CN107565836A - Portable metering special power box - Google Patents
Portable metering special power box Download PDFInfo
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- CN107565836A CN107565836A CN201710968575.6A CN201710968575A CN107565836A CN 107565836 A CN107565836 A CN 107565836A CN 201710968575 A CN201710968575 A CN 201710968575A CN 107565836 A CN107565836 A CN 107565836A
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Abstract
The present invention discloses a kind of Portable metering special power box, including casing, and casing is provided with exchange 100V output ends, alternating current 220V output end, alternating voltage output display screen, contravariant transformer switch, Vehicular direct-current power input terminal etc.；Contravariant transformer, fuse, transformer are provided with casing；Contravariant transformer one end is connected to Vehicular direct-current power input terminal and alternating current 220V input terminal, and the other end is connected with fuse, alternating current 220V output end；Transformer one end connection exchange 100V output ends, the other end are connected with alternating current 220V output end, alternating voltage output dip switch respectively.Compact structure of the present invention is flexible, is easy to carry and accesses, and power input, output disclosure satisfy that different occasions use；For to the high experimental rig in the low school of transformer provide it is convenient, stably, qualified power supply export, and take into account power consumer load control terminal, concentrator and collector debugging, measure the efficiency checked and accepted so as to improve new clothes user.
Description
Technical field：
The invention belongs to electrical equipment technical field, more particularly to a kind of Portable metering special power box.
Background technology：
When new clothes power consumer situ metrology transformer error is examined and determine, often because experiment power supply access it is difficult and caused by
Experiment can not carry out or test efficiency is low.Along with the strengthened research of power information acquisition system, the collection of new clothes power consumer
Reached the standard grade to the acquisition terminal influence of rate of terminal and concentrator, the field adjustable of collector can not be ignored.Gathered with power information
The strengthened research of system, how electric power meter install wiring after in time debugging acquisition terminal, can be used family power transmission after eventually
End gathers electric energy meter information data and is sent to acquisition system main website at once, avoids examining testing staff, dress table to meet electric personnel, adopt
Collection operation maintenance personnel repeats to run away, and improves the examination efficiency of electric power meter, above site problems are required for being resolved as early as possible.
Therefore, the debugging needed badly as special transformer terminals, concentrator and collector provide it is convenient, stably, the output of qualified power supply, develop one
Kind Portable metering special power box.
The content of the invention：
The problem of in order to overcome prior art to exist, the present invention provide a kind of Portable metering special power box, can be to mutual
That the high experimental rig in the low school of sensor provides is convenient, stably, the output of qualified power supply, and take into account power consumer load control terminal, collection
Middle device and collector debugging.
In order to solve the above technical problems, the present invention takes following technical scheme：
A kind of Portable metering special power box, including casing, the casing are provided with exchange 100V output ends, exchange
220V output ends, alternating voltage output display screen, contravariant transformer switch, Vehicular direct-current power input terminal, alternating voltage are defeated
Go out switching switch and alternating current 220V input terminal；It is provided with contravariant transformer in the casing, fuse, transformer, outside casing
It is equipped with alternating current 220V experiment power supply and exchanges 100V experiment power supplies；Wherein, described contravariant transformer one end is connected on casing
Vehicular direct-current power input terminal and alternating current 220V input terminal, the other end and the alternating current 220V output end on fuse, casing
It is connected；Exchange 100V output ends on described transformer one end connection casing, the other end respectively with alternating current 220V output end, inverse
Become transformer switch, alternating voltage output dip switch is connected.
Above-mentioned contravariant transformer is connected with inverter, and the inverter uses vehicle power 12V, its inversion transformation
The main function of device is to change vehicle power 12V to alternating current 220V.
Further, above-mentioned fuse uses fuse tube of the blowout current for 2A, and major function is that limitation loop current is big
It is small, prevent vehicle-mounted contravariant transformer or burn automobile interior power fuse, winding displacement, play circuit protection effect, its premise exists
In the power of selected contravariant transformer be about 300W.
Further, above-mentioned transformer is connected in parallel with alternating current 220V output end, alternating voltage output dip switch, and it is led
It is that the 220V after vehicle-mounted inversion can be changed into 100V power supplys to want function, for being used when field electric energy table, acquisition terminal debugging.
The operation principle of Portable metering special power box of the present invention：By being connected with the storage battery on automobile, make automobile electric
Direct current (12V) on bottle is converted to alternating current 220V or 100V, 220V power supplys, the feelings without vehicle-mounted inversion at the scene then be present
Under condition, can free switching, directly provide 100V AC powers for acquisition terminal debugging use.
The beneficial effects of the present invention are：
1) this Portable metering special power box power supply architecture is compact and flexible, is easy to carry；Stable friendship can be provided simultaneously
Flow 220V and 100V outputs；Power input, output disclosure satisfy that no temporary source, temporary source be not easy to access, temporary source not
The different occasions such as stable use, and conveniently accessible；Power supply is in use without security risk.
2) non-transformer when the Portable metering special power box is mainly used in new clothes custom power mutual inductor field detecting
In the case of, using vehicular power-bottle provide it is convenient, stably, qualified 220V AC powers export, simultaneously, it is possible to provide 100V alternating currents
Source is used for the debugging of new clothes customer charge control terminal and electric energy meter, improves new clothes user and measures examination efficiency.
3) low manufacture cost of the Portable metering special power box, disposable metering can be achieved and check and accept, therefore, greatly
Artificial, transport, safety cost are saved, there is certain application value.
Brief description of the drawings：
Fig. 1 is Portable metering special power box external structure schematic diagram of the present invention；
Fig. 2 is Portable metering special power box internal circuit connection figure of the present invention；
In figure：1- exchanges 100V output ends, 2- alternating current 220V output ends, 3- alternating voltage output display screens, 4- inversions change
Depressor switchs, 5- Vehicular direct-current power input terminals, 6- alternating voltage output dip switch, 7- alternating current 220V input terminals, 8-
Contravariant transformer, 9- fuses, 10- transformers.
Embodiment：
Technical scheme is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of Portable metering special power box, including casing, the casing are provided with exchange
100V output ends 1, alternating current 220V output end 2, alternating voltage output display screen 3, contravariant transformer switch 4, Vehicular direct-current power supply
Input terminal 5, alternating voltage output dip switch 6 and alternating current 220V input terminal 7；Contravariant transformer is provided with the casing
8, fuse 9, transformer 10, it is equipped with alternating current 220V experiment power supply and exchanges 100V experiment power supplies outside casing；Wherein, the inversion
The one end of transformer 8 is connected to Vehicular direct-current power input terminal 5 and alternating current 220V input terminal 7 on casing, and the other end is with melting
Alternating current 220V output end 2 on disconnected device 9, casing is connected；Exchange 100V outputs on the one end of transformer 10 connection casing
End 1, the other end are connected with alternating current 220V output end 2, contravariant transformer switch 4, alternating voltage output dip switch 6 respectively；
The contravariant transformer 8 is connected with the vehicle power 220V of inverter.
When being used for the debugging of special transformer terminals, concentrator and collector using the Portable metering special power box, specific work
It is as follows to make principle：
1) scene, using vehicular power-bottle (12V, DC) as input 1, passes through contravariant transformer 8 without under any power conditions
Afterwards, effectively 1 (220V, AC) of output is can obtain, the low high mutual-inductor tester in school can be directly driven and carry out electric power mutual-inductor error examination
Test；Meanwhile can obtain effectively exporting 2 (100V, AC) by transformer 10, the communication for acquisition terminal and electric energy meter is debugged；
2) there are 220V AC-testing supplies at scene, but the debugging of acquisition terminal uses exchange 100V experiment power supplies, can
Input 2 is used as by live 220V, directly obtains effectively exporting 2 (100V, AC) by transformer 10.
Points for attention：The power supply box makes contravariant transformer 8 export exchange when working by voltage output switching switch 6
100V working condition will not occur simultaneously with being directly depressured by alternating current 220V for 100V operating mode, and straight by alternating current 220V
Connect under operating mode when decompression is 100V, the output end of protection contravariant transformer 8 is isolated with the reliable of 220V power supplys.
In actual use, the operating method of the Portable metering special power box is：
1) in-car cigar lighter socket power supply or automobile storage battery power supply are passed through into the Vehicular direct-current electricity below the special power box
The swivel joint of source input terminal 5 accesses power supply box；
2) contravariant transformer switch 4 is opened, adjusts alternating voltage output dip switch 6, now, alternating voltage output display
The magnitude of voltage of the display corresponding power socket of screen 3.
The power of the Portable metering special power box<300W, inside is provided with the 2A fuse tubes of protection, during access bearers
Need to select in strict accordance with power match, in order to avoid burn vehicle power case.Secondly, it is additionally provided with ground connection on the power box body shell
Terminal, reliable ground is answered during use, prevent the person or equipment harm.
Claims (6)
1. a kind of Portable metering special power box, including casing, it is characterised in that：The casing is provided with exchange 100V outputs
Hold (1), alternating current 220V output end (2), alternating voltage output display screen (3), contravariant transformer switch (4), Vehicular direct-current power supply
Input terminal (5), alternating voltage output dip switch (6) and alternating current 220V input terminal (7)；Inversion is provided with the casing
Transformer (8), fuse (9), transformer (10), casing are equipped with alternating current 220V experiment power supply and exchange 100V experiment power supplies outside；
Wherein, described contravariant transformer (8) one end is connected to the Vehicular direct-current power input terminal (5) on casing and alternating current 220V input
Terminal (7), the other end are connected with the alternating current 220V output end (2) on fuse (9), casing；Described transformer (10) one end
The exchange 100V output ends (1) on casing are connected, the other end switchs with alternating current 220V output end (2), contravariant transformer respectively
(4), alternating voltage output dip switch (6) is connected.
2. Portable metering special power box according to claim 1, it is characterised in that：The transformer (10) is with exchanging
220V output ends (2), alternating voltage output dip switch (6) are connected in parallel.
3. Portable metering special power box according to claim 1, it is characterised in that：The contravariant transformer (8) with
Inverter is connected, and the inverter uses vehicle power 12V, and its role is to change vehicle power 12V to exchange
220V。
4. the Portable metering special power box according to claim 1 or 3, it is characterised in that：The contravariant transformer (8)
Power be 300W.
5. Portable metering special power box according to claim 1, it is characterised in that：The fuse (9) is using molten
The fuse tube that power-off stream is 2A.
6. Portable metering special power box according to claim 1, it is characterised in that：The shell of the casing is provided with
Ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968575.6A CN107565836A (en) | 2017-10-18 | 2017-10-18 | Portable metering special power box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968575.6A CN107565836A (en) | 2017-10-18 | 2017-10-18 | Portable metering special power box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107565836A true CN107565836A (en) | 2018-01-09 |
Family
ID=60986387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710968575.6A Pending CN107565836A (en) | 2017-10-18 | 2017-10-18 | Portable metering special power box |
Country Status (1)
| Country | Link |
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| CN (1) | CN107565836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444770A (en) * | 2019-08-30 | 2021-03-05 | 国网山东省电力公司东营市东营区供电公司 | Electric power metering device inspection box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201018297Y (en) * | 2007-02-27 | 2008-02-06 | 张国庆 | Field vehicle-mounted charging type portable B-ultrasonic machine uninterruptible power supply apparatus |
| CN201032693Y (en) * | 2007-03-05 | 2008-03-05 | 深圳市新未来电源技术有限公司 | Modularization parallel power dedicated UPS power supply device |
| CN103472274A (en) * | 2013-09-23 | 2013-12-25 | 国网安徽省电力公司淮南供电公司 | Portable electric energy measurement terminal experiment power source |
| CN203813670U (en) * | 2013-12-25 | 2014-09-03 | 国家电网公司 | Multiple voltage output electric energy meter on-site power supply apparatus |
| CN207426991U (en) * | 2017-10-18 | 2018-05-29 | 国网宁夏电力公司培训中心 | Portable metering special power box |
-
2017
- 2017-10-18 CN CN201710968575.6A patent/CN107565836A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201018297Y (en) * | 2007-02-27 | 2008-02-06 | 张国庆 | Field vehicle-mounted charging type portable B-ultrasonic machine uninterruptible power supply apparatus |
| CN201032693Y (en) * | 2007-03-05 | 2008-03-05 | 深圳市新未来电源技术有限公司 | Modularization parallel power dedicated UPS power supply device |
| CN103472274A (en) * | 2013-09-23 | 2013-12-25 | 国网安徽省电力公司淮南供电公司 | Portable electric energy measurement terminal experiment power source |
| CN203813670U (en) * | 2013-12-25 | 2014-09-03 | 国家电网公司 | Multiple voltage output electric energy meter on-site power supply apparatus |
| CN207426991U (en) * | 2017-10-18 | 2018-05-29 | 国网宁夏电力公司培训中心 | Portable metering special power box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444770A (en) * | 2019-08-30 | 2021-03-05 | 国网山东省电力公司东营市东营区供电公司 | Electric power metering device inspection box |
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