CN214380274U - Emergency power supply with rectification redundancy and inversion redundancy - Google Patents
Emergency power supply with rectification redundancy and inversion redundancy Download PDFInfo
- Publication number
- CN214380274U CN214380274U CN202023087334.7U CN202023087334U CN214380274U CN 214380274 U CN214380274 U CN 214380274U CN 202023087334 U CN202023087334 U CN 202023087334U CN 214380274 U CN214380274 U CN 214380274U
- Authority
- CN
- China
- Prior art keywords
- control unit
- rectifier
- signal
- redundant
- inverter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to an emergency power source field, concretely relates to redundant and redundant emergency power source of contravariant of rectification, including rectifier, dc-to-ac converter, storage battery, static switching unit, first redundant control unit and the redundant control unit of second, first redundant control unit is equipped with two parallelly connected being used for controlling the first rectifier control unit of rectifier and second rectifier control unit each other, first rectifier control unit and second rectifier control unit through first parallelly connected redundant processor with the rectifier is connected, the redundant control unit of second is equipped with two parallelly connected third inverter control unit and the fourth inverter control unit that is used for controlling the dc-to-ac converter each other, third inverter control unit and second inverter control unit through the parallelly connected redundant processor of second with the dc-to-ac converter is connected. The utility model discloses after one of them set of acquisition control unit damages, another set of acquisition control unit continues work, guarantees to last the power supply.
Description
Technical Field
The utility model relates to an emergency power supply technical field, concretely relates to redundant and redundant emergency power supply of contravariant of rectification.
Background
The emergency power supply is composed of rectifier, inverter, accumulator and switch for inverting DC electric energy to AC electric energy.
At present, only one set of control unit is arranged for a rectifying charger and an inverter in the emergency power supply, and when the control unit of the rectifier or the inverter is damaged, the emergency power supply can be damaged even if the rectifier or the inverter is normal.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a redundant emergency power source of rectification and contravariant adopts the redundant emergency power source of rectification and contravariant to have two sets of redundant the control unit that connects in parallel, and after one of them set of rectifier or dc-to-ac converter acquisition control unit damaged, another set of rectifier or dc-to-ac converter acquisition control unit continued work, guaranteed to last the power supply to difficult problem more than solving.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a redundant emergency power source of rectification and contravariant, includes rectifier, dc-to-ac converter, storage battery, static switching unit, first redundant control unit and second redundant control unit, the input and the commercial power of rectifier are connected, the output of rectifier is connected with storage battery and inverter respectively, the output of inverter with one of them input of static switching unit is connected, the output and the load of static switching unit are connected, first redundant control unit is equipped with two first rectifier control unit and the second rectifier control unit that are used for controlling rectifier on/off and rectifier output size that connect in parallel each other, first rectifier control unit and second rectifier control unit through first parallel redundant treater with the rectifier is connected, second redundant control unit is equipped with two third contravariant reversals that are used for controlling inverter on/off and inverter output size that connect in parallel each other The third inverter control unit and the fourth inverter control unit are connected with the inverter through a second parallel redundancy processor.
As optimization, first rectifier the control unit includes first signal acquisition unit and first signal the control unit, first signal acquisition unit's input with the commercial power is connected, first signal acquisition unit's output with first signal the control unit's input is connected, second rectifier the control unit includes second signal acquisition unit and second signal the control unit, second signal acquisition unit's input with the commercial power is connected, second signal acquisition unit's output with second signal the control unit's input is connected, first signal the control unit with second signal the control unit's output passes through first parallel redundant processor with the rectifier is connected.
As an optimization, the third inverter control unit includes a third signal acquisition unit and a third signal control unit, the input of the third signal acquisition unit with the utility power is connected, the output of the third signal acquisition unit with the input of the third signal control unit is connected, the fourth inverter control unit includes a fourth signal acquisition unit and a fourth signal control unit, the input of the fourth signal acquisition unit with the utility power is connected, the output of the fourth signal acquisition unit with the input of the fourth signal control unit is connected, the third signal control unit with the output of the fourth signal control unit passes through the second parallel redundant processor with the inverter is connected.
And optimally, the models of the first signal acquisition unit, the second signal acquisition unit, the third signal acquisition unit and the fourth signal acquisition unit are all LM 339.
Preferably, the models of the first signal control unit, the second signal control unit, the third signal control unit and the fourth signal control unit are TMS320F 2812.
As an optimization, the models of the first parallel redundant processor and the second parallel redundant processor are: ISPLSI2032E-110LJ 44.
Preferably, the other input terminal of the static switching unit is connected with a bypass power supply.
Preferably, the static switching unit is an STS static transfer switch.
A rectification redundancy and inversion redundancy emergency power supply has the following technical effects:
after the acquisition control unit of one set of rectifier or inverter is damaged, the acquisition control unit of the other set of rectifier or inverter continues to work, and continuous power supply is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an emergency power supply with rectification redundancy and inversion redundancy according to the present invention;
FIG. 2 is a schematic diagram of the specific connection of FIG. 1;
fig. 3 is an enlarged connection diagram of a in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to solve the technical problem, the utility model discloses a following technical scheme:
as shown in fig. 1-3, a rectifying redundant and inverting redundant emergency power supply includes a rectifier 1, an inverter 3, a storage battery 2, a static switching unit 4, a first redundant control unit 5 and a second redundant control unit 6, an input end of the rectifier 1 is connected to a commercial power 7, an output end of the rectifier 1 is respectively connected to the storage battery 2 and the inverter 3, an output end of the inverter 3 is connected to one of input ends of the static switching unit 4, an output end of the static switching unit 4 is connected to a load 9, the first redundant control unit 5 is provided with two first and second rectifier control units connected in parallel to each other for controlling on/off of the rectifier and magnitude of the rectifier output, the first and second rectifier control units are connected to the rectifier 1 through a first parallel redundant processor 55, the second redundancy control unit 6 is provided with two third inverter control units and fourth inverter control units connected in parallel to each other for controlling the on/off of the inverter and the magnitude of the inverter output, and the third inverter control units and the fourth inverter control units are connected to the inverter 3 through a second parallel redundancy processor 65.
In this embodiment, the first rectifier control unit includes a first signal acquisition unit 51 and a first signal control unit 52, the input end of the first signal acquisition unit 51 is connected with the commercial power 7, the output end of the first signal acquisition unit 51 is connected with the input end of the first signal control unit 52, the second rectifier control unit includes a second signal acquisition unit 53 and a second signal control unit 54, the input end of the second signal acquisition unit 53 is connected with the commercial power 7, the output end of the second signal acquisition unit 53 is connected with the input end of the second signal control unit 54, and the output ends of the first signal control unit 52 and the second signal control unit 54 are connected with the rectifier 1 through the first parallel redundant processor 55.
The first signal acquisition unit or the second signal acquisition unit acquires alternating current signals of commercial power, and digital signals (rectification drive waves) are obtained through signal conversion, low-pass filtering and analog-to-digital conversion; the first signal control unit or the second signal control unit controls the on-off time of the three-phase rectification module (namely, a rectifier) by controlling the rectification driving wave to obtain a required rectification bus voltage value, and then transmits one path of signal to the rectifier through the first parallel redundancy processor. The rectifier may employ thyristor-type rectification, the output of which is controlled by a phase signal.
In this embodiment, the third inverter control unit includes a third signal acquisition unit 61 and a third signal control unit 62, the input end of the third signal acquisition unit 61 is connected to the commercial power 7, the output end of the third signal acquisition unit 61 is connected to the input end of the third signal control unit 62, the fourth inverter control unit includes a fourth signal acquisition unit 63 and a fourth signal control unit 64, the input end of the fourth signal acquisition unit 63 is connected to the commercial power 7, the output end of the fourth signal acquisition unit 63 is connected to the input end of the fourth signal control unit 64, and the output ends of the third signal control unit 62 and the fourth signal control unit 64 are connected to the inverter 3 through the second parallel redundant processor 65.
The third signal acquisition unit or the fourth signal acquisition unit acquires alternating current signals of the commercial power, and digital signals (inversion driving waves) are obtained through signal conversion, low-pass filtering and analog-to-digital conversion; the third signal control unit or the fourth signal control unit controls the on-off time of the three-phase inversion module (namely the inverter) by controlling the inversion driving wave to obtain the required output current, and then transmits one path of signal to the inverter through the second parallel redundancy processor. The third signal control unit 62 and the fourth signal control unit 64 are each composed of a chip of model TMS320F2812 and peripheral circuits.
In this embodiment, the first signal acquisition unit 51, the second signal acquisition unit 53, the third signal acquisition unit 61, and the fourth signal acquisition unit 63 are all composed of a chip with a model of LM339 and a peripheral circuit.
In this embodiment, the first signal control unit 52, the second signal control unit 54, the third signal control unit 62, and the fourth signal control unit 64 are all composed of a chip with a model number of TMS320F2812 and peripheral circuits.
In this embodiment, the first parallel redundant processor 55 and the second parallel redundant processor 65 are each composed of a chip and peripheral circuits of model ispsi 2032E-110LJ 44.
In this embodiment, the other input terminal of the static switching unit 4 is connected to a bypass power supply.
In this embodiment, the static switching unit 4 is an STS static transfer switch.
Certainly, the first signal acquisition unit, the second signal acquisition unit, the third signal acquisition unit, and the fourth signal acquisition unit may be set according to actual situations, which is a technology well known to those skilled in the art, and refer to a signal acquisition unit in a patent with a patent number of "CN 201721877131.3" and a patent name of "a device for generating a mains synchronization signal", where the first signal control unit, the second signal control unit, the third signal control unit, and the fourth signal control unit may refer to a control circuit in a patent with a patent number of "CN 200920239723.1" and a patent name of "a positive pulse generator test box", and are not described herein again.
The connection of the present invention is an electrical connection, and at the same time, the present invention relates to a specific implementation of a commutation redundancy and inversion redundancy emergency power supply, which may involve a utility software, but the software used is the software most commonly used by those skilled in the art, and is not within the scope of the claims of the patent application.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (8)
1. The emergency power supply is characterized by comprising a rectifier (1), an inverter (3), a storage battery pack (2), a static switching unit (4), a first redundancy control unit (5) and a second redundancy control unit (6), wherein the input end of the rectifier (1) is connected with a mains supply (7), the output end of the rectifier (1) is respectively connected with the storage battery pack (2) and the inverter (3), the output end of the inverter (3) is connected with one input end of the static switching unit (4), the output end of the static switching unit (4) is connected with a load (9), the first redundancy control unit (5) is provided with a first rectifier control unit and a second rectifier control unit which are connected in parallel and used for controlling the rectifier, and the first rectifier control unit and the second rectifier control unit are connected with the rectifier (1) through a first parallel redundancy processor (55) And the second redundancy control unit (6) is provided with a third inverter control unit and a fourth inverter control unit which are connected in parallel and used for controlling the inverters, and the third inverter control unit and the fourth inverter control unit are connected with the inverter (3) through a second parallel redundancy processor (65).
2. A rectifying redundant and inverting redundant emergency power supply according to claim 1, characterized in that the first rectifier control unit comprises a first signal acquisition unit (51) and a first signal control unit (52), the input of the first signal acquisition unit (51) is connected with the mains (7), the output of the first signal acquisition unit (51) is connected with the input of the first signal control unit (52), the second rectifier control unit comprises a second signal acquisition unit (53) and a second signal control unit (54), the input of the second signal acquisition unit (53) is connected with the mains (7), the output of the second signal acquisition unit (53) is connected with the input of the second signal control unit (54), the outputs of the first signal control unit (52) and the second signal control unit (54) are connected with the input of the first parallel redundant processor (55) and the first parallel redundant processor (55) The rectifier (1) is connected.
3. A rectifying-redundant and inverting-redundant emergency power supply according to claim 2, wherein the third inverter control unit comprises a third signal acquisition unit (61) and a third signal control unit (62), the input of the third signal acquisition unit (61) is connected to the mains (7), the output of the third signal acquisition unit (61) is connected to the input of the third signal control unit (62), the fourth inverter control unit comprises a fourth signal acquisition unit (63) and a fourth signal control unit (64), the input of the fourth signal acquisition unit (63) is connected to the mains (7), the output of the fourth signal acquisition unit (63) is connected to the input of the fourth signal control unit (64), and the outputs of the third signal control unit (62) and the fourth signal control unit (64) are connected to the mains through the second parallel redundancy processor (65) and the second parallel redundancy processor (65) The inverters (3) are connected.
4. A rectified and inverted redundant emergency power supply according to claim 3, characterized in that said first (51), second (53), third (61) and fourth (63) signal acquisition units are all of the type LM 339.
5. A rectified and inverted redundant emergency power supply according to claim 3, characterised in that said first (52), second (54), third (62) and fourth (64) signal control units are of the type TMS320F 2812.
6. A rectified and inverted redundant emergency power supply according to claim 1, characterized in that said first parallel redundant processor (55) and said second parallel redundant processor (65) are each of the type: ISPLSI2032E-110LJ 44.
7. A rectified and inverted redundant emergency power supply according to claim 1, characterized in that the other input of the static switching unit (4) is connected to a bypass power supply.
8. A rectified and inverted redundant emergency power supply according to claim 1, characterized in that said static switching unit (4) is an STS static transfer switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023087334.7U CN214380274U (en) | 2020-12-20 | 2020-12-20 | Emergency power supply with rectification redundancy and inversion redundancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023087334.7U CN214380274U (en) | 2020-12-20 | 2020-12-20 | Emergency power supply with rectification redundancy and inversion redundancy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380274U true CN214380274U (en) | 2021-10-08 |
Family
ID=77986267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023087334.7U Active CN214380274U (en) | 2020-12-20 | 2020-12-20 | Emergency power supply with rectification redundancy and inversion redundancy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214380274U (en) |
-
2020
- 2020-12-20 CN CN202023087334.7U patent/CN214380274U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100563086C (en) | Active bi-directional electric power adjuster | |
| JP2940536B1 (en) | Uninterruptible power system | |
| CN202841003U (en) | Novel three-phase photovoltaic grid-connected inverter system structure | |
| CN102832842A (en) | Novel three-phase photovoltaic grid-connected inverter system | |
| CN105324924A (en) | Mechanical bypass switch device, converter arm and power converter | |
| CN104269875A (en) | Hybrid energy storage topological structure on basis of MMC modular multilevel converter | |
| CN112803462A (en) | Forced turn-off method of static transfer switch based on energy storage converter | |
| CN212588279U (en) | DC/AC power conversion device structure | |
| CN204068411U (en) | Ship power supply steady pressure of system frequency regulator | |
| CN214380274U (en) | Emergency power supply with rectification redundancy and inversion redundancy | |
| RU2540966C1 (en) | Static converter | |
| CN108667124A (en) | Multimode pwm command for 3 electrical level inverters | |
| CN113162455A (en) | Power supply conversion device and short-circuit protection method thereof | |
| CN215640176U (en) | Track traffic vehicle renewable energy system drag test device | |
| CN215120269U (en) | Uninterrupted power supply system | |
| CN109149621B (en) | Flexible direct current transmission device with fault ride-through capability and direct current transmission system | |
| RU180249U1 (en) | Static reactive power compensator with uninterruptible power supply function | |
| CN107769212B (en) | Energy storage frequency modulation method | |
| CN111313528A (en) | Multifunctional power supply system and power supply equipment | |
| CN110729910A (en) | Isolated bidirectional AC/DC converter suitable for V2G behaviors | |
| CN111262336A (en) | Flexible uninterruptible power supply device and control method and system thereof | |
| CN217183035U (en) | Cascade type energy storage system | |
| CN110601249A (en) | Voltage source converter unit, online switching method and voltage source converter valve | |
| CN210167851U (en) | Uninterrupted power supply circuit of transformer substation | |
| CN211830317U (en) | Multifunctional power supply system and power supply equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |