CN2617063Y - Power source commutation switch for electric appliance - Google Patents
Power source commutation switch for electric appliance Download PDFInfo
- Publication number
- CN2617063Y CN2617063Y CN 03244524 CN03244524U CN2617063Y CN 2617063 Y CN2617063 Y CN 2617063Y CN 03244524 CN03244524 CN 03244524 CN 03244524 U CN03244524 U CN 03244524U CN 2617063 Y CN2617063 Y CN 2617063Y
- Authority
- CN
- China
- Prior art keywords
- pin plug
- pin
- connecting line
- electrically connected
- plug
- 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
Images
Abstract
The utility model relates to a power conversion plug used in electric apparatus, which comprises a shell made of electric insulating material, wherein a two-pin plug is arranged on one end of the shell, and the other end thereof is provided with a three-jack socket, the two-pin plug is electrically connected with the three-jack socket through a connecting line. On the connecting line, a pilot lamp is connected with a hand contact sheet metal extended out of the shell in series, and a magnetic wave absorber element is connected with an earth wire in series, which can eliminate the electromagnetic wave generated by the low-frequency current. The utility model has the advantages of small occupying area, convenient usage, and simple circuit, as well as can alter the three-jack socket into three-pin plug while the two-pin plug into two-jack socket.
Description
Technical field
The utility model relates to the power source conversion joint, refers to a kind of convenient type power source conversion joint that directly is inserted in appliances power source pin (or socket) and can eliminates low frequency radiation especially.
Background technology
General electrical equipment, computer (hereinafter will be the representative explanation) for example with the computer, the design of its attaching plug (or socket) all has the corresponding contact of live wire, ground wire and earth connection.But general commercial power socket only has two jacks substantially, corresponding plug also is necessary for two pins, when using, the 3rd pin of the electric power connection line plug end of computer (being the ground connection stitch) then need pull out just and can connect, therefore, can not bring into play the function of former design three pin plug (or three receptacle electrical connectors), make necessary grounding function.
No. the 86201088th, the novel patent case in Taiwan (announcing No. 316030), the main purpose that can eliminate the power supply change-over device patent case of low frequency radiation is the elimination low frequency radiation that computer produced, this power supply change-over device has a box body basically, is provided with a touch point, power supply indicator, two and differentiates a plug or the concave socket that indicator lights, three receptacle electrical connectors and are connected with electric wire on this box body.Complicated main circuit and alarming device circuit are then arranged, to carry out the effect of eliminating low frequency radiation in this box body.But, when using this power supply change-over device, must be connected with three receptacle electrical connectors of this power supply change-over device with the power pin (or socket) of a connecting line with computer, the wire and plug of this power supply change-over device then must insert general commercial power socket.Therefore, not only easy inadequately in the use, and manufacturing cost is not low yet, really is a fly in the ointment.
Summary of the invention
Main purpose of the present utility model is to provide a kind of electrical equipment power supply crossover sub, and it has little overall dimensions and simple low frequency electromagnetic radiation is eliminated circuit, the convenient use.
Another purpose of the present utility model is to provide a kind of easy-to-install electrical equipment power supply crossover sub, only need directly to install by the computer host power supply end, the connecting line of connecting with the mains again to be connected with two receptacle electrical connectors (or plug) with civil power, can be carried out the work of eliminating electromagnetic radiation.
A purpose more of the present utility model is to provide a kind of and economizes on resources and electrical equipment power supply crossover sub cheaply.
The purpose of this utility model is achieved in that
A kind of electrical equipment power supply crossover sub, it comprises the block-shape shell that a material is an insulating material, it is characterized in that: an end of this housing is equipped with two pin plug, other end formation one has the socket of three jacks, extend an earth connection in this housing one side, being provided with one at this housing end face can be for the sheet metal of hand contact, and contiguous this sheet metal is provided with an indicator light;
The connecting structure for electrical equipment of above-mentioned each assembly is: a pin in described two pin plug becomes to be electrically connected with ground wire jack in three receptacle electrical connectors by a connecting line, described sheet metal becomes to be electrically connected with above-mentioned connecting line with described indicator light serial connection back, and described earth connection becomes to be electrically connected with above-mentioned connecting line with magnetic wave absorber element serial connection back; Another pin in described two pin plug becomes to be electrically connected with firewire jack in three receptacle electrical connectors by another connecting line.
Described three receptacle electrical connectors can be three pin plug, and described two pin plug can be two receptacle electrical connectors.
The utility model has following actively useful effect:
This power source conversion joint volume is little and directly be inserted on three pin plug of computer back side power supply, and not only the shape structure differs from prior art, and is also also easy than prior art in the operation.Circuit is simple, economizes on resources.Moreover, if computer back side power supply three pin plug change three receptacle electrical connectors into, this power source conversion joint also very easily correspondence this three receptacle electrical connector is changed into three pin plug and changes its two pin plug into two receptacle electrical connectors, to correspond to actual needs.Indicator light also can be designed to bright situation during enforcement, and the plant direction of the tip side of expression connecting line is only correctly.
Therefore, when this power source conversion joint is inserted in electrical equipment, and during,, informs whether user's power supply closure is correct, and the low-frequency electromagnetic wave that electrical equipment produces is eliminated because contact metal film makes indicator light bright or do not work again with power connection.
Description of drawings
Fig. 1 is the contour structures schematic diagram of the utility model one embodiment;
Fig. 2 is the other direction view with 1;
Fig. 3 is the user mode figure that the utility model is plugged in computer;
Fig. 4 is assembly circuit figure of the present utility model.
Embodiment
At first please refer to Fig. 1, Fig. 2, the outer casing back that power source conversion joint 1 of the present utility model is made from electrical insulating material is extruded with two pin 2a, 2b, as be connected usefulness with mains power socket, then be formed with three receptacle electrical connectors 3 at the other end, power supply three pin plug that are used for the live wire intrinsic with computer, ground wire and earth connection are connected usefulness.In the upper end of shell indicator light 4 is installed, and the sheet metal 5 that supplies the hand contact.In addition, extend an earth connection 6 in the side end face of shell.See by profile, the utility model power source conversion joint is one block-shaped, the appearance profile of the end of three receptacle electrical connectors, 3 these ends is the shapes corresponding to power supply three pin plug at computer rear, so that insert on the plug of this power supply, therefore, the size of whole joint is same as the tip side of the electric power connection line of computer commonly used approximately, and is little more many than the power supply changeover device of prior art.
As shown in Figure 3, power source conversion joint 1 of the present utility model, be mounted in the attaching plug position at computer 8 rears after, with the buckling end 61 of earth connection 6, with locking part for example screw be bonded on the computer chassis.As shown in Figure 3, when computer 8 will be connected to general mains supply, only need the tip side 91 of an electric power connection line 9 is inserted on two pin 2a, the 2b of power source conversion joint 1, the plug end (not shown) of electric power connection line 9 then inserts commercial power socket and gets final product.
Please refer to Fig. 4 at last, one end of power source conversion joint 1 housing of the present utility model is equipped with a plug that is made of two pin 2a, 2b, other end formation one has the socket 3 of three jacks, extend an earth connection 6 in this housing one side, being provided with one at this housing end face can be for the sheet metal 5 of hand contact, and contiguous this sheet metal 5 is provided with an indicator light 4.
The connecting structure for electrical equipment of above-mentioned each assembly is: a pin 2b in described two pin plug becomes to be electrically connected with ground wire jack 3b in three receptacle electrical connectors 3 by a connecting line, described sheet metal 5 becomes to be electrically connected with above-mentioned connecting line with described indicator light 4 serial connection backs, and described earth connection 6 becomes to be electrically connected with above-mentioned connecting line with a magnetic wave absorber element 7 serial connection backs; Another pin 2a in described two pin plug becomes to be electrically connected with firewire jack 3a in three receptacle electrical connectors 3 by another connecting line.
According to design of the present utility model, bright when indicator light 4, the live wire of expression power supply does not connect the live wire pin 2a in two pin plug, the tip side 91 of connecting line 9, should change 180 ° of direction of insertion of changing tip side, indicator light 4 does not work and represents that plant is in the right direction, is the plant direction of design.At this moment, the low-frequency electromagnetic wave that computer produces can be absorbed by magnetic wave absorber element 7, and leaves via earth connection 6.
Claims (2)
1. electrical equipment power supply crossover sub, it comprises the block-shape shell that a material is an insulating material, it is characterized in that: an end of this housing is equipped with two pin plug, other end formation one has the socket of three jacks, extend an earth connection in this housing one side, being provided with one at this housing end face can be for the sheet metal of hand contact, and contiguous this sheet metal is provided with an indicator light;
The connecting structure for electrical equipment of above-mentioned each assembly is: a pin in described two pin plug becomes to be electrically connected with ground wire jack in three receptacle electrical connectors by a connecting line, described sheet metal becomes to be electrically connected with above-mentioned connecting line with described indicator light serial connection back, and described earth connection becomes to be electrically connected with above-mentioned connecting line with magnetic wave absorber element serial connection back; Another pin in described two pin plug becomes to be electrically connected with firewire jack in three receptacle electrical connectors by another connecting line.
2. electrical equipment power supply crossover sub as claimed in claim 1 is characterized in that: described three receptacle electrical connectors are three pin plug, and described two pin plug are two receptacle electrical connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244524 CN2617063Y (en) | 2003-04-04 | 2003-04-04 | Power source commutation switch for electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244524 CN2617063Y (en) | 2003-04-04 | 2003-04-04 | Power source commutation switch for electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2617063Y true CN2617063Y (en) | 2004-05-19 |
Family
ID=34251249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03244524 Expired - Fee Related CN2617063Y (en) | 2003-04-04 | 2003-04-04 | Power source commutation switch for electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2617063Y (en) |
-
2003
- 2003-04-04 CN CN 03244524 patent/CN2617063Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103682715A (en) | Plug | |
| CN204348967U (en) | With the supply socket of USB charger | |
| CN2617063Y (en) | Power source commutation switch for electric appliance | |
| CN203674472U (en) | Plug-in type wiring terminal assembly | |
| CN202111316U (en) | Anti-loose plug socket | |
| CN103855529A (en) | Plug-in type terminal block assembly | |
| CN2674285Y (en) | LED lamp soft bus connector | |
| JP3130254U (en) | Conductor outlet structure in power supply equipment | |
| CN213043190U (en) | Multifunctional socket converter | |
| CN1776967A (en) | Dismountable plug structure | |
| JP2003217760A (en) | Electric adapter | |
| CN2759014Y (en) | Power connecting socket for power supply apparatus | |
| CN216251502U (en) | Host power supply with connection expansion function | |
| CN219627065U (en) | Conversion patch board | |
| CN219610826U (en) | Industrial socket with power indicator lamp module | |
| CN216671960U (en) | Inserted sheet and socket | |
| CN212380607U (en) | Socket capable of flowing large current | |
| CN220272813U (en) | Charging plug | |
| CN220692367U (en) | Inner core for multi-face socket and multi-face socket | |
| CN212970181U (en) | LED driver with fast plug structure | |
| CN214428815U (en) | Pluggable plug | |
| CN211265864U (en) | Computer network junction box | |
| CN212849179U (en) | Waterproof electronic soft board structure | |
| CN215492869U (en) | Drawing test die for automobile control box | |
| CN219937405U (en) | Overload-proof plug power line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |