CN207868984U - A kind of crystal growing furnace power supply device - Google Patents

Abstract

The utility model discloses a power supply device for a crystal growth furnace, which comprises a power supply unit box, a partition plate is installed inside the power supply unit box, and the partition plate divides the inner cavity of the power supply unit box into a power supply control room and a power supply element room; the power supply control room is equipped with a switching power supply, a control board and a drive board, and a transformer, a water-cooled radiator, a smoothing reactor and a thyristor rectifier are installed in the power supply component room. The single crystal growth furnace power supply device controls the opening and closing of the driving switching power supply through the control board and the driving board installed in the power supply unit box, and the current passes through the action of various power supply components in the power supply component room, so that the output current is stable and the power quality is high. Thus, a stable and safe power supply is provided for the single crystal growth furnace.

Description

A power supply device for a crystal growth furnace

technical field

The utility model relates to the technical field of power supply, in particular to a power supply device for a crystal growth furnace.

Background technique

In order to provide a stable power supply for the single crystal growth furnace, two power cabinets are usually used to supply power for the main heater and auxiliary heating or a DC power supply composed of five unit modules to supply power to the single crystal growth furnace; because the first type occupies The ground area is small, the installation is convenient, and the failure rate of the second type is low, which ensures the safe operation of production; therefore, users can choose two power supply methods according to their needs; but the power quality of the second type of power supply is low, and the power utilization of The rate cannot meet the user's requirements.

Utility model content

The purpose of the utility model is to provide a power supply device for a crystal growth furnace, which improves the power quality by adding a reactance, so that the utilization rate of power supply is greatly improved, thereby providing a stable power supply for the single crystal growth furnace, and solving the problems in the prior art question.

In order to achieve the above purpose, the utility model provides the following technical solutions: a crystal growth furnace power supply device, including a power supply unit box, the inside of the power supply unit box is installed with a partition plate, and the partition plate divides the inner cavity of the power supply unit box Separated into a power supply control room and a power supply component room; a switching power supply, a control board and a drive board are installed in the power control room, and a transformer, a water-cooled radiator, a smoothing reactor and a thyristor rectifier are installed in the power supply component room; the upper end of the transformer A current transformer and a fast recovery diode are also provided, the current transformer is installed on the zero row of the transformer, and the fast recovery diode is installed on the output bus of the transformer; the internal test of the water cooling radiator is also provided with an IGBT inverter and an RC resistance-capacity absorber, the IGBT inverter is fixedly installed on the inner wall of the power supply unit box, and the RC resistance-capacity absorber is symmetrically installed at both ends of the IGBT inverter.

Preferably, a transformer of TA300 type is also installed between the transformer and the water-cooled radiator, and the transformer is connected in series on the connecting row of the transformer and the transformer.

Preferably, a smoothing reactor is installed between the smoothing reactor and the thyristor rectifier.

Preferably, an MLC-LS 100UF 400V filter capacitor is installed on the upper end of the smoothing reactor.

Compared with the prior art, the beneficial effects of the utility model are as follows:

The power supply device of the crystal growth furnace controls the opening and closing of the driving switching power supply through the control board and the driving board installed in the power supply unit box, and the current passes through the action of various power supply components in the power supply component room, so that the output current is stable and the power quality is high. Thus, a stable and safe power supply is provided for the single crystal growth furnace.

Description of drawings

Fig. 1 is the internal assembly diagram of the power supply unit box of the present utility model;

Fig. 2 is a front view of the power supply unit box of the present invention.

In the figure: 1 power supply unit box, 2 partition board, 3 power control room, 4 switching power supply, 5 control board, 6 driver board, 7 power supply component room, 8 transformer, 9 water cooling radiator, 10 smoothing reactor (DC Reactor), 11 thyristor rectifier, 12 current transformer, 13 fast recovery diode, 14 IGBT inverter, 15 RC absorber, 16 transformer, 17 smoothing reactance, 18 filter capacitor.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, a crystal growth furnace power supply device, including a power supply unit box 1, a partition plate 2 is installed inside the power supply unit box 1, and the partition plate 2 divides the inner cavity of the power supply unit box 1 into a power supply Control room 3 and power supply element room 7; switching power supply 4, control board 5 and drive board 6 are installed in power control room 3, and the opening and closing of driving switching power supply 4 are controlled by control board 5 and drive board 6; power supply element room 7 A transformer 8, a water-cooled radiator 9, a smoothing reactor 10 and a thyristor rectifier 11 are installed, and a transformer 16 of the TA300 type is installed between the transformer 8 and the water-cooled radiator 9, and the transformer 16 is connected in series between the transformer 8 and the mutual inductor. On the connection row of the device 16, a smoothing reactance 17 is also installed between the surge reactor 10 and the thyristor rectifier 11, and a filter capacitor 18 of MLC-LS 100UF 400V is also installed on the upper end of the smoothing reactor 10; the upper end of the transformer 8 is also installed A current transformer 12 and a fast recovery diode 13 are provided, the current transformer 12 is installed on the zero row of the transformer 8, and the fast recovery diode 13 is installed on the output bus of the transformer 8; the internal test of the water cooling radiator 9 is also provided with an IGBT inverter transformer 14 and RC absorber 15, the IGBT inverter 14 is fixedly installed on the inner wall of the power supply unit box 1, and the RC absorber 15 is symmetrically installed at both ends of the IGBT inverter 14, based on the above power supply elements The output current is stable and the power quality is high, so that the single crystal growth furnace can be supplied with stable and safe power.

The crystal growth furnace power supply device controls the opening and closing of the drive switching power supply 4 through the control board 5 and the drive board 6 installed in the power supply unit box 1, and the current passes through the effects of various power supply elements in the power supply element chamber 7 to make the output current Stable and high power quality, so that the single crystal growth furnace can be supplied with stable and safe power.

To sum up: the crystal growth furnace power supply device improves the power quality through the installed smoothing reactance 17, which greatly improves the power supply utilization rate; based on the functions of various power supply components, it provides a stable power supply for the single crystal growth furnace ; Therefore, the device can provide a reliable, safe and stable power supply to meet the needs of users for high power utilization and high power quality.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. a kind of crystal growing furnace power supply device, including power supply unit case (1), it is characterised in that：Said supply unit case (1) inside is equipped with demarcation strip (2), demarcation strip (2) by the inner cavity of power supply unit case (1) be divided into power control room (3) and Power supply component room (7)；Switching Power Supply (4), control panel (5) and driving plate (6) are installed in the power control room (3), it is described Transformer (8), water-filled radiator (9), smoothing reactor (10) and silicon controlled rectifier are installed in power supply component room (7) (11)；The upper end of transformer (8) is additionally provided with current transformer (12) and fast recovery diode (13), the current transformer (12) it is installed in the zero-emission of transformer (8), the fast recovery diode (13) is installed on the output busbar of transformer (8)； The interior survey of water-filled radiator (9) is additionally provided with IGBT inverters (14) and RC rc absorbers (15), the IGBT inverters (14) it is fixedly installed on the inner wall of power supply unit case (1), the RC rc absorbers (15) are symmetrically arranged on IGBT inverters (14) both ends.

2. a kind of crystal growing furnace power supply device according to claim 1, it is characterised in that：The transformer (8) The mutual inductor (16) of TA300 models is also equipped between water-filled radiator (9), and mutual inductor (16) is serially connected in transformer (8) On the connection row of mutual inductor (16).

3. a kind of crystal growing furnace power supply device according to claim 1, it is characterised in that：The smoothing reactor (10) flat wave reactance (17) is also equipped between silicon controlled rectifier (11).

4. a kind of crystal growing furnace power supply device according to claim 1, it is characterised in that：The smoothing reactor (10) upper end is also equipped with the filter capacitor (18) of MLC-LS 100UF 400V.