CN202474741U - Portable power box with grounding function - Google Patents
Portable power box with grounding function Download PDFInfo
- Publication number
- CN202474741U CN202474741U CN 201220074582 CN201220074582U CN202474741U CN 202474741 U CN202474741 U CN 202474741U CN 201220074582 CN201220074582 CN 201220074582 CN 201220074582 U CN201220074582 U CN 201220074582U CN 202474741 U CN202474741 U CN 202474741U
- Authority
- CN
- China
- Prior art keywords
- phase
- power box
- portable power
- power supply
- sequence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000819 phase cycle Methods 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 abstract description 4
- 206010014357 Electric shock Diseases 0.000 abstract description 3
- 230000008707 rearrangement Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005070 sampling Methods 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
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model relates to a portable power box with grounding function. The portable power box comprises a power box body, a power box cover board and phase-sequence control circuits arranged inside the power box body. The portable power box with built-in phase-sequence correcting circuits finishes automatic correction of the phase-sequence by automatically identifying and correcting inside, and solves a plurality of problems of electric-shock risks when an operator connects a power and inconvenience for phase-sequence rearrangement. An all-insulation plug and an all-insulation plug seat are innovatively adopted, and thereby the portable power box possesses reliable safety-protection performance. A slant crack is formed between an upper cover and a slant surface of a panel edge after the upper cover is closed downward, a power lead is bent to form a water-proof curve structure, and water-proof function is achieved. A magnetic device arranged at the bottom of the portable power box enables the power box body to attach to various electrical equipment shells. A grounding terminal strip arranged on one side of a socket of the power box enables electrical equipment and electric tools to be grounded conveniently. The portable power box has the advantages of automatic phase-correcting and insulation and water-resistance, being convenient to arrange and safe in operation, and possessing good popularization values.
Description
Technical field
The utility model relates to a kind of compact power case with grounding function.
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 compact power case with grounding function of positive phase sequence.
The utility model adopts following technical scheme:
It comprises the utility model power supply box casing, power supply box cover plate and is arranged at the phase sequence control circuit in the power supply box casing; Described power supply box cabinet panel is provided with the control switch that the storage wire casing, the three-phase that have power line entangle phase output terminal, the direct-connected output of three-phase, single-phase output and be used to control corresponding output, also is provided with grounding terminal block on the described power supply box casing.
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.
Embodiment
Shown in accompanying drawing 1-3, the utility model comprises a kind of compact power case with grounding function, 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. the compact power case with grounding function 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 phase output terminal (3), the direct-connected output of three-phase (4), single-phase output (5) and be used to control corresponding output, also is provided with grounding terminal block (7) on the described power supply box casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220074582 CN202474741U (en) | 2012-03-02 | 2012-03-02 | Portable power box with grounding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220074582 CN202474741U (en) | 2012-03-02 | 2012-03-02 | Portable power box with grounding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202474741U true CN202474741U (en) | 2012-10-03 |
Family
ID=46922869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220074582 Expired - Fee Related CN202474741U (en) | 2012-03-02 | 2012-03-02 | Portable power box with grounding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202474741U (en) |
-
2012
- 2012-03-02 CN CN 201220074582 patent/CN202474741U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203745503U (en) | Three-phase intelligent electric energy metering box | |
| CN104600493A (en) | Plug protection type electric meter box | |
| CN206321678U (en) | Electric energy meter connector | |
| CN204832278U (en) | Electronic type electric energy meter with anti -electricity -theft combined instrument transformer | |
| CN201724966U (en) | Fast access type electric meter box | |
| CN103151715B (en) | The insulative water-proof type power supply box of automatic correction phase sequence | |
| CN202475985U (en) | Water-proof power box | |
| CN204361395U (en) | A kind of plug protection ammeter box | |
| CN203166791U (en) | Insulated power source box capable of automatically correcting phase sequence | |
| CN202474741U (en) | Portable power box with grounding function | |
| CN202474742U (en) | Magnetic absorption fixed power box | |
| CN202475295U (en) | Insulated power supply box | |
| CN201508981U (en) | Safe universal adapter | |
| CN202475294U (en) | Phase sequence automatic correcting device for power supply box | |
| CN206532990U (en) | A kind of split type conversion socket of multipurpose | |
| CN206135038U (en) | Wall hanger is gone into to intelligence | |
| CN204154772U (en) | City illumination energy effect system centralized detection table case | |
| CN203456915U (en) | LED mobile power box | |
| CN205210144U (en) | Electronic electric energy meter | |
| CN205404641U (en) | Connector of threephase kilowatthour meter | |
| CN206893884U (en) | A kind of energy-saving socket | |
| CN2906996Y (en) | Wall-mounted power supply socket | |
| CN205543278U (en) | Electric power communication distributor | |
| CN2793890Y (en) | Integrated mutual inductor of explosive-proof electromagnetic starter | |
| CN205596149U (en) | Network security isolating device |
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: HEBEI ELECTRIC POWER CORPORATION SHIJIAZHUANG POWE Effective date: 20130411 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: SHIJIAZHUANG POWER SUPPLY COMPANY Effective date: 20130411 |
|
| 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: 20130411 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20180302 |