CN213124996U

CN213124996U - Endoscope signal cable and endoscope

Info

Publication number: CN213124996U
Application number: CN202022345270.XU
Authority: CN
Inventors: 蒋卓韶
Original assignee: Zhuhai Wantu Medical Technology Co ltd
Current assignee: Zhuhai Wantu Medical Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-05-04
Anticipated expiration: 2030-10-19

Abstract

The utility model provides an endoscope signal cable and endoscope, this endoscope signal cable include the cable main part, and the cable main part is provided with outer tegillum, first conductor weaving layer, ground wire bare conductor and signal conductor, and outer tegillum covers at the surface of first conductor weaving layer, and ground wire bare conductor and signal conductor are located the parcel intracavity of first conductor weaving layer, and ground wire bare conductor touches with the internal perisporium electricity of first conductor weaving layer and meets. The endoscope employs the endoscope signal cable. Use the utility model discloses an endoscope signal cable signal transmission effect when can improving long distance transmission.

Description

Endoscope signal cable and endoscope

Technical Field

The utility model relates to a medical treatment endoscope field and industry endoscope field especially relate to an endoscope signal cable, still relate to the endoscope of using this endoscope signal cable.

Background

The existing endoscope signal cable is a main medium for signal transmission between an operating handle and a host, the cable connection length is generally shorter and thicker, and the purpose is to stabilize the signal transmission of the cable, reduce the distance of the signal transmission and increase the outer diameter of the cable. The existing endoscope handle endoscope signal cable generally has the problem of low signal transmission intensity, the signal has time delay to influence the real-time observation and judgment result of a user, the operation and use of the user are directly influenced, and the endoscope handle endoscope signal cable is particularly used for an endoscope in the medical field. Therefore, it is necessary to solve the problem of poor signal transmission effect in long-distance transmission.

Disclosure of Invention

The utility model discloses a first purpose provides an improve endoscope signal cable of signal transmission effect when long distance transmission.

A second object of the present invention is to provide an endoscope capable of improving the signal transmission effect during long-distance transmission.

In order to realize above-mentioned first purpose, the utility model provides an endoscope signal cable includes the cable main part, and the cable main part is provided with outer tegillum, first conductor weaving layer, ground wire bare conductor and signal conductor, and outer tegillum covers the surface at first conductor weaving layer, and ground wire bare conductor and signal conductor are located the parcel intracavity of first conductor weaving layer, and ground wire bare conductor touches with the internal perisporium electricity of first conductor weaving layer and meets.

According to the above technical scheme, the utility model discloses an endoscope signal cable is through setting up the interior perisporium electricity contact of ground wire bare conductor and first conductor weaving layer and connect, can strengthen the signal shielding effect of first conductor weaving layer for at endoscope signal cable transmission distance longer, also can play stronger shielding effect, reduce signal conductor transmission signal's interference, signal transmission effect when improving endoscope signal cable long distance transmission.

In a further scheme, the signal conductor comprises a first signal conductor, a second signal conductor and a third signal conductor, and the first signal conductor, the second signal conductor and the third signal conductor are all independently arranged in the packaging cavity.

Therefore, the first signal wire, the second signal wire and the third signal wire are all independently arranged in the wrapping cavity, so that the interference among the signal wires can be avoided, and the signal transmission effect is improved.

In a further scheme, the first signal conducting wire is provided with a first signal conductor, a first insulating layer and a second conductor braided layer, the first insulating layer is wrapped on the outer surface of the first signal conductor, and the second conductor braided layer is wrapped on the outer surface of the first insulating layer; the second conductor braid is electrically connected with the first conductor braid.

Therefore, the first signal wire can further shield interference signals and improve the signal transmission strength by arranging the second conductor braid.

In a further scheme, the second signal conducting wire is provided with a second signal conductor, a second insulating layer and a third conductor braided layer, the second insulating layer is wrapped on the outer surface of the second signal conductor, and the third conductor braided layer is wrapped on the outer surface of the second insulating layer; the third conductor braid is electrically connected with the first conductor braid.

Therefore, the second signal wire can further shield interference signals and improve the signal transmission strength by arranging the third conductor braid.

In a further scheme, the cable main body is also provided with a first power supply lead which is positioned in the wrapping cavity; the first power supply conducting wire is provided with a first power supply conductor, a third insulating layer and a fourth conductor braided layer, the third insulating layer wraps the outer surface of the first power supply conductor, and the fourth conductor braided layer wraps the outer surface of the third insulating layer; the fourth conductor braid is electrically connected with the first conductor braid.

Therefore, the power supply conducting wire can be further arranged in the cable main body, the first power supply conducting wire can shield interference signals generated when the first power supply conducting wire supplies power through the fourth conductor braided layer, and interference on the signal conducting wire is reduced.

In a further scheme, a second power supply lead is further arranged on the cable main body and is positioned in the wrapping cavity; the second power supply conducting wire is provided with a second power supply conductor, a fourth insulating layer and a fifth conductor braided layer, the fourth insulating layer wraps the outer surface of the second power supply conductor, and the fifth conductor braided layer wraps the outer surface of the fourth insulating layer; the fifth conductor braid is electrically connected with the first conductor braid.

Therefore, the cable main body can be further provided with a plurality of power supply conducting wires, the second power supply conducting wire can shield interference signals generated when the second power supply conducting wire supplies power through the fifth conductor braided layer, and interference on the signal conducting wire is reduced.

In a further scheme, the cable main body is further provided with a tensile core, and the tensile core is located in the wrapping cavity.

Therefore, the tensile property of the cable can be enhanced by arranging the tensile core on the cable main body, the cable is prevented from being broken due to stretching when in use, and the service life of the communication cable is prolonged.

In a further scheme, the endoscope signal cable further comprises a connecting plug, the connecting plug is arranged at least one end of the cable main body, and the cable main body is welded with the connecting plug.

Therefore, the connecting plug is arranged, so that the endoscope signal cable can be conveniently used, plug and play are achieved, and wiring trouble is reduced.

In a further scheme, a connecting piece is arranged at the welding position of the cable main body and the connecting plug and is integrally connected with the cable main body and the connecting plug through glue.

Therefore, the connecting piece is used for integrally connecting the cable main body and the connecting plug through glue, so that the welding wire position of the connecting plug and the cable head are integrally packaged, and the bending resistance and the tensile resistance of the welding position are enhanced.

In order to achieve the second object, the endoscope provided by the utility model comprises a host, an endoscope signal cable and an operating handle, wherein the host is electrically connected with the operating handle through the endoscope signal cable; the endoscope signal cable is applied to the endoscope signal cable described above.

According to the above technical scheme, the utility model discloses endoscope signal cable of endoscope is through setting up the internal perisporium electricity contact of ground wire bare conductor and first conductor weaving layer and connect, can strengthen the signal shielding effect of first conductor weaving layer for at endoscope signal cable transmission distance longer, also can play stronger shielding effect, reduce signal conductor transmission signal's interference, signal transmission effect when improving endoscope signal cable long distance transmission.

Drawings

Fig. 1 is a block diagram of a hidden connector in an embodiment of an endoscope signal cable according to the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a cross-sectional view of a cable body in an embodiment of an endoscope signal cable of the present invention.

Fig. 4 is a structural view of an embodiment of an endoscope signal cable according to the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Endoscope signal cable embodiment:

as shown in fig. 1 and 2, the endoscope signal cable of the present invention includes a cable main body 1 and a connection plug 2, wherein the connection plug 2 is provided at least one end of the cable main body 1, and the cable main body 1 is welded to the connection plug 2. In this embodiment, both ends of the cable main body 1 are provided with the connection plugs 2.

Referring to fig. 3, the cable main body 1 is provided with an outer layer 11, a first conductor braid 12, a ground bare conductor 13 and a signal conductor, the outer layer 12 covers the outer surface of the first conductor braid 12, the ground bare conductor 13 and the signal conductor are located in a wrapping cavity 121 of the first conductor braid 12, and the ground bare conductor 13 is in electrical contact with the inner peripheral wall of the first conductor braid 12. In this embodiment, the first conductor braid 12 is a tubular structure braided by a plurality of silver-plated alloy wires. The ground wire bare conductor 13 is a wiring harness consisting of a plurality of silver-plated alloy wires, and the outer diameter of the wiring harness is 1.3 +/-0.05 mm.

The number and type of signal conductors can be set according to the needs, in this embodiment, the signal conductors include a first signal conductor 14, a second signal conductor 15 and a third signal conductor 16, and the first signal conductor 14, the second signal conductor 15 and the third signal conductor 16 are all independently set in the package cavity 121.

First signal conductor 14 is provided with first signal conductor 141, first insulating layer 142, second conductor braided layer 143 and first wrapping layer 144, and first insulating layer 142 wraps up the surface at first signal conductor 141, and second conductor braided layer 143 wraps up the surface at first insulating layer 142, and first wrapping layer 144 wraps up the surface at second conductor braided layer 143. Second conductor braid 143 is electrically connected to first conductor braid 12. The first signal conductor 141 is a wire harness composed of a plurality of silver-plated alloy wires, and the outer diameter is 0.24 ± 0.05 mm. The first insulating layer 142 is made of a known insulating material and has an outer diameter of 1 ± 0.05 mm. Second conductor braided layer 143 is the tubular structure of many silver-plated alloy silks weaving, and its external diameter is 1.15 ± 0.05 mm. The first wrapping layer 144 is made of a known insulating material and has an outer diameter of 1.4 ± 0.05 mm.

Second signal wire 15 is provided with second signal conductor 151, second insulating layer 152, third conductor braid 153 and second cladding 154, and second insulating layer 152 wraps up at the surface of second signal conductor 151, and third conductor braid 153 wraps up at the surface of second insulating layer 152, and second cladding 154 wraps up at the surface of third conductor braid 153. Third conductor braid 153 is electrically connected to first conductor braid 12. The second signal conductor 151 is a wire harness composed of a plurality of silver-plated alloy wires, and the outer diameter is 0.24 ± 0.05 mm. The second insulating layer 152 is made of a known insulating material and has an outer diameter of 0.71 + -0.05 mm. The third conductor braid 153 is a tubular structure woven by a plurality of silver-plated alloy wires, and the outer diameter thereof is 0.81 ± 0.05 mm. The second wrapping layer 154 is made of a known insulating material and has an outer diameter of 1.1 + -0.05 mm.

The third signal wire 16 includes a third signal conductor 161 and a third wrapping layer 162, and the third wrapping layer 162 wraps around an outer surface of the third signal conductor 161. The third signal conductor 161 is a wire harness composed of a plurality of silver-plated alloy wires, and the outer diameter is 0.24 +/-0.05 mm. The third wrapping layer 162 is made of a known insulating material and has an outer diameter of 0.6 mm plus or minus 0.05 mm. In this embodiment, the number of the third signal conductors 16 is five.

The cable body 1 is further provided with a first power supply conductor 17 and a second power supply conductor 18, both the first power supply conductor 17 and the second power supply conductor 18 being located within the package cavity 121.

First power supply wire 17 is provided with first power supply conductor 171, third insulating layer 172, fourth conductor braid 173 and fourth parcel layer 174, and third insulating layer 172 wraps up in the surface of first power supply conductor 171, and fourth conductor braid 173 wraps up in the surface of third insulating layer 172, and fourth parcel layer 174 wraps up in the surface of fourth conductor braid 173. Fourth conductor braid 173 is electrically connected to first conductor braid 12. The first current-supply conductor 171 is a wire harness made of a plurality of silver-plated alloy wires, and has an outer diameter of 0.24 ± 0.05 mm. The third insulating layer 172 is made of a known insulating material and has an outer diameter of 1 ± 0.05 mm. The fourth conductor braid 173 is a tubular structure woven by a plurality of silver-plated alloy wires, and the outer diameter thereof is 1.15 ± 0.05 mm. Fourth encapsulant 174 is formed of a known insulating material and has an outer diameter of 1.4 mm 0.05 mm.

Second power supply conductor 18 is provided with second power supply conductor 181, fourth insulating layer 182, fifth conductor braid 183 and fifth parcel 184, and fourth insulating layer 182 is wrapped up in the surface of second power supply conductor 181, and fifth conductor braid 183 wraps up in the surface of fourth insulating layer 182, and fifth parcel 184 wraps up in the surface of fifth conductor braid 183. The fifth conductor braid 183 is electrically connected to the first conductor braid 12. The second power supply conductor 181 is a wire harness made of a plurality of silver-plated alloy wires, and the outer diameter is 0.24 ± 0.05 mm. The fourth insulating layer 182 is made of a known insulating material and has an outer diameter of 0.71 ± 0.05 mm. The fifth conductor braid 183 is a tubular structure braided by a plurality of silver-plated alloy wires, and the outer diameter thereof is 0.81 ± 0.05 mm. The fifth casing 184 is made of a known insulating material and has an outer diameter of 1.1 + -0.05 mm.

The cable body 1 is further provided with a tensile core 19, the tensile core 19 being located within the package chamber 121. The tensile core 19 is made of a known tensile material for signal cables. The number of the tensile cores 19 may be set as desired, and in this embodiment, the number of the tensile cores 19 is five. The cable main part is through setting up tensile core 19, can strengthen the tensile resistance of cable, prevents that the cable from leading to the wire fracture because the extension when using, improves communication cable's life.

Referring to fig. 4, a connecting piece 4 is arranged at a welding position 3 between the cable main body 1 and the connecting plug 2, and the connecting piece 4 is integrally connected with the cable main body 1 and the connecting plug 2 through glue. The connecting piece 4 wraps the periphery of the welding part 3, glue is filled in the inner cavity of the connecting piece 4, the glue wraps the welding part 3 of the cable main body 1 and the connecting plug 2, and the cable main body 1 and the connecting plug 2 are integrally packaged through the connecting piece 4. The arrangement of the connecting piece 4 can enhance the bending resistance and the tensile resistance of the welding part 3.

Endoscope embodiment:

in this embodiment, the endoscope includes a host computer, an endoscope signal cable and an operating handle, and the host computer is electrically connected with the operating handle through the endoscope signal cable. The endoscope signal cable is applied to the endoscope signal cable described above. The main machine provides power supply and signal interaction for the operating handle through the endoscope signal cable.

According to the above, the utility model discloses endoscope signal cable is through the internal perisporium electricity contact who sets up ground wire bare conductor and first conductor weaving layer, can strengthen the signal shielding effect of first conductor weaving layer for when endoscope signal cable transmission distance is longer, also can play stronger shielding effect, reduce signal conductor transmission signal's interference, signal transmission effect when improving endoscope signal cable long distance transmission.

It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.

Claims

1. An endoscope signal cable comprising a cable body, characterized in that: the cable main body is provided with an outer tegument layer, a first conductor weaving layer, a ground wire bare conductor and a signal conductor, the outer tegument layer covers the outer surface of the first conductor weaving layer, the ground wire bare conductor and the signal conductor are located in a wrapping cavity of the first conductor weaving layer, and the ground wire bare conductor is in electrical contact with the inner peripheral wall of the first conductor weaving layer.

2. The endoscopic signal cable of claim 1, wherein:

the signal conductor comprises a first signal conductor, a second signal conductor and a third signal conductor, and the first signal conductor, the second signal conductor and the third signal conductor are all independently arranged in the packaging cavity.

3. The endoscopic signal cable of claim 2, wherein:

the first signal conducting wire is provided with a first signal conductor, a first insulating layer and a second conductor braided layer, the first insulating layer wraps the outer surface of the first signal conductor, and the second conductor braided layer wraps the outer surface of the first insulating layer;

the second conductor braid is electrically connected with the first conductor braid.

4. The endoscopic signal cable of claim 2, wherein:

the second signal conducting wire is provided with a second signal conductor, a second insulating layer and a third conductor woven layer, the second insulating layer wraps the outer surface of the second signal conductor, and the third conductor woven layer wraps the outer surface of the second insulating layer;

the third conductor braid is electrically connected with the first conductor braid.

5. The endoscopic signal cable of claim 1, wherein:

the cable main body is also provided with a first power supply lead which is positioned in the wrapping cavity;

the first power supply conducting wire is provided with a first power supply conductor, a third insulating layer and a fourth conductor braided layer, the third insulating layer wraps the outer surface of the first power supply conductor, and the fourth conductor braided layer wraps the outer surface of the third insulating layer;

the fourth conductor braid is electrically connected with the first conductor braid.

6. The endoscopic signal cable of claim 5, wherein:

the cable main body is also provided with a second power supply lead which is positioned in the wrapping cavity;

the second power supply conducting wire is provided with a second power supply conductor, a fourth insulating layer and a fifth conductor braided layer, the fourth insulating layer wraps the outer surface of the second power supply conductor, and the fifth conductor braided layer wraps the outer surface of the fourth insulating layer;

the fifth conductor braid is electrically connected with the first conductor braid.

7. An endoscope signal cable according to any one of claims 1 to 6, characterized by:

the cable main part still is provided with tensile core, tensile core is located the parcel intracavity.

8. The endoscopic signal cable of claim 7, wherein:

the endoscope signal cable further comprises a connecting plug, at least one end of the cable main body is provided with the connecting plug, and the cable main body is welded with the connecting plug.

9. The endoscopic signal cable of claim 8, wherein:

the cable main part with connecting plug's welding department is provided with the connecting piece, the connecting piece passes through glue integration and connects the cable main part with connecting plug.

10. An endoscope comprises a host, an endoscope signal cable and an operating handle, wherein the host is electrically connected with the operating handle through the endoscope signal cable; the method is characterized in that: the endoscope signal cable to which the endoscope signal cable of any one of claims 1 to 9 is applied.