CN202475294U - Phase sequence automatic correcting device for power supply box - Google Patents
Phase sequence automatic correcting device for power supply box Download PDFInfo
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- CN202475294U CN202475294U CN 201220074581 CN201220074581U CN202475294U CN 202475294 U CN202475294 U CN 202475294U CN 201220074581 CN201220074581 CN 201220074581 CN 201220074581 U CN201220074581 U CN 201220074581U CN 202475294 U CN202475294 U CN 202475294U
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- phase
- pin
- phase sequence
- contactor
- optocoupler
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- 238000000819 phase cycle Methods 0.000 title claims abstract description 39
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 abstract description 4
- 206010014357 Electric shock Diseases 0.000 abstract description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model relates to a phase sequence automatic correcting device for a power supply box. The phase sequence automatic correcting device provided by the utility model consists of a phase sequence sampling circuit, a CPU (Central Processing Unit), an amplifying circuit, an air switch SM, a contactor KM1 and a contactor KM2; and the phase sequence sampling circuit consists of optical couplers G01-G03, capacitors C1-C3, diodes D1-D3 and resistors R1-R6. A phase sequence correcting circuit is arranged inside the phase sequence correcting device provided by the utility model. The various problems existing when a person accesses a power source, such as electric shock risk, inconvenience in phase sequence changeover and the like, can be solved through inner automatic identification and correction to complete automatic rectification. The phase sequence automatic correcting device provided by the utility model innovatively uses full-insulating plug and socket, so as to achieve the reliable security protection property. When an upper cover of the phase sequence automatic correcting device provided by the utility model is closed downwards, an inclined seam is formed with an inclined face at the edge of a panel, so that a waterproof bent structure is formed by pressing and bending a power supply lead wire, and the waterproof function is realized. A magnetic suction device is arranged at the bottom, so that a box body can be firmly adhered on various shells of power equipment in the use process. A grounding terminal bar is arranged at one side of an inserting opening of the power supply box, so that the electric equipment and the electric tools are convenient to ground. The phase sequence automatic correcting device provided by the utility model has the advantages of automatic phase correction, insulating water prevention, convenience in arrangement, safety in operation and the like, and has a good popularization value.
Description
Technical field
The utility model relates to a kind of phase sequence automatic correction apparatus that is used for power supply box.
Background technology
In each item work such as the maintenance of power equipment, electrical test, instrument check, use power supply box through regular meeting.Existing power supply box joint adopts old-fashioned binding post, and the metallic conduction position is exposed more, has the bigger personnel hidden danger of getting an electric shock; Relate to the phase sequence transfer problem in the part course of work in addition, need frequent switching power supply wiring, use inconvenience in the course of work, influence operating efficiency, also increased potential safety hazard.
The utility model content
The utility model technical problem to be solved provides a kind of can identification automatically and the automatic more phase sequence automatic correction apparatus that is used for power supply box of positive phase sequence.
