Power Supply Connection Structure Device

• US 20140199863A1
• Filed: 01/11/2012
• Published: 07/17/2014
• Est. Priority Date: 12/24/2011
• Status: Active Grant

• Current Assignee: Shenzhen Zhengke Electrical Technology Co., Ltd.
• Original Assignee: Shenzhen Zhengke Electrical Technology Co., Ltd.
• Inventors: Lin, Shifeng
• Granted Patent: US 9,413,113 B2
• Time in Patent Office: Days
• US Class Current: 439/92
• CPC Class Codes: H01R 13/52 Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
• CPC Class Codes: H01R 13/521 Sealing between contact members and housing, e.g. sealing insert
• CPC Class Codes: H01R 13/652 with earth pin, blade or socket
• CPC Class Codes: H01R 13/7036 the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
• CPC Class Codes: H01R 13/713 the switch being a safety switch
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 33/18 having only abutting contacts
• CPC Class Codes: H01R 33/22 for screw type base, e.g. for lamp
• CPC Class Codes: H01R 43/20 for assembling or disassembling contact members with insulating base, case or sleeve
• CPC Class Codes: Y10T 29/49117 Conductor or circuit manufacturing
• CPC Class Codes: Y10T 29/49208 by assembling plural parts

Abstract

The present invention relates to a power supply connection structure device, a manufacturing method thereof and a circuit connection method. The device, which is used to connect an electrical appliance to a power supply, includes a live wire and neutral wire connection unit and a control unit, the control unit is switched between an activation state and an idle state, when the control unit is in the idle state, the live wire and neutral wire connection unit is not connected to the power supply; and when the control unit is in the activation state, the control unit connects the live wire and neutral wire connection unit to the power supply, thus, by using the control unit, the power supply connection structure device is safe to use, is waterproof and prevents individual from electric shock.

Claims

1. A power supply connection structure device for electrically connecting an electric appliance to a power source, comprising:

a first electric connection unit;

a second electric connection unit; and

a control unit which shifts between an idle state in which said first and second electric connection units are not connected to said power source and an activation state in which said control unit electrically connect said first and second control units to said power source, so as to electrically connect an electric circuit between said power supply connection structure device, said power source and said electric appliance, thereby said power source provide a power supply to said electric appliance.

2. The power supply connection structure device, as recited in claim 1, wherein said first electric connection unit is a live wire connection unit while said second electric connection unit is a neutral wire connection unit.

3. The power supply connection structure device, as recited in claim 2, wherein said power supply connection structure device further comprises a electric circuit arrangement including a live wire access terminal and a neural wire access terminal, wherein said control unit comprises two micro-switches, wherein when said control unit is in said activation state, said two micro-switches electrically connect an electric circuit between said live wire connection unit and said live wire access terminal, and an electric circuit between said neutral wire connection unit and said neutral wire access terminal respectively, thereby said electric circuit between said power supply connection structure device, said electric appliance, and the power source is connected.

4. The power supply connection structure device, as recited in claim 3, wherein said power supply connection structure device is a three-hole power cord, wherein said first electric connection unit is a live wire connection unit having a live wire plughole and including a live wire connection terminal, wherein said second electric connection unit is a neutral wire connection unit having a neutral wire plughole and including a neutral wire connection terminal, wherein said power supply connection structure device further comprises a ground wire connection unit which has a ground wire plughole and includes a ground wire connection terminal, wherein when three plug pins of said electric appliance are respectively inserted into said live wire plughole, said neutral wire plughole, and said ground wire plughole, said three plug pins of said electric appliance are respectively electrically connected to said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal.

5. The power supply connection structure device, as recited in claim 3, wherein said power supply connection structure device is a lamp socket, wherein said electric appliance is a lighting lamp, wherein said first electric connection unit is a live wire plug column while said second electric connection unit is a neutral wire plug column.

6. The power supply connection structure device, as recited in claim 3, wherein said power supply connection structure device is a socket, wherein said first electric connection unit is a live wire connection unit having a live wire plughole and including a live wire connection terminal, wherein said second electric connection unit is a neutral wire connection unit having a neutral wire plughole and including a neutral wire connection terminal, wherein said power supply connection structure device further comprises a ground wire connection unit which has a ground wire plughole and includes a ground wire connection terminal, wherein when three plug pins of said electric appliance are respectively inserted into said live wire plughole, said neutral wire plughole, and said ground wire plughole, said three plug pins of said electric appliance are respectively electrically connected to said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal.

7. The power supply connection structure device, as recited in claim 4, wherein said control unit is coupled with said ground wire connection unit.

26. The power supply connection structure device, as recited in claim 6, wherein said control unit is coupled with said ground wire connection unit.

27. The power supply connection structure device, as recited in claim 5, wherein said control unit comprises a push member and two actuation members, wherein said two actuation members are parallelly and spacedly coupled to said push member. Wherein said two micro-switches are respectively coupled to said two actuation members in such a manner that when said two actuation members are driven by said push member to move, said two micro-switches are respectively driven by said two actuation members to switch on, thereby said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals are respectively connected.

28. The power supply connection structure device, as recited in claim 7, wherein said control unit comprises a push member and two actuation members, wherein said two actuation members are parallelly and spacedly coupled to said push member. Wherein said two micro-switches are respectively coupled to said two actuation members in such a manner that when said two actuation members are driven by said push member to move, said two micro-switches are respectively driven by said two actuation members to switch on, thereby said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals are respectively connected.

29. The power supply connection structure device, as recited in claim 26, wherein said control unit comprises a push member and two actuation members, wherein said two actuation members are parallelly and spacedly coupled to said push member. Wherein said two micro-switches are respectively coupled to said two actuation members in such a manner that when said two actuation members are driven by said push member to move, said two micro-switches are respectively driven by said two actuation members to switch on, thereby said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals are respectively connected.

30. The power supply connection structure device, as recited in claim 28, wherein said control unit further comprises a reposition arrangement, wherein said two actuation members return to their original positions by means of said reposition arrangement, so that said two micro-switches are respectively driven to switch off by said two actuation members.

31. The power supply connection structure device, as recited in claim 29, wherein said control unit further comprises a reposition arrangement, wherein said two actuation members return to their original positions by means of said reposition arrangement, so that said two micro-switches are respectively driven to switch off by said two actuation members.

32. The power supply connection structure device, as recited in claim 30, wherein said reposition arrangement comprises two springs each having a first end coupled to one of said activation members and a second end coupled to said electric circuit arrangement.

33. The power supply connection structure device, as recited in claim 31, wherein said reposition arrangement comprises two springs each having a first end coupled to one of said activation members and a second end coupled to said electric circuit arrangement.

34. The power supply connection structure device, as recited in claim 32, wherein each of said activation member comprises an actuation arm and a drive arm which is extended from said actuation arm, wherein said actuation arm is driven by said push member and said reposition arrangement to reciprocate, wherein each of said micro-switches, which comprises a resilient element and an electric connection element which is an electric conductive element, operates as a switch for electrically connecting said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals respectively, wherein when said push member is pressed, said actuation arm is pressed by said push member to drive said drive arm to bias against said resilient element, wherein said resilient element forces said electric connection element to move, so as to allow said electric connection elements to electrically connect said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals respectively.

35. The power supply connection structure device, as recited in claim 33, wherein each of said activation member comprises an actuation arm and a drive arm which is extended from said actuation arm, wherein said actuation arm is driven by said push member and said reposition arrangement to reciprocate, wherein each of said micro-switches, which comprises a resilient element and an electric connection element which is an electric conductive element, operates as a switch for electrically connecting said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals respectively, wherein when said push member is pressed, said actuation arm is pressed by said push member to drive said drive arm to bias against said resilient element, wherein said resilient element forces said electric connection element to move, so as to allow said electric connection elements to electrically connect said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals respectively.

36. The power supply connection structure device, as recited in claim 35, wherein said control unit further comprises a retention pivot and a retention element pivotally and rotatably coupled to said retention pivot in such a manner that an opening is formed between said retention element and said push member, wherein said retention element is detachably mounted to push member, wherein when a plug pin is inserted into said opening, said push member is detached from said retention element, so as to drive said activation members to switch on said micro-switches.

37. The power supply connection structure device, as recited in claim 36, wherein the width of said opening is substantially the same as the width of a plug in of a plug of said electric appliance.

38. The power supply connection structure device, as recited in claim 37, wherein said retention element comprises a retainer arm and an actuator arm extended from said retainer arm, wherein said actuator arm is detachably coupled with said push member.

39. The power supply connection structure device, as recited in claim 38, wherein said actuator arm is formed with a groove, wherein said push member is provided with a hook which is adapted for detachably engaging with said groove in such manner that said actuator arm is detachably coupled with said push member.

40. The power supply connection structure device, as recited in claim 4, wherein said power supply connection structure device comprises a housing defining a receiving cavity for receiving said control unit and said electric circuit arrangement, wherein said housing further comprises a partition arrangement, wherein said live wire plug hole, said neutral wire plughole, and said ground wire plughole is formed at a first side of said partition arrangement, wherein said electric circuit arrangement is provided at an opposed second side of said partition arrangement, wherein said partition arrangement has a central hole which couples with said control unit, and three communication holes for said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal to pass therethrough respectively and enable said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal to be sealedly formed with said partition arrangement.

41. The power supply connection structure device, as recited in claim 6, wherein said power supply connection structure device comprises a housing defining a receiving cavity for receiving said control unit and said electric circuit arrangement, wherein said housing further comprises a partition arrangement, wherein said live wire plug hole, said neutral wire plughole, and said ground wire plughole is formed at a first side of said partition arrangement, wherein said electric circuit arrangement is provided at an opposed second side of said partition arrangement, wherein said partition arrangement has a central hole which couples with said control unit, and three communication holes for said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal to pass therethrough respectively and enable said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal to be sealedly formed with said partition arrangement.

42. The power supply connection structure device, as recited in claim 33, wherein said power supply connection structure device comprises a housing defining a receiving cavity for receiving said control unit and said electric circuit arrangement, wherein said housing further comprises a partition arrangement, wherein said live wire plug hole, said neutral wire plughole, and said ground wire plughole is formed at a first side of said partition arrangement, wherein said electric circuit arrangement is provided at an opposed second side of said partition arrangement, wherein said partition arrangement has a central hole which couples with said control unit, and three communication holes for said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal to pass therethrough respectively and enable said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal to be sealedly formed with said partition arrangement.

43. The power supply connection structure device, as recited in claim 42, wherein said control unit further comprises a seal provided in said ground wire plughole, wherein said seal is provided with a positioning member for mounting said push member, wherein a receiving compartment is formed between said seal and said positioning member, wherein said push member comprises a push arm and a retention arm extended from said push arm, wherein said positioning member comprises a pad body having a positioning hole, wherein said retention arm is capable of inserting into said receiving compartment through said positioning hole.

44. The power supply connection structure device, as recited in claim 43, wherein said seal, said positioning member and said push member are made of waterproof silicon dioxide.

45. The power supply connection structure device, as recited in claim 27, wherein said control unit comprises an activation arm and a stopper arm, wherein said push member is formed with a slot, and a first end of said stopper arm is detachably engaged in said slot, wherein a second end of said stopper arm is connected to said activation arm in such a manner that said stopper arm is driven by said activation arm to displace, wherein when coupling with said lighting lamp, said activation arm is pressed to drive said stopper arm to move, so as to detach from said push member, so that said push member applies an pressing force to said activation members to switch on said micro-switches.

46. The power supply connection structure device, as recited in claim 6, wherein each of said micro-switches is a metal resilient plate, wherein said control unit comprises a push member, wherein said micro-switches are coupled to said push member in such a manner that said micro-switches switch on in response to a driving operation of said push member so as to electrically connect said electric circuit between said live wire connection unit and said live wire access terminal, and said electric circuit between said neutral wire connection unit and said neutral wire access terminal respectively.

8-25. -25. (canceled)

47. A method of manufacturing a power supply connection structure device, comprising:

(a) providing a housing having a live wire plughole, a neutral wire plughole, and a ground wire plughole and defining a receiving cavity;

(b) coupling a live wire connecting terminal, a neutral wire connecting terminal, and a ground wire connecting terminal with said live wire plughole, said neutral wire plughole, and said ground wire plughole respectively, and disposing an electric circuit arrangement in said receiving cavity, wherein said electric circuit arrangement comprises a live wire access terminal and a neutral wire access terminal; and

(c) configuring a control unit comprising two micro-switches, wherein when said two micro-switches switch on, said two micro-switches electrically connect said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals respectively, so that an electric circuit between said power supply connection structure device, a power source, and an electric appliance is connected.

48. A method for electrically connecting an electric appliance to a power source via a power source connection structure device, wherein the method comprises the following steps:

(i) inserting three plug pins of said electric appliance into a live wire plughole, a neutral wire plughole, and a ground wire plughole respectively for electrically connecting said three plug pins to a live wire connecting terminal, a neutral wire connecting terminal, and a ground wire connecting terminal respectively; and

(ii) pushing a push member of a control unit by one of said three plug pins so as to drive two actuation members to switch on two micro-switches, so as to electrically connect electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals respectively, so that an electric circuit between said power supply connection structure device, said power source, and said electric appliance is connected.