CN214152550U - Endoscope cable - Google Patents
Endoscope cable Download PDFInfo
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- CN214152550U CN214152550U CN202120020215.5U CN202120020215U CN214152550U CN 214152550 U CN214152550 U CN 214152550U CN 202120020215 U CN202120020215 U CN 202120020215U CN 214152550 U CN214152550 U CN 214152550U
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Abstract
The utility model discloses an endoscope cable, include outer electromagnetic shield layer and be located the inboard signal line, control line and the power supply line in outer electromagnetic shield layer, the signal line includes signal conductor, signal insulation layer and the signal electromagnetic shield layer that from interior to exterior set gradually. In the endoscope cable, in use, the internal signal line is used to transmit image data, wherein the control line is used to transmit a control signal, and wherein the power supply line is used to supply power to the head end. Wherein the outer electromagnetic shielding layer can effectively shield the outside electromagnetic shielding, and the signal electromagnetic shielding layer can further shield the electromagnetism, especially can shield the electromagnetism that control line and power supply line produced. And then can be abundant guarantee image information transmission's reliability to improve the immunity greatly, and then reduce whole endoscope cable cross section effectively, so can solve the problem that present endoscope cable signal transmission effect is not good effectively.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, relate to an endoscope cable.
Background
The endoscope body insertion part integrates an image acquisition channel, a light source channel, a water and air feeding channel and an operation channel, a signal cable is limited in a limited space to be the thinnest as possible, and high-definition image data transmission requires that the transmission intensity and the anti-interference capability of the signal cable are strong.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an endoscope system widely used in the medical field in the related art, and the endoscope body generally includes a light guide portion 10, a universal cable portion 20, an operation portion 30, an insertion portion 40, a bending portion 50, and a head end portion 60.
The endoscope cable comprises a signal wire and a power wire, and because the size of the insertion part of the endoscope body is limited, the requirement of the wire diameter size cannot be met by the common cable on the premise of meeting the number of the signal wires and the shielding effect; under the condition of meeting the requirement of the wire diameter size, the transmission effect and the shielding effect of high-speed signals cannot be met.
In summary, how to effectively solve the problem of poor signal transmission effect of the existing endoscope cable is a problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an endoscope cable, which can effectively solve the problem of poor signal transmission effect of the current endoscope cable.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an endoscope cable, includes outer electromagnetic shield layer and is located signal line, control line and the power supply line of outer electromagnetic shield layer inboard, the signal line includes signal conductor, signal insulation layer and the signal electromagnetic shield layer that from interior to exterior set gradually.
In the endoscope cable, in use, the internal signal line is used to transmit image data, wherein the control line is used to transmit a control signal, and wherein the power supply line is used to supply power to the head end. Wherein the outer electromagnetic shielding layer can effectively shield the outside electromagnetic shielding, and the signal electromagnetic shielding layer can further shield the electromagnetism, especially can shield the electromagnetism that control line and power supply line produced. And then can be abundant guarantee image information transmission's reliability to improve the interference immunity ability greatly, and then reduce whole endoscope cable cross section effectively. In conclusion, the endoscope cable can effectively solve the problem that the signal transmission effect of the existing endoscope cable is not good.
Preferably, the electromagnetic shielding device comprises two outer electromagnetic shielding layers, and an isolation layer is arranged between the two outer electromagnetic shielding layers.
Preferably, include from inside to outside the copper foil layer that sets gradually outer electromagnetic shield layer the isolation layer outer electromagnetic shield layer and oversheath layer, the isolation layer includes from inside to outside setting around covering and copper foil layer.
Preferably, the power supply system comprises three signal wires with the same cross section and circular shape, two control combination wires with the same cross section and circular shape and two power supply wires with the same cross section and circular shape, wherein the control combination wires are combination wires formed by the two control wires; one of the power supply lines is located at the central position, and the other power supply line and the two control combination lines are arranged at intervals with the three signal lines so as to surround the power supply line located at the central position; the three signal wires are arranged in a triangular shape, the inner sides of the three signal wires are abutted against the power supply wire positioned at the central position, and the outer sides of the three signal wires are abutted against the outer sleeve layer; and the other power supply line and the two control combined lines are abutted against the two adjacent signal lines and the outer sleeve layer.
