CN215835190U - Standby power supply system of desulfurization UPS - Google Patents
Standby power supply system of desulfurization UPS Download PDFInfo
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- CN215835190U CN215835190U CN202121883788.7U CN202121883788U CN215835190U CN 215835190 U CN215835190 U CN 215835190U CN 202121883788 U CN202121883788 U CN 202121883788U CN 215835190 U CN215835190 U CN 215835190U
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- power supply
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- desulfurization
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a standby power supply system of a desulfurization UPS (uninterrupted power supply), which comprises a desulfurization UPS device and a standby power supply assembly, wherein the standby power supply assembly is connected with the desulfurization UPS device through a wire; this desulfurization UPS's stand-by power supply system reforms transform through the stand-by power supply subassembly to the desulfurization UPS device, install independent charge and discharge module additional, simultaneously for preventing that the desulfurization UPS device from to stand-by power supply subassembly reverse charging, install the contrary diode that ends additional on the output line to this reliability that improves this system guarantees the long-term safe and stable operation of desulfurization UPS device, the life-span of extension stand-by power supply subassembly, reduce the maintenance cost of stand-by power supply subassembly.
Description
Technical Field
The utility model relates to production equipment of a thermal power plant, in particular to a standby power supply system of a desulfurization UPS.
Background
The desulfurization UPS device belongs to important equipment of a desulfurization system of a thermal power plant and mainly supplies power to loads such as a desulfurization DCS control system, a desulfurization environment monitoring device, a transmitter, a fire alarm and fire control system and the like. The desulfurization UPS device comprises a rectifier, an inverter, a static transfer switch, an isolation transformer, a bypass transformer, a manual bypass switch, an alternating current distribution panel and the like. The UPS operates in a mode that the UPS supplies power after rectification and inversion under normal conditions; when the alternating current power supply loses power, the UPS is provided with a storage battery and supplies power through the inverter; when the inverter fails, the static switch is automatically switched to the bypass power supply to supply power. When the UPS is overhauled, the power supply can be switched to the bypass for power supply by the manual bypass switch.
The back-up power supply of the desulfurization UPS is a 220V direct-current storage battery, an independent charging and discharging device is not generally configured, charging is realized through the UPS device, and the setting cannot be adjusted. According to the requirement of the maintenance regulation of the storage battery, the storage battery is required to be subjected to supplementary charging at regular intervals, and the supplementary charging cannot be realized due to the fact that no charging device is arranged on the site, so that the battery is easy to damage, and the normal use of the desulfurization UPS is influenced; the storage battery is charged because the current cannot be set, and the battery is easily damaged due to overlarge current.
SUMMERY OF THE UTILITY MODEL
The utility model provides a standby power supply system of a desulfurization UPS.
In order to achieve the above purpose, the following scheme is provided: the utility model provides a desulfurization UPS's stand-by power supply system, includes desulfurization UPS device, still includes stand-by power supply subassembly, stand-by power supply subassembly passes through the wire with desulfurization UPS device and is connected, stand-by power supply subassembly includes alternating current input module, electric energy deposit module, discharge module, output line and safety module, alternating current input module passes through the wire with electric energy deposit module and is connected, and electric energy deposit module is connected with output line and output line passes through the wire with desulfurization UPS device and is connected, and electric energy deposit module department is equipped with the discharge module, alternating current input module includes alternating current main power supply, alternating current stand-by power supply and a plurality of high frequency switch power supply module, alternating current main power supply passes through the wire with high frequency switch power supply module's input and is connected and alternating current main power supply department is equipped with the switch of control alternating current main power supply break-make, alternating current stand-by power supply passes through the wire with high frequency switch power supply module's input and is connected and alternating current stand-by power supply department is equipped with control alternating current main stand-by power supply The switch of break-make, electric energy storage module include main electric power storage module and a plurality of reserve electric power storage module, main electric power storage module is the same with reserve electric power storage module's structure, main electric power storage module includes main battery and main battery fuse, and main battery is connected with main battery fuse electricity, and the main battery fuse passes through the wire with the output of high frequency switch power supply module and is connected and the output of high frequency switch power is equipped with the switch, the output of main battery fuse is connected and the output of output line electricity is equipped with the switch, output line department is equipped with the contrary diode, be equipped with between the connecting wire of main battery fuse and output line and discharge the module and the front end of the switch of discharge module position in main battery fuse output, discharge the module includes direct current contactor and battery discharge device, battery discharge device passes through the wire with direct current contactor and is connected, the direct current contactor is connected to a connecting lead of the main battery fuse and the output line, and a switch is arranged on a line between the direct current contactor and the connecting leads between the main battery fuse and the output line.
Further, reserve power storage module includes reserve battery group and reserve battery fuse, and the reserve battery group is connected with the reserve battery fuse electricity, and the reserve battery fuse passes through the wire with the output of high frequency switching power module and is connected, the output of reserve battery fuse is connected and the output of reserve battery fuse is equipped with the switch with the output line electricity.
Further, the safety module comprises an arrester and a direct current monitoring device, the arrester is electrically connected with the alternating current main power supply and the alternating current standby power supply, and the direct current monitoring device is electrically connected with the alternating current main power supply, the alternating current standby power supply, the high-frequency switch power supply module and the output line.
Further, a connecting wire of the main electric storage module and the output line is provided with a current meter and a voltmeter.
Furthermore, a current meter and a voltage meter are arranged on the output line.
The working principle and the advantages of the utility model are as follows: this desulfurization UPS's stand-by power supply system reforms transform through the stand-by power supply subassembly to the desulfurization UPS device, install independent charge and discharge module additional, simultaneously for preventing that the desulfurization UPS device from to stand-by power supply subassembly reverse charging, install the contrary diode that ends additional on the output line to this reliability that improves this system guarantees the long-term safe and stable operation of desulfurization UPS device, the life-span of extension stand-by power supply subassembly, reduce the maintenance cost of stand-by power supply subassembly.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
fig. 2 is a structural view of the standby power supply unit of the present invention.
Reference numerals in the drawings of the specification include:
1. the system comprises a standby power supply component, 2, a desulfurization UPS device, 11, an AC main power supply, 12, an AC standby power supply, 13, a lightning arrester, 14, a high-frequency switching power supply module, 15, an output line, 16, a main battery pack, 17, a main battery fuse, 18, a DC contactor, 19, a storage battery discharging device, 110, a standby battery pack, 111, a standby battery fuse, 112, a DC monitoring device and 113, and a non-return diode.
Detailed Description
The following is further detailed by the specific embodiments:
as shown in fig. 1 to 2:
a standby power supply system of a desulfurization UPS comprises a desulfurization UPS device 2 and further comprises a standby power supply assembly 1, wherein the standby power supply assembly 1 is connected with the desulfurization UPS device 2 through a wire, the standby power supply assembly 1 comprises an alternating current input module, an electric energy storage module, a discharging module, an output line 15 and a safety module, the alternating current input module is connected with the electric energy storage module through a wire, the electric energy storage module is connected with the output line 15, the output line 15 is connected with the desulfurization UPS device 2 through a wire, the electric energy storage module is provided with the discharging module, the alternating current input module comprises an alternating current main power supply 11, an alternating current standby power supply 12 and a plurality of high-frequency switch power supply modules 14, the alternating current main power supply 11 is connected with the input end of the high-frequency switch power supply modules 14 through a wire, and the alternating current main power supply 11 is provided with a switch for controlling the on-off of the alternating current main power supply 11, the alternating current standby power supply 12 is connected with the input end of the high-frequency switch power supply module 14 through a lead, a switch for controlling the on-off of the alternating current main standby power supply is arranged at the position of the alternating current standby power supply 12, the electric energy storage module comprises a main electric storage module and a plurality of standby electric storage modules, the main electric storage module and the standby electric storage modules are of the same structure, the main electric storage module comprises a main battery pack 16 and a main battery fuse 17, the main battery pack 16 is electrically connected with the main battery fuse 17, the main battery fuse 17 is connected with the output end of the high-frequency switch power supply module 14 through a lead, a switch is arranged at the output end of the high-frequency switch power supply, the output end of the main battery fuse 17 is electrically connected with an output circuit 15, a switch is arranged at the output circuit 15, a check diode 113 is arranged between the main battery fuse 17 and the connection lead of the output circuit 15, and a discharge module is arranged at the front end of the switch at the output end of the main battery fuse 17, the discharging module comprises a direct current contactor 18 and a storage battery discharging device 19, the storage battery discharging device 19 is connected with the direct current contactor 18 through a lead, the direct current contactor 18 is connected to a connecting lead of the main battery fuse 17 and the output line 15, and a switch is arranged on a line between the connecting leads between the direct current contactor 18 and the main battery fuse 17 and between the direct current contactor 18 and the output line 15.
