CN218333171U - Connection extension mechanism of signal transmission line - Google Patents
Connection extension mechanism of signal transmission line Download PDFInfo
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- CN218333171U CN218333171U CN202222126505.5U CN202222126505U CN218333171U CN 218333171 U CN218333171 U CN 218333171U CN 202222126505 U CN202222126505 U CN 202222126505U CN 218333171 U CN218333171 U CN 218333171U
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- signal transmission
- transmission lines
- transmission line
- extension mechanism
- conductive layer
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Abstract
The utility model discloses a signal transmission line's connection extension mechanism, including two signal transmission lines, circuit board, chip, metal casing and insulating housing. The outer coating layer at one end of the two signal transmission lines is removed, so that the conducting wires and the conducting layers which are originally coated by the outer coating layer are exposed. The wires of the two signal transmission lines are connected through the circuit board and the chip, and the metal shell covers the circuit board and the chip. In addition, the metal shell is also connected with the exposed conducting layers of the two signal transmission lines, and the metal shell and part of the two signal transmission lines are coated by the insulating shell. Through the content can form the connection extension mechanism of accomplishing between two signal transmission lines that are connected, not only can prolong signal transmission line's length, more can improve the intensity of connecting, can compensate transmission signal's decay simultaneously.
Description
Technical Field
The utility model relates to a signal transmission line's connection extension mechanism need not additionally set up female and male connector at signal transmission on line and connect, alright extension signal transmission line's length and the intensity of improving the connection to can compensate transmission signal's decay and distortion, can improve the signal attenuation that interference and waterproof nature that the plug connector probably produced caused simultaneously.
Background
The signal transmission line is mainly used for transmitting high-frequency signals, energy of the high-frequency signals is easily radiated to the outside from the transmission line in the form of electromagnetic waves in the transmission process, and energy loss is more serious when the frequency of the transmission signals is higher. Therefore, the signal transmission line is usually provided with related structures, such as shielding structures disposed at the periphery of the signal transmission line, so as to prevent the energy loss of the high frequency signal and the interference of the external signal.
Generally, the length of the signal transmission line is limited, and if the overall length of the signal transmission line is longer, the voltage drop of the copper conductor is larger, the power attenuation is larger, and exceeds a certain range, which often causes damage to the signal transmission and causes errors or distortions in the signal transmission, for example, the length of the USB signal transmission line is mostly within 3 meters, and preferably 1.2 meters. In practical applications, if the frequency of the transmission signal is higher, the length of the signal transmission line may be shorter to prevent errors in signal transmission.
SUMMERY OF THE UTILITY MODEL
The utility model provides a signal transmission line's connection extension mechanism mainly including two at least signal transmission lines, circuit board, an at least chip, metal casing and insulating housing. The signal transmission line comprises a plurality of wires, a conductive layer and an outer coating layer, wherein the conductive layer coats the plurality of wires, and the outer coating layer coats the conductive layer.
The outer coating layer at one end of the signal transmission line is removed, so that the conducting wire and the conducting layer at one end of the signal transmission line are exposed. The wires of the two signal transmission lines are electrically connected through the circuit board and the chip and cover the circuit board and the chip through the metal shell. The chip connecting the two signal transmission lines can be used to compensate and reduce the attenuation of the transmission signal.
The metal shell is respectively connected with the conducting layers at one ends of the two signal transmission lines and is used for shielding the circuit board and the chip which are coated by the metal shell. The insulating shell is used for coating the metal shell and one end of the two signal transmission lines so as to form a complete connection extension mechanism between the two signal transmission lines and prevent the metal shell from directly contacting the external environment. Through content, need not set up corresponding male connector and female connector on line at signal transmission, alright increase signal transmission line's length not only can prolong signal transmission line's length, more can improve the intensity that signal transmission line connects, can compensate or reduce transmission signal's decay simultaneously. In addition, the signal attenuation caused by the interference and poor waterproofness which are possibly generated by prolonging the length of the signal transmission line through the plug connector in the prior art can be improved.
In an embodiment of the present invention, the two signal transmission lines can be folded back to the outer coating layer by the exposed conductive layer, and the folded-back portion is formed on the outer coating layer. In addition, the outer covering layer at one end of the signal transmission line can be thinned, and the exposed conductive layer is folded back to the thinning part.
In different embodiments, a part of the outer coating layer at one end of the two signal transmission lines can be selectively removed, and a cutting part is formed on the signal transmission line, wherein the conductive layer on the cutting part is exposed, and an exposed conductive layer is formed at one end of the signal transmission line. The wire diameter and volume of the connection extension mechanism of the signal transmission line can be further reduced by the arrangement of the thinning part and the cutting part.
Therefore, the utility model provides a signal transmission line's connection extension mechanism, including: at least two signal transmission lines, including: the plurality of leads comprise inner conductor core wires and insulating layers, wherein the insulating layers cover the inner conductor core wires; a conductive layer covering the plurality of wires; an outer coating layer for coating the peripheral surface of the conductive layer, wherein the conductive layer at one end of the two signal transmission lines is exposed and forms an exposed conductive layer; the circuit board is positioned between the two signal transmission lines and is electrically connected with the leads of the two signal transmission lines; at least one chip arranged on the circuit board; the metal shell covers the circuit board and the chip, wherein the metal shell is connected with the exposed conducting layers of the two signal transmission lines, and the circuit board and the chip are positioned in the accommodating space formed by the metal shell; and the insulating shell coats the metal shell and part of the two signal transmission lines.
Preferably, the exposed conductive layers of the two signal transmission lines are respectively folded back to the outer cladding layers of the two signal transmission lines, and a folded-back portion is formed at one end of the two signal transmission lines, and the metal shell is connected with the folded-back portion of the signal transmission line.
Preferably, the outer cladding layer at one end of the two signal transmission lines includes a thinned portion, the cross-sectional area of the thinned portion is smaller than that of the outer cladding layer, the exposed conductive layer is folded back to the thinned portion, a folded-back portion is formed on the thinned portion, and the metal shell is connected to the folded-back portion of the signal transmission line.
Preferably, the thinned portion of the outer cladding layer includes at least one groove, and the exposed conductive layer is folded back into the groove.
Preferably, the central chip includes a retimer, a repeater, an electronic label chip or a power amplifying chip.
Preferably, the metal shell includes a first metal shell and a second metal shell, and the first metal shell and the second metal shell are used for wrapping the circuit board and the chip and clamping the exposed conductive layers of the two signal transmission lines.
Preferably, the first metal shell and the second metal shell include clamping portions at two ends thereof for clamping the exposed conductive layers of the two signal transmission lines.
Furthermore, the metal shell comprises a metal conducting layer covering two ends of the metal shell, and the insulating shell covers the metal shell and the metal conducting layer.
Preferably, the conducting wires include signal wires, drain wires or power supply wires.
Preferably, the thinning portion of the outer cladding layer includes at least one cutting portion, and the conductive layer at the cutting portion is exposed and forms an exposed conductive layer.
Through signal transmission line's connection extension mechanism, can form the connection extension mechanism of accomplishing between two signal transmission lines that are connected, not only can prolong signal transmission line's length, more can improve the intensity of connecting, can compensate or reduce transmission signal's decay simultaneously.
Drawings
Fig. 1 is a schematic exploded perspective view of an embodiment of a connection extension mechanism of a signal transmission line according to the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of the signal transmission line of the present invention.
Fig. 3 is a schematic cross-sectional view of another embodiment of the signal transmission line of the present invention.
Fig. 4 is a schematic perspective view of another embodiment of the signal transmission line of the present invention.
Fig. 5 is a schematic cross-sectional view of the signal transmission line in the embodiment of the present invention.
Fig. 6 is a schematic perspective view of another embodiment of the signal transmission line of the present invention.
Fig. 7 is a schematic perspective view of an embodiment of a connection extension mechanism of a signal transmission line according to the present invention.
Fig. 8 is a schematic perspective view of another embodiment of the connection extension mechanism of the signal transmission line according to the present invention.
Fig. 9 is a schematic perspective view of another embodiment of the connection extension mechanism of the signal transmission line according to the present invention.
Description of the reference numerals:
10-a signal transmission line; 100-a connection extension mechanism of a signal transmission line; 11-a wire; 111-inner conductor core wire; 113-an insulating layer; 13-a conductive layer; 131-an exposed conductive layer; 133-inflected section; 15-outer coating layer; 151-thinned portion; 153-a cutting portion; 17-a metal conductive layer; 21-a circuit board; 211-connection terminals; 23-a chip; 25-a metal housing; 250-an accommodating space; 251-a first metal housing; 252-a clamping portion; 253-a second metal housing; 27-insulating housing.
Detailed Description
Fig. 1 is a three-dimensional exploded schematic view and a sectional schematic view of an embodiment of a connection extension mechanism of a signal transmission line according to the present invention, and fig. 2 is a sectional schematic view of an embodiment of a signal transmission line according to the present invention. As shown in the figure, the connection extension mechanism 100 of the signal transmission line mainly includes at least two signal transmission lines 10, a circuit board 21, at least one chip 23 and a metal shell 25, wherein the chip 23 is disposed on the circuit board 21 and electrically connected to the two signal transmission lines 10 through the circuit board 21, and the metal shell 25 is used for covering the circuit board 21, the chip 23 and a part of the two signal transmission lines 10.
In an embodiment of the present invention, as shown in fig. 2, the signal transmission line 10 includes a plurality of wires 11, a conductive layer 13 and an outer coating layer (socket) 15, wherein the conductive layer 13 is used for coating the plurality of wires 11, and the outer coating layer 15 coats an outer peripheral surface of the conductive layer 13.
The lead 11 includes an inner conductor core 111 and an insulating layer 113, wherein the insulating layer 113 covers the outer peripheral surface of the inner conductor core 111 to isolate the inner conductor cores 111 of the plurality of leads 11.
The conductive layer 13 may be a single-layer or multi-layer structure, for example, the conductive layer 13 may be a mesh conductor woven or wound by a metal wire, an aluminum foil, and/or a mesh structure woven or wound by an aluminum foil mylar, and forms a ground shield outside the plurality of wires 11 to prevent the wires 11 from being interfered by external electromagnetic signals.
In another embodiment of the present invention, the conductive layer 13 may be a two-layer structure and includes a mesh-type conductor and an aluminum foil mylar, wherein the aluminum foil mylar covers the wires 11, and the mesh-type conductor covers the aluminum foil mylar.
The outer coating layer 15 is made of an insulating material, wherein the outer coating layer 15 has the functions of insulation, water resistance, etc., and is used for protecting and fixing the plurality of wires 11. For example, the outer coating layer 15 may comprise polyvinyl chloride (PVC), low Density Polyethylene (LDPE), fluorinated ethylene propylene copolymer (FEP) or thermoplastic elastomer (TPE). Specifically, the signal transmission line 10 according to the embodiment of the present invention may be a coaxial cable, a USB transmission line, an HDMI transmission line, or the like.
As shown in fig. 3, when connecting two signal transmission lines 10, the outer coating layer 15 at one end or both ends of the two signal transmission lines 10 may be removed, so that the conductive line 11 and the conductive layer 13 at one end of the signal transmission line 10 are exposed, wherein the conductive layer 13 forms an exposed conductive layer 131 at one end of the signal transmission line 10.
As shown in fig. 2, the exposed conductive layer 131 may be further folded back to the outer coating layer 15, and a folded-back portion 133 may be formed on the surface of the outer coating layer 15. The exposed conductive layer 131 is folded back to the outer cladding layer 15, which is only an embodiment of the present invention, and the exposed conductive layer 131 does not need to be folded back in practice and is directly connected to the two signal transmission lines 10 shown in fig. 3.
In an embodiment of the present invention, as shown in fig. 4 and 5, the outer coating layer 15 at one end or both ends of the signal transmission line 10 may be provided with a thinning portion 151, wherein the sectional area of the thinning portion 151 is smaller than the sectional area of the outer coating layer 15. In one embodiment of the present invention, the signal transmission line 10 is similar to a cylindrical body in appearance, and the thickness of the outer coating layer 15 can be uniformly reduced along the radial direction of the cylindrical body by grinding or cutting, so that the outer diameter of the reduced portion 151 is smaller than the outer diameter of the outer coating layer 15, for example, the cross sections of the outer coating layer 15 and the reduced portion 151 are both annular.
The exposed conductive layer 131 may be folded back to the thinning-out portion 151, and the folded-back portion 133 may be formed on the thinning-out portion 151. In an embodiment of the present invention, the thinning portion 151 of the outer coating layer 15 may be a groove, for example, the groove may be disposed along a radial direction parallel to the outer coating layer 15 and recessed toward the conductive layer 15, and the exposed conductive layer 131 may be folded back into the groove.
In another embodiment of the present invention, as shown in fig. 6, the thinning portion 151 of the outer cladding layer 15 may be a cutting portion 153, for example, two symmetrical cutting portions 153 are formed on the outer cladding layer 15. The cutting portion 153 may include a cutting surface, wherein the cutting surface is a cut line of a circular cross section formed by the outer coating layer 15.
The cutting surface of the cutting portion 153 may be connected to the conductive layer 13, such that the conductive layer 13 located at the cutting portion 153 is exposed, and the exposed conductive layer 131 is formed. In the embodiment of the present invention, the exposed conductive layer 131 can connect two signal transmission lines 10 without being folded back to the outer coating layer 15.
As shown in fig. 1, a circuit board 21 may be disposed between two signal transmission lines 10, wherein a plurality of connection terminals 211 are disposed on the circuit board 21, for example, a connection terminal 211 is disposed at each of two ends of the circuit board 21, and the wires 11 of the two signal transmission lines 10 are connected to the connection terminals 211 at each of two ends of the circuit board 21.
The at least one chip 23 is disposed on the circuit board 21 and electrically connected to the two connection terminals 211 of the circuit board 21, wherein the wires 11 of the two signal transmission lines 10 are respectively connected to the chip 23 through the connection terminals 211 of the circuit board 21, for example, the chip 23 includes a retimer (timer), a repeater (driver), an electronic tag chip (owner), or a Power Amplifier (Power Amplifier), and the chip 23 may be used to compensate or reduce signal attenuation transmitted by the connection extension mechanism 100 of the signal transmission lines.
As shown in fig. 1 and 7, the metal shell 25 is used for covering the circuit board 21, the chip 23 and/or a portion of the signal transmission line 10, wherein the metal shell 25 includes an accommodating space 250, and the circuit board 21 and the chip 23 are located in the accommodating space 250 of the metal shell 25 to protect the circuit board 21 and the chip 23.
In addition, the metal shell 25 is connected to the exposed conductive layer 131 or the reverse-folded portion 133 of the two signal transmission lines 10, respectively, wherein the conductive layers 13 of the two signal transmission lines 10 are connected via the metal shell 25, so that the metal shell 25 forms a shielding structure outside the circuit board 21 and the chip 23.
In an embodiment of the present invention, the metal housing 25 may include a first metal housing 251 and a second metal housing 253, wherein the first metal housing 251 forms an accommodating space 250 therebetween when connected to the second metal housing 253. In practical applications, the circuit board 21 and the chip 23 can be covered by the first metal housing 251 and the second metal housing 253, and then the first metal housing 251 and the second metal housing are fastened to the two signal transmission lines 10 by a fastening unit, for example, the fastening unit may be a screw or a laser solder.
In addition, the two ends of the first metal housing 251 and the second metal housing 253 can be respectively provided with a clamping portion 252 for connecting and clamping the exposed conductive layer 131 or the inflection portion 133 of the two signal transmission lines 10, so that the first metal housing 251 and the second metal housing 253 are fastened on the two signal transmission lines 10. For example, the clamping portion 252 of the first metal shell 251 is a single-piece protruding structure and can be abutted against the exposed conductive layer 131 or the inflection portion 133 of the signal transmission line 10 from above, and the clamping portion 252 of the second metal shell 253 is a double-fork structure and can be abutted against the exposed conductive layer 131 or the inflection portion 133 of the signal transmission line 10 from below.
As shown in fig. 8, the two ends of the metal shell 25 may be further covered by a metal conductive layer 17, for example, the metal conductive layer 17 may be a copper foil or an aluminum foil, and is wound around the clamping portions 252 at the two ends of the first metal shell 251 and the second metal shell 253. In an embodiment of the present invention, the metal conductive layer 17 may also cover part of the outer coating layer 15 of the signal transmission line 10.
As shown in fig. 9, the metal shell 25, the metal conductive layer 17 and a portion of the outer coating layer 15 of the signal transmission line 10 may be further covered by an insulating shell 27, so that the metal shell 25 and/or the conductive layer 13 of the signal transmission line 10 are isolated from the outside.
Through signal transmission line's connection extension mechanism 100, can form the connection extension mechanism of accomplishing between two signal transmission lines 10 that are connected, not only can prolong signal transmission line 10's length, more can improve the intensity of connecting, can compensate or reduce transmission signal's decay simultaneously.
In another embodiment of the present invention, the two signal transmission lines 10 of fig. 4, 5 and 6 can also be electrically connected through the circuit board 21 and the chip 23 of fig. 1, and then the metal shell 25 is disposed on the signal transmission line 10 of fig. 4, 5 and 6. The metal shell 25 is used to cover the circuit board 21 and the chip 23 and is connected to the inflected portion 133 on the thinned portion 151 in fig. 4 and 5 or connected to the exposed conductive layer 131 on the cut portion 153 in fig. 6.
By forming the thinned portion 151 or the cut portion 153 in the outer coating 15 at one end of the signal transmission line 10, the two signal transmission lines 10 can be connected by using the metal shell 25 with a smaller volume, and the volume of the insulating shell 27 can be reduced, for example, the sectional area or the wire diameter of the insulating shell 27 after the metal shell 25 is coated can be made close to the two signal transmission lines 10.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents of shape, structure, features and spirit.
Claims (10)
1. A connection extension mechanism for a signal transmission line, comprising:
at least two signal transmission lines, including:
a plurality of wires including inner conductor cores and insulating layers; wherein the insulating layer covers the inner conductor core wire;
a conductive layer covering the plurality of wires; and
an outer coating layer for coating the outer peripheral surface of the conductive layer; the conducting layers at one ends of the two signal transmission lines are exposed and exposed conducting layers are formed;
the circuit board is positioned between the two signal transmission lines and is electrically connected with the leads of the two signal transmission lines;
at least one chip arranged on the circuit board;
the metal shell coats the circuit board and the chip; the metal shell is connected with the exposed conducting layers of the two signal transmission lines, and the circuit board and the chip are positioned in an accommodating space formed by the metal shell; and
and the insulating shell coats the metal shell and part of the two signal transmission lines.
2. The connection extension mechanism of signal transmission lines according to claim 1, wherein the exposed conductive layers of the two signal transmission lines are respectively folded back to the outer cladding layers of the two signal transmission lines, and a folded-back portion is formed at one end of the two signal transmission lines, and the metal shell is connected to the folded-back portion of the signal transmission lines.
3. The connection extension mechanism of signal transmission line according to claim 1, wherein the outer coating layer of one end of the two signal transmission lines includes a thinned portion having a smaller cross-sectional area than the outer coating layer, and the exposed conductive layer is folded back to the thinned portion and forms a folded-back portion on the thinned portion, and the metal shell is connected to the folded-back portion of the signal transmission line.
4. The signal transmission line connection extension mechanism of claim 3, wherein said thinned portion of said outer cladding layer includes at least one groove, and said exposed conductive layer is folded back into said groove.
5. The signal transmission line connection extension mechanism of claim 1, wherein the chip comprises a retimer, a repeater, an electronic tag chip, or a power amplifier chip.
6. The signal transmission line connection extension mechanism of claim 1, wherein the metal housing includes a first metal housing and a second metal housing, the first metal housing and the second metal housing covering the circuit board and the chip and sandwiching the exposed conductive layers of the two signal transmission lines.
7. The connecting extension mechanism of claim 6, wherein the first metal shell and the second metal shell each include a clamping portion at both ends thereof for clamping the exposed conductive layers of the two signal transmission lines.
8. The signal transmission line connection extension mechanism of claim 1, further comprising a metal conductive layer covering both ends of the metal housing, and the insulating housing covering the metal housing and the metal conductive layer.
9. The signal transmission line connection extension mechanism of claim 1, wherein the wires comprise signal lines, drain lines, or power lines.
10. The signal transmission line connection extension mechanism of claim 1, wherein the thinned portion of the outer cladding layer includes at least one cut portion, and the conductive layer at the cut portion is exposed and forms the exposed conductive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222126505.5U CN218333171U (en) | 2022-08-12 | 2022-08-12 | Connection extension mechanism of signal transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222126505.5U CN218333171U (en) | 2022-08-12 | 2022-08-12 | Connection extension mechanism of signal transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218333171U true CN218333171U (en) | 2023-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222126505.5U Active CN218333171U (en) | 2022-08-12 | 2022-08-12 | Connection extension mechanism of signal transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218333171U (en) |
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2022
- 2022-08-12 CN CN202222126505.5U patent/CN218333171U/en active Active
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