CN215580507U

CN215580507U - Low-voltage HD-UPS power supply stabilizing device

Info

Publication number: CN215580507U
Application number: CN202121270690.4U
Authority: CN
Inventors: 葛峰; 赵忠; 陈圆弟
Original assignee: Huaibei Mining Co Ltd
Current assignee: Huaibei Mining Co Ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-18
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a low-voltage HD-UPS power supply stabilizing device which comprises a microprocessor control center, a main electric output unit, a battery output unit, a bypass output unit, a rectifier, an inverter, a static switch and an AC contactor control loop, wherein the microprocessor control center is respectively connected with the main electric output unit, the battery output unit, the bypass output unit, the rectifier, the inverter and the AC contactor control loop through lines, the main electric output unit is connected with the rectifier through the lines, and the rectifier is respectively connected with the battery output unit and the inverter through the lines. The power stabilizing device mainly brings the original uninterrupted power supply for the control loop power supply into the body, thereby ensuring that the contactor of the load equipment is not disconnected after the low-voltage power supply system is subjected to power interference, and effectively eliminating the unplanned parking caused by the power interference of the low-voltage power supply system. The normal operation of the unit is ensured to the maximum extent, and the safe and stable production of the methanol device is ensured.

Description

Low-voltage HD-UPS power supply stabilizing device

Technical Field

The utility model relates to the technical field of power supply stabilizing equipment, in particular to a low-voltage HD-UPS power supply stabilizing device.

Background

Methanol is also called hydroxymethane, is an organic compound, is used for manufacturing formaldehyde, pesticides and the like, is used as an extracting agent of organic matters, a denaturant of alcohol and the like, and is generally a tank device and is transmitted by a transmission vehicle body in the production process of the methanol, so that the connection of the processing flow is realized.

At present, the influence of the restriction of a power supply system on the running of a vehicle body of a methanol device is large, and the main reason is that the voltage of an external power supply grid fluctuates (less than 1S), so that the electricity interference of a low-voltage power supply system is caused, the automatic tripping of a control element alternating current contactor of key equipment is realized, the equipment is stopped to run, so that the device is interlocked and stopped, the system is stopped to seriously influence the methanol processing process, the economic loss is caused, and meanwhile, the frequent low-voltage power supply electricity interference becomes a great hidden danger restricting the safe and stable running of the methanol device. For this reason, a corresponding technical scheme needs to be designed for solution.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a low-voltage HD-UPS power supply stabilizing device, which solves the problem that the electricity interference of a low-voltage power supply system affects the production of methanol.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the embodiment of the utility model provides a low-voltage HD-UPS power supply stabilizing device, which adopts the technical scheme that: a low-voltage HD-UPS power stabilizing device comprises a microprocessor control center, a main electric output unit, a battery output unit, a bypass output unit, a rectifier, an inverter, a static switch and an AC contactor control loop, the microprocessor control center is respectively connected with the main power output unit, the battery output unit, the bypass output unit, the rectifier, the inverter and the control loop of the alternating current contactor through lines, the main electric output unit is connected with a rectifier through a line, the rectifier is respectively connected with the battery output unit and the inverter through lines, the inverter is connected with a static switch through a line, the static switch is connected with a control loop of the alternating current contactor through a line, and a first branch and a second branch are arranged on the connecting end of the bypass output unit, the first branch is connected with the static switch, and the second branch is connected with the control loop of the alternating current contactor.

Preferably, a communication unit and a display unit are arranged in the microprocessor control center.

Preferably, output switches are arranged at the output end of the main electric output unit, the output end of the battery output unit, the output end of the first branch circuit, the output end of the second branch circuit and the connecting end of the static switch and the alternating current contactor control loop.

Preferably, the first branch connected with the bypass output unit is an automatic bypass, and the second branch connected with the bypass output unit is a manual maintenance bypass.

Preferably, the main electrical output unit is connected with a mains supply, and a current filter is arranged in the main electrical output unit.

(III) advantageous effects

This power stabilising arrangement mainly takes the body original control circuit uninterrupted power source for the power to ensure that the low pressure power supply system appears shaking the electricity after, load equipment's contactor does not break off, and equipment direct operation after the commercial power resumes, this mode, the effectual unplanned parking that eliminates low pressure power consumption system and shake the electricity and cause. The normal operation of the unit is ensured to the maximum extent, and the safe and stable production of the methanol device is ensured.

Drawings

FIG. 1 is a schematic circuit diagram of the present invention.

In the figure, 1-microprocessor control center, 2-main electrical output unit, 3-battery output unit, 4-bypass output unit, 5-rectifier, 6-inverter, 7-static switch, 8-alternating current contactor control loop, 9-communication unit, 10-display unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a technical solution: a low-voltage HD-UPS power stabilizing device comprises a microprocessor control center 1, a main electric output unit 2, a battery output unit 3, a bypass output unit 4, a rectifier 5, an inverter 6, a static switch 7 and an AC contactor control loop 8, wherein the microprocessor control center 1 is respectively connected with the main electric output unit 2, the battery output unit 3, the bypass output unit 4, the rectifier 5, the inverter 6 and the AC contactor control loop 8 through lines, the main electric output unit 2 is connected with the rectifier 5 through a line, the rectifier 5 is respectively connected with the battery output unit 3 and the inverter 6 through a line, the inverter 6 is connected with the static switch 7 through a line, the static switch 7 is connected with the AC contactor control loop 8 through a line, a first branch and a second branch are arranged on the connecting end of the bypass output unit 4, the first branch is connected with a static switch 7, and the second branch is connected with an alternating current contactor control loop 8.

The microprocessor control center 1 is internally provided with a communication unit 9 and a display unit 10, the control equipment of the microprocessor control center 1 mainly adopts a PC (personal computer) or man-machine interaction equipment, and the microprocessor control center 1 mainly realizes the control and monitoring of the whole circuit device.

The output end of the main power output unit 2, the output end of the battery output unit 3, the output end of the first branch, the output end of the second branch and the connecting end of the static switch 7 and the alternating current contactor control circuit 8 are all provided with output switches, and the output end of the main power output unit 2, the output end of the battery output unit 3, the output end of the first branch, the output end of the second branch and the connecting end of the static switch 7 and the alternating current contactor control circuit 8 can be directly controlled through the output switches in an electric power circulation mode.

The first branch circuit connected with the bypass output unit 4 is an automatic bypass circuit, the second branch circuit connected with the bypass output unit 4 is a manual maintenance bypass circuit, the automatic bypass circuit can uninterruptedly convert the load to a bypass alternating current power supply, and the manual maintenance bypass circuit can be manually converted through a UPS.

The main electric output unit 2 is connected with a mains supply, a current filter is arranged in the main electric output unit 2, the current filter can filter out main electric interference, transmission of pure direct current is guaranteed, and the model of the current filter is GL-2060H 2.

The working principle is as follows: the power supply stabilizing device is a low-voltage interference resisting device, is a multi-protection alternating current power supply device, when the main electrical output unit 2 is normally powered, firstly, the current filter in the main electrical output unit 2 rectifies the current into pure direct current to filter the interference in the main electrical output, then, the electric power is stored in the battery of the battery output unit 3, and the electric power is output to other devices while storing the electric power, and when the main power is abnormal, the direct current stored in the storage battery is inverted and output by the rectifier 5 and the inverter 6 to ensure that the alternating current contactor of the load controls the power supply not to be powered off, because the time of the external commercial power is generally not longer than one second, the uninterrupted power supply is set by the microprocessor control center 1 to continuously supply power for two seconds, when the external commercial power is in a state of interference, within two seconds, the main power of the alternating current contactor is in a pull-in state as long as the low voltage returns to normal, and the equipment can directly run.

The utility model comprises a microprocessor control center 1, a main electrical output unit 2, a battery output unit 3, a bypass output unit 4, a rectifier 5, an inverter 6, a static switch 7, an alternating current contactor control loop 8, a communication unit 9 and a display unit 10, wherein the components are all universal standard components or components known by a person skilled in the art, the structure and the principle of the device can be known by technical manuals or conventional experimental methods, the problem solved by the utility model is that the interference of the low-voltage power supply system to the production of methanol is influenced, the power stabilizing device of the utility model mainly uses the uninterrupted power supply for the original control loop power supply, thereby ensuring that the contactor of the load equipment is not disconnected after the interference of the low-voltage power supply system, after the commercial power returns to normal, the equipment directly runs, and by the mode, the unplanned parking caused by the electricity interference of the low-voltage power utilization system is effectively eliminated. The normal operation of the unit is ensured to the maximum extent, and the safe and stable production of the methanol device is ensured.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A low-voltage HD-UPS power stabilizing device is characterized in that: the intelligent power supply system comprises a microprocessor control center (1), a main electric output unit (2), a battery output unit (3), a bypass output unit (4), a rectifier (5), an inverter (6), a static switch (7) and an alternating current contactor control loop (8), wherein the microprocessor control center (1) is respectively connected with the main electric output unit (2), the battery output unit (3), the bypass output unit (4), the rectifier (5), the inverter (6) and the alternating current contactor control loop (8) through lines, the main electric output unit (2) is connected with the rectifier (5) through lines, the rectifier (5) is respectively connected with the battery output unit (3) and the inverter (6) through lines, the inverter (6) is connected with the static switch (7) through lines, and the static switch (7) is connected with the alternating current contactor control loop (8) through lines, and a first branch circuit and a second branch circuit are arranged on the connecting end of the bypass output unit (4), the first branch circuit is connected with the static switch (7), and the second branch circuit is connected with the alternating current contactor control loop (8).

2. A low-voltage HD-UPS power stabilizing device according to claim 1, wherein: and a communication unit (9) and a display unit (10) are arranged in the microprocessor control center (1).

3. A low-voltage HD-UPS power stabilizing device according to claim 1, wherein: and output switches are arranged at the output end of the main electric output unit (2), the output end of the battery output unit (3), the output end of the first branch, the output end of the second branch and the connecting end of the static switch (7) and the alternating current contactor control loop (8).

4. A low-voltage HD-UPS power stabilizing device according to claim 1, wherein: the first branch circuit connected with the bypass output unit (4) is an automatic bypass, and the second branch circuit connected with the bypass output unit (4) is a manual maintenance bypass.

5. A low-voltage HD-UPS power stabilizing device according to claim 1, wherein: the main electric output unit (2) is connected with a mains supply, and a current filter is arranged in the main electric output unit (2).