is arranged in alignment with the mainboard assembly, and the other end of the air guide groove is arranged in alignment with the circuit breaker.

[0010] The utility model further sets up: the left side and right side upper end of casing all set up a plurality of shell heat dissipation through -hole, the left side and right side of casing all set up have overhauling through -hole, the outer port position of every overhauling through -hole all set up have a side plate, the side plate is connected fixed with casing through screw, and a plurality of side plate heat dissipation through -hole is seted up on the side plate.

[0011] The utility model discloses beneficial effect is: compared with prior art, the utility model discloses reasonable structure design, the mainboard assembly is assembled to the casing, adopts modular assembly technology, and the integrated process of component is optimized, and assembly efficiency and maintainability are improved, and maintenance cost is reduced, traditional relay is replaced by thyristor power module, and electromagnetic interference and noise are effectively reduced, and the thyristor power module has high efficiency and low dissipation characteristic, can improve the reliability and stability of whole device, and the reactive power compensation performance of device is enhanced significantly, and fan and air guide system are designed and installed, and the heat dissipation performance is effectively improved, ensures that device heat dissipation performance is good, can long -term stable operation, in addition, through the thyristor power module can realize accurate rectification control, and the adaptability and adjustment flexibility are enhanced. Structure design is reasonable, and the service life is long and practicality is good.

[0012] The utility model will be further described below in conjunction with the drawings and specific embodiment. DRAWINGS

[0013] Fig. 1 It is the structure schematic drawing of the utility model embodiment;

[0014] Fig. 2 It is the explosion schematic drawing of the utility model embodiment;

[0015] Fig. 3 It is the local structure schematic drawing of the utility model embodiment;

[0016] Fig. 4 It is the assembly schematic drawing of the utility model embodiment casing and bottom plate. CONCRETE IMPLEMENTING METHOD

[0017] In the description of the embodiment, it needs to be explained that, if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like appear, the orientation or position relation that it indicates is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore, cannot be understood as the restriction of the utility model. In addition, if the terms "first", "second", "third" appear, it is only for the description purpose, and cannot be understood as indicating or implying relative importance.

[0018] Referring toFigs. 1 to 4 The utility model discloses an integrated power capacitor compensation device of intelligent harmonic suppression, including casing 1 and bottom plate 2, the lower extreme of casing 1 is fixedly connected with bottom plate 2, be provided with capacitor 3, electric reactor 4, mainboard assembly 5, thyristor power module 6, air guide device 7, fan 8 and circuit breaker 9 in casing 1, the inner bottom surface of bottom plate 2 is installed in the lower extreme of capacitor 3 and electric reactor 4, the top of casing 1 is provided with fan mounting through -hole 11, fan 8 is installed in fan mounting through -hole 11, the lower end of fan 8 installs air guide device 7, the lower end of air guide device 7 installs thyristor power module 6, be provided with a plurality of first connecting wires between thyristor power module 6 and electric reactor 4, and thyristor power module 6 and electric reactor 4 are connected through first connecting wire electricity;Be provided with a plurality of second connecting wires between thyristor power module 6 and mainboard assembly 5, and thyristor power module 6 and mainboard assembly 5 are connected through second connecting wire electricity;Be provided with a plurality of third connecting wires between thyristor power module 6 and circuit breaker 9, and thyristor power module 6 and circuit breaker 9 are connected through third connecting wire electricity;Be provided with a plurality of fourth connecting wires between mainboard assembly 5 and capacitor 3, and mainboard assembly 5 and capacitor 3 are connected through fourth connecting wire electricity;Be provided with a plurality of fifth connecting wires between capacitor 3 and electric reactor 4, and capacitor 3 and electric reactor 4 are connected through fifth connecting wire electricity.

[0019] As preferred, the thyristor power module 6 is an existing product, commonly known as a power semiconductor module, which introduces the module principle into the field of power electronics technology, and is a high-power semiconductor device in a module packaging form.

[0020] To make the structure design of the utility model more reasonable, as preferred, the upper left end of the casing 1 is provided with a control panel 10, the mainboard assembly 5 is installed below the control panel 10, a plurality of sixth connecting wires are arranged between the control panel 10 and the mainboard assembly 5, and the control panel 10 is electrically connected to the mainboard assembly 5 through the sixth connecting wires; the control panel 10 and the casing 1 are fixedly connected through screws or are fixedly connected through a clamping structure; and the mainboard assembly 5 and the casing 1 are fixedly connected through bolts.

[0021] As preferred, the first connecting wire, the second connecting wire, the third connecting wire, the fourth connecting wire, the fifth connecting wire, and the sixth connecting wire are each provided with at least one, and the actual number can be set according to user needs.

[0022] The upper right end of the casing 1 is provided with a circuit breaker mounting through-hole 12, the circuit breaker 9 is installed in the circuit breaker mounting through-hole 12, and the switch of the circuit breaker 9 is outwardly arranged; and the circuit breaker 9 is fixedly locked through screws.

[0023] The lower ends of the capacitor 3 and the reactor 4 are fixed to the inner bottom surface of the bottom plate 2 by screw connection, and an insulating plate 13 is arranged between the capacitor 3 and the reactor 4, and the lower end of the insulating plate 13 is fixed to the bottom plate 2 by screw connection.

[0024] The fan 8 is fixed to the casing 1 by screw connection, the fan 8 is fixed to the air guide device 7 by screw connection, the lower end surface of the air guide device 7 is fixed to the silicon controlled power module 6 by screw connection, and a plurality of air guide grooves are arranged on the air guide device 7, one end of the air guide groove is aligned with the mainboard assembly 5, and the other end of the air guide groove is aligned with the circuit breaker 9.

[0025] A plurality of casing heat dissipation holes 14 are arranged on the upper ends of the left and right side surfaces of the casing 1, and a maintenance hole 15 is arranged on the left and right side surfaces of the casing 1, and a side plate is arranged at the outer port position of each maintenance hole 15, the side plate is fixed to the casing by screw connection, and a plurality of side plate heat dissipation holes are arranged on the side plate.

[0026] In actual application, the mainboard assembly is assembled into the casing, the modular assembly technology is adopted, the integration process of the assembly is optimized, the assembly efficiency and the maintainability are improved, and the maintenance cost is reduced; the silicon controlled power module is adopted to replace the traditional relay, the electromagnetic interference and the noise are effectively reduced, the silicon controlled power module has high efficiency and low dissipation characteristics, the reliability and the stability of the whole device can be improved, and the reactive power compensation performance of the device is significantly enhanced; moreover, the fan and the air guide system are designed and installed, the heat dissipation performance is effectively improved, the heat dissipation performance of the device is ensured, and the device can be stably operated for a long time; in addition, the silicon controlled power module can realize accurate rectification control, and the adaptability and the adjustment flexibility are enhanced.

[0027] The above embodiment is only used for further illustrating the utility model, and cannot be understood as limiting the protection scope of the utility model, and the skilled engineers in the art can make some non-essential improvements and adjustments to the utility model according to the content of the utility model, and the improvements and adjustments fall within the protection scope of the utility model.

Claims

1. An intelligent harmonic suppression integrated power capacitor compensation device, comprising a housing (1) and a base plate (2), wherein the lower end of the housing (1) is fixedly connected to the base plate (2), and is characterized in that: The housing (1) is provided with a capacitor (3), a reactor (4), a mainboard assembly (5), a thyristor power module (6), an air guide device (7), a fan (8) and a circuit breaker (9), the lower ends of the capacitor (3) and the reactor (4) are both mounted on the inner bottom surface of the base plate (2), the top of the housing (1) is provided with a fan mounting through hole (11), the fan (8) is mounted in the fan mounting through hole (11), the lower end of the fan (8) is provided with an air guide device (7), the lower end of the air guide device (7) is provided with a thyristor power module (6), a plurality of first connecting wires are provided between the thyristor power module (6) and the reactor (4), and the thyristor power module (6) and the reactor (4) are electrically connected via the first connecting wires. A plurality of second connecting wires are provided between the thyristor power module (6) and the mainboard assembly (5), and the thyristor power module (6) and the mainboard assembly (5) are electrically connected via the second connecting wires; a plurality of third connecting wires are provided between the thyristor power module (6) and the circuit breaker (9), and the thyristor power module (6) and the circuit breaker (9) are electrically connected via the third connecting wires; a plurality of fourth connecting wires are provided between the mainboard assembly (5) and the capacitor (3), and the mainboard assembly (5) and the capacitor (3) are electrically connected via the fourth connecting wires; a plurality of fifth connecting wires are provided between the capacitor (3) and the reactor (4), and the capacitor (3) and the reactor (4) are electrically connected via the fifth connecting wires.

2. The intelligent harmonic suppression integrated power capacitor compensation device according to claim 1, characterized in that: A control panel (10) is provided at the upper left end of the housing (1), the mainboard assembly (5) is installed below the control panel (10), a plurality of sixth connecting wires are provided between the control panel (10) and the mainboard assembly (5), and the control panel (10) is electrically connected to the mainboard assembly (5) via the sixth connecting wires; The control panel (10) and the housing (1) are fixed by screw connection or by a clamping structure; the mainboard assembly (5) and the housing (1) are fixed by bolt connection.

3. The intelligent harmonic suppression integrated power capacitor compensation device according to claim 2, characterized in that: A circuit breaker mounting through hole (12) is provided at the upper right end of the housing (1), and the circuit breaker (9) is installed in the circuit breaker mounting through hole (12), with the switch of the circuit breaker (9) facing outward; the circuit breaker (9) is fixed by screws.

4. The intelligent harmonic suppression integrated power capacitor compensation device according to claim 3 is characterized by: The lower ends of the capacitor (3) and the reactor (4) are fixed to the inner bottom surface of the base plate (2) by bolt connection, an insulating plate (13) is provided between the capacitor (3) and the reactor (4), and the lower end of the insulating plate (13) is fixed to the base plate (2) by bolt connection.

5. The intelligent harmonic suppression integrated power capacitor compensation device according to claim 1 or 4, characterized in that: The fan (8) is fixed to the housing (1) by bolt connection, the fan (8) is fixed to the air guide device (7) by bolt connection, the lower end surface of the air guide device (7) is fixed to the thyristor power module (6) by bolt connection, and a plurality of air guide grooves are provided on the air guide device (7), one end of the air guide groove is aligned with the mainboard assembly (5), and the other end of the air guide groove is aligned with the circuit breaker (9).

6. The intelligent harmonic suppression integrated power capacitor compensation device according to claim 1 or 4, characterized in that: A plurality of shell heat dissipation holes (14) are provided on the upper ends of the left side and the right side of the casing (1); an inspection hole (15) is provided on the left side and the right side of the casing (1), and a side panel is provided at the outer end position of each inspection hole (15), the side panel is fixed to the casing by screws, and a plurality of side panel heat dissipation holes are provided on the side panel.

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