CN114336941A - Electric power uninterrupted power source with replaceable host cabinet body - Google Patents
Electric power uninterrupted power source with replaceable host cabinet body Download PDFInfo
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- CN114336941A CN114336941A CN202111671411.XA CN202111671411A CN114336941A CN 114336941 A CN114336941 A CN 114336941A CN 202111671411 A CN202111671411 A CN 202111671411A CN 114336941 A CN114336941 A CN 114336941A
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Abstract
The invention discloses an electric uninterruptible power supply with a replaceable host cabinet body, which comprises a host cabinet and a bypass cabinet; the main cabinet and the bypass cabinet are arranged in a split manner, and a mains supply input circuit of the main cabinet and a bypass input circuit of the bypass cabinet are both connected to a static switch SS; the static switch SS sets up in the bypass cabinet, the output of static switch SS is connected with maintenance switch QF4, maintenance switch QF 4's output is connected with circuit breaker QF3, circuit breaker QF3 is connected with the load, when needing to be changed electric power uninterrupted power source host computer cabinet, direct disconnection DC220V DC power supply and main mains power supply of interchange, electric power uninterrupted power source can automatic switch over to the bypass power supply, through changing the overall arrangement promptly, change the arrangement of electric power uninterrupted power source host computer cabinet and bypass cabinet, when reaching the change electric power uninterrupted power source cabinet body, electrical power generating system still can give the purpose of rear end load, further reduce uninterrupted power source's accident rate.
Description
Technical Field
The invention relates to the technical field of electricity, in particular to an electric uninterruptible power supply with a replaceable host cabinet body.
Background
The uninterrupted power supply for electric power is specially designed for power plant and transformer substation, mainly provides uninterrupted power for important load of electric power system, can be widely used in DC battery panel, electric power communication, microcomputer monitoring, RTU, VQC and accident lighting of electric power system, and can also provide uninterrupted power for AC lubricating oil pump, blower fan and water pump.
The structural layout of a conventional electric uninterruptible power supply generally comprises a main cabinet and a bypass cabinet, wherein an isolation transformer and a voltage stabilizer are arranged in the bypass cabinet, the isolation transformer, a rectifier, an inverter, a static switch and a maintenance change-over switch are arranged in the main cabinet, and when commercial power is normal, power is supplied to a load through the rectification, the inversion and the static switch. When the commercial power is interrupted, the load is supplied with power through the storage battery, the inverter and the static switch. When rectification or inversion fails, the commercial power supplies power to the load through the voltage stabilizer and the static switch.
According to the structural layout of the conventional uninterrupted power supply, when the mains supply is powered off or problems occur in rectification, inversion and static switches, the uninterrupted power supply can be automatically or manually switched to a bypass to continuously supply power to the load. However, when the main cabinet of the uninterruptible power supply needs to be replaced, because the load is connected with the main cabinet, when the main cabinet is dismantled, the uninterruptible power supply interrupts output, and the load stops supplying power.
Disclosure of Invention
The invention aims to provide an electric uninterruptible power supply with a replaceable main unit cabinet body, which achieves the aim that a power supply system can still supply power to a rear-end load uninterruptedly when the main unit cabinet body of the electric uninterruptible power supply is replaced by changing the arrangement of a main unit cabinet and a bypass cabinet of the electric uninterruptible power supply on the basis of the electric uninterruptible power supply.
The purpose of the invention can be realized by the following technical scheme:
an electric uninterruptible power supply with a replaceable main machine cabinet body comprises a main machine cabinet and a bypass cabinet;
the main cabinet and the bypass cabinet are arranged in a split manner, and a mains supply input circuit of the main cabinet and a bypass input circuit of the bypass cabinet are both connected to a static switch SS;
the static switch SS is arranged in the bypass cabinet, the output end of the static switch SS is connected with a maintenance switch QF4, the output end of the maintenance switch QF4 is connected with a circuit breaker QF3, and the circuit breaker QF3 is connected with a load.
As a further scheme of the invention: the commercial power input end of the main cabinet is sequentially connected with a breaker QF1, an isolation transformer B1, a rectifier A1, an inverter A2, an isolation transformer B2, a static switch SS, a maintenance switch QF4 and a breaker QF 3.
As a further scheme of the invention: the breaker QF1, isolation transformer B1, rectifier a1, inverter a2 and isolation transformer B2 are disposed inside the main cabinet.
As a further scheme of the invention: still be provided with the battery input in the main cabinet, the output of battery input is connected with circuit breaker QF5, circuit breaker QF 5's output is connected with inverter A2's input.
As a further scheme of the invention: and a diode component is arranged on a line connecting the battery input and the inverter A2.
As a further scheme of the invention: the bypass input end of the bypass cabinet is sequentially connected with a circuit breaker QF2, an isolation transformer B3, a voltage stabilizer W, a static switch SS, a voltage stabilizing switch QF4 and a circuit breaker QF 3.
As a further scheme of the invention: the breaker QF2, the isolation transformer B3, the voltage stabilizer W, the static switch SS, the voltage stabilizing switch QF4 and the breaker QF3 are arranged inside the bypass cabinet.
As a further scheme of the invention: the bypass input end of the bypass cabinet is sequentially connected with a circuit breaker QF2, an isolation transformer B3, a voltage stabilizer W, a voltage stabilizing switch QF4 and a circuit breaker QF 3.
The invention has the beneficial effects that: when the main cabinet of the power uninterruptible power supply needs to be replaced, the DC220V direct current power supply and the alternating current main power supply are directly disconnected, the power uninterruptible power supply can be automatically switched to bypass power supply, the main cabinet can be replaced, direct current and alternating current power supply of the main cabinet can be directly recovered, the power uninterruptible power supply can be automatically switched to main power supply, namely, the layout is changed, the arrangement of the power uninterruptible power supply main cabinet and the bypass cabinet is changed, when the power uninterruptible power supply cabinet body needs to be replaced, the power supply system can still provide the purpose of rear-end load, and the accident rate of the uninterruptible power supply is further reduced.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is an uninterruptible power supply with replaceable main unit, including a main unit and a bypass unit, where the main unit and the bypass unit are separately disposed and can be used independently;
wherein, this electric power uninterrupted power source of removable host computer cabinet body includes following electrical components and parts: the circuit breaker QF1, the circuit breaker QF2, the circuit breaker QF3, the isolation transformer B1, the isolation transformer B2, the isolation transformer B3, the rectifier A1, the inverter A2, the voltage stabilizer W, the static switch SS and the bypass maintenance switch QF 4;
the breaker QF1, the isolation transformer B1, the isolation transformer B2, the rectifier A1 and the inverter A2 are all arranged in the main cabinet;
the breaker QF2, the breaker QF3, the isolation transformer B3, the voltage stabilizer W, the static switch SS and the bypass maintenance switch QF4 are all arranged in the bypass cabinet.
