CN221041585U - Hot plug flat cable - Google Patents

Abstract

The utility model discloses a hot plug wire, which is provided with a main body area and a plug area, wherein the hot plug wire comprises a first insulating layer, a first pin and a second pin, and the first pin and the second pin extend from the main body area to the plug area; and in the plugging area, the exposed length of the second pin is shorter than that of the first pin. According to the hot plug flat cable, the exposed lengths of the first pin and the second pin are designed to be different, so that the first pin can be contacted with and separated from the connecting terminal at first during hot plug, and when the hot plug flat cable is inserted into the board-end connector, the grounding pin (group) can be contacted with the board-end terminal preferentially, and crosstalk noise on a conductor can be eliminated preferentially; when the flat cable is pulled out of the board connector, the Ground pin (Ground) is pulled out of the board connector finally, and finally crosstalk noise is guided to the board connector guiding layer.

Description

Hot plug flat cable

Technical Field

The utility model relates to the field of connectors, in particular to a hot plug flat cable.

Background

Hot plug, i.e. "hot plug", refers to the ability to plug or unplug hardware when a computer is running. By matching with proper software, the peripheral equipment supporting hot plug can be plugged in or unplugged under the condition of not powering off, so that a host or the peripheral equipment cannot be burnt out, and new equipment can be detected and used in real time. Compared with Plug-and-Play (Plug-and-Play), the requirements of hot Plug on software and hardware also comprise the contact sequence of power supply, signal and grounding wire.

The conventional hot plug flat cable has a ground pin and other signal pins, and the ground pin and other signal pins are arranged side by side when arranged, as shown in fig. 1, so that the first pin 21 '(the ground pin) and the second pin 22' (the other signal pins) can simultaneously contact or separate from the connection terminal during hot plug, and this structure can cause crosstalk noise and easily cause adverse effects.

Disclosure of utility model

Based on the technical defects, the utility model provides a hot plug flat cable, wherein the exposed lengths of a first pin and a second pin are designed to be different, so that the first pin can be contacted with and separated from a connecting terminal at first during hot plug, and the problems in the prior art are solved.

The utility model provides a hot plug wire, which is provided with a main body area and a plug area, wherein the hot plug wire comprises a first insulating layer, and extends from the main body area to the plug area; the first pins and the second pins are arranged on the first insulating layer side by side, and both extend from the main body area to the plug area; and in the plugging area, the exposed length of the second pin is shorter than that of the first pin.

In an embodiment of the utility model, the hot plug flat cable further includes a second insulating layer, where the second insulating layer is disposed at an end of the first insulating layer away from the main body area and covers the first pin and the second pin, and a length of the first pin and the second pin, which is not covered by the second insulating layer, is an exposed length in the plug area.

In an embodiment of the present utility model, the second insulating layer includes a first region and a second region, the position of the first region corresponds to the first pin, the position of the second region corresponds to the second pin, and the first region forms a notch so that the first pin is exposed.

In an embodiment of the present utility model, the thickness of the second insulating layer is the same as or different from the thickness of the first insulating layer.

In an embodiment of the utility model, the hot plug flat cable further includes a third insulating layer covering the first pin and the second pin of the body region.

In an embodiment of the present utility model, a thickness of the third insulating layer is the same as that of the second insulating layer.

In an embodiment of the present utility model, the first pins and the second pins are arranged at intervals.

In an embodiment of the present utility model, at least two second pins are located between two adjacent first pins.

In an embodiment of the present utility model, the first pin is a ground pin.

In an embodiment of the utility model, the hot plug flat cable further includes a reinforcing plate, which is disposed in the plug area and is located on a surface of the first insulating layer away from the first pin.

The beneficial effects are that:

According to the hot plug flat cable, the exposed lengths of the first pin and the second pin are designed to be different, so that the first pin can be contacted with and separated from the connecting terminal at first during hot plug, and when the hot plug flat cable is inserted into the board-end connector, the grounding pin (group) can be contacted with the board-end terminal preferentially, and crosstalk noise on a conductor can be eliminated preferentially; when the flat cable is pulled out of the board connector, the Ground pin (Ground) is pulled out of the board connector finally, and finally crosstalk noise is guided to the board connector guiding layer.

Drawings

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Fig. 1 is a schematic diagram of a hot plug bus bar structure in the prior art.

Fig. 2 is a schematic diagram of a hot plug bus bar structure according to an embodiment of the utility model.

Fig. 3 is a layered structure diagram of a hot plug flat cable structure according to an embodiment of the present utility model.

Wherein: 1a first insulating layer; 11 body regions; 12 plug areas; 21. 21' a first pin; 22. 22' a second pin; 3 a second insulating layer; 4 a third insulating layer; and 5, reinforcing plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is included in the embodiment of the present utility model, the directional indication is merely used to explain a relative positional relationship, a movement condition, and the like between the components in a specific posture (shown in the drawings), and if the specific posture is changed, the directional indication is correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 2 and 3, the present embodiment provides a hot plug flat cable, which has a main body area 11 and a plug area 12. The hot plug flat cable comprises a first insulating layer 1, a first pin 21, a second pin 22, a second insulating layer 3, a third insulating layer 4 and a reinforcing plate 5.

The first insulating layer 1 extends from the main body region 11 to the plug region 12, the material used for the first insulating layer 1 is a conventional material, such as a resin material, and the first insulating layer 1 is in a film shape.

The first pins 21 and the second pins 22 are metal conductors, which are arranged side by side on the first insulating layer 1, and the first pins 21 and the second pins 22 each extend from the body region 11 to the plug region 12. In a specific design, the length of the first pin 21 is identical to the length of the second pin 22 for convenience of design, and the first pin and the second pin are arranged side by side. In this embodiment, the first pin 21 is a ground pin, and the second pin 22 is another signal pin. The first pins 21 and the second pins 22 are arranged at intervals. At least two second pins 22 are arranged between two adjacent first pins 21, as shown in fig. 2, two or three pins can be used, and the two or three pins are designed according to actual requirements.

The material used for the second insulating layer 3 is a conventional material, such as a resin material, and the first insulating layer 1 is in a film shape. The thickness of the second insulating layer 3 is the same as or different from the first insulating layer 1.

The second insulating layer 3 is disposed at one end of the first insulating layer away from the main body region 11 and covers the first pins 21 and the second pins 22, and in the plug region 12, the lengths of the first pins 21 and the second pins 22, which are not covered by the second insulating layer 3, are exposed lengths, specifically, the second insulating layer 3 includes a first region and a second region, the position of the first region corresponds to the first pins 21, the position of the second region corresponds to the second pins 22, and a notch is formed in the first region, so that the first pins 21 are exposed, that is, in the plug region 12, the exposed length of the second pins 22 is shorter than the exposed length of the first pins 21.

The hot plug flat cable further comprises a third insulating layer 4 covering the first pins 21 and the second pins 22 of the main body region 11. The thickness of the third insulating layer 4 is the same as that of the second insulating layer 3.

The reinforcing plate 5 is disposed in the plugging area and is located on a surface of the first insulating layer 1 away from the first pin 21.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It should be understood by those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the present utility model, and the present utility model is not limited to the above-described embodiments.

Claims (10)

1. A hot plug wire is characterized by comprising a main body area and a plug area, wherein the hot plug wire comprises

A first insulating layer extending from the body region to the plug region;

The first pins and the second pins are arranged on the first insulating layer side by side, and both extend from the main body area to the plug area; and in the plugging area, the exposed length of the second pin is shorter than that of the first pin.

2. The hot plug wire according to claim 1, further comprising a second insulating layer disposed at an end of the first insulating layer remote from the body region and covering the first and second pins, wherein lengths of the first and second pins not covered by the second insulating layer in the plug region are exposed lengths.

3. The hot plug wire of claim 2, wherein the second insulating layer comprises a first region and a second region, the first region being positioned to correspond to the first pin and the second region being positioned to correspond to the second pin, the first region being notched to expose the first pin.

4. The hot plug wire of claim 2, wherein the second insulating layer has a thickness that is the same as or different from the first insulating layer.

5. The hot plug cord of claim 2, further comprising a third insulating layer overlying the first and second pins of the body region.

6. The hot plug wire of claim 5, wherein the third insulating layer has the same thickness as the second insulating layer.

7. The hot plug cord of claim 1, wherein the first pins and the second pins are spaced apart from each other.

8. The hot plug cord of claim 7, wherein at least two second pins are provided between two adjacent first pins.

9. The hot plug cord of claim 1, wherein the first pin is a ground pin.

10. The hot plug wire according to claim 1, further comprising a reinforcing plate disposed in the plug area and located on a side of the first insulating layer away from the first pin.