Transformer area voltage optimizing device

Abstract

The utility model discloses a transformer area voltage optimization device, relates to the technical field of transformer area voltage optimization, and aims to solve the problems that in the prior art, transformer area optimization device equipment is limited by power devices and cannot effectively dissipate heat, and the like, the transformer area voltage optimization device comprises a cabinet body, and a unit control module and a bypass module are arranged in the cabinet body; the unit control module comprises a shell assembly and an input and output busbar, the input and output busbar is respectively connected with the bypass module, the thyristor assembly and the filtering assembly, the filtering assembly is connected with the power unit assembly, a lead of the BOOST inductor assembly is connected with the filtering assembly, and an outgoing line is connected with the power unit assembly; the power unit assembly, the BOOST inductor assembly and the fan assembly are arranged on the same layer. According to the utility model, through reasonable heat dissipation layout and multi-channel heat dissipation path design, the heat dissipation level is greatly improved, and the overall energy density of equipment is improved, so that the three-phase voltage quality at the tail end of a power grid in a transformer area is improved, and the voltage improvement requirement of a large-load electricity utilization group is better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of transformer area voltage optimization device, belong to transformer area voltage optimization technical field. BACKGROUND

[0002] Now, the rapid development of society makes our country whether industrial electricity or residential electricity demand is in rapid expansion.In the process of rapid development, power grid end three-phase voltage quality is a place of urgent concern.Based on such demand, with IGBT or SiCMOSFET as core power module, transformer area voltage management device arises at the historic moment.

[0003] The type of transformer area voltage management device on market is mostly with power 70KW and below, and transformer optimization device equipment of larger power is subject to effective heat dissipation of power device and factors such as assembly transportation cost, and is rarely seen in market. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a kind of optimization device of transformer area voltage, and the energy density of device equipment whole is realized by the rational heat dissipation layout, the heat dissipation path design of multiple channels.

[0005] To achieve the above object, the utility model is implemented by the following technical scheme:

[0006] The utility model provides a kind of transformer area voltage optimization device, including cabinet, the cavity is equipped in the cabinet, the cavity is divided into upper half and lower half, unit control module is equipped in the upper half, bypass module is equipped in the lower half;

[0007] The unit control module includes shell assembly and the input-output busbar in the shell assembly, the input-output busbar is connected with bypass module, thyristor assembly and filter assembly respectively, and the filter assembly is connected with power unit assembly;

[0008] The power unit assembly, BOOST inductance component and fan assembly are arranged in the same layer, the fan assembly is used to heat dissipation BOOST inductance component, power unit assembly, BOOST inductance component is equipped with lead and lead-out wire, the lead is connected with filter assembly, and the lead-out wire is connected with power unit assembly.

[0009] Further, the power unit assembly includes drive board assembly and tooth-shaped radiator, the drive board assembly includes power device and drive board card connected with the signal pin of power device, the upper part of tooth-shaped radiator is equipped with heat dissipation base plate, and the heat dissipation position of power device is laid on heat dissipation base plate.

[0010] Further, the BOOST inductance assembly comprises an inductance assembly support and an inductance component, the inductance component is embedded on the inductance assembly support, the inductance component comprises a magnetic core and a winding structure, and the magnetic core and the winding structure are exposed to the air duct air of the fan assembly.

[0011] Further, a thyristor assembly is arranged on the inductance assembly support, and the inductance assembly support is made of metal material, so that the thyristor assembly can dissipate heat by using the inductance assembly support.

[0012] Further, the unit control module further comprises a power supply assembly and a control board assembly, the control board assembly is connected with the power unit assembly through a plug-in connection, and the power supply assembly is connected with the filter assembly and the control board assembly.

[0013] Further, the filter assembly is arranged above the BOOST inductance assembly and the power unit assembly, the shell assembly comprises a shell cover plate, the filter assembly comprises a differential mode filter inductance and a PCB board, a winding part of the differential mode filter inductance is filled with a filling material, the bottom part is connected with the PCB board, and the top part is connected with the shell cover plate through a heat dissipation material.

[0014] Further, the unit control module is provided with an insulating sealing plate at the bottom, the bypass module is arranged in the lower half part through a mounting support, the mounting support is provided with an insulating paper at the bottom and an acrylic protective plate at the front, the acrylic protective plate is provided with a slot at a connecting position of the bypass module and the unit control module, and the slot is used for providing a maintenance and installation operation space.