The main cabinet is connected with a mains supply input, and the mains supply input of the mains supply input is connected with the input end of the circuit breaker QF 1;
the bypass cabinet is connected with a bypass input, and a bypass power supply input of the bypass input is connected with the input end of the breaker QF 2;
the main machine cabinet is also connected with a battery input, and a battery power supply input of the battery input is connected with an input end of the breaker QF 5;
the output end of the breaker QF1 is connected with the input end of an isolation transformer B1, the output end of an isolation transformer B1 is connected with the input end of a rectifier A1, the output end of the rectifier A1 is connected with the input end of an inverter A2, the output end of an inverter A2 is connected with the input end of an isolation transformer B2, the output end of the isolation transformer B2 is connected with one interface of the input end of a static switch SS, the output end of the static switch SS is connected with the input end of a maintenance switch QF4, the output end of the maintenance switch QF4 is connected with the input end of a breaker QF3, and the output end of the breaker QF3 is connected with a load;
the output end of the breaker QF2 is connected with the input end of an isolation transformer B3, the output end of an isolation transformer B3 is connected with the input end of a voltage stabilizer W, the output end of the voltage stabilizer W is connected with the other interface of the input end of a static switch SS, the output end of the static switch SS is connected with the input end of a maintenance switch QF4, the output end of the maintenance switch QF4 is connected with the input end of a breaker QF3, and the output end of a breaker QF3 is connected with a load;
or the output end of the breaker QF2 is connected with the input end of an isolation transformer B3, the output end of an isolation transformer B3 is connected with the input end of a voltage stabilizer W, and the output end of the voltage stabilizer W is directly connected with the breaker QF3 through a maintenance switch QF 4;
the output end of a breaker Q5 is connected to a circuit connected with a rectifier A1 and an inverter A2, so that the output end of the breaker QF5 is connected with the input end of the inverter A2, the output end of the inverter A2 is connected with the input end of an isolation transformer B2, the output end of the isolation transformer B2 is connected with the input end of a static switch SS, the output end of the static switch SS is connected with the input end of a maintenance switch QF4, the output end of the maintenance switch QF4 is connected with the input end of the breaker QF3, and the output end of the breaker QF3 is connected with a load;
a diode piece is arranged on a circuit connecting the output end of the breaker QF5 and the input end of the inverter A2;
the static switch SS is arranged in the bypass cabinet, and a maintenance switch QF4 and a breaker QF3 are also arranged in the bypass cabinet;
when in use:
when the input end of a mains supply of the main cabinet is electrified, the power supply passes through a breaker QF1 and is isolated by an isolation transformer B1, then the power supply is transmitted into a rectifier A1, an inverter A2 and an isolation transformer B2, and then the power supply is supplied to a load through a static switch SS in the bypass cabinet and a maintenance switch QF4 in the bypass cabinet by a breaker QF 3;
when a rectifier A1 and an inverter A2 connected with the input end of a mains supply in the main cabinet are damaged, the current connected with the input end of a bypass power supply in the bypass cabinet is transmitted to an isolation transformer B3 through a breaker QF2, and then is supplied to a load through a voltage stabilizer W, a static switch SS, a maintenance switch QF4 and a breaker QF 3;
when the bypass cabinet supplies power to the load, the electronic components connected with the input end of the bypass power supply are all arranged in the bypass cabinet;
when the main cabinet of the electric uninterruptible power supply needs to be replaced, a direct-current power supply of DC220V input by a battery in the main cabinet and an alternating-current main power supply input by a mains supply are directly disconnected, the electric uninterruptible power supply can be automatically switched to bypass power supply, independent operation of the bypass cabinet is realized, replacement of the main cabinet can be carried out, when the main cabinet is replaced, direct-current and alternating-current power supply of the main cabinet is directly recovered, and the electric uninterruptible power supply can be automatically switched to the main power supply.
The battery power input of the battery input is a storage battery of DC 220V;
the rectifier A1 realizes the conversion of the alternating current input by the main circuit power supply or the bypass power supply into the direct current;
the inverter A2 converts the direct current processed by the rectifier A1 and the direct current of which the battery power input is DC220V into alternating current.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. An electric uninterruptible power supply with a replaceable main machine cabinet body is characterized by comprising a main machine cabinet and a bypass cabinet;
the main cabinet and the bypass cabinet are arranged in a split manner, and a mains supply input circuit of the main cabinet and a bypass input circuit of the bypass cabinet are both connected to a static switch SS;
the static switch SS is arranged in the bypass cabinet, the output end of the static switch SS is connected with a maintenance switch QF4, the output end of the maintenance switch QF4 is connected with a circuit breaker QF3, and the circuit breaker QF3 is connected with a load.
2. An uninterruptible power supply for power with a replaceable main cabinet according to claim 1, wherein a breaker QF1, an isolation transformer B1, a rectifier a1, an inverter a2, an isolation transformer B2, a static switch SS, a maintenance switch QF4 and a breaker QF3 are sequentially connected to the mains input of the main cabinet.
3. The replaceable host cabinet power uninterruptible power supply of claim 2, wherein the circuit breaker QF1, isolation transformer B1, rectifier a1, inverter a2, and isolation transformer B2 are disposed inside the host cabinet.
4. The uninterruptible power supply with replaceable host cabinet as claimed in claim 2, wherein a battery input is further disposed in the host cabinet, an output of the battery input is connected to a breaker QF5, and an output of the breaker QF5 is connected to an input of the inverter a 2.
5. The uninterruptible power supply with replaceable host cabinet as claimed in claim 4, wherein a diode is disposed on the line connecting the battery input and the inverter A2.
6. The uninterruptible power supply with replaceable host cabinet as claimed in claim 1, wherein the bypass input end of the bypass cabinet is sequentially connected with a breaker QF2, an isolation transformer B3, a voltage stabilizer W, a static switch SS, a voltage stabilizer switch QF4 and a breaker QF 3.
7. The replaceable host cabinet electric power uninterruptible power supply of claim 6, wherein the circuit breaker QF2, isolation transformer B3, voltage regulator W, static switch SS, voltage regulator switch QF4 and circuit breaker QF3 are disposed inside the bypass cabinet.
8. The uninterruptible power supply with replaceable host cabinet as claimed in claim 1, wherein the bypass input end of the bypass cabinet is sequentially connected with a breaker QF2, an isolation transformer B3, a voltage stabilizer W, a voltage stabilizing switch QF4 and a breaker QF 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671411.XA CN114336941A (en) | 2021-12-31 | 2021-12-31 | Electric power uninterrupted power source with replaceable host cabinet body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671411.XA CN114336941A (en) | 2021-12-31 | 2021-12-31 | Electric power uninterrupted power source with replaceable host cabinet body |
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| Publication Number | Publication Date |
|---|---|
| CN114336941A true CN114336941A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111671411.XA Pending CN114336941A (en) | 2021-12-31 | 2021-12-31 | Electric power uninterrupted power source with replaceable host cabinet body |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012165558A (en) * | 2011-02-07 | 2012-08-30 | Nishimu Electronics Industries Co Ltd | Uninterruptible power supply apparatus |
| CN204012904U (en) * | 2014-07-12 | 2014-12-10 | 中国石油化工股份有限公司 | A kind of control cubicle of ups power |
| CN204258411U (en) * | 2014-11-21 | 2015-04-08 | 厦门朗臣电子科技有限公司 | A kind of intelligent UPS device |
| CN107404148A (en) * | 2016-05-20 | 2017-11-28 | 张敬梅 | A kind of uninterrupted electric power protection switch controller |
| CN212676943U (en) * | 2020-06-25 | 2021-03-09 | 深圳市广前电力有限公司 | Structure for live-line-free maintenance of UPS (uninterrupted Power supply) host system |
-
2021
- 2021-12-31 CN CN202111671411.XA patent/CN114336941A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012165558A (en) * | 2011-02-07 | 2012-08-30 | Nishimu Electronics Industries Co Ltd | Uninterruptible power supply apparatus |
| CN204012904U (en) * | 2014-07-12 | 2014-12-10 | 中国石油化工股份有限公司 | A kind of control cubicle of ups power |
| CN204258411U (en) * | 2014-11-21 | 2015-04-08 | 厦门朗臣电子科技有限公司 | A kind of intelligent UPS device |
| CN107404148A (en) * | 2016-05-20 | 2017-11-28 | 张敬梅 | A kind of uninterrupted electric power protection switch controller |
| CN212676943U (en) * | 2020-06-25 | 2021-03-09 | 深圳市广前电力有限公司 | Structure for live-line-free maintenance of UPS (uninterrupted Power supply) host system |
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