CN219875194U - UPS power supply device for preventing equipment power consumption from being excessively high in zero ground voltage - Google Patents
UPS power supply device for preventing equipment power consumption from being excessively high in zero ground voltage Download PDFInfo
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- CN219875194U CN219875194U CN202320848696.8U CN202320848696U CN219875194U CN 219875194 U CN219875194 U CN 219875194U CN 202320848696 U CN202320848696 U CN 202320848696U CN 219875194 U CN219875194 U CN 219875194U
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Abstract
The utility model discloses a UPS power supply device for preventing equipment power consumption from being excessively high in zero ground voltage, which comprises a UPS power supply box, an AC converter, a DC converter, a live wire shielding cover, a zero wire shielding cover, a standby storage battery, a grounding connector seat and a control board, wherein the AC converter, the DC converter, the live wire shielding cover, the zero wire shielding cover, the standby storage battery, the grounding connector seat and the control board are arranged in the box, an external storage battery socket is arranged on the side wall of the UPS power supply box, the output end of the standby storage battery and a wiring of the external storage battery socket are connected with the input end of the DC converter through an electric control conversion unit, a zero wire in the zero wire shielding cover is connected with the grounding connector seat, a voltage sampler is arranged on a commercial power access wire, a first electric control switch is arranged on a live wire, and a second electric control switch is arranged on a live wire of the output end of the DC converter. The utility model shields and protects the live wire and the zero wire output by the AC converter and the DC converter, prevents the zero ground voltage from being higher due to interference, and connects a plurality of grounding wires to the zero wire in the zero wire shielding cover to realize voltage reduction, thereby ensuring that the zero wire voltage output from the zero wire shielding cover is close to zero.
Description
Technical Field
The utility model relates to the technical field of UPS power supplies, in particular to a UPS power supply device for preventing equipment power consumption from being excessively high in zero ground voltage.
Background
With the development of computer technology, the working voltage of the internal chip of the computer is lower and lower, and the energy consumption is lower and lower. In order for the server to work normally, the novel server puts higher requirements on the zero ground voltage output by the UPS. Because the UPS can measure an ac voltage between the neutral line and the ground line during operation, the voltage may be higher than 100V depending on the UPS, and this problem may cause serious damage to the load. Generally, the voltage higher than 2V affects equipment or electric appliances, so that the voltage on the zero ground in the UPS needs to be eliminated and reduced to be lower than 1V or close to 0V, and the voltage of the zero line needs to be reduced in the UPS power supply device to achieve that the voltage output by the zero line is close to zero.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present utility model is to provide a UPS power source device for preventing the zero ground voltage of the power consumption of the device from being too high, which solves the problem that the UPS power source cannot ensure that the voltage on the zero line of the output is close to zero or the zero ground voltage is too high.
The utility model provides a UPS power supply device for preventing equipment from using excessive ground voltage, which comprises a UPS power supply box, an AC converter, a DC converter, a live wire shielding cover, a zero wire shielding cover, a standby storage battery, a grounding connector seat and a control board, wherein the AC converter, the DC converter, the live wire shielding cover, the zero wire shielding cover, the standby storage battery, the grounding connector seat and the control board are arranged in the box.
In some embodiments of the utility model, a capacitor is provided on the line of the output of the AC converter.
In other embodiments of the present utility model, three ground connectors are disposed in the ground connector base, and the three ground connectors are respectively connected to the zero line of the output end of the AC converter, the zero line of the output end of the DC converter, and both the zero lines.
In other embodiments of the present utility model, a low voltage detector is disposed at an inner position of the zero line at the output end of the AC converter and the zero line at the output end of the DC converter in the zero line shielding cover, the low voltage detector is electrically connected to the control board, and a low voltage display for displaying the voltage detected by the low voltage detector is disposed on the outer wall of the UPS power box, and the low voltage display is electrically connected to the control board.
In other embodiments of the present utility model, the electronic control conversion unit includes a third electronic control switch and a fourth electronic control switch, the output end of the backup battery is provided with the third electronic control switch, the wiring of the external battery socket is provided with the fourth electronic control switch, and the output end connection wires of the third electronic control switch and the fourth electronic control switch are connected in parallel and then connected with the input end connection wire of the DC converter.
In other embodiments of the present utility model, the live and neutral shields are metallic shields and the inner and outer surfaces of the metallic shields are coated with an insulating paint.
In the utility model, the live wire and the zero wire output by the AC converter and the DC converter are shielded and protected, the zero ground voltage is prevented from being higher due to interference, and the zero wire in the zero wire shielding cover is connected with a plurality of grounding wires to realize voltage reduction, so that the zero wire voltage output from the zero wire shielding cover is ensured to be close to zero.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic perspective view of a UPS power supply apparatus for preventing the power consumption of a device from being too high.