Preferably, one of the two outer electromagnetic shielding layers is a plurality of anti-clockwise winding layers made of the tin-plated alloy wires, and the other layer is a plurality of clockwise winding layers made of the tin-plated alloy wires.
Preferably, the signal conductor is a wire harness consisting of a plurality of silver-plated alloy wires.
Preferably, the signal electromagnetic shielding layer is a tinned soft copper wire clockwise winding layer.
Preferably, the power supply line comprises a power supply outer layer and a conductive wire bundle consisting of a plurality of silver-plated alloy wires positioned in the power supply outer layer, and the outer diameter of the power supply line is between 0.29 mm and 0.31 mm.
Preferably, the control wire comprises a control outer covering layer, a control insulating layer positioned on the inner side of the control outer covering layer and a control wiring harness consisting of a plurality of silver-plated alloy wires positioned in the control insulating layer, and the outer diameter of a stranded wire consisting of the two control wires is between 0.37 and 0.39 mm.
Preferably, the outer diameter of the signal conductor is between 0.11 and 0.13 mm, the outer diameter of the signal insulation layer is between 0.32 and 0.34 mm, and the outer diameter of the signal wire is between 0.45 and 0.47 mm.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an endoscopic system of the prior art, which is widely used in the medical field;
fig. 2 is a schematic structural diagram of an endoscope cable according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a signal line according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control line according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a power supply line provided in an embodiment of the present invention.
The drawings are numbered as follows:
a light guide portion 10, a universal cable portion 20, an operation portion 30, an insertion portion 40, a bending portion 50, and a head end portion 60;
the cable comprises a signal wire 1, a control wire 2, a power supply wire 3, a copper foil layer 4, an outer electromagnetic shielding layer 5, a wrapping layer 6, an outer sheath layer 7, a signal conductor 11, a signal insulating layer 12, a signal electromagnetic shielding layer 13, a signal outer sheath layer 14, a control outer sheath layer 21, a control insulating layer 22, a control wiring harness 23, a power supply outer sheath layer 31 and a conducting wiring harness 32.
Detailed Description
The embodiment of the utility model discloses endoscope cable to solve the problem that present endoscope cable signal transmission effect is not good effectively.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 2-5; fig. 2 is a schematic structural diagram of an endoscope cable according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a signal line according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a control line according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of a power supply line provided in an embodiment of the present invention.
In a specific embodiment, the present embodiment provides an endoscope cable which is mainly used for connecting between the head end and the operating portion, and which can be further provided between the operating portion and the light guide portion. Specifically, the endoscope cable includes an outer electromagnetic shield layer 5, a signal line 1, a control line 2, and a power supply line 3, wherein the signal line 1, the control line 2, and the power supply line 3 are all located inside the outer electromagnetic shield layer 5.
Generally, an endoscope cable mainly includes an outer sheath and a plurality of cores disposed inside the outer sheath and juxtaposed to each other, such as the above-described signal line 1, control line 2, and power supply line 3. The outer sheath generally comprises an outer electromagnetic shielding layer 5 and an outer sheath layer 7. Wherein, the outer electromagnetic shielding layer 5 plays a role of shielding protection so as to play a role of electromagnetic shielding for the internal wire core.
The signal line 1 may be referred to as a high-speed signal line, and specifically, the signal line 1 includes a signal conductor 11, a signal insulating layer 12, and a signal electromagnetic shielding layer 13, which are sequentially disposed from inside to outside, and the signal line 1 further includes a signal outer layer 14 disposed outside the signal electromagnetic shielding layer 13, so as to be protected by the signal outer layer 14. The signal conductor 11 is further electromagnetically shielded by the inner signal electromagnetic shielding layer 13 inside the outer electromagnetic shielding layer 5, so that the interference of external electromagnetic waves to the signal conductor 11 is effectively prevented, and the interference of electromagnetic waves generated by the inner electric conductor and the control conductor to the signal conductor 11 can be avoided.
In this endoscope cable, in use, the internal signal line 1 is used to transmit image data, wherein the control line 2 is used to transmit control signals, and wherein the power supply line 3 is used to supply power to the head end. Wherein the outer electromagnetic shield layer 5 can effectively shield the outside electromagnetic shield to the outside, and wherein the signal electromagnetic shield layer 13 can further shield the electromagnetic, in particular, the electromagnetic generated by the control line 2 and the power supply line 3. And then can be abundant guarantee image information transmission's reliability to improve the interference immunity ability greatly, and then reduce whole endoscope cable cross section effectively. In conclusion, the endoscope cable can effectively solve the problem that the signal transmission effect of the existing endoscope cable is not good.
Further, in order to ensure a better electromagnetic shielding effect, specifically, two outer electromagnetic shielding layers 5 may be provided, and an isolation layer is provided between the two outer electromagnetic shielding layers 5. The two outer electromagnetic shielding layers 5 may have the same or different structural forms. The specific setting can be carried out according to the needs. For better shielding, it is preferred here that the wire windings of the two outer electromagnetic shielding layers 5 are in opposite directions. Specifically, for example, one of the two electromagnetic shielding layers 5 may be a plurality of counterclockwise winding layers of tin-plated alloy wires, and the other may be a plurality of clockwise winding layers of tin-plated alloy wires. For example, the outer electromagnetic shielding layer 5 positioned at the outer side in the two outer electromagnetic shielding layers 5 is a plurality of tin-plated alloy wires clockwise winding layer, and the outer electromagnetic shielding layer 5 positioned at the inner side is a plurality of tin-plated alloy wires anticlockwise winding layer. So as to reduce the loss of signals, enhance the transmission strength of the signals and be thinner than the existing endoscope cables. An isolation layer is arranged between the two outer electromagnetic shielding layers 5, specifically, the isolation layer can be a wrapping layer 6, and if the isolation layer can also comprise a copper foil layer 4.
For better arrangement of the outer sheath, it is preferable that the outer sheath comprises a copper foil layer 4, the outer electromagnetic shielding layer 5, the isolation layer, the outer electromagnetic shielding layer 5 and an outer sheath layer 7 which are arranged in sequence from inside to outside. Correspondingly, the isolation layer comprises a wrapping layer 6 and a copper foil layer 4 which are arranged from inside to outside. The wrapping layer 6 is preferably a PET layer, PET is commonly called polyester resin and is a condensation polymer of terephthalic acid and ethylene glycol.
Wherein for better control of the overall diameter, it is preferred here that the outer diameter of the outer electromagnetic shielding layer 5 located on the inside is 1.3 ± 0.01 mm; the outer diameter of the wrapping layer 6 is 1.32 +/-0.01 mm; and wherein the outer diameter of the outer electromagnetic shield 5 located at the outer side is 1.44 + -0.01 mm. And the outer sheath layer 7 is preferably a PFA (a copolymer of a small amount of perfluoropropyl perfluorovinyl ether and polytetrafluoroethylene) sheath layer having an outer diameter of 1.62 + -0.01 mm.
Further, in order to ensure that the arrangement of the internal wire cores is more compact, the internal wire cores preferably include three signal wires 1 with equal cross sections and circular shapes, two control combined wires with equal cross sections and circular shapes, and two power supply wires 3 with equal cross sections and circular shapes, wherein the control combined wires are combined wires formed by two control wires 2. One of the power supply lines 3 is located at a central position, and the other power supply line 3 and the two control combination lines are arranged at intervals with the three signal lines 1 so as to surround the power supply line 3 located at the central position; the three signal wires 1 are placed in a triangular shape, the inner sides of the three signal wires are abutted against the power supply wire 3 positioned at the central position, and the outer sides of the three signal wires are abutted against the outer sleeve layer; the other power supply line 3 and the two control combination lines are abutted against the two adjacent signal lines 1 and the outer jacket layer. That is, if the three signal lines 1 are a first signal line, a second signal line, and a third signal line, the two control combination lines are a first control combination line and a second control combination line, respectively, and the two power supply lines 3 are a first power supply line and a second power supply line, respectively, where the first power supply line is located at a central position, and the second power supply line, the first signal line, the first control combination line, the second signal line, the second control combination line, and the third signal line, which are annular and mutually offset, are sequentially arranged in a circumferential direction outside the first power supply line. The first signal line, the second signal line and the third signal line are all abutted against the first power supply line, and the first signal line, the second signal line, the third signal line, the first control combination line, the second control combination line and the second power supply line are all abutted against the outer sleeve layer.
