CN214045171U - double-UPS self-adaptive undisturbed switching control system - Google Patents
double-UPS self-adaptive undisturbed switching control system Download PDFInfo
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- CN214045171U CN214045171U CN202021721772.1U CN202021721772U CN214045171U CN 214045171 U CN214045171 U CN 214045171U CN 202021721772 U CN202021721772 U CN 202021721772U CN 214045171 U CN214045171 U CN 214045171U
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
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Abstract
The utility model provides a double UPS self-adapting undisturbed switching control system, which comprises a filter, a rectifier, a regulating battery pack, a battery pack 1, a battery pack 2, an inverter and a voltage stabilizer, wherein the input end of the filter is connected with 220V alternating current commercial power, and the output end of the filter is connected with the rectifier; the other end of the rectifier is connected with the regulation battery pack, the other end of the regulation battery pack is respectively connected with the battery pack 1, the battery pack 2 and the input end of the inverter, the battery pack 1 and the battery pack 2 are respectively connected with the load sub-circuit 1 and the load sub-circuit 2 in the load circuit through the disconnecting link 1 and the disconnecting link 2, the disconnecting link 1 and the disconnecting link 2 are provided with a disconnecting link 3 close to the end of the load circuit, and the output end of the inverter is connected with the load main circuit through the disconnecting link 4; and a disconnecting link 5 is arranged between the battery pack 1 and the regulation battery pack. The utility model discloses not only provide multiple power supply strategy, still effectively improved DC power supply's reliability, guaranteed the power supply quality.
Description
Technical Field
The utility model belongs to the technical field of circuit design technique and specifically relates to a two UPS self-adaptation undisturbed switching control system is related to.
Background
With the progress of science and technology, the automation degree of enterprise production is higher and higher, the application of the PLC and the distributed control system greatly improves the labor productivity, and the dependence degree of production activities on the control system is increased day by day. An automatic control system generally adopts a UPS for power supply so as to ensure the stability and reliability of the system. The UPS equipment generally provides power for an automatic control system in the following ways: a single UPS supplies power; the two UPS are operated in parallel; two UPS series connection and the like. The single UPS has simple power supply mode, the load can not be transferred, and the reliability is relatively low. The parallel operation mode generally requires the consistency of the models of the two machines and has the parallel operation function. The serial operation mode does not need the same model, two devices are in one-use one-standby mode, and the reliability and the safety are lower than those of the parallel operation mode. The UPS equipment needs to be periodically overhauled and maintained and related performance tests or accident fault overhauling in the operation process, and due to the continuity of production, the power supply of a load, especially an important load of double-machine power supply, is generally still guaranteed during the overhauling and maintenance of the UPS equipment, so that the uninterrupted power supply is kept, and the risk of power loss during the overhauling work is also guaranteed. When the single machine operation mode is maintained, the UPS needs the bypass mode to supply power to the load, and the stability, reliability and safety of the bypass mode power supply are greatly reduced. When in maintenance, the bypass power supply and the load feed-out terminal are still inside the equipment, and the uncertainty of maintenance activities also causes great risk to the safety of bypass power supply. When the parallel UPS is in maintenance, the equipment can be withdrawn from maintenance, and the other equipment supplies power, but when the parallel module fails, the parallel module can not be safely processed and tested under the condition of ensuring continuous power supply of the load. The series operation equipment can also be withdrawn from the maintenance equipment during maintenance, the host can be supplied with power by a standby machine during maintenance, but the power of the load is transferred through the inside of the host equipment, and if a fault point is near a bypass power supply or a load feed-out terminal, the limit of the safety distance can lead to failure processing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two UPS self-adaptation undisturbed switching control system solves current system and leads to influencing the problem of auxiliary machinery equipment reliability at switching in-process time overlength.
In order to achieve the technical purpose, the utility model discloses a two UPS self-adaptation undisturbed switching control system, including wave filter, rectifier, regulation and control group battery, first group battery (UPS 1), second group battery (UPS 2), dc-to-ac converter and stabiliser, the input of wave filter is connected 220V and exchanges the commercial power, the output is connected with the rectifier; the other end of the rectifier is connected with the regulation battery pack, the other end of the regulation battery pack is respectively connected with a first battery pack (UPS 1), a second battery pack (UPS 2) and the input end of an inverter, the first battery pack (UPS 1) and the second battery pack (UPS 2) are respectively connected with a first load sub-circuit and a second load sub-circuit in a load circuit through a first disconnecting link and a second disconnecting link, a third disconnecting link is arranged at the end, close to the load circuit, of the first disconnecting link and the second disconnecting link, and the output end of the inverter is connected with a load main circuit through a fourth disconnecting link; and a fifth disconnecting link is arranged between the first battery pack (UPS 1) and the regulating battery pack.
Further, when the commercial power is normally supplied, the first battery pack (UPS 1) and the second battery pack (UPS 2) are in a charging state, and the corresponding first disconnecting link and the corresponding second disconnecting link are both in an open state, the third disconnecting link is closed, the fourth disconnecting link is closed, and the fifth disconnecting link is closed.
Furthermore, when the commercial power is normally supplied, the battery pack is regulated and controlled to be in a charging state, and meanwhile, the inverter and the voltage stabilizer are used for continuously supplying power to the load circuit.
Further, when the commercial power stops supplying power, the battery pack is regulated and controlled to be in a discharging state.
Further, still include, when regulation and control group battery discharge time is 60 seconds, carry out circuit switch, closed first switch and second switch in proper order, disconnection third switch, disconnection fourth switch, and disconnection fifth switch, first group battery (UPS 1) with second group battery (UPS 2) is in the discharge state, regulation and control group battery gets into dormant state.
Further, the method also comprises the step of closing a fourth disconnecting link K4 when the first battery pack (UPS 1) enters 20 seconds before the maintenance state, and the battery pack is regulated to be in a discharge state.
Further, 20 seconds before the second battery pack (UPS 2) enters the maintenance state, the third disconnecting link is closed, the fourth disconnecting link is closed, the fifth disconnecting link is disconnected, and the battery pack is regulated to be in a discharge state.
Further, the monitoring device comprises a charging and discharging monitor for monitoring the regulation and control battery pack, the first battery pack (UPS 1) and the second battery pack (UPS 2) in real time, and the monitor is connected with an operation end through a serial communication module.
Further, the monitor is a voltage current transformer.
Further, the operation end further includes: the operation end obtains the information collected by the voltage and current transformer, calculates the acting electricity duration of the regulation battery pack, or the first battery pack (UPS 1), or the second battery pack (UPS 2), and executes corresponding disconnecting link closing control.
The utility model has the advantages that: through the utility model discloses a direct current uninterrupted power supply system and multiple power supply strategy, the utility model discloses not only can effectively improve DC power supply's reliability, effectively guarantee the power supply quality moreover.
Drawings
Fig. 1 is a schematic structural diagram of a dual UPS adaptive undisturbed switching control system in an embodiment.
Detailed Description
The following describes a dual UPS adaptive undisturbed switching control system in further detail with reference to specific embodiments and accompanying drawings.
Fig. 1 illustrates a dual UPS adaptive undisturbed switching control system according to the present invention, wherein a UPS 1-a first battery pack; UPS 2-a second battery pack; k1-first knife switch; k2-second knife switch; k3-third knife switch; k4-fourth knife switch; k5-fifth knife switch K5.
Specifically, the system comprises: the battery pack comprises a filter, a rectifier, a regulation battery pack, a first battery pack (UPS 1), a second battery pack (UPS 2), an inverter and a voltage stabilizer, wherein the input end of the filter is connected with 220V alternating current mains supply, and the output end of the filter is connected with the rectifier; the other end of the rectifier is connected with the regulation battery pack, the other end of the regulation battery pack is respectively connected with a first battery pack (UPS 1), a second battery pack (UPS 2) and an input end of an inverter, the first battery pack (UPS 1) and the second battery pack (UPS 2) are respectively connected with a first load sub-circuit and a second load sub-circuit in a load circuit through a first disconnecting link K1 and a second disconnecting link K2, a third disconnecting link K3 is arranged at the end, close to the load circuit, of the first disconnecting link K1 and the second disconnecting link K2, and the output end of the inverter is connected with a load main circuit through a fourth disconnecting link K4; and a fifth knife switch K5 is arranged between the first battery pack (UPS 1) and the regulating battery pack.
Further, when the commercial power is normally supplied, the first battery pack (UPS 1) and the second battery pack (UPS 2) are in a charging state, the corresponding first disconnecting link K1 and the corresponding second disconnecting link K2 are both in an open state, the third disconnecting link K3 is closed, the fourth disconnecting link K4 is closed, and the fifth disconnecting link K5 is closed.
Furthermore, when the commercial power is normally supplied, the battery pack is regulated and controlled to be in a charging state, and meanwhile, the inverter and the voltage stabilizer are used for continuously supplying power to the load circuit.
Further, when the commercial power stops supplying power, the battery pack is regulated and controlled to be in a discharging state.
Further, still include, when regulation and control group battery discharge time is 60 seconds, carry out the circuit switch, close first switch K1 and second switch K2 in proper order, disconnection third switch K3, disconnection fourth switch K4, and disconnection fifth switch K5, first group battery (UPS 1) with second group battery (UPS 2) is in the discharge state, regulation and control group battery gets into dormant state.
Further, the method also comprises the step of closing a fourth disconnecting link K4 when the first battery pack (UPS 1) enters 20 seconds before the maintenance state, and the battery pack is regulated to be in a discharge state.
Further, when the second battery pack (UPS 2) enters the maintenance state 20 seconds before, the third disconnecting link K3 is closed, the fourth disconnecting link K4 is closed, the fifth disconnecting link K5 is opened, and the battery pack is controlled to be in a discharge state.
Further, the monitoring device comprises a charging and discharging monitor for monitoring the regulation and control battery pack, the first battery pack (UPS 1) and the second battery pack (UPS 2) in real time, and the monitor is connected with an operation end through a serial communication module.
Further, the monitor is a voltage current transformer. The monitor is responsible for collecting parameter information of the storage battery during working and sending collected data to the serial communication module, and the parameter information is preferably the charge and discharge current and voltage of the storage battery pack.
Further, the operation end further includes: the operation end obtains the information collected by the voltage and current transformer, calculates the acting electricity duration of the regulation battery pack, or the first battery pack (UPS 1), or the second battery pack (UPS 2), and executes corresponding disconnecting link closing control. Preferably, the serial communication module sends the received parameter information to a specified IP address or domain name through GPRS wireless communication. After receiving the parameter information, the operation end analyzes the parameter information, for example, calculates the charging and discharging time of the battery pack, and can also predict the remaining electric quantity of the battery pack.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.
Claims (10)
1. The double-UPS self-adaptive undisturbed switching control system is characterized by comprising a filter, a rectifier, a regulation battery pack, a first battery pack (UPS 1), a second battery pack (UPS 2), an inverter and a voltage stabilizer, wherein the input end of the filter is connected with 220V alternating current mains supply, and the output end of the filter is connected with the rectifier; the other end of the rectifier is connected with the regulation battery pack, the other end of the regulation battery pack is respectively connected with a first battery pack (UPS 1), a second battery pack (UPS 2) and the input end of an inverter, the first battery pack (UPS 1) and the second battery pack (UPS 2) are respectively connected with a first load sub-circuit and a second load sub-circuit in a load circuit through a first disconnecting link and a second disconnecting link, a third disconnecting link is arranged at the end, close to the load circuit, of the first disconnecting link and the second disconnecting link, and the output end of the inverter is connected with a load main circuit through a fourth disconnecting link; a fifth knife switch is arranged between the first battery pack (UPS 1) and the regulating battery pack.
2. The system of claim 1, wherein: when the commercial power is normally supplied, the first battery pack (UPS 1) and the second battery pack (UPS 2) are in a charging state, the corresponding first disconnecting link and the corresponding second disconnecting link are both in an open state, the third disconnecting link is closed, the fourth disconnecting link is closed, and the fifth disconnecting link is closed.
3. The system of claim 1, wherein: when the commercial power is normally supplied, the regulation and control battery pack is in a charging state, and meanwhile, the inverter and the voltage stabilizer are used for continuously supplying power to the load circuit.
4. The system of claim 1, wherein: when the commercial power stops supplying power, the battery pack is in a discharge state.
5. The system of claim 4, wherein: still include when regulation and control group battery discharge time is 60 seconds, carry out the circuit switch, closed first switch and second switch in proper order, disconnection third switch, disconnection fourth switch, and disconnection fifth switch, first group battery (UPS 1) with second group battery (UPS 2) is in the discharge state, regulation and control group battery gets into dormant state.
6. The system of claim 5, wherein: the method also comprises the step of closing a fourth disconnecting link 20 seconds before the first battery pack (UPS 1) enters the maintenance state, and regulating and controlling the battery pack to be in a discharge state.
7. The system of claim 5, wherein: and closing the third disconnecting link, closing the fourth disconnecting link and disconnecting the fifth disconnecting link 20 seconds before the second battery pack (UPS 2) enters the maintenance state, wherein the battery pack is regulated to be in a discharge state.
8. The system according to any one of claims 1-7, wherein: the monitoring device further comprises a charging and discharging monitor used for monitoring the regulation and control battery pack, the first battery pack (UPS 1) and the second battery pack (UPS 2) in real time, and the monitor is connected with an operation end through a serial communication module.
9. The system of claim 8, wherein: the monitor is a voltage current transformer.
10. The system of claim 9, wherein: further comprising: and acquiring the information acquired by the voltage and current transformer through the operating end, calculating the acting electricity duration of the regulation and control battery pack, or the first battery pack (UPS 1) or the second battery pack (UPS 2), and executing corresponding switch closing control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721772.1U CN214045171U (en) | 2020-08-18 | 2020-08-18 | double-UPS self-adaptive undisturbed switching control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721772.1U CN214045171U (en) | 2020-08-18 | 2020-08-18 | double-UPS self-adaptive undisturbed switching control system |
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| Publication Number | Publication Date |
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| CN214045171U true CN214045171U (en) | 2021-08-24 |
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| CN202021721772.1U Active CN214045171U (en) | 2020-08-18 | 2020-08-18 | double-UPS self-adaptive undisturbed switching control system |
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| CN (1) | CN214045171U (en) |
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- 2020-08-18 CN CN202021721772.1U patent/CN214045171U/en active Active
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