CN202906127U

CN202906127U - Multifunctional safety changeover plug

Info

Publication number: CN202906127U
Application number: CN 201220522597
Authority: CN
Inventors: 梁权然
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-12
Filing date: 2012-10-12
Publication date: 2013-04-24
Anticipated expiration: 2022-10-12

Abstract

The utility model discloses a multifunctional safety changeover plug. A shell of the plug comprises a base and a surface cover. A containing chamber between the base and the surface cover is equipped with a PCB. The base is installed with at least two power supply input plugs. The PCB is installed with power supply input terminals and a power supply output socket. The surface cover is installed with a USB charging connector. The PCB is provided with a safety control module which comprises output electrical terminals and input electrical terminals. The input electrical terminals are electrically connected with the corresponding power supply input terminals respectively. The safety control module is installed with a safety control switch installed at the surface cover. The safety control switch can be electrically connected with the input electrical terminals selectively. The output electrical terminals are electrically connected with the power supply output socket and the USB charging connector respectively. When in working, only one power supply input plug and the power supply output socket and the USB charging connector can be energized, other power input plugs are disconnected and not energized, and the multifunctional safety changeover plug has high safety performance.

Description

A kind of multifunctional safe changeover plug

Technical field

The utility model relates to the changeover plug technical field, relates in particular to a kind of multifunctional safe changeover plug.

Background technology

The socket of country variant often structure is different, for the people that travel abroad is gone on business, carries changeover plug and seems particularly necessary; Traditional changeover plug has generally comprised a plurality of power input plugs (such as English rule plug, U.S. rule plug, Australia's rule plug, Europe rule plug etc.) and power output socket.

Traditional changeover plug generally adopts plastic parts mechanically to control power input plug and opens and regain, and namely guarantees only to open a power input plug, and other power input plug is regained; Yet often problem can cause having and opens simultaneously a plurality of power input plugs said structure because design defect or plastic parts structure be malfunctioning etc., even some product does not have the plastic parts mechanical type control structure and can open simultaneously all power input plugs; The power input plug of traditional changeover plug is interconnected, in the situation that a plurality of power input plugs are opened simultaneously, when wherein a power input plug is inserted into supply socket, all the other are opened but are not inserted into the power input plug of supply socket also can be charged, if staff touches the danger that just has electric shock.

The utility model content

The purpose of this utility model is to provide a kind of multifunctional safe changeover plug for the deficiencies in the prior art, the danger that this multifunctional safe changeover plug can avoid staff to get an electric shock effectively, and security performance is high.

For achieving the above object, the utility model is achieved through the following technical solutions.

A kind of multifunctional safe changeover plug, include housing, the cover that housing includes base and is installed in the base top, form containing cavity between base and the cover, base is equiped with at least two power input plugs, be equiped with the PCB wiring board in the containing cavity, corresponding each power input plug of PCB wiring board is equiped with respectively power input terminal, power input terminal is electrically connected with corresponding power input plug, the PCB wiring board also is equiped with power output socket, cover corresponding power accessory power outlet offers jack, and cover is fitted with the USB charging connector; The PCB wiring board is provided with safety control module, safety control module includes output power connection end and input power connection end corresponding with each power input terminal respectively, input power connection end is electrically connected with corresponding power input terminal respectively, safety control module is fitted with and exports the sub Safe control switch that is electrically connected of power connection end, Safe control switch is installed in cover, Safe control switch optionally is electrically connected with input power connection end, and output power connection end is electrically connected with power output socket and USB charging connector respectively.

Wherein, described PCB wiring board is provided with the AC/DC module between described USB charging connector and described output power connection end, and the AC/DC module is electrically connected with USB charging connector and output power connection end respectively.

Wherein, described AC/DC module is fitted with transformer.

Wherein, the corresponding described PCB wiring board of described base is provided with support column, and the PCB wiring board is screwed on the upper end of support column.

Wherein, described PCB wiring board is fitted with power supply indicator.

The beneficial effects of the utility model are: a kind of multifunctional safe changeover plug described in the utility model, its housing includes base and cover, be equiped with the PCB wiring board in the containing cavity between base and the cover, base is equiped with at least two power input plugs, corresponding each power input plug of PCB wiring board is equiped with respectively power input terminal, the PCB wiring board also is equiped with power output socket, and cover corresponding power accessory power outlet offers jack, and cover is fitted with the USB charging connector; The PCB wiring board is provided with safety control module, safety control module includes output power connection end and input power connection end, input power connection end is electrically connected with corresponding power input terminal respectively, safety control module is fitted with the Safe control switch that is installed in cover, Safe control switch optionally is electrically connected with input power connection end, and output power connection end is electrically connected with power output socket and USB charging connector respectively.In the utility model course of work, Safe control switch is optionally controlled input power connection end and is communicated with output power connection end, namely only have a power input plug to switch on power output socket and USB charging connector, all the other power input plugs disconnect and are not charged; Comprehensive above-mentioned situation for traditional crossover sub, the utlity model has the high advantage of security performance as can be known.

Description of drawings

The below utilizes accompanying drawing to come the utility model is further detailed, but the embodiment in the accompanying drawing does not consist of any restriction of the present utility model.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation at another visual angle of the utility model.

Fig. 3 is decomposing schematic representation of the present utility model.

Fig. 4 is the schematic diagram of safety control module of the present utility model.

Fig. 5 is the structural representation of PCB wiring board of the present utility model.

In Fig. 1 to Fig. 5, include:

1---housing 11---base 111---support column

12---cover 121---jack 13---containing cavities

2---power input plug 3---PCB wiring board 4---power input terminals

5---power output socket 6---USB charging connector 7---installation control modules

71---output power connection end 72---input power connection end 73---Safe control switch

8---AC/DC module 81---transformer 9---power supply indicators.

Embodiment

Come the utility model is described below in conjunction with concrete execution mode.

Extremely shown in Figure 5 such as Fig. 1, a kind of multifunctional safe changeover plug, include housing 1, the cover 12 that housing 1 includes base 11 and is installed in base 11 tops, form containing cavity 13 between base 11 and the cover 12, base 11 is equiped with at least two power input plugs 2, be equiped with PCB wiring board 3 in the containing cavity 13, PCB wiring board 3 corresponding each power input plug 2 are equiped with respectively power input terminal 4, power input terminal 4 is electrically connected with corresponding power input plug 2, PCB wiring board 3 also is equiped with power output socket 5, and cover 12 corresponding power accessory power outlets 5 offer jack 121, and cover 12 is fitted with USB charging connector 6; PCB wiring board 3 is provided with safety control module 7, safety control module 7 includes output power connection end 71 and input power connection end 72 corresponding with each power input terminal 4 respectively, input power connection end 72 is electrically connected with corresponding power input terminal 4 respectively, safety control module 7 is fitted with and exports power connection end 71 Safe control switch that are electrically connected 73, Safe control switch 73 is installed in cover 12, Safe control switch 73 optionally is electrically connected with input power connection end 72, and output power connection end 71 is electrically connected with power output socket 5 and USB charging connector 6 respectively.

In the utility model course of work, Safe control switch 73 is optionally controlled input power connection end 72 and is communicated with output power connection end 71, namely only have a power input plug 2 to switch on power output socket 5 and USB charging connector 6, all the other power input plugs 2 disconnect and are not charged; Comprehensive above-mentioned situation for traditional crossover sub, the utlity model has the high advantage of security performance as can be known.

Wherein, base 11 corresponding PCB wiring boards 3 are provided with support column 111, and PCB wiring board 3 is screwed on the upper end of support column 111.

Need further to explain, power input plug 2 of the present utility model can be directly to be connected with power input terminal 4 by electric power connection line, also can adopt the push rod telescopic structure to be installed on base 11, by push rod power input plug 2 be pushed out and gets back during use; Certainly, can also adopt accordion structure to be installed on base 11, the anchor portion of power input plug 2 extends in the containing cavity 13 and with base 11 and articulates, and the free end of power input plug 2 is opened or is accommodated in the base 11 corresponding accommodating grooves (as shown in Figure 1 to Figure 3).

Further, Safe control switch 73 of the present utility model can be rotary switch, slide switch or electronic switch etc., wherein, each power input plug 2 respectively corresponding gear of the present utility model, be provided with U.S. rule plug gear for U.S.'s rule plug, be provided with English rule plug gear for English rule plug, the user only needs according to environment Safe control switch 73 to be adjusted to corresponding gear and gets final product.In addition, the utility model is to the not restriction of type of power output socket 5, and namely power output socket 5 of the present utility model can be universal contact receptacle, English rule socket, U.S. rule socket, Chinese socket, Australia socket or European socket etc.

As preferred embodiment, PCB wiring board 3 is provided with AC/DC module 8 between USB charging connector 6 and output power connection end 71, and AC/DC module 8 is electrically connected with USB charging connector 6 and output power connection end 71 respectively; Wherein, AC/DC module 8 is fitted with transformer 81.In the utility model use procedure, the alternating current that AC/DC module 8 is used for power input plug 2 is inputted converts direct current to, transformer 81 is used for the electric current that inputs to USB charging connector 6 is adjusted, and then so that the requirement that USB charging connector 6 satisfies the charging of the electronic product dc low-voltages such as mobile phone, camera.

As preferred embodiment, PCB wiring board 3 is fitted with power supply indicator 9.Power supply indicator 9 is mainly used in pointing out conducting state of the present utility model, and when a power input plug 2 wherein was inserted into supply socket and Safe control switch 73 and is adjusted to the gear corresponding with this power input plug 2, power supply indicator 9 just lighted; When power supply indicator 9 did not work, the utility model was in not conducting state, and at this moment, power input plug 2 is not inserted into supply socket or Safe control switch 73 is not adjusted to corresponding gear.

Come the utility model is described in detail below in conjunction with accompanying drawing and concrete course of action, be specially: as shown in Figure 1 to Figure 3, power input plug 2 of the present utility model includes U.S. rule plug and English rule are inserted first two, wherein, U.S. rule plug and English rule plug all adopt above-mentioned accordion structure to be installed on base 11, accordingly, Safe control switch 73 is provided with U.S. rule plug gear (the US gear shown in Fig. 1 and Fig. 2) and English rule plug gear (the UK gear shown in Fig. 1 and Fig. 2), the anchor portion of U.S. rule plug and English rule plug is provided with respectively the rivet contact, when U.S. rule plug or English rule plug are opened, corresponding rivet contact contacts with corresponding power input terminal 4, when U.S. rule plug or English rule plug were not opened, the free end of U.S. rule plug or English rule plug was accommodated in the accommodating groove of base 11; Need further to explain, Fig. 1 extremely power input terminal 4 shown in Figure 3 is contact flat spring formula terminal; When opening U.S. rule plug and be inserted in corresponding U.S. rule supply socket, the user is adjusted to the US gear with Safe control switch 73, at this moment, Safe control switch 73 will be exported power connection end 71 and input accordingly power connection end 72 with U.S. rule plug and be communicated with, U.S. rule plug and

power output socket

5 and 6 conductings of USB charging connector, power supply indicator 9 lights, the user can advise under the environment of supply socket by 5 pairs of power consumption equipments energisings of power output socket and by 6 pairs of mobile phones of USB charging connector in U.S.A, the electronic products such as camera charge, and English rule plug is in off-state and not charged at this moment; When opening English rule plug and be inserted in corresponding English rule supply socket, the user is adjusted to the UK gear with Safe control switch 73, at this moment, Safe control switch 73 will be exported power connection end 71 and input accordingly power connection end 72 with English rule plug and be communicated with, English rule plug and

power output socket

5 and 6 conductings of USB charging connector, power supply indicator 9 lights, the user can advise under the environment of supply socket by 5 pairs of power consumption equipments energisings of power output socket and by 6 pairs of mobile phones of USB charging connector at English, the electronic products such as camera charge, and U.S. rule plug is in off-state and not charged at this moment.

Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.

Claims

1. multifunctional safe changeover plug, include housing (1), the cover (12) that housing (1) includes base (11) and is installed in base (11) top, form containing cavity (13) between base (11) and the cover (12), it is characterized in that: base (11) is equiped with at least two power input plugs (2), be equiped with PCB wiring board (3) in the containing cavity (13), corresponding each power input plug of PCB wiring board (3) (2) is equiped with respectively power input terminal (4), power input terminal (4) is electrically connected with corresponding power input plug (2), PCB wiring board (3) also is equiped with power output socket (5), cover (12) corresponding power accessory power outlet (5) offers jack (121), and cover (12) is fitted with USB charging connector (6); PCB wiring board (3) is provided with safety control module (7), safety control module (7) includes output power connection end (71) and the input power connection end (72) corresponding with each power input terminal (4) respectively, input power connection end (72) is electrically connected with corresponding power input terminal (4) respectively, safety control module (7) is fitted with and the Safe control switch (73) of exporting power connection end (71) and being electrically connected, Safe control switch (73) is installed in cover (12), Safe control switch (73) optionally is electrically connected with input power connection end (72), and output power connection end (71) is electrically connected with power output socket (5) and USB charging connector (6) respectively.

2. a kind of multifunctional safe changeover plug according to claim 1, it is characterized in that: described PCB wiring board (3) is provided with AC/DC module (8) between described USB charging connector (6) and described output power connection end (71), and AC/DC module (8) is electrically connected with USB charging connector (6) and output power connection end (71) respectively.

3. a kind of multifunctional safe changeover plug according to claim 2, it is characterized in that: described AC/DC module (8) is fitted with transformer (81).

4. a kind of multifunctional safe changeover plug according to claim 3, it is characterized in that: the corresponding described PCB wiring board of described base (11) (3) is provided with support column (111), and PCB wiring board (3) is screwed on the upper end of support column (111).

5. according to claim 1 to the described a kind of multifunctional safe changeover plug of 4 any one, it is characterized in that: described PCB wiring board (3) is fitted with power supply indicator (9).