CN210246391U - Uninterrupted power supply based on double static switch control - Google Patents
Uninterrupted power supply based on double static switch control Download PDFInfo
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- CN210246391U CN210246391U CN201921381731.XU CN201921381731U CN210246391U CN 210246391 U CN210246391 U CN 210246391U CN 201921381731 U CN201921381731 U CN 201921381731U CN 210246391 U CN210246391 U CN 210246391U
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Abstract
The utility model relates to an uninterrupted power supply based on double static switch control, which belongs to the technical field of uninterrupted power supplies; the technical problem to be solved is as follows: the improvement of the hardware structure of the uninterruptible power supply based on the control of the dual-static switch is provided; the technical scheme for solving the technical problem is as follows: the power supply control circuit comprises a primary static switch arranged in a power supply control loop, wherein the output end of the primary static switch is connected with one end of a change-over switch S6; one input end of the primary static switch is sequentially connected in series with an inverter, a rectifier and a mains supply input air switch S1 and then is connected with a mains supply, and the input end of the inverter is also connected with a battery pack; the other input end of the primary static switch is connected with one end of a bypass input idle switch S2, the other end of the bypass input idle switch S2 is connected with one end of a maintenance switch S5 in parallel and then is connected with a bypass power supply, and the other end of the maintenance switch S5 is connected with the other end of a change-over switch S6 in parallel and then is connected with one input end of the secondary static switch; the utility model discloses be applied to uninterrupted power source.
Description
Technical Field
The utility model relates to an uninterrupted power source based on two static switch control belongs to uninterrupted power source technical field.
Background
The UPS (uninterruptible Power supply) used at present can provide a stable Power supply for a load after rectification and inversion of mains supply, and when the mains supply is interrupted, the UPS supplies Power to the load through battery inversion or a static bypass, so that the Power supply switching time of the UPS device is very short, and the UPS is mainly used for providing an uninterruptible Power supply for important loads such as electric loads, instruments and the like; the UPS is applied to the control machine room power supply of the chemical enterprise, and due to the characteristic that the application place of the UPS needs continuous production, the long-time reliable power supply of some A-type loads is guaranteed, when the UPS breaks down, the carried loads can lose power, the corresponding machine room requires that the UPS has a redundancy design, namely two parallel machines are installed simultaneously to operate, so that when one of the UPS breaks down, the other UPS can still carry all the loads, but the redundancy power supply mechanism design increases the equipment quantity and the use and maintenance cost, and the UPS is not beneficial to popularization and use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the improvement of the hardware structure of the uninterruptible power supply based on the dual-static switch control is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: an uninterrupted power supply based on double static switch control comprises a primary static switch arranged in a power supply control loop, wherein the output end of the primary static switch is connected with one end of a change-over switch S6;
one input end of the primary static switch is sequentially connected in series with an inverter, a rectifier and a mains supply input air switch S1 and then is connected with a mains supply, and the input end of the inverter is also connected with a battery pack;
the other input end of the primary static switch is connected with one end of a bypass input idle switch S2, the other end of the bypass input idle switch S2 is connected with one end of a maintenance switch S5 in parallel and then is connected with a bypass power supply, and the other end of the maintenance switch S5 is connected with the other end of a change-over switch S6 in parallel and then is connected with one input end of the secondary static switch;
the other input end of the secondary static switch is connected with mains supply;
and the output end of the secondary static switch is connected to a load loop.
And a manual switch is also connected between the two input ends of the secondary static switch in parallel.
An inverter switch S4 is also provided inside the inverter.
And a standby power switch S7 is also arranged between the other input end of the secondary static switch and the mains supply input end.
The primary static switch and the secondary static switch are STS static switches, and the model of each STS static switch is Eaton STS 16A.
The type of the inverter is KSM-1500 PSWC;
the rectifier is of the MMD200F160X type.
The utility model discloses beneficial effect for prior art possesses does: the utility model provides an uninterrupted power supply with improved structure, which realizes the redundant design of single power supply by arranging a two-stage static switch in the control loop of the uninterrupted power supply, when the battery fails to cause the power output end to lose power, the device can be automatically switched to a standby power supply through the static switch, thereby achieving the use effect of two UPS parallel operation; the utility model discloses a STS static switch can also carry out real-time supervision to UPS output end electric current, and the fault switching time is less than 8ms, remains important load throughout and does not lose the electricity, satisfies the power consumption demand of B level computer lab or industrial control computer lab to can save the cost of enterprise's investment equipment.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic diagram of the circuit structure of the present invention;
fig. 2 is a schematic diagram of a circuit structure of the second-stage static switch of the present invention;
in the figure: 1 is a primary static switch, 2 is a series inverter, 3 is a rectifier, 4 is a battery pack, and 5 is a secondary static switch.
Detailed Description
As shown in fig. 1 and fig. 2, the utility model relates to an uninterruptible power supply based on dual static switch control, which includes a primary static switch (1) disposed in a power control loop, wherein an output end of the primary static switch (1) is connected with one end of a switch S6;
one input end of the primary static switch (1) is connected with an inverter (2), a rectifier (3) and a mains supply input air switch S1 in series in sequence and then is connected with a mains supply, and the input end of the inverter (2) is also connected with a battery pack (4);
the other input end of the primary static switch (1) is connected with one end of a bypass input idle switch S2, the other end of the bypass input idle switch S2 is connected with one end of a maintenance switch S5 in parallel and then is connected with a bypass power supply, and the other end of the maintenance switch S5 is connected with the other end of a change-over switch S6 in parallel and then is connected with one input end of a secondary static switch (5);
the other input end of the secondary static switch (5) is connected with mains supply;
and the output end of the secondary static switch (5) is connected to a load loop.
And a manual switch is also connected between the two input ends of the secondary static switch (5) in parallel.
An inverter switch S4 is also arranged in the inverter (2).
And a standby power switch S7 is also arranged between the other input end of the secondary static switch (5) and the mains supply input end.
The primary static switch (1) and the secondary static switch (5) are STS static switches, and the model of each STS static switch is Eaton STS 16A.
The type of the inverter (2) is KSM-1500 PSWC;
the model of the rectifier (3) is MMD200F 160X.
The utility model discloses a be applied to B level computer lab designing requirement's high performance, high performance price/performance ratio's UPS product, can realize the redundant control of single UPS, avoid leading to important load service interruption because of equipment trouble, guarantee to last the power supply, solve the unreliable problem of single UPS power supply, avoid behind a UPS trouble, important load probably loses electricity of taking, influences the continuous production of enterprise.
The utility model is provided with two stages of STS static switches in the UPS control loop, wherein one stage is connected with the UPS output and is set as the main power supply, and the other stage is connected with the independent commercial power and is set as the standby power supply;
the static switch used by the utility model belongs to a non-contact switch, which is an AC switch formed by connecting two silicon controlled rectifiers SCR in reverse parallel, the on and off of the switch are controlled by a logic controller, and the switch can be applied to two paths of power supply systems to realize the power supply switching from one path of power supply to the other path of power supply; the utility model discloses a static switch requires that two way alternating current power supply of control frequency, amplitude homogeneous phase are the same, when a certain power of the same kind breaks down, will produce balanced current between two powers to make two parallel power supply's output voltage change, static switch's effect is just to cut off the power output who breaks down, accomplishes the incessant switching between dc-to-ac converter output and commercial power bypass output.
The STS static switch can monitor the UPS output in real time, when the UPS fails to cause the output end to lose power or the current exceeds a protection fixed value, the STS static switch quickly switches the main power to the standby power, the emergency switching is preferentially switched or inhibited, the switching time is less than 8ms, and the load can be ensured not to lose power.
An interlocking manual maintenance switch is further arranged inside the STS static switch, and switching can be performed uninterruptedly through the interlocking manual maintenance switch, so that maintenance is facilitated; the input, output and by-pass power terminals of the STS static switch are isolated during service to safely maintain any components within the STS static switch while the system is in the by-pass power state.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides an uninterrupted power source based on two static switch control which characterized in that: the power supply control circuit comprises a primary static switch (1) arranged in a power supply control loop, wherein the output end of the primary static switch (1) is connected with one end of a change-over switch S6;
one input end of the primary static switch (1) is connected with an inverter (2), a rectifier (3) and a mains supply input air switch S1 in series in sequence and then is connected with a mains supply, and the input end of the inverter (2) is also connected with a battery pack (4);
the other input end of the primary static switch (1) is connected with one end of a bypass input idle switch S2, the other end of the bypass input idle switch S2 is connected with one end of a maintenance switch S5 in parallel and then is connected with a bypass power supply, and the other end of the maintenance switch S5 is connected with the other end of a change-over switch S6 in parallel and then is connected with one input end of a secondary static switch (5);
the other input end of the secondary static switch (5) is connected with mains supply;
and the output end of the secondary static switch (5) is connected to a load loop.
2. The uninterruptible power supply based on the bi-static switch control as claimed in claim 1, wherein: and a manual switch is also connected between the two input ends of the secondary static switch (5) in parallel.
3. The uninterruptible power supply based on the bi-static switch control as claimed in claim 2, wherein: an inverter switch S4 is also arranged in the inverter (2).
4. The uninterruptible power supply based on the bi-static switch control as claimed in claim 3, wherein: and a standby power switch S7 is also arranged between the other input end of the secondary static switch (5) and the mains supply input end.
5. The uninterruptible power supply based on the bi-static switch control of claim 4, wherein: the primary static switch (1) and the secondary static switch (5) are STS static switches, and the type of each STS static switch is Eaton STS 16A.
6. The uninterruptible power supply based on the bi-static switch control of claim 5, wherein: the type of the inverter (2) is KSM-1500 PSWC;
the model of the rectifier (3) is MMD200F 160X.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381731.XU CN210246391U (en) | 2019-08-23 | 2019-08-23 | Uninterrupted power supply based on double static switch control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381731.XU CN210246391U (en) | 2019-08-23 | 2019-08-23 | Uninterrupted power supply based on double static switch control |
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| CN210246391U true CN210246391U (en) | 2020-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431267A (en) * | 2020-04-21 | 2020-07-17 | 东莞市台诺电子有限公司 | Static switch driving circuit with zero switching time |
| WO2024159773A1 (en) * | 2023-01-31 | 2024-08-08 | 华为数字能源技术有限公司 | Uninterruptible power supply and data center |
-
2019
- 2019-08-23 CN CN201921381731.XU patent/CN210246391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431267A (en) * | 2020-04-21 | 2020-07-17 | 东莞市台诺电子有限公司 | Static switch driving circuit with zero switching time |
| WO2024159773A1 (en) * | 2023-01-31 | 2024-08-08 | 华为数字能源技术有限公司 | Uninterruptible power supply and data center |
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