[0015] Further, the air inlet of the fan assembly is opposite to the BOOST inductance assembly and the power unit assembly.

[0016] Further, the cabinet body comprises a cabinet door, the inner side of the cabinet door is provided with a lightning protection function module for preventing lightning interference, and the lightning protection function module is connected with the unit control module and the bypass module through a cable.

[0017] Further, the unit control module and the bypass module are connected with the inner wall of the cabinet body through bolts.

[0018] Compared with the prior art, the utility model discloses the following beneficial effects:

[0019] The heat dissipation path of the electronic device to be cooled is three-dimensional, the air duct path of the fan assembly passes through the BOOST inductor assembly and the power unit assembly in sequence, the heat dissipation layout is reasonable, the air duct flow resistance in the heat dissipation path process of the main power device is effectively reduced, the heat dissipation efficiency of the device is improved, the energy density is improved, the device power is doubled under the condition that the weight of the device is unchanged, the three-phase voltage quality at the end of the transformer area power grid can be effectively improved, and the voltage improvement demand of the group with large load is better met.

[0020] The utility model discloses still adopt various means to promote the heat dissipation level of heat dissipation component itself, such as the heat dissipation position of power device is laid on the heat dissipation substrate, the magnetic core and winding structure are exposed to the air of the air duct of fan assembly, the thyristor component is arranged on the inductor assembly support of metal material, the winding part of differential mode filter inductor is filled with filling material, and the bottom is connected with PCB board, and the top is connected with the shell cover plate through the heat dissipation material and forms the heat dissipation path of three-dimensional up and down, further improve the heat dissipation effect of device, effectively reach the design goal of device volume power density promotion.

[0021] The utility model discloses the connection of unit control module and bypass module is equipped with insulating material, such as insulating seal plate, insulating paper etc., and is provided with the slot, is convenient for dismounting and avoids the possibility of high voltage live body, dismounting equipment, person, low voltage to form the loop in the dismounting process, realizes the function of live dismounting under the reduction of protection cost in advance. ACCURACY OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the transformer area voltage optimization device in one embodiment of the utility model;

[0023] Figure 2 It is a structural schematic view of the unit control module of the transformer area voltage optimization device in one embodiment of the utility model;

[0024] Figure 3 It is an internal structure schematic view of the unit control module of the transformer area voltage optimization device in one embodiment of the utility model;

[0025] Figure 4 It is a structural schematic view of the power unit assembly of the transformer area voltage optimization device in one embodiment of the utility model;

[0026] Figure 5 It is a structural schematic view of the thyristor component and BOOST inductor assembly of the transformer area voltage optimization device in one embodiment of the utility model;

[0027] In the figure: 1-unit control module, 11-housing assembly, 111-housing cover plate, 112-insulating cover plate, 12-input and output busbar, 13-power unit assembly, 131-driving board assembly, 132-tooth-shaped radiator, 133-power device, 134-driving board card, 14-filtering assembly, 15-BOOST inductance assembly, 151-inductance assembly support, 152-inductance component, 1521-magnetic core, 1522-winding structure, 16-thyristor assembly, 17-fan assembly, 18-power supply assembly, 19-control board assembly, 2-bypass module, 21-insulating paper, 22-acrylic protective plate, 221-slot, 3-lightning protection function module, 4-cabinet body. DETAILED DESCRIPTION

[0028] The utility model will be further described below with reference to the drawings. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model. Example 1

[0029] As Figure 1 shown, the utility model embodiment provides a transformer area voltage optimization device, including cabinet body 4, cabinet body 4 whole presents cuboid, and is equipped with the cabinet door that can open and close. The cavity is set up in cabinet body 4, the cavity can be divided into upper half and lower half, unit control module 1 is set up in the upper half, bypass module 2 is set up in the lower half. In this embodiment, unit control module 1 and bypass module 2 are connected with the inner wall of cabinet body 4 through bolt.

[0030] Unit control module 1 includes housing assembly 11 and the input and output busbar 12 arranged in housing assembly 11, housing assembly 11 is connected with the inner wall of cabinet body 4 through bolt, and unit control module 1 and bypass module 2 are connected to form a loop through the input and output busbar 12. Unit control module 1 further includes power unit assembly 13, filtering assembly 14, BOOST inductance assembly 15, thyristor assembly 16, fan assembly 17, power supply assembly 18 and control board assembly 19.

[0031] The connection relationship between each component specifically includes: the input and output busbar 12 is connected with the thyristor assembly 16, and the side edge of the filtering assembly 14 is also connected with the input and output busbar 12 through the terminal. BOOST inductance assembly 15 is provided with a lead wire and a lead-out wire, the lead wire is connected with the filtering assembly 14, and the lead-out wire is bolted with the power unit assembly 13. The filtering assembly 14 is arranged above the power unit assembly 13 and the BOOST inductance assembly 15. The control board assembly 19 is plug-in connected with the power unit assembly 13, the power supply assembly 18 is connected with the control board assembly 19 and the filtering assembly 14, and the power supply assembly 18 can convert into low-voltage direct-current power supply to provide energy support for the control board assembly 19 after taking power from the filtering assembly 14.

[0032] The power unit assembly 13, the BOOST inductance assembly 15 and the fan assembly 17 are arranged in the same layer, and the air outlet of the fan assembly 17 directly faces the power unit assembly 13 and the BOOST inductance assembly 15, so as to realize the stereoscopicization of the heat dissipation path of the electronic devices needing heat dissipation.

[0033] The power unit assembly 13 comprises a driving board assembly 131 and a tooth-shaped radiator 132, the driving board assembly 131 comprises a power device 133 and a driving board card 134, the driving board card 134 is connected with the signal pin of the power device 133 to interact driving and control signals, and the power device 133 in the embodiment is an IGBT or SiC MOSFET. The tooth-shaped radiator 132 is provided with a heat dissipation base plate at the upper portion, and the heat dissipation position of the power device 132 is laid flat on the plane of the heat dissipation base plate to conduct the heat generated in the working process of the power device 133.

[0034] As shown in Figure 5 The BOOST inductance assembly 15 comprises an inductance assembly support 151 and an inductance element 152, the inductance element 152 is fixedly sunk on the inductance assembly support 151, the inductance element 152 comprises a magnetic core 1521 and a winding structure 1522, the magnetic core 1521 and the winding structure 1522 are exposed to the air in the air duct, so that the air outlet of the fan assembly 17 directly faces the BOOST inductance assembly 15 and the tooth-shaped radiator 132, and the air duct path sequentially passes through the inductance assembly support 151, the magnetic core 1521, the winding structure 1522 and the tooth-shaped radiator 132, so as to effectively reduce the air duct flow resistance in the heat dissipation path of the main power device.

[0035] The thyristor assembly 16 is fixed on the inductance assembly support 151, in the embodiment, the inductance assembly support 151 adopts a metal piece with high thermal coefficient, generally copper or aluminum, so that the thyristor assembly 16 can directly utilize the inductance assembly support 151 for heat dissipation.

[0036] The shell assembly 11 comprises a shell cover plate 111, the filter assembly 14 comprises a differential mode filter inductance and a PCB board, the winding part of the differential mode filter inductance is filled with a filling material, and the bottom is connected with the PCB board, and the top is connected with the shell cover plate 111 through the setting of a heat dissipation material, so as to form an overall three-dimensional heat dissipation path from top to bottom, which can effectively increase the heat dissipation effect of the differential mode filter inductance. Embodiment 2

[0037] On the basis of embodiment 1, the unit control module 1 is provided with an insulating cover plate 112 at the bottom, the bypass module 2 is arranged in the lower half through a mounting bracket, the mounting bracket is provided with an insulating paper 21 at the bottom and an acrylic protective plate 22 at the front, the acrylic protective plate 22 is provided with a slot 221 at the position where the bypass module 2 is connected with the unit control module 1, the slot 221 is selected as a square in this embodiment, and the size is appropriate, so that the installation and maintenance operation of the connection position is facilitated. The insulating cover plate 112, the insulating paper 21 and the acrylic protective plate 22 jointly form a protective working environment, so that the possibility of forming a loop by the high-voltage live body, disassembled equipment, people and low-voltage ground in the disassembly process is avoided.

[0038] The cabinet body 4 comprises cabinet doors, and the inner side of the cabinet doors is further provided with a lightning protection function module 3 for preventing lightning interference; the lightning protection function module 3 is connected with the unit control module 1 and the bypass module 2 through a cable.

[0039] The device equipment whole energy density is improved through the reasonable heat dissipation layout and the multi-channel heat dissipation path design, the device power is doubled under the condition that the equipment weight is unchanged, the device has the advantages of simple structure, low assembly and transportation cost, large volume power, and the like, and the voltage improvement demand of the industrial and civil groups with large load can be better met.

[0040] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled personnel in the technical field, several improvements and deformations can be made without departing from the technical principle of the utility model, and these improvements and deformations should also be regarded as the protection range of the utility model.

Claims

1. A substation voltage optimization device, characterized by, The cabinet body is internally provided with a cavity, which is divided into an upper half and a lower half, the upper half is internally provided with a unit control module, and the lower half is internally provided with a bypass module; The unit control module comprises a shell assembly and an input-output busbar arranged in the shell assembly, the input-output busbar is connected with the bypass module, a thyristor assembly and a filter assembly respectively, and the filter assembly is connected with a power unit assembly; The power unit assembly, a BOOST inductor assembly and a fan assembly are arranged in the same layer, the fan assembly is used for heat dissipation of the BOOST inductor assembly and the power unit assembly, the BOOST inductor assembly is provided with a lead wire and a lead-out wire, the lead wire is connected with the filter assembly, and the lead-out wire is connected with the power unit assembly.

2. The apparatus for optimizing the voltage of a transformer district according to claim 1, characterized by, The power unit assembly comprises a driving board assembly and a tooth-shaped radiator, the driving board assembly comprises a power device and a driving board card connected with a signal pin of the power device, and the tooth-shaped radiator is provided with a heat dissipation base plate at the upper portion, and a heat dissipation position of the power device is laid on the heat dissipation base plate.

3. The apparatus for optimizing the voltage of a transformer district according to claim 1, characterized by, The BOOST inductor assembly comprises an inductor assembly support and an inductor component, the inductor component is embedded on the inductor assembly support, the inductor component comprises a magnetic core and a winding structure, and the magnetic core and the winding structure are exposed to air in an air duct of the fan assembly.

4. The apparatus for optimizing the voltage of a transformer district according to claim 3, wherein The thyristor assembly is arranged on the inductor assembly support, the inductor assembly support is made of metal material, so that the thyristor assembly can be cooled by the inductor assembly support.

5. The apparatus for optimizing the voltage of a transformer district according to claim 1, wherein The unit control module further comprises a power supply assembly and a control board assembly, the control board assembly is connected with the power unit assembly through a plug-in, and the power supply assembly is connected with the filter assembly and the control board assembly, the power supply assembly can convert low-voltage direct-current power into energy support for the control board assembly after taking power from the filter assembly.

6. The apparatus for optimizing voltage of a transformer district according to claim 1, wherein The filter assembly is arranged above the BOOST inductor assembly and the power unit assembly, the shell assembly comprises a shell cover plate, the filter assembly comprises a differential mode filter inductor and a PCB board, a winding part of the differential mode filter inductor is filled with a filling material, the bottom part is connected with the PCB board, and the top part is connected with the shell cover plate through a heat dissipation material.

7. The apparatus for optimizing voltage of a transformer district according to claim 1, wherein The unit control module is provided with an insulating sealing plate at the bottom, the bypass module is arranged in the lower half through a mounting bracket, the mounting bracket is provided with insulating paper at the bottom and an acrylic protective plate at the front, the acrylic protective plate is provided with a slot at a connection position of the bypass module and the unit control module, and the slot is used for providing an operation space for maintenance and installation.

8. The apparatus for optimizing voltage of a transformer district according to claim 1, wherein Air outlets of the fan assembly are opposite to the BOOST inductor assembly and the power unit assembly.

9. The apparatus for optimizing voltage of a transformer district according to claim 1, wherein The cabinet body comprises a cabinet door, an anti-lightning function module for preventing lightning interference is arranged on the inner side of the cabinet door, and the anti-lightning function module is connected with the unit control module and the bypass module through a cable.

10. The apparatus for optimizing voltage of a transformer district according to claim 1, wherein The unit control module and the bypass module are connected with the inner wall of the cabinet body through bolts.

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