Certainly can also be following mode of setting up, be provided with middle sinle silk, three cross section size equals and all are circular shape first sinle silk and three cross section size equals and all are circular shape second sinle silk, wherein first sinle silk cross section is greater than second sinle silk cross section, wherein middle sinle silk does the power supply line, middle sinle silk is located central point and puts, and first sinle silk sets up and centers on the middle sinle silk outside with second sinle silk in the same time, and one side that first sinle silk is close to the center offsets with middle sinle silk, and the opposite side offsets with outer jacket layer, and second sinle silk offsets with outer jacket layer, and horizontal both sides offset with the first sinle silk of both sides respectively, and at least one first sinle silk is signal line 1, and at least one second sinle silk is the combination line of two control lines 2 constitutions. Specifically, preferably, three first cores are signal line 1, two second cores are the combined line of two control lines 2 constitution, another second core is the power supply line, and middle sinle silk is the power supply line equally.
Further, in order to better enable the signal conductor 11 to transmit the image signal, the signal conductor 11 is preferably a wire harness composed of a plurality of silver-plated alloy wires, and the impedance of the wire harness is preferably controlled to be 50 ohms, so that the impedance matching requirement of high-speed signal transmission is met. Specifically, the outer diameter of the signal conductor 11 may be between 0.11 mm and 0.13 mm, wherein the signal insulation layer 12 is preferably made of PFA plastic, specifically, the outer diameter of the signal insulation layer 12 is between 0.32 mm and 0.34 mm, and the outer diameter of the signal wire 1 is between 0.45 mm and 0.47 mm. Furthermore, the signal electromagnetic shielding layer 13 can be a tinned soft copper wire clockwise winding layer, and the outer diameter of the signal electromagnetic shielding layer is 0.39 +/-0.01 mm; and the signal outer layer 14 of the signal line 1 is preferably a PFA plastic structure having an outer diameter of 0.46 ± 0.01 mm. That is, the signal line 1 is preferably composed of a signal conductor 11, a signal insulating layer 12, a signal electromagnetic shield layer 13, and a signal outer layer 14, which are provided in this order from the inside to the outside.
Further, as to the power supply line 3 among them, for better conduction of electricity, it is preferable here that the power supply line 3 includes a power supply jacket 31 and a conductive bundle 32 composed of a plurality of silver-plated alloy wires located inside the power supply jacket 31, wherein the conductive bundle 32 has an outer diameter of 0.2 ± 0.01 mm, wherein the power supply jacket 31 is preferably of a PFA plastic structure, wherein the power supply line 3 has an outer diameter of preferably between 0.29 mm and 0.31 mm. Specifically, the power supply line 3 may be composed of a power supply outer layer 31 and a conductive harness 32.
And as to the control wire 2, for better transmission of control signals, it is preferable that the control wire 2 comprises a control outer layer 21, a control insulating layer 22 positioned inside the control outer layer 21, and a control wire bundle 23 composed of a plurality of silver-plated alloy wires positioned inside the control insulating layer 22, and the outer diameter of the strand composed of two said control wires 2 is between 0.37 mm and 0.39 mm. Specifically, the outer diameter of the control harness 23 is 0.09 +/-0.01 mm; the control outer tegument layer 21 is a PFA plastic structure, and the outer diameter of the control outer tegument layer 21 is 0.19 +/-0.01 mm; the two groups of control wires 2 are bound with the outer diameter of 0.38 +/-0.01 mm, and particularly, the control wires 2 are preferably composed of a control outer layer 21, a control insulating layer 22 and a control wiring harness 23.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The endoscope cable is characterized by comprising an outer electromagnetic shielding layer, a signal line, a control line and a power supply line, wherein the signal line, the control line and the power supply line are positioned on the inner side of the outer electromagnetic shielding layer, and the signal line comprises a signal conductor, a signal insulating layer and a signal electromagnetic shielding layer which are sequentially arranged from inside to outside.
2. The endoscope cable of claim 1, comprising two of the outer electromagnetic shielding layers with an isolation layer disposed therebetween.
3. The endoscope cable according to claim 2, comprising a copper foil layer, the outer electromagnetic shielding layer, the isolation layer, the outer electromagnetic shielding layer and an outer sheath layer which are arranged in sequence from inside to outside, wherein the isolation layer comprises a wrapping layer and a copper foil layer which are arranged from inside to outside.
4. The endoscope cable of claim 3, comprising three signal wires of equal cross-section and all round, two control combination wires of equal cross-section and all round, and two power supply wires of equal cross-section and all round, wherein the control combination wires are a combination of two of the control wires; one of the power supply lines is located at the central position, and the other power supply line and the two control combination lines are arranged at intervals with the three signal lines so as to surround the power supply line located at the central position; the three signal wires are arranged in a triangular shape, the inner sides of the three signal wires are abutted against the power supply wire positioned at the central position, and the outer sides of the three signal wires are abutted against the outer sleeve layer; and the other power supply line and the two control combined lines are abutted against the two adjacent signal lines and the outer sleeve layer.
5. The endoscope cable of claim 4, wherein one of the two outer electromagnetic shielding layers is a counter-clockwise winding of a plurality of tin-plated alloy wires and the other is a clockwise winding of a plurality of tin-plated alloy wires.
6. The endoscope cable of any one of claims 1-5, wherein the signal conductor is a bundle of a plurality of silver-plated alloy wires.
7. The endoscope cable of claim 6, wherein the signal electromagnetic shield layer is a tinned soft copper wire clockwise wrap.
8. The endoscope cable of claim 7, wherein the power supply wire comprises a power supply jacket and a bundle of conductive wires of a plurality of silver-plated alloy wires positioned within the power supply jacket, the power supply wire having an outer diameter of between 0.29 mm and 0.31 mm.
9. The endoscope cable of claim 8, wherein the control wires comprise a control sheath, a control insulation layer inside the control sheath, and a control strand of a plurality of silver-plated alloy wires within the control insulation layer, the strand of two control wires having an outer diameter of between 0.37 mm and 0.39 mm.
10. The endoscope cable of claim 9, wherein the signal conductor outer diameter is between 0.11 mm and 0.13 mm, the signal insulation outer diameter is between 0.32 mm and 0.34 mm, and the signal wire outer diameter is between 0.45 mm and 0.47 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120020215.5U CN214152550U (en) | 2021-01-05 | 2021-01-05 | Endoscope cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120020215.5U CN214152550U (en) | 2021-01-05 | 2021-01-05 | Endoscope cable |
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| Publication Number | Publication Date |
|---|---|
| CN214152550U true CN214152550U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120020215.5U Active CN214152550U (en) | 2021-01-05 | 2021-01-05 | Endoscope cable |
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| CN (1) | CN214152550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116825421A (en) * | 2023-03-18 | 2023-09-29 | 三元科技（深圳）有限公司 | Medical image transmission cable with high flexibility and long mechanical life |
-
2021
- 2021-01-05 CN CN202120020215.5U patent/CN214152550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116825421A (en) * | 2023-03-18 | 2023-09-29 | 三元科技（深圳）有限公司 | Medical image transmission cable with high flexibility and long mechanical life |
| CN116825421B (en) * | 2023-03-18 | 2024-05-17 | 三元科技（深圳）有限公司 | Medical image transmission cable with high flexibility and long mechanical life |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220111 Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Patentee after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd. Address before: 401120 1 office buildings, Jinshan International Industrial City, 18 of Nei sang Road, Hui Xing street, Yubei District, Chongqing. Patentee before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd. |
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| TR01 | Transfer of patent right |