Fig. 2 is a schematic diagram illustrating an internal cross-sectional structure of a UPS power supply apparatus for preventing the power consumption of a device from being too high.
Fig. 3 is a schematic structural diagram of an electronically controlled switching unit according to the present utility model.
In the figure: 1. a UPS power box; 11. a mains supply access line; 111. a voltage sampler; 112. a first electrically controlled switch; 12. UPS power output line; 2. externally connecting a storage battery socket; 20. an electric control conversion unit; 201. a third electrically controlled switch; 202. a fourth electronically controlled switch; 3. a grounding connector seat; 4. a low voltage display; 5. an AC converter; 51. a capacitor; 6. a DC converter; 7. a fire wire shield; 8. a zero line shield; 80. a low voltage detector; 9. a control board; 10. and (5) a storage battery is reserved.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Referring to fig. 1-3, a UPS power supply device for preventing the equipment from having excessively high ground voltage comprises a UPS power supply box 1, an AC converter 5 and a DC converter 6 which are arranged in the box, a live wire shielding cover 7 and a zero line shielding cover 8, a standby battery 10, a ground connector base 3 and a control board 9, wherein one side of the UPS power supply box 1 is connected with a mains supply access line 11, the other side of the UPS power supply box is provided with a UPS power output line 12, the mains supply access line 11 is connected to the input end of the AC converter 5, the side wall of the UPS power supply box 1 is provided with an external battery socket 2, the output end of the standby battery 10 and the wiring of the external battery socket 2 are connected with the input end of the DC converter 6 through an electric control conversion unit 20, the live wires of the AC converter 5 and the output end of the DC converter 6 are connected to the live wire shielding cover 7 and connected with each other, the zero line is connected to the zero line shielding cover 8 and connected with each other, the live wire and the zero line after the live wire shielding cover 7 and the zero line shielding cover 8 are connected with each other to the UPS power output line 12, the ground connector 11 is connected with the electric control board 12, the electric control board is provided with a first electric control switch and a second electric control unit 61, and a second electric control unit 111 is connected with the live wire 11 and a second electric control unit 61, and a fourth electric control unit is connected with the electric control unit 111.
The mains supply is sometimes unstable, and for UPS power supplies, backup batteries or external batteries, the supply can continue for a period of time after the mains supply is powered off, so that maintenance personnel have time to maintain the equipment without disconnecting the power supply to the equipment. However, the zero line in the UPS power source has high voltage (generally higher than 2V) and affects the electric equipment. Therefore, the shield cover is adopted to shield and protect the live wire and the zero line separately, the zero line cannot be affected by electric arcs and the like to boost, in addition, when the grounding is insensitive, the phenomenon of boosting can occur, a plurality of grounding connectors are designed to be connected with the zero line so as to ensure that the grounding wire cannot be abnormal, and the low-voltage state of the zero line is ensured, which is generally lower than 1V or close to zero.
The voltage sampler 111 collects the voltage in real time, if an abnormality occurs, the switch of the first electric control switch 112 is turned off, and meanwhile, the second electric control switch 61 and the electric control conversion unit 20 are turned on, so that the power supply of the standby storage battery 10 is ensured, and if an external storage battery is connected, the standby storage battery 10 is turned off, and the external storage battery is used for power supply.
A capacitor 51 is provided on the line at the output of the AC-converter 5. The capacitor 51 can also provide short power supply (0.1-0.3 seconds) when the first electric control switch 112 is turned off, and the control board can timely react to turn on the second electric control switch 61 and the electric control conversion unit 20 to supply power, so that no power supply gap can occur.
Three grounding connectors are arranged in the grounding connector base 3 and are respectively connected with the zero line of the output end of the AC converter 5, the zero line of the output end of the DC converter 6 and the two zero lines.
Three grounding wires are used for reducing voltage, so that one grounding wire is ensured to be abnormal, and the three grounding wires are inserted into different ground positions, so that the grounding effect is greatly improved.
The zero line of AC converter 5 output and the zero line of DC converter 6 output are equipped with low voltage detector 80 in zero line shield cover 8 looks position, low voltage detector 80 and control panel 9 electric connection, be equipped with the low voltage display 4 that is used for showing low voltage detector 80 and detects the voltage on the UPS power pack 1 outer wall, low voltage display 4 and control panel 9 electric connection.
The staff can see the low voltage on the zero line in real time, and if the ground wire can not reduce the zero line voltage, the staff will carry out rectification or maintenance.
The electronic control conversion unit 20 comprises a third electronic control switch 201 and a fourth electronic control switch 202, the output end of the standby storage battery 10 is provided with the third electronic control switch 201, the wiring of the external storage battery socket 2 is provided with the fourth electronic control switch 202, and the output end wiring of the third electronic control switch 201 and the output end wiring of the fourth electronic control switch 202 are connected in parallel and then connected with the input end wiring of the DC converter 6.
If no external storage battery is supplied, the third electric control switch 201 is turned on, and the fourth electric control switch 202 is turned off. Conversely, the third electronically controlled switch 201 is turned off and the fourth electronically controlled switch 202 is turned on. The third electric control switch 201 and the fourth electric control switch 202 are provided with a voltage detection and control board 9 for judging which electric control switch is started.
The live wire shielding case 7 and the zero wire shielding case 8 are metal covers, and the inner surface and the outer surface of each metal cover are coated with insulating paint.
The connected live wire and zero wire cannot conduct electricity with the metal cover, and the metal cover can also shield interference such as electric arcs.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A UPS power supply apparatus for preventing an excessive zero ground voltage for equipment use, characterized in that: the UPS power supply box comprises a UPS power supply box (1), an AC converter (5) and a DC converter (6) which are arranged in the box, a live wire shielding cover (7) and a zero wire shielding cover (8), a standby storage battery (10), a grounding connector seat (3) and a control board (9), wherein one side of the UPS power supply box (1) is connected with a mains supply access wire (11), the other side of the UPS power supply box is provided with a UPS power output wire (12), the mains supply access wire (11) is connected to the input end of the AC converter (5), an external storage battery socket (2) is arranged on the side wall of the UPS power supply box (1), the output end of the standby storage battery (10) and the wiring of the external storage battery socket (2) are connected with the input end of the DC converter (6) through an electric control conversion unit (20), the live wires of the AC converter (5) and the output end of the DC converter (6) are connected to the live wire shielding cover (7) and connected with the zero wire shielding cover (8), the live wire and the zero wire is connected to the zero wire shielding cover (8) and the power supply output wire (12), the shielding cover (7) and the zero wire shielding cover (8) are connected with the live wire and the power supply wire (12) respectively, the live wire (11) is connected with the live wire and the power supply wire (11), the live wire of the output end of the DC converter (6) is provided with a second electric control switch (61), and the electric control conversion unit (20), the voltage sampler (111), the first electric control switch (112) and the second electric control switch (61) are electrically connected with the control board (9).
2. A UPS power supply apparatus for preventing an excessive zero ground voltage for equipment as claimed in claim 1, wherein: a capacitor (51) is arranged on the circuit of the output end of the AC converter (5).
3. A UPS power supply apparatus for preventing an excessive zero ground voltage for equipment as claimed in claim 1, wherein: three grounding connectors are arranged in the grounding connector base (3), and are respectively connected with the zero line of the output end of the AC converter (5), the zero line of the output end of the DC converter (6) and the two zero lines.
4. A UPS power supply apparatus for preventing an excessive zero ground voltage for equipment as claimed in claim 1, wherein: the zero line of AC converter (5) output and DC converter (6) output are equipped with low voltage detector (80) in zero line shield cover (8) looks position, low voltage detector (80) and control panel (9) electric connection, be equipped with on UPS power pack (1) outer wall and be used for showing low voltage display (4) that low voltage detector (80) detected voltage, low voltage display (4) and control panel (9) electric connection.
5. A UPS power supply apparatus for preventing an excessive zero ground voltage for equipment as claimed in claim 1, wherein: the electric control conversion unit (20) comprises a third electric control switch (201) and a fourth electric control switch (202), the output end of the standby storage battery (10) is provided with the third electric control switch (201), the wiring of the external storage battery socket (2) is provided with the fourth electric control switch (202), and the output end wiring of the third electric control switch (201) and the output end wiring of the fourth electric control switch (202) are connected in parallel and then connected with the input end wiring of the DC converter (6).
6. A UPS power supply apparatus for preventing an excessive zero ground voltage for equipment as claimed in claim 1, wherein: the live wire shielding cover (7) and the zero wire shielding cover (8) are metal covers, and the inner surface and the outer surface of each metal cover are coated with insulating paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320848696.8U CN219875194U (en) | 2023-04-14 | 2023-04-14 | UPS power supply device for preventing equipment power consumption from being excessively high in zero ground voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320848696.8U CN219875194U (en) | 2023-04-14 | 2023-04-14 | UPS power supply device for preventing equipment power consumption from being excessively high in zero ground voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219875194U true CN219875194U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320848696.8U Active CN219875194U (en) | 2023-04-14 | 2023-04-14 | UPS power supply device for preventing equipment power consumption from being excessively high in zero ground voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219875194U (en) |
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2023
- 2023-04-14 CN CN202320848696.8U patent/CN219875194U/en active Active
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