CN216564958U - DC maintenance power supply device powered by double power supplies - Google Patents
DC maintenance power supply device powered by double power supplies Download PDFInfo
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- CN216564958U CN216564958U CN202122504207.0U CN202122504207U CN216564958U CN 216564958 U CN216564958 U CN 216564958U CN 202122504207 U CN202122504207 U CN 202122504207U CN 216564958 U CN216564958 U CN 216564958U
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- 238000012423 maintenance Methods 0.000 title abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 230000009977 dual effect Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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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Abstract
A direct-current maintenance power supply device powered by double power supplies comprises a start-stop switch and a touch screen, wherein the start-stop switch is connected with the touch screen, and a main power supply incoming line connector and a standby power supply incoming line connector are connected with an automatic double-power-supply changeover switch; the double-power-supply automatic transfer switch is connected with the incoming line breaker, and the incoming line breaker is connected with the IGBT rectification module; the incoming line alternating current voltmeter and the incoming line alternating current ammeter are connected with the incoming line breaker; the outgoing line breaker is connected with the IGBT rectifying module, and the direct current output socket is connected with the outgoing line breaker and outputs a direct current power supply; the outgoing line direct current voltmeter and the outgoing line direct current ammeter are connected with the outgoing line breaker and used for displaying direct current outgoing line voltage and current; the voltage and current monitoring board is connected with an incoming line alternating current voltmeter, an incoming line alternating current ammeter, an outgoing line direct current voltmeter and an outgoing line direct current ammeter; the touch screen is connected with the main control panel for information exchange; the power module is connected with the touch screen and the main control panel, and the main control panel is connected with the current monitoring panel.
Description
Technical Field
The utility model relates to the electrical field, in particular to a dual-power-supply direct-current maintenance power supply device.
Background
The DC power supply for overhaul is a device capable of providing DC power supply, is used for providing temporary DC power supply for work such as on-site overhaul, test and the like, and is widely applied to production overhaul sites in various fields at home and abroad at present. During shutdown and overhaul of a nuclear power plant unit, work related to a plurality of mainlines can be smoothly carried out by means of a direct-current overhaul power supply, the voltage level provided by a direct-current overhaul power supply box used in the current nuclear power plant is single, namely, one overhaul power supply box can only provide 24V or 48V or 110V direct-current power supply, part of field work can be smoothly carried out by means of a plurality of direct-current overhaul power supply boxes, the existing overhaul power supply box only supports one path of upstream power supply, and direct-current power supply interruption can often occur when the upstream power supply of the direct-current overhaul power supply box loses power, so that a direct-current overhaul power supply device which is wide in power supply voltage level range and more reliable in power supply is needed to improve the working efficiency.
Disclosure of Invention
The utility model aims to: the direct-current maintenance power supply device with the double power supplies can improve the power supply reliability of the direct-current maintenance power supply box, can solve the problem that the conventional direct-current maintenance power supply box is single in power supply voltage level, and improves the field work efficiency.
The technical scheme of the utility model is as follows: a direct-current maintenance power supply device powered by double power supplies comprises a start-stop switch and a touch screen, wherein the start-stop switch is connected with the touch screen, and a main power supply incoming line connector and a standby power supply incoming line connector are connected with an automatic double-power-supply changeover switch; the double-power-supply automatic transfer switch is connected with the incoming line breaker, and the incoming line breaker is connected with the IGBT rectification module; the incoming line alternating current voltmeter and the incoming line alternating current ammeter are connected with the incoming line breaker; the outgoing line breaker is connected with the IGBT rectifying module, and the direct current output socket is connected with the outgoing line breaker and outputs a direct current power supply; the outgoing line direct current voltmeter and the outgoing line direct current ammeter are connected with the outgoing line breaker and used for displaying direct current outgoing line voltage and current; the voltage and current monitoring board is connected with an incoming line alternating current voltmeter, an incoming line alternating current ammeter, an outgoing line direct current voltmeter and an outgoing line direct current ammeter; the touch screen is connected with the main control panel for information exchange; the power module is connected with the touch screen and the main control panel, and the main control panel is connected with the current monitoring panel.
The device comprises a device shell, a start-stop switch, a main power supply incoming line connector, a standby power supply incoming line connector, a touch screen, a dual-power supply automatic transfer switch, an incoming line breaker, an incoming line alternating-current voltmeter, an incoming line alternating-current ammeter, an outgoing line breaker, an outgoing line direct-current voltmeter, an outgoing line direct-current ammeter, a direct-current output plug, a main control panel, an IGBT rectification module, a voltage and current monitoring panel and a power supply module, wherein the device shell is arranged in the device shell.
The bottom of the device shell is provided with universal wheels.
The universal wheels 13 are two in total.
The universal wheels 13 are plural in number.
The DC output sockets are two in number.
The utility model has the following remarkable effects:
the device can output 0-110V direct current voltage according to actual field requirements, complete the termination of a dual-power incoming line, the closing of an incoming line breaker and the starting and stopping of a switch, can set output voltage on the touch screen, can normally work after the setting is completed and the 'output starting' is clicked, and displays related alarm and stops voltage output once under voltage, overcurrent and other abnormalities occur in the voltage output period.
Compared with the existing direct current maintenance power supply box which can only provide direct current voltage with single voltage level and only provides power by one power supply, the direct current maintenance power supply device with double power supplies provided by the utility model can provide direct current voltage with adjustable voltage level of 0-110V, and the device is powered by double power supplies, so that the power supply reliability is higher.
Drawings
FIG. 1 is a front view of the present invention;
in the figure: 1-start-stop switch, 2-main power supply inlet port, 3-standby power supply inlet port, 4-touch screen, 5-double power supply automatic transfer switch, 6-inlet line breaker, 7-inlet line alternating current voltmeter, 8-inlet line alternating current ammeter, 9-outlet line breaker, 10-outlet line direct current voltmeter, 11-outlet line direct current ammeter, 12-direct current output socket, 13, universal wheel, 14 and device shell
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
As shown in fig. 1, a dual power supply dc overhaul power supply device mainly includes a start-stop switch 1, a main power incoming line connector 2, a standby power incoming line connector 3, a touch screen 4, a dual power automatic transfer switch 5, an incoming line breaker 6, an incoming line ac voltmeter 7, an incoming line ac ammeter 8, an outgoing line breaker 9, an outgoing line dc voltmeter 10, an outgoing line dc ammeter 11, a dc output plug 12, a universal wheel 13, a device shell 14, a main control board 15, an IGBT rectification module 16, a voltage and current monitoring board 17, a power module 18 and other components, and the connection relationship is as follows:
the start-stop switch 1 is connected with the touch screen 4 and is used for controlling the power-on start and the power-off stop of the whole system; the main power supply inlet wire joint 2 and the standby power supply inlet wire joint 3 are connected with the dual-power automatic change-over switch 5 and respectively provide a main power supply and a standby power supply for the dual-power automatic change-over switch 5; the double-power-supply automatic transfer switch 5 is connected with the incoming line breaker 6, and the incoming line breaker 6 is connected with the IGBT rectification module 16 to provide an alternating current power supply for the IGBT rectification module 16; the incoming line alternating current voltmeter 7 and the incoming line alternating current ammeter 8 are connected with the incoming line breaker 6 and used for displaying alternating incoming line voltage and current; the outgoing line breaker 9 is connected with the IGBT rectification module 16, and the direct current output socket 12 is connected with the outgoing line breaker 9 to output a direct current power supply; the outgoing line direct current voltmeter 10 and the outgoing line direct current ammeter 11 are connected with the outgoing line breaker 9 and used for displaying direct current outgoing line voltage and current; the voltage and current monitoring board 17 is connected with an incoming line alternating current voltmeter 7, an incoming line alternating current ammeter 8, an outgoing line direct current voltmeter 10 and an outgoing line direct current ammeter 11 and is used for collecting alternating current incoming line voltage, current and direct current outgoing line voltage and current; the touch screen 4 is connected with the main control panel 15 for information exchange; the power module 18 is connected with the touch screen 4, the main control panel 15 and the voltage and current monitoring panel 17 to provide a direct current working power supply.
The power supply of the double-power-supply change-over switch 5 is taken from a main incoming line source 2 and a standby incoming line power supply 3, the main incoming line source 2 supplies power to the device under normal conditions, and when the main incoming line source 2 loses power, the double-power-supply automatic change-over switch 5 automatically changes over to the standby power supply 3 to supply power; the touch screen 4 is programmed with a configuration, the configuration comprises a control part and a display part, the control part comprises functions of setting output voltage, starting, suspending and the like, and the display part comprises information of input current, output current, alarming and the like; the touch screen 4 issues an output voltage instruction to the main control board 15, the main control board 15 issues a pulse trigger instruction to the IGBT rectification module to output direct current voltage, and the voltage and current monitoring board 17 detects signals such as voltage and current and feeds back the signals to the main control board 15.