The utility model adopts following technical scheme:
The utility model comprises by phase sequence sample circuit, CPU, amplifying circuit, air switch SM, contactor KM1, contactor KM2 and forming; Described phase sequence sample circuit is made up of optocoupler GO1-GO3, capacitor C 1-C3, diode D1-D3, resistance R 1-R6; 1 pin of described optocoupler GO1 and 2 ends that meet air switch SM after diode D1, capacitor C 1 are connected; 2 pin of described optocoupler GO1 are through resistance R 1 ground connection, and 3 pin of described optocoupler GO1 connect+12V, and 4 pin of described optocoupler GO1 connect through resistance R 4 and connect the CPU corresponding input end; 1 pin of described optocoupler GO2 and 4 ends that meet air switch SM after inductance D2, capacitor C 2 are connected; 2 pin of described optocoupler GO2 are through resistance R 2 ground connection, and 3 pin of described optocoupler GO2 connect+12V, and 4 pin of described optocoupler GO2 connect through resistance R 5 and connect the CPU corresponding input end; 1 pin of described optocoupler GO3 and 6 ends that meet air switch SM after inductance D3, capacitor C 3 are connected; 2 pin of described optocoupler GO3 are through resistance R 3 ground connection, and 3 pin of described optocoupler GO3 connect+12V, and 4 pin of described optocoupler GO3 connect through resistance R 6 and connect the CPU corresponding input end; Described amplifying circuit is made up of optocoupler GO4-GO5, resistance R 7-R10; 1 pin of optocoupler GO4 connect the corresponding output of CPU through R7; 3 pin of described optocoupler GO4 meet contactor KM1 through R9; 2 pin of described optocoupler GO4 and 4 pin ground connection; 1 pin of described optocoupler GO5 connects the corresponding output of CPU through R8, and 3 pin of described optocoupler GO5 meet contactor KM2 through R10,2 pin of described optocoupler GO5 and 4 pin ground connection; The coil input end of described contactor KM1 and KM2 connects+12V; 1,3,5 ends of described air switch SM connect AI phase, BI phase, CI phase respectively; KM1-1 connects the A0 phase to 2 ends of described air switch SM through the contact of contactor KM1; KM2-1 connects the C0 phase to 2 ends of described air switch SM through the contact of contactor KM2; KM1-2 connects the B0 phase to 4 ends of described air switch SM through the contact of contactor KM1, and KM2-2 connects the B0 phase to 4 ends of described air switch SM through the contact of contactor KM2, and KM1-3 connects the C0 phase to 6 ends of described air switch SM through the contact of contactor KM1; KM2-3 connects the A0 phase to 6 ends of described air switch SM through the contact of contactor KM2, and described A1 phase, B1 phase, C1 join and exchange 380V.
The good effect of the utility model is following:
The utility model is built-in phase sequence correction circuit is accomplished the automatic correction of phase sequence through its inner identification automatically, corrigendum, exists electric shock risk and phase sequence to switch multinomial problems such as inconvenience when the personnel of having solved access power supply.The utility model novelty ground adopts all insulation plug, socket, possesses reliable security protection performance; After closing under this novel loam cake, form inclined slot with the face plate edge inclined-plane, power supply lead wire is bent constitutes waterproof kinking structure, thereby realizes water-proof function; Its bottom is provided with the magnetic device, can make the casing secure fit during use on all kinds of power equipment shells.Socket one side at power supply box is provided with grounding terminal block, made things convenient for the ground connection of electric equipment, electric tool.This device possesses advantages such as entangling phase, insulative water-proof, arrangement convenience, handling safety automatically, has excellent generalization values.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Accompanying drawing 2 is the closed condition structural representation of the utility model.
Accompanying drawing 3 is the phase sequence control circuit schematic diagram of the utility model.
Embodiment
Shown in accompanying drawing 1-3, the utility model comprises a kind of phase sequence automatic correction apparatus that is used for power supply box, it is characterized in that it comprises power supply box casing 1, power supply box cover plate 6 and is arranged at the phase sequence control circuit in the power supply box casing 1; Described power supply box casing 1 panel is provided with the control switch that the storage wire casing 2, the three-phase that have power line 8 entangle the direct-connected output of phase output terminal 3, three-phase 4, single-phase output 5, grounding terminal block 7 and be used to control corresponding output; Three corresponding ports that described three-phase entangles phase output terminal 3 connect A phase output terminal, B phase output terminal, C phase output terminal respectively; The corresponding port of the direct-connected output 4 of described three-phase connects A phase input, B phase input, C phase input respectively, and described single-phase output 5 connects A phase input; Described phase sequence control circuit is made up of phase sequence sample circuit, CPU, amplifying circuit, air switch SM, contactor KM1, contactor KM2; Described phase sequence sample circuit is made up of optocoupler GO1-GO3, capacitor C 1-C3, diode D1-D3, resistance R 1-R6; 1 pin of described optocoupler GO1 and 2 ends that meet air switch SM after diode D1, capacitor C 1 are connected; 2 pin of described optocoupler GO1 are through resistance R 1 ground connection, and 3 pin of described optocoupler GO1 connect+12V, and 4 pin of described optocoupler GO1 connect through resistance R 4 and connect the CPU corresponding input end; 1 pin of described optocoupler GO2 and 4 ends that meet air switch SM after inductance D2, capacitor C 2 are connected; 2 pin of described optocoupler GO2 are through resistance R 2 ground connection, and 3 pin of described optocoupler GO2 connect+12V, and 4 pin of described optocoupler GO2 connect through resistance R 5 and connect the CPU corresponding input end; 1 pin of described optocoupler GO3 and 6 ends that meet air switch SM after inductance D3, capacitor C 3 are connected; 2 pin of described optocoupler GO3 are through resistance R 3 ground connection, and 3 pin of described optocoupler GO3 connect+12V, and 4 pin of described optocoupler GO3 connect through resistance R 6 and connect the CPU corresponding input end; Described amplifying circuit is made up of optocoupler GO4-GO5, resistance R 7-R10; 1 pin of optocoupler GO4 connect the corresponding output of CPU through R7; 3 pin of described optocoupler GO4 meet contactor KM1 through R9; 2 pin of described optocoupler GO4 and 4 pin ground connection; 1 pin of described optocoupler GO5 connects the corresponding output of CPU through R8, and 3 pin of described optocoupler GO5 meet contactor KM2 through R10,2 pin of described optocoupler GO5 and 4 pin ground connection; The coil input end of described contactor KM1 and KM2 connects+12V; 1,3,5 ends of described air switch SM connect AI phase, BI phase, CI phase respectively; KM1-1 connects the A0 phase to 2 ends of described air switch SM through the contact of contactor KM1; KM2-1 connects the C0 phase to 2 ends of described air switch SM through the contact of contactor KM2; KM1-2 connects the B0 phase to 4 ends of described air switch SM through the contact of contactor KM1, and KM2-2 connects the B0 phase to 4 ends of described air switch SM through the contact of contactor KM2, and KM1-3 connects the C0 phase to 6 ends of described air switch SM through the contact of contactor KM1; KM2-3 connects the A0 phase to 6 ends of described air switch SM through the contact of contactor KM2, and described A1 phase, B1 phase, C1 join and exchange 380V; Described power supply box casing 1 forms line outlet 9 with the openend of power supply box cover plate 6, and panel lower end to line outlet 9 places of described power supply box casing 1 are oblique setting; The plug interface place of the power line 8 in the described storage wire casing 2 is provided with insulating sheath 10; Described power supply box casing 1 bottom is provided with magnet 11.
Described CPU model is STC 11F04E.
The course of work of the utility model is following;
After the utility model inserted power supply, the built-in sampling A of phase sequence conversion equipment can be carried out sampling analysis to the three-phase input end phase sequence.CPU can judge through the data that the phase sequence sample circuit provides, and through control A.C. contactor KM1 and KM2 wire loop the out-put supply phase sequence corrected.If what insert is the positive sequence power supply, then CPU control KM1 contactor adhesive, out-put supply is a positive sequence.If what insert is the inverted sequence power supply, then CPU control KM2 contactor adhesive, out-put supply still is a positive sequence.
Simultaneously, CPU also can control through the button on the panel, between contactor KM1 and KM2, is selected according to the phase sequence and the panel operation of input power supply by CPU, confirms that with this out-put supply and input power supply are positive phase sequence or negative-phase sequence.
Bare wire is not all adopted in all power supply junctions of the utility model, and external power source links to each other with power supply box through blind plug.All through switch control, the part three-phase socket carries out phase sequence correction through the phase sequence control circuit to all three phase mains.Power supply box one side also can be provided with earth terminal, makes things convenient for power consumption equipment ground connection.
Claims (1)
1. phase sequence automatic correction apparatus that is used for power supply box is characterized in that it comprises by phase sequence sample circuit, CPU, amplifying circuit, air switch SM, contactor KM1, contactor KM2 to form; Described phase sequence sample circuit is made up of optocoupler GO1-GO3, capacitor C 1-C3, diode D1-D3, resistance R 1-R6; 1 pin of described optocoupler GO1 and 2 ends that meet air switch SM after diode D1, capacitor C 1 are connected; 2 pin of described optocoupler GO1 are through resistance R 1 ground connection, and 3 pin of described optocoupler GO1 connect+12V, and 4 pin of described optocoupler GO1 connect through resistance R 4 and connect the CPU corresponding input end; 1 pin of described optocoupler GO2 and 4 ends that meet air switch SM after inductance D2, capacitor C 2 are connected; 2 pin of described optocoupler GO2 are through resistance R 2 ground connection, and 3 pin of described optocoupler GO2 connect+12V, and 4 pin of described optocoupler GO2 connect through resistance R 5 and connect the CPU corresponding input end; 1 pin of described optocoupler GO3 and 6 ends that meet air switch SM after inductance D3, capacitor C 3 are connected; 2 pin of described optocoupler GO3 are through resistance R 3 ground connection, and 3 pin of described optocoupler GO3 connect+12V, and 4 pin of described optocoupler GO3 connect through resistance R 6 and connect the CPU corresponding input end; Described amplifying circuit is made up of optocoupler GO4-GO5, resistance R 7-R10; 1 pin of optocoupler GO4 connect the corresponding output of CPU through R7; 3 pin of described optocoupler GO4 meet contactor KM1 through R9; 2 pin of described optocoupler GO4 and 4 pin ground connection; 1 pin of described optocoupler GO5 connects the corresponding output of CPU through R8, and 3 pin of described optocoupler GO5 meet contactor KM2 through R10,2 pin of described optocoupler GO5 and 4 pin ground connection; The coil input end of described contactor KM1 and KM2 connects+12V; 1,3,5 ends of described air switch SM connect AI phase, BI phase, CI phase respectively; KM1-1 connects the A0 phase to 2 ends of described air switch SM through the contact of contactor KM1; KM2-1 connects the C0 phase to 2 ends of described air switch SM through the contact of contactor KM2; KM1-2 connects the B0 phase to 4 ends of described air switch SM through the contact of contactor KM1, and KM2-2 connects the B0 phase to 4 ends of described air switch SM through the contact of contactor KM2, and KM1-3 connects the C0 phase to 6 ends of described air switch SM through the contact of contactor KM1; KM2-3 connects the A0 phase to 6 ends of described air switch SM through the contact of contactor KM2, and described A1 phase, B1 phase, C1 join and exchange 380V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220074581 CN202475294U (en) | 2012-03-02 | 2012-03-02 | Phase sequence automatic correcting device for power supply box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220074581 CN202475294U (en) | 2012-03-02 | 2012-03-02 | Phase sequence automatic correcting device for power supply box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475294U true CN202475294U (en) | 2012-10-03 |
Family
ID=46923416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220074581 Expired - Fee Related CN202475294U (en) | 2012-03-02 | 2012-03-02 | Phase sequence automatic correcting device for power supply box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475294U (en) |
-
2012
- 2012-03-02 CN CN 201220074581 patent/CN202475294U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: SHIJIAZHUANG POWER SUPPLY COMPANY Effective date: 20130410 Owner name: HEBEI ELECTRIC POWER CORPORATION SHIJIAZHUANG POWE Effective date: 20130410 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050091 SHIJIAZHUANG, HEBEI PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130410 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Hebei Electric Power Corporation Patentee after: Shijiazhuang Power Supply Co.,Ltd. Address before: 050091 Shijiazhuang power supply company, No. 529 Zhonghua South Street, Hebei, Shijiazhuang Patentee before: Shijiazhuang Power Supply Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20180302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |