CN218301007U - AC-DC integrated power supply - Google Patents
AC-DC integrated power supply Download PDFInfo
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- CN218301007U CN218301007U CN202222331684.6U CN202222331684U CN218301007U CN 218301007 U CN218301007 U CN 218301007U CN 202222331684 U CN202222331684 U CN 202222331684U CN 218301007 U CN218301007 U CN 218301007U
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- alternating current
- direct current
- busbar
- power supply
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Abstract
The utility model discloses an alternating current-direct current integration power belongs to the power supply and distribution field, and it is many to have solved the equipment block terminal of current interchange and the direct current comprehensive power supply, the distribution is loaded down with trivial details to and the problem of voltage fluctuation. The utility model discloses a block terminal, be equipped with total direct current busbar in the block terminal, divide the direct current busbar, the alternating current busbar, rectifier and dc-to-ac converter, total direct current busbar passes through alternating current power cord and connects alternating current power supply, be equipped with the rectifier on the alternating current power cord, total direct current busbar passes through battery cable junction battery, total direct current busbar passes through alternating current distribution cable junction alternating current busbar, be equipped with the dc-to-ac converter on the alternating current distribution cable, total direct current busbar passes through direct current distribution cable junction branch direct current busbar, be connected with a plurality of alternating current branch lines on the alternating current busbar, be connected with a plurality of direct current branch lines on the branch direct current busbar. The utility model discloses with the integration of alternating current-direct current voltage in a block terminal, simple, reliable, safety. The alternating current power supply is rectified and then inverted, and the voltage is more stable.
Description
Technical Field
The utility model belongs to the power supply and distribution field, concretely relates to alternating current-direct current integration power.
Background
Place such as utility tunnel monitored control system, wisdom street lamp have a lot of equipment that need exchange and DC power supply. The traditional method is to distribute power for alternating current equipment and direct current equipment respectively, and the distribution is loaded down with trivial details, and the block terminal is many, if need power supply reliability high, still will add UPS, then loaded down with trivial details more. For weak current ac equipment, direct power supply has a great influence on its life and function due to voltage fluctuations.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an alternating current-direct current integration power to solve the equipment block terminal of current interchange and the direct current comprehensive power supply many, the distribution is loaded down with trivial details, and the problem of voltage fluctuation.
The technical scheme of the utility model is that: the utility model provides an alternating current-direct current integration power, including the block terminal, be equipped with total DC busbar in the block terminal, divide the DC busbar, the AC busbar, rectifier and dc-to-ac converter, total DC busbar passes through AC power cord and connects AC power supply, be equipped with the rectifier on the AC power cord, total DC busbar passes through battery cable junction battery, total DC busbar passes through AC distribution cable and connects the AC busbar, be equipped with the dc-to-ac converter on the AC distribution cable, total DC busbar passes through DC distribution cable junction branch DC busbar, be connected with a plurality of AC branch lines on the AC busbar, be connected with a plurality of DC branch lines on the branch DC busbar.
As a further improvement of the utility model, an AC power supply circuit breaker is arranged on the AC power line.
As a further improvement, the storage battery cable is provided with a storage battery breaker.
As a further improvement of the utility model, an alternating current distribution circuit breaker is arranged on the alternating current distribution cable.
As a further improvement, the AC branch line is provided with an AC branch circuit breaker.
As a further improvement of the utility model, the direct current branch line is provided with a direct current branch circuit breaker.
The utility model has the advantages that: the utility model discloses with the integration of alternating current-direct current voltage in a block terminal, make the equipment distribution system modularization that needs interchange and direct current distribution simultaneously, simple, reliable, safety. Alternating current provided by an alternating current power supply is converted into direct current after passing through a rectifier and is connected to a total direct current bus, the total direct current bus is connected to three feeders, and one feeder is connected to an inverter to invert the direct current into alternating current and supply power to alternating current equipment; one path directly supplies power to direct current equipment; one path is connected to a storage battery to charge the storage battery. When the alternating current power supply fails to supply power, the storage battery discharges to replace the alternating current power supply passing through the rectifier to supply power for the alternating current equipment and the direct current equipment. For alternating current equipment, an alternating current power supply is rectified and then inverted, the voltage is more stable, the alternating current equipment with weak current is more friendly, the normal work of the alternating current equipment is guaranteed, and the service life of the equipment is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a distribution box; 2-a storage battery; 3-an alternating current power line; 4-a rectifier; 5-an inverter; 6-total dc bus; 7-a direct current bus; 8-AC bus; 9-ac distribution cables; 10-direct current distribution cables; 11-a battery cable; 12-a battery breaker; 13-ac supply circuit breaker; 14-an alternating current power supply; 15-AC branch line; 16-a dc branch; 17-ac distribution circuit breaker; 18-ac branch breakers; 19-direct current branch breaker.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an ac-dc integrated power supply, including distribution box 1, be equipped with total dc bus 6 in distribution box 1, divide dc bus 7, ac bus 8, rectifier 4 and inverter 5, total dc bus 6 passes through ac power cord 3 and connects ac power source 14, be equipped with rectifier 4 on the ac power cord 3, total dc bus 6 passes through battery cable 11 and connects battery 2, battery 2 is established outside distribution box 1, total dc bus 6 passes through ac power distribution cable 9 and connects ac bus 8, be equipped with inverter 5 on ac power distribution cable 9, total dc bus 6 passes through dc power distribution cable 10 and connects branch dc bus 7, be connected with a plurality of ac branch lines 15 on the ac power bus 8, be connected with a plurality of dc branch lines 16 on the branch dc bus 7. The number of ac branch lines 15 and dc branch lines 16 is determined by the number of actual devices.
And arranging a breaker on a line needing protection for protection. An alternating current power supply circuit breaker 13 is arranged on the alternating current power supply line 3, and the alternating current power supply circuit breaker 13 is connected in front of the rectifier 4. The battery cable 11 is provided with a battery breaker 12. An ac distribution breaker 17 is provided on the ac distribution cable 9. An ac branch circuit breaker 18 is provided on the ac branch line 15. The dc branch 16 is provided with a dc branch breaker 19.
An alternating current power supply 14 enters the distribution box 1 through an alternating current power line 3, alternating current is converted into direct current after passing through a rectifier 4 and is connected to a total direct current bus bar 6, the total direct current bus bar 6 is connected with three feeder lines, one feeder line is connected to an inverter 5, the direct current is inverted into alternating current, and power is supplied to each alternating current device through an alternating current bus bar 8 and an alternating current branch line 15; one path is directly connected with the main direct current bus bar 6 and supplies power to each direct current device through a direct current branch line 16; one path is connected to the storage battery 2 to charge the storage battery 2.
When the alternating current power supply 14 fails and cannot supply power, the storage battery 2 discharges to replace the alternating current power supply 14 passing through the rectifier to supply power for alternating current equipment and direct current equipment. The capacity of the storage battery 2 is determined according to the power supply demand duration and the device power.
For alternating current equipment, the alternating current power supply 14 is rectified and then inverted, the voltage is more stable, the alternating current equipment with weak current is more friendly, the normal work of the alternating current equipment is guaranteed, and the service life of the equipment is prolonged.
The utility model discloses simple structure, the power supply reliability is high.
Claims (6)
1. An alternating current-direct current integration power supply which characterized in that: including block terminal (1), be equipped with total DC busbar (6) in block terminal (1), divide DC busbar (7), AC busbar (8), rectifier (4) and inverter (5), AC power supply (14) are connected through AC power cord (3) in total DC busbar (6), be equipped with rectifier (4) on AC power cord (3), battery (2) are connected through battery cable (11) in total DC busbar (6), AC busbar (8) are connected through AC distribution cable (9) in total DC busbar (6), be equipped with inverter (5) on AC distribution cable (9), divide DC busbar (7) through DC distribution cable (10) connection in total DC busbar (6), be connected with a plurality of AC branch lines (15) on AC busbar (8), be connected with a plurality of DC branch lines (16) on branch DC busbar (7).
2. The integrated AC/DC power supply of claim 1, wherein: and an alternating current power supply circuit breaker (13) is arranged on the alternating current power line (3).
3. The integrated AC/DC power supply of claim 1, wherein: and a storage battery circuit breaker (12) is arranged on the storage battery cable (11).
4. The integrated AC/DC power supply of claim 1, wherein: and an alternating current distribution circuit breaker (17) is arranged on the alternating current distribution cable (9).
5. The integrated AC/DC power supply of claim 1, wherein: and an alternating current branch circuit breaker (18) is arranged on the alternating current branch line (15).
6. The integrated AC/DC power supply of claim 1, wherein: the direct current branch (16) is provided with a direct current branch breaker (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331684.6U CN218301007U (en) | 2022-09-02 | 2022-09-02 | AC-DC integrated power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331684.6U CN218301007U (en) | 2022-09-02 | 2022-09-02 | AC-DC integrated power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301007U true CN218301007U (en) | 2023-01-13 |
Family
ID=84811336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222331684.6U Active CN218301007U (en) | 2022-09-02 | 2022-09-02 | AC-DC integrated power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218301007U (en) |
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2022
- 2022-09-02 CN CN202222331684.6U patent/CN218301007U/en active Active
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