A use method of a dual-power-supply direct-current maintenance power supply device comprises the following steps:
s1: respectively connecting a main wire inlet source and a standby wire inlet power supply to a main power supply wire inlet joint 2 and a standby power supply wire inlet joint 3;
s2: the main incoming line source and the standby incoming line power supply upstream power supply are powered on, the incoming line breaker 6 is closed, and the incoming line voltmeter 7 and the ammeter 8 are checked to display normally;
s3: turning on the start-stop switch 1 to an on position, checking that parameters such as voltage, current and the like on the touch screen 4 are displayed normally and no alarm exists;
s4: closing the outgoing line breaker 9, checking that the outgoing line voltmeter 10 and the ammeter 11 are displayed as 0, and normally displaying parameters such as voltage and current on the touch screen 4 without alarming;
s5: setting output voltage on the touch screen, finishing the setting and clicking 'start output' to normally output the voltage;
s6: the output display of the outlet voltmeter 10 is consistent with the set value, and the parameters of voltage, current and the like on the touch screen 4 are checked to be displayed normally without alarming;
s7: the electric load wiring plug is inserted into the direct current output plug 12 to get electricity.
The basic principles, essential features and advantages of the utility model are shown and described above, and any person skilled in the art can substitute or change the technical solution of the utility model and its conception within the technical scope of the patent disclosure, and the technical solution and the concept of the utility model should be covered by the protection scope of the utility model.
Claims (6)
1. The utility model provides a dual power supply's direct current overhauls power supply unit which characterized in that: the power supply system comprises a start-stop switch (1) and a touch screen (4), wherein the start-stop switch (1) is connected with the touch screen (4), and a main power supply incoming line connector (2) and a standby power supply incoming line connector (3) are connected with a dual-power automatic transfer switch (5); the double-power-supply automatic transfer switch (5) is connected with the incoming line breaker (6), and the incoming line breaker (6) is connected with the IGBT rectification module (16); the incoming line alternating current voltmeter (7) and the incoming line alternating current ammeter (8) are connected with the incoming line breaker (6); the outgoing line breaker (9) is connected with the IGBT rectification module (16), and the direct current output socket (12) is connected with the outgoing line breaker (9) and outputs a direct current power supply; the outgoing line direct current voltmeter (10) and the outgoing line direct current ammeter (11) are connected with the outgoing line breaker (9) and are used for displaying direct current outgoing line voltage and current; the voltage and current monitoring plate (17) is connected with an incoming line alternating current voltmeter (7), an incoming line alternating current ammeter (8), an outgoing line direct current voltmeter (10) and an outgoing line direct current ammeter (11); the touch screen (4) is connected with the main control panel (15) for information exchange; the power module (18) is connected with the touch screen (4) and the main control panel (15), and the main control panel (15) is connected with the current monitoring panel (17).
2. The dual power supply dc service power supply apparatus of claim 1, wherein: the device is characterized by further comprising a device shell (14), wherein the start-stop switch (1), the main power incoming line connector (2), the standby power incoming line connector (3), a touch screen (4), a dual-power automatic transfer switch (5), an incoming line breaker (6), an incoming line alternating current voltmeter (7), an incoming line alternating current ammeter (8), an outgoing line breaker (9), an outgoing line direct current voltmeter (10), an outgoing line direct current ammeter (11), a direct current output plug (12), a main control panel (15), an IGBT rectification module (16), a voltage and current monitoring board (17) and a power module (18) are all located in the device shell (14).
3. The dual power supply dc service power supply apparatus of claim 2, wherein: the bottom of the device shell (14) is provided with a universal wheel (13).
4. A dual power supply powered dc service power supply unit as claimed in claim 3, wherein: the universal wheels (13) are two in total.
5. A dual power supply powered dc service power supply unit as claimed in claim 3, wherein: the universal wheels (13) are shared in plurality.
6. The dual power supply dc service power supply apparatus of claim 1, wherein: the number of the direct current output sockets (12) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122504207.0U CN216564958U (en) | 2021-10-18 | 2021-10-18 | DC maintenance power supply device powered by double power supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122504207.0U CN216564958U (en) | 2021-10-18 | 2021-10-18 | DC maintenance power supply device powered by double power supplies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216564958U true CN216564958U (en) | 2022-05-17 |
Family
ID=81566603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122504207.0U Active CN216564958U (en) | 2021-10-18 | 2021-10-18 | DC maintenance power supply device powered by double power supplies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216564958U (en) |
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2021
- 2021-10-18 CN CN202122504207.0U patent/CN216564958U/en active Active
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