Current converter

Abstract

The invention provides a current converter which comprises a shell, a jack assembly is arranged in the shell, a first contact pin is arranged at the bottom end of the outer surface of the jack assembly, a groove is formed in the top end of the outer surface of the shell, a second contact pin is arranged at the bottom end of the outer surface of a plug, and two clamping grooves are formed in the left side and the right side of the inner wall of the groove. Protruding blocks are fixedly connected to the left side and the right side of the outer surface of the plug, the protruding blocks are made of elastic plastic or rubber, and the four faces of the bottom end of the outer surface of the plug can be tightly attached to the four faces of the inner wall of a groove after a second inserting pin at the bottom end of the outer surface of the plug is inserted into an inserting hole in the groove through arrangement of the groove. The plug is not easy to shake in the groove, the second pin is not easy to fall off from the interior of the jack, and after the bottom end of the outer surface of the plug is inserted into the groove, the convex block is clamped into the clamping groove to further fix the mutual position of the plug and the groove.

Description

Technical Field

[0001] The present invention relates to the technical field of current converters, and in particular to a current converter. Background Art

[0002] Currently, the mode 2 chargers that are equipped with new energy vehicles are generally single-specification with a rated current of 10A or 16A. Most household sockets are 10A sockets. When using a charger with a 16A plug, it is necessary to use a 10A converter so that the socket can adapt to the current size when inserted without being damaged.

[0003] Most converters on the market currently do not have the current switching function, and are very likely to burn out the power socket during actual use. In addition, the converters on the market currently rely mainly on the plug-in and pull-out force of the plug and socket to fix them, and there is a risk of accidental disconnection between the plug and the converter during use. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that most converters on the market currently do not have the current switching function, which can easily burn out the power socket during actual use, and the converters on the market currently are mainly fixed by the plugging and unplugging force of the plug and the socket, which poses the risk of accidental disconnection between the plug and the converter during use.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a current converter, comprising a shell, a jack assembly is arranged inside the shell, a first pin is arranged at the bottom end of the outer surface of the jack assembly, a groove is opened at the top end of the outer surface of the shell, a jack is opened on the inner wall of the groove, a plug is arranged inside the groove, and a second pin is arranged at the bottom end of the outer surface of the plug.

[0006] The effect achieved by the above-mentioned components is: by setting the groove, after the second pin at the bottom end of the outer surface of the plug is inserted into the inside of the socket in the groove, the four sides of the bottom end of the outer surface of the plug will be tightly fitted with the four sides of the inner wall of the groove, so that the plug is not easy to shake inside the groove and the second pin is not easy to fall off from the inside of the socket.

[0007] Preferably, two slots are provided on the left and right sides of the inner wall of the groove, and protrusions are fixedly connected to the left and right sides of the outer surface of the plug, and the protrusions are made of elastic plastic or rubber.

[0008] The effect achieved by the above components is that after the bottom end of the outer surface of the plug is inserted into the inner rear protrusion of the groove, it will be locked into the inner part of the slot to further fix the relative position of the plug and the groove.

[0009] Preferably, the interior of the jack assembly includes an adjustment protection assembly, the adjustment protection assembly includes a signal pin, a connecting wire is provided at one end of the signal pin, a PCBA is provided at one end of the outer surface of the connecting wire, a circular hole is provided on the inner wall of the groove, and a positioning hole is provided at the bottom end of the outer surface of the plug.

[0010] The effect achieved by the above components is: after the second pin at the bottom end of the outer surface of the plug is inserted into the inside of the socket, the top end of the outer surface of the signal pin will be at the positioning hole, and the signal pin will be connected to the plug. The PCBA will use the connecting line to send a current adjustment signal and an over-temperature protection signal to the plug side through the signal pin, so that the plug and the current converter are electrically connected, and the output current size is adjusted according to actual use to ensure the safety of electricity use during use.

[0011] Preferably, the connecting wire is located on the left and right sides of the outer surface of the jack component, and the connecting wire is wound around the outer surface of the jack component and does not protrude from the top of the jack component.

[0012] The effect achieved by the above components is: by arranging the connecting wires on the left and right sides of the outer surface of the jack component and winding around the outer surface of the jack component without protruding from the top of the jack component, the volume of the adjustment protection component on the outer surface of the jack component can be reduced as much as possible to facilitate assembly.

[0013] Preferably, the signal needle is located inside the circular hole, and the radius and shape of the signal needle are matched with the radius and shape of the inner wall of the circular hole.

[0014] The effect achieved by the above components is: by setting the radius and shape of the signal pin to match the radius and shape of the inner wall of the circular hole, the position of the signal pin inside the circular hole is more stable and less likely to shake, resulting in unstable connection.

[0015] Preferably, the top end of the outer surface of the signal needle protrudes from the inside of the circular hole, and the top end of the outer surface of the signal needle does not protrude from the inside of the groove.

[0016] The effect achieved by the above components is: by setting the top of the outer surface of the signal pin to protrude from the inside of the round hole but not from the inside of the groove, the signal pin can contact the positioning hole more stably after the plug is inside the groove to avoid disconnection as much as possible.

[0017] Compared with the prior art, the advantages and positive effects of the present invention are:

[0018] In the present invention, by providing a groove, after the second pin at the bottom end of the outer surface of the plug is inserted into the inside of the socket in the groove, the four sides of the bottom end of the outer surface of the plug will be tightly fitted with the four sides of the inner wall of the groove, so that the plug is not easy to shake inside the groove and the second pin is not easy to fall off from the inside of the socket. By adjusting the PCBA of the protection component, a current adjustment signal and an over-temperature protection signal are sent to the plug side through the signal pin using a connecting wire, so that the plug and the current converter are electrically connected, and the output current is adjusted according to actual use to ensure the safety of electricity use during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the housing of the present invention;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure explosion of the present invention;

[0022] Figure 4 Schematic diagram of the three-dimensional structure of the plug of the present invention

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the plug pin of the present invention.

[0024] Legend: 1. Shell; 2. Groove; 3. Card slot; 4. Adjustment protection assembly; 5. First pin; 6. Plug; 7. Jack; 8. Jack assembly; 41. Round hole; 42. Signal pin; 43. Connecting wire; 44. PCBA; 61. Second pin; 62. Positioning hole; 63. Bump. DETAILED DESCRIPTION

[0025] Embodiment 1, as Figure 1-5 As shown, a current converter includes a shell 1, a jack 7 component is arranged inside the shell 1, a first pin 5 is arranged at the bottom end of the outer surface of the jack 7 component, a groove 2 is opened at the top end of the outer surface of the shell 1, a jack 7 is opened on the inner wall of the groove 2, a plug 6 is arranged inside the groove 2, and a second pin 61 is arranged at the bottom end of the outer surface of the plug 6. By setting the groove 2, after the second pin 61 at the bottom end of the outer surface of the plug 6 is inserted into the jack 7 in the groove 2, the four sides of the bottom end of the outer surface of the plug 6 will be tightly fitted with the four sides of the inner wall of the groove 2, so that the plug 6 is not easy to shake inside the groove 2 and the second pin 61 is not easy to fall off from the inside of the jack 7.

[0026] Reference Figure 1-5In this embodiment: two card slots 3 are provided on the left and right sides of the inner wall of the groove 2, and protrusions 63 are fixedly connected on the left and right sides of the outer surface of the plug 6. The protrusions 63 are made of elastic plastic or rubber. After the bottom end of the outer surface of the plug 6 is inserted into the interior of the groove 2, the protrusions 63 will be inserted into the interior of the card slot 3 to further fix the relative position of the plug 6 and the groove 2.

[0027] Reference Figure 1-5 In this embodiment: the interior of the socket 7 component includes an adjustment and protection component 4, the adjustment and protection component 4 includes a signal pin 42, one end of the signal pin 42 is provided with a connecting wire 43, and one end of the outer surface of the connecting wire 43 is provided with a PCBA44, the inner wall of the groove 2 is provided with a round hole 41, and the bottom end of the outer surface of the plug 6 is provided with a positioning hole 62. After the second pin 61 at the bottom end of the outer surface of the plug 6 is inserted into the interior of the socket 7, the top end of the outer surface of the signal pin 42 will be located at the positioning hole 62, and the signal pin 42 will be connected to the plug 6. The PCBA44 will use the connecting wire 43 to send a current adjustment signal and an over-temperature protection signal to the plug 6 side through the signal pin 42, so that the plug 6 is electrically connected to the current converter, and the output current is adjusted according to actual use to ensure the safety of electricity use during use.

[0028] Reference Figure 1-5 In this embodiment: the connecting wire 43 is located on the left and right sides of the outer surface of the jack 7 component, the connecting wire 43 is wound around the outer surface of the jack 7 component and does not protrude from the top of the jack 7 component. By setting the connecting wire 43 to be located on the left and right sides of the outer surface of the jack 7 component and to be wound around the outer surface of the jack 7 component and not protruding from the top of the jack 7 component, the volume of the adjusting protection component 4 on the outer surface of the jack 7 component can be reduced as much as possible to facilitate assembly. The signal pin 42 is located inside the circular hole 41, and the radius size and shape of the signal pin 42 are adapted to the radius size and shape of the inner wall of the circular hole 41. By setting the radius size and shape of the signal pin 42 to the inner wall of the circular hole 41 The radius size and shape are adapted to make the position of the signal pin 42 inside the circular hole 41 more stable and less likely to shake, resulting in unstable connection. The top end of the outer surface of the signal pin 42 protrudes from the inside of the circular hole 41, and the top end of the outer surface of the signal pin 42 does not protrude from the inside of the groove 2. By setting the top end of the outer surface of the signal pin 42 to protrude from the inside of the circular hole 41, and the top end of the outer surface of the signal pin 42 not protruding from the inside of the groove 2, by setting the top end of the outer surface of the signal pin 42 to protrude from the inside of the circular hole 41 and not protruding from the inside of the groove 2, after the plug 6 is inside the groove 2, the signal pin 42 can contact the positioning hole 62 more stably to avoid disconnection as much as possible.

[0029] Working principle: When using the current converter, first insert the second pin 61 at the bottom end of the outer surface of the plug 6 into the inside of the socket 7, and make the bottom end of the outer surface of the plug 6 located inside the groove 2 and tightly fit with the inner wall of the groove 2 on all four sides, and at the same time make the two protrusions 63 on the left and right sides of the outer surface of the plug 6 located inside the two card slots 3 to fix the relative position between the plug 6 and the shell 1. At this time, the top end of the outer surface of the signal pin 42 will be inside the positioning hole 62, and then insert the first pin 5 at the bottom end of the outer surface of the shell 1 into the socket to connect the power. After power is turned on, the electrical signal is transmitted to one end of the signal pin 42 through the connecting line 43 through the PCBA44 inside the socket 7 component, and the current adjustment signal and the over-temperature protection signal are sent to the side of the plug 6 through the signal pin 42, so that the plug 6 is electrically connected to the current converter, and the output current is adjusted according to actual use to ensure the safety of electricity use during use.

[0030] The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms. Any technician familiar with the profession may use the above disclosed technical content to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the technical solution of the present invention still belongs to the protection scope of the technical solution of the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A current converter, comprising a housing (1), characterized in that: A jack (7) component is arranged inside the shell (1), a first plug pin (5) is arranged at the bottom end of the outer surface of the jack (7) component, a groove (2) is arranged at the top end of the outer surface of the shell (1), a jack (7) is arranged on the inner wall of the groove (2), a plug (6) is arranged inside the groove (2), and a second plug pin (61) is arranged at the bottom end of the outer surface of the plug (6).

2. A current converter according to claim 1, characterized in that: Two slots (3) are provided on the left and right sides of the inner wall of the groove (2), and protrusions (63) are fixedly connected on the left and right sides of the outer surface of the plug (6), and the protrusions (63) are made of elastic plastic or rubber.

3. A current converter according to claim 1, characterized in that: The interior of the jack (7) component includes an adjustment protection component (4), the adjustment protection component (4) includes a signal pin (42), one end of the signal pin (42) is provided with a connecting wire (43), one end of the outer surface of the connecting wire (43) is provided with a PCBA (44), the inner wall of the groove (2) is provided with a circular hole (41), and the bottom end of the outer surface of the plug (6) is provided with a positioning hole (62).

4. A current converter according to claim 3, characterized in that: The connecting wire (43) is located on the left and right sides of the outer surface of the jack (7) component, and the connecting wire (43) is wound around the outer surface of the jack (7) component and does not protrude from the top of the jack (7) component.

5. A current converter according to claim 3, characterized in that: The signal needle (42) is located inside the circular hole (41), and the radius and shape of the signal needle (42) are matched with the radius and shape of the inner wall of the circular hole (41).

6. A current converter according to claim 3, characterized in that: The top end of the outer surface of the signal needle (42) protrudes from the inside of the circular hole (41), and the top end of the outer surface of the signal needle (42) does not protrude from the inside of the groove (2).

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