The desulfurization UPS device 2 is a production device used in a thermal power plant, and is an existing device, and the standby power supply assembly 1 is used for providing standby electric energy for the desulfurization UPS device 2; the alternating current input module is 380V alternating current, the electric energy storage module is a plurality of battery packs, the discharging module is used for direct current discharging, the output line 15 is used for transmitting the electric energy of the electric energy storage module to the desulfurization UPS device 2, and the safety module is used for monitoring the direct current state in the system; the alternating-current main power supply 11 and the alternating-current standby power supply 12 are both 380V alternating current, two groups of alternating current are used as power supplies, so that the system is used for two paths of input power supplies, the power supply input anti-interference performance of the system is enhanced, the high-frequency switching power supply module 14 can process the alternating current and then transmit the processed alternating current to the electric energy storage module, the high-frequency switching power supply module 14 is an existing mature product, and details are not repeated herein; the main electric storage module and the plurality of standby electric storage modules form an electric energy storage module, so that the stability and the anti-interference performance of the direct-current power supply are effectively enhanced; the power supply of the main power storage module is a main battery pack 16, a main battery fuse 17 is used for protecting the main battery pack 16, and the main battery fuse 17 is the existing mature technology and is not described herein again; the non-return diode 113 can prevent the desulfurization UPS device 2 from reversely charging the electric energy storage module through the output line 15; the dc contactor 18 is used for controlling a dc circuit, and the storage battery discharging device 19 can perform a check capacity test on the storage battery pack, continuously set a discharging current, perform constant current discharging according to the set discharging current, monitor the voltage of the storage battery pack during discharging, and measure the capacity of the battery, which is a mature technology in the prior art and is not described herein again.
Reserve power storage module includes reserve battery pack 110 and reserve battery fuse 111, and reserve battery pack 110 is connected with reserve battery fuse 111 electricity, and reserve battery fuse 111 passes through the wire with high frequency switching power module 14's output and is connected, reserve battery fuse 111's output is connected with output line 15 electricity and reserve battery fuse 111's output is equipped with the switch.
The structural functions of the components of the backup power storage module are the same as those of the main power storage module.
The safety module comprises an arrester 13 and a direct current monitoring device 112, wherein the arrester 13 is electrically connected with an alternating current main power supply 11 and an alternating current standby power supply 12, and the direct current monitoring device 112 is electrically connected with the alternating current main power supply 11, the alternating current standby power supply 12, the high-frequency switch power supply module 14 and an output line 15.
The lightning arrester 13 can prevent the input current voltage in the system from being too large, and the direct current monitoring device 112 is used for monitoring the currents of the alternating current main power supply 11, the alternating current standby power supply 12, the high-frequency switching power supply module 14 and the output line 15.
And a connecting wire of the main electric storage module and the output line 15 is provided with a current meter and a voltmeter.
And a current meter and a voltage meter are arranged on the output line 15.
Wherein, a plurality of circuits of the system can be provided with electric monitoring instruments such as an ammeter, a voltmeter and the like to monitor the electric information such as current and voltage at each position in the system.
The switch matched with each module or device can be installed at the module or device, and the switch can be set according to actual use scenes.
This desulfurization UPS's stand-by power supply system reforms transform through stand-by power supply unit 1 to desulfurization UPS device 2, install independent charge-discharge module additional, simultaneously for preventing desulfurization UPS device 2 to stand-by power supply unit 1 reverse charge, install contrary diode 113 that ends additional on output line 15, with this reliability that improves this system, guarantee the long-term safe and stable operation of desulfurization UPS device 2, the life-span of extension stand-by power supply unit 1, reduce stand-by power supply unit 1's maintenance cost.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics of the embodiments is not described herein in any greater extent than that known to persons of ordinary skill in the art at the filing date or before the priority date of the present application, so that all of the prior art in this field can be known and can be applied with the ability of conventional experimental means before this date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the applicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The utility model provides a reserve power supply system of desulfurization UPS, includes desulfurization UPS device which characterized in that: the device is characterized by further comprising a standby power supply assembly, the standby power supply assembly is connected with the desulfurization UPS device through a wire, the standby power supply assembly comprises an alternating current input module, an electric energy storage module, a discharging module, an output line and a safety module, the alternating current input module is connected with the electric energy storage module through a wire, the electric energy storage module is connected with the output line, the output line is connected with the desulfurization UPS device through a wire, the discharging module is arranged at the electric energy storage module, the alternating current input module comprises an alternating current main power supply, an alternating current standby power supply and a plurality of high-frequency switch power supply modules, the alternating current main power supply is connected with the input end of the high-frequency switch power supply module through a wire, a switch for controlling the on-off of the alternating current main power supply is arranged at the alternating current main power supply position, the alternating current standby power supply is connected with the input end of the high-frequency switch power supply module through a wire, and the switch for controlling the on-off of the alternating current main power supply is arranged at the alternating current standby power supply position, the electric energy storage module comprises a main electric storage module and a plurality of standby electric storage modules, the main electric storage module is the same as the standby electric storage modules in structure, the main electric storage module comprises a main battery pack and a main battery fuse, the main battery pack is electrically connected with the main battery fuse, the main battery fuse is connected with the output end of the high-frequency switch power supply module through a wire, the output end of the main battery fuse is electrically connected with an output circuit, a switch is arranged at the output end of the main battery fuse, a check diode is arranged at the output circuit, a discharge module is arranged between the main battery fuse and the connecting wire of the output circuit and positioned at the front end of the switch at the output end of the main battery fuse, the discharge module comprises a direct current contactor and a storage battery discharge device, and the storage battery discharge device is connected with the direct current contactor through a wire, the direct current contactor is connected to a connecting lead of the main battery fuse and the output line, and a switch is arranged on a line between the direct current contactor and the connecting leads between the main battery fuse and the output line.
2. The backup power supply system of a desulfurization UPS of claim 1, characterized in that: reserve power storage module includes reserve battery group and reserve battery fuse, and the reserve battery group is connected with the reserve battery fuse electricity, and the reserve battery fuse passes through the wire with the output of high frequency switching power module and is connected, the output of reserve battery fuse is connected and the output of reserve battery fuse with the output line electricity is equipped with the switch.
3. The backup power supply system of a desulfurization UPS of claim 1, characterized in that: the safety module comprises an arrester and a direct current monitoring device, the arrester is electrically connected with an alternating current main power supply and an alternating current standby power supply, and the direct current monitoring device is electrically connected with the alternating current main power supply, the alternating current standby power supply, the high-frequency switch power supply module and the output line.
4. The backup power supply system of a desulfurization UPS of claim 1, characterized in that: and a connecting wire of the main electric storage module and the output line is provided with a current meter and a voltmeter.
5. The backup power supply system of a desulfurization UPS of claim 1, characterized in that: and the output circuit is provided with a current meter and a voltmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121883788.7U CN215835190U (en) | 2021-08-12 | 2021-08-12 | Standby power supply system of desulfurization UPS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121883788.7U CN215835190U (en) | 2021-08-12 | 2021-08-12 | Standby power supply system of desulfurization UPS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215835190U true CN215835190U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121883788.7U Expired - Fee Related CN215835190U (en) | 2021-08-12 | 2021-08-12 | Standby power supply system of desulfurization UPS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215835190U (en) |
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2021
- 2021-08-12 CN CN202121883788.7U patent/CN215